Seat system for a vehicle interior

The seat system uses a motor, spring, and gear mechanism to provide net torque for smooth movement and precise positioning of the seat back, addressing the lack of efficient mechanisms in existing systems.

WO2026076315A1PCT designated stage Publication Date: 2026-04-09YANFENG INTERNATIONAL AUTOMOTIVE TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-10-03
Publication Date
2026-04-09

AI Technical Summary

Technical Problem

Existing seat systems for vehicle interiors lack an efficient mechanism to move the seat back relative to the seat base, providing net torque for smooth and controlled movement between fully-reclined and fully-lowered positions.

Method used

A seat system incorporating a motor and spring mechanism, along with a pivot connection and gear system, to provide net torque for moving the seat back relative to the seat base, guided by a gear mechanism that retains the desired position.

Benefits of technology

Enables smooth and controlled movement of the seat back between positions, utilizing a combination of motor, spring, and gravity forces to achieve precise positioning and retention, enhancing user comfort and functionality.

✦ Generated by Eureka AI based on patent content.

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Abstract

A seat system for a vehicle interior is disclosed. The seat system comprises a seat base and seat back movable at a pivot connection and a seat actuation system configured to move the seat back over a range of motion between a fully-reclined position and fully-lowered position; the seat actuation system comprises a motor and spring mechanism configured to provide net torque to the seat back including static torque / force of gravity. Net torque comprises static torque and torque supplied by the motor to lift the seat back and the spring mechanism to lift the seat back; net torque comprises static torque and torque supplied by the motor to lower the seat back and the spring mechanism to lift the seat back. The seat actuation system may comprise a gear mechanism / system configured to guide / retain the position of the seat back; the gear system may comprise a gear set and slot / pin.
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Description

FIP 24048-PCT-US-02PATENT APPLICATIONSEAT SYSTEM FOR A VEHICLE INTERIORCROSS-REFERENCE TO RELATED APPLICATIONS

[0001] The present application claims priority to and incorporates by reference in full U.S. Provisional Patent Application No. 63 / 702,908 titled “COMPONENT FOR VEHICLE INTERIOR” filed October 3, 2024.FIELD

[0002] The present invention relates to a seat system for a vehicle interior.

[0003] The present invention also relates to seat system for a vehicle interior comprising a seat actuation system.BACKGROUND

[0004] It is known to provide seat system for a vehicle interior comprising a seat base and a seat back relative to the seat base.

[0005] It would be advantageous to provide an improved seat system comprising a seat base and a seat back movable relative to the seat base.

[0006] It would be advantageous to provide a seat system comprising a seat actuation system configured to provide net torque to move the seat back relative to the seat base.

[0007] It would be advantageous to provide a seat system comprising a seat actuation system comprising a motor and a spring mechanism configured to provide net torque to move the seat back relative to the seat base.

[0008] It would be advantageous to provide a seat system comprising a seat actuation system comprising a motor and a gear mechanism and a spring mechanism configured to provide net torque to move and to guide / retain position of the seat back relative to the seat base.

[0009] It would be advantageous to provide a seat system comprising seat back providing a component and a seat actuation system configured to provide net torque to move the seat back relative to the seat base.FIP 24048-PCT-US-02SUMMARY

[0010] The present invention relates to a seat system comprising a seat base, a seat back movable relative to the seat base over a range of motion between a fully-reclined position and a fully-lowered position and a seat actuation system configured to move the seat back between the fully-reclined position and the fully-lowered position; the seat actuation system may comprise a motor and a spring mechanism; the seat actuation system may be configured to provide a net torque to the seat back. The seat system may further comprise a pivot connection between the seat back and the seat base; the seat actuation system may comprise the pivot connection; the seat actuation system may comprise a shaft providing the pivot connection; the seat actuation system may comprise an axle providing the pivot connection; the seat actuation system may comprise a gear system; the seat actuation system may comprise a gear system comprising a gear mechanism; the range of motion may comprise a center position; the seat back may be generally horizontally aligned with the pivot connection; the range of motion may comprise a center position; a center of mass of the seat back may be generally horizontally aligned with the pivot connection; the range of motion may comprise a range of movement; the seat actuation system may be configured to provide a net torque for movement of the seat back over the range of motion; the seat actuation system may be configured to apply torque to the seat back; the seat actuation system may be configured to apply torque to the seat back over the range of motion of the seat back; torque may comprise net torque applied to the seat back; net torque may comprise torque supplied by the motor; net torque may comprise torque supplied by the motor and the spring mechanism; net torque may comprise torque supplied by the motor and the spring mechanism and by gravity acting upon the seat back; net torque may comprise torque supplied by the motor and the spring mechanism and by gravity acting at a center of mass of the seat back; net torque may comprise torque supplied by the motor and the spring mechanism and by a force of gravity acting at a center of mass of the seat back; net torque may comprise torque supplied by the motor to lift the seat back and the spring mechanism and by gravity acting at a center of mass of the seat back; net torque may comprise torque supplied by the motor to lift the seat back and the spring mechanism to lift the seat back and by gravity acting at a center of mass to lower the seat back; net torque may comprise torque supplied by the motor to lower the seat back and the spring mechanism and by gravity acting at a center of mass of the seat back; net torque may comprise torque supplied by the motor to lower the seat back and the spring mechanism to lift the seat back and by gravity acting at a center of mass to lower the seat back; net torque may comprise torque supplied by^gbrSdib^fo slow movement of the seat back and the spring mechanism to lift the seat back and by gravity acting at a center of mass to lower theFIP 24048-PCT-US-02 seat back. The seat actuation system may comprise a motor-operated system; the motor- operated system may comprise a motor-operated mechanism. The seat actuation system may comprise a seat mechanism. The seat actuation system may comprise a motor-operated system comprising the motor and a gear system and the spring mechanism; the motor-operated system may be configured to provide the pivot connection for movement of the seat back relative to the seat base; the motor-operated system may comprise an axle configured to provide the pivot connection for movement of the seat back relative to the seat base. The seat system may further comprise a seat assembly comprising the seat base and the seat back; the seat system may further comprise a seat assembly comprising the seat base and the seat back with a headrest. The fully-reclined position may comprise a default position; the fully-reclined position may comprise a return position; the fully-reclined position may comprise a stowed position; the fully-reclined position may comprise a fully-raised position. The seat actuation system may comprise at least one of a seat mechanism and / or a motor-operated system and / or a motor- operated mechanism and / or a motor-driven mechanism and / or an actuation mechanism and / or a seat back adjustment mechanism and / or a pivot mechanism. The seat actuation system may comprise a power supply. The seat actuation system may comprise a control system; the seat actuation system may comprise a control system to control the motor; the seat actuation system may comprise a control system to control the motor using pulse-width modulation; the seat actuation system may comprise a control panel; the seat actuation system may comprise an operator control; the seat actuation system may comprise a user interface comprising an operator control; the seat actuation system may comprise a motor assembly comprising the motor. The seat actuation system may comprise a gear system; the gear system may comprise a gear mechanism; the gear mechanism may comprise a drive gear; the gear mechanism may comprise a drive gear and a driven gear; the gear mechanism may comprise a first gear and a second gear; the gear mechanism may comprise a track; the gear mechanism may comprise a gear track; the gear mechanism may comprise a track comprising a slot; the gear mechanism may comprise a slot; the slot may comprise a curved slot; the gear mechanism may comprise a curved slot providing a track for a pin; the gear mechanism may comprise a stop; the gear mechanism may comprise an end stop; the gear mechanism may comprise an end stop for a gear; the gear system may be configured to lock the position of the seat back relative to the seat base; the gear system may be configured to hold the position of the seat back relative to the seat base; the gear system may be configured to retain the position of the seat back relative to the seat base; the gear system may be configureHag^r^ttfr^ftie position using friction; the gear system may be configured to guide the movement of the seat back relative to the seat base. TheFIP 24048-PCT-US-02 spring mechanism may comprise a spring; the spring mechanism may comprise a torsion spring; the spring mechanism may be configured to unwind the spring in the range of motion of the seat back; the spring mechanism may be configured to wind the spring in the range of motion of the seat back; the spring mechanism may comprise a pre-load spring force; the spring mechanism may be configured to provide torque for the seat actuation system. The seat actuation system may comprise a shaft; the seat actuation system may comprise an axle; the shaft may comprise the axle; the shaft may comprise a motor-driven shaft; the shaft may comprise an axle in alignment with the pivot connection for the seat back. The seat actuation system may comprise a motor assembly comprising the motor. The motor may comprise an electric motor. The seat back may comprise an adjustable headrest; the seat back may comprise an adjustable center of mass. The motor-operated system may comprise a motor-operated mechanism; the motor-operated system may comprise a motor-driven mechanism; the motor- operated system may comprise an axle; the axle may be configured to provide the pivot connection for movement of the seat back relative to the seat base; the motor-operated system may comprise an axle at the pivot connection. The motor-operated system may comprise the motor assembly and a gear mechanism; the motor assembly may comprise a base plate and the motor; the motor assembly may comprise a motor shaft; the motor-operated system may comprise the motor assembly comprising the motor. The motor-operated system may be configured to operate a gear system comprising a gear mechanism; the motor-operated system may comprise an axle at the pivot connection between the motor of the motor assembly and the gear system of the gear mechanism; the motor-operated system may comprise an axle between the motor assembly and the gear mechanism; the axle may be configured to provide a pivot point for movement of the seat back relative to the seat base; the motor-operated system may comprise an axle at the pivot connection between the motor of the motor assembly and the gear system of the gear mechanism; the gear mechanism may comprise the spring mechanism and the gear system; the motor-operated system may be configured to move the seat back relative to the seat base in the range of motion between the fully-reclined position and the fully-lowered position; the motor-operated system may be configured to move the seat back relative to the seat base at the pivot connection in the range of motion between the fully-reclined position and the fully-lowered position; the motor-operated system may comprise a shaft at the pivot connection; the motor-operated system may comprise a motor-operated shaft at the pivot connection; the motor-operated system may comprise an axle at the pivot connection; the motor-operated system may comprise an axfeMjpbHlSd^by the motor. The motor-operated system may be configured to move the seat back relative to the seat base at the pivot point inFIP 24048-PCT-US-02 the range of motion between the fully-reclined position and the fully-lowered position; the motor-operated system may comprise an axle at the pivot point. The motor-operated system may comprise the motor coupled to a gear mechanism by a shaft; the shaft may comprise an axle at the pivot connection between the motor of the motor assembly and the gear mechanism of the gear system. The gear mechanism may comprise the spring mechanism and the gear system. The seat back may comprise a center of mass. The range of motion for the seat back may comprise a center position the center of mass of the seat back may be generally horizontally aligned with the pivot connection; the range of motion for the seat back may comprise the fully-lowered position the seat back may be retained by a retaining mechanism; the range of motion for the seat back may comprise the fully-lowered position the seat back may be retained by a retaining mechanism; the range of motion for the seat back may comprise the fully-lowered position; movement of the seat back from the fully-lowered position may comprise separating the seat back from the retaining mechanism; the range of motion for the seat back may comprise the fully-lowered position; movement of the seat back from the fully- lowered position may comprise detaching the seat back from the retaining mechanism. The motor may be configured to provide torque to move the seat back; the motor may be configured to provide torque to lift the seat back; the motor may be configured to provide torque to lower the seat back; the motor may be configured to provide torque to brake movement of the seat back; the motor may be configured to provide torque to slow movement of the seat back. The spring mechanism may be configured to provide torque to move the seat back; the spring mechanism may be configured to provide torque to lift the seat back; the spring mechanism may be configured to provide torque to lower the seat back; the spring mechanism may be configured to provide torque to brake movement of the seat back; the spring mechanism may be configured to provide torque to slow movement of the seat back; the spring mechanism may comprise a spring configured to assist movement of the seat back from the fully-lowered position toward a center position; the spring mechanism may comprise a spring configured to provide a torque to assist movement of the seat back from the fully-lowered position toward a center position; the spring mechanism may comprise a spring configured to provide a torque to assist movement of the seat back from a center position toward the fully-reclined position; the spring mechanism may comprise a spring configured to provide a torque to resist movement of the seat back from the fully-reclined position toward a center position; the spring mechanism may comprise a spring configured to provide a torque to resist movement of the seat back from a center position toward the fully-lowered pB&Sfofipfli^spring mechanism may comprise a torsion spring configured to provide a torque to assist movement of the seat back toward theFIP 24048-PCT-US-02 fully-reclined position; the spring mechanism may comprise a torsion spring configured to provide a torque to resist movement of the seat back toward the fully-lowered position. The gear system may comprise a gear mechanism configured to guide movement of the seat back; the gear mechanism may comprise a base plate; the base plate may comprise a gear plate; the gear mechanism may comprise a gear; the gear may comprise a plate gear; the gear mechanism may comprise a set of gears; the gear mechanism may comprise a gear stop; the gear stop may comprise a post; the base plate may comprise a bushing for the shaft; the shaft may be coupled to a drive gear of the gear mechanism; the drive gear may be coupled to a driven gear. The spring mechanism may be provided on the base plate of the gear mechanism; the spring mechanism may be operated at the gear mechanism; the spring mechanism may be operated at the base plate; the spring mechanism may be coupled to the base plate; the spring mechanism may be operated at the driven gear on the base plate. The gear system may comprise a gear mechanism comprising a gear configured to guide movement of the seat back; the gear system may comprise a gear mechanism comprising a set of gears configured to guide movement of the seat back; the gear system may comprise a gear mechanism comprising a drive gear and a driven gear configured to guide movement of the seat back; the gear mechanism may comprise a pin configured to guide movement of the seat back; the gear mechanism may comprise a slot configured to guide movement of the seat back; the gear mechanism may comprise a pin movable in a slot configured to guide movement of the seat back; the gear system may comprise a gear mechanism comprising a stop configured to stop movement of the seat back; the gear system may comprise a gear mechanism comprising a stop configured to stop movement of the seat back at the fully-lowered position; the gear system may comprise a gear mechanism comprising a stop configured to stop movement of the seat back at the full -reclined position; the gear mechanism may be configured to constrain the movement of the seat back; the gear system may be configured to constrain the movement of the seat back; the gear system may be configured to retain the position of the seat back; the gear system may be configured to guide the position of the seat back; the gear system may comprise a gear configured to guide the position of the seat back; the gear system may comprise a drive gear and a driven gear configured to guide the position of the seat back; the gear system may comprise a drive gear coupled to the motor configured to guide the position of the seat back; the gear system may comprise a drive gear coupled to the motor by the shaft configured to guide the position of the seat back; the gear system may comprise a drive gear coupled to the motor configured to guide the position of the seat back and a driven ge0hg©i^p (ffo the drive gear; the gear system may comprise a drive gear coupled to the motor configured to guide the position of the seat back andFIP 24048-PCT-US-02 a driven gear configured to retain the position of the seat back. The motor may be configured to lift the seat back from the fully-lowered position toward a center position; the spring mechanism may be configured to assist the motor to lift the seat back from the fully-lowered position toward a center position; the motor may be configured to move the seat back from the center position toward the fully-reclined position; the spring mechanism may be configured to oppose the motor to move the seat back from the center position toward the fully-reclined position; the motor may be configured to move the seat back from the center position toward the fully-lowered position; the spring mechanism may be configured to oppose the motor to move the seat back from the center position toward the fully-lowered position. The range of motion for the seat back may comprise the fully-lowered position and a center position and the fully-reclined position; the seat back may comprise a center of mass; the seat mechanism may be configured so that force of gravity provides a torque applied at the center of mass to move the seat back from the center position toward the fully-lowered position; the seat mechanism may be configured so that force of gravity provides a torque applied to move the seat back from the center position toward the fully-lowered position; the seat mechanism may be configured so that force of gravity provides a torque applied to move the seat back from the center position toward the fully-reclined position. Movement of the seat back from the fully-lowered position may comprise torque applied by the motor to move the seat back to the center position; movement of the seat back from the fully-lowered position may comprise torque applied by the motor to separate the seat back from the retaining mechanism; movement of the seat back from the fully-lowered position may comprise torque applied by the motor to lift the seat back; movement of the seat back from the fully-lowered position may comprise torque applied by the motor to lift the seat back toward a center position; movement of the seat back from the fully- lowered position may comprise torque applied by the motor to lift the seat back; movement of the seat back from the fully-lowered position may comprise torque applied by the motor to lift the seat back and torque applied by the spring mechanism to lift the seat back. Movement of the seat back from the fully-reclined position may comprise torque applied by the motor to move the seat back to the center position; movement of the seat back from the fully-reclined position may comprise torque applied by the motor to lift the seat back; movement of the seat back from the fully-reclined position may comprise torque applied by the motor to lift the seat back toward a center position; movement of the seat back from the fully-reclined position may comprise torque applied by the motor to lower the seat back; movement of the seat back from the fully-reclined position may comprise to^^a^i^ by the motor to lower the seat back and torque applied by the spring mechanism to lift the seat back. The seat assembly may compriseFIP 24048-PCT-US-02 a component for a vehicle interior; the component may comprise an armrest; the component may comprise a compartment; the component may comprise a tray / surface; the component may comprise a seat; the component may comprise a center seat. The gear mechanism may comprise a gear configured to guide movement of the seat back; The gear may comprise gear teeth in a region providing for movement in the range of motion and a feature at an end of the region configured to stop movement at an end of the range of motion; the feature may comprise a stop; the feature may comprise a locking region; the feature may comprise a non-toothed section; the feature may comprise a flattened section; the feature may comprise a flattened section adjacent to a curved region; the feature may comprise a locking region configured to prevent further movement and / or a retaining area; the gear mechanism may comprise a gear plate; the gear plate may comprise in which the gear teeth are replaced by a flattened or nontoothed section; the locking region may be configured to engage a corresponding blocking feature or region to prevent further movement of the seat back at a predetermined angular position; the gear plate may comprise at least one blocking area formed by an interruption or modification of the gear teeth at an end of its rotational range such that when the seat back or armrest reaches a selected angle, the blocking area abuts against a stop or locking portion of a meshing component, thereby mechanically preventing further rotation; the profile of the gear mechanism may be configured such that a flattened section, locking curve, or similarly modified geometry at the periphery of the gear interacts with a complementary locking area of an adjacent gear or plate to hold the seat back or armrest securely at a designated blocking position.

