Lawn mower having flexible filament cutter elements

Details Lawn mower having flexible filament cutter elements Lawn mower having flexible filament cutter elements

1979-05-31

1981-05-19

Hafer, Robert A.

Harvesters

Motorized harvester

Including cutter yieldably mounted on its drive means

56292, 30347, A01D 5314

Patent

active

042676860

ABSTRACT:
A lawn mower comprising a plurality of flexible filament cutter elements carried on a continuous or endless driven belt. The lawn mower includes a plate-like frame having an arcuate front end formed as a portion of a perfect circle, on the underside of which is mounted a plurality of driven pulleys. A drive motor having a drive pulley is mounted on the frame, in a position to the rear of the driven pulleys. A drive belt is operatively mounted around the driven pulleys and around the drive pulley on the motor for driving the driven pulleys. The endless belt which carries the flexible filament cutter elements is mounted around the driven pulleys, whereby when the driven pulleys are rotated by the drive belt, the belt carrying the flexible cutter filaments is moved around the arcuate front end of the mower frame, and the filament cutter elements are moved outwardly by centrifugal force, for cutting engagement with grass and other vegetation, with a flail type cutting action.

REFERENCES:
patent: 1851840 (1932-03-01), Huff
patent: 2073145 (1937-03-01), Flint
patent: 2711761 (1955-06-01), Grants
patent: 2728181 (1955-12-01), Carpenter
patent: 2744376 (1956-05-01), Miner
patent: 3139975 (1964-07-01), Schaefer
patent: 3488931 (1970-01-01), Matthews
patent: 3849975 (1974-11-01), Cummings
patent: 4141142 (1979-02-01), Karvbian
patent: 4170099 (1979-10-01), Owens

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