Earth working – Lawn edger – Rolling or driven cutter
Patent
1993-07-08
1995-08-15
Reese, Randolph A.
Earth working
Lawn edger
Rolling or driven cutter
30276, 30347, 30DIG5, A01D 3484
Patent
active
054411157
ABSTRACT:
A bevelled edger blade has a base side attachable centrally to a conventional edger shaft. Ends of the base side having cutting edges are extended an equal distance in opposite directions from a blade axis at a central attachment orifice on the base side to vertical corners. An axial corner is positioned a select distance horizontally from the blade axis. Sloped edges of border channels of landscape areas are cut by cutting edges on angular sides intermediate the axial corner and the vertical corners on the three-sided edger blade as it is rotated by the conventional edger shaft. The angular sides can be straight for cutting straight slopes or arcuate for cutting arcuate slopes optionally. A blade brace can be positioned parallel to the base side between the angular sides. The vertical corners can be angled acutely for cutting landscape channels with acute angles between a straight surface and an opposite side. The vertical corners also can be rounded for round-bottomed edging or squared for cutting square bottoms of landscape channels. Deflector surfaces on rotationally aft edges of the sides of the blade can be provided for directing flow of cuttings out of the edging channels in a desired direction for collection or dispersement.
REFERENCES:
patent: 2139353 (1937-09-01), Bruder
patent: 2555441 (1947-09-01), Hackney
patent: 2630747 (1949-03-01), Mintz
patent: 2664807 (1950-02-01), Hedrick
patent: 2725813 (1951-05-01), Stoeber
patent: 2737105 (1956-03-01), Wilson
patent: 3174224 (1965-03-01), Rousselet
patent: 3938249 (1976-02-01), Chacon
patent: 4979573 (1990-12-01), Williamson
Hinkle James A.
Novosad Christopher J.
Reese Randolph A.
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