IP Library › Granted Patent US 11,027,637
Granted Patent B2
US 11,027,637 · App. 16/858,881 · Granted Jun 8, 2021

Vehicle seat

Inventor: Kazunori Hojo (Tochigi, JP)
Assignee: TS Tech Co., Ltd.
B60N2/7094B60N2/58B60N2/64B60N2/66B60N2/70
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Quick Facts
Patent No.
US 11,027,637
App. No.
16/858,881
Granted
Jun 8, 2021
Kind
B2
Abstract

To improve the seated feeling of an occupant in a seat having partially different hardness, a vehicle seat includes a seat frame, an S spring which is installed on the seat frame and receives a load of an occupant, and a seat back pad which has a plurality of regions respectively formed of different materials and is disposed between a skin material of the seat and the S spring. The S spring is disposed at a position facing a boundary portion which is provided in the seat back pad and is the plurality of regions respectively formed of different materials.

Claims (16)

1. A vehicle seat comprising:

a seat back frame;

a seat back pad that is placed on the seat back frame; and

a pressure receiving member that supports the seat back pad and extends in a seat width direction,

wherein:

the seat back pad includes a first pad portion that is disposed at a position facing a lower end portion of the pressure receiving member, a second pad portion that is disposed at a position facing an upper end portion of the pressure receiving member, and a boundary portion that is a boundary between the first pad portion and the second pad portion;

a hardness of the first pad portion is greater than a hardness of the second pad portion;

the first pad portion is a lumbar support region that is configured to support a lumbar spine of an occupant;

the boundary portion is disposed above the lumbar support region; and

the boundary portion is formed in a wavy shape when the vehicle seat is viewed from a front side.

2. The vehicle seat according to claim 1 , wherein:

the second pad portion is disposed above the boundary portion;

a lower portion of the pressure receiving member and the first pad portion are on a same first horizontal plane;

an upper end portion of the pressure receiving member and the second pad portion are on a same second horizontal plane;

a press felt is adhered to rear surfaces of the first pad portion and the second pad portion; and

the press felt is disposed at a position that overlaps the boundary portion in an up and down direction of the vehicle seat.

Priority Claims (1)
JP 2016-041301 · Mar 3, 2016 · national
Continuity (2)
Continuation 16080864
Related Publication 20200254913A1 · Aug 13, 2020