Animal husbandry – Watering or liquid feed device – Temperature-controlling
Patent
1988-06-15
1990-09-04
Swiatek, Robert P.
Animal husbandry
Watering or liquid feed device
Temperature-controlling
A01K 700
Patent
active
049535072
ABSTRACT:
A livestock watering device is disclosed, including an insulated tank, at least one opening through the top for an animal to gain access, and at each opening, at least one horizontally arranged buoyant door pivotally connected at one side thereof on the underside of the top adjacent to the opening, by flexible rubber straps. The upper surface of each door has a flat periphery on the hinged and adjacent sides for engaging the underside of the top of the tank adjacent the opening, and a scooped central portion falling away from the flat periphery so as to drain away from the periphery. Preferably, the flat periphery of each door lies entirely radially outwardly of the walls of the opening. A resilient seal may be added to provide a double seal. In an alternative embodiment, there are two doors per opening, the doors being pivotally connected at opposite sides of each opening and arranged to swing towards and away from each other.
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patent: 4286546 (1981-09-01), Moore
patent: 4320720 (1982-03-01), Streed
patent: 4572108 (1986-02-01), Daifotes
patent: 4739727 (1988-04-01), Boyer
Manahan Todd #E.
Swiatek Robert P.
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