发明名称 Pneumatic lift jack
摘要 A pneumatic jack comprising flat sheets of an elastomeric material with no cords therein peripherally held in place by rigid framing members. The jack also includes a valve for communicating with the interior of the sheets. A source of aeroform fluid is utilized for inflating the jack to an enlarged shape to lift a car sufficiently for changing a tire.
申请公布号 US4948107(A) 申请公布日期 1990.08.14
申请号 US19890408820 申请日期 1989.09.18
申请人 THE B. F. GOODRICH COMPANY 发明人 ORNDORFF, JR., ROY L.
分类号 B66F3/35;B29C69/00;B29D22/00;B29D22/02 主分类号 B66F3/35
代理机构 代理人
主权项
地址