Bird anti-perching device

Details Bird anti-perching device Bird anti-perching device

1993-05-03

1996-03-12

Friedman, Carl D.

Static structures (e.g., buildings)

Animal blocking lateral projection, trap, or scarer

A01K 300

Patent

active

054975859

ABSTRACT:
A bird anti-perching device for preventing birds and other animals from perching, nesting or crossing on billboards and other structures such as utility lines, branches, ledges, roof tops and overhangs. In a preferred embodiment, the device has a plurality of rotatable rings strung consecutively on a cable supported above the top frame member of a billboard. The cable is supported above the top frame member by two support arms placed at opposite ends of the billboard. The support arms incorporate a tightening means for making adjustments in the height and rigidity of the cable.

REFERENCES:
patent: 2485148 (1949-10-01), Fralin
patent: 2938244 (1960-05-01), Christensen
patent: 3005436 (1961-10-01), Caldwell
patent: 4262169 (1981-04-01), Lanton
patent: 4748060 (1988-05-01), Fry
patent: 4937988 (1990-07-01), Gratton
patent: 4962619 (1990-10-01), Chatten
patent: 4967799 (1990-11-01), Bradshaw

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