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Vehicle seat back and vehicle seat provided with the vehicle seat back

A technology for seat backs and vehicle seats, applied to vehicle seats, special positions of vehicles, seat frames, etc., can solve the problem of increasing damage to the lower neck area, and achieve the effect of reducing damage

Inactive Publication Date: 2015-07-29
NHK SPRING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the upper frame portion of the seat back here is generally constructed of a steel pipe such as a tubular body or the like, reaction forces acting on the lower neck area of ​​the occupant are concentrated, thereby increasing damage to the lower neck area

Method used

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  • Vehicle seat back and vehicle seat provided with the vehicle seat back
  • Vehicle seat back and vehicle seat provided with the vehicle seat back
  • Vehicle seat back and vehicle seat provided with the vehicle seat back

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] A vehicle seat according to an exemplary embodiment of the present invention will be described below with reference to the accompanying drawings. Arrow X, arrow Y, and arrow Z shown in each figure indicate the front side in the seat front-rear direction, the outer side in the seat width direction, and the seat height direction, respectively, for the vehicle seat according to each exemplary embodiment. on the upper side.

[0045] First, the configuration of the vehicle seat 10 according to the first exemplary embodiment will be described below.

[0046] figure 1 A vehicle seat 10 is shown in , which is, for example, a seat suitable for use as a front seat of a vehicle or the like. The vehicle seat 10 includes: a seat cushion 12 on which a vehicle occupant sits; a seat back 14 provided so as to be able to incline in the seat front-rear direction at a rear edge portion of the seat cushion 12 so as to support the occupant's back; and a headrest 16 provided at the top edg...

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PUM

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Abstract

A vehicle seatback including a seatback frame provided with a pair of seatback side frame portions and a seatback upper frame portion that connects together upper end portions of the pair of seatback upper frame portions along the seat width direction, and a support member attached to the seatback frame. The support member is provided with a lower neck bearing portion covering the seatback upper frame portion, and a shoulder bearing portion disposed further towards the front than the seatback upper frame portion in the seat front-rear direction. When a load of a specific value or greater acts on the occupant towards the rear in the seat front-rear direction, the shoulder regions of the occupant are pressed against the shoulder bearing portion, suppressing movement of the occupant towards the rear in the seat front-rear direction.

Description

technical field [0001] The present invention relates to a vehicle seat back and a vehicle seat provided with a vehicle seat back. Background technique [0002] As for a seat back for a vehicle seat, a known seat back is provided with a seat back frame and a plate attached to the seat back frame so as to support the body of an occupant sitting in the vehicle seat. back (for example, Japanese Patent Application Laid-Open (JP-A) No. 2009-101137). The plate body described in JP-A No. 2009-101137 is formed with an opening extending in the direction of seat back height. The opening is formed at a position corresponding to the thoracic spine of the occupant seated in the vehicle seat. The opening reduces the reaction force acting on the occupant's thoracic spine when the occupant's back is pressed against the board body, thereby improving the occupant's riding comfort. [0003] However, with the seat back described in JP-A No. 2009-101137, when there is, for example, a collision...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60N2/68B60N2/64B60N2/48
CPCB60N2/643B60N2/682B60N2/72B60N2/4249B60N2/686B60N2/4228B60N2/66B60N2/42745B60N2/7094B60N2/667
Inventor 山口博仪长谷川真
Owner NHK SPRING CO LTD