发明名称 Jack for a working implement and method
摘要 Jack for raising and lowering a working implement such as hydraulically driven snow blades or other utilitarian accessories. Actuation of the jack allows for proper vertical alignment of the lift assembly for engagement to a vehicle chassis. Once engaged, the jack can be actuated into an inoperative position until the lift assembly is to be removed from the chassis.
申请公布号 US2004074115(A1) 申请公布日期 2004.04.22
申请号 US20030368963 申请日期 2003.02.19
申请人 CURTIS MARC D. 发明人 CURTIS MARC D.
分类号 E01H1/00;E01H5/06;(IPC1-7):E01H5/04 主分类号 E01H1/00
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