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Standing tree compression ring
专利权人:
Douglas Herrmann
发明人:
Douglas Herrmann
申请号:
US13951917
公开号:
US09809337B2
申请日:
2013.07.26
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A standing tree branch compression ring is adapted to be vertically raised about the trunk of the tree by lifting means. As the ring is lifted it forceably moves the tree branches inward. A plastic ring liner is removably affixed to the outer surface of the ring to reduce its coefficient of friction to mitigate tree branch damage. The ring is polygonal and includes a fully releasable segment to accept the tree trunk from the side. The segment is then reaffixed by a mating tongue and slot joint at one end a latch at the other end before it is raised.
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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