US Patent 7997647 Safety seat

A chair includes a chair base and seat frame extending upwardly from the chair base. The chair includes an interlock assembly, and an infant chair repeatably moveable between stowed and deployed positions with the chair base. The interlock assembly restricts and allows the ability of the infant chair to move between the stowed and deployed positions. The interlock assembly restricts the ability of the chair base to rotate in response to the infant chair being in the deployed position.