[0011] The present invention relates to component configured for a seat of a vehicle comprising a seat base, a backrest connected to the seat base and a pivot connection between the seat base and the backrest; the pivot connection may comprise a mechanism; the pivot connection may comprise an electric motor operatively connected to the mechanism and the pivot connection may be configured to provide a centric folding mechanism; the mechanism may be configured to pivot the backrest from a first position, serving as a backrest to a second position serving as an armrest; the backrest may comprise a functional carrier, a functional insert and a substrate, at least one of the functional carrier and the substrate may comprise a cushioning material for enhanced comfort in at least one of the backrest and / or armrest position; the pivot movement may be configured to fold up / down the backrest without eccentricity; the mechanism may comprise a base plate coupled to the seat base and a side plate coupled to the backrest; the mechanism may comprise motor interface cBti| e& £ Sfe motor; the mechanism may comprise a first and a second gear plate, each gear plates may comprise a locking area and teeth with aFIP 24048-PCT-US-02 locking curve; the motorized centric folding mechanism may comprise a locking mechanism to secure the backrest in a reclined position and secure the armrest in an armrest position; the locking mechanism may be automatically engaged when the armrest reaches the recliner position; the locking area of the first gear plate may be configured to engage with the locking area of the second gear plate, the engagement may comprise a frictional locking connection; the side plate may comprise an end-stop.

[0012] The present invention relates to a component configured for a seat of a vehicle comprising a seat base, a backrest connected to the seat base, and a pivot connection between the seat base and the backrest; the pivot connection may comprise a mechanism; the pivot connection may comprise an electric motor operatively connected to the mechanism; the pivot connection may be configured to provide a centric folding mechanism composite; the mechanism may be configured to pivot the backrest from a first position, serving as a backrest to a second position serving as an armrest; the backrest may comprise a functional carrier, a functional insert, and a substrate; at least the functional carrier or the substrate may comprise a cushioning material for enhanced comfort of the backrest and / or armrest; the pivot movement may be configured to fold up / down the backrest without eccentricity; the mechanism may comprise a base plate coupled to the seat base and a side plate coupled to the backrest; the mechanism may comprise motor interface coupled to the motor; the mechanism may comprise a first and a second gear plate, wherein each gear plates may comprise a locking area and teeth with a locking curve; the motorized centric folding mechanism may comprise a locking mechanism to secure the backrest in a reclined position and secure the armrest in an armrest position; the locking mechanism is automatically engaged when the armrest reaches the recliner position; the locking area of the first gear plate may be configured to engage with the locking area of the second gear plate; the engagement may comprise a frictional locking connection; the side plate may comprise an endstop.FIP 24048-PCT-US-02FIGURES

[0013] FIGURES 1 A and IB are schematic perspective views of a vehicle according to an exemplary embodiment.

[0014] FIGURES 2A through 2C are schematic perspective views of a seat for a vehicle interior according to an exemplary embodiment.

[0015] FIGURES 3 A through 3D are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.

[0016] FIGURES 4A through 4C are schematic perspective views of a seat for a vehicle interior according to an exemplary embodiment.

[0017] FIGURES 5A through 5D are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.

[0018] FIGURE 6 is a schematic block diagram of a seat system for a vehicle interior according to an exemplary embodiment.

[0019] FIGURES 6A through 6D are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.

[0020] FIGURE 7 is a schematic plan view of a seat system for a vehicle interior according to an exemplary embodiment.

[0021] FIGURES 7A through 7D are schematic plan views of a seat system for a vehicle interior according to an exemplary embodiment.

[0022] FIGURE 8 is a schematic perspective view of a seat system for a vehicle interior according to an exemplary embodiment.

[0023] FIGURE 8A is a schematic perspective view of a seat system for a vehicle interior according to an exemplary embodiment.

[0024] FIGURES 8B and 8C are schematic exploded perspective views of a mechanism of a seat system for a vehicle interior according to an exemplary embodiment.

[0025] FIGURES 9A and 9B are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.

[0026] FIGURES 9C and 9D are schematic detail views of a mechanism of a seat system for a vehicle interior according to an exemplary embodiment.

[0027] FIGURES 10A and 10B are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.FIP 24048-PCT-US-02

[0028] FIGURES 10C and 10D are schematic detail views of a mechanism of a seat system for a vehicle interior according to an exemplary embodiment.

[0029] FIGURE 11 is a schematic perspective view of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0030] FIGURES 11 A and 1 IB are schematic detail views of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0031] FIGURE 11C is a schematic exploded view of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0032] FIGURE 1 ID is a schematic perspective view of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0033] FIGURE 12A is a schematic perspective view of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0034] FIGURES 12B through 12D are schematic detail views of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0035] FIGURE 12E is a schematic perspective view of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0036] FIGURE 12F is a schematic exploded view of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0037] FIGURES 13A through 13C are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.

[0038] FIGURES 14A through 14C are schematic detail views of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0039] FIGURES 15A through 15C are schematic detail views of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0040] FIGURES 16A and 16B are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.

[0041] FIGURES 17A and 17B are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.

[0042] FIGURE 18A is schematic perspective view of a seat system for a vehicle interior according to an exemplary embodiment.

[0043] FIGURE 18B is schematic exploded view of a seat system for a vehicle interior according to an exemplary embodiment.FIP 24048-PCT-US-02

[0044] FIGURES 19A and 19B are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.

[0045] FIGURES 20A and 20B are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.

[0046] FIGURE 21 A is schematic perspective view of a seat system for a vehicle interior according to an exemplary embodiment.

[0047] FIGURE 2 IB is schematic exploded view of a seat system for a vehicle interior according to an exemplary embodiment.

[0048] FIGURE 22A is schematic plan view of a seat system for a vehicle interior according to an exemplary embodiment.

[0049] FIGURES 22B and 22C are schematic section views of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0050] FIGURE 23 A is schematic plan view of a seat system for a vehicle interior according to an exemplary embodiment.

[0051] FIGURES 23B and 23C are schematic section views of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0052] FIGURE 24A is schematic plan view of a seat system for a vehicle interior according to an exemplary embodiment.

[0053] FIGURES 24B and 24C are schematic section views of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0054] FIGURES 25A through 25D are schematic section views of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0055] FIGURE 26 is a legend of a torque diagram of an operating seat system for a vehicle interior according to an exemplary embodiment.

[0056] FIGURE 27 is a schematic plan view of a seat system for a vehicle interior according to an exemplary embodiment.

[0057] FIGURE 28 is a schematic torque diagram of an operating seat system for a vehicle interior according to an exemplary embodiment.

[0058] FIGURE 29 is a schematic torque diagram of an operating seat system for a vehicle interior according to an exemplary embodiment.

[0059] FIGURE 30 is a schematic plan view of a seat system for a vehicle interior according to an exemplary embodiment.FIP 24048-PCT-US-02

[0060] FIGURES 30A through 30D are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.

[0061] FIGURE 31 is a schematic plan view of a seat system for a vehicle interior according to an exemplary embodiment.

[0062] FIGURES 31 A through 3 ID are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.

[0063] FIGURE 32 is a legend of a torque diagram of an operating seat system for a vehicle interior according to an exemplary embodiment.

[0064] FIGURE 33 is a schematic plan view of a seat system for a vehicle interior according to an exemplary embodiment.

[0065] FIGURE 34 is a schematic torque diagram of an operating seat system for a vehicle interior according to an exemplary embodiment.

[0066] FIGURE 35 is a schematic torque diagram of an operating seat system for a vehicle interior according to an exemplary embodiment.

