|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||A01K-039/00 A01K-005/00 A01K-039/01|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 217|
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...
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...