Cutting filament for a vegetation cutter

Details Cutting filament for a vegetation cutter Cutting filament for a vegetation cutter

1991-02-22

1993-06-22

Lesmes, George F.

Harvesters

Motorized harvester

Including cutter yieldably mounted on its drive means

56295, 30276, 30347, 428397, 428398, 428400, 428401, A01D 5500, D02G 300

Patent

active

052207749

ABSTRACT:
The invention is directed to a cutting filament for a vegetation cutter. The vegetation cutter includes a drive motor which sets the cutting filament in motion thereby producing noise. The cutting filament extends substantially radially outwardly because of the centrifugal force. The cutting filament reduces noise especially at high rotational speeds and thus also at high peripheral speeds. This is achieved in that the cutting filament is configured to have a cross section not having point symmetry. The cutting filament preferably has at least one slot and/or protrusion formed in the surface thereof to extend in the longitudinal direction. The slot and/or protrusion can, for example, be formed so as to follow a helical path with respect to the longitudinal axis of the filament or it can extend parallel to this axis.

REFERENCES:
patent: 2536312 (1951-01-01), Saether
patent: 3063094 (1962-11-01), Warthen
patent: 3078544 (1963-02-01), Shealy
patent: 4054993 (1977-10-01), Kamp et al.
patent: 4186239 (1980-01-01), Mize et al.
patent: 4869055 (1989-09-01), Mickelson
patent: 4905465 (1990-03-01), Jones et al.

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