| 摘要 |
<p>A collet chuck for gripping the bore of a workpiece. The chuck has an axially slotted outer expandable work-gripping sleeve and an inner collet expander. The sleeve and expander are relatively axially shiftable to expand and contract the sleeve. The slots are filled with an elastomer and the open end of the sleeve has a rubber cap thereon, the elastomer filled slots and the rubber cap preventing the ingress of dirt, chips, etc., into the work-gripping sleeve.</p> |
