VEHICLE SEAT

A vehicle seat (1) in which a forward tilting of a frame (3a) causes a turning of a walk-in member (5), the turning of the walk-in member (5) causes a turning of a disengagement member (7), the turning of the disengagement member (7) causes a turning of a tip-up locking member (11) thereby disengaged from a stopper member (12), and then a cushion frame (2a) is tipped up by a rotational biasing force applied by a biasing unit (16).