US 12,459,410 B2
Seatback of vehicle seat
Kensuke Yoshiga, Yokohama (JP); Hiroki Jineda, Yokohama (JP); and Mitsutoshi Saito, Tokyo (JP)
Assigned to NHK Spring Co., Ltd., Yokohama (JP); and SUBARU CORPORATION, Tokyo (JP)
Filed by NHK SPRING CO., LTD., Yokohama (JP); and SUBARU CORPORATION, Tokyo (JP)
Filed on Nov. 22, 2023, as Appl. No. 18/518,180.
Claims priority of application No. 2022-191605 (JP), filed on Nov. 30, 2022.
Prior Publication US 2024/0174147 A1, May 30, 2024
Int. Cl. B60N 2/66 (2006.01)
CPC B60N 2/66 (2013.01) 5 Claims
OG exemplary drawing
 
1. A seatback of a vehicle seat, the seatback comprising:
a cushion member including a seat width direction central section, and a pair of side sections respectively connected to a pair of side edge portions of the central section so as to be rotatable relative to the central section about the side edge portions;
a lumbar support configured to contact a rear face of the central section and to be deformable such that a front-rear direction position of part of the lumbar support is changed;
a covering member having a bag shape and covering the cushion member and the lumbar support;
a pair of side restraint members configured so as to be connected to an inner face of the covering member and to respectively restrain the pair of side sections; and
a pair of back face restraint members provided at an inner face of a back face configuration section of the covering member and, by being respectively connected to the pair of side restraint members, configured to cause the back face configuration section to approach closer to the lumbar support than would be the case were they not to be connected to the side restraint members.