发明名称 Innovative hitch system with hydraulic pump
摘要 A hydraulic system for an attachment for a tractor is disclosed. The hitch has a frame having a top member and a bottom member. The top and bottom members are joined together by a pair of side members forming a structure with an orifice. Each of the top and bottom members are hollow in a cross section, as are each of the side members so that a fluid contained in the members can flow from one member to another.
申请公布号 US7367406(B2) 申请公布日期 2008.05.06
申请号 US20040762208 申请日期 2004.01.21
申请人 WHITE THOMAS B;PETERSON BRUCE A 发明人 WHITE THOMAS B.;PETERSON BRUCE A.
分类号 A01B59/06;A01B59/043 主分类号 A01B59/06
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