Cutlery – Cutting tools – With blade moving means
Patent
1980-12-11
1983-01-11
Peters, Jimmy C.
Cutlery
Cutting tools
With blade moving means
56 127, A01D 5000
Patent
active
043675875
ABSTRACT:
A filament type vegetation trimmer having a rotating hollow output shaft through which monofilament line projects beyond the gyrator trimming end providing cutting means to trim grass and weeds. A gyrator head is attached to the trimming end of the shaft and is provided with a bell-shaped opening therein off-center from the central axis of the gyrator head creating a fulcrum point to cause the filament to extend transversely and lie within a groove in the head to form a rotary whip for trimming. An alternate embodiment of the gyrator head includes a bell-shaped opening in the head coaxial with the shaft and having a filament directing means, such as a conical plug or screw, extending into the opening coaxial with the shaft to cause the filament to extend outward forming a rotary whip for trimming.
REFERENCES:
patent: 2254521 (1941-09-01), Gardner
patent: 3664102 (1972-05-01), Reber
patent: 3693255 (1972-09-01), Langenstein
patent: 3708967 (1973-01-01), Geist et al.
patent: 3826068 (1974-07-01), Ballas
patent: 3831278 (1974-08-01), Voglesonger
patent: 3877146 (1975-04-01), Pittinger, Sr.
patent: 3928911 (1975-12-01), Pittinger, Jr.
patent: 4054992 (1977-10-01), Ballas
patent: 4091536 (1978-05-01), Bartholomew
patent: 4118864 (1978-10-01), Pittinger, Sr. et al.
patent: 4138810 (1979-02-01), Pittinger, Sr.
patent: 4211004 (1980-07-01), Woods
patent: 4211005 (1980-07-01), Woods
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