| 摘要 |
PURPOSE:To allow broader cutting in width using a standard holder diameter and a shaft lever and facilitate the replacement of an adjusting tooth of the cutting width by fitting a support lever fixed with a tip and having a lever section different in length to a holder in response to the cutting width and performing rotational cutting. CONSTITUTION:The lever section 1 of a support lever A is inserted into the fitting groove 10 of a holder B from a contacting face 2 along the fitting groove 10, and after the contact face 2 is brought into contact with a column 11, a fixing screw 14 is rotated until a ball 16 hits the locking hole 3 of the support lever A, thus the support lever A is fixed to the holder B so that the support lever A fixed with a tip C is located at a uniform distance from the center of a seat section 8, likewise other support levers A are fixed to fitting grooves 10, 10, and the support levers A are fitted to the holder B. In this case, a slant face 4 is provided on the support lever A, which is inserted and locked to the fitting groove of the holder B, thereby, even if the fixing screw 14 is loosened, the support lever A does not drop from the fitting groove 10, and it is safe. In addition, centering can be simply performed only by bringing the contact face 2 of the support lever A in contact with the column 11, thus simplifying the replacement. |
