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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0439236 (1989-11-20) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 43 인용 특허 : 0 |
A feed device for birds in which a feed distribution assembly is mounted at the bottom of a feed container. The distribution assembly includes a downwardly outwardly slanted lower wall which forces seed to the inner outside peripheral surfaces of the assembly against an intermediate wall which inclu
A feed device for birds including an upper vertically disposed cylindrical container having upper and lower ends for the receipt and storage of seed and a closure assembly mounted at said container lower end such that seed from said container passes therethrough, said assembly including a downwardly
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