Purple martin birdhouse and telescoping pole

Animal husbandry – Confining or housing – Birdhouse

Patent

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Details

A01K 3100

Patent

active

060098376

ABSTRACT:
A purple martin birdhouse mounted on a receiver that is adapted to be attached to a non-rotatable telescoping pole, the receiver and the sections of the telescoping pole having a bore of cross section the shape of a convex polygon. The shape of the receiver and the telescoping pole prevent relative rotation when the birdhouse is mounted on the pole and lowered for a nest check. A resiliently biased pin connects the receiver to the pole in only one orientation, preventing incorrect polarization of the house when it is reinstalled on the pole at the beginning of a season.

REFERENCES:
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patent: 3563205 (1971-02-01), Vail
patent: 3696792 (1972-10-01), Bruhns
patent: 3792685 (1974-02-01), Wiener
patent: 5540017 (1996-07-01), Eilam et al.

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