Watering cup for poultry and animals
US4221188A · kind A · utility
24Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 30, 1979 |
| Grant date | Sep 9, 1980 |
| Priority date | — |
| Expiry date | Apr 30, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K7/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A watering cup for fowl and animals has a telescopic valved and sealed fit of a normally closed valved tubular part of a cup housing within a normally closed valved depending tubular outlet of a water supply line and a hook interlock of said telescoping parts. A cup pivoted in the cup housing below the valved tubular cup part has a projection for opening the valve of the tubular cup housing part and a spring controlled by adjustable tensioning means urges said cup and its projection toward valve opening position when less than a selected quantity of water is contained in the cup.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.