Child vehicle seat system

Abstract

A child restraint system that can be positioned on a vehicle seat includes a support base and a belt tensioner mounted on the support base. The belt tensioner is movable between an open position and a closed position to apply tension to the vehicle belt associated with the vehicle seat. The child seat mounted on the support base is rotatable relative to the support base. The belt tensioner prevents the child seat from rotating relative to the support base when the belt tensioner is in the open position.

Description

Technical Field

[0001] Cross - reference to Related Applications This application claims the benefit of U.S. Patent Application No. 63 / 493,209, filed Mar. 30, 2023; U.S. Patent Application No. 63 / 504,057, filed May 24, 2023; U.S. Patent Application No. 63 / 509,465, filed Jun. 21, 2023; U.S. Patent Application No. 63 / 520,247, filed Aug. 17, 2023; U.S. Patent Application No. 63 / 582,425, filed Sep. 13, 2023; U.S. Patent Application No. 63 / 590,589, filed Oct. 16, 2023; U.S. Patent Application No. 63 / 607,890, filed Dec. 8, 2023; U.S. Patent Application No. 63 / 613,033, filed Dec. 20, 2023; and U.S. Patent Application No. 63 / 621,729, filed Jan. 17, 2024, the entire contents of each of which are incorporated herein by reference.

[0002] Embodiments of the present disclosure relate to the technical field of child restraint systems for use in vehicles, and more particularly, to a support base of a child restraint system.

Background Art

[0003] Child restraint systems are designed to protect children from injury or death in vehicle collisions. Existing child restraint systems generally include a base portion and a seat portion removably installed on the base portion. When securing the child restraint system to a vehicle using a lower anchor or vehicle belt, the base portion must be adjusted to an appropriate reclining angle. In addition, depending on the type of seat being used, the seat can be positioned in either a forward - facing or rear - facing orientation.

Summary of the Invention

[0004] According to one embodiment, a child restraint system that can be positioned on a vehicle seat includes a support base and a belt tensioner mounted on the support base. The belt tensioner is movable between an open position and a closed position to apply tension to a vehicle belt associated with the vehicle seat. The child seat mounted on the support base is rotatable relative to the support base. The belt tensioner prevents the child seat from rotating relative to the support base when the belt tensioner is in the open position.

[0005] In addition to, or as an alternative to, one or more of the features described above, in further embodiments, the child seat is rotatable relative to the support base between a rear-facing configuration and a forward-facing configuration. The child seat is in a rear-facing configuration when the belt tensioner is in the open position.

[0006] In addition to, or as an alternative to, one or more of the features described above, in further embodiments, the belt tensioner is movable from a closed position to an open position only when the child seat is in a rear-facing configuration.

[0007] In addition to or as an alternative to one or more of the features described above, in further embodiments, the support base includes a base anchor member, and the child seat includes a seat anchor member. The base anchor member is connectable to the seat anchor member when the child seat is in a rear-facing configuration.

[0008] In addition to or alternative to one or more of the features described above, in further embodiments, the child seat includes a seat portion having a notch formed in the leading edge of the seat portion. A belt tensioner is positioned within the notch when the belt tensioner is in the open position.

[0009] In addition to, or as an alternative to, one or more of the features described above, in further embodiments the support base includes a seat portion and a back portion. When the belt tensioner is in the closed position, it is receivable within an opening formed in the back portion.

[0010] In addition to or as an alternative to one or more of the features described above, in further embodiments, the belt tensioner has one or more tensioner ribs, and the back portion of the support base has one or more back ribs. When the belt tensioner is in the closed position, the vehicle belt is pressed against the one or more tensioner ribs and the one or more back ribs.

[0011] In addition to or as an alternative to one or more of the features described above, in further embodiments, the tilt of the child seat is adjustable relative to the support base.

[0012] In addition to or alternative to one or more of the features described above, in further embodiments, the support base includes a first base member and a second base member operably coupled to the first base member. The second base member is movable with respect to the first base member to adjust the tilt of the child seat.

[0013] In addition to or alternative to one or more of the features described above, in further embodiments, the belt tensioner is associated with a second base member.

[0014] In addition to or as an alternative to one or more of the features described above, in further embodiments, the child seat further includes a cup holder that is rotatably mounted on the child seat.

[0015] In addition to or as an alternative to one or more of the features described above, in further embodiments, the cup holder is rotatable to a plurality of predetermined positions.

[0016] In addition to or alternative to one or more of the features described above, in further embodiments, a belt guide is mounted on a support base to define a belt path insert. The belt guide works in conjunction with a belt tensioner to define the vehicle belt path.

[0017] In addition to or alternative to one or more of the features described above, in further embodiments, the cup holder and child seat include a fitting feature for temporarily holding the cup holder in a rotatable position.

[0018] In addition to or as an alternative to one or more of the features described above, in further embodiments, the cup holder includes a rotation limiting stop unit.

[0019] In addition to or alternative to one or more of the features described above, in further embodiments, the belt guide is rotatably mounted on a support base via a belt path insert.

[0020] In addition to or as an alternative to one or more of the features described above, in further embodiments, the belt tensioner further includes a frame having a latch for engaging with a connector on a support base and an actuator operably coupled to the latch.

[0021] In addition to or as an alternative to one or more of the features described above, in further embodiments, the actuator is rounded.

[0022] According to one embodiment, a child restraint system that can be positioned on a vehicle seat includes a support base and a child seat connected to the support base. The child seat is rotatable between a first rotational configuration and a second rotational configuration about an axis relative to the support base. A spin lock is operable to selectively lock the rotation of the child seat relative to the support base. At least one actuator is operably coupled to the spin lock. At least one actuator is operable to displace the spin lock between a locked position and an unlocked position in response to the application of a force away from the child seat.

[0023] In addition to, or alternatively to, one or more of the features described above, in a further embodiment, the spin lock includes a plurality of locking pins and the support base includes a plurality of locking sections. The plurality of locking pins engage with the plurality of locking sections when the spin lock is in the locked position, and the plurality of locking pins are disengaged from the plurality of locking sections when the spin lock is in the unlocked position.

[0024] In addition to, or alternatively to, one or more of the features described above, in a further embodiment, the plurality of locking pins are operably coupled to each other by a connecting link.

[0025] In addition to, or alternatively to, one or more of the features described above, in a further embodiment, at least one actuator includes a plurality of actuators, and each of the plurality of actuators is operably coupled to a corresponding one of the plurality of locking pins.

[0026] In addition to, or alternatively to, one or more of the features described above, in a further embodiment, each actuator is individually operable to disengage a plurality of locking pins from a plurality of locking sections.

[0027] In addition to, or alternatively to, one or more of the features described above, in a further embodiment, the plurality of actuators are simultaneously operable to disengage a plurality of locking pins from a plurality of locking sections.

[0028] In addition to, or alternatively to, one or more of the features described above, in a further embodiment, the support base further includes a first base member and a second base member operably coupled to the first base member. The bottom of the child seat is receivable within the second base member. The plurality of locking sections are formed in the second base member.

[0029] In addition to one or more of the features described above, or alternatively, in a further embodiment, the second base member includes a hook, and the bottom of the child seat further includes a lip. The hook is engaged with the lip to define the rotation path of the child seat.

[0030] In addition to one or more of the features described above, or alternatively, in a further embodiment, the lip is formed by a ring attached to the child seat via at least one fastener.

[0031] In addition to one or more of the features described above, or alternatively, in a further embodiment, the lip is formed by a ring pinned to the child seat.

[0032] In addition to one or more of the features described above, or alternatively, in a further embodiment, the spin lock includes a plurality of lock members, and each of the plurality of lock members includes one of a plurality of lock pins. The plurality of lock members are operatively coupled by a plurality of connecting straps.

[0033] In addition to one or more of the features described above, or alternatively, in a further embodiment, the child seat is rotatable 180 degrees between a first rotation configuration and a second rotation configuration.

[0034] In addition to one or more of the features described above, or alternatively, in a further embodiment, the first rotation configuration is a forward-facing configuration, and the second rotation configuration is a rear-facing configuration.

[0035] In addition to one or more of the features described above, or alternatively, in a further embodiment, at least one actuator is positioned on the child seat to receive a rotational force from a user, and the child seat is rotatable between a first rotation configuration and a second rotation configuration in response to the application of the rotational force.

[0036] In addition to or alternative to one or more of the features described above, further embodiments include a secondary lock operably coupled to at least one actuator and movable relative to a support base. The at least one actuator is operable to displace the spin lock between a locked position and an unlocked position only when the secondary lock is disengaged from the support base.

[0037] According to one embodiment, a child restraint system that can be positioned on a vehicle seat includes a support base including a base seat portion and a base back portion, and a child seat connected to the support base. The child seat includes a seat back portion. The child seat having the seat back portion is movable along an inclined path relative to the support base between a first position and a second position. The base back portion is movable together with the child seat including the seat back portion along the inclined path.

[0038] In addition to or alternative to one or more of the features described above, in further embodiments, the child seat is rotatable relative to the support base at any position of the child seat along the inclined path between the first position and the second position.

[0039] In addition to or alternative to one or more of the features described above, in further embodiments, the child seat is rotatable relative to the support base at any position of the child seat along an inclined path.

[0040] In addition to or alternative to one or more of the features described above, in further embodiments, the child seat is rotatable relative to the support base. The child seat is movable along an inclined path when the child seat is in both the first and second rotation configurations.

[0041] In addition to or as an alternative to one or more of the features described above, in further embodiments, the support base includes a base anchor member, and the child seat includes a seat anchor member. The base anchor member is connectable to the seat anchor member when the child seat is in a first rotation configuration.

[0042] In addition to or alternative to one or more of the features described above, in further embodiments, the base anchor member can be connected to the seat anchor member at any position on the child seat along the inclined path.

[0043] In addition to or as an alternative to one or more of the features described above, further embodiments include a reclining lock mechanism for selectively locking the movement of the child seat in a position along an inclined path.

[0044] In addition to or alternative to one or more of the features described above, in further embodiments, the support base includes a first base member and a second base member operably coupled to the first base member. The second base member forms the base back portion of the support base.

[0045] In addition to or alternative to one or more of the features described above, in further embodiments, the reclining lock mechanism includes at least one reclining pin, and the first base member includes a plurality of locking openings. The at least one reclining pin engages with the locking openings of the plurality of locking openings when the reclining lock mechanism is in the locked position, and the at least one reclining pin is disengaged from the locking openings of the plurality of locking openings when the reclining lock mechanism is in the unlocked position.

[0046] In addition to or alternative to one or more of the features described above, in further embodiments, at least one reclining pin includes a plurality of reclining pins. The plurality of reclining pins are operably coupled to one another by pivot links.

[0047] In addition to or alternative to one or more of the features described above, in further embodiments, at least one actuator is operably coupled to the reclining lock mechanism. The at least one actuator is operable to displace the reclining lock mechanism between a locked position and an unlocked position.

[0048] According to one embodiment, a method for installing a vehicle belt of a vehicle seat around a child restraint system includes positioning the vehicle belt along a belt receiving path of a support base, moving a belt tensioner relative to the support base to apply tension to the vehicle belt along the belt receiving path, and adjusting the inclination of the back portion of the support base relative to the vehicle seat to increase the tension in the vehicle belt.

[0049] In addition to or alternative to one or more of the features described above, in further embodiments, adjusting the inclination includes moving a second base member of the support base along an inclination path relative to a first base member of the support base. The second base member forms the rear portion of the support base.

[0050] In addition to or alternative to one or more of the features described above, in further embodiments, adjusting the inclination includes unlocking a reclining locking mechanism that connects a second base member to a first base member.

[0051] In addition to or as an alternative to one or more of the features described above, in further embodiments, adjusting the incline includes increasing the incline of the back portion.

[0052] In addition to or alternative to one or more of the features described above, further embodiments involve moving the belt tensioner relative to the support base, and then rotating the child seat relative to the support base to apply tension to the vehicle belt.

