US 11,679,702 B2
Vehicle seat
Kazuya Miyawaki, Tochigi-ken (JP); and Naoto Yamauchi, Tochigi-ken (JP)
Assigned to TS TECH CO., LTD., Asaka (JP)
Appl. No. 17/623,960
Filed by TS TECH CO., LTD., Asaka (JP)
PCT Filed Jun. 15, 2020, PCT No. PCT/JP2020/023373
§ 371(c)(1), (2) Date Dec. 30, 2021,
PCT Pub. No. WO2021/002177, PCT Pub. Date Jan. 7, 2021.
Claims priority of application No. JP2019-123708 (JP), filed on Jul. 2, 2019.
Prior Publication US 2022/0363173 A1, Nov. 17, 2022
Int. Cl. A47C 3/025 (2006.01); B60N 2/02 (2006.01); B60N 2/56 (2006.01); B60N 2/50 (2006.01)
CPC B60N 2/5642 (2013.01) [B60N 2/501 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A vehicle seat comprising:
a seat back configured to support a back of a seated person;
a seat cushion configured to support buttocks of the seated person;
a frame configured to support the seat cushion and the seat back;
a through hole formed by hollowing out part of a seat surface of the seat cushion or the seat back, the through hole communicating with the frame; and
a rocking unit including a drive mechanism fixed to a portion of the frame that corresponds to the through hole and a movable portion supported by the drive mechanism, the movable portion being configured to abut against the seated person and transmit rocking motion of the drive mechanism to the seated person, wherein
the seat surface is provided with a recessed portion recessed in a thickness direction, the recessed portion being disposed around the through hole, and
the movable portion extends to a periphery of the through hole, and a lower surface of the movable portion is formed in a shape along the recessed portion.