| 摘要 |
Apparatus for gauging the wear of a toothed sprocket includes a flat body defining a plurality of peaks about the periphery thereof. A pair of such peaks are brought into contact with adjacent flanks of adjacent teeth of the sprocket, and another peak, intermediate the pair of peaks, is brought adjacent the root area of the sprocket between such adjacent flanks, so that wear of a sprocket in such area can be observed.
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