发明名称 PULLEY SYSTEM FOR A TREE STAND
摘要 A pulley system for a tree stand is positioned in tree at a desired point. A bracket for the pulley system supports securing device and a pulley assembly as part of the pulley system. The tree stand is attached to a rope in the pulley system. Then the rope and pulley cooperate to lift the stand to a desired position for mounting.
申请公布号 US2008169155(A1) 申请公布日期 2008.07.17
申请号 US20070623202 申请日期 2007.01.15
申请人 BROBERG JAMES E 发明人 BROBERG JAMES E.
分类号 A01M31/02;E04G3/32 主分类号 A01M31/02
代理机构 代理人
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