[0067] FIGURE 36 is a schematic torque diagram of an operating seat system for a vehicle interior according to an exemplary embodiment.

[0068] FIGURE 37 is a schematic torque diagram of an operating seat system for a vehicle interior according to an exemplary embodiment.

[0069] FIGURE 38 is a schematic torque diagram of an operating seat system for a vehicle interior according to an exemplary embodiment.

[0070] FIGURE 39 is a schematic torque diagram of an operating seat system for a vehicle interior according to an exemplary embodiment.

[0071] FIGURE 40 is a legend of a torque diagram of an operating seat system for a vehicle interior according to an exemplary embodiment.

[0072] FIGURE 41A is a schematic perspective view of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0073] FIGURE 4 IB is a schematic exploded view of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0074] FIGURE 42 is a schematic perspective view of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0075] FIGURES 43A through 43C are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.FIP 24048-PCT-US-02

[0076] FIGURES 44A through 44C are schematic perspective views of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0077] FIGURES 45A through 45C are schematic perspective views of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0078] FIGURES 46A through 46C are schematic section views of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.

[0079] FIGURES 47A through 47C are schematic perspective views of a seat system for a vehicle interior according to an exemplary embodiment.

[0080] FIGURES 48A through 48C are schematic perspective views of a seat system shown as a mechanism of a seat for a vehicle interior according to an exemplary embodiment.FIP 24048-PCT-US-02DESCRIPTION

[0081] Referring to FIGURES 1 A-1B a vehicle V is shown with an interior VI comprising components and a seat assembly SZ.

[0082] According to an exemplary embodiment shown schematically in FIGURES 2A-2C, 3A-3D, 4A-4C and 5A-5D, seat assembly SZ may comprise an improved seat system SM comprising a seat base SB and a seat frame / structure SR and a seat back SK movable relative to the seat base SB; the seat system SM may comprises a seat actuation system MM configured to provide net torque to move the seat back relative to the seat base; the seat actuation system MM may comprise a motor M and a spring mechanism PG configured to provide net torque to move the seat back SK relative to the seat base SB; the seat actuation system MM may comprise a motor M and a spring mechanism PG configured to provide net torque to move the seat back SK relative to the seat base SB. See also FIGURES 6, 6A-6D, 7, 7A-7D, 27, 28, 29, 30, 3OA-3OD, 31, 31A-31D, 34, 35, 36, 37, 38 and 39.

[0083] According to an exemplary embodiment shown schematically in FIGURES 2A-2C, 3A-3D, 4A-4C and 5A-5D, seat system SM comprising a seat actuation system MM may comprise a motor M and a spring mechanism PG configured to provide net torque to move the seat back SK relative to the seat base SB; seat system SM comprising a seat actuation system MM may comprise a motor M and a gear mechanism GM and a spring mechanism PG configured to provide net torque to move and to guide / retain position of the seat back SK relative to the seat base SB; seat system SM may comprise a seat back SK providing a component C and a seat actuation system MM configured to provide net torque to move the seat back SK relative to the seat base SB. See also FIGURES 6A-6D, 7, 7A-7D, 27, 28, 29, 30, 3OA-3OD, 31, 31A-31D, 34, 35, 36, 37, 38 and 39.

[0084] According to an exemplary embodiment as shown schematically in FIGURES 6A-6D, 7, 7A-7D, 27, 28, 29, 30, 3OA-3OD, 31, 31 A-3 ID, 34, 35, 36, 37, 38 and 39, seat system SM for a seat assembly SZ vehicle interior may comprise a seat base SB and a seat back SK movable relative to the seat base SB at a pivot connection and a seat actuation system MM configured to move the seat back SK over a range of motion between the fully-reclined position and the fully- lowered position; the seat actuation system MM may comprise a motor M and a spring mechanism PG configured to provide a net torque to the seat back SK including static torque / force of gravity. See also FIGURES 6, 26, 32 and 40. Net torque comprises torque supplied by the motor to lift the seat back SK and the spring mechanism PG to lift the seat back SK and static torque; net torque comprises torque supplied by the motor to lower the seat back SK and the spring mechanism PG toFIP 24048-PCT-US-02 lift the seat back SK and static torque; as indicated schematically, the seat actuation system MM may comprise a gear mechanism GM comprising a gear system configured to guide / retain the position of the seat back SK; the gear system may comprise a drive gear GRa and a driven gear GRb and a track / slot ST and pin PR; the gear system may be configured to provide a retaining / locking section / region RT (e.g. by configuration of a region of gears / plate gears GR providing a guide / path / stop and / or by shape / length of track / slot ST with pin PR providing a guide / path / stop). See also FIGURES 8, 8A-8C, 9A-9D, 10A-10D, 11, 11A-11D, 12A-12F, 13A- 13C, 14A-14C, 15A-15C, 46A-46C and 47A-47C.

[0085] As indicated schematically in FIGURES 6, 8, 8A-8C, 9A-9D, 10A-10D, 11, 11A-11D, 12A-12F, 13A-13C, 14A-14C, 15A-15C, 22A-22C, 23A-23C, 24A-24C and 25A-25D, the seat actuation system / motor-operated system MM for seat system SM may comprise a motor M provided with a motor assembly MB to operated a shaft / axle AX to engage a gear mechanism GM comprising a gear system with gears GR and spring mechanism PG on a pl ate / structure PL comprising a set of bushings BH and posts / proj ections PR; the seat actuation system / motor- operated system MM for seat system SM may comprise an pulse-width-modulated electric motor M with mechanism of motor assembly / structure MB operated by a control system and control panel / user interface and powered by a power supply / source. See also FIGURES 41A-41B, 42, 43A-43C, 44A-44C and 45A-45C, 46A-46C, 47A-47C and 48A-48C.

[0086] According to an exemplary embodiment as shown schematically in FIGURES 2A-2C, 3A- 3D, 4A-4C, 5A-5D, 6, 6A-6D, 7 and 7A-7D, a seat system SM may comprise a seat base SB, a seat back SK movable relative to the seat base SB over a range of motion between a fully-reclined position and a fully-lowered position and a seat actuation system MM configured to move the seat back SK between the fully-reclined position and the fully-lowered position; the seat actuation system MM may comprise a motor M and a spring mechanism PG; the seat actuation system MM may be configured to provide a net torque to the seat back SK. The seat system SM may further comprise a pivot connection between the seat back SK and the seat base SB; the seat actuation system MM may comprise the pivot connection; the seat actuation system MM may comprise a shaft / axle AX providing the pivot connection; the seat actuation system MM may comprise an shaft / axle AX providing the pivot connection; the seat actuation system MM may comprise a gear system; the seat actuation system MM may comprise a gear system comprising a gear mechanism GM; gear system of gear mechanism GM may comprise a gear GR or set of drive / driven gearsFIP 24048-PCT-US-02GRa / GRb coupled to shaft / axle AX and motor M. See also FIGURES 8, 8A-8C, 9A-9D, 10A- 10D, 11, 11A-11D, 12A-12F, 13A-13C, 14A-14C and 15A-15C.

[0087] As indicated schematically in FIGURES 6, 6A-6D, 27, 28, 29, 30, 30A-30D, 31, 31A-31D, 34, 35, 36, 37, 38 and 39, the seat actuation system / motor-operated system MM for seat assembly / system SM is operated by a control system and may be configured to provide motor torque from motor M over an operating range (motor / torque capability in direction for lifting and in direction for lowering / braking) and spring torque from spring mechanism PG (spring force over a range of movement / direction for lifting / lowering) and gravity torque acting at a center of mass CM of the seat back SK and static torque; the center of mass CM for the seat back SK of the seat system SM may be at a position determined by the design / shape / size and component / components of seat back SK; addition / position of a headrest HR may re-position the center of mass CM of seat back SK. See also FIGURES 26. 32 and 40.

[0088] According to an exemplary embodiment as shown schematically in FIGURES 6, 6A-6D, 7, 7A-7D, 27, 28, 29, 30, 3OA-3OD, 31, 31 A-3 ID, 34, 35, 36, 37, 38 and 39, the range of motion / movement for the seat system SM may comprise a center position with center of mass CM of the seat back SK generally horizontally aligned with the pivot connection; the seat actuation system MM operated by the control system may be configured to provide a net torque for movement of the seat back SK over the range of motion; the seat actuation system MM operated by the control system may be configured to apply torque to the seat back SK; the seat actuation system MM operated by the control system may be configured to apply torque to the seat back SK over the range of motion of the seat back SK; torque may comprise net torque applied to the seat back SK; net torque may comprise torque supplied by the motor M; net torque may comprise torque supplied by the motor M and the spring mechanism PG; net torque may comprise torque supplied by the motor M and the spring mechanism PG and by gravity acting upon the seat back SK; net torque may comprise torque supplied by the motor M and the spring mechanism PG and by gravity acting at a center of mass CM of the seat back SK; net torque may comprise torque supplied by the motor M and the spring mechanism PG and by a force of gravity acting at a center of mass CM of the seat back SK; net torque may comprise torque supplied by the motor M to lift the seat back SK and the spring mechanism PG and by gravity acting at a center of mass CM of the seat back SK; net torque may comprise torque supplied by the motor M to lift the seat back SK and the spring mechanism PG to lift the seat back SK and by gravity acting at a center of mass CM to lower the seat back SK; net torque may comprise torque supplied by the motor M to lower the seat back SK and the springFIP 24048-PCT-US-02 mechanism PG and by gravity acting at a center of mass CM of the seat back SK; net torque may comprise torque supplied by the motor M to lower the seat back SK and the spring mechanism PG to lift the seat back SK and by gravity acting at a center of mass CM to lower the seat back SK; net torque may comprise torque supplied by the motor M to slow movement of the seat back SK and the spring mechanism PG to lift the seat back SK and by gravity acting at a center of mass CM to lower the seat back SK.

[0089] According to an exemplary embodiment as shown schematically in FIGURES 2A-2C, 3A- 3D, 4A-4C, 5A-5D, 6, 6A-6D, 7 and 7A-7D, the seat actuation system MM may comprise a motor- operated system operated by the control system; the motor-operated system may comprise a motor- operated mechanism; the seat actuation system MM may comprise a motor-operated system comprising the motor M and a gear system and the spring mechanism PG; the motor-operated system may be configured to provide the pivot connection for movement of the seat back SK relative to the seat base SB; the motor-operated system may comprise an axle AX configured to provide the pivot connection for movement of the seat back SK relative to the seat base SB; the seat system SM may further comprise a seat assembly SZ comprising the seat base SB and the seat back SK; the seat system SM may further comprise a seat assembly SZ comprising the seat base SB and the seat back SK with a headrest HR. See also FIGURES 27, 28, 29, 30, 3OA-3OD, 31, 31A-31D, 34, 35, 36, 37, 38 and 39. The fully-reclined position may comprise a default position; the fully-reclined position may comprise a return position; the fully-reclined position may comprise a stowed position; the fully-reclined position may comprise a fully-raised position. The seat actuation system MM may comprise a seat mechanism.

[0090] According to an exemplary embodiment as indicated schematically, the seat actuation system operated by the control system may comprise at least one of a seat mechanism and / or a motor-operated system and / or a motor-operated mechanism and / or a motor-driven mechanism and / or an actuation mechanism and / or a seat back adjustment mechanism and / or a pivot mechanism. According to an exemplary embodiment as shown schematically in FIGURES 6, 6A- 6D, 7 and 7A-7D, the seat actuation system MM may comprise a power supply. The seat actuation system MM may comprise a control system; the seat actuation system MM may comprise a control system to control the motor M; the seat actuation system MM may comprise a control system to control the motor M using pulse-width modulation; the seat actuation system MM may comprise a control panel; the seat actuation system MM may comprise an operator control; the seat actuation system MM may comprise a user interface comprising an operator control.FIP 24048-PCT-US-02

[0091] According to an exemplary embodiment as shown schematically in FIGURES 8, 8A-8C, 9A-9D, 10A-10D, 11, 11A-11D, 12A-12F, 13A-13C, 14A-14C and 15A-15C, the seat actuation system MM may comprise a motor assembly MB comprising the motor M. The seat actuation system MM may comprise a gear system; the gear system may comprise a gear mechanism GM; the gear mechanism GM may comprise a drive gear GRa; the gear mechanism GM may comprise a drive gear GRa and a driven gear GRb; the gear mechanism GM may comprise a track ST; the gear mechanism GM may comprise a gear track; the gear mechanism GM may comprise a track comprising a slot ST; the gear mechanism GM may comprise a slot; the slot may comprise a curved slot; the gear mechanism GM may comprise a curved slot providing a track for a pin PR; the gear system may be configured to provide a retaining section / region RT (e.g. by configuration of a region of gears / plate gears GR and / or by shape / length of track / slot ST with pin PR). See also FIGURES 22A-22C, 23A-23C, 24A-24C, 25A-25, 41A-41B, 42, 43A-43C, 44A-44C, 45A-45C, 46A-46C and 47A-47C.