[0053] According to one embodiment, a child restraint system that can be positioned on a vehicle seat includes a support base and a child seat connected to the support base. The child seat is rotatable about an axis relative to the support base. A spin lock selectively locks the rotation of the child seat relative to the support base. An indicator is associated with the spin lock. The indicator is movable in response to the movement of the spin lock between the locked and unlocked positions in order to visually indicate to the user when the spin lock is in the locked position and when the spin lock is in the unlocked position.

[0054] In addition to or alternative to one or more of the features described above, in further embodiments, the indicator includes a first indicator section operable to visually indicate when the spinlock is engaged, and a second indicator section operable to visually indicate when the spinlock is disengaged.

[0055] In addition to or alternative to one or more of the features described above, in further embodiments, the indicator is isolated from the spinlock.

[0056] In addition to or as an alternative to one or more of the features described above, in further embodiments, the indicator is rotatably mounted on a support base.

[0057] In addition to or alternative to one or more of the features described above, further embodiments include a biasing mechanism operably coupled to the indicator for biasing the indicator toward the position associated with when the spinlock is disengaged.

[0058] In addition to or alternative to one or more of the features described above, in further embodiments, the spinlock opposes the biasing force of the biasing mechanism when the spinlock is engaged.

[0059] In addition to or alternative to one or more of the features described above, in further embodiments, the spinlock includes a plunger operably coupled to the spinlock. The plunger is a visual indicator visible on the support base to visually indicate that the spinlock is engaged.

[0060] In addition to or as an alternative to one or more of the features described above, in further embodiments, the plunger is part of the spinlock.

[0061] In addition to or alternative to one or more of the features described above, in further embodiments, the plunger is positioned within a window formed in the support base when the spinlock is engaged.

[0062] In addition to or alternative to one or more of the features described above, in further embodiments, the plunger is separated from the window formed in the support base when the spin lock is disengaged.

[0063] In addition to or alternative to one or more of the features described above, in further embodiments, a support base in the window is a second indicator.

[0064] In addition to or alternative to one or more of the features described above, in further embodiments, the absence of a plunger within a window formed in the support base is a visual indicator that the spinlock is in the unlocked position.

[0065] According to one embodiment, the child restraint system includes a child seat having a seat portion and a back portion including at least one upright side member. The seat portion and the back portion define an interior for receiving an occupant. At least one seat bolster is positioned on at least one upright side member. The width of the interior for receiving an occupant is reduced by at least one seat bolster.

[0066] In addition to or alternative to one or more of the features described above, in further embodiments, at least one seat bolster is positioned internally, close to the occupant's waist.

[0067] In addition to or alternative to one or more of the features described above, in further embodiments, at least one seat bolster is formed integrally with the seat portion.

[0068] In addition to or alternative to one or more of the features described above, in further embodiments, at least one sheet bolster is formed from a material different from that of the sheet portion.

[0069] In addition to or alternative to one or more of the features described above, in further embodiments, the sheet portion includes a first sheet side member and a second sheet side member, and at least one sheet bolster extends upward from the sheet portion and terminates above or below at least one of the first sheet side member and the second sheet side member.

[0070] In addition to or alternative to one or more of the features described above, in further embodiments, at least one sheet bolster is tapered in thickness in the forward direction.

[0071] In addition to or alternative to one or more of the features described above, in further embodiments, at least one sheet bolster is formed from a rigid material.

[0072] In addition to or alternative to one or more of the features described above, in further embodiments, at least one seat bolster is a structural component associated with the child seat.

[0073] According to one embodiment, the child seat includes a seat back and a headrest movably coupled to the seat back. The headrest includes an actuator, a first locking member, and a second locking member. The first locking member is engageable with the seat back to lock the headrest against the seat back. The first locking member is movable between a locked position and an unlocked position. The second locking member is configured to disengage the first locking member from the seat back. The second locking member is movable between a second member locked position and a second member unlocked position. A coupling member operably couples the actuator with at least one of the first locking member and the second locking member. When the second locking member is in the second member unlocked position, the first locking member is in the unlocked position, and when the second locking member is in the second member locked position, the first locking member is in the unlocked position.

[0074] In addition to or alternative to one or more of the features described above, in further embodiments, when the connecting member is actuated, the first locking member is displaced to the unlocked position, the second locking member is displaced to the second member unlocked position, and the first and second locking members are displaced simultaneously.

[0075] In addition to or as an alternative to one or more of the features described above, in further embodiments, the second locking member and connecting member are formed as a single, integrated part.

[0076] In addition to or alternative to one or more of the features described above, in further embodiments, the first locking member is translationally translatable relative to the second locking member between a locked position and an unlocked position.

[0077] In addition to or alternative to one or more of the features described above, in further embodiments, the first locking member is rotatable relative to the second locking member between a locked position and an unlocked position.

[0078] According to one embodiment, a rotatable child restraint system includes a support base having a plurality of locking openings and a child seat rotatable relative to the support base. A spinlock is configured to selectively lock the child seat and the support base against rotation. The spinlock includes at least one boss engaged with the locking openings of the plurality of locking openings, at least one locking pin extending between the at least one boss toward the rotation axis of the child seat, and at least one actuator configured to selectively release at least one boss from the locking openings of the plurality of locking openings. The at least one boss is rigidly coupled to the at least one actuator.

[0079] In addition to or alternative to one or more of the features described above, in further embodiments, at least one boss includes two bosses, at least one actuator includes two actuators, and at least one locking pin includes two locking pins, with each boss operably coupled to its respective actuator via its respective locking pin.

[0080] In addition to or as an alternative to one or more of the features described above, in further embodiments, the spinlock includes a connecting member pivotably coupled to a support base, and two locking pins are connected to the connecting member such that both bosses are retracted from each of the locking openings of a plurality of locking openings via rotation of the connecting member.

[0081] In addition to or alternative to one or more of the features described above, in further embodiments, at least one actuator and at least one boss are movable in the same direction to release at least one boss from the locking openings of a plurality of locking openings.

[0082] The following description should not be considered limiting in any sense. Similar elements are numbered similarly in the attached drawings. [Brief explanation of the drawing]

[0083] [Figure 1] This is a perspective view of a child restraint system according to one embodiment. [Figure 2] This is a side view of the child restraint system shown in Figure 1 in a forward-facing configuration, according to one embodiment. [Figure 3] This is a side view of the child restraint system in a rearward-facing configuration according to one embodiment of Figure 1. [Figure 4A] This is a perspective view of a portion of a headrest mechanism according to one embodiment. [Figure 4B] This is another perspective view of a part of the headrest mechanism according to one embodiment. [Figure 5] This is an exploded perspective view of the child restraint system shown in Figure 1, according to one embodiment. [Figure 6A] This is a side perspective view of a child car seat with a child restraint system according to one embodiment. [Figure 6B] This is a bottom perspective view of a child car seat with a child restraint system according to one embodiment. [Figure 7] This is a perspective view of a second base member of a support base according to one embodiment. [Figure 8A] This is a perspective view of a portion of a second base member of a support base including a belt tensioner, according to one embodiment. [Figure 8B] This is a detailed perspective cross-sectional view taken through the belt tensioner shown in Figure 8A, according to one embodiment. [Figure 9] This is a perspective view of a spin lock for a child car seat, according to one embodiment of a child restraint system. [Figure 10A] This is a plan view of the spin lock shown in Figure 9 in the locked position, according to one embodiment. [Figure 10B] This is a plan view of the spin lock shown in Figure 9 in the unlocked position, according to one embodiment. [Figure 11] This is a perspective view of another spinlock for a child car seat in a child restraint system, according to one embodiment. [Figure 12A]This is a plan view of the spinlock shown in Figure 11 in the locked position, according to one embodiment. [Figure 12B] This is a plan view of the spinlock shown in Figure 11 in the unlocked position, according to one embodiment. [Figure 13] This is a perspective view of a spin lock for a child car seat, according to one embodiment of a child restraint system. [Figure 14A] This is a plan view of the spinlock in the locked position according to one embodiment of Figure 13. [Figure 14B] This is a plan view of the spinlock in the unlocked position according to one embodiment. [Figure 15] This is a perspective view of a child seat spinlock, a child restraint system including a visual indicator, according to one embodiment. [Figure 16A] Figure 15 is a perspective view of a spinlock according to one embodiment, including a visual indicator for when the spinlock is in the locked position. [Figure 16B] Figure 15 is a perspective view of a spinlock according to one embodiment, including a visual indicator for when the spinlock is in the unlocked position. [Figure 17A] This includes various diagrams of the visual indicator of the child seat when the spin lock is in the locked position, according to one embodiment. [Figure 17B] The image includes various diagrams of the visual indicator of the child seat when the spin lock is in the unlocked position, according to one embodiment. [Figure 18A] This is a side view of a child restraint system having a child seat in a forward-facing, inclined position, according to one embodiment. [Figure 18B] This is a side view of a child restraint system having a child seat in a forward-facing reclining position, according to one embodiment. [Figure 19] This is a partial cross-sectional view of a support base including a reclining lock mechanism according to one embodiment. [Figure 20] This is a perspective view of the first base member of a support base according to one embodiment. [Figure 21A] This is a plan view of the reclining lock mechanism shown in Figure 20 in the locked position, according to one embodiment. [Figure 21B] This is a plan view of the reclining lock mechanism shown in Figure 20 in the unlocked position, according to one embodiment. [Figure 22A] This is a perspective view of a rear-facing child seat and release belt tensioner according to one embodiment. [Figure 22B] Another perspective view of a rear-facing child seat and release belt tensioner according to one embodiment. [Figure 23A] This is a perspective view of a second base member of a support base including a belt tensioner and a belt guide, according to one embodiment. [Figure 23B] This is an exploded perspective view of a belt guide according to one embodiment. [Figure 24] This is a plan view of a child car seat according to one embodiment. [Figure 25] This is a rear perspective view of the seat back portion of a child seat according to one embodiment. [Figure 26] This is a top perspective view of the seat support surface of a child seat according to one embodiment. [Figure 27A] This is a bottom view of a child seat including a flange according to one embodiment. [Figure 27B] This is a bottom view of the child seat shown in Figure 27A with the flange removed, according to one embodiment. [Figure 28] This is a side view of a child restraint system including an actuator with a secondary lock, according to one embodiment. [Figure 29A] This is a perspective view of a portion of a headrest mechanism according to one embodiment. [Figure 29B] This is a cross-sectional view of the headrest mechanism shown in Figure 29A, according to one embodiment. [Figure 30A] This is a side view of a child restraint system according to one embodiment, in a forward-facing and upright position. [Figure 30B]This is a side view of a child restraint system according to one embodiment, in a forward-facing and reclined position. [Figure 31A] Figure 30A is a top perspective view of a portion of the child restraint system. [Figure 31B] Figure 30A shows bottom perspective views of each part of the child restraint system. [Figure 31C] Figure 30A is a side view of a portion of the child restraint system. [Figure 32A] This is a bottom perspective view of a portion of a child restraint system according to one embodiment, with certain parts shown as transparent. [Figure 32B] This is a top view of a portion of a child restraint system according to one embodiment, with certain parts shown as transparent. [Figure 33] Figure 32A is a partial top view of the child restraint system, with specific parts shown schematically. [Figure 34A] This is a side perspective view of a child restraint system according to one embodiment. [Figure 34B] This is a front view of a child restraint system according to one embodiment. [Figure 34C] This is a top view of a child restraint system according to one embodiment. [Figure 35] This is a side perspective view of a child restraint system that interacts with a vehicle belt, according to one embodiment. [Figure 36A] Figure 35 is a top cross-sectional view of a portion of the child restraint system, showing a specific part in a schematic manner. [Figure 36B] This is a zoomed-in view of Figure 36A with the vehicle seatbelts omitted. [Figure 37A] This is a side view of a support base for a child restraint system according to one embodiment. [Figure 37B] Figure 37A is a zoomed-in view of the support base. [Figure 37C] Figure 37B is a bottom view of a portion of the support base shown. [Figure 38A] Figure 37B is an exploded view of a portion of the support base shown. [Figure 38B] Figure 37B is an exploded view of a portion of the support base shown. [Figure 38C] Figure 37B is an exploded view of a portion of the support base shown. [Figure 39A] This is a perspective view of a child restraint system, including an actuator mechanism associated with a headrest, according to one embodiment. [Figure 39B] This is a partially exploded perspective view of the child restraint system shown in Figure 39A, according to one embodiment. [Figure 40A] This is a rear perspective view of the headrest shown in Figure 39B, according to one embodiment. [Figure 40B] Figure 40A is a rear perspective view of the headrest in one embodiment, with the backing material of the headrest removed. [Figure 41A] This is a cross-sectional view of the locking mechanism of the headrest operating mechanism in the locked position according to one embodiment. [Figure 41B] This is a cross-sectional view of the locking mechanism shown in Figure 41A in the unlocked position, according to one embodiment. [Figure 42A] This is a cross-sectional view of the locking mechanism of the headrest operating mechanism in the locked position according to one embodiment. [Figure 42B] This is a cross-sectional view of the locking mechanism shown in Figure 42A in the unlocked position, according to one embodiment. [Figure 43A] This is a cross-sectional view of the locking mechanism of the headrest operating mechanism in the locked position according to one embodiment. [Figure 43B] This is a cross-sectional view of the locking mechanism shown in Figure 43A in the unlocked position, according to one embodiment. [Figure 44] This is another cross-sectional view of a locking mechanism according to one embodiment, having a first locking member that engages with a slot located on the back of a child seat. [Figure 45A] This is a side view of a child restraint system having a child seat including at least one reinforcing member, according to one embodiment. [Figure 45B] This is a front view of the child restraint system shown in Figure 45A, according to one embodiment. [Figure 45C] This is a front perspective view of the child restraint system shown in Figure 45A, according to one embodiment. [Figure 46] This is a rear view of the headrest of the child restraint system shown in Figure 45A, according to one embodiment. [Figure 47A] This is a rear view of the support base of a child restraint system including a storage compartment, according to one embodiment. [Figure 47B] This is a rear view of the support base of Figure 47A, including a cover positioned on the storage compartment, according to one embodiment. [Figure 48] This is a perspective view of a spinlock according to one embodiment. [Figure 49A] This is a top perspective view of a child seat including the spin lock shown in Figure 48 in the locked position, according to one embodiment. [Figure 49B] This is a top perspective view of a child seat including the spin lock shown in Figure 48 in the unlocked position, according to one embodiment. [Figure 50A] This is a side perspective view of a child seat including the spin lock shown in Figure 48 in the locked position, according to one embodiment. [Figure 50B] This is a top perspective view of a child seat including the spin lock shown in Figure 48 in the unlocked position, according to one embodiment. [Figure 51] This is a top perspective view of a support base including at least one opening associated with a spin lock, according to one embodiment. [Modes for carrying out the invention]

