B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
51/47
B23D 63/12 (2006.01) B23D 63/16 (2006.01)
Patent
CA 1067291
ABSTRACT This invention relates to a file guide device to be used to guide a file in the operation of sharpening the teeth of a saw. The device comprises a support member adapted to be fitted to a saw in a predetermined relation to the teeth of the saw, a pair of parallel rollers mounted for rotation in the roller rotation plane on respective axes, the rollers being carried by the support member, each roller having the peripheral surface there- of defining a seat for a file to be used to sharpen the saw teeth, the roller rotation plane and the axes of rollers being arranged so that upon the support member being fitted to the saw a file seated in said seats on both rollers will have an in- clination to the saw plane substantially equal to the angle of the cutting edge of the saw teeth.
282324
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