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US 6,543,384 B2Granted
Bird feeder having lower movable shroud
OwnerPaul Coteinventor
Life of this patent
Estimating the term…
Abstract
A squirrel proof bird feeder wherein there is provided a lower movable shroud which extends about a lower portion of the feed container having feed access openings therein, a spring member biasing the shroud to a position wherein feed container access openings and shroud access openings are substantially aligned while permitting the shroud access opening to move out of alignment with the feed container access opening when a predetermined weight is placed on the shroud. An adjustment is provided for adjusting the weight required to move the shroud.
Claims19
A bird feeder comprising:
- a feed container having a base and an outer wall extending upwardly therefrom, at least one feed container access opening in said outer wall;
- a cover member, said cover member being removably connected to an upper portion of said feed container;
- a shroud extending about at least a portion of said feed container, at least one shroud access opening substantially aligned with said feed container access opening to thereby permit access to said feed container;
- an elongated hollow center tube within said feed container, said hollow center tube being connected to said feed container;
- an elongated rod within said center tube, said rod being connected to said shroud at a lower end of said rod, said rod being axially movable within said hollow center tube;
- and
- biasing means associated with said rod at an upper end thereof, said biasing means biasing said rod and said shroud to a position wherein said feed container access opening and said shroud access opening are substantially aligned while permitting said shroud access opening to move out of alignment with said feed container access opening when a predetermined weight is placed on said shroud.
4 more elements
Dependencies are inferred from the claim text.