| 摘要 |
<p>There is provided a fastening device for a polishing paper cloth (11) of a portable polishing machine (1), which provides flexibility to a fastening device main body (101) of the fastening device (100) so as to be easily deformed in many directions, enables to prevent deformation by heating and prevents clogging due to polishing waste or the like generated during the polishing operation. In the fastening device main body (101) of the synthetic-resin-made fastening device (100), comprising an attaching portion (102) capable of being attached to and detached from a base plate (4) of the polishing machine (1) and the fastening device main body (101) for winding the polishing paper cloth (11) thereon to engage therewith, a plurality of concave grooves (110), which are continuous in the winding direction of the polishing paper cloth (11) in parallel with each other, are provided, and a cavity portion (104) is formed in the interior of the fastening device main body. <IMAGE></p> |
