| 摘要 |
984,051. Chucks. ERICKSON TOOL CO. April 3, 1963 [Dec. 14, 1962], No. 13211/63. Heading B3B. A chuck comprises means 4 for axially adjusting a non-rotatable drive-member 6 in a body 2, the member being formed to interlock with a tool inserted into the chuck. The tool is gripped by a collet 8 contracted by a surface 9 and a ring 12 when a nosepiece 11 is rotated. The tool is retained by a bayonet-type fastening 15, 16 and is driven by flats 17. |
