| 摘要 |
1,146,159. Boring bar inserts. W. MIHIC. 26 July, 1966 [26 Aug., 1965], No. 33446/66. Heading B3C. A boring bar insert comprises a tool 1, and a nut 2 screwed on to the tool and urged against a seating 14 in a bush 3 by springs 6 adjustable by a screw 12, the tool being non-rotatably connected to the bush by a key 5. |
