Rotary flail cutter system

Cutlery – Cutting tools – With blade moving means

Patent

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Details

56 127, A01D 3526, A01G 306

Patent

active

041342046

ABSTRACT:
A spool upon which one or more lengths of filament are wound is provided and housed within a cylindrical cover having one or more generally radial openings formed through one wall portion thereof and the free ends of the filaments are threaded through the openings and extend outwardly therefrom for flail-type cutting of vegetation thereby when the spool and housing are rotated as a single unit at high speed. The spool is controllably rotatable relative to the housing whereby the spool may be rotated in discrete controllable increments in a direction to unwind the filaments therefrom so as to renew the extended end portions of the filaments projecting outwardly of the housing by said predetermined increments as the extended ends of the filaments incur breakage. Latching structure is operatively associated with the spool and housing for releasably retaining the spool in adjusted angularly displaced position relative to the housing and the latching structure is remotely operable from a mounting structure relative to which the spool and housing may be rotated at high speed and during high speed rotation of the spool and housing relative to the mounting structure. In this manner, when breakage of the extended end portion of a filament occurs, a filament may be further extended during operation of the cutter so as to renew the extended end portion of the filament to the desired length.

REFERENCES:
patent: 2709323 (1955-05-01), Swan
patent: 2771721 (1956-11-01), Reiman
patent: 3826068 (1974-07-01), Ballas et al.
patent: 3928911 (1975-12-01), Pittinger
patent: 4047299 (1977-09-01), Bair

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