[0092] According to an exemplary embodiment as shown schematically in FIGURES 22A-22C, 23A-23C, 24A-24C, 25A-25, 46A-46C and 47A-47C, the gear mechanism GM may comprise a stop; the gear mechanism GM may comprise an end stop; the gear mechanism GM may comprise an end stop for a gear GR; the gear system may be configured to lock the position of the seat back SK relative to the seat base SB; the gear system may be configured to hold the position of the seat back SK relative to the seat base SB; the gear system may be configured to retain the position of the seat back SK relative to the seat base SB; the gear system may be configured to retain the position using friction; the gear system may be configured to guide the movement of the seat back SK relative to the seat base SB; the gear system may be configured to provide a retaining section / region RT (e.g. by configuration of a region of gears / plate gears GR and / or by shape / length of track / slot ST with pin PR).

[0093] According to an exemplary embodiment as shown schematically in FIGURES 8, 8A-8C, 9A-9D, 10A-10D, 11, 11A-11D, 12A-12F, 13A-13C, 14A-14C and 15A-15C, the spring mechanism PG may comprise a spring; the spring mechanism PG may comprise a torsion spring; the spring mechanism PG may be configured to unwind the spring in the range of motion of the seat back SK; the spring mechanism PG may be configured to wind the spring in the range of motion of the seat back SK; the spring mechanism PG may comprise a pre-load spring force; the spring mechanism PG may be configured to provide torque for the seat actuation system MM. See also FIGURES 22A-22C, 23A-23C, 24A-24C, 25A-25 and 48A-48C.FIP 24048-PCT-US-02

[0094] According to an exemplary embodiment as shown schematically in FIGURES 8, 8A-8C, 9A-9D, 10A-10D, 11, 11A-11D, 12A-12F, 13A-13C, 14A-14C and 15A-15C, the seat actuation system MM may comprise a shaft AX; the seat actuation system MM may comprise an axle AX; the shaft AX may comprise the axle AX; the shaft AX may comprise a motor-driven shaft AX; the shaft AX may comprise an axle AX in alignment with the pivot connection for the seat back SK. The seat actuation system MM may comprise a motor assembly MB comprising the motor M. The motor M may comprise an electric motor.

[0095] According to an exemplary embodiment as shown schematically in FIGURES 2A-2C, 3A- 3D, 4A-4C, 5A-5D and 21A-21B, the seat back SK may comprise an adjustable headrest HR; the seat back SK may comprise an adjustable center of mass CM. See FIGURES 30, 30A-30D, 31 and 31A-31D.

[0096] According to an exemplary embodiment as shown schematically in FIGURES 6, 6A-6D, 7, 7A-7D, 8, 8A-8C, 9A-9D, 10A-10D, 11, 11A-11D, 12A-12F, 13A-13C, 14A-14C and 15A-15C, the seat actuation system / motor-operated system MM may comprise a motor-operated mechanism; the motor-operated system may comprise a motor-driven mechanism; the motor-operated system may comprise an axle AX; the axle AX may be configured to provide the pivot connection for movement of the seat back SK relative to the seat base SB; the motor-operated system may comprise an axle AX at the pivot connection. The motor-operated system MM may comprise the motor assembly MB and a gear mechanism GM; the motor assembly MB may comprise a base plate PL and the motor M; the motor assembly MB may comprise a motor shaft AX; the motor- operated system may comprise the motor assembly MB comprising the motor M. The motor- operated system MM may be configured to operate a gear system comprising a gear mechanism GM; the motor-operated system may comprise an axle AX at the pivot connection between the motor M of the motor assembly MB and the gear system of the gear mechanism GM; the motor- operated system may comprise an axle AX between the motor assembly MB and the gear mechanism GM; the axle AX may be configured to provide a pivot point for movement of the seat back SK relative to the seat base SB; the motor-operated system may comprise an axle AX at the pivot connection between the motor M of the motor assembly MB and the gear system of the gear mechanism GM; the gear mechanism GM may comprise the spring mechanism PG and the gear system; the motor-operated system may be configured to move the seat back SK relative to the seat base SB in the range of motion between the fully -reclined position and the fully-lowered position; the motor-operated system may be configured to move the seat back SK relative to the seat base SBFIP 24048-PCT-US-02 at the pivot connection in the range of motion between the fully-reclined position and the fully- lowered position; the motor-operated system may comprise a shaft AX at the pivot connection; the motor-operated system may comprise a motor-operated shaft AX at the pivot connection; the motor-operated system may comprise an axle AX at the pivot connection; the motor-operated system may comprise an axle AX operated by the motor M. The motor-operated system may be configured to move the seat back SK relative to the seat base SB at the pivot point in the range of motion between the fully-reclined position and the fully-lowered position; the motor-operated system may comprise an axle AX at the pivot point. The motor-operated system MM may comprise the motor M coupled to a gear mechanism GM by a shaft AX; the shaft AX may comprise an axle AX at the pivot connection between the motor M of the motor assembly MB and the gear mechanism GM of the gear system. The gear mechanism GM may comprise the spring mechanism PG and the gear system. The seat back SK may comprise a center of mass CM. The range of motion for the seat back SK may comprise a center position the center of mass CM of the seat back SK may be generally horizontally aligned with the pivot connection; the range of motion for the seat back SK may comprise the fully-lowered position the seat back SK may be retained by a retaining mechanism; the range of motion for the seat back SK may comprise the fully-lowered position the seat back SK may be retained by a retaining mechanism; the range of motion for the seat back SK may comprise the fully-lowered position; movement of the seat back SK from the fully-lowered position may comprise separating the seat back SK from the retaining mechanism; the range of motion for the seat back SK may comprise the fully-lowered position; movement of the seat back SK from the fully-lowered position may comprise detaching the seat back SK from the retaining mechanism. See also FIGURES 27, 28, 29, 30, 3OA-3OD, 31, 31A-31D, 34, 35, 36, 37, 38 and 39,

[0097] According to an exemplary embodiment as shown schematically in FIGURES 6, 6A-6D, 7, 7A-7D, 27, 28, 29, 30, 3OA-3OD, 31, 31A-31D, 34, 35, 36, 37, 38 and 39, the motor M of the seat actuation system / motor-operated system MM may be configured to provide torque to move the seat back SK; the motor M may be configured to provide torque to lift the seat back SK; the motor M may be configured to provide torque to lower the seat back SK; the motor M may be configured to provide torque to brake movement of the seat back SK; the motor M may be configured to provide torque to slow movement of the seat back SK. The spring mechanism PG may be configured to provide torque to move the seat back SK; the spring mechanism PG may be configured to provide torque to lift the seat back SK; the spring mechanism PG may be configured to provide torque toFIP 24048-PCT-US-02 lower the seat back SK; the spring mechanism PG may be configured to provide torque to brake movement of the seat back SK; the spring mechanism PG may be configured to provide torque to slow movement of the seat back SK; the spring mechanism PG may comprise a spring configured to assist movement of the seat back SK from the fully-lowered position toward a center position; the spring mechanism PG may comprise a spring configured to provide a torque to assist movement of the seat back SK from the fully-lowered position toward a center position; the spring mechanism PG may comprise a spring configured to provide a torque to assist movement of the seat back SK from a center position toward the fully-reclined position; the spring mechanism PG may comprise a spring configured to provide a torque to resist movement of the seat back SK from the fully-reclined position toward a center position; the spring mechanism PG may comprise a spring configured to provide a torque to resist movement of the seat back SK from a center position toward the fully-lowered position; the spring mechanism PG may comprise a torsion spring configured to provide a torque to assist movement of the seat back SK toward the fully-reclined position; the spring mechanism PG may comprise a torsion spring configured to provide a torque to resist movement of the seat back SK toward the fully-lowered position.

[0098] According to an exemplary embodiment as shown schematically in FIGURES 22A-22C, 23A-23C, 24A-24C, 25A-25D, 46A-46C and 47A-47C, the gear system may comprise a gear mechanism GM configured to guide movement of the seat back SK; the gear mechanism GM may comprise a base plate PL; the base plate PL may comprise a gear GR plate PL; the gear mechanism GM may comprise a gear GR; the gear GR may comprise a plate PL gear GR; the gear mechanism GM may comprise a set of gear GRs; the gear mechanism GM may comprise a gear GR stop; the gear GR stop may comprise a post PR; the base plate PL may comprise a bushing BH for the shaft AX; the shaft AX may be coupled to a drive gear GR of the gear mechanism GM; the drive gear GR may be coupled to a driven gear GR. The spring mechanism PG may be provided on the base plate PL of the gear mechanism GM; the spring mechanism PG may be operated at the gear mechanism GM; the spring mechanism PG may be operated at the base plate PL; the spring mechanism PG may be coupled to the base plate PL; the spring mechanism PG may be operated at the driven gear GR on the base plate PL. The gear system may comprise a gear mechanism GM comprising a gear GR configured to guide movement of the seat back SK; the gear system may comprise a gear mechanism GM comprising a set of gear GRs configured to guide movement of the seat back SK; the gear system may comprise a gear mechanism GM comprising a drive gear GR and a driven gear GR configured to guide movement of the seat back SK; the gear mechanismFIP 24048-PCT-US-02GM may comprise a pin PR configured to guide movement of the seat back SK; the gear mechanism GM may comprise a slot configured to guide movement of the seat back SK; the gear mechanism GM may comprise a pin PR movable in a slot configured to guide movement of the seat back SK; the gear system may comprise a gear mechanism GM comprising a stop configured to stop movement of the seat back SK; the gear system may comprise a gear mechanism GM comprising a stop configured to stop movement of the seat back SK at the fully-lowered position; the gear system may comprise a gear mechanism GM comprising a stop configured to stop movement of the seat back SK at the full-reclined position; the gear mechanism GM may be configured to constrain the movement of the seat back SK; the gear system may be configured to constrain the movement of the seat back SK; the gear system may be configured to retain the position of the seat back SK; the gear system may be configured to guide the position of the seat back SK; the gear system may comprise a gear GR configured to guide the position of the seat back SK; the gear system may comprise a drive gear GR and a driven gear GR configured to guide the position of the seat back SK; the gear system may comprise a drive gear GR coupled to the motor M configured to guide the position of the seat back SK; the gear system may comprise a drive gear GR coupled to the motor M by the shaft AX configured to guide the position of the seat back SK; the gear system may comprise a drive gear GR coupled to the motor M configured to guide the position of the seat back SK and a driven gear GR coupled to the drive gear GR; the gear system may comprise a drive gear GR coupled to the motor M configured to guide the position of the seat back SK and a driven gear GR configured to retain the position of the seat back SK. See also FIGURES 8, 8A-8C, 9A-9D, 10A-10D, 11, 11A-11D, 12A-12F, 13A-13C, 14A-14C and 15A- 15C.

[0099] According to an exemplary embodiment as shown schematically in FIGURES 6, 6A-6D, 7, 7A-7D, 27, 28, 29, 30, 3OA-3OD, 31, 31 A-3 ID, 34, 35, 36, 37, 38 and 39, the motor M may be configured to lift the seat back SK from the fully-lowered position toward a center position; the spring mechanism PG may be configured to assist the motor M to lift the seat back SK from the fully-lowered position toward a center position; the motor M may be configured to move the seat back SK from the center position toward the fully-reclined position; the spring mechanism PG may be configured to oppose the motor M to move the seat back SK from the center position toward the fully-reclined position; the motor M may be configured to move the seat back SK from the center position toward the fully-lowered position; the spring mechanism PG may be configured to oppose the motor M to move the seat back SK from the center position toward the fully-lowered position.FIP 24048-PCT-US-02The range of motion for the seat back SK may comprise the fully-lowered position and a center position and the fully-reclined position; the seat back SK may comprise a center of mass CM; the seat mechanism may be configured so that force of gravity provides a torque applied at the center of mass CM to move the seat back SK from the center position toward the fully-lowered position; the seat mechanism may be configured so that force of gravity provides a torque applied to move the seat back SK from the center position toward the fully-lowered position; the seat mechanism may be configured so that force of gravity provides a torque applied to move the seat back SK from the center position toward the fully-reclined position. Movement of the seat back SK from the fully-lowered position may comprise torque applied by the motor M to move the seat back SK to the center position; movement of the seat back SK from the fully-lowered position may comprise torque applied by the motor M to separate the seat back SK from the retaining mechanism; movement of the seat back SK from the fully-lowered position may comprise torque applied by the motor M to lift the seat back SK; movement of the seat back SK from the fully-lowered position may comprise torque applied by the motor M to lift the seat back SK toward a center position; movement of the seat back SK from the fully-lowered position may comprise torque applied by the motor M to lift the seat back SK; movement of the seat back SK from the fully-lowered position may comprise torque applied by the motor M to lift the seat back SK and torque applied by the spring mechanism PG to lift the seat back SK. Movement of the seat back SK from the fully- reclined position may comprise torque applied by the motor M to move the seat back SK to the center position; movement of the seat back SK from the fully-reclined position may comprise torque applied by the motor M to lift the seat back SK; movement of the seat back SK from the fully-reclined position may comprise torque applied by the motor M to lift the seat back SK toward a center position; movement of the seat back SK from the fully-reclined position may comprise torque applied by the motor M to lower the seat back SK; movement of the seat back SK from the fully-reclined position may comprise torque applied by the motor M to lower the seat back SK and torque applied by the spring mechanism PG to lift the seat back SK.

