Vehicle seat

Patent metadata

Field	Value
Publication number	US-9889780-B2
Application number	US-201515120623-A
Country	US
Kind code	B2
Filing date	Feb 26, 2015
Priority date	Feb 28, 2014
Publication date	Feb 13, 2018
Grant date	Feb 13, 2018

Abstract

A vehicle seat that can suitably protect a seated occupant against an impact from a seat width direction is described, while enlargement of the seat in the seat width direction is restrained. A support member provided to the vehicle seat supports the seated occupant from a side of the seated occupant, and includes an inner plate attached to a seat width direction inner side of a side frame, an outer plate attached to a seat width direction outer side of the side frame, and a connection plate for connecting the inner plate and the outer plate on a seat front side. The outer plate is attached to the seat width direction outer side of the side frame at a position that does not overlap in the seat width direction with attachment positions of the inner plate and the side frame.

First claim

The invention claimed is:

1. A vehicle seat comprising:
a support member that is attached to a side frame of a seat back frame and supports a seated occupant from a side of the seated occupant;
wherein the support member comprises
an inner plate that is attached to an inner side of the side frame in a seat width direction,
an outer plate that is disposed at an outer side of the side frame in the seat width direction, and
a connection portion that connects a front side of the inner plate and a front side of the outer plate in a seat front to back direction;

wherein the support member comprises a rear side connection portion that is connected to the inner plate, the outer plate, and the connection portion at a side of the connection portion that faces the side frame; and
wherein the rear side connection portion is formed to abut against a front surface of the side frame in the seat front to back direction when a load is applied to the inner plate.

2. The vehicle seat according to claim 1 , wherein the inner plate is attached to the side frame at a position corresponding to a height of a chest region of the seated occupant.

3. The vehicle seat according to claim 1 ,
wherein the side frame comprises a front expansion portion that expands to a seat front at a portion corresponding to at least a height of a waist of the seated occupant; and
wherein the inner plate is provided above a maximum expansion position of the front expansion portion.

4. The vehicle seat according to claim 1 , wherein a length of the inner plate of the support member in a height direction is longer than a length of the connection portion in the height direction.

5. The vehicle seat according to claim 1 ,
wherein the inner plate is attached to the side frame by a plurality of inner attachment portions; and
wherein the connection portion is formed to overlap with the plurality of inner attachment portions in the seat front to back direction.

6. The vehicle seat according to claim 1 , wherein the support member is formed so that an upper portion of a space partially enclosed by the inner plate, the outer plate, and the connection portion is open.

7. The vehicle seat according to claim 1 ,
wherein an airbag and an inflator for the airbag are disposed at the outer side of the outer plate of the support member in the seat width direction; and
wherein the inflator is disposed below the inner plate.

Assignees

• Ts Tech Co Ltd

Inventors

• Tanabe Jinichi
• Kurihara Akimitsu

Classifications

• B60N2/4235

  transversal · CPC title

• B60N2/986

  Side-rests (B60N2/2872, B60N2/885 take precedence) · CPC title

• B60N2/4256

  the shape of the seat being specially adapted for a particular purpose or for particular vehicles · CPC title

• B60N2/68 Primary

  Seat frames · CPC title

• B60R21/207

  in vehicle seats · CPC title