Excrement screening device and method
US11432525B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2020 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Jul 22, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/0114
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed are an excrement screening device and method. The excrement screening device includes a rotary receiving piece, a litter blocking piece and a screening piece. The rotary receiving piece is configured to receive cat litter and the rotary receiving piece is provided with a waste discharge outlet. The litter blocking piece is disposed in the rotary receiving piece and the litter blocking piece is configured to block the cat litter in a case where the rotary receiving piece rotates along a first direction. The screening piece is disposed in the rotary receiving piece, the screening piece is provided with a plurality of screening holes, and an accommodating cavity is formed by the screening piece, the litter blocking piece and the rotary receiving piece. The excrement screening method uses the above-mentioned excrement screening device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.