| 摘要 |
1,136,155. Machine tool details. NEW BRITAIN MACHINE CO. 7 Nov., 1966 [15 Nov., 1965], No. 49844/66. Heading B3C. In a horizontal boring, drilling, and milling machine, the tool spindle 16 is slidable and rotatable with the quill 12 during boring, but can be clamped so as to only rotate with the quill during milling. The spindle is keyed to the quill at 20, and is clamped thereto by a collet 24 actuated by a fluid pressure piston 27. |
