Marauder-deterrent bird feeder pole and platform slide assembly

Details Marauder-deterrent bird feeder pole and platform slide assembly Marauder-deterrent bird feeder pole and platform slide assembly

1993-12-09

1994-10-18

Mancene, Gene

Animal husbandry

Feeding device

Powered

2481231, 2481621, 119 523, A01K 3900, A01K 2900

Patent

active

053558359

ABSTRACT:
A marauder-deterrent bird feeder pole and platform slide assembly includes a hollow upright pole adapted at a top end to support a bird feeder, a platform subassembly mounted about the pole for undergoing reciprocal movement between bottom and top ends of the pole, lower and upper pluralities of guide rollers respectively mounted to the lower and upper ends of the platform subassembly to undergo rotational movement relative thereto and rollably engaging the pole below and above the lower and upper ends of the platform subassembly so as to movably support the platform subassembly on the pole, and a biasing subassembly connected to the pole and to the platform subassembly for biasing the platform subassembly to move upward toward a raised home position adjacent to and spaced below the top end of the pole in absence of the weight of a marauding animal being imposed on the platform subassembly. The biasing subassembly is also yieldable to allow the platform subassembly to yield away from the raised home position and move downward toward a lowered displaced position remote from and spaced below the top end of the pole in response to the weight of the marauding animal being imposed thereon.

REFERENCES:
patent: 1273308 (1918-07-01), Zsabka
patent: 2151877 (1939-03-01), Walker
patent: 2891508 (1959-06-01), Bower
patent: 3145690 (1964-08-01), Bachman
patent: 3301217 (1967-10-01), Prowinsky
patent: 3367632 (1968-02-01), Vail
patent: 3986480 (1976-10-01), Vail
patent: 4031856 (1977-06-01), Chester
patent: 4158490 (1979-06-01), Gottschalk et al.
patent: 5086730 (1992-02-01), Figley

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