Self-cleaning cat waste disposal device
US4096827A · kind A · utility
Inventor
Key dates
| Filing date | Jan 11, 1977 |
| Grant date | Jun 27, 1978 |
| Priority date | — |
| Expiry date | Jan 11, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/0125
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A self-cleaning cat waste disposal device having a portable suitcase style container structure with two substantially identical compartments pivotally connected together along one edge thereof and latchable together by a three-way handle along an opposite edge thereof. A pivotally mounted screen unit is included between the container compartments and latchable to one or the other by the handle structure. The handle structure functions in a three-way manner and permits the screen unit and the two container units to be all three firmly latched together, or the screen unit to be positively latched to one container unit or the other. One embodiment of the device provides for a single removable trap unit associated with the pivotal connection for both the container compartments and with a guide funnel arrangement for catching waste from one of the compartments or the other when the device is being operated. Another embodiment provides for a removable trap unit associated with each of the respective container compartments. Appropriate detent retention features for the trap units are also provided, as well as guide channel structure between the edges of the screen unit and the inside lip …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.