Animal husbandry – Watering or liquid feed device – Drop-delivering
Patent
1989-09-01
1991-01-15
Swiatek, Robert P.
Animal husbandry
Watering or liquid feed device
Drop-delivering
A01K 706
Patent
active
049845373
ABSTRACT:
A nipple drinker particularly adapted for feeding liquid to fowl and/or small animals which includes a passage, a ball valve closing the passage when seated on at least one valve seat, and a ball valve actuating stem having a head and a pin, the head having a concave surface and a through bore opening therethrough, and an exterior surface of the pin having at least one water flow channel whereby both small and large fowl and/or animals can actuate the stem to unseat the ball valve in proportion to the force applied to the stem which not only provides proportional water flow but also assures automatic self-cleaning or flushing of the recess.
REFERENCES:
patent: 3416499 (1968-12-01), Wilmot
patent: 3734063 (1973-05-01), Atchley
patent: 4284036 (1981-08-01), Hostetler
patent: 4329941 (1982-05-01), Niki
patent: 4346672 (1982-08-01), Niki
patent: 4416221 (1983-11-01), Novey
patent: 4458632 (1984-07-01), Niki
patent: 4589373 (1986-05-01), Hostetler et al.
patent: 4606301 (1986-08-01), Steudler, Jr.
patent: 4637345 (1987-01-01), Hostetler
Manahan Todd #E.
Swiatek Robert P.
Val Products Inc.
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