Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Patent
1996-12-16
1998-12-01
Carone, Michael J.
Animal husbandry
Waste toilet or related device
Walled receptacle; e.g., litter box, etc., containing...
119484, A01K 1035
Patent
active
058424385
ABSTRACT:
A cat litter box comprising a generally parallelepiped housing installed in a window opening of a dwelling. An expandable curtain enshrouding the housing permits unit width to be adjusted for different window frames. An internal partition divides the housing interior into a litter box compartment and an adjoining entrance foyer. The compartment holds a conventional litter box. One compartment wall comprises a pivoting shelf that opens for litter box servicing. The foyer permits entry into the housing while a port penetrating the partition permits movement between the foyer and the compartment. A capture system in the foyer recovers unused litter and other debris as a cat moves over it. The capture system comprises a storage tray with a perforated lid. The recovered litter may be transferred from the tray to the litter box during servicing. A distraction window increases a cat's residence time in the foyer. An optional grooming disk in the port removes loose hair from a cat when it moves between the foyer and the compartment. Preferably, an automatic ventilation orifice is located near the top corner of an exterior housing wall in the compartment. The orifice is covered by an exterior shield and an inner flap that prevents debris from entering the housing. The flap is normally closed, but when a door shuts in the dwelling the flap is forced open by the resultant pressure differential. The pressure differential also forces air to flow from the compartment to the housing exterior.
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Carone Michael J.
Carver Stephen D.
Kitty Kan, Inc.
Shaw Elizabeth
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