Access limiting bird feeder

Details Access limiting bird feeder Access limiting bird feeder

1977-09-16

1979-03-20

Chamblee, Hugh R.

Animal husbandry

Feeding device

Hopper and trough

119 63, A01K 3901

Patent

active

041448421

ABSTRACT:
This invention relates to a device whereby entry into the feed pan area of a bird feeder is limited to birds of a desired maximum size by means of adjusting the distance between a protective hood and the rim of a feed pan of the bird feeder. Access to the feed area is further limited by making the feed column of the feeder of such a height as to deny squirrels and other marauders a gripping purchase on the top of the feeder while they attempt to reach around the protective hood. In the preferred bird feeder a cylindrical feed column dispenses feed into a pan fixed relative to the bottom of the feed column. An adjustable height conical hood is positioned over the feed pan. Access to the feed in the feed pan is gained by birds passing between the rim of the feed pan and the hood. The maximum size of the bird which may gain access to the feed pan is determined by the distance set between the rim of the feed pan and the hood.

REFERENCES:
patent: 1114482 (1914-10-01), Johnson
patent: 1613985 (1927-01-01), Dennis
patent: 2344367 (1944-03-01), Pueschel
patent: 4030451 (1977-06-01), Miller

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