[0084] A detailed description of one or more embodiments of the disclosed apparatus and methods is presented herein, illustratively and not limitingly, with reference to the figures.

[0085] Referring next to Figure 1, an example of a child restraint system 20 is illustrated in one embodiment. The child restraint system 20 includes a support base 22 that can be detachably fastened to a vehicle seat 10 (see Figures 2 and 3), such as via a latch or anchor mechanism 502 (see Figure 47A). This latch or anchor system, which is often used, is sometimes referred to as a “lower anchor and tether for children,” for example, a LATCH system. Alternatively, or in addition, as will be described in more detail below, the support base 22 may be detachably fastened to the vehicle seat 10 via a vehicle belt associated with the vehicle seat 10.

[0086] The child restraint system 20 additionally includes a rigid child seat 24 connected to a support base 22. In one embodiment, the child seat 24 is detachably coupled to the support base 22, thereby allowing the child seat 24 to be separated from the support base 22. Alternatively, the support base 22 and the child seat 24 may be permanently connected or fixed together. As used herein, the term “permanently connected” refers to embodiments in which the child seat 24 is not intended to be disassembled from the support base 22 by the user.

[0087] The child seat 24 may include a seat portion 26 and a seat back or upright portion 28 positioned at an angle to the seat portion 26. The seat portion 26 and the seat back portion 28 may be detachably coupled, or alternatively, permanently coupled. In the non-limiting embodiments illustrated, the seat portion 26 and the seat back portion 28 are formed integrally as a single unit. In another alternative embodiment, the seat back portion 28 may be rotatably connected to the seat portion 26 so that the seat back portion 28 can tilt and recline relative to the seat portion 26.

[0088] As shown, the seat back portion 28 of the child seat 24 generally faces forward and includes an upright support surface 30 extending from a first end or top 32 to a second opposite end or bottom 34 of the upright portion. A first upright side member 36 may be positioned on the first side 38 of the upright support surface 30, and a second upright side member 40 may be positioned on the second side 42 opposite to the upright support surface 30. Thus, the first upright side member 36 and the second upright side member 40 form the left and right sides of the seat back portion 28, respectively. As shown, the first upright side member 36 and the second upright side member 40 extend forward from the upright support surface 30. The first upright side member 36 and the second upright side member 40 may extend substantially perpendicular to the upright support surface 30, or alternatively, they may extend from it at a different angle, such as an angle greater than 90°. Therefore, the upright support surface 30 and the first upright side member 36 and the second upright side member 40 define a backrest area or upright support cavity 44 inside which the child's upper body is received.

[0089] In the non-limiting embodiments illustrated, the seat back portion 28 of the child seat 24 includes a headrest 46. The headrest 46 is attached to or integrated with the seat back portion 28. The headrest 46 may be stationary, or in some embodiments, it may be configured to move relative to the upright support surface 30. For example, the headrest 46 may be configured to translate relative to the upright support surface 30 between a retracted position and an extended position, allowing for adjustment based on the size of the child positioned in the child seat 24. Referring to Figures 4A and 4B, a mechanism 45 for controlling the movement of the headrest 46 is illustrated. As shown, a ratchet or teeth 47 extending from a bracket 48 connected to the headrest 46 is spring-biased to engage with one of a plurality of openings 49 formed in an adjacent channel 51 mounted in the seat shell 25. This engagement between the teeth 47 and the corresponding opening 49 restricts the movement of the headrest 46 relative to the seat shell 25. The user can apply force to the bracket 48 to counteract the biasing of the teeth 47 and selectively disengage the teeth 47 from the opening 49, thereby allowing the headrest to move between multiple positions.

[0090] In another embodiment shown in Figures 29A to 29B, the headrest 46 is again configured to engage with one of a plurality of openings 49 formed in an adjacent channel 51, such as being mounted on the seat shell 25. However, as shown, instead of the bracket 48, the track 61 is coupled to the headrest 46 and movable with it toward one or more channels 51. As shown, the headrest 46 itself may include projections or hook teeth 63 that cooperate with a portion of the headrest track 61 to couple the headrest track 61 to the headrest 46. As shown, the headrest track 61 may be held between the surface of the headrest 46 and the hook teeth 63.

[0091] Referring next to Figures 39A to 44, an example of a child restraint system 20 including an actuation mechanism 400 associated with the movement of a headrest 46 relative to a child seat 24 is illustrated. The actuation mechanism 400 may include at least one coupling member 406a, 406b (Figures 40A and 40B) positioned in alignment with a plurality of openings or slots 404 located in the seat back portion 408 of the seat shell 25. In one embodiment, the openings or slots 404 are formed in channels 402 (see Figure 39B) located in the seat shell 25 of the child seat 24. As shown, the actuation mechanism 400 includes a first coupling member 406a positioned near a first side portion 412 of the back portion 410 of the headrest 46, and a second coupling member 406b positioned near a second side portion 414 on the opposite side of the back portion 410 of the headrest 46. However, embodiments including only a single connecting member, or alternatively, more than two connecting members, are within the scope of this disclosure.

[0092] The operating mechanism 400 additionally includes an actuator 416, such as a handle, which is located outside the headrest 46 for user access. In the non-limiting embodiments illustrated, the actuator 416 is located on or adjacent to the upper part 418 of the headrest 46. The actuator 416 may be accessible from the front of the headrest (Figure 39B) or via the back of the headrest 46 (see Figure 46). At least one coupling member 406a, 406b is operably coupled to at least one actuator 416. As shown, the first end of each of the plurality of coupling members 406a, 406b is connected to the actuator or, in some embodiments, is formed integrally with the actuator.

[0093] Each locking mechanism 420a, 420b may be associated with each connecting member 406a, 406b to selectively engage with one or more of the multiple openings 404 of the adjacent channel 402. Thus, in the non-limiting embodiments illustrated, the first locking mechanism 420a may be operably connected to the first connecting member 406a, and the second locking mechanism 420b may be operably connected to the second connecting member 406b.

[0094] Examples of each locking mechanism 420a, 420b are illustrated in Figures 41A to 43B. As shown, each locking mechanism 420a, 420b may include a first locking member 422 operably coupled to a second locking member 424. In the non-limiting embodiments illustrated, the second locking member 424 may be located at the distal end of the connecting members 406a, 406b or may be formed integrally with the distal end of the connecting members 406a, 406b. The first locking member 422 includes a feature portion 426 movably coupled to the second locking member 424 and configured to engage with a corresponding opening 404 in the channel 402. For example, a biasing mechanism 428, such as a spring, may be configured to bias the first locking member 422 to engage with one of a plurality of openings or slots 404 formed in adjacent channels 402 mounted on the seat shell 25. This engagement between the first locking member 422 and the corresponding slot 404 restricts the movement of the headrest 46 relative to the seat shell 25.

[0095] The first locking member 422 is disengaged from its respective opening 404 in response to the application of a force F to the handle 416. Once disengaged, the headrest 46 is movable relative to the child seat 24. When the user operates the handle 416 of the headrest 46, a force F is applied to at least one connecting member 406 operably coupled to it, displacing at least one connecting member 406 from a locked position to an unlocked position. This movement of at least one connecting member 406a, 406b relative to the headrest 46 to the unlocked position counteracts the biasing force of the biasing mechanism 428.

[0096] In one embodiment, moving the second locking member 424 to the unlocked position, for example by applying force to the actuator 416, simultaneously moves the first locking member 422 from the locked position (41A, 42A, 43A) to the unlocked position (41B, 42B, 43B). Thus, the connection between the first locking member 422 and the second locking member 424 results in the first locking member 422 being in the same configuration (locked or unlocked) as the second locking member 424. For example, when the first locking member 422 is in the locked configuration, the second locking member 424 is also in the locked configuration, and when the first locking member 422 is in the unlocked configuration, the second locking member 424 is also in the unlocked configuration.

[0097] An example of the interface between the first locking member 422 and the second locking member 424 is shown in Figures 41A and 41B. In the non-limiting embodiments illustrated, the second locking member 424 has a groove or recess 430 formed internally, for example, near the end 432 of the second locking member 424. The first locking member 422 may include a locking mechanism 434, for example, a projection. The first locking member 422 may be pivotably mounted on the structure of the headrest 46 such that the locking mechanism 434 is positioned within the recess 430 formed in the second locking member 424. When the second locking member 424 moves vertically upward in response to the application of force to the actuator 416, the engagement between the locking mechanism 434 and the recess 430 disengages from the slot 404, causing the first locking member 422 to pivot about its axis. Similarly, when the actuator 416 is released, the biasing force of the biasing mechanism 428 applies a downward force to the second locking member 424, and the engagement between the locking mechanism 434 and the recess 430 causes the first locking member 422 to pivot around its axis and engage with the adjacent slot 404.

[0098] However, in other embodiments, as shown in Figures 42A to 42B, the first locking member 424 may be pivotably mounted on the structure of the headrest 46 and directly pivotably coupled to the second locking member 424. In such embodiments, moving the second locking member 424 upward toward the unlocked position causes the first locking member 422 to disengage from the slot 404 and pivot around both axes. Furthermore, the movement of the second locking member 424, driven downward toward the locked position by the biasing mechanism 428, causes the first locking member 422 to pivot around both axes and engage with the adjacent slot 404.

