| 摘要 |
370,208. Chucks. AMYOT, LES FILS DE V., Les Gras, Doubs, France. April 24, 1931, No. 12148. Convention date, Jan. 16. [Class 83 (iii).] A chuck comprises a body c secured to a rotary machine spindle q and provided with a conical screw thread f for engagement with teeth on jaws m<1> &c. slidable in inclined recesses in a cap d rotatable relatively to the body. A transverse partition i in the cap d prevents jamming of the article held with the end of the cone c. The parts are held together by a ring e screwed in the cap d and ball bearings may be provided on one or both sides of a flange a on the body and between the end of the body and a screw v which screws in the partition i and adjusts the axial play of the cap on the body. |
