发明名称 Irrigation canal digging machine - has rotors with teeth mounted at corners of square plates which are angularly staggered along shaft
摘要 <p>The earth working tool is for the formation of beds or ridges, e.g. making irrigation channels, and has its effective parts fitted on rotating bearers extending in the direction of travel. It comprises a fixed part, towed by a tractor, provided with a power distribution system. On it are fitted a number of fixed and movable components (14) extending in the direction of travel. It comprises a fixed part, towed by a tractor, provided with a power distribution system. On it are fitted a number of fixed and movable components (14) extending in the direction of travel, and provided with one or more rotors (13). Each of the movable components (14) attached to the fixed part (8) have a depth adjustment device, a towing foot with running wheel.</p>
申请公布号 NL7714470(A) 申请公布日期 1979.07.02
申请号 NL19770014470 申请日期 1977.12.28
申请人 RUMPTSTAD B.V. TE STAD AAN 'T HARINGVLIET. 发明人
分类号 A01B13/02;A01B13/16;A01B33/04;(IPC1-7):01B13/16;01B33/04;01B13/02 主分类号 A01B13/02
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