| 摘要 |
1,148,225. Milling cutters. O.K. TOOL CO. Inc. 28 July, 1967 [6 Sept., 1966], No. 34735/67. Heading B3K. A rotary cutting tool comprises a rotary carrier 1 having an annular groove which provides a seating for a cutting bit 7 and for a cutting bit holder 16. The latter is secured in the groove which is of 90 degrees Vee-section, by a screw 18 and locating pin 19, while a projecting pin 13 on the holder enters a hole 11 in the cutting bit to clamp the bit in the groove. The groove may be formed on the peripheral edge of the cutter body (Fig. 5, not shown) while two adjacent grooves may be provided to accommodate triangular cutting bits which have overlapping cutting paths (Fig. 8, not shown). |
