US 12,075,912 B2
Seat device that can convert state of seat
Masanobu Nakane, Shizuoka (JP); Shunya Ebina, Shizuoka (JP); and Yutaka Nagao, Shizuoka (JP)
Assigned to KOITO ELECTRIC INDUSTRIES, LTD., Shizuoka (JP)
Appl. No. 17/905,060
Filed by KOITO ELECTRIC INDUSTRIES, LTD., Shizuoka (JP)
PCT Filed Sep. 16, 2020, PCT No. PCT/JP2020/035113
§ 371(c)(1), (2) Date Aug. 25, 2022,
PCT Pub. No. WO2021/171666, PCT Pub. Date Sep. 2, 2021.
Claims priority of application No. 2020-034280 (JP), filed on Feb. 28, 2020.
Prior Publication US 2023/0109265 A1, Apr. 6, 2023
Int. Cl. A47C 1/024 (2006.01); A47C 3/18 (2006.01)
CPC A47C 1/024 (2013.01) [A47C 3/18 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A seat device that can convert a state of a seat, comprising:
a reclining mechanism that can tilt a backrest of the seat;
an operation part that performs an operation of tilting the backrest by the reclining mechanism;
a lock mechanism that can restrain the operation part in an inoperable manner;
an engaging portion provided in a fixed side of the seat; and
an engaged portion that is provided in a movable side of the seat, and can be displaced by being engaged with the engaging portion when the seat is in a specific state,
wherein an operation of tilting the backrest by the reclining mechanism is disabled when the seat is in the specific state,
the lock mechanism restrains the operation part in an inoperable manner when the seat is in the specific state, and
the engaged portion and the lock mechanism are connected to each other via transmission means, displacement of the engaged portion is transmitted to the lock mechanism via the transmission means, and the lock mechanism restrains the operation part in an inoperable manner.