Ground working sweep

Details Ground working sweep Ground working sweep

1984-09-24

1986-04-22

Johnson, Richard J.

Earth working

Tool, standard or connection

Non-rectangular, symmetrical type

172771, A01B 2302

Patent

active

045835993

ABSTRACT:
A ground working sweep comprises a flange for supporting the sweep body and provides two cutting edges lying in a horizontal plane extending rearwardly and outwardly from a central point at the front of the sweep. The point lies forwardly and below the flange and the point and edges lie in a horizontal plane. In comparison with the conventional sweep, a pair of wings are added at the rear ends of the cutting edges so as to provide an additional cutting edge having a sharp change of direction relative to the outward direction of the first cutting edge. The outermost point of the cutting edge lies on an edge extending rearwardly from the cutting edge. The change in direction in the cutting edge acts to cut weeds running back along the cutting edge and the wings reduce the tendency of wear to decrease the working width of the sweep.

REFERENCES:
patent: 589025 (1897-08-01), Purnell
patent: 1648843 (1927-11-01), Francis
patent: 2323412 (1943-07-01), Noble
patent: 2595353 (1952-05-01), Graham

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