[0099] For example, yet another example of a locking mechanism, such as locking mechanism 420a or 420b, is illustrated in Figures 43A and 43B. As shown, the second locking member 424 may have a slot 436 formed inside, and the first locking member 422 is slidably coupled to the second locking member 424 via the slot 436. When the second locking member 424 moves upward, the first locking member 422 is configured to translate relative to the second locking member 424 via the slot 436. Because the slot 436 is positioned at an oblique angle with respect to the seat back 408, when the second locking member 424 moves upward, the first locking member 422 translates out of engagement with the slot 404. When the second locking member 424 moves downward, such as in response to the biasing force of the biasing mechanism 428, the first locking member 422 translates laterally to engage with the corresponding slot 404. The various embodiments of the locking mechanisms 420a, 420b illustrated and described herein are intended to be examples only, and it should be understood that locking mechanisms having other configurations, such as the first locking member 422 being configured to pivot and translate between a locked position and an unlocked position, are within the scope of this disclosure.

[0100] Referring to Figure 24, one or more bumpers or side impact pods 250 designed to absorb forces in an accident or collision event may be positioned outside the seat back portion 28 of the seat shell 25. While the side impact pods are illustrated as being positioned near the top 32 of the seat back portion 28, it should be understood that they may be positioned in any preferred location. In the non-limiting embodiments illustrated, a first side impact pod 250 covers from the back surface 53 of the seat back portion 28 to the outer surface of a first upright side member 36, and a second substantially identical impact pod 250 covers from the back surface 53 around the outer surface of a second upright side member 40. However, it should be understood that embodiments in which the impact pads 250 are positioned on the back surface 53 or upright side members 36, 40 are also contemplated herein. Continuing to refer to Figure 24, the pocket 55 may be formed in the seat shell 25, for example, in the seat back portion 28 of the seat shell 25. In the non-limiting embodiments illustrated, the pocket 55 is formed on the back surface 53 and is sized to receive an instruction manual associated with the child restraint system 20.

[0101] The sheet portion 26, best shown in Figure 23, generally faces upward and includes a sheet support surface 50 extending from a first end or front portion 52 to a second end or rear portion 54 of the sheet portion. A first sheet side member 56 can be positioned on the first side 58 of the sheet support surface 50, and a second sheet side member 60 can be positioned on the second side 62 opposite the sheet support surface 50. The first and second sheet side members 56 and 60 extend upward from the left and right sides of the sheet portion. The sheet support surface 50, along with the first and second sheet side members 56 and 60, together define an area 64 in which at least a portion of a child's lower body can be accommodated.

[0102] As shown, the first sheet side member 56 and the second sheet side member 60 extend from the sheet support surface 50 at a certain angle. The angle of the first sheet side member 56 with respect to the sheet support surface 50 may be the same as, but does not have to be, the same as, the angle of the first upright side member 36 with respect to the upright support surface 30. Similarly, the angle of the second sheet side member 60 with respect to the sheet support surface 50 may be the same as, but does not have to be, the same as, the angle of the second upright side member 40 with respect to the upright support surface 30. In one embodiment, the first upright side member 36 and the first sheet side member 56 are integrally formed, and the second upright side member 40 and the second sheet side member 60 are integrally formed.

[0103] Although not generally shown, the child seat 24 additionally includes a harness assembly for restraining the child within the child seat 24. A typical harness assembly includes two shoulder straps that can be connected via buckles to at least one crotch strap. Referring to Figure 26, in one embodiment, an opening 69 formed in the seat portion 26 of the child seat 24 and associated with the crotch strap of the harness assembly may have a substantially H shape. By configuring the opening 69 in this way, the crotch buckle can be easily adjusted between a front position and a rear position relative to the seat support surface 50.

[0104] The support base 22 for mounting the child seat 24 includes a base body having a base seat portion 72 and a base back portion 74. Suitable materials for fabricating the base body include, but are not limited to, rigid plastics or composite materials. The base seat portion 72 and the base back portion 74 may be formed integrally as a single unit, or alternatively, may be formed by separate components that are detachably or permanently connected together. Referring to Figure 5, in an illustrated non-limiting embodiment, the support base 22 includes a first base member 76 having a bottom surface 78 suitable for placement on a support surface such as a vehicle seat 10, and a second base member 80 coupled to the first base member 76. In an illustrated non-limiting embodiment, at least a portion of the second base member 80 is positioned in a configuration that overlaps with the upper surface 82 of the first base member 76. In the embodiment shown in the figure, the base back portion 74 of the support base 22 is formed solely by the second base member 80, and the base seat portion 72 of the support base 22 is formed by a combination of the first base member 76 and the second base member 80.

[0105] Referring to Figures 47A and 47B, the storage compartment 500 may be formed in part of the support base 22. While the storage compartment 500 is illustrated as being formed only within the second base member 80, embodiments in which the storage compartment 500 is formed only within the first base member 76, or alternatively, formed by a combination of the first base member 76 and the second base member 80, are also within the scope of this disclosure. In one embodiment, one or more latches 502 for attaching the child seat system 20 to a vehicle seat, such as a LATCH system, may be held within the storage compartment 500. As shown, the cover 504 may be movable relative to the support base 22 between an open position (Figure 47A) and a closed position (Figure 47B) to selectively seal the storage compartment 500. In one embodiment, the cover 504 is removable from the support base 22. However, in other embodiments, the cover 504 may be movably coupled to the support base 22, for example, pivotally or hinged, so that the cover 504 remains mounted on the support base when the cover 504 is in both the open and closed positions.

[0106] As shown, the child seat 24 may be mounted directly to the second base member 80. For example, the base seat portion 72 of the second base member 80 may include a contour or opening 84 (see Figure 7), and the bottom end 86 of the child seat 24 is positioned within the opening 84. In one embodiment shown in Figures 6A and 6B, for example, the bottom end 86 of the child seat 24, positioned below the seat portion 26 of the child seat, includes a flange 88 having an edge that is wound or otherwise shaped to form a lip or seat anchor 90. The second base member 80 may include one or more hooks or anchors 92 having corresponding curvatures configured to engage with the lip 90. In one embodiment best shown in Figure 27A, the flange 88 forming the lip 90 is a ring detachably coupled to the bottom of the child seat 24 via at least one fastener, and in some embodiments, by a plurality of fasteners 91. Eight screws are shown, but it should be understood that any preferred fasteners or couplers are within the scope of this disclosure. Furthermore, any number of fasteners or couplers, including single, two, three, four, five, six, seven, or more than eight fasteners, are contemplated herein. Alternatively, or in addition, one or more pins 93 embedded within the child seat 24 (see Figure 27B) may be used to attach the flange 88 to the child seat 24.

[0107] The child seat 24 may be rotatable with respect to the support base 22 between multiple configurations. In one embodiment, the child seat 24 is rotatable with respect to both a first base member 76 and a second base member 80 of the support base 22. For example, the engagement between a seat anchor 90 and a corresponding hook 92 formed on the second base member 80 may define the rotation path of the child seat 24 with respect to the support base 22. As shown in the figures, the child seat 24 is rotatable between a first rotation configuration, such as a configuration in which the child seat 24 is in a forward-facing position (Figure 2), and a second rotation configuration, such as a configuration in which the child seat 24 is in a rearward-facing position (Figure 3). However, it should be understood that embodiments in which the child seat 24 is positionable in one or more additional configurations between the first and second rotation configurations are also within the scope of this disclosure.

[0108] At least one base anchor member 94 may be fixedly connected to the base back portion 74 of the support base 22. In the non-limiting embodiments illustrated, the base anchor member 94 is mounted on and protrudes from a second base member 80 near its distal end 96. The base anchor member 94 is connectable to a corresponding seat anchor member 98 of the child seat 24. Such a seat anchor member 98 is typically located on the surface of the seat back portion 28 of the child seat 24 (e.g., behind the child's back), and therefore the base anchor member 94 is connectable to it when the child seat 24 is in a forward-facing configuration. As will be described in more detail below, the base anchor member 94 may also be connectable to the seat anchor member 98 regardless of the inclination angle of the child seat 24 relative to the support base 22. This connection between the base anchor member 94 and the seat anchor member 98 stabilizes the back portion 28 of the child seat 24. In such embodiments, the base anchor member 94 may not be connectable to the seat anchor member 98 when the child seat 24 is in a rearward-facing configuration. However, it should be understood that the base anchor member 94 may be suitable for use with a seat anchor member positioned at any location relative to the child seat 24.

[0109] The child restraint system 20 may include a spin lock 100 that can operate to selectively lock the child seat 24 to a support base 22 in one of a plurality of configurations. In the non-limiting embodiments illustrated, the spin lock 100 is located within the seat shell 25 of the child seat 24, such as within a portion of an end 86 that is receivable within the support base 22. Referring to the non-limiting embodiments shown in Figures 9 to 10B, the spin lock 100 includes a centrally positioned connecting link 102 that is rotatable about axis X. As shown, the connecting link 102 may have two end segments 104 that extend outward from there, disposed on opposite sides of the connecting link 102 with respect to the axis of rotation. Multiple locking pins, such as two locking pins 106, are connected to the connecting link 102. For example, the first end 108 of each locking pin 106 is connected to the respective end segment 104 of the connecting link 102. As shown, the locking pins 106 may extend in the opposite direction from the connecting link 102.

[0110] The locking pins 106 are displaceable between a first locked position (Figure 10A) in which the child seat 24 is not rotatable relative to the support base 22, and a second unlocked position (Figure 10B) in which the child seat 24 is freely rotatable relative to the support base 22. When each of the locking pins 106, and therefore the spin lock 100, is in the locked position, the second opposite end 110 of the locking pin 106 extends through an opening (not shown) formed in the seat shell 25 and engages with a corresponding locking section 112 (see Figure 7), such as a groove or slot formed in a portion of the support base. When the locking pins 106, and therefore the spin lock 100, is in the second unlocked position, the second end 110 of the locking pin 106 is separated from the locking section 112, allowing the child seat 24 to rotate relative to the second base member 80. In the non-limiting embodiments illustrated, a plurality of locking sections 112 are formed in the second base member 80. However, embodiments in which multiple lock sections 112 are formed on the first base member 76 are also intended herein.

[0111] In one embodiment, a biasing member (not shown), such as a torsion spring, is operably coupled to the connecting link 102 to bias the connecting link 102, and therefore the lock pin 106, to a first locked position. At least one actuator 114 is operably coupled to at least one of the lock pins 106. In an illustrated non-limiting embodiment, a plurality of actuators 114 are operably coupled to the spin lock 100. As shown, a first actuator 114a is operably coupled to a first lock pin 106, and a second actuator 114b is operably coupled to a second lock pin 106. Each actuator 114a, 114b may be independently or individually operated to displace the lock pin 106 from the locked position to the unlocked position. Alternatively, or in addition, the first actuator 114a and the second actuator 114b may be operated simultaneously to displace the lock pin 106 from the locked position to the unlocked position.

[0112] In the non-limiting embodiments illustrated, one or more actuators 114a, 114b are substantially identical and include a handle 116 positioned on the outer surface of the child seat 24. The handle 116 may be directly or indirectly connected to a locking pin 106. The user applies force to the handle 116 in order to operate the actuators 114a, 114b to move the locking pin 106 to the unlocked position. The handle 116 is illustrated to be pulled outward or pivoted when operated, but embodiments in which the handle 116 is moved in a different manner, such as being pushed inward or pivoted, are also within the scope of this disclosure. In response to an outward force applied to the handle 116, actuator 114a applies an opposing force to the first locking pin 106 coupled thereto. The inward movement or translation of the first locking pin 106 causes the connecting link 102 to rotate in a first direction about its axis X against the biasing of the biasing member. Since the second locking pin 106 is also coupled to the connecting link 102, the rotation of the connecting link 102 via the first locking pin 106 causes a similar inward movement of the second locking pin 106. Through this inward movement, the second ends 110 of both locking pins 106 are disengaged from the corresponding locking sections 112 of the support base 22. With the actuator 114a operated and the locking pins 106 disengaged from the locking sections 112, the user can then rotate the child seat 24 relative to the support base 22 to a desired rotational configuration.

