Squirrel-proof bird feeder

Details Squirrel-proof bird feeder Squirrel-proof bird feeder

1983-01-04

1985-06-18

Swiatek, Robert P.

Animal husbandry

Feeding device

Timer-controlled

A01K 3901

Patent

active

045235465

ABSTRACT:
A device for squirrel-proofing bird feeders includes a flexible covering sheet mounted above or to the upper end of the bird feeder. The sheet is dimensioned and located with respect to the feeder so that when a squirrel attempts to walk on the sheet, the sheet will flex and bend downwardly under the influence of the squirrel's weight. The squirrel will slide off the sheet and with no means or opportunity to grab onto any portion of the sheet or the feeder which it covers.

REFERENCES:
patent: 1108764 (1914-08-01), Kull
patent: 2891508 (1958-01-01), Bower
patent: 3105463 (1963-10-01), Pilch
patent: 4026244 (1977-05-01), Salick
patent: 4102308 (1978-07-01), Kilham
patent: 4188913 (1980-02-01), Earl et al.
patent: 4207839 (1980-06-01), Barry
patent: 4303040 (1981-12-01), Mann

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