发明名称 Power driven tree stand
摘要 A portable post puller consisting of a bi-pod base. A pulling handle coupled to the bi-pod base acts as a third leg. A chain link hook coupled to the pulling handle couples the handle, a pulling chain, and the pulling plates. Interchangeable pulling plates bind to various posts to achieve extraction. Chain link and pulling plates suitable for use with Bobcats.
申请公布号 US2006108568(A1) 申请公布日期 2006.05.25
申请号 US20040992574 申请日期 2004.11.19
申请人 PAYNE ROBERT W 发明人 PAYNE ROBERT W.
分类号 E21B19/00 主分类号 E21B19/00
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