[0113] When the child seat 24 reaches the desired rotation configuration, the user releases the actuators 114a and 114b. When the actuators 114a and 114b are released, the biasing force of the biasing member rotates the connecting link 102 and translates the lock pin 106 outward through an opening formed in the seat shell 25 and engages with the corresponding lock section 112 associated with the rotation configuration of the child seat 24.

[0114] Referring next to Figures 11 to 12B, another example of the spinlock 100 is illustrated. In the non-limiting embodiment illustrated, the spinlock 100 includes a plurality of locking members, such as a first locking member 120 pivotally mounted near a first side of the seat shell 25, and a second substantially identical locking member 120 pivotably mounted near a second opposite side of the seat shell 25. Each locking member 120 has a first connector 122 and a second connector 124 extending in different directions from a first, inward-facing side 126 of the locking member 120. A first connecting strap 128 extends and connects between the first connector 122 of the first locking member 120 and the second connector 124 of the second locking member 120. Similarly, a second connecting strap 128 extends and connects between the second connector 124 of the first locking member 120 and the first connector 122 of the second locking member 120.

[0115] The locking member 120 is displaceable between a first locked position (Figure 12A) in which the child seat 24 is not rotatable relative to the support base 22, and a second unlocked position (Figure 12B) in which the child seat 24 is freely rotatable relative to the support base 22. When each of the locking members 120 is in the locked position, a locking pin 130 protruding from its second or outward-facing surface 131 extends through an opening (not shown) formed in the seat shell 25 and engages with a corresponding locking section 112, such as a groove or slot formed in a portion of the support base 22. As described in previous embodiments or with respect to the spin lock 100, the locking section 112 may or may not be formed in the second base member 80. When the locking member 120 is in the second unlocked position, the locking pin 130 is separated from the locking section 112, allowing the child seat 24 to rotate.

[0116] For example, a biasing member, such as a torsion spring, is operably coupled to at least one or each of the locking members 120 to bias each locking member 120 to the locked position about its axis. Similar to the previous embodiment, actuators 114a, 114b, such as a handle 116, are operably coupled to each locking member 120, respectively. The first actuator 114a may be operably coupled to the first locking member 120, and the second actuator 114b may be operably coupled to the second locking member 120. Furthermore, each actuator 114a, 114b may be independently operable, or alternatively, or in addition, the actuators 114a, 114b may be operably operable to displace the locking pin 130 from the locked position to the unlocked position.

[0117] To unlock the child seat 24, the user applies a force, such as an outward force, to the handles 116 of the actuators 114a, 114b. However, it should be understood that the spin lock 100 may be adapted to a different type of movement of the actuator 114. The first locking member 120 is configured to rotate about its axis in response to the movement of the first actuator 114a. This rotation rotates the locking pin 130 inward, away from the locking section 112, and rotates the opposite portion of the locking member 120 outward. The connection between the first locking member 120 and the second locking member 120 via a plurality of connecting straps 128 imparts a similar rotational force to the second locking member 120. In the non-limiting embodiments illustrated, the first connector 122 is positioned near the first end 132 of the locking member 120, and the second connector 124 is positioned near the second end 134 of the locking member 120 and the locking pin 130. Therefore, when actuator 114a is operated, the first connector 122 rotates outward, thereby applying force to the second connector 124 of the second locking member 120 via the first connecting strap 128. This force acting on the second connector 124 of the second locking member 120 causes the second locking member 120 to pivot about its axis, thereby disengaging the locking pin 130 from the corresponding locking section 112. With actuator 114a in operation and the locking pin 130 disengaged from the locking section 112, the user can then rotate the child seat 24 relative to the support base to the desired rotational configuration.

[0118] When the child seat 24 reaches the desired rotation configuration, the user releases the actuator 114a. Upon release of the actuator 114a, the biasing force of the biasing member pivots the first locking member 120 to the locked position around its axis. In response to this rotation, the second connector 124 of the first locking member 120 transmits a force to the first connector 122 of the second locking member 120. This force pulls the first end 132 of the second locking member 120 inward, rotating the locking pin 130 of the second locking member 120 outward and engaging with the adjacent locking section 112 associated with its position on the child seat 24. It should be understood that the various configurations of the spinlock 100 illustrated and described herein are intended only as examples, and any suitable mechanism for selectively locking and unlocking the child seat 24 with respect to rotation around an axis relative to the support base 22 is within the scope of this disclosure.

[0119] Referring next to Figures 13 to 15B, alternative embodiments of the spinlock 100 are illustrated. In a non-limiting embodiment, the spinlock 100 is substantially identical to the spinlock illustrated and described with respect to Figures 9 to 10B, except that, unlike the embodiments shown in Figures 9 to 10B, the axis of rotation X of the connecting link 102 is coaxial with the axis of rotation of the child seat 24 relative to the support base 22. It should be understood that embodiments in which these axes are offset from each other, as shown in Figures 9 to 10B, are also within the scope of this disclosure.

[0120] Another example of the spinlock 300 is illustrated in Figures 48–51. Similar to the previous embodiment, the spinlock 300 is located within the seat shell 25 of the child seat 24, such as within a portion of the end 86 that is receivable within the support base 22. As shown, the spinlock 300 includes a centrally positioned connecting link 302 that is rotatable or pivotable about an axis X. The connecting link 302 may be mounted to the support base 22 via any preferred connecting mechanism, such as a pin or bolt, which allows the connecting link 302 to rotate freely about its axis. As shown, the connecting link 302 may have two end segments 304 extending outward from there, such as being located on opposite sides of the connecting link 302 with respect to the axis of rotation. For example, at least one locking pin, such as two locking pins 306, is connected to the connecting link 302. For example, the first end 308 of each locking pin 306 is connected to the respective end segment 304 of the connecting link 302. As shown, the lock pin 306 may extend in the opposite direction from the connecting link 302. Although the spin lock 300 is illustrated and described as having two lock pins, embodiments in which the connecting link 302 includes a single end segment 304 and / or only a single locking member 306 is operably coupled to the connecting link 302 are also within the scope of this disclosure.

[0121] Similar to the embodiments described previously, the locking pin 306 is displaceable between a first locked position (Figure 49A) in which the child seat 24 is not rotatable relative to the support base 22, and a second unlocked position (Figure 49B) in which the child seat 24 is freely rotatable relative to the support base 22. When each of the locking pins 306, and therefore the spin lock 300, is in the locked position, the second opposite end 310 of the locking pin 306, such as a boss located at the second end of the locking pin 306, extends through an opening (not shown) formed in the seat shell 25 and engages with a corresponding locking opening 312 (see Figure 51), such as a groove or slot formed in a portion of the support base. When the locking pin 306, and therefore the spin lock 300, is in the second unlocked position, the second end of the locking pin 306 or the boss 310 is separated from the locking opening 312, allowing the child seat 24 to rotate relative to the second base member 80. In the non-limiting embodiments illustrated herein, the multiple locking openings 312 are formed in the second base member 80. However, embodiments in which the multiple locking openings 312 are formed in the first base member 76 are also contemplated herein. Although not shown, a biasing member (not shown), such as a torsion spring, may be operably coupled to the connecting link 302 to bias the connecting link 302, and thus the locking pin 306, to a first locked position.

[0122] The actuator 314 is associated with at least one of the locking pins 306. In the non-limiting embodiments illustrated in Figures 48–51, the spinlock 300 includes each actuator 314 operably coupled to each of the locking pins 306. As shown, the actuator 314 may be formed integrally with the locking member 306 such that the actuator 314 and the locking pin 306 constitute a single unit. The actuator 314 may be positioned near the second end 310 of the locking pin 306 and may extend at an angle to the locking pin 306. While the actuator 314 is illustrated as being positioned perpendicularly above the locking pin 306, embodiments in which the actuator 314 is positioned at a different location relative to the locking pin 306, such as on the side of the locking pin 306, are also contemplated herein. The outward-facing surface 316 of the actuator 314 may be aligned perpendicularly to the second end 310 of the locking pin 306. In other embodiments, the outward-facing surface 316 may be further separated from the axis of the connecting link 302 than the second end 310. The actuator 314 is located within an opening 320 formed in the seat base 26 and, in some embodiments, extends through the opening 320. The actuator and the locking pin 306 may be movable in the same direction, such as the operating direction, to selectively disengage the boss 310 from their respective locking openings 312.

[0123] For example, when a force is applied to the actuator 314, such as in the direction toward the interior of the child seat 24, the actuator 314 and the locking pin 306 translate together laterally toward the axis. This translation disengages the boss 310 of the locking pin 306 from the corresponding locking opening 312 formed in the support base 22 and rotates the connecting member 302 about its axis. Since the locking members 306 are mounted symmetrically on the connecting member 302, the operation of one locking pin 306 results in the tandem movement of multiple locking members 306. Once the locking pin 306 is disengaged from the support base 22, the user can spin or rotate the child seat 24 relative to the support base 22. When the child seat 24 is in the desired rotational position, the force applied to the actuator 314 is released. In response to the removal of force, a biasing mechanism (not shown) operably coupled to the connecting member 302 biases the connecting member 302 around its axis and the locking pin 306 to the engaged position, thereby relocking the child seat 24 to the support base 22. The biasing force of the biasing mechanism prevents the child seat 24 from rotating when the actuator 314 of the spin lock 300 is not pressed.

[0124] However, it should be understood that embodiments in which the actuator 314 is positioned at a different location around the child seat 24, for example, near the front of the child seat 24, are also within the scope of this disclosure. In such embodiments, the actuator may be directly or indirectly coupled to the lock pin 306. In embodiments in which the actuator 314 is positioned near the front of the child seat, for example, near the occupant's feet, the position of the actuator 314 and / or the biasing force of the biasing mechanism associated with the connecting member 302 may be sufficient to prevent accidental unlocking of the spin lock 300 if the actuator 314 is kicked by the occupant.

[0125] Referring to Figures 15 to 17B, in one embodiment, the spin lock 100 may provide an additional visual indicator 200 to the operator of the child restraint system 20 to indicate, for example, whether a locking member, such as member 106 or 120, is engaged with the support base 22 so that the child seat 24 is locked against rotation relative to the support base 22, or whether the locking members 106, 120 are disengaged from the support base 22, thereby allowing rotation of the child seat 24. The visual indicator 200 is associated with the spin lock 100. In one embodiment, the visual indicator 200 is operably coupled to a portion of the spin lock 100, such as locking member 106, and is positioned generally aligned with a window 202 formed in a portion of the support base 22. A portion of locking member 106 may be configured to contact and apply force to the visual indicator 200 when, for example, locking member 106 moves from an engaged or locked position to a disengaged or unlocked position. However, embodiments in which the visual indicator 200 is movably coupled to a portion of the locking member 106, or is integrally formed with a portion of the locking member 106, are also within the scope of this disclosure.

[0126] In the non-limiting embodiments illustrated, the indicator 200 includes a first indicator section 204 having a first color, which is operable to indicate that the child seat 24 is rotatably locked relative to the support base 22, and a second indicator section 206 having a different color, which is operable to indicate that the child seat 24 is freely rotatable relative to the support base 22. Alternatively, or in addition, the indicators 200 may each include alphanumeric characters, such as the words "locked" or "unlocked," or some other symbols, to represent one or both of these conditions.

[0127] As shown, the indicator 200 may be movably mounted on a wiper 208 that is aligned with a locking member 106. In the non-limiting embodiments illustrated, the wiper 208 is rotatably mounted on a support base 22 via a pin 210. A biasing member 212, for example, a torsion spring, is operably coupled to the wiper 208, and the biasing force of the biasing member 212 may bias the indicator 200 to a second position, the second indicator section 206 being aligned with the window 202 (Figure 16A). As best shown in the figure, a portion of the locking member 106 is operable to engage with at least one of the wiper 208 and the indicator 200 when the locking member 106 is in the locked position. The force applied to the wiper 208 or the indicator 200 by the locking member 106 is opposed to the biasing force of the biasing member 212, thereby holding the indicator 200 in a position where the first indicator section 204 is aligned with the window 202.

