Patent ID: 6312055
Filing Date: 2001-11-06
Classification: B60N

Abstract:
A lock device of a pivotal seatback, comprising:a base plate secured to said seatback;a lock pin held by said base plate, said lock pin being axially movable between locking and unlocking positions;first biasing means for biasing said lock pin toward said locking position;a lock plate secured to a fixed member, said lock plate having a plurality of lock holes with which said lock pin is engageable when assuming said locking position;a lift plate pivotally held by said base plate, said lift plate lifting said lock pin to said unlocking position when pivoted to a lift position from a rest position;a lift lever pivotally held by said base plate, said lift lever having first and second arm portions, said first arm portion being in contact with said lift plate so that when pivoted to a lift position from a rest position, said lift lever pivots said lift plate to said lift position; andsecond biasing means for biasing both said lift plate and said lift lever to assume their respective rest positions.