Patent ID: 11904744
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A vehicle-mounted seat device, comprising:
a seat back main frame standing in a vehicle cabin;
a back rest which is configured to support the back of a seated person;
a relay disc fixed at a center of the back rest in a width direction;
a first engagement member fixed with respect to the seat back main frame at a position higher than the relay disc;
an upper wire provided between the relay disc and the first engagement member for suspending and holding the back rest so as to be able to swing with respect to the seat back main frame with the relay disc being the center; and
a height adjustment mechanism constructed to be capable of pulling in part of the upper wire for changing a disposed height of the back rest with respect to the seat back main frame by changing an amount by which the upper wire is pulled in, the height adjustment mechanism comprises a fixed pin and a movable pin movable with respect to the fixed pin, the upper wire hooked to the fixed pin and the movable pin, wherein when the movable pin moves away from the fixed pin, the upper wire is pulled in by an increased amount to elevate the relay disc.