Demand watering valve for fowl, birds and small animals

Details Demand watering valve for fowl, birds and small animals Demand watering valve for fowl, birds and small animals

1997-12-23

2000-05-09

Poon, Peter M.

Animal husbandry

Watering or liquid feed device

Drop-delivering

A01K 706

Patent

active

060588810

ABSTRACT:
A demand type watering valve for the watering of birds and small animals in which the output water quantity varies with the level of input force imposed by the seeker of water. A spring biased metering pin extends upwardly in a body passage to the water inlet while a tubular actuator stem extends downwardly dependent in the body passage from an upper engagement with the metering pin to an accessible length beyond the termination of said body. In response to a light demand force, the actuator stem is displaced to rock sideways and permit limited water entry for the water to enter internally of said stem while a greater demand force causes a greater stem displacement to permit concomitant parallel water flow about the exterior of said stem.

REFERENCES:
patent: 3698685 (1972-10-01), Lang
patent: 4402343 (1983-09-01), Thompson et al.
patent: 4637345 (1987-01-01), Hostetler
patent: 4908884 (1990-03-01), John et al.
patent: 4984537 (1991-01-01), Steudler, Jr.
patent: 5131622 (1992-07-01), Chang
patent: 5358216 (1994-10-01), Jang
patent: 5427058 (1995-06-01), Chung
patent: 5522346 (1996-06-01), Clark, IV

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