发明名称 Tree step tool and method
摘要 Mounting for portable, removable steps on tree trunks or other supports and particularly pertaining to a tool and method for easy, conveniently mounting conventional tree steps. The tool as described includes a handle axially aligned with a channel member containing an impact rod. A tree step is placed within the channel member and can then be rotated in a clockwise direction into the tree trunk or in a counter clockwise direction to remove the mounted step from the tree trunk.
申请公布号 US6729437(B1) 申请公布日期 2004.05.04
申请号 US20020283491 申请日期 2002.10.30
申请人 APPLE GREGORY L. 发明人 APPLE GREGORY L.
分类号 A63B27/00;A63B29/04;(IPC1-7):E04G3/00 主分类号 A63B27/00
代理机构 代理人
主权项
地址