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특허 상세정보

Wild bird feed dispenser with squirrel-resistant mechanism

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A01K-039/00    A01K-005/00    A01K-039/01   
미국특허분류(USC) 119/057.9; 119/052.4
출원번호 US-0901321 (2013-05-23)
등록번호 US-8978586 (2015-03-17)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Polsinelli PC
인용정보 피인용 횟수 : 0  인용 특허 : 217
초록

A bird feed dispenser for wild birds with squirrel-resistant mechanism that occludes feed ports when a non-bird having a weight sufficient to activate the mechanism engages a portion of the roof or a perch thereon. The dispenser includes at least two feed ports, corresponding perches, and a torsion spring that provide biasing force for the mechanism. The occlusion of feed ports in the dispenser is such that when a non-bird having weight sufficient to activate the mechanism engages a portion of the roof or a perch thereon, all the feed ports are obstructe...

대표
청구항

1. A feeder for dispensing a supply of bird feed to wild birds, but resisting dispensing the bird feed to a non-bird, the feeder comprising: a housing having a generally vertically extending wall defining a feed reservoir for the supply of bird feed to be dispensed and an upwardly facing opening to the feed reservoir, the wall having a plurality of feed ports formed through the wall;a roof assembly removably covering the upwardly facing opening and mounted for movement relative to the housing, the roof assembly including at least one opening sized to per...

이 특허에 인용된 특허 (217)

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