Patent ID: 8480152
Filing Date: 2013-07-09
Classification: B60N

Abstract:
1. A storage assist device for vehicle seat that has a seat cushion supported rotatably with respect to a vehicle body floor and a seat back supported foldably with respect to the seat cushion and selectively changes in position between a use position and a storage position in a state where the seat back is folded down, comprising: a supporting member mounted on a vehicle body floor side for supporting a rotating shaft fixed to the seat cushion; a link member having a fixed portion fixed to the rotating shaft and an engagement portion provided at a position spaced from the fixed portion; a fixing member provided on the vehicle body floor side and disposed at a position spaced at a predetermined distance from the supporting member; and an urging element that applies an urging force in an urging direction, one end of the urging element is attached to the engagement portion of the link member and an other end of the urging element is attached to the fixing member; wherein: the link member is fixed to the rotating shaft in such an orientation so that the distance between the engagement portion and the fixing member is shortest when a center of gravity of the vehicle seat is located on a substantially vertical plane including the rotating shaft; the engagement portion comprises an elongate hole; the one end of the urging element is engaged with and movable in the elongate hole in a direction of the elongation; and the urging element is set such that the urging force is minimized when the center of gravity of the vehicle seat is located on the substantially vertical plane including the rotating shaft.