Animal husbandry – Watering or liquid feed device – Fountains and troughs
Reexamination Certificate
2007-07-17
2007-07-17
Collins, Timothy D. (Department: 3643)
Animal husbandry
Watering or liquid feed device
Fountains and troughs
C119S054000
Reexamination Certificate
active
10998434
ABSTRACT:
A drinking trough having a drinking valve assigned to a water-supply line, the drinking valve having a valve pin that moves in order to discharge water; a water-collecting bowl assigned to the respective drinking valve; an actuating means or elongated actuating end of the valve pin extending from the valve pin to a water-accommodating hollow of the water-collecting bowl, the actuating means being movable between an actuated position to an unactuated position; and a starter body assigned to the respective water-collecting bowl, in which the starter body actuates the actuating means by moving the actuating means to the actuated position when water in the water-collecting bowl reaches a certain lower level, whereby the moving of the actuating means to the actuated position actuates the valve pin so as to allow water to flow from the drinking valve into the water-collecting bowl, and when the water in the water-collecting bowl reaches a certain higher level, the actuating means moves to the unactuated position, whereby the moving of the actuating means unactuates the valve pin so as to cease the flow of water from the drinking valve.
REFERENCES:
patent: 1172584 (1916-02-01), Conrad
patent: 3286724 (1966-11-01), Sawyer
patent: 4656970 (1987-04-01), Hostetler
patent: WO 0051420 (2000-09-01), None
Meyer Wolfgang
Schumacher Egon
Collins Timothy D.
Colton Laurence P.
Lubing Maschinenfabrik Ludwig
Powell & Goldstein LLP
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