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Universal bird feeder hanger system
专利权人:
Daniel Kanuk
发明人:
Daniel Kanuk
申请号:
US14195616
公开号:
US09222617B1
申请日:
2014.03.03
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A universal bird feeder hanger system is a low cost cable and pulley apparatus that allows a user to easily raise and lower a birdfeeder for maintenance. A metal plastic coated cable has a loop at each end that is routed through a pulley. The proximate end attaches to a ground screw anchor via a first carabiner and the distal end attaches to a birdfeeder via a second carabiner hook. In between, the pulley is attached to a support structure such as a gutter. The birdfeeder is raised and lowered by disconnecting the proximate end from the ground screw anchor and moving toward or away from the birdfeeder.
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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