Patent ID: 8845026
Filing Date: 2014-09-30
Classification: B60N

Abstract:
1. A vehicle seat, comprising: a seat back, the seat back having an upper portion and a lower portion, the seat back being movable between a back use position and a back retracted position; a head rest connecting to the upper portion of the seat back; a shaft, wherein the lower portion of the seat back being rotatable about the shaft between the back use position and the back retracted position; a seat cushion, the seat cushion being movable between a cushion use position and a cushion retracted position; a support arm of the seat cushion having a first end and a second end, the first end configured to be pivotally connected to a vehicle floor, and the second end configured to be pivotally connected to the seat cushion; a lock member having an unlock position and a lock position, wherein the unlock position allows the seat back to rotate about the shaft, and the lock position prevents the seat back from rotating about the shaft; and an actuator mechanism connecting the support arm to the lock member, wherein when the seat cushion rotates about the first end of the support arm between the cushion use position and the cushion retracted position, and when the seat cushion passes a predetermined intermediate position between the cushion use position and the cushion retracted position, the support arm is configured to cause the actuator mechanism to unlock the lock member, and a length of the support arm is configured to accommodate the head rest between the first end and the second end of the support arm when the seat cushion is in the cushion retracted position, and a rear end of the seat cushion is configured to be flush with a rear surface of the seat back when the seat cushion is in the cushion retracted position and the seat back is in the seat retracted position.