[0100] According to an exemplary embodiment as shown schematically in FIGURES 2A-2C, 3A- 3D, 4A-4C and 5A-5D, the seat assembly SM of seat assembly SZ providing seat back SK and seat base SB may comprise a component C for a vehicle interior; the component C may comprise an armrest; the component C may comprise a compartment; the component C may comprise a tray / surface; the component C may comprise a seat; the component C may comprise a center seat. See alsoFIP 24048-PCT-US-02

[0101] According to an exemplary embodiment as shown schematically in FIGURES 22A-22C, 23A-23C, 24A-24C, 25A-25D, 46A-46C and 47A-47C, a gear mechanism GM may comprise a gear GR configured to guide movement of the seat back SK; The gear GR may comprise gear teeth in a region providing for movement in the range of motion and a feature at an end of the region configured to stop movement at an end of the range of motion; the feature may comprise a stop; the feature may comprise a locking / retaining section RT; the feature may comprise a non-toothed section; the feature may comprise a flattened section; the feature may comprise a flattened section adjacent to a curved region; the feature may comprise a locking region configured to prevent further movement and / or a retaining area; the gear system may be configured to provide a retaining section / region RT (e.g. by configuration of a region of gears / plate gears GR providing a guide / path / stop and / or by shape / length of track / slot ST with pin PR providing a guide / path / stop).FIP 24048-PCT-US-02Exemplar Embodiments - A

[0102] According to an exemplary embodiment as shown schematically in the FIGURES, a seat system may comprise a seat base, a seat back movable relative to the seat base over a range of motion between a fully-reclined position and a fully-lowered position and a seat actuation system configured to move the seat back between the fully-reclined position and the fully-lowered position; the seat actuation system may comprise a motor and a spring mechanism; the seat actuation system may be configured to provide a net torque to the seat back. The seat system may further comprise a pivot connection between the seat back and the seat base; the seat actuation system may comprise the pivot connection; the seat actuation system may comprise a shaft providing the pivot connection; the seat actuation system may comprise an axle providing the pivot connection; the seat actuation system may comprise a gear system; the seat actuation system may comprise a gear system comprising a gear mechanism; the range of motion may comprise a center position; the seat back may be generally horizontally aligned with the pivot connection; the range of motion may comprise a center position; a center of mass of the seat back may be generally horizontally aligned with the pivot connection; the range of motion may comprise a range of movement; the seat actuation system may be configured to provide a net torque for movement of the seat back over the range of motion; the seat actuation system may be configured to apply torque to the seat back; the seat actuation system may be configured to apply torque to the seat back over the range of motion of the seat back; torque may comprise net torque applied to the seat back; net torque may comprise torque supplied by the motor; net torque may comprise torque supplied by the motor and the spring mechanism; net torque may comprise torque supplied by the motor and the spring mechanism and by gravity acting upon the seat back; net torque may comprise torque supplied by the motor and the spring mechanism and by gravity acting at a center of mass of the seat back; net torque may comprise torque supplied by the motor and the spring mechanism and by a force of gravity acting at a center of mass of the seat back; net torque may comprise torque supplied by the motor to lift the seat back and the spring mechanism and by gravity acting at a center of mass of the seat back; net torque may comprise torque supplied by the motor to lift the seat back and the spring mechanism to lift the seat back and by gravity acting at a center of mass to lower the seat back; net torque may comprise torque supplied by the motor to lower the seat back and the spring mechanism and by gravity acting at a center of mass of the seat back; net torque may comprise torque supplied by the motor to lower the seat back and the spring mechanism to lift the seat back and by gravity acting at a center of mass to lower the seat back; net torque may compriseFIP 24048-PCT-US-02 torque supplied by the motor to slow movement of the seat back and the spring mechanism to lift the seat back and by gravity acting at a center of mass to lower the seat back. The seat actuation system may comprise a motor-operated system; the motor-operated system may comprise a motor- operated mechanism. The seat actuation system may comprise a seat mechanism. The seat actuation system may comprise a motor-operated system comprising the motor and a gear system and the spring mechanism; the motor-operated system may be configured to provide the pivot connection for movement of the seat back relative to the seat base; the motor-operated system may comprise an axle configured to provide the pivot connection for movement of the seat back relative to the seat base. The seat system may further comprise a seat assembly comprising the seat base and the seat back; the seat system may further comprise a seat assembly comprising the seat base and the seat back with a headrest. The fully-reclined position may comprise a default position; the fully -reclined position may comprise a return position; the fully-reclined position may comprise a stowed position; the fully-reclined position may comprise a fully-raised position. The seat actuation system may comprise at least one of a seat mechanism and / or a motor-operated system and / or a motor-operated mechanism and / or a motor-driven mechanism and / or an actuation mechanism and / or a seat back adjustment mechanism and / or a pivot mechanism. The seat actuation system may comprise a power supply. The seat actuation system may comprise a control system; the seat actuation system may comprise a control system to control the motor; the seat actuation system may comprise a control system to control the motor using pulse-width modulation; the seat actuation system may comprise a control panel; the seat actuation system may comprise an operator control; the seat actuation system may comprise a user interface comprising an operator control; the seat actuation system may comprise a motor assembly comprising the motor. The seat actuation system may comprise a gear system; the gear system may comprise a gear mechanism; the gear mechanism may comprise a drive gear; the gear mechanism may comprise a drive gear and a driven gear; the gear mechanism may comprise a first gear and a second gear; the gear mechanism may comprise a track; the gear mechanism may comprise a gear track; the gear mechanism may comprise a track comprising a slot; the gear mechanism may comprise a slot; the slot may comprise a curved slot; the gear mechanism may comprise a curved slot providing a track for a pin; the gear mechanism may comprise a stop; the gear mechanism may comprise an end stop; the gear mechanism may comprise an end stop for a gear; the gear system may be configured to lock the position of the seat back relative to the seat base; the gear system may be configured to hold the position of the seat back relative to the seat base; the gear system may be configured toFIP 24048-PCT-US-02 retain the position of the seat back relative to the seat base; the gear system may be configured to retain the position using friction; the gear system may be configured to guide the movement of the seat back relative to the seat base. The spring mechanism may comprise a spring; the spring mechanism may comprise a torsion spring; the spring mechanism may be configured to unwind the spring in the range of motion of the seat back; the spring mechanism may be configured to wind the spring in the range of motion of the seat back; the spring mechanism may comprise a pre-load spring force; the spring mechanism may be configured to provide torque for the seat actuation system. The seat actuation system may comprise a shaft; the seat actuation system may comprise an axle; the shaft may comprise the axle; the shaft may comprise a motor-driven shaft; the shaft may comprise an axle in alignment with the pivot connection for the seat back. The seat actuation system may comprise a motor assembly comprising the motor. The motor may comprise an electric motor. The seat back may comprise an adjustable headrest; the seat back may comprise an adjustable center of mass. The motor-operated system may comprise a motor-operated mechanism; the motor-operated system may comprise a motor-driven mechanism; the motor-operated system may comprise an axle; the axle may be configured to provide the pivot connection for movement of the seat back relative to the seat base; the motor-operated system may comprise an axle at the pivot connection. The motor-operated system may comprise the motor assembly and a gear mechanism; the motor assembly may comprise a base plate and the motor; the motor assembly may comprise a motor shaft; the motor-operated system may comprise the motor assembly comprising the motor. The motor-operated system may be configured to operate a gear system comprising a gear mechanism; the motor-operated system may comprise an axle at the pivot connection between the motor of the motor assembly and the gear system of the gear mechanism; the motor-operated system may comprise an axle between the motor assembly and the gear mechanism; the axle may be configured to provide a pivot point for movement of the seat back relative to the seat base; the motor-operated system may comprise an axle at the pivot connection between the motor of the motor assembly and the gear system of the gear mechanism; the gear mechanism may comprise the spring mechanism and the gear system; the motor-operated system may be configured to move the seat back relative to the seat base in the range of motion between the fully-reclined position and the fully-lowered position; the motor-operated system may be configured to move the seat back relative to the seat base at the pivot connection in the range of motion between the fully-reclined position and the fully-lowered position; the motor-operated system may comprise a shaft at the pivot connection; the motor-operated system may comprise a motor-operated shaft at the pivotFIP 24048-PCT-US-02 connection; the motor-operated system may comprise an axle at the pivot connection; the motor- operated system may comprise an axle operated by the motor. The motor-operated system may be configured to move the seat back relative to the seat base at the pivot point in the range of motion between the fully-reclined position and the fully-lowered position; the motor-operated system may comprise an axle at the pivot point. The motor-operated system may comprise the motor coupled to a gear mechanism by a shaft; the shaft may comprise an axle at the pivot connection between the motor of the motor assembly and the gear mechanism of the gear system. The gear mechanism may comprise the spring mechanism and the gear system. The seat back may comprise a center of mass. The range of motion for the seat back may comprise a center position the center of mass of the seat back may be generally horizontally aligned with the pivot connection; the range of motion for the seat back may comprise the fully-lowered position the seat back may be retained by a retaining mechanism; the range of motion for the seat back may comprise the fully-lowered position the seat back may be retained by a retaining mechanism; the range of motion for the seat back may comprise the fully-lowered position; movement of the seat back from the fully-lowered position may comprise separating the seat back from the retaining mechanism; the range of motion for the seat back may comprise the fully-lowered position; movement of the seat back from the fully-lowered position may comprise detaching the seat back from the retaining mechanism. The motor may be configured to provide torque to move the seat back; the motor may be configured to provide torque to lift the seat back; the motor may be configured to provide torque to lower the seat back; the motor may be configured to provide torque to brake movement of the seat back; the motor may be configured to provide torque to slow movement of the seat back. The spring mechanism may be configured to provide torque to move the seat back; the spring mechanism may be configured to provide torque to lift the seat back; the spring mechanism may be configured to provide torque to lower the seat back; the spring mechanism may be configured to provide torque to brake movement of the seat back; the spring mechanism may be configured to provide torque to slow movement of the seat back; the spring mechanism may comprise a spring configured to assist movement of the seat back from the fully-lowered position toward a center position; the spring mechanism may comprise a spring configured to provide a torque to assist movement of the seat back from the fully-lowered position toward a center position; the spring mechanism may comprise a spring configured to provide a torque to assist movement of the seat back from a center position toward the fully-reclined position; the spring mechanism may comprise a spring configured to provide a torque to resist movement of the seat back from the fully-reclined position toward aFIP 24048-PCT-US-02 center position; the spring mechanism may comprise a spring configured to provide a torque to resist movement of the seat back from a center position toward the fully-lowered position; the spring mechanism may comprise a torsion spring configured to provide a torque to assist movement of the seat back toward the fully-reclined position; the spring mechanism may comprise a torsion spring configured to provide a torque to resist movement of the seat back toward the fully-lowered position. The gear system may comprise a gear mechanism configured to guide movement of the seat back; the gear mechanism may comprise a base plate; the base plate may comprise a gear plate; the gear mechanism may comprise a gear; the gear may comprise a plate gear; the gear mechanism may comprise a set of gears; the gear mechanism may comprise a gear stop; the gear stop may comprise a post; the base plate may comprise a bushing for the shaft; the shaft may be coupled to a drive gear of the gear mechanism; the drive gear may be coupled to a driven gear. The spring mechanism may be provided on the base plate of the gear mechanism; the spring mechanism may be operated at the gear mechanism; the spring mechanism may be operated at the base plate; the spring mechanism may be coupled to the base plate; the spring mechanism may be operated at the driven gear on the base plate. The gear system may comprise a gear mechanism comprising a gear configured to guide movement of the seat back; the gear system may comprise a gear mechanism comprising a set of gears configured to guide movement of the seat back; the gear system may comprise a gear mechanism comprising a drive gear and a driven gear configured to guide movement of the seat back; the gear mechanism may comprise a pin configured to guide movement of the seat back; the gear mechanism may comprise a slot configured to guide movement of the seat back; the gear mechanism may comprise a pin movable in a slot configured to guide movement of the seat back; the gear system may comprise a gear mechanism comprising a stop configured to stop movement of the seat back; the gear system may comprise a gear mechanism comprising a stop configured to stop movement of the seat back at the fully-lowered position; the gear system may comprise a gear mechanism comprising a stop configured to stop movement of the seat back at the full-reclined position; the gear mechanism may be configured to constrain the movement of the seat back; the gear system may be configured to constrain the movement of the seat back; the gear system may be configured to retain the position of the seat back; the gear system may be configured to guide the position of the seat back; the gear system may comprise a gear configured to guide the position of the seat back; the gear system may comprise a drive gear and a driven gear configured to guide the position of the seat back; the gear system may comprise a drive gear coupled to the motor configured to guide the position of the seatFIP 24048-PCT-US-02 back; the gear system may comprise a drive gear coupled to the motor by the shaft configured to guide the position of the seat back; the gear system may comprise a drive gear coupled to the motor configured to guide the position of the seat back and a driven gear coupled to the drive gear; the gear system may comprise a drive gear coupled to the motor configured to guide the position of the seat back and a driven gear configured to retain the position of the seat back. The motor may be configured to lift the seat back from the fully-lowered position toward a center position; the spring mechanism may be configured to assist the motor to lift the seat back from the fully-lowered position toward a center position; the motor may be configured to move the seat back from the center position toward the fully-reclined position; the spring mechanism may be configured to oppose the motor to move the seat back from the center position toward the fully-reclined position; the motor may be configured to move the seat back from the center position toward the fully- lowered position; the spring mechanism may be configured to oppose the motor to move the seat back from the center position toward the fully-lowered position. The range of motion for the seat back may comprise the fully-lowered position and a center position and the fully-reclined position; the seat back may comprise a center of mass; the seat mechanism may be configured so that force of gravity provides a torque applied at the center of mass to move the seat back from the center position toward the fully-lowered position; the seat mechanism may be configured so that force of gravity provides a torque applied to move the seat back from the center position toward the fully- lowered position; the seat mechanism may be configured so that force of gravity provides a torque applied to move the seat back from the center position toward the fully-reclined position.Movement of the seat back from the fully-lowered position may comprise torque applied by the motor to move the seat back to the center position; movement of the seat back from the fully- lowered position may comprise torque applied by the motor to separate the seat back from the retaining mechanism; movement of the seat back from the fully-lowered position may comprise torque applied by the motor to lift the seat back; movement of the seat back from the fully-lowered position may comprise torque applied by the motor to lift the seat back toward a center position; movement of the seat back from the fully-lowered position may comprise torque applied by the motor to lift the seat back; movement of the seat back from the fully-lowered position may comprise torque applied by the motor to lift the seat back and torque applied by the spring mechanism to lift the seat back. Movement of the seat back from the fully-reclined position may comprise torque applied by the motor to move the seat back to the center position; movement of the seat back from the fully-reclined position may comprise torque applied by the motor to lift the seatFIP 24048-PCT-US-02 back; movement of the seat back from the fully-reclined position may comprise torque applied by the motor to lift the seat back toward a center position; movement of the seat back from the fully- reclined position may comprise torque applied by the motor to lower the seat back; movement of the seat back from the fully-reclined position may comprise torque applied by the motor to lower the seat back and torque applied by the spring mechanism to lift the seat back. The seat assembly may comprise a component for a vehicle interior; the component may comprise an armrest; the component may comprise a compartment; the component may comprise a tray / surface; the component may comprise a seat; the component may comprise a center seat. The gear mechanism may comprise a gear configured to guide movement of the seat back; The gear may comprise gear teeth in a region providing for movement in the range of motion and a feature at an end of the region configured to stop movement at an end of the range of motion; the feature may comprise a stop; the feature may comprise a locking region; the feature may comprise a non-toothed section; the feature may comprise a flattened section; the feature may comprise a flattened section adjacent to a curved region; the feature may comprise a locking region configured to prevent further movement and / or a retaining area; the gear mechanism may comprise a gear plate; the gear plate may comprise in which the gear teeth are replaced by a flattened or non-toothed section; the locking region may be configured to engage a corresponding blocking feature or region to prevent further movement of the seat back at a predetermined angular position; the gear plate may comprise at least one blocking area formed by an interruption or modification of the gear teeth at an end of its rotational range such that when the seat back or armrest reaches a selected angle, the blocking area abuts against a stop or locking portion of a meshing component, thereby mechanically preventing further rotation; the profile of the gear mechanism may be configured such that a flattened section, locking curve, or similarly modified geometry at the periphery of the gear interacts with a complementary locking area of an adjacent gear or plate to hold the seat back or armrest securely at a designated blocking position.[01031 According to an exemplary embodiment as shown schematically in the FIGURES, a seat for a vehicle may comprise a seat base, a backrest connected to the seat base and a pivot connection between the seat base and the backrest; the pivot connection may comprise a mechanism; the pivot connection may comprise an electric motor operatively connected to the mechanism and the pivot connection may be configured to provide a centric folding mechanism; the mechanism may be configured to pivot the backrest from a first position, serving as a backrest to a second position serving as an armrest; the backrest may comprise a functional carrier, a functional insert and aFIP 24048-PCT-US-02 substrate, at least one of the functional carrier and the substrate may comprise a cushioning material for enhanced comfort in at least one of the backrest and / or armrest position; the pivot movement may be configured to fold up / down the backrest without eccentricity; the mechanism may comprise a base plate coupled to the seat base and a side plate coupled to the backrest; the mechanism may comprise motor interface coupled to the motor; the mechanism may comprise a first and a second gear plate, each gear plates may comprise a locking area and teeth with a locking curve; the motorized centric folding mechanism may comprise a locking mechanism to secure the backrest in a reclined position and secure the armrest in an armrest position; the locking mechanism may be automatically engaged when the armrest reaches the recliner position; the locking area of the first gear plate may be configured to engage with the locking area of the second gear plate, the engagement may comprise a frictional locking connection; the side plate may comprise an end-stop.

