发明名称 Tree Step System
摘要 A tree step system 100 having a tubing 110 ; and a step lag screw 130 , whereby the tubing 110 may be used as a hammer to drive the step lag screw 130 into a tree 20 and the tubing 110 may further be used for leverage to turn the step lag screw 130 into the tree. The tree step system 100 may include a rod step 150 , and an adjustable fastener 170 for adjusting the depth of the adjustable fastener 170 and preventing the tree step system 100 from rotating. The rod step centerline may be offset ninety degrees from the centerline of the step lag screw 130 , whereby the offset provides for ease of climbing and entering a tree stand with the proper foot. The tubing 110 may comprise an upper tubing 114 and a lower tubing 124 for ease of installation.
申请公布号 US2008283335(A1) 申请公布日期 2008.11.20
申请号 US20070749363 申请日期 2007.05.16
申请人 SALERNO DOUGLAS JOSEPH 发明人 SALERNO DOUGLAS JOSEPH
分类号 A63B27/00 主分类号 A63B27/00
代理机构 代理人
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