Bi-modal seed port with pivoting trough

Details Bi-modal seed port with pivoting trough Bi-modal seed port with pivoting trough

2006-04-25

2006-04-25

Poon, Peter M. (Department: 3643)

Animal husbandry

Feeding device

Hopper and trough

C119S057800

Reexamination Certificate

active

07032539

ABSTRACT:
A seed port, specifically designed to permit dispensing large and small seeds from the same feeder, can be used with a bird feeder having a reservoir for the containment of bird seed, wherein the seed port has a platform with an opening that attaches to the reservoir and aligns with an opening in the reservoir. The seed port further provides a hinged trough that pivots within the opening of the seed port to alternatively offer a variety of seed sizes in the bowl of the trough or to permit access to only smaller seeds in the reservoir through an appropriately sized slot in the trough that becomes apparent only when the trough is pivoted to deny access to the bowl.

REFERENCES:
patent: 4974547 (1990-12-01), Graham
patent: 5022346 (1991-06-01), Robertson
patent: 5215039 (1993-06-01), Bescherer
patent: 5372094 (1994-12-01), Zens
patent: 5701841 (1997-12-01), Fasino
patent: 5881675 (1999-03-01), Shaffer
patent: 6408788 (2002-06-01), Lieb et al.
patent: 6863024 (2005-03-01), Obenshain
patent: 2004/0231606 (2004-11-01), Nock
patent: 2101221 (1995-01-01), None

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