发明名称 Jack handle with means for limiting the torque which can be applied to a jack
摘要 A jack handle which limits the torque that can be applied to a jack so as to prevent overload and injury. The jack handle has a reduced cross-sectional portion between the handle and the jack engaging portion so that the handle will break off at the reduced cross-sectional portion, thus, preventing overloading of the jack. A portion of the handle which does not break off is provided with a jack engaging portion so that the broken portion of the jack can be removed and the second jack engaging portion can be inserted into the jack to lower it.
申请公布号 US5301389(A) 申请公布日期 1994.04.12
申请号 US19930051697 申请日期 1993.04.26
申请人 UNIVERSAL TOOL & STAMPING COMPANY, INC. 发明人 ENGEL, DARRYL L.;SCOVILLE, JOHN R.
分类号 B66F13/00;(IPC1-7):A47B95/02;G05G5/06;G05G1/00;B62D1/06 主分类号 B66F13/00
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