发明名称 Culvert opening and cleaning apparatus
摘要 A culvert opening and cleaning apparatus which is designed to be operably mounted to an implement of heavy machinery such as a grader and is further designed to utilize the auxiliary hydraulic connection provided by the implement of heavy machinery. The culvert opening and cleaning apparatus comprises a mounting operably engaged to an implement of a heavy machinery, a telescoping arm member attached to the mounting means, the telescoping arm member having an outer housing and an inner concentric arm that are telescopically slidable relative to each other, a culvert cleaning tool engaged to the inner arm of the telescoping arm member, and a telescoping ram having at least one concentric cylinder and a piston that are telescopically slidable relative to each other, wherein a distal end of the piston is attached to the culvert cleaning tool for positing the culvert cleaning tool for opening of the culvert.
申请公布号 US7562717(B2) 申请公布日期 2009.07.21
申请号 US20060618710 申请日期 2006.12.29
申请人 WOODYBILT MANUFACTURING LLC 发明人 WOODCOCK JAMES W.;WOODCOCK, JR. FRANK W.
分类号 A01B79/00;B08B9/00;B08B9/027;E01F5/00;E02F3/00;E02F3/76;E02F3/96;E02F5/28;E03F9/00 主分类号 A01B79/00
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