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EXPANDABLE TREESTAND
专利权人:
Todd A. Robbins
发明人:
Todd A. Robbins
申请号:
US16280835
公开号:
US20200260718A1
申请日:
2019.02.20
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A treestand for supporting a user between two tree trunks or limbs of a tree above the ground, including first and second telescopically interconnected sections. A threaded bolt is rotatably connected to one of the frame sections and limited against longitudinal movement. The opposite end of the bolt is connected to a nut fixedly attached to the other frame section whereby rotation of the bolt will contract or expand the frame sections relative to each other and thus permit the outer ends of the frame sections to lockingly engage the spaced-apart tree trunks.
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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