发明名称 Adjustable lifting apparatus
摘要 An adjustable lifting apparatus preferably for applications in which a floor covering is to be removed and/or installed. The apparatus comprises multiple gear means which are capable of providing mechanical leverage while raising and/or lowering connecting means which attach the apparatus to the object to be lifted.
申请公布号 US5906356(A) 申请公布日期 1999.05.25
申请号 US19960735251 申请日期 1996.10.22
申请人 STRATMAN, CLETUS J. 发明人 STRATMAN, CLETUS J.
分类号 B66F3/08;B66F3/16;(IPC1-7):B66F3/18 主分类号 B66F3/08
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