Rotary lawn mower

Details Rotary lawn mower Rotary lawn mower

1985-07-01

1987-11-10

Hirsch, Paul J.

Harvesters

Motorized harvester

Having motor on ground-supported carrier

56295, A01D 3467, A01D 3474

Patent

active

047048484

ABSTRACT:
A rotary lawn mower characterized by an elongated framework presenting a rear power portion and rotor-cutter blade assemblies rotatable around wheel supported shafts connecting to said framework at the front thereof and featuring a cutter blade vertical adjustment operable in unison by a chain-sprocket arrangement for achieving uniform cutting. Vertical displacement of the rotor-cutter blade assemblies is accomplished by rotation of threaded members secured to decking overlying the rotor-cutter blade assemblies and vertically movable therewith. A power source serves to drive the wheels for the power portion of the mower and, as well, the front cutter portion, i.e. the rotor-cutter blade assemblies.

REFERENCES:
patent: 1992494 (1935-02-01), Lundin
patent: 2509936 (1950-05-01), Packwood
patent: 2520488 (1950-08-01), Batchelder
patent: 2953887 (1960-09-01), Boesch, Jr. et al.
patent: 3034275 (1962-05-01), Happe et al.
patent: 3141283 (1964-07-01), Swindler
patent: 3540198 (1970-11-01), Heth et al.
patent: 3921372 (1975-11-01), Arnblock
patent: 4084395 (1978-04-01), Nannen
patent: 4183196 (1980-01-01), Oosterling et al.

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