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Bird feeder
专利权人:
发明人:
申请号:
EP13178944.8
公开号:
EP2702870A3
申请日:
2013.08.01
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
A bird feeder comprising a feed container having a side wall and a plurality of feed openings therein, a shroud extending about the feed container, the shroud having feed openings therein, the feed openings being spaced from the top of the shroud by a distance equal to between 20% and 80% of the total height thereof, a cover, a base, a center tube and a center rod within the center tube, the center rod being secured to the base and the shroud resting on the base, a spring mounted about the center rod, the arrangement being such that the feed openings in the shroud and the feed openings in the side wall are either aligned or misaligned depending on the weight on the shroud.
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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