Bird feeder

Details Bird feeder Bird feeder

1990-12-03

1992-02-11

Hirsch, Paul J.

Animal husbandry

Feeding device

Hopper and trough

119 5101, 119 579, A01K 3100

Patent

active

050867300

ABSTRACT:
A bird feeder for preventing rodents from grabbing bird seed in the bird feeder. The feeder includes a silo having a first end and a second end with an opening to permit seed to flow onto a supporting tray below the silo. A conically shaped cover is attached adjacent the silo. The cover extends outward in a substantially straight line from a narrow portion which is connected to the top of the silo to a wide portion. The straight line terminates the cover in the wide portion. The diameter of the perimeter of the wide portion, has a ratio selected with respect to the diameter of the perimeter of the feeder tray, to prevent rodents from accessing the feeder.

REFERENCES:
patent: 2987041 (1961-06-01), Bard
patent: 3316884 (1967-05-01), Viggars
patent: 3730139 (1973-05-01), Moore
patent: 4144842 (1979-03-01), Schlising
patent: 4389975 (1983-06-01), Fisher, Jr.

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