US 11,807,135 B2
Vehicle seat including a seat back pad having a boundary portion
Kazunori Hojo, Tochigi (JP)
Assigned to TS TECH CO., LTD., Saitama (JP)
Filed by TS TECH CO., LTD., Saitama (JP)
Filed on Nov. 4, 2022, as Appl. No. 17/980,597.
Application 17/980,597 is a continuation of application No. 17/337,550, filed on Jun. 3, 2021, granted, now 11,491,901.
Application 17/337,550 is a continuation of application No. 16/858,881, filed on Apr. 27, 2020, granted, now 11,027,637, issued on Jun. 8, 2021.
Application 16/858,881 is a continuation of application No. 16/080,864, granted, now 10,632,885, issued on Apr. 28, 2020, previously published as PCT/JP2017/008264, filed on Mar. 2, 2017.
Claims priority of application No. 2016-041301 (JP), filed on Mar. 3, 2016.
Prior Publication US 2023/0064863 A1, Mar. 2, 2023
Int. Cl. B60N 2/70 (2006.01); B60N 2/66 (2006.01); B60N 2/64 (2006.01); B60N 2/58 (2006.01)
CPC B60N 2/7094 (2013.01) [B60N 2/58 (2013.01); B60N 2/64 (2013.01); B60N 2/66 (2013.01); B60N 2/70 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A vehicle seat comprising:
a seat back frame that forms a skeleton of a seat back that forms a backrest surface;
a pressure receiving member that is installed on the seat back frame in a seat width direction and configured to receive a load of an occupant; and
a seat back pad which has a plurality of regions respectively formed of different materials, wherein the seat back pad is disposed between a skin material that covers the seat back and the pressure receiving member,
wherein the pressure receiving member is disposed at a position facing a boundary portion of the plurality of regions,
wherein the boundary portion is provided along the seat width direction and overlaps at least a part of the pressure receiving member in an up and down direction of the seat,
wherein the seat back pad includes a lower cushion region that is surrounded by a groove portion on at least three sides in an inverted U-shape, and
wherein a press felt is disposed at a position in the lower cushion region that faces the boundary portion and overlaps the boundary portion in the up and down direction of the seat.