发明名称 ELEVATOR SAFETY LIFTING SUPPORT
摘要 An elevator safety lifting support comprises a base, a stand emanating perpendicularly from the base and having an outside diameter smaller than the inside diamete r of an elevator, and a handle. The stand may be cylindrical in shape. The handle may be shaped fo r attachment to a hook of a winch line.
申请公布号 CA2507919(A1) 申请公布日期 2006.11.11
申请号 CA20052507919 申请日期 2005.05.11
申请人 HUSEBY, GERALD 发明人 HUSEBY, GERALD
分类号 E21B19/06 主分类号 E21B19/06
代理机构 代理人
主权项
地址