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Bird feeder with removable base
专利权人:
Paul L. COTE
发明人:
Paul L. COTE
申请号:
US15932980
公开号:
US20190364852A1
申请日:
2018.06.01
申请国别(地区):
US
年份:
2019
代理人:
摘要:
A bird feeder comprising a seed tube having an open top end and an open lower end, a cover arranged to sit on top of the open top end of the seed tube, the cover being removably attached to the seed tube, a seed tube base removably attached to the open lower end, the seed tube base having a bottom wall and a circular side wall with a plurality of feed openings in the circular wall, a shroud extending around the seed tube base, the shroud having shroud feed openings therein which are normally aligned with the feed openings in the circular side wall of the seed tube base, the shroud moving to a position wherein the shroud feed openings and the feed openings in the circular side wall of the seed tube base are out of alignment when a weight above a predetermined amount is present 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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