Self cleaning pet litter box

Details Self cleaning pet litter box Self cleaning pet litter box

1996-05-03

1999-08-03

Lavinder, Jack W.

Animal husbandry

Waste toilet or related device

Activated by presence of animal

119166, A01K 101

Patent

active

059311193

ABSTRACT:
A self cleaning pet litter box for receiving animal waste including an upwardly open pan containing cat litter being mounted for rotation on a support frame, a collection container for receiving animal waste removed from the pan, a raking mechanism for gathering and removing animal waste from the rotating cat litter pan into the collection container. A supply chamber replenishes litter to the pan. The litter box includes an electronic control system including an electro-optical intrusion detector.

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patent: 4574735 (1986-03-01), Hohenstein
patent: 4854267 (1989-08-01), Morrow
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patent: 5107797 (1992-04-01), LaRoche
patent: 5178099 (1993-01-01), Lapps et al.
patent: 5181480 (1993-01-01), Dabolt
patent: 5279258 (1994-01-01), Kakuta
patent: 5477812 (1995-12-01), Waters
patent: 5662066 (1997-09-01), Reitz
patent: 5749318 (1998-05-01), Barbot et al.

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