发明名称 Tractor towed drainage ditch clearing equipment - comprises tractor power take off connected arm with clearing tool of two adjustable powered knife equipped angled discs on end
摘要 The equipment, consists of an arm (1) connected to the power take off and an oil tank, for clearing drainage ditches.It can be towed behind and offset from the centreline of a tractor (2). On the end of the arm is the cleaning tool (3) comprising two discs (5,5') set at the angles of the ditch sides, with knives (6) at the bottoms. A variable speed hydraulic motor powers the discs, adjustable by jack and rod assembly of two connected double arms. Debris is removed by an Archimedes screw. Available with bladed discs or loading chute. USE/ADVANTAGES - Easy to operate, rapid and efficient results.
申请公布号 FR2690471(A1) 申请公布日期 1993.10.29
申请号 FR19920004937 申请日期 1992.04.22
申请人 HARDY LOUIS 发明人 HARDY LOUIS
分类号 E02F3/20;E02F5/08;E02F5/28;(IPC1-7):E02F5/02;E02F5/16 主分类号 E02F3/20
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