Rotary-type lawnmower

Details Rotary-type lawnmower Rotary-type lawnmower

1981-08-05

1983-05-10

Eskovitz, Jay N.

Harvesters

Motorized harvester

Including cutter yieldably mounted on its drive means

563201, 56295, A01D 5516

Patent

active

043823564

ABSTRACT:
A rotary-type lawnmower having unique non-metallic cutting elements carried on a rotating disc-like head with a smooth rim and lower exposed surface without significant projections or recesses capable of inflicting injury to human parts. The lawnmower produces a smooth and even cut equal to rotary metal-blade machines. The cutting elements are tapered pins extruded from flexible polymeric material such as Nylon.RTM. polymer. Each cutting pin has a first portion providing supporting surfaces and an enlargement for securing the pin into the head. The cutting pins extend from the head in a tapered free-traveling end portion to a cutting end located at a cutting plane adjacent the ground's surface. The cutting pins are slidably inserted and removed from the disc.

REFERENCES:
patent: 3014333 (1961-12-01), Clark, Jr.
patent: 3104510 (1963-09-01), Voight
patent: 3320732 (1967-05-01), Kirk
patent: 3474608 (1969-10-01), Frick
patent: 4062114 (1977-12-01), Luick
patent: 4065913 (1978-01-01), Fisher et al.
patent: 4068376 (1978-01-01), Briar
patent: 4165597 (1979-08-01), Fisher et al.

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