Sharpening device for manually sharpening the cutting teeth of saw chains for chain saws
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United States of America Patent
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Oct 23, 2012
Grant Date -
Apr 21, 2011
app pub date -
Oct 18, 2010
filing date -
Oct 17, 2009
priority date (Note) -
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Abstract
A sharpening device for manually sharpening the cutting teeth of saw chains for chain saws has a frame, which has two head parts (spaced apart from one another and two pairs of guide rods which are, in each case, arranged parallel to one another and to a longitudinal axis and rigidly connect the head parts to one another. Parallel to the longitudinal axis, round files and two file faces are held without play, but exchangeably in the head parts. The pairs of guide rods and the respective associated round files and the respective file faces are arranged rotationally symmetrically with respect to the longitudinal axis.
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