Rotatable car seat with detachable seat and top anchor

An accessory mount for use with a child safety seat, the seat having a base structure configured to be securable to a seat in a vehicle and having an upwardly extending backrest portion, the backrest portion including an upper end having a rearwardly opening receiver structure with an edge configured to be overlappingly engaged by a tongue disposed on a distal end of a seat shell attached to the base structure, the tongue engaging the receiving opening when the seat shell is rotatably positioned in a forward-facing orientation, the accessory mount comprising:

• an attachment base configured to matingly engage the upper end of the backrest portion when the seat shell is not in the forward-facing orientation;
• a locking member bi-directionally moveable between opposing locked and released positions;
• and
• a lever moveable between closed and open positions and operably connected to the locking member to effect movement between the locked and released positions, respectively, movement toward the locked position when the attachment base is engaged with the upper end to urge the locking member into a restraining engagement with the receiving opening edge and secure the accessory mount to the backrest portion.