发明名称 Jack stand and jack combination & method of elevating a load
摘要 The combination of a jack stand and a vertically oriented, compact hydraulic jack enables a user to avoid misplacement when lifting a load. The stand includes a vertically oriented column moveable between a plurality of different elevated positions. An underside of an overhanging member attached to the column is engaged by a piston member of the jack to elevated the column as the jack is elevated,
申请公布号 US2007114500(A1) 申请公布日期 2007.05.24
申请号 US20050286788 申请日期 2005.11.23
申请人 ALLTRADE TOOLS LLC 发明人 HERNANDEZ HECTOR R.JR.
分类号 B66F13/00 主分类号 B66F13/00
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