Bird feeder

Details Bird feeder Bird feeder

1991-06-21

1992-04-21

Weiss, John G.

Animal husbandry

Feeding device

Powered

119 523, A01K 3901

Patent

active

051057654

ABSTRACT:
A tube-shaped bird feeder with a tiltable perch which allows a person to control the maximum weight of a bird which can feed on the feeder by adjusting the counterweight attached to a tiltable perch. When a heavier bird alights on the perch, the perch swings down out of the way without closing the feeding openings. Once the bird flies away, the perch swings back into a feeding position so a lighter bird can alight and eat the seeds. The feeders can be mounted individually or can be gang mounted on a post stant to permit multiple birds to eat at the feeder. A float located inside the feeder alerts an owner to the need to replenish the feeder.

REFERENCES:
patent: D231369 (1974-04-01), Kilham
patent: 2677816 (1954-05-01), Quist
patent: 2931336 (1960-05-01), Cather
patent: 2965070 (1960-12-01), Myrick
patent: 3568641 (1971-03-01), Kilham
patent: 4327669 (1980-02-01), Blasbalg
patent: 4328765 (1982-05-01), Kilham
patent: 4498423 (1985-02-01), Gainsboro
patent: 4646686 (1987-03-01), Furlani
patent: 4829934 (1989-05-01), Blasbalg
patent: 4846111 (1989-07-01), Kilham
patent: 4966098 (1990-10-01), Freeman
patent: 4996947 (1991-03-01), Petrides

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