[0128] When the user applies force to the handle 116 of the actuator 114 to release the spin lock 100, the locking member 106 moves, for example, by translating, disengaging from the indicator 200 and / or wiper 208. As a result, the biasing force of the biasing member 212 biases the wiper 208 and the indicator 200 to a position where the second indicator section 206 of the indicator 200 is aligned with the window 202 (Figure 16B). When the force is released from the handle 116, the biasing member associated with the spin lock 100 biases the locking member 106 toward the locked position and to engage with the indicator 200 and / or wiper 208, as previously described.

[0129] Referring next to Figures 17A and 17B, an indicator according to another embodiment of the child restraint system 20 is illustrated. As shown, the support base 22 includes a window 202 associated with the indicator 200. When the child seat 24 is rotatably locked to the support base 22, the plunger 220 extends through the window 202 (Figure 17A). The plunger 220 may be part of the locking member 106 or a separate component movably coupled thereto. The portion of the plunger 220 visible in the window 202 may have a first color or alphanumeric marking or symbol 222 to indicate that the spin lock 100 is engaged. When the spin lock 100 is locked, the plunger 220 may overlap with a second indicator 224, thereby preventing the second indicator from being visible through the window 202. When the handle 116 of the actuator 114 is operated and the locking member 106 of the spin lock 100 is in the unlocked position, the plunger 220 may move, for example, retract and therefore not be within the window 202. Rather, as shown in Figure 17B, if the plunger 220 is absent, the visible portion of the support base 22 through the window 202 has a second color or alphanumeric marking or symbol 224 and therefore functions as a second indicator 224 to indicate that the spin lock 100 is disengaged and the child seat 24 can rotate freely.

[0130] Referring to Figure 28, in one embodiment, for example, the handle 116 of an actuator 114 associated with a spin lock 100 includes a secondary lock 136 operably coupled thereto. In an illustrated non-limiting embodiment, the secondary lock 136 includes a movable member 138 for selectively disengaging the support base 22. For example, the member 138 may include a projection receivable into a corresponding groove or recess formed in the support base 22. As shown, the secondary lock 136 may be mounted on the handle 116 to prevent its unintended operation and, therefore, to prevent the release of the spin lock 100. In such an embodiment, the user must first disengage the secondary lock 136, for example, by sliding the member 138 away from or disengaging from the support base 22, before operating the actuator 114 by applying force to the handle 116. A biasing mechanism, not shown, may be coupled to the secondary lock to bias the secondary lock to engage with the support base 22, thereby locking the actuator 114.

[0131] Referring here to Figures 18 to 21B, the child seat 24 may be movable relative to the support base 22, either alternatively or additionally, to adjust the tilt of the child seat 24. The child seat 24 may be movable along an inclined path between a first position, such as an upright position (Figure 21A), and a second position, such as a reclined position (Figure 21B). However, it should be understood that both the first and second positions may be inclined positions, or positions having varying degrees of inclination. Furthermore, embodiments in which the child seat 24 can be positioned in any of a plurality of positions between the upright position and the reclined position are also contemplated herein (see, for example, Figures 31A to 31C, which are discussed below).

[0132] In one embodiment, a second base member 80 and a child seat 24 coupled thereto are translationally movable relative to a first base member 76 to control the tilting or reclining of the child seat 24. As shown, a reclining lock mechanism 140 may be mounted on the second base member 80. In an illustrated non-limiting embodiment, the reclining lock mechanism 140 includes a pivot link 142 positioned at the center and rotatable about an axis. As shown, the pivot link 142 may have two end segments 144 extending outward therefrom, disposed on opposite sides of the pivot link 142 with respect to its axis of rotation. For example, at least one reclining pin, such as two reclining pins 146, is connected to the pivot link 142 via its respective connector 148. In an illustrated non-limiting embodiment, the connector 148 is pivotally coupled to the pivot link 142 and translationally movable relative to the reclining pins 146. For example, the reclining pin 146 may have an elongated slot 150 formed inside, and the connector 148 may have a pin or support 152 positioned within the slot 150. As shown, the connector 148 and the reclining pin 146 may extend in opposite directions from the pivot link 142.

[0133] The multiple reclining pins 146 are displaceable to coincide between a first locked position (Figure 21A) in which the second base member 80 is immovable relative to the first base member 76, and a second unlocked position (Figure 21B) in which the second base member 80, and therefore the child seat 24 rotatably coupled to the second base member 80, are freely movable relative to the first base member 76 to adjust the inclination of the second base member 80 and the child seat 24. When each of the reclining pins 146 is in the locked position, the second end 154 of the reclining pin 146 extends through an opening formed in the second base member 80 and engages with a corresponding locking opening 156 formed in a portion of the first base member 76, such as its side wall. When the reclining pin 146 is in the second unlocked position, the second end 154 of the reclining pin 146 is separated from or disengaged from the locking opening 156, allowing the second base member 80 and the child seat 24 to tilt or recline.

[0134] In one embodiment, a biasing member 157, such as a coil spring, is operably coupled to the reclining pin 146 and the connector 148, respectively, and is operable to bias the reclining pin 146 to a first locked position via the movement of the connector 148. In another embodiment, the biasing member may be operably coupled to a pivot link 142. An actuator 160 is operably coupled to the reclining lock mechanism 140. In an illustrated non-limiting embodiment, the pivot link 142 includes a radially extending actuation tab 158, and the actuator 160 includes a handle 162 positioned on the outer surface of the support base 22. The handle 162 is coupled to the actuation tab 158 via a link mechanism or cable 164. The application of force to the handle 162 is operable to rotate the pivot link 142 about its axis. This rotation applies force to the reclining pin 146, translating the pin 152 of the connector 148 within a slot 150 formed in the reclining pin 146. In response to this movement of pin 152, a force is applied to the biasing member 157 in opposition to its bias. The movement of connector 148 results in a corresponding movement of the reclining pin 146 from the locked position to the unlocked position. While the reclining pin 146 is held in the unlocked position via the application of force to the handle 162, the second base member 80 is translationally movable relative to the first base member 76. As best shown in Figure 20, the first base member 76 includes a plurality of locking openings 156, each associated with a different tilt of the child seat 24. Thus, the second base member 80 is movable to a position configured such that the end 154 of the reclining pin 146 is aligned and engages with each of the locking openings 156. The reclining lock mechanism 140 illustrated and described herein is intended only as an example, and it should be understood that any suitable mechanism for selectively locking and unlocking the child seat 24 and / or the second base member 80 with respect to movement relative to the first base member 76 in order to adjust the tilt of the child seat 24 is within the scope of this disclosure.

[0135] Referring to Figures 30A to 31C, a reclining indicator 166 may be provided that indicates the current reclining position of the child seat 24. In the non-limiting embodiments illustrated, the reclining indicator 166 includes a plurality of first markings 167 and second markings 168. Each of the plurality of first markings 167 is selectively positionable relative to the second marking 168 to represent the corresponding reclining position of the child seat 24. The plurality of first markings 167 are spaced apart from each other, and therefore each first marking 167 can be aligned with the second marking 168 at a particular inclined position due to the translational movement of the second base member 80 relative to the first base member 76. Although four distinct reclining positions are shown, it will be understood that various other quantities of distinct positions may be provided. In some embodiments, a continuous range of positions may be shown. As shown, the base sheet portion 72 of the support base 22 includes a plurality of first markings 167, and the first base member 76 includes a second marking 168. However, it should be understood that embodiments in which a single first marking 167 is located on the base sheet portion 72 and the first base member 76 includes a plurality of second markings 168 are also within the scope of this disclosure.

[0136] Next, referring to Figures 7, 8A–8B, 22A–23B, 35, and 36A–36B, in one embodiment, the support base 22 includes a belt tensioner 170. In the non-limiting embodiments illustrated, an opening 172 is formed in the base back portion 74 of the support base 22, and the belt tensioner 170 is receivable within the opening 172. The contour of the belt tensioner 170 may be complementary to the contour of the opening 172 such that substantially the entire belt tensioner 170 is receivable within the opening 172. The vehicle belt 12 (see Figure 22B) is associated with a vehicle seat 10, which the support base 22 can position along a belt receiving path defined between the surface 174 of the base back portion 74 of the support base 22 and the belt tensioner 170. In one embodiment, the belt tensioner 170 includes a frame 171 having an actuator 173 mounted on the frame 171. The actuator 173 may be operable to selectively release or separate the corresponding engaging member of the frame 171 from a bar or other connector 175 located within the opening 172. In the non-limiting embodiments illustrated in Figures 8A and 8B, the front surface or face of the actuator 173 has a generally rounded contour.

[0137] In one embodiment, the belt tensioner 170 is selectively movable relative to the support base 22 to adjust the tension applied to the vehicle belt 12 along the vehicle belt receiving path. For example, the belt tensioner 170 may be configured to pivot about at least one axis between an open position (Figures 7, 22A, and 22B) and a closed position (Figures 2 and 3) to selectively clamp or tension the portion of the vehicle belt 12 sandwiched between the belt tensioner 170 and the opening 172, thereby connecting the support base 22 to the vehicle belt 12 and thereby restricting the movement of the support base 22 relative to the vehicle seat 10.

[0138] Referring here to Figures 35 to 36B, in some embodiments, the vehicle belt 12 may be pressed against or between various features of the belt tensioner 170 and / or the base back portion 74 of the support base 22 to provide additional tension and / or friction, thereby preventing the vehicle belt 12 from sliding against the support base 22. In one embodiment shown in Figures 36A to 36B, the belt tensioner 170 may include one or more tensioner ribs 171a to 171d projecting from the belt tensioner 170 toward and into the opening 172. In embodiments including multiple tensioner ribs 171a to 171d, the ribs may extend from the surface of the belt tensioner 170 by different axial lengths. The base back portion 74 may provide one or more feature portions in or within the opening 172. In the non-limiting embodiments illustrated, at least one feature includes multiple back ribs 173a to e. The back ribs 173a-e may include corner ribs 173b, 173d and / or a central rib 173c. The surface 174 of the base back portion 74 may additionally or alternatively provide one or more feature portions, such as a first surface corner 174a and a second surface corner 174b, to or adjacent to the opening 172. The first corner 174a and the second corner 174b may define variable surfaces complementary to the different axial lengths of the tensioner ribs 171a-171d. Therefore, when the belt tensioner 170 is closed and received within the opening 172 as shown in Figure 36A, the vehicle belt 12 is forced to change direction along a curved or complex path defined between the tensioner ribs 171a-171d, the first corner 174a and the second corner 174b, and one or more central back ribs 173a-173e. Furthermore, the vehicle belt 12 is clamped or stretched at multiple locations along the curved path.

[0139] In one embodiment best illustrated in Figure 22B, one or more belt guides 176 may be positioned around a support base 22, such as its base back portion 74. As shown, the belt guide 176 may include a slot 178 for receiving a portion of the vehicle belt 12 internally. While substantially identical belt guides 176 are illustrated as being positioned on opposing sides of the base back portion 74, it should be understood that embodiments having a single belt guide are also within the scope of this disclosure. Furthermore, in embodiments including multiple belt guides 176, the belt guides may have various configurations based on the vehicle belt path relative to the support base 22 and / or be positioned in different vertical and lateral positions. In the non-limiting embodiments shown in Figures 23A-23B, the belt guides 176 may be mounted on the support base 22, such as the surface of the base back portion 74, via a belt path insert 177. The belt path insert 177 may be permanently or removablely mounted to the support base 22, and the belt guides 176 may be permanently or removablely connected to the belt path insert 177. The inclusion of the belt path insert 177 allows the belt guide 176 to be positioned laterally offset from the base back portion 74.

