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Lifter device for vehicle seat

A lifting device and vehicle seat technology, which is applied to vehicle seats, special positions of vehicles, vehicle components, etc., can solve the deformation of linkages (large buckling deformation, longer moving distance, longer moving distance of occupants, etc.) question

Inactive Publication Date: 2011-03-23
DELTA KOGYO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At this time, when the seat cushion is in the raised position, the deformation (buckling deformation) of the link is larger because the link stands up than when the seat cushion is in the lowered position, and the moving distance to the front or rear of the seat becomes longer.
As a result, the movement distance of the occupant seated on the seat cushion becomes longer, so the acceleration of the occupant also increases

Method used

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  • Lifter device for vehicle seat
  • Lifter device for vehicle seat
  • Lifter device for vehicle seat

Examples

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Embodiment Construction

[0011] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. figure 1 is a perspective view of a vehicle seat with a lifting device, figure 2 and image 3 is its side view. Figure 1 ~ Figure 3 In , the backrest is omitted and only the skeleton part of the cushion is shown.

[0012] The lifting device is a device for raising and lowering the seat cushion, and can be displaced between a raised position after raising the seat cushion and a lowered position after lowering the seat cushion. also, figure 1 and figure 2 shows the state of the lifting device in the raised position, image 3 The lift is shown in the lowered position.

[0013] A pair of left and right lower rails 1 is fixed to a floor plate (not shown) of the vehicle body, and the pair of left and right lower rails 1 extend along the front and rear sides of the vehicle body. On each of the lower rails 1, an upper rail 2 is fitted so as to be slidable back...

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Abstract

The present invention provides a lifter device for a vehicle seat, which is designed to lift and lower a seat cushion with respect to a floor member (2). The lifter device comprises: a front link (11) and a rear link (12) each coupling a side frame (6) and the floor member; a front bracket (3) and a rear bracket (4) each of which is fixed to the floor member and to which respective lower ends of the front link and the rear link are swingably coupled. The front portion of the side frame is provided with a front hitting segment (6a) which is spaced from a front catch segment (3b) of the front bracket for a gap (t1,t3). Furthermore the front hitting segment is provided with a shape which is corresponding with the front catch segment. The rear part of the side frame is provided with a rear hitting segment (6b) which is spaced from a rear catch segment (4a) of the rear bracket for a gap (t2,t4). Furthermore the rear hitting segment has a shape that is corresponding with the rear catch segment. Therefore, when a front collision or rear collision occurs and a moving force which moves the seat cushion is generated, the acceleration of the passenger can be reduced for obtaining higher safety.

Description

technical field [0001] The invention relates to a vehicle seat lifting device. Background technique [0002] The vehicle seat lifting device has front and rear links connecting the frame of the seat cushion and the floor parts (the bottom plate or the upper guide rail installed on the bottom plate) of the vehicle body, and the seat cushion is lifted and lowered by the rotation of the front and rear links (for example, refer to Japan Patent Publication Gazette Real Opening No. 56-105449). Thereby, the height of the seat surface of a seat cushion can be adjusted. [0003] However, when the vehicle has a frontal collision, a moving force that moves the seat cushion forward is generated based on the collision energy, and conversely, when the vehicle has a rear collision, a moving force that moves the seat cushion rearward is generated based on the collision energy. [0004] At this time, when the seat cushion is in the raised position, the deformation (buckling deformation) of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60N2/427
CPCB60N2/4228B60N2/4221B60N2/42709B60N2/1615B60N2/7094
Inventor 冈本昌史冲本良太
Owner DELTA KOGYO CO LTD
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