| 摘要 |
<p>Collet for attaching a cylindrical chain saw file to a file handle made to fit a tapering rectangular file tang and for indicating a desired angle between the chain saw file and a saw chain being filed, comprising a rear tang part (10) with an outline like a tapering rectangular file tang, a lengthwise hole (13) with a cross section corresponding to the chain saw file and at least one wing (11, 12) with a front edge forming the desired angle with the hole.</p> |