[0140] Referring to Figures 37A-37C and 38A-38C, in some embodiments, the belt guide 176 may be provided in the lower region of the support base 22, such as close to the interface between the base back portion 74 and the base seat portion 72. The belt guide 176 may be positioned to receive the lap belt of the vehicle belt 12. One or more contour regions 176A, 176B may be provided on the surface of the base back portion 74, for example, contour region 176A on the side surface, and contour regions 176B on the side surface and bottom surface. The contour regions 176A, 176B are positioned to receive the vehicle belt 12 and further guide it around the support base 22. As shown in Figures 38A-38C, a plurality of ribs 182 may be provided in this region of the support base 22 to provide additional stiffness and strength for the vehicle belt 12 to press against the support base 22. In some embodiments, a bottom cover 184 is provided and may include a portion of the ribs 182 in a complementary arrangement to provide a rigid structure when assembled with the support base 22.

[0141] Referring to Figure 24, in one embodiment, a notch or cutout 180 is formed on the front edge 52 of the child seat 24. The child seat 24 is rotated to a rearward configuration relative to the support base 22 in order to mount the support base 22 to the vehicle seat 10 via the vehicle belt 12 using a belt tensioner 170. In the rearward configuration, the notch is aligned with the belt tensioner 170 and the corresponding opening 172 such that the belt tensioner 170 is positioned within the notch 180 formed in the child seat 24 when the belt tensioner is released or separated from the opening 172. Thus, when the belt tensioner 170 is positioned within the notch 180, the belt tensioner 170 interferes with and restricts the rotation of the child seat 24 relative to the support base 22. The child seat 24 can only be displaced from the rearward configuration to another configuration when the belt tensioner 170 is closed or receptive within the opening 172.

[0142] In one embodiment, the tension applied to the vehicle belt 12 by the belt tensioner 170 depends on the position of the second base member 80 relative to the first base member 76, and therefore the tilt of the child seat 24. Thus, in one embodiment, when the vehicle belt 12 is coupled to the support base 22 via the belt tensioner 170, the child seat 24 can be in a reclined position or at least a partially reclined position. During the installation of the support base 22 around the vehicle seat 10, after the belt tensioner 170 has applied initial tension to the vehicle belt 12, the tilt of the child seat 24 is then adjusted to increase the tension of the vehicle belt 12. The reclining lock mechanism 140 that connects the second base member 80 to the first base member 76 can be unlocked, and the tilt of the child seat 24 can be adjusted, for example, increased, while the child seat 24 is in any preferred rotational configuration relative to the support base 22. As the second base member 80 and the child seat 24 translate relative to the first base member 76, the corresponding movement of the belt tensioner 170 increases the tension on the vehicle belt 12.

[0143] The first seat side member 56 and the second seat side member 60 may form an armrest for a child seated in the child seat 24. In some embodiments, a cup holder 230 may be located near at least one end of the first seat side member 56 and the second seat side member 60, for example, the end closest to the front surface 52 of the seat support surface. These cup holders 230 may be fixed in place or, in some embodiments, may remain attached to the seat shell 25 and be rotatable relative to the seat shell 25. A rotatable cup holder 230 may be moved to: 1) provide easy access to the cup holder 230 for a child seated in the child seat 24; 2) move to a position that allows the child to enter and exit the seat 24 more easily; 3) move to a position that minimizes any interference between the cup holder 230 and the seat 24 and the support base 22 during rotation of the seat 24; and 4) move to a position that minimizes the external dimensions (e.g., envelope) of the child restraint system 20 for packaging, shipping, and placement of the system 20.

[0144] Referring to Figures 32A to 33, the cup holder 230 is rotatable and configured to hold separate positions, for example, to prevent accidental movement of the cup holder during transport or use. In the illustrated embodiment, the cup holder 230 rotates around a pivot member 232 mounted with the child seat 24. In one embodiment, the cup holder 230 includes a retaining arm 234, such as one located on its bottom surface, and the child seat 24 includes a plurality of recesses 236 into which the retaining arm 234 can be received. The plurality of recesses 236 may be arranged to define a plurality of different positions of the cup holder 230 relative to the child seat 24. The engagement between the retaining arm 234 and the corresponding recesses 236 of the plurality of recesses can hold the cup holder 230 in its position. One or both of the materials defining the retaining arm 234 and the recesses 236 may be elastic, thereby allowing the retaining arm 234 to disengage from the recesses 236 when sufficient force is applied. Once the retaining arm 234 is separated from the recess 236, the cup holder 230 rotates freely around its pivot axis. In some embodiments, the pivot member 232 may be removable from the child seat 24 to allow the cup holder 230 to be removed.

[0145] As shown in Figure 33, the rotation of the cup holder 230 can be restricted to a desired range. In the non-limiting embodiment illustrated, the cup holder 230 includes a tab 238 on the opposite side of the pivot member 232. The child seat 24 may include a recess defined by side walls 240A, 240B. The tab 238 and side walls 240A, 240B are sized to allow a desired range of rotation, but the engagement between the tab 238 and one or more of the side walls 240A, 240B prevents any further rotation. Thus, the side walls 240A, 240B can function as rotation-limiting stops.

[0146] Referring to Figures 34A to 34C, in some embodiments, the child seat 24 may include a seat pan 190 having a bottom surface 191 at its bottom portion to support the child and provide the shape of soft goods. The child seat 24 may also include at least one seat bolster 192A, 192B. As shown, the seat bolsters 192A, 192B may extend upward from the bottom surface 191 of the seat pan 190, close to the tops of the corresponding first seat side members 56 and second seat side members 60. In some embodiments, the seat bolsters 192A, 192B terminate below the first seat side members 56 and second seat side members 60 of the seat back portion 28 of the seat shell 25. In some embodiments, the seat bolsters 192A, 192B taper in thickness as they extend toward the front of the child seat 24. The sheet bolsters 192A and 192B may also taper in thickness as they extend upward from the sheet pan 190. While the sheet bolsters 192A and 192B are shown to be made of the same material as the sheet pan 190 and formed integrally from the same material, in other embodiments the sheet bolsters 192A and 192B may be separate parts from the sheet pan.

[0147] The seat bolsters 192A and 192B are positioned inside the first seat side member 56 and the second seat side member 60 to reduce the seat width of a portion of the child seat 24, thereby improving the side impact protection performance that protects the child occupant. The seat bolsters 192A and 192B in the illustrated embodiments are sized and positioned to reduce the seat width in one or more common areas of the occupant's waist, legs, and lower back. This position substantially reduces or substantially eliminates lateral movement of the child's body during a side impact event. Other locations or combinations of locations are considered for the seat bolsters 192A and 192B, including a bolster on only one side of the seat pan 190. Furthermore, one or both of the seat bolsters 192A and 192B may be removable to accommodate children of different sizes. The child restraint system 20 described herein allows the rotational configuration and tilt of the child seat 24 to be adjusted relative to the support base 22 and the vehicle seat 10. The seat bolsters 192A and 192B may be formed from a variety of materials, including foam or other materials used in other parts of the child seat 24. In some embodiments, the seat bolsters 192A and 192B are structural components of the child seat 24. The seat bolsters 192A and 192B may be formed from generally or substantially rigid or semi-rigid materials (e.g., rigid plastic or foam materials that may be used in the seat shell or headrest), in contrast to the materials of conventional car seat inserts, which are made of woven fabrics and soft, deformable foams that do not have any internal rigid structure.

[0148] Referring here to Figures 45A to 45C, as previously described, the child seat 24 includes a back portion 28 including an upright support surface shown in 408, a first upright side member 36 extending from a first side surface 38 of the upright support surface 408, and a second upright side member 40 extending from a second side surface 42 of the upright support surface 408. As shown, one or more reinforcing members 600 may be positioned around the child seat 24, for example, on the back portion 28. In the non-limiting embodiments illustrated, at least one reinforcing member 600 is positioned on the outer surface of at least one upright side member 36, 40. The reinforcing member 600 may extend from a position near the interface with an adjacent seat side member 56, 60 toward the upper part 32 of the back portion 28. Furthermore, the reinforcing member 600 may extend substantially the entire distance of the side members 36, 40 between the back surface and the forward-facing ends 602, 604 of the upright side members 36, 40. Including such a reinforcing member 600 in the back portion 28 of the seat shell 25 may help manage soft goods (not shown) attached to the child seat 24. Alternatively, or in addition, the reinforcing member 600 may absorb or redistribute forces applied to the sides of the child seat 24, thereby improving the collision performance of the child seat 24, including its side impact performance.

[0149] The term “approximately” is intended to include the degree of error associated with the measurement of a particular quantity, based on the equipment available at the time of filing. Where used herein, the term “substantially” and its derivatives, as well as similar important terms, when used to describe size, shape, orientation, distance, spatial relationship, and other parameters, may include a range of up to 10% more and up to 10% less than the stated parameter, including 5% more and 5% less, 3% more and 3% less, 1% more and 1% less.

[0150] The terms used herein are for the sole purpose of describing specific embodiments and are not intended to limit the invention. Where used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context otherwise explicitly indicates. Where used herein, the terms "comprises" and / or "comprising" specify the presence of the described features, integers, steps, actions, elements, and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, actions, elemental components, and / or groups thereof.

[0151] While this disclosure is described with reference to exemplary embodiments, it will be understood by those skilled in the art that various modifications can be made and equivalents can be substituted for their elements without departing from the scope of this disclosure. In addition, many modifications can be made to adapt the teachings of this disclosure to specific circumstances or materials without departing from the essential scope of this disclosure. Thus, this disclosure is not limited to any particular embodiment disclosed as the best mode contemplated for carrying out this disclosure, and it is intended that this disclosure will include all embodiments that fall within the scope of the claims.

Claims

1. A child restraint system that can be positioned on a vehicle seat, wherein the child restraint system is Support base and A belt tensioner mounted on the support base, which is movable between an open position and a closed position in order to apply tension to a vehicle belt associated with the vehicle seat, A child seat mounted on the support base, wherein the child seat is rotatable relative to the support base, A child restraint system wherein, when the belt tensioner is in the open position, the belt tensioner prevents the child seat from rotating relative to the support base.

2. The child restraint system according to claim 1, wherein the child seat is rotatable with respect to the support base between a rear-facing configuration and a forward-facing configuration, and the child seat is in the rear-facing configuration when the belt tensioner is in the open position.

3. The child restraint system according to claim 2, wherein the belt tensioner is movable from the closed position to the open position only when the child seat is in the rear-facing configuration.

4. The child restraint system according to claim 2, wherein the support base further comprises a base anchor member, the child seat further comprises a seat anchor member, and the base anchor member is connectable to the seat anchor member when the child seat is in the forward-facing configuration.

5. The child restraint system according to claim 1, further comprising a seat portion and a notch formed on the front edge of the seat portion, wherein when the belt tensioner is in the open position, the belt tensioner is positioned within the notch.

6. The child restraint system according to claim 1, wherein the support base further comprises a seat portion and a back portion, and the belt tensioner is receivable in an opening formed in the back portion when in the closed position.

7. The child restraint system according to claim 6, wherein the belt tensioner has one or more tensioner ribs, the back portion of the support base has one or more back ribs, and when the belt tensioner is in the closed position, the vehicle belt is pressed against the one or more tensioner ribs and the one or more back ribs.

8. The child restraint system according to claim 1, wherein the tilt of the child seat is adjustable with respect to the support base.

9. The aforementioned support base, The first base member and The child restraint system according to claim 8, further comprising: a second base member operably coupled to the first base member, the second base member being movable with respect to the first base member for adjusting the inclination of the child seat.

10. The child restraint system according to claim 9, wherein the belt tensioner is associated with the second base member.

11. The child restraint system according to claim 1, wherein the child seat further comprises a cup holder, and the cup holder is rotatably mounted on the child seat.

12. The child restraint system according to claim 11, wherein the cup holder is rotatable to a plurality of predetermined positions.

13. The child restraint system according to claim 11, wherein the cup holder and the child seat are provided with a fitting feature for temporarily maintaining the cup holder in a rotating position.

14. The child restraint system according to claim 11, wherein the cup holder further comprises a rotation limiting stop unit.

