Animal husbandry – Watering or liquid feed device – Temperature-controlling
Patent
1975-03-31
1977-01-18
Chamblee, Hugh R.
Animal husbandry
Watering or liquid feed device
Temperature-controlling
119 78, A01K 700
Patent
active
040033406
ABSTRACT:
This invention relates to a stock watering trough that is kept covered at all times when not in use by a pair of floating lid sections hingedly attached on opposite sides of a transversely-extending support therefor. The lid sections each have a crowned configuration that results in the marginal edges thereof being immersed below the level of the water upon which they float. A thermostatically-controlled immersion heater, float-actuated shut-off valve and overflow drain are all located within a protected area beneath the lids between a pair of oppositely-inclined stops for the latter. These lid sections cooperate with one another and said stop to define shields interposed between the aforementioned working parts and the drinking animals. The exposed surfaces of the trough including the lids are formed from a smooth, easily-cleaned light-colored plastic material laminated to a dark-colored backing impregnated with a heat-reflective substance, preferably ablated mica. The trough has upwardly and inwardly sloping outer wall surfaces that include integrally-formed triangular webs projecting outwardly therefrom that cooperate to prevent the animals from stepping over the rim into the reservoir while, at the same time, allowing them to drink easily therefrom with their front feet resting comfortably upon a concrete base surrounding same. The concrete base comprises a poured slab having a step formed therein spaced from the edge of the trough a distance such that an animal standing beyond same cannot back up to the trough close enough to foul it.
REFERENCES:
patent: 3027872 (1962-04-01), Nelson
patent: 3745977 (1973-07-01), Martin
patent: 3841268 (1974-10-01), Bunger
Feck Norman L.
Johnston Vincent P.
Kuzara James H.
Chamblee Hugh R.
J-K Mfg. Co., Inc.
Spangler, Jr. Edwin L.
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