Bird feeders

Details Bird feeders Bird feeders

1992-03-04

1993-03-23

Weiss, John G.

Animal husbandry

Feeding device

Powered

119 523, A01K 3901

Patent

active

051954591

ABSTRACT:
A bird feeder comprises: a food holder and shroud which is biased in an open position by a spring. When an animal such as a squirrel not intended to feed from the bird feeder lands on the shroud or a roof portion of the shroud, the weight of the animal causes the shroud to descend against the biasing action of the spring. The shroud closes the food holder thereby preventing he animal from gaining access to the food.

REFERENCES:
patent: 3145690 (1964-08-01), Bachman
patent: 4030451 (1977-06-01), Miller
patent: 4207839 (1980-06-01), Barry
patent: 4541362 (1985-09-01), Dehls
patent: 4646686 (1987-03-01), Farlani
patent: 5016573 (1991-05-01), Power
patent: 5048461 (1991-09-01), Wessner

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