公开(公告)号：US20220153173A1

公开(公告)日：2022-05-19

申请号：US17454369

申请日：2021-11-10

Applicant: NHK SPRING CO., LTD.

Inventor： Kenichi KATSUBE ,  Katsutoshi IMANARI ,  Yuma TERADA

IPC: B60N2/66 ,  A47C7/46

Abstract: A vehicle seat comprising: a seat cushion frame that structures a frame of a seat cushion and that is configured to support buttocks of a seated vehicle occupant; a seat cushion pad mounted to the seat cushion frame; and a pelvis supporting portion having a push-up portion that is provided at a seat lower side of the seat cushion pad along a seat left-right direction and that, by being displaced toward a seat upper side, pushes a seat rear side portion of the seat cushion pad toward the seat upper side.

公开(公告)号：US20200156506A1

公开(公告)日：2020-05-21

申请号：US16577904

申请日：2019-09-20

Applicant: IMASEN ELECTRIC INDUSTRIAL CO., LTD. ,  NHK SPRING CO., LTD.

Inventor： Atsutoshi GOTO ,  Hiroyuki KOJIMA ,  Takanari MATSUMOTO ,  Kenichi KATSUBE ,  Daisuke TANAKA

IPC: B60N2/02 ,  B60N2/20 ,  B60N2/10

Abstract: A power seat device is configured to acquire a target associated position of a tilted position, corresponding to a current position of a seatback for allowing the seatback to reach an end position in a reclining range, and a seat to reach an end position in a tilting range simultaneously. Outputs of a reclining motor and a tilting motor are adjusted so that the tilted position coincides with the acquired target associated position.

公开(公告)号：US20190061586A1

公开(公告)日：2019-02-28

申请号：US16111012

申请日：2018-08-23

Applicant: NHK SPRING CO., LTD.

Inventor： Takeshi Nakamura ,  Kenichi KATSUBE ,  Junichi TAKADA ,  Masamichi KOBORI

IPC: B60N2/885 ,  B60N2/806

Abstract: A headrest includes: a main frame, left and right side frames, and left and right rotation-coupling portions. The main frame is supported at an upper end portion of a seatback. The left and right side frames that are disposed on left and right sides of the main frame. The left and right rotation-coupling portions couple the left and right side frames to the main frame such that the left and right side frames are capable of rotating with respect to the main frame about left and right up-down-extending axes. Each rotation-coupling portion includes a boss hole, a boss, a hinge hole, and a hinge.

公开(公告)号：US20230415616A1

公开(公告)日：2023-12-28

申请号：US18337305

申请日：2023-06-19

Applicant: NHK SPRING CO., LTD.

Inventor： Kenichi KATSUBE ,  Tsuyoshi MATSUZAWA ,  Shinya SAWA ,  Junichi NAKAYAMA

IPC: B60N2/07

CPC classification number: B60N2/0715 ,  B60N2/0725

Abstract: A slide device including: a fixed rail; a movable rail; a belt-shaped cover member including a coupling plate coupled to the movable rail at an end portion of the belt-shaped cover member, the belt-shaped cover member closing an opening groove of the fixed rail between a longitudinal end portion of the fixed rail and the movable rail; and a slide cover that covers a periphery of a side edge portion of the cover member, wherein the slide cover includes: an upper wall; a lower wall; and a rib disposed along a sliding direction of the movable rail and protruding in a direction toward the side edge portion of the cover member, on at least one of a surface of the upper wall facing the side edge portion of the cover member or a surface of the lower wall facing the side edge portion of the cover member.

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.

公开(公告)号：US20180208081A1

公开(公告)日：2018-07-26

申请号：US15874995

申请日：2018-01-19

Applicant: MITSUBA Corporation ,  NHK SPRING CO., LTD.

Inventor： Naohiro IWATATE ,  Junichi BUSUJIMA ,  Kenichi KATSUBE ,  Takeshi NAKAMURA

IPC: B60N2/02 ,  B60N2/22

CPC classification number: B60N2/0232 ,  B60N2/2231 ,  B60N2002/0236

Abstract: A seat 1 has a seat cushion 2 and a seat back 3 and is mounted on a vehicle such as a car. A reclining mechanism 4 capable of adjusting the tilt angle of the seat back 3 is provided between the seat cushion 2 and the seat back 3. The reclining mechanism 4 has a seat driving device 21 provided with an electric motor 22 and a speed reduction mechanism 23. The speed reduction mechanism 23 has a worm shaft 45 connected to a motor shaft 34 of the motor 22 and a worm wheel 47 meshed with a worm 46 of the worm shaft 45. The worm 46 is a multi-thread worm having two or more threads.