SEAT LOCKING MECHANISM FOR VEHICLE

PURPOSE:To permit full-bedding operation without using any linkages by attachiing pivotably two latches engageable with a lock pin on a floor bracket. CONSTITUTION:A lock pin 26 engages a slot in a bracket 23 of floor, and first and second latches 22, 29 are supported pivotably on a plate 24 fixed to the bracket 23. A engaging slot 30 of the first latch 22 and a notch of the second latch 29 can removably engage the lock pin 26 and are urged in the engaging direction by springs 32, 35. A projection 39 on the first latch 22 can engage a cam surface 40 of the second latch 29, and the first latch 22 is provied with a slide surface 41 connected to a seat back 12 through a wire 20. In full-bedding the engaging slot 30 is released from the lock pin 26 to engage the notch 31 guide the lock pin 26 on the slide surface 41 in return so that the projection 39 engages the cam surface 40 to permit the lock pin 26 to engage the engaging slot 30.