Patent ID: 7484801

Claim:
A detachable child safety seat comprising: a base member having a bottom wall and a stand wall rising from a rear end of the bottom wall and extending upward; a seat body having a seat and a backrest and being mounted on said base member detachably; an upper locking mechanism to lock or unlock the stand wall of said base member and the backrest of said seat body; a lower locking mechanism to lock or unlock the bottom wall of said base member and the seat of said seat body; and a synchronization mechanism to connect said upper locking mechanism to the lower locking mechanism and synchronize locked states or unlocked states of both locking mechanisms; wherein: a base side front engagement member extending in a width direction at a front position, and a base side rear engagement member extending in the width direction at a rear position are provided in said base member, a seat body side engagement member extending along a side of a square substantially and engaging with said base side front engagement member or said base side rear engagement member is provided in a bottom surface of said seat of said seat body; said base side front engagement member comprises two front catch clamps positioned apart from each other in the width direction, said base side rear engagement member comprises two rear catch clamps positioned apart from each other in the width direction, and said seat body side engagement member comprises a front engagement rod positioned at the front and extending in the width direction, a rear engagement rod positioned at the rear and extending in the width direction, and a pair of side engagement rods positioned at both sides and extending in the forward and backward direction.