US 12,319,176 B2
Vehicle seat
Kazuki Maruo, Kariya (JP); Isamu Adachi, Kariya (JP); and Tomoki Yamashita, Kariya (JP)
Assigned to DENSO CORPORATION, Kariya (JP)
Filed by DENSO CORPORATION, Kariya (JP)
Filed on Nov. 21, 2022, as Appl. No. 17/990,926.
Application 17/990,926 is a continuation of application No. PCT/JP2021/009009, filed on Mar. 8, 2021.
Claims priority of application No. 2020-089770 (JP), filed on May 22, 2020.
Prior Publication US 2023/0078759 A1, Mar. 16, 2023
Int. Cl. B60N 2/06 (2006.01); B60N 2/02 (2006.01); B60N 2/16 (2006.01)
CPC B60N 2/165 (2013.01) [B60N 2/02246 (2023.08); B60N 2/02253 (2023.08)] 4 Claims
OG exemplary drawing
 
1. A vehicle seat comprising:
a seat cushion that supports the buttocks of a seated occupant;
a seat back that supports the back of the seated occupant;
a displacement mechanism including a driven gear supported so as to be displaceable in a first direction and a second direction,
wherein the seat cushion or the seat back is displaced in a third direction and a fourth direction by the driven gear being displaced in the first direction and the second direction; and
a motor including an output gear that engages with the driven gear, and a stopping portion that stops the rotation of the output gear in a fifth direction, wherein
the stopping portion is located on a stopping gear and a fixed gear,
the driven gear is displaced in the first direction by the output gear being rotated in the fifth direction, the displacement of the driven gear in the first direction stops due to the rotation of the output gear in the fifth direction being stopped by the stopping portion, the driven gear is displaced in the second direction by the output gear being rotated in a sixth direction, and the rotation of the output gear in the sixth direction is stopped by the displacement of the driven gear in the second direction being restricted,
the displacement mechanism is a lifter link mechanism that displaces the seat cushion in up and down directions of the vehicle seat,
the seat cushion is displaced to the down direction of the vehicle seat by the driven gear being displaced to the first direction,
the seat cushion is displaced to the up direction of the seat by the driven gear being displaced to the second direction, and
the rotation of the output gear in the fifth direction being stopped by the stopping portion causes no load to be output from the output gear to the lifter link mechanism.