US 12,005,815 B2
Vehicle seat
Hiroki Toyoshima, Aichi (JP); Junpei Sato, Aichi (JP); and Akiko Hirose, Aichi (JP)
Assigned to TOYOTA BOSHOKU KABUSHIKI KAISHA, Aichi (JP)
Filed by TOYOTA BOSHOKU KABUSHIKI KAISHA, Aichi (JP)
Filed on Sep. 19, 2022, as Appl. No. 17/947,568.
Claims priority of application No. 2021-153483 (JP), filed on Sep. 21, 2021.
Prior Publication US 2023/0086757 A1, Mar. 23, 2023
Int. Cl. B60N 2/16 (2006.01); B60N 2/02 (2006.01); B60N 2/18 (2006.01)
CPC B60N 2/0224 (2013.01) [B60N 2/1615 (2013.01); B60N 2/165 (2013.01); B60N 2/1864 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A vehicle seat, comprising:
a seat cushion;
a cushion frame supporting the seat cushion; and
a lifting device configured to raise and lower at least a portion of the seat cushion,
wherein the lifting device comprises:
a power source;
a pinion gear rotated by the power source;
a sector gear engaged with the pinion gear;
a link coupled to the cushion frame, and rotating, together with the sector gear, with respect to the cushion frame; and
a rubber member attached to the cushion frame,
wherein the link is configured to be displaced between a first position where a position of the seat cushion is lowest and a second position where the position of the seat cushion is highest, by rotation of the sector gear, and
wherein, in a state that the link is in at least one of the first position, the second position, or a region between the first position and the second position, the rubber member is brought in pressure contact with the sector gear along a direction intersecting a rotational axis of the sector gear and moves along an arc relative to the sector gear, the arc having a center that is a pivot axis of the rubber member, wherein the pivot axis is offset from the rotational axis of the sector gear.