Apparatus for cutting vegetation

Details Apparatus for cutting vegetation Apparatus for cutting vegetation

1984-07-16

1989-08-01

Yost, Frank T.

Cutlery

Cutting tools

With blade moving means

30347, A01D 5518

Patent

active

048522589

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 operation action. A mechanism in the head feeds a certain incremental length of line whenever the free end of the cutting line is reduced to this length by wear, or otherwise. After the cutting line length is extended to its original preset length, the cutting line is secured automatically against further extension from the head. The incremental line feeder mechanism is actuated by sensing an operating condition of the head, e.g., angular velocity of rotation.

REFERENCES:
patent: 41388109 (1979-02-01), Pittinger, Sr. et al.
patent: 3928911 (1975-12-01), Pittinger, Jr.
patent: 4035915 (1977-07-01), Pittinger
patent: 4104796 (1978-08-01), Sheldon

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