WORKING TOOL OF PLOW-TYPE TRENCHER Russian patent published in 1994 - IPC

Abstract RU 2011760 C1

FIELD: earth-moving machines. SUBSTANCE: blades of machine are made so that the sections of the surface along vertical planes which are parallel to plane of blade joint are drawn by curved lines whose radius of curvature grows monotonously from blade cutting edge to its upper edge. Reduced adhesion forces and increased soil shear forces eliminate sticking of soil to blades. EFFECT: lower draft resistance and saving of fuel. 2 dwg

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RU 2 011 760 C1

Authors

Tishchenko S.S.

Snitka I.V.

Beljaev N.N.

Dates

1994-04-30—Published

1991-05-27—Filed