Cutlery – Cutting tools – With blade moving means
Patent
1995-12-15
2000-11-07
Payer, Hwei-Slu
Cutlery
Cutting tools
With blade moving means
56295, 428397, 30347, B26B 2700
Patent
active
RE0369403
ABSTRACT:
A line for a rotating trimmer has a plurality of longitudinal outwardly-extending cutting edges, spaced circumferentially about the main body portion of the line. A cross-sectional area of the main body portion is selected to be between 70 percent and 90 percent of the area of the space circumscribing the cutting edges to provide substantial bulk to the line to increase its wear, while retaining the advantages of the cutting edges for facilitating cutting of grass and the like.
REFERENCES:
patent: 4047297 (1977-09-01), Bair
patent: 4054993 (1977-10-01), Kamp
patent: 4118865 (1978-10-01), Jacyno
patent: 4177561 (1979-12-01), Ballas
patent: 4186239 (1980-01-01), Mize
patent: 4869055 (1989-09-01), Mickelson
patent: 4905465 (1990-03-01), Jones
patent: 5048278 (1991-09-01), Jones
patent: 5220774 (1993-06-01), Harbeke
Maxi Edge Trimmer Line (Advertisement).
Payer Hwei-Slu
Phillips Robert L.
Ptak LaValle D.
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