Torsional vibration filament feed system

Details Torsional vibration filament feed system Torsional vibration filament feed system

1977-04-20

1979-02-13

Peters, Jimmy C.

Cutlery

Cutting tools

With blade moving means

56 127, A01D 3526, A01G 306

Patent

active

041388100

ABSTRACT:
An incremental feed system for filament in vegetation-cutting filament trimmers, in which the filament is controlled in unspooling by a gear mechanism which is responsive to cutting-operation-induced torsional vibration relative to the driveshaft to feed fresh filament in amount proportional to the torsional vibration and thus in amount proportional to operational wear of the cutting length. In an embodiment, torsional vibration resulting in feeding filament may be produced by switching the filament trimmer on and off.

REFERENCES:
patent: 2713237 (1955-07-01), Monjar

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