Self cleaning litter system

Details Self cleaning litter system Self cleaning litter system

1990-08-31

1991-09-17

Weiss, John G.

Animal husbandry

Waste toilet or related device

Walled receptacle; e.g., litter box, etc., containing...

209235, 209362, A01K 101, B07B 100

Patent

active

050484648

ABSTRACT:
A litter system includes a chamber for containing a quantity of particulate litter. The chamber includes front and rear walls, the front wall thereof including an aperture providing an entry way to the chamber for an animal. A helical shaped screen is disposed within the chamber and extends from adjacent the front end to adjacent the rear end of the chamber for separating the litter from animal waste and for transporting the animal waste through the chamber. Structure is provided for rotating the chamber, such that animal waste is transported through the chamber as the chamber rotates.

REFERENCES:
patent: 4190525 (1980-02-01), Menzel
patent: 4574735 (1986-03-01), Hohenstein
patent: 4846104 (1989-07-01), Pierson
patent: 4854267 (1989-08-01), Morrow

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