Patent ID: 7293528

Claim:
A pet litter containment and cleaning system comprising: a pan module adapted to hold pet litter comprising a front portion, a rear portion, sides, and a bottom; the pan rear portion forming an angle between about 20 degrees and about 70 degrees with a plane containing the pan bottom; a processor module comprising: a bottom portion attached to the rear portion of the pan module; a top portion comprising a waste containment compartment comprising a floor; a litter screen attached to the waste containment compartment floor; a litter retention shield attached to the waste containment compartment floor, extending to about a top edge of the litter screen; processor module sides comprising an interior, an exterior, and a front; at least one axle projecting perpendicularly outward from the side exteriors about one to six inches; the at least one axle defining an axis of rotation for the system; side shields fastened to front sides of the processor module and aligned approximately parallel with the sides; a processor cap, comprising a front portion and a rear portion, removably attached to the top portion of the processor module; the processor cap rear portion covering the waste containment compartment; the processor cap front portion projecting past the front of the processor module to form a waste guide; the processor cap further comprising a processor cap door; a support comprising axle bearing areas upon which the at least one axle rests; a motor, a motor control system, lifting arms, and at least one system lifting bar wherein: the motor control system is operably attached to the motor; the motor is operably attached to the at least one axle; each lifting arm comprising an axle engaging portion at one end, a pan engaging portion at another end, and a shaft portion therebetween; the pan engaging portion of a lifting arm is attached to a side of a pan module and the axle engaging portion of a lifting arm is attached to the at least one axle; the motor operably attached to the at least one system lifting bar whereby the motor engages the at least one system lifting bar to lift the rear portion of the pan module thereby leveling litter within the pan module.