15. The child restraint system according to claim 1, further comprising a belt guide mounted on the support base for defining a belt path insert, wherein the belt guide cooperates with the belt tensioner to define a vehicle belt path.

16. The child restraint system according to claim 15, wherein the belt guide is detachably mounted on the support base via the belt path insert.

17. The aforementioned belt tensioner, A frame having a latch for engaging with a connector on the support base, The child restraint system according to claim 1, further comprising an actuator operably coupled to the latch.

18. The child restraint system according to claim 17, wherein the actuator is rounded.

19. A child restraint system that can be positioned on a vehicle seat, wherein the child restraint system is Support base and A child seat connected to the support base, wherein the child seat is rotatable around an axis relative to the support base between a first rotation configuration and a second rotation configuration, A spin lock for selectively locking the rotation of the child seat relative to the support base, A child restraint system comprising: at least one actuator operably coupled to the spin lock, the at least one actuator being operable to displace the spin lock between a locked position and an unlocked position in response to the application of a force away from the child seat.

20. The child restraint system according to claim 19, wherein the spin lock further comprises a plurality of locking pins, and the support base further comprises a plurality of locking sections, wherein the plurality of locking pins are engaged with the plurality of locking sections when the spin lock is in the locked position, and the plurality of locking pins are disengaged from the plurality of locking sections when the spin lock is in the unlocked position.

21. The child restraint system according to claim 20, wherein the plurality of locking pins are operably connected to one another by connecting links.

22. The child restraint system according to claim 20, wherein the at least one actuator further comprises a plurality of actuators, each of which actuators is operably coupled to a corresponding lock pin of the plurality of lock pins.

23. The child restraint system according to claim 22, wherein each actuator is individually operable to disengage the plurality of locking pins from the plurality of locking sections.

24. The child restraint system according to claim 22, wherein the plurality of actuators are capable of simultaneously operating to disengage the plurality of locking pins from the plurality of locking sections.

25. The aforementioned support base, The first base member and The child restraint system according to claim 20, further comprising: a second base member operably coupled to the first base member, wherein the bottom of the child seat is receivable within the second base member, and the plurality of lock sections are formed in the second base member.

26. The child restraint system according to claim 25, wherein the second base member further comprises a hook, the bottom of the child seat further comprises a lip, and the hook engages with the lip to define a rotation path for the child seat.

27. The child restraint system according to claim 26, wherein the lip is formed by a ring attached to the child seat via at least one fastener.

28. The child restraint system according to claim 26, wherein the lip is formed by a ring pinned to the child seat.

29. The child restraint system according to claim 20, wherein the spin lock further comprises a plurality of locking members, each of the plurality of locking members including one of the plurality of locking pins, and the plurality of locking members are operably connected by a plurality of connecting straps.

30. The child restraint system according to claim 19, wherein the child seat is rotatable 180 degrees between the first rotation configuration and the second rotation configuration.

31. The child restraint system according to claim 30, wherein the first rotation configuration is a forward-facing configuration, and the second rotation configuration is a backward-facing configuration.

32. The child restraint system according to claim 19, wherein at least one actuator is positioned on the child seat to receive a rotational force from a user, and the child seat is rotatable between the first rotation configuration and the second rotation configuration in response to the application of the rotational force.

33. The child restraint system according to claim 19, further comprising a secondary lock operably coupled to at least one actuator and movable relative to the support base, wherein the at least one actuator is operable to displace the spin lock between the locked position and the unlocked position only when the secondary lock is disengaged from the support base.

34. The child seat is rotatable between a forward-facing configuration and a rear-facing configuration. The child seat is movable between a first position and a second position along an inclined path relative to the support base. The child restraint system according to claim 19, wherein the child seat is movable along the inclined path from the first position to the second position while the child seat is in the forward-facing configuration.

35. A child restraint system that can be positioned on a vehicle seat, wherein the child restraint system is A support base including the base seat portion and the base back portion, A child seat connected to the support base, wherein the child seat includes a seat back portion, and the child seat having the seat back portion is movable along an inclined path with respect to the support base between a first position and a second position, A child restraint system in which the base back portion is movable along the inclined path together with the child seat, including the seat back portion.

36. The child restraint system according to claim 35, wherein the child seat is rotatable with respect to the support base at any position of the child seat along the inclined path between the first position and the second position.

37. The child restraint system according to claim 35, wherein when the child seat is in both the first rotation configuration and the second rotation configuration, the child seat is rotatable with respect to the support base and the child seat is movable along the inclined path.

38. The child restraint system according to claim 37, wherein the support base further comprises a base anchor member, the child seat further comprises a seat anchor member, and the base anchor member is connectable to the seat anchor member when the child seat is in the first rotation configuration.

39. The child restraint system according to claim 38, wherein the base anchor member is connectable to the seat anchor member at any position on the child seat along the inclined path between the first position and the second position.

40. The child restraint system according to claim 34, further comprising a reclining lock mechanism for selectively locking the child seat in a position along the inclined path.

41. The aforementioned support base, The first base member and The child restraint system according to claim 40, further comprising: a second base member operably coupled to the first base member, wherein the second base member forms the base back portion of the support base.

42. The child restraint system according to claim 41, wherein the reclining lock mechanism further comprises at least one reclining pin, the first base member further comprises a plurality of locking openings, the at least one reclining pin is engaged with the locking openings of the plurality of locking openings when the reclining lock mechanism is in the locked position, and the at least one reclining pin is disengaged from the locking openings of the plurality of locking openings when the reclining lock mechanism is in the unlocked position.

43. The child restraint system according to claim 42, wherein the at least one reclining pin further comprises a plurality of reclining pins, the plurality of reclining pins being operably connected to one another by a pivot link.

44. The child restraint system according to claim 42, further comprising at least one actuator operably coupled to the reclining lock mechanism, wherein the at least one actuator is operable to displace the reclining lock mechanism between the locked position and the unlocked position.

45. A method for installing vehicle seat belts around a child restraint system, wherein the method is Positioning the vehicle belt along the belt receiving path of the support base, To apply tension to the vehicle belt along the belt receiving path, the belt tensioner is moved relative to the support base, A method comprising adjusting the inclination of the back portion of the support base relative to the vehicle seat in order to increase the tension in the vehicle belt.

46. The method according to claim 45, wherein adjusting the inclination further includes moving the second base member of the support base along an inclined path with respect to the first base member of the support base, the second base member forming the back portion of the support base.

47. The method according to claim 46, further comprising adjusting the inclination to unlock a reclining lock mechanism that connects the second base member to the first base member.

48. The method according to claim 45, further comprising adjusting the inclination to increase the inclination of the back portion.

49. The method according to claim 45, further comprising moving the belt tensioner relative to the support base, and then rotating the child seat relative to the support base to apply tension to the vehicle belt.

50. A child restraint system that can be positioned on a vehicle seat, wherein the child restraint system is Support base and A child seat connected to the support base, wherein the child seat is rotatable about an axis relative to the support base, A spin lock for selectively locking the rotation of the child seat relative to the support base, A child restraint system comprising: an indicator associated with the spin lock, the indicator being movable in response to the movement of the spin lock between the locked position and the unlocked position in order to visually indicate to the user when the spin lock is in the locked position and when the spin lock is in the unlocked position.

51. The child restraint system according to claim 50, further comprising: a first indicator section operable to visually indicate when the spin lock is engaged; and a second indicator section operable to visually indicate when the spin lock is disengaged.

52. The child restraint system according to claim 50, wherein the indicator is separated from the spin lock.

53. The child restraint system according to claim 50, wherein the indicator is rotatably mounted on the support base.

54. The child restraint system according to claim 53, further comprising a biasing mechanism operably coupled to the indicator for biasing the indicator toward a position associated with when the spin lock is disengaged.

55. The child restraint system according to claim 54, wherein when the spin lock is engaged, the spin lock resists the biasing force of the biasing mechanism.

56. The child restraint system according to claim 50, wherein the spinlock further comprises a plunger operably coupled to the spinlock, the plunger being a visual indicator visible on the support base to visually indicate that the spinlock is engaged.

57. The child restraint system according to claim 56, wherein the plunger is part of the spin lock.

58. The child restraint system according to claim 56, wherein the plunger is positioned within a window formed in the support base when the spin lock is engaged.

59. The child restraint system according to claim 56, wherein the plunger is separated from the window formed in the support base when the spin lock is disengaged.

60. The child restraint system according to claim 59, wherein the support base in the window is a second indicator.

61. The child restraint system according to claim 56, wherein the absence of the plunger within the window formed in the support base is a visual indicator that the spin lock is in the unlocked position.

62. It is a child restraint system, A child seat having a seat portion and a back portion including at least one upright side member, wherein the seat portion and the back portion define an interior for receiving an occupant, A child restraint system comprising: at least one seat bolster disposed on the at least one upright side member, wherein the internal width for receiving the occupant is reduced by the at least one seat bolster.

63. The child restraint system according to claim 62, wherein at least one seat bolster is positioned inside the occupant in close proximity to the occupant's waist.

64. The child restraint system according to claim 62, wherein the at least one sheet bolster is integrally formed with the sheet portion.

65. The child restraint system according to claim 62, wherein the at least one sheet bolster is formed from a material different from the sheet portion.

66. The child restraint system according to claim 62, wherein the sheet portion includes a first sheet side member and a second sheet side member, and the at least one sheet bolster extends upward from the sheet portion and terminates above or below at least one of the first sheet side member and the second sheet side member.

67. The child restraint system according to claim 62, wherein at least one of the sheet bolsters tapers in thickness in the forward direction.

68. The child restraint system according to claim 62, wherein the at least one sheet bolster is formed of a rigid material.

69. The child restraint system according to claim 62, wherein the at least one seat bolster is a structural component associated with the child seat.

70. It is a child car seat, The back of the seat and, The seat comprises a headrest that is movably attached to the back of the seat, and the headrest is Actuator and A first locking member that is engageable with the seat back to lock the headrest to the seat back, wherein the first locking member is movable between a locked position and an unlocked position, A second locking member configured to disengage the first locking member from the back of the seat, wherein the second locking member is movable between a second locking position and a second unlocking position, The actuator comprises a connecting member operably coupled between at least one of the first locking member and the second locking member, A child seat in which, when the second locking member is in the second member unlocked position, the first locking member is in the unlocked position, and when the second locking member is in the second member locked position, the first locking member is in the unlocked position.

71. The child seat according to claim 70, wherein when the connecting member is operated, the first locking member is displaced to the unlocked position, the second locking member is displaced to the second member unlocked position, and the first locking member and the second locking member are displaced simultaneously.

72. The child seat according to claim 70, wherein the second locking member and the connecting member are formed as a single, integrated component.

73. The child seat according to claim 70, wherein the first locking member is translationally movable with respect to the second locking member between the locked position and the unlocked position.

74. The child seat according to claim 70, wherein the first locking member is rotatable with respect to the second locking member between the locked position and the unlocked position.

75. A rotatable child restraint system, A support base having multiple locking openings, A child seat that is rotatable relative to the support base, A spin lock configured to selectively lock the child seat and the support base against rotation, wherein the spin lock is At least one boss capable of engaging with the locking openings of the plurality of locking openings, At least one locking pin extending between the at least one boss toward the rotation axis of the child seat on the support base, The system comprises at least one actuator configured to selectively release at least one boss from the locking openings of the plurality of locking openings, A rotatable child restraint system in which the at least one boss is rigidly coupled to the at least one actuator.

76. The rotatable child restraint system according to claim 75, wherein the at least one boss comprises two bosses, the at least one actuator comprises two actuators, the at least one lock pin comprises two lock pins, and each boss is operably coupled to the respective actuator via the respective lock pin.

77. The rotatable child restraint system according to claim 76, wherein the spin lock further comprises a connecting member pivotably coupled to the support base, and the two lock pins are connected to the connecting member such that both bosses are retracted from each of the lock openings of the plurality of lock openings via rotation of the connecting member.

78. The rotatable child restraint system according to claim 75, wherein the at least one actuator and the at least one boss are movable in the same direction to release the at least one boss from the locking openings of the plurality of locking openings.

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