Method and apparatus for sharpening end of filament trimmer

A - Human Necessities – 01 – D

Patent

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51/34, 56/36

A01D 50/00 (1980.01)

Patent

CA 1058886

ABSTRACT OF THE DISCLOSURE: An abrasive or other filament-working member is mounted at the sweep circle of a vegetation trimmer filament for progressively sharpening the end of the filament and removing excess filament during opera- tion of the vegetation filament-trimmer; the filament working member may include means causing the filament to heat.

276786

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