Cutterhead for a vegetation cutter

Details Cutterhead for a vegetation cutter Cutterhead for a vegetation cutter

1988-11-21

1989-09-19

Yost, Frank T.

Cutlery

Cutting tools

With blade moving means

56 127, B26B 700

Patent

active

048668460

ABSTRACT:
The cutterhead includes a cutting filament wound on a spool and this cutting filament is adjusted with respect to its effective cutting length in dependence upon the rotational speed of the cutterhead. The switching point for the automatic feed must be precisely matched to the drive speed in order that the desired effective cutting length is maintained. In order to assure the desired effective cutting length, a spring is provided which is adjustable with respect to its biasing force by means of an easily accessible adjusting member. This biasing force is matched to the speed-dependent centrifugal force such that the spool is released at a predetermined speed of the cutterhead.

REFERENCES:
patent: 4195408 (1980-04-01), Palmieri et al.
patent: 4253238 (1981-03-01), Sheldon
patent: 4259782 (1981-04-01), Proulx
patent: 4347666 (1982-09-01), Moone
patent: 4483069 (1984-11-01), Moone
patent: 4651421 (1987-03-01), Zerrer

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