[0104] According to an exemplary embodiment as shown schematically in the FIGURES, a component configured for a seat of a vehicle may comprise a seat base, a backrest connected to the seat base, and a pivot connection between the seat base and the backrest; the pivot connection may comprise a mechanism; the pivot connection may comprise an electric motor operatively connected to the mechanism; the pivot connection may be configured to provide a centric folding mechanism composite; the mechanism may be configured to pivot the backrest from a first position, serving as a backrest to a second position serving as an armrest; the backrest may comprise a functional carrier, a functional insert, and a substrate; at least the functional carrier or the substrate may comprise a cushioning material for enhanced comfort of the backrest and / or armrest; the pivot movement may be configured to fold up / down the backrest without eccentricity; the mechanism may comprise a base plate coupled to the seat base and a side plate coupled to the backrest; the mechanism may comprise motor interface coupled to the motor; the mechanism may comprise a first and a second gear plate, wherein each gear plates may comprise a locking area and teeth with a locking curve; the motorized centric folding mechanism may comprise a locking mechanism to secure the backrest in a reclined position and secure the armrest in an armrest position; the locking mechanism is automatically engaged when the armrest reaches the recliner position; the locking area of the first gear plate may be configured to engage with the locking area of the second gear plate; the engagement may comprise a frictional locking connection; the side plate may comprise an end-stop.FIP 24048-PCT-US-02Exemplar / Embodiments - B

[0105] According to an exemplary embodiment shown schematically in the FIGURES, an improved seat system may comprise a seat base and a seat back movable relative to the seat base; the seat system may comprises a seat system comprising a seat actuation system configured to provide net torque to move the seat back relative to the seat base; the seat actuation system may comprise a motor and a spring mechanism configured to provide net torque to move the seat back relative to the seat base; the seat actuation system may comprise a motor and a gear mechanism and a spring mechanism configured to provide net torque to move and to guide / retain position of the seat back relative to the seat base; the seat back may providing a component. The component may comprise an armrest assembly. The seat system may be provided for a vehicle interior with a second-row seat assembly or third-row seat assembly the seat back may be provided as a backrest for a center seat; the center seat backrest may function in an upright position as a backrest and in a fold-down position as an armrest. The seat actuation system may provide comfort and convenience to the vehicle occupants as an electrically powered system; the seat actuation system may provide even / regulated motion by a control system managing net torque provided to the seat back; the seat actuation system may improve retention / guiding of the seat back in position.

[0106] According to an exemplary embodiment shown schematically in the FIGURES, a seat system may comprise a seat base and a seat back / backrest connected to the seat base and a pivot connection between the seat base and the seat back / backrest. The pivot connection may comprise an electric motor operatively connected to a mechanism for the seat actuation system configured to provide a centric folding mechanism; the mechanism may be configured to pivot the backrest from a first position serving as a backrest to a second position serving as an armrest; the pivot movement may be configured to fold up / down the backrest without eccentricity the motorized centric folding mechanism may comprise a locking / retaining mechanism to secure the seat back / backrest in a fully-reclined position and to secure the armrest at a fully-lowered position; the locking / retaining mechanism may comprise a locking area of a gear plate configured to engage with a locking area of a gear plate; the engagement may comprises a blocking / frictional locking connection.A seat system for a vehicle interior may comprise a seat base and a seat back / backrest connected to the seat base and and a pivot connection between the seat base and the backrest. The pivot connection may comprise a mechanism. The pivot connection may comprise an electric motor operatively connected to the mechanism. The pivot connection may be configured to provide a centric folding mechanism composite. The mechanism may be configured to pivot the backrestFIP 24048-PCT-US-02 from a first position, serving as a backrest to a second position serving as an armrest. The backrest may comprise a functional carrier, a functional insert, and a substrate. At least the functional carrier or the substrate may comprise a cushioning material for enhanced comfort of the backrest and / or armrest. The pivot movement may be configured to fold up / down the backrest without eccentricity. The mechanism may comprise a base plate coupled to the seat base and a side plate coupled to the backrest. The mechanism may comprise motor interface coupled to the motor. The mechanism may comprise a first and a second gear plate, wherein each gear plates may comprise a locking area and teeth with a locking curve. The motorized centric folding mechanism may comprise a locking mechanism to secure the backrest in a reclined position and secure the armrest in an armrest position. The locking mechanism is automatically engaged when the armrest reaches the recliner position. The locking area of the first gear plate may be configured to engage with the locking area of the second gear plate, wherein the engagement may comprise a frictional locking connection. The side plate may comprise an end-stop.According to an exemplary embodiment as shown schematically in the FIGURES, a seat system for a vehicle interior may comprise a seat base and a backrest connected to the seat base and a pivot connection between the seat base and the backrest. The pivot connection may comprise a mechanism. The pivot connection may comprise an electric motor operatively connected to the mechanism. The pivot connection may be configured to provide a centric folding mechanism composite. The mechanism may be configured to pivot the backrest from a first position, serving as a backrest to a second position serving as an armrest. The backrest may comprise a functional carrier, a functional insert, and a substrate. At least the functional carrier or the substrate may comprise a cushioning material for enhanced comfort of the backrest and / or armrest.The pivot movement may be configured to fold up / down the backrest without eccentricity.The mechanism may comprise a base plate coupled to the seat base and a side plate coupled to the backrest. The mechanism may comprise motor interface coupled to the motor. The mechanism may comprise a first and a second gear plate; each gear plate may comprise a locking area and teeth with a locking curve. The motorized centric folding mechanism may comprise a locking mechanism to secure the backrest in a reclined position and secure the armrest in an armrest position. The locking mechanism may be automatically engaged when the armrest reaches the recliner position. The locking area of the first gear plate may be configured to engage with the locking area of the second gear plate; the engagement may comprise a frictional locking connection. The side plate may comprise an end-stop.FIP 24048-PCT-US-02

[0107] According to an exemplary embodiment shown schematically in the FIGURES, the seat system may a seat base and a seat back / backrest connected to the seat base and and a pivot connection between the seat base and the backrest. The pivot connection comprises an electric motor operatively connected to the mechanism configured to provide a centric folding mechanism composite. The mechanism is configured to pivot the backrest from a first position, serving as a backrest to a second position serving as an armrest. The pivot movement is configured to fold up / down the backrest without eccentricity. The motorized centric folding mechanism comprises a locking mechanism to secure the backrest in a reclined position and to secure the armrest in an armrest position. The locking area of the first gear plate is configured to engage with the locking area of the second gear plate, wherein the engagement comprises a frictional locking connection.FIP 24048-PCT-US-02FIP 24048-PCT-US-02>■«

[0108] It is important to note that the present inventions (e.g. inventive concepts, etc.) have been described in the specification and / or illustrated in the FIGURES of the present patent document according to exemplary embodiments; the embodiments of the present inventions are presented by way of example only and are not intended as a limitation on the scope of the present inventions. The construction and / or arrangement of the elements of the inventive concepts embodied in the present inventions as described in the specification and / or illustrated in the FIGURES is illustrative only. Although exemplary embodiments of the present inventions have been described in detail in the present patent document, a person of ordinary skill in the art will readily appreciate that equivalents, modifications, variations, etc. of the subject matter of the exemplary embodiments and alternative embodiments are possible and contemplated as being within the scope of the present inventions; all such subject matter (e.g. modifications, variations, embodiments, combinations, equivalents, etc.) is intended to be included within the scope of the present inventions. It should also be noted that various / other modifications, variations, substitutions, equivalents, changes, omissions, etc. may be made in the configuration and / or arrangement of the exemplary embodiments (e.g. in concept, design, structure, apparatus, form, assembly, construction, means, function, system, process / method, steps, sequence of process / method steps, operation, operating conditions, performance, materials, composition, combination, etc.) without departing from the scope of the present inventions; all such subject matter (e.g. modifications, variations, embodiments, combinations, equivalents, etc.) is intended to be included within the scope of the present inventions. The scope of the present inventions is not intended to be limited to the subject matter (e.g. details, structure, functions, materials, acts, steps, sequence, system, result, etc.) described in the specification and / or illustrated in the FIGURES of the present patent document. It is contemplated that the claims of the present patent document will be construed properly to cover the complete scope of the subject matter of the present inventions (e.g. including any and all such modifications, variations, embodiments, combinations, equivalents, etc.); it is to be understood that the terminology used in the present patent document is for the purpose of providing a description of the subject matter of the exemplary embodiments rather than as a limitation on the scope of the present inventions.

