Animal husbandry – Waste toilet or related device – Activated by presence of animal
Patent
1996-02-28
1997-09-02
Price, Thomas
Animal husbandry
Waste toilet or related device
Activated by presence of animal
A01K 2900
Patent
active
056620667
ABSTRACT:
A cat litter device includes a rotatable chamber supported by a support base and has a motor mounted on the support base for rotating the rotatable chamber. The rotatable chamber includes a pair of openings, the first opening being suitable for ingress and egress of the animal, and the second opening being suitable for selective disposal of the waste material therethrough. The chamber includes a septum in the interior thereof which is attached to the chamber to form an inner compartment within the chamber. The inner compartment has an opening therein to place the compartment in fluid communication with the chamber, with the opening being selectively covered with a screen which is pivotally mounted to the septum. When the controller associated with the device detects a presence signal from a motion sensor, the motor can be provided with a signal to rotate the chamber in a first direction sufficient to allow the litter to enter the inner compartment through the screen and filter out the waste material which slides along the screen and septum and is directed out of the second opening. The controller then reverses the direction of the motor and rotates the chamber back so that the litter returns to the original position in the chamber.
REFERENCES:
patent: 4120264 (1978-10-01), Carter
patent: 4846104 (1989-07-01), Pierson, Jr.
patent: 5048464 (1991-09-01), Shirley
patent: 5107797 (1992-04-01), La Rouche
Advertisement for "LitterMaid", p. 71, World Traveler, Jan. 1996.
Advertisement for "LitterMaid", pp. 49, The Sharper Image Catalog, Holiday 1995.
Crouch Robert G.
Price Thomas
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