Animal husbandry – Confining or housing – Birdhouse
Patent
1995-07-17
1996-10-01
Swiatek, Robert P.
Animal husbandry
Confining or housing
Birdhouse
119428, A01K 3100
Patent
active
055603149
ABSTRACT:
The purple martin birdhouse assembly of the present invention includes a plurality of gourds suspended from an array of tubular members. The array is connected by tubular radial arms, from which gourds may also, optionally, be suspended to a central sleeve which is slidably mounted on a pole. The entire array attached to the sleeve may be raised and lowered by a winch and associated pulleys. Undesired rotation of the sleeve, according to a preferred embodiment, is prevented by means of solid, tubular members mounted on the pole which allow for upward movement of the central sleeve but which project downwardly into position adjacent to the radial arms to prevent both clockwise and counterclockwise rotation.
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U. S. Department of Agriculture Farmer's Bulletin, No. 609, pp. 4-5.
Shaw Elizabeth
Swiatek Robert P.
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