[0109] It is also important to note that according to exemplary embodiments the present inventions may comprise conventional technology (e.g. as implemented and / or integrated in exemplary embodiments, modifications, variations, combinations, equivalents, etc.) or may comprise anyFIP 24048-PCT-US-02 other applicable technology (present and / or future) with suitability and / or capability to perform the functions and processes / operations described in the specification and / or illustrated in the FIGURES. All such technology (e.g. as implemented in embodiments, modifications, variations, combinations, equivalents, etc.) is considered to be within the scope of the present inventions of the present patent document.

Claims

FIP 24048-PCT-US-02CLAIMSThe invention claimed is:

1. A seat system comprising: a seat base; a seat back movable relative to the seat base over a range of motion between a fully- reclined position and a fully-lowered position; a seat actuation system configured to move the seat back between the fully-reclined position and the fully-lowered position; wherein the seat actuation system comprises a motor and a spring mechanism; wherein the seat actuation system is configured to provide a net torque to the seat back.

2. The seat system of Claim 1 further comprising a pivot connection between the seat back and the seat base.

3. The seat system of Claim 2 wherein the seat actuation system comprises the pivot connection.

4. The seat system of Claim 2 wherein the seat actuation system comprises a shaft providing the pivot connection.

5. The seat system of Claim 2 wherein the seat actuation system comprises an axle providing the pivot connection.

6. The seat system of Claim 1 wherein the seat actuation system comprises a gear system.

7. The seat system of Claim 1 wherein the seat actuation system comprises a gear system comprising a gear mechanism.

8. The seat system of Claim 2 wherein the range of motion comprises a center position wherein the seat back is generally horizontally aligned with the pivot connection.

9. The seat system of Claim 2 wherein the range of motion comprises a center position wherein a center of mass of the seat back is generally horizontally aligned with the pivot connection.

10. The seat system of Claim 1 wherein the range of motion comprises a range of movement.FIP 24048-PCT-US-0211. The seat system of Claim 1 wherein the seat actuation system is configured to provide a net torque for movement of the seat back over the range of motion.

12. The seat system of Claim 1 wherein the seat actuation system is configured to apply torque to the seat back.

13. The seat system of Claim 1 wherein the seat actuation system is configured to apply torque to the seat back over the range of motion of the seat back.

14. The seat system of Claim 12 wherein torque comprises net torque applied to the seat back.

15. The seat system of Claim 1 wherein net torque comprises torque supplied by the motor.

16. The seat system of Claim 1 wherein net torque comprises torque supplied by the motor and the spring mechanism.

17. The seat system of Claim 1 wherein net torque comprises torque supplied by the motor and the spring mechanism and by gravity acting upon the seat back.

18. The seat system of Claim 1 wherein net torque comprises torque supplied by the motor and the spring mechanism and by gravity acting at a center of mass of the seat back.

19. The seat system of Claim 1 wherein net torque comprises torque supplied by the motor and the spring mechanism and by a force of gravity acting at a center of mass of the seat back.

20. The seat system of Claim 1 wherein net torque comprises torque supplied by the motor to lift the seat back and the spring mechanism and by gravity acting at a center of mass of the seat back.

21. The seat system of Claim 1 wherein net torque comprises torque supplied by the motor to lift the seat back and the spring mechanism to lift the seat back and by gravity acting at a center of mass to lower the seat back.

22. The seat system of Claim 1 wherein net torque comprises torque supplied by the motor to lower the seat back and the spring mechanism and by gravity acting at a center of mass of the seat back.

23. The seat system of Claim 1 wherein net torque comprises torque supplied by the motor to lower the seat back and the spring mechanism to lift the seat back and by gravity acting at a center of mass to lower the seat back.FIP 24048-PCT-US-0224. The seat system of Claim 1 wherein net torque comprises torque supplied by the motor to slow movement of the seat back and the spring mechanism to lift the seat back and by gravity acting at a center of mass to lower the seat back.

25. The seat system of Claim 1 wherein the seat actuation system comprises a motor- operated system.

26. The seat system of Claim 25 wherein the motor-operated system comprises a motor- operated mechanism.

27. The seat system of Claim 1 wherein the seat actuation system comprises a seat mechanism.

28. The seat system of Claim 1 wherein the seat actuation system comprises a motor- operated system comprising the motor and a gear system and the spring mechanism.

29. The seat system of Claim 25 wherein the motor-operated system is configured to provide a pivot connection for movement of the seat back relative to the seat base.

30. The seat system of Claim 25 wherein the motor-operated system comprises an axle configured to provide a pivot connection for movement of the seat back relative to the seat base.

31. The seat system of Claim 1 further comprising a seat assembly comprising the seat base and the seat back.

32. The seat system of Claim 1 further comprising a seat assembly comprising the seat base and the seat back with a headrest.

33. The seat system of Claim 1 wherein the fully-reclined position comprises a default position.

34. The seat system of Claim 1 wherein the fully-reclined position comprises a return position.

35. The seat system of Claim 1 wherein the fully-reclined position comprises a stowed position.

36. The seat system of Claim 1 wherein the fully-reclined position comprises a fully- raised position.

37. The seat system of Claim 1 wherein the seat actuation system comprises at least one of a seat mechanism and / or a motor-operated system and / or a motor-operated mechanism and / or a motor-driven mechanism and / or an actuation mechanism and / or a seat back adjustment mechanism and / or a pivot mechanism.FIP 24048-PCT-US-0238. The seat system of Claim 1 wherein the seat actuation system comprises a power supply.

39. The seat system of Claim 1 wherein the seat actuation system comprises a control system.

40. The seat system of Claim 1 wherein the seat actuation system comprises a control system to control the motor.

41. The seat system of Claim 1 wherein the seat actuation system comprises a control system to control the motor using pulse-width modulation.

42. The seat system of Claim 1 wherein the seat actuation system comprises a control panel.

43. The seat system of Claim 1 wherein the seat actuation system comprises an operator control.

44. The seat system of Claim 1 wherein the seat actuation system comprises a user interface comprising an operator control.

45. The seat system of Claim 1 wherein the seat actuation system comprises a motor assembly comprising the motor.

46. The seat system of Claim 1 wherein the seat actuation system comprises a gear system.

47. The seat system of Claim 46 wherein the gear system comprises a gear mechanism.

48. The seat system of Claim 47 wherein the gear mechanism comprises a drive gear.

49. The seat system of Claim 47 wherein the gear mechanism comprises a drive gear and a driven gear.

50. The seat system of Claim 47 wherein the gear mechanism comprises a first gear and a second gear.

51. The seat system of Claim 47 wherein the gear mechanism comprises a track.

52. The seat system of Claim 47 wherein the gear mechanism comprises a gear track.

53. The seat system of Claim 47 wherein the gear mechanism comprises a track comprising a slot.

54. The seat system of Claim 47 wherein the gear mechanism comprises a slot.

55. The seat system of Claim 54 wherein the slot comprises a curved slot56. The seat system of Claim 47 wherein the gear mechanism comprises a curved slot providing a track for a pin.FIP 24048-PCT-US-0257. The seat system of Claim 47 wherein the gear mechanism comprises a stop.

58. The seat system of Claim 47 wherein the gear mechanism comprises an end stop.

59. The seat system of Claim 47 wherein the gear mechanism comprises an end stop for a gear.

60. The seat system of Claim 46 wherein the gear system is configured to lock the position of the seat back relative to the seat base.

61. The seat system of Claim 46 wherein the gear system is configured to hold the position of the seat back relative to the seat base.

62. The seat system of Claim 46 wherein the gear system is configured to retain the position of the seat back relative to the seat base.

63. The seat system of Claim 46 wherein the gear system is configured to retain the position using friction.

64. The seat system of Claim 46 wherein the gear system is configured to guide the movement of the seat back relative to the seat base.

65. The seat system of Claim 1 wherein the spring mechanism comprises a spring.

66. The seat system of Claim 1 wherein the spring mechanism comprises a torsion spring.

67. The seat system of Claim 65 wherein the spring mechanism is configured to unwind the spring in the range of motion of the seat back.

68. The seat system of Claim 65 wherein the spring mechanism is configured to wind the spring in the range of motion of the seat back.

69. The seat system of Claim 1 wherein the spring mechanism comprises a pre-load spring force.

70. The seat system of Claim 1 wherein the spring mechanism is configured to provide torque for the seat actuation system.

71. The seat system of Claim 1 wherein the seat actuation system comprises a shaft.

72. The seat system of Claim 1 wherein the seat actuation system comprises an axle.

73. The seat system of Claim 71 wherein the shaft comprises an axle.

74. The seat system of Claim 71 wherein the shaft comprises a motor-driven shaft.

75. The seat system of Claim 71 wherein the shaft comprises an axle in alignment with a pivot connection for the seat back.FIP 24048-PCT-US-0276. The seat system of Claim 1 wherein the seat actuation system comprises a motor assembly comprising the motor.

77. The seat system of Claim 1 wherein the motor comprises an electric motor.

78. The seat system of Claim 1 wherein the seat back comprises an adjustable headrest.

79. The seat system of Claim 1 wherein the seat back comprises an adjustable center of mass.

80. The seat system of Claim 25 wherein the motor-operated system comprises a motor- operated mechanism.

81. The seat system of Claim 25 wherein the motor-operated system comprises a motor- driven mechanism.

82. The seat system of Claim 25 wherein the motor-operated system comprises an axle.

83. The seat system of Claim 82 wherein the axle is configured to provide a pivot connection for movement of the seat back relative to the seat base.

84. The seat system of Claim 25 wherein the motor-operated system comprises an axle at a pivot connection.

85. The seat system of Claim 25 wherein the motor-operated system comprises the motor assembly and a gear mechanism.

86. The seat system of Claim 75 wherein the motor assembly comprises a base plate and the motor.

87. The seat system of Claim 75 wherein the motor assembly comprises a motor shaft.

88. The seat system of Claim 25 wherein the motor-operated system comprises a motor assembly comprising the motor.

89. The seat system of Claim 88 wherein the motor-operated system is configured to operate a gear system comprising a gear mechanism.

90. The seat system of Claim 89 wherein the motor-operated system comprises an axle at a pivot connection between the motor of the motor assembly and the gear system of the gear mechanism.

91. The seat system of Claim 89 wherein the motor-operated system comprises an axle between the motor assembly and the gear mechanism.

92. The seat system of Claim 91 wherein the axle is configured to provide a pivot point for movement of the seat back relative to the seat base.FIP 24048-PCT-US-0293. The seat system of Claim 89 wherein the gear mechanism comprises the spring mechanism and the gear system.

94. The seat system of Claim 25 wherein the motor-operated system is configured to move the seat back relative to the seat base in the range of motion between the fully-reclined position and the fully-lowered position.

95. The seat system of Claim 25 wherein the motor-operated system comprises a shaft at a pivot connection.

96. The seat system of Claim 25 wherein the motor-operated system comprises a motor- operated shaft at a pivot connection.

97. The seat system of Claim 25 wherein the motor-operated system comprises an axle at a pivot connection.

98. The seat system of Claim 25 wherein the motor-operated system comprises an axle operated by the motor.

99. The seat system of Claim 25 wherein the motor-operated system is configured to move the seat back relative to the seat base at a pivot point in the range of motion between the fully-reclined position and the fully-lowered position.

100. The seat system of Claim 25 wherein the motor-operated system comprises an axle at a pivot point.

101. The seat system of Claim 25 wherein the motor-operated system comprises the motor coupled to a gear mechanism by a shaft.

102. The seat system of Claim 101 wherein the shaft comprises an axle at a pivot connection between the motor of a motor assembly and the gear mechanism of a gear system.

103. The seat system of Claim 102 wherein the gear mechanism comprises the spring mechanism and the gear system.

104. The seat system of Claim 1 wherein the seat back comprises a center of mass.

105. The seat system of Claim 9 wherein the range of motion for the seat back comprises a center position wherein the center of mass of the seat back is generally horizontally aligned with the pivot connection.

