Apparatus for cutting vegetation

Cutlery – Cutting tools – With blade moving means

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Details

56 127, A01D 5000

Patent

active

043522432

ABSTRACT:
Apparatus for cutting vegetation with a rotatable head carrying a non-metallic cutting line extended into a cutting plane. Additional line is extended from a supply line coil within the head into the cutting plane without independent operator action. A mechanism in the head automatically feeds replacement line whenever the free end of the cutting line is reduced to less than a predetermined maximum length in the cutting plane. The cutting line length is always extended to this predetermined maximum length at all operational rotational speeds, without adjustment, and in a positive step-by-step mode of segmental line advancement. The line feeder mechanism, has an escapement lever with a triggering toggle that also can be actuated at the operator command.

REFERENCES:
patent: 3708967 (1973-01-01), Geist et al.
patent: 3826068 (1974-07-01), Ballas et al.
patent: 3895440 (1975-07-01), Pittinger
patent: 4035915 (1977-07-01), Pittinger
patent: 4052789 (1977-10-01), Ballas
patent: 4054992 (1977-10-01), Ballas
patent: 4067108 (1978-01-01), Ballas
patent: 4104796 (1978-08-01), Sheldon
patent: 4104797 (1978-08-01), Ballas
patent: 4236312 (1980-12-01), Foster
patent: 4244103 (1981-01-01), Sharr
patent: 4285127 (1981-08-01), Zerrer
patent: 4290200 (1981-09-01), Lombard

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