Vehicle seat

Patent metadata

Field	Value
Publication number	US-10752136-B2
Application number	US-201816230026-A
Country	US
Kind code	B2
Filing date	Dec 21, 2018
Priority date	Sep 18, 2013
Publication date	Aug 25, 2020
Grant date	Aug 25, 2020

Abstract

The object of the invention is to provide a vehicle seat which can improve degree of freedom in the design of the vehicle seat. A vehicle seat with a seat cushion and a seat back includes: right and left side frames 20 constituting right and left frames of the seat back; a pressure-receiving member 40 disposed between the right and left side frames 20 and configured to receive a load from an occupant; and a driving mechanism 50 disposed at each of right and left sides of the pressure-receiving member 40 and configured to cause a right end portion or a left end portion of the pressure-receiving member 40 to move from an initial position to an advanced position that is located frontward of the initial position or to move from the advanced position to the initial position, wherein the driving mechanism 50 includes a linkage (drive link member 100 and contact link member 200) configured to be connected to the pressure-receiving member 40 and a driving source 52 configured to actuate the linkage, and wherein the linkage is configured to operate when a load equal to or greater than a predetermined amount is input from the occupant to the pressure-receiving member 40 to cause the pressure-receiving member 40 to move to a backward position that is located rearward of the initial position.

First claim

The invention claimed is:

1. A vehicle seat comprising:
right and left side frames; and
a pressure-receiving member disposed between the right and left side frames and configured to receive a load from an occupant, the pressure-receiving member being configured as a plate member, the pressure-receiving member comprising:
a pressure-receiving portion disposed to face the occupant,
right and left support portions extending laterally outward from the pressure-receiving portion, the support portions extending obliquely from the pressure-receiving portion toward the occupant,
wherein the pressure-receiving portion has a first inwardly curved recess portion adjacent to the right support portion, and a second inwardly curved recess portion adjacent to the left support portion, the first inwardly curved recess portion and the second inwardly curved recess portion being located at laterally outer ends of the pressure-receiving portion and recessed laterally inward in a lateral direction of the vehicle seat,

first beads formed on the pressure-receiving portion between the first inwardly curved recess portion and the second inwardly curved recess portion, and
second beads formed on the right support portion and the left support portion, the second beads being connected to the first beads.

2. The vehicle seat according to claim 1 , wherein the first inwardly curved recess portion and the second inwardly curved recess portion are symmetrical in shape with respect to a plane perpendicular to the lateral direction of the vehicle seat.

3. The vehicle seat according to claim 1 , wherein a distance between an outermost end of the right support portion and an outermost end of the left support portion is larger than a shortest distance between the first inwardly curved recess portion and the second inwardly curved recess portion.

4. The vehicle seat according to claim 1 , wherein the right support portion and the left support portion are connected to the laterally outer ends of the pressure-receiving portion at connecting portions, and
wherein the connecting portions are disposed laterally outward of an innermost portion of the first inwardly curved recess portion and an innermost portion of the second inwardly curved recess portion.

5. The vehicle seat according to claim 1 , wherein a connecting wire is provided between the right and left side frames, and the pressure-receiving member is supported by the connecting wire,
wherein the connecting wire has a portion extending in a direction crossing the lateral direction of the vehicle seat.

6. The vehicle seat according to claim 1 , wherein a first motor is disposed laterally outward of the right support portion and the first inwardly curved recess portion, and
wherein a second motor is disposed laterally outward of the left support portion and the second inwardly curved recess portion.

7. The vehicle seat according to claim 6 , wherein the first motor is disposed in a position overlapping the right support portion and the first inwardly curved recess portion in a direction perpendicular to the lateral direction of the vehicle seat, and
wherein the second motor is disposed in a position overlapping the left support portion and the second inwardly curved recess portion in the direction perpendicular to the lateral direction of the vehicle seat.

8. The vehicle seat according to claim 1 , wherein the vehicle seat comprises a seat cushion, a seat back, and a headrest,
wherein the pressure-receiving member is disposed in the seat back.

9. The vehicle seat according to claim 1 , wherein the right and left side frames are covered with a cushion material and an outer skin material.

Assignees

• Ts Tech Co Ltd

Inventors

• Sugiyama Shinji

Classifications

• B60N2/686

  Panel like structures · CPC title

• B60N2/4228 Primary

  due to impact coming from the rear · CPC title

• B60N2002/022

  the seat or seat part turning about or moving along a vertical axis · CPC title

• B60N2/64

  Back-rests {or cushions (B60N2/2222 takes precedence)} · CPC title

• B60N2/667

  having flexible support member bowed by applied forces · CPC title