| 摘要 |
<p>A chain saw sharpening apparatus is disclosed including a support member adapted in operation to locate about a chain saw in a predetermined relationship thereto and supporting two guide roller assemblies each including a pair of guide rollers disposed at opposite sides of said support whereby a file operatively supported on one said pair of guide rollers is disposed at an angle equal to the cutting edge angle of one set of teeth, while the other said pair of guide rollers operatively supports a file at angle equal to the cutting edge angle of the other set of teeth.</p> |
