发明名称 Apparatus for laying an underground member
摘要 An apparatus is disclosed for laying an underground member such as a service wire, tubing or the like. The apparatus includes a frame having a plurality of wheels with a rotatable cutting blade and a fixed cutting blade mounted to the frame for extending below the surface of the ground. The underground member is secured to the fixed cutting blade. An operating handle is pivotably mounted to the frame for rotating the rotatable cutting blade upon a pivoting of the operating handle. A propelling arm is pivotably mounted relative to the operating handle for moving the apparatus over the surface of the ground concomitantly with the rotatable cutting blade and the fixed cutting blade cutting a trench and laying the underground member therein.
申请公布号 US5214868(A) 申请公布日期 1993.06.01
申请号 US19920826476 申请日期 1992.01.27
申请人 PERSBACKER, RICHARD H. 发明人 PERSBACKER, RICHARD H.
分类号 E02F3/02;E02F5/08;E02F5/10;F16L1/06 主分类号 E02F3/02
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