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Squirrel guard for a bird feeder
专利权人:
Keith Unger;D. Calvin Baynard
发明人:
D. Calvin Baynard,Keith Unger
申请号:
US13187608
公开号:
US08413605B2
申请日:
2011.07.21
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A squirrel guard for use with a bird feeder which stores and dispenses bird seed. The feeder comprises an upstanding housing and a support for positioning the feeder in an elevated position. The squirrel guard comprises a generally round and planar tray mounted beneath the feeder. The tray acts to deny squirrel access to the bird seeds and also as a collection tray for spilled bird seed. A tilt connector is arranged beneath the lower side for supporting the tray in a generally horizontal position when carrying only a minimal weight such as bird seed and small birds. The connector is such that the tray tilts to a generally diagonal position when engaged with a relatively heavy weight such as a squirrel. When engaged by a squirrel the tray moves to the tilted position causing the squirrel to fall from the tray.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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