Squirrel-proof birdfeeder

Details Squirrel-proof birdfeeder Squirrel-proof birdfeeder

1987-07-14

1989-04-18

Swiatek, Robert P.

Animal husbandry

Feeding device

Timer-controlled

A01K 3901

Patent

active

048216810

ABSTRACT:
A birdfeeder includes a upwardly-opening tray (12) that has an center post or rod (14) affixed thereto and a cover or hood (16) supported on the post and biased by biasing member (32) towards an upward collar (20) with the biasing member accommodating tilting of the cover upon the application of an external force to eject the species that produces the external force.

REFERENCES:
patent: D231368 (1974-04-01), Motter III
patent: D241149 (1976-08-01), Miller et al.
patent: 2866435 (1958-12-01), Blazier
patent: 2891508 (1959-06-01), Bower
patent: 3117554 (1964-01-01), Taylor
patent: 3182635 (1965-05-01), Waite
patent: 3788279 (1974-01-01), Boehland, Jr.
patent: 3948220 (1976-04-01), Fiedler
patent: 4030451 (1977-06-01), Miller
patent: 4102308 (1978-07-01), Kilham
patent: 4207839 (1980-06-01), Barry

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