Patent ID: 9381828
Filing Date: 2016-07-05
CPC Classification: B60N

Claim Text:
1. A vehicle seat comprising: a seat cushion having a seat cushion main body portion for supporting buttocks of an occupant when seated and seat cushion side portions that are disposed on both sides in a seat width direction of the seat cushion main body portion; a seat back having a seat back main body portion for supporting an occupant's back when seated and seat back side portions that are disposed on both sides in the seat width direction of the seat back main body portion; and a varying mechanism supporting both the seat cushion main body portion and the seat back main body portion, and, when activated in the case of supporting the seat cushion main body portion, varying the position of the seat cushion main body portion in a seat upward and downward direction relative to the seat cushion side portions, and, when activated in the case of supporting the seat back main body portion, varying the position of the seat back main body portion in a seat frontward and rearward direction relative to the seat back side portions, wherein: the seat back main body portion is displaced in the seat rearward direction synchronously with the displacement of the seat cushion main body portion in the seat downward direction, the seat back main body portion is displaced in the seat frontward direction synchronously with the displacement of the seat cushion main body portion in the seat upward direction, and the varying mechanism is configured by parallel link mechanisms.