公开(公告)号：US20210245636A1

公开(公告)日：2021-08-12

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：US20240123875A1

公开(公告)日：2024-04-18

申请号：US18486862

申请日：2023-10-13

Applicant: NHK SPRING CO., LTD.

Inventor： Shunichiro OSA ,  Pham Quoc Trieu

IPC: B60N2/20

CPC classification number: B60N2/20

Abstract: A vehicle seat including: a seat back that is tiltable forward around a reclining rod; a support rod that extends along the seat width direction and is supported at a support member that is attached to a vehicle body floor part; and a coupling mechanism that couples the support rod with the reclining rod, the coupling mechanism is configured to attain: a first coupling state that is a coupling state when the seat back is at a position supporting the back area of the seated vehicle occupant, and a second coupling state that is a coupling state when the seat back is tilted forward and a rear face of the seat back is made horizontal, a distance from the support rod to the reclining rod in a seat side view is longer in the second coupling state than in the first coupling state.

公开(公告)号：US20190299818A1

公开(公告)日：2019-10-03

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: B60N2/12 ,  B60N2/68 ,  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.