Pet accessory for use with a commode

A pet accessory for attachment to a commode comprising a support having an opening adapted to be located over said commode, trap door means for selectively obturating said opening, electro-mechanical means for operating said trap door means, sensing means for sensing when a pet has been on and departed from said trap door means for actuating said electro-mechanical means, cleansing means for cleansing said trap door means under the control of said sensing means, said cleansing means including an electromagnetic valve coupled to said sensing means, said support including depending protrusions for extending into said commode and locating the support on said commode, said electromechanical means including reversible motors and said trap door means including flaps operated by said motors, timing means to control the length of time said trap door means is operated, and a ramp leading to said support, said cleansing means including a perforated tube detachably resting on said support, said sensing means includes a light source and a photoelectric cell in operative combination, said timing means further sensing that the pet has arrived between the light source and photoelectric cell and departed therefrom in sequence before controlling the said length of time, said timing means including a flip-flop and inverter coupled to said photoelectric cell, an AND gate coupling said flip-flop to said electromechanical means, a delay means coupling said inverter to to said flip-flop for a resetting of the latter, and timing and reversing means coupling said AND gate to said electromechanical means whereby the trap door means is first opened and then closed.