Mini drinker
US4793291A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 10, 1987 |
| Grant date | Dec 27, 1988 |
| Priority date | — |
| Expiry date | Aug 10, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K39/022
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A trough drinker is provided which is detachably secured to the exterior of the supply line separately from and operably associated with a detachable trigger drinker or nipple drinker. The trough drinker includes a vertically extending stem, an elongated housing disposed about the stem and closely separated therefrom, a trough portion extending about the circumference of the housing for retaining water, a base skirt radially extending from the lower portion of the stem, an annular flange extending from the upper portion of the housing, and a spring biasing arrangement to move the flange upward when a predetermined level of fluid is present in the trough. The trigger drinker or nipple drinker is longitudinally offset from the trough drinker along the supply line such that the upward movement of the flange causes the trigger drinker or nipple drinker to be actuated and fluid to flow into the trough over the exterior surface of the housing. The trigger drinker or nipple drinker is separately detachable from the supply line without removing the trough drinker. The trough drinker is snap-fit to the supply line such that rotation and longitudinal movement are prevented. The spring biasin…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.