Rotary cutter

Details Rotary cutter Rotary cutter

1985-07-01

1986-12-16

Schran, Donald R.

Harvesters

Cutting

Cutter members

30347, A01D 5518

Patent

active

046286721

ABSTRACT:
Disclosed is an improved cutter that finds principal utility in, but is not limited to, lawn mowers of the type in which a cutter blade is rotated about an upright axis by a power source such as an electric motor, internal-combustion engine, etc. The disclosed improvement involves a blade that produces a slicing rather than a shearing action, accomplished by a blade design having diametrically opposed end portions, each sharpened to provide a slicing edge that is directed from a leading edge portion to a trailing edge portion, thus providing a blade of increased efficiency and requiring lower consumption of horsepower. The slicing edges may also be combined with conventional impact cutting edges.

REFERENCES:
patent: 2751737 (1956-06-01), Herod
patent: 3343355 (1967-09-01), Freelander et al.
patent: 3910017 (1975-10-01), Thorud et al.
patent: 4466235 (1984-08-01), Cole

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