| 摘要 |
PROBLEM TO BE SOLVED: To provide a cutting whetstone holder which prevents the whetstone from getting damaged even when mounted on a hand-held rotary driver, and supports a tendency of the cutting whetstone getting thinner. SOLUTION: The holder has a mount hole to be passed over an output shaft of the rotary driver and is structured to hold the cutting whetstone which is held around the mount hole by a pair of flanges of the output shaft. The holder is interposed between the flanges and the cutting whetstone, has an outer diameter with the approximately same size as that of the flange, and includes a packing plate having the mount hole for the output shaft at the center and a reinforcing plate extending from the outer periphery of the packing plate and having a holding surface coming into tight contact with the whetstone. COPYRIGHT: (C)2004,JPO&NCIPI
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