Stowable rear seat

A stowable rear seat, comprising:

• a seat back unit;
• and
• a seat cushion unit, wherein
• the seat back unit comprising:
• a tiltable seat back body erecting on a floor surface;
• a seat back locking mechanism for locking a tilt of the seat back body;
• and
• a rocking member provided at a lower end of the seat back body which rocks in an anteroposterior direction in cooperation with a tilting operation of the seat back body after locking of the seat back locking mechanism is unlocked;
• the seat cushion unit comprising:
• a seat cushion body horizontally placed on the floor surface in front of the seat back body, the seat cushion body being foldable on afoot floor surface at a lower position than the floor surface;
• and
• a seat cushion locking mechanism provided in the floor surface, the seat cushion locking mechanism engaging with a back end of the seat cushion body to lock a horizontal state of the seat cushion body on the floor surface, and
• the rocking member is detached from the seat cushion locking mechanism when the seat back body is in an upright state, and is in contact with the seat cushion locking mechanism when the seat back body is in a tilted state to release the lock of the seat cushion locking mechanism.