Valve for drinkers and automatic drinker provided therewith

Details Valve for drinkers and automatic drinker provided therewith Valve for drinkers and automatic drinker provided therewith

1992-04-10

1994-04-12

Swiatek, Robert P.

Animal husbandry

Watering or liquid feed device

Drop-delivering

119 81, 251332, A01K 3902

Patent

active

053016351

ABSTRACT:
A valve having a metal washer (5) slightly extending from the periphery of the passage of the narrowing (2) of the valve body member (1) avoiding friction of the push member (11) in said narrowing; and the formation, in the upper gasket (12) of a concave bevel (13) where the ball (14) engages, forming a contact area which increases the watertightness of the gasket. It is a feature of the drinker that the bowl (35) and the stem (36) are integral, the stem having a cruciform section reinforcing it and facilitating the fall of the water through the lower port (47) of a threaded bushing (40) screwed on a lower tubular extension (43) of the body member (1') of the valving device (1') on which extension there is also threaded a locknut (45) ensuring the position of the threaded bushing (40). A version having a single rigid gasket (8') with elimination of the washer (5) is contemplated.

REFERENCES:
patent: 3283746 (1966-11-01), Ruter
patent: 3398927 (1968-08-01), Ruter
patent: 4196699 (1980-04-01), Leeming
patent: 4228821 (1980-10-01), Stark
patent: 4524724 (1985-06-01), Steudler, Jr.
patent: 4606301 (1986-08-01), Steudler, Jr.
patent: 4637345 (1987-01-01), Hostetler
patent: 4779571 (1988-10-01), Row
S. J. M. Verdoodt, Examiner, European Search Report, Dec. 8, 1992.

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