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Lifting systems for vehicle seats

A technology for seats and motor vehicles, which is applied in the direction of vehicle seats, special positions of vehicles, and vehicle components, and can solve problems such as vertical crushing

Active Publication Date: 2021-03-19
FAURECIA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is also a risk of vertical breakage along the Z axis

Method used

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  • Lifting systems for vehicle seats
  • Lifting systems for vehicle seats
  • Lifting systems for vehicle seats

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] Figure 1a with 1b A schematic and partial representation of a vehicle seat is shown, comprising a seat part with a frame 1 on which the backrest is mounted, the whole mounted on a guide rail 2 via a lifting mechanism 4 . In this case, the base 3 is located on the top of the guide rail 2 , and the lifting mechanism 4 is installed on the base 3 . The base 3 is fixed on the guide rail 2 . The base 3 may be a part separate from the guide rail 2, or may be integrated with the guide rail 2.

[0030] The lifting mechanism 4 is designed to move the seat part relative to the base in at least one substantially vertical direction Z.

[0031] This lifting mechanism is obtained by connecting rods 4a; 4B.

[0032] For example, for each said link, the lower end is connected to the rail 2 and the upper end is connected to the frame 1 of the seat part of the seat.

[0033] The seat frame 1 usually has a right side and a left side of a similar structure; Figure 1a with 1b Only one...

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PUM

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Abstract

Lifting seat for a vehicle comprising a frame for a seat portion, guide rails, a lift mechanism adapted to move the seat portion frame relative to the guide rails between a lowered position and a raised position, said lift mechanism being included in said at least one link on each side of the seat, the link having a rod body connected to the frame at its upper end and connected to the rail at its lower end, at least one link further comprising a protrusion extending from the lower end , the protrusion extends facing the rail, the link is adapted to deform between a first state and a second state in the event of an impact, in the first state a gap separates the rail and the protrusion from the base portion of the frame The position is independent between the lowered position and the raised position, and in the second state the protrusion is at least partially in contact with the guide rail.

Description

technical field [0001] The invention relates to a lift seat for a motor vehicle comprising a frame for a seat part, a longitudinal rail, a lifting mechanism adapted to move the frame of the seat part relative to the longitudinal rail between a lowered position and a raised position, the The lift mechanism includes at least one link on each side of the seat, the link having a rod connected at its upper end to the frame and at its lower end to the guide rail. Background technique [0002] In known prior art, such as patent FR0702804, the linkage of the lifting mechanism has an elongated shape substantially symmetrical with respect to an axis perpendicular to the direction connecting the two ends. [0003] In the event of a frontal collision, generally the connecting rod is subjected to a torsion in the direction of travel X of the vehicle. There is also a risk of vertical breakage along the Z axis. [0004] Accordingly, there is a need for improved lift mechanisms in order t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60N2/16
CPCB60N2/1605B60N2/42709B60N2/42781B60N2/1615B60N2/4221B60N2/165B60N2/1803B60N2/42736
Inventor 克里斯汀·考阿斯农西尔万·戴斯切姆普斯
Owner FAURECIA