106. The seat system of Claim 1 wherein the range of motion for the seat back comprises the fully-lowered position wherein the seat back is retained by a retaining mechanism.

107. The seat system of Claim 1 wherein the range of motion for the seat back comprises the fully-lowered position wherein the seat back is retained by a retaining mechanism.FIP 24048-PCT-US-02108. The seat system of Claim 107 wherein the range of motion for the seat back comprises the fully-lowered position; wherein movement of the seat back from the fully-lowered position comprises separating the seat back from the retaining mechanism.

109. The seat system of Claim 107 wherein the range of motion for the seat back comprises the fully-lowered position; wherein movement of the seat back from the fully-lowered position comprises detaching the seat back from the retaining mechanism.

110. The seat system of Claim 1 wherein the motor is configured to provide torque to move the seat back.

111. The seat system of Claim 1 wherein the motor is configured to provide torque to lift the seat back.

112. The seat system of Claim 1 wherein the motor is configured to provide torque to lower the seat back.

113. The seat system of Claim 1 wherein the motor is configured to provide torque to brake movement of the seat back.

114. The seat system of Claim 1 wherein the motor is configured to provide torque to slow movement of the seat back.

115. The seat system of Claim 1 wherein the spring mechanism is configured to provide torque to move the seat back.

116. The seat system of Claim 1 wherein the spring mechanism is configured to provide torque to lift the seat back.

117. The seat system of Claim 1 wherein the spring mechanism is configured to provide torque to lower the seat back.

118. The seat system of Claim 1 wherein the spring mechanism is configured to provide torque to brake movement of the seat back.

119. The seat system of Claim 1 wherein the spring mechanism is configured to provide torque to slow movement of the seat back.

120. The seat system of Claim 1 wherein the spring mechanism comprises a spring configured to assist movement of the seat back from the fully-lowered position toward a center position.

121. The seat system of Claim 1 wherein the spring mechanism comprises a spring configured to provide torque to assist movement of the seat back from the fully-lowered position toward a center position.FIP 24048-PCT-US-02122. wherein the spring mechanism comprises a spring configured to provide a torque to assist movement of the seat back from a center position toward the fully-reclined position.

123. The seat system of Claim 1 wherein the spring mechanism comprises a spring configured to provide torque to resist movement of the seat back from the fully-reclined position toward a center position.

124. The seat system of Claim 1 wherein the spring mechanism comprises a spring configured to provide torque to resist movement of the seat back from a center position toward the fully-lowered position.

125. The seat system of Claim 1 wherein the spring mechanism comprises a torsion spring configured to provide torque to assist movement of the seat back toward the fully-reclined position.

126. The seat system of Claim 1 wherein the spring mechanism comprises a torsion spring configured to provide torque to resist movement of the seat back toward the fully-lowered position.

127. The seat system of Claim 46 wherein the gear system comprises a gear mechanism configured to guide movement of the seat back.

128. The seat system of Claim 127 wherein the gear mechanism comprises a base plate.

129. The seat system of Claim 128 wherein the base plate comprises a gear plate.

130. The seat system of Claim 127 wherein the gear mechanism comprises a gear.

131. The seat system of Claim 130 wherein the gear comprises a plate gear.

132. The seat system of Claim 127 wherein the gear mechanism comprises a set of gears.

133. The seat system of Claim 127 wherein the gear mechanism comprises a gear stop.

134. The seat system of Claim 133 wherein the gear stop comprises a post.

135. The seat system of Claim 128 wherein the base plate comprises a bushing for a shaft.

136. The seat system of Claim 135 wherein the shaft is coupled to a drive gear of the gear mechanism.

137. The seat system of Claim 136 wherein the drive gear is coupled to a driven gear.

138. The seat system of Claim 128 wherein the spring mechanism is provided on the base plate of the gear mechanism.

139. The seat system of Claim 127 wherein the spring mechanism is operated at the gear mechanism.FIP 24048-PCT-US-02140. The seat system of Claim 128 wherein the spring mechanism is operated at the base plate.

141. The seat system of Claim 128 wherein the spring mechanism is coupled to the base plate.

142. The seat system of Claim 137 wherein the spring mechanism is operated at the driven gear on the base plate.

143. The seat system of Claim 46 wherein the gear system comprises a gear mechanism comprising a gear configured to guide movement of the seat back.

144. The seat system of Claim 46 wherein the gear system comprises a gear mechanism comprising a set of gears configured to guide movement of the seat back.

145. The seat system of Claim 46 wherein the gear system comprises a gear mechanism comprising a drive gear and a driven gear configured to guide movement of the seat back.

146. The seat system of Claim 47 wherein the gear mechanism comprises a pin configured to guide movement of the seat back.

147. The seat system of Claim 47 wherein the gear mechanism comprises a slot configured to guide movement of the seat back.

148. The seat system of Claim 47 wherein the gear mechanism comprises a pin movable in a slot configured to guide movement of the seat back.

149. The seat system of Claim 46 wherein the gear system comprises a gear mechanism comprising a stop configured to stop movement of the seat back.

150. The seat system of Claim 46 wherein the gear system comprises a gear mechanism comprising a stop configured to stop movement of the seat back at the fully-lowered position.

151. The seat system of Claim 46 wherein the gear system comprises a gear mechanism comprising a stop configured to stop movement of the seat back at the fully-reclined position.

152. The seat system of Claim 47 wherein the gear mechanism is configured to constrain movement of the seat back.

153. The seat system of Claim 47 wherein the gear system is configured to constrain movement of the seat back.

154. The seat system of Claim 46 wherein the gear system is configured to retain the position of the seat back.

155. The seat system of Claim 46 wherein the gear system is configured to guide the position of the seat back.FIP 24048-PCT-US-02156. The seat system of Claim 46 wherein the gear system comprises a gear configured to guide the position of the seat back.

157. The seat system of Claim 46 wherein the gear system comprises a drive gear and a driven gear configured to guide the position of the seat back.

158. The seat system of Claim 46 wherein the gear system comprises a drive gear coupled to the motor configured to guide the position of the seat back.

159. The seat system of Claim 46 wherein the gear system comprises a drive gear coupled to the motor by a shaft configured to guide the position of the seat back.

160. The seat system of Claim 46 wherein the gear system comprises a drive gear coupled to the motor configured to guide the position of the seat back and a driven gear coupled to the drive gear.

161. The seat system of Claim 46 wherein the gear system comprises a drive gear coupled to the motor configured to guide the position of the seat back and a driven gear configured to retain the position of the seat back.

162. The seat system of Claim 1 wherein the motor is configured to lift the seat back from the fully-lowered position toward a center position.

163. The seat system of Claim 1 wherein the spring mechanism is configured to assist the motor to lift the seat back from the fully-lowered position toward a center position.

164. The seat system of Claim 163 wherein the motor is configured to move the seat back from the center position toward the fully-reclined position.

165. The seat system of Claim 163 wherein the spring mechanism is configured to oppose the motor to move the seat back from the center position toward the fully-reclined position.

166. The seat system of Claim 163 wherein the motor is configured to move the seat back from the center position toward the fully-lowered position.

167. The seat system of Claim 163 wherein the spring mechanism is configured to oppose the motor to move the seat back from the center position toward the fully-lowered position.

168. The seat system of Claim 1 wherein the range of motion for the seat back comprises the fully-lowered position and a center position and the fully-reclined position.

169. The seat system of Claim 27 wherein the seat back comprises a center of mass; wherein the seat mechanism is configured so that force of gravity provides a torque applied at the center of mass to move the seat back from the center position toward the fully-lowered position.FIP 24048-PCT-US-02170. The seat system of Claim 27 wherein the seat mechanism is configured so that force of gravity provides a torque applied to move the seat back from the center position toward the fully-lowered position.

171. The seat system of Claim 27 wherein the seat mechanism is configured so that force of gravity provides a torque applied to move the seat back from the center position toward the fully-reclined position.

172. The seat system of Claim 168 wherein movement of the seat back from the fully- lowered position comprises torque applied by the motor to move the seat back to the center position.

173. The seat system of Claim 106 wherein movement of the seat back from the fully- lowered position comprises torque applied by the motor to separate the seat back from the retaining mechanism.

174. The seat system of Claim 1 wherein movement of the seat back from the fully- lowered position comprises torque applied by the motor to lift the seat back.

175. The seat system of Claim 1 wherein movement of the seat back from the fully- lowered position comprises torque applied by the motor to lift the seat back toward a center position.

176. The seat system of Claim 1 wherein movement of the seat back from the fully- lowered position comprises torque applied by the motor to lift the seat back.

177. The seat system of Claim 1 wherein movement of the seat back from the fully- lowered position comprises torque applied by the motor to lift the seat back and torque applied by the spring mechanism to lift the seat back.

178. The seat system of Claim 168 wherein movement of the seat back from the fully- reclined position comprises torque applied by the motor to move the seat back to the center position.

179. The seat system of Claim 1 wherein movement of the seat back from the fully- reclined position comprises torque applied by the motor to lift the seat back.

180. The seat system of Claim 1 wherein movement of the seat back from the fully- reclined position comprises torque applied by the motor to lift the seat back toward a center position.

181. The seat system of Claim 1 wherein movement of the seat back from the fully- reclined position comprises torque applied by the motor to lower the seat back.FIP 24048-PCT-US-02182. The seat system of Claim 1 wherein movement of the seat back from the fully- reclined position comprises torque applied by the motor to lower the seat back and torque applied by the spring mechanism to lift the seat back.

183. The seat system of Claim 31 wherein the seat assembly comprises a component for a vehicle interior.

184. The seat system of Claim 183 wherein the component comprises an armrest.

185. The seat system of Claim 183 wherein the component comprises a compartment.

186. The seat system of Claim 183 wherein the component comprises a tray / surface.

187. The seat system of Claim 183 wherein the component comprises a seat.

188. The seat system of Claim 183 wherein the component comprises a center seat.

189. The seat system of Claim 47 wherein the gear mechanism comprises a gear configured to guide movement of the seat back comprising gear teeth in a region providing for movement in the range of motion and a feature at an end of the region configured to stop movement at an end of the range of motion; wherein the feature comprises a stop and / or a locking region and / or a non-toothed section and / or a flattened section and / or a flattened section adjacent to a curved region and / or a locking region configured to prevent further movement and / or a retaining area.

190. The seat system of Claim 47 wherein the gear mechanism comprises a gear plate having a locking region in which the gear teeth are replaced by a flattened or non-toothed section, the locking region being configured to engage a corresponding blocking feature or region to prevent further movement of the seat back at a predetermined angular position.

191. The seat system of Claim 190 wherein the gear plate comprises at least one blocking area formed by an interruption or modification of the gear teeth at an end of its rotational range, such that when the seat back or armrest reaches a selected angle, the blocking area abuts against a stop or locking portion of a meshing component, thereby mechanically preventing further rotation.

192. The seat system of Claim 190 wherein the profile of the gear mechanism is configured such that a flattened section, locking curve, or similarly modified geometry at the periphery of the gear interacts with a complementary locking area of an adjacent gear or plate to hold the seat back or armrest securely at a designated blocking position.FIP 24048-PCT-US-02193. A component configured for a seat of a vehicle comprising: a seat base; a backrest connected to the seat base; and a pivot connection between the seat base and the backrest; wherein the pivot connection comprises a mechanism.

194. The component of Claim 193 wherein the pivot connection comprises an electric motor operatively connected to the mechanism and wherein the pivot connection is configured to provide a centric folding mechanism.

195. The component of Claim 193 wherein the mechanism is configured to pivot the backrest from a first position, serving as a backrest to a second position serving as an armrest.

196. The component of Claim 193 wherein the backrest comprises a functional carrier, a functional insert and a substrate, wherein at least one of the functional carrier and the substrate comprises a cushioning material for enhanced comfort in at least one of the backrest and / or armrest position.

197. The component of Claim 193 wherein the pivot movement is configured to fold up / down the backrest without eccentricity.

198. The component of Claim 193 wherein the mechanism comprises a base plate coupled to the seat base and a side plate coupled to the backrest.

199. The component of Claim 193 wherein the mechanism comprises motor interface coupled to the motor.

200. The component of Claim 194 wherein the mechanism comprises a first and a second gear plate, wherein each gear plate comprises a locking area and teeth with a locking curve.

201. The component of Claim 194 wherein the motorized centric folding mechanism comprises a locking mechanism to secure the backrest in a reclined position and secure the armrest in an armrest position.

202. The motorized centric folding mechanism of Claim 194, wherein the locking mechanism is automatically engaged when the armrest reaches the recliner position.

203. The mechanism of Claim 200 wherein the locking area of the first gear plate is configured to engage with the locking area of the second gear plate, wherein the engagement comprises a frictional locking connection.FIP 24048-PCT-US-02204. The component of Claim 198 wherein the side plate comprises an end-stop.

Citation Information

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