Patent ID: 6974174

Claim:
A retractable seat, comprising: a seat cushion; a seat back rotatably supported on the seat cushion; a link mechanism for supporting the seat cushion on a floor, the link mechanism including a front leg and a rear leg that are each pivotally connected to the seat cushion and the floor, so that the seat can be switched between a use condition and a retracted condition; a restraint mechanism provided on the floor for preventing the link mechanism from moving when the seat is in a use condition, and a lock mechanism, wherein the restraint mechanism comprises a support mechanism for supporting one of the front and rear legs on the floor when the seat is in the use condition, wherein the support mechanism comprises a support member that is separated from the leg to be supported thereby, wherein the lock mechanism is provided on the leg to be supported by the support member, wherein one end of the support member is connected to the lock mechanism, so as to be locked when the seat is in the use condition, and wherein the other end of the support member is rotatably connected to the floor.