Automatic aquarium feeding device

Details Automatic aquarium feeding device Automatic aquarium feeding device

1977-05-16

1978-12-19

Kinsey, Russell R.

Animal husbandry

Feeding device

Timer-controlled

119 5113, A01K 110

Patent

active

041300890

ABSTRACT:
Food is automatically and periodically dispensed to an aquarium over long periods of time by means of a pivotally mounted arm which has a shallow food containing bowl on one end and which operates directly responsive to evaporation of liquid from a liquid containing cup on the opposite end. A supply of food is placed in the shallow bowl which extends over the surface of the aquarium water. A prescribed volume of water or other liquid having an established rate of evaporation is placed in the liquid containing cup to balance the reciprocating arm by weight. Additional water or liquid in an amount known to evaporate in a given period of time is then added to the liquid already in the cup. As the measured liquid evaporates the food containing bowl will begin to tilt downwardly after an initial period and the food will spill into the aquarium at a preselected time determined by the rate of liquid evaporation. To feed for a period of days, a series of such arms are provided with the liquid cup of each having differing amounts of liquid premeasured to activate the arms after differing time periods.

REFERENCES:
patent: 2900022 (1959-08-01), Friedman
patent: 2905144 (1959-09-01), Prigg, Jr.

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