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APPAREIL ET METHODE D'AIDE A L'ACCROCHAGE D'UN TUTEUR D'ARBRE
专利权人:
GERRY; THEODORE ROBERT
发明人:
GERRY, THEODORE ROBERT
申请号:
CA2911346
公开号:
CA2911346A1
申请日:
2015.11.06
申请国别(地区):
CA
年份:
2016
代理人:
摘要:
An assistive apparatus for hanging a tree stand (e.g., in a tree) including abasepivotably mounting a pair of opposable arms, and a pair of springs for movingthe armsbetween open, spaced apart set positions and closed tree clamping positionsclamping a treeor pole there-between. A pair of trigger members operatively coupled to thearms react to atree or pole being pushed there against to release the arms from their open,spaced apartpositions to closed tree clamping positions.
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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