Patent ID: 7261058

Claim:
An apparatus for a self-cleaning litter box, said apparatus comprising: a base adapted to receive a quantity of liner; a rake having a plurality of tines adapted to raking said quantity of litter, said rake movable about a longitudinal axis between an up position and a down position, said rake movable in said base from a rest position to a scoop position; and a controller, said controller initializing said apparatus, said controller determining a status of a rake motor, a turret motor, and a motor overload sensor, said controller determining a state of an animal sensor adapted to sense a presence of an animal in said base, said controller monitoring a rake position by querying a plurality of rake limit switches and a plurality of turret limit switches, said controller controlling said rake position by moving said rake from said rest position to said scoop position with said rake being in said down position, said controller controlling said rake position to open a waste bin cover.