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Vehicle seat device

A seat and vehicle technology, applied in vehicle seats, special positions of vehicles, movable seats, etc., can solve problems such as feeling of cramping, and achieve the effects of reducing discomfort, achieving followability, and reducing deviation

Inactive Publication Date: 2010-03-24
AISIN SEIKI KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, if the seat back is bent by using the adjustment mechanism in the conventional vehicle seat device, the occupant sitting on the vehicle seat device will feel oppressed and cramped because the back is pressed forward by the upper part of the seat back. a question

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0043] Below, according to Figure 1 to Figure 7 A case where the vehicle seat device according to the embodiment of the present invention is embodied as a vehicle seat device mounted on a front seat of an automobile will be described. In addition, the directions of "front and rear, left and right (width), and up and down" used in this specification will be described based on the directions in the vehicle.

[0044] Such as figure 1 As shown, the vehicle seat device 1 of this embodiment has a seat seat 1 and a seat back 2 . The lower end portion of the seat back 2 is supported on the rear end portion of the seat 1 in a tilted and movable manner. The seat back 2 has a lower seat back 21 , an upper seat back 22 , a headrest 23 , a middle bending mechanism (not shown), and a drive unit (not shown). The lower seat back 21 is freely supported on the rear end of the seat 1 by tilting the lower end, and connects the entire seat back 2 to the seat 1 . The upper seat back 22 is free...

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PUM

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Abstract

To provide a vehicle seat device being little in uncomfortable feeling when a center bending mechanism is brought into operation. The device has a seat cushion frame 1 and a seatback frame 2 having alower-side frame 21 supported at a lower end portion thereof to be tiltable relative to a rear end portion of the seat cushion frame 1, an upper-side frame 22 arranged at an upper portion of the lower-side frame 21 and a center bending mechanism coupling the lower-side frame 21 and the upper-side frame 22 to be bendable forward, wherein the center bending mechanism bends the upper-side frame abouta rotational center T which is ahead of a seatback outer layer H covering a front surface of the seatback frame 2. The movement of the upper-side frame when the same is tilted comes close to the movement of the passenger who bends forward. The slip between the seatback outer layer and the back of the passenger can be minimized, and thus, it becomes possible to lessen an uncomfortable feeling given to the passenger.

Description

technical field [0001] The present invention relates to a vehicle seat device in which an upper portion of a seat back divided in an up-down direction can be tilted independently. Background technique [0002] Conventionally, it has been proposed to use a seat back that is divided in the vertical direction in a vehicle seat device, and to use a frame that can be tilted independently from a lower frame that constitutes the frame that constitutes the lower portion of the seat back as a frame that constitutes the upper portion of the seat back. The technology of the middle bending mechanism of the upper frame (Patent Document 1). The center bending mechanism in this vehicle seat device is a mechanism for tilting using the hinge link portion directly connecting the lower end of the lower frame and the upper end of the upper frame, and the center of rotation when the upper frame is tilted is located on the hinged rod section. [0003] Patent Document 1: Japanese Patent Publicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C7/46A47C1/024B60N2/22
CPCB60N2/0232B60N2/233B60N2/2222B60N2/2213A47C7/38B60N2/02246
Inventor 山田幸史伊东定夫后藤直希
Owner AISIN SEIKI KK