公开(公告)号：US11485261B2

公开(公告)日：2022-11-01

申请号：US17167924

申请日：2021-02-04

Applicant: NHK SPRING CO., LTD.

Inventor： Shunichiro Osa ,  Junichiro Horii ,  Takuma Oki ,  Kousuke Yonemochi

IPC: B60N2/68 ,  B60R22/26

Abstract: A columnar body including: plural elongated plate shaped panel members extending in one direction; and plural weld portions where two width direction end portions of respective panel members out of the plural panel members are welded together to configure a closed cross-section.

公开(公告)号：US10829008B2

公开(公告)日：2020-11-10

申请号：US16366926

申请日：2019-03-27

Applicant: NHK SPRING CO., LTD.

Inventor： Yoshitaka Sasaki ,  Akira Honma ,  Kenichi Katsube ,  Daisuke Tanaka ,  Shunichiro Osa ,  Takuma Oki

IPC: B60N2/04 ,  B60N2/06 ,  B60N2/10 ,  B60N2/16 ,  B60N2/18 ,  B60N2/20 ,  B60N2/68 ,  B60N2/12 ,  B60N2/02

Abstract: A vehicle seat that includes: a cushion frame rear portion that is rotatable around a rear portion shaft, whose axial direction is a seat transverse direction, with respect to a vehicle body floor portion; a cushion frame front portion that is connected to the cushion frame rear portion so as to be rotatable around a center fold shaft whose axial direction is the seat transverse direction and that is positioned further toward a seat front side than the rear portion shaft; a seatback frame that stands erect from a rear end side of the cushion frame rear portion; and a driving mechanism that moves the cushion frame front portion and the cushion frame rear portion relatively in a seat vertical direction between a non-reclining state and a reclining state, in which the cushion frame rear portion tilts downward and rearward with respect to the cushion frame front portion.