Cutting blade for a mowing apparatus

Details Cutting blade for a mowing apparatus Cutting blade for a mowing apparatus

1989-04-11

1991-10-08

Melius, Terry L.

Harvesters

Cutting

Hand-operated cutter

56255, 56296, A01D 3476

Patent

active

050542761

ABSTRACT:
Disclosed herein is a cutting blade for a mowing apparatus, which comprises a pair of first and second pivotal cutting wheels slidably superposed with each other and each provided with a number of grass cutting edges along its circumference, each of the teeth having a major surface, two side edges and an outer periphery edge; and mechanism for reciprocatingly rotating each cutting wheel in opposite directions through a predetermined angle, respectively. At least one of the side edges of each of the teeth of the cutting wheels is defined by an inclined surface forming an acute angle relative to a major surface of the tooth so as to form a cutting edge, and the outer periphery edge is defined by a plane substantially perpendicular to the major surface of the tooth. Namely, there is no sharp edge in the outer peripheries of the teeth of the cutting wheels or the free ends of teeth.

REFERENCES:
patent: 1110058 (1914-09-01), Hurley
patent: 3472007 (1969-10-01), Green
patent: 3618304 (1971-11-01), Hundhausen
patent: 3631658 (1972-01-01), Green
patent: 4196566 (1980-04-01), Donnelley
patent: 4310999 (1982-01-01), Onoue

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