Patent ID: 8695991
Filing Date: 2014-04-15
Classification: B23B,Y10S,Y10T

Abstract:
1. A chuck for securing a tool with a shank to a manual or powered driver having a drive shaft, the chuck comprising: a. a body having a nose section and a tail section, the nose section having an axial bore formed therein; b. a plurality of jaws movably disposed with respect to the body in communication with the axial bore, the jaws defining a first plurality of threads thereon; c. a nut defining a plurality of threads on an inner circumference thereof, the nut being in threaded engagement with the jaws; d. a sleeve rotatably mounted about the body and in driving engagement with the nut so that rotation of the sleeve moves the jaws; e. a planar first ring having a front face, a rear face and a plurality of teeth disposed about a periphery thereof; and f. a second ring that is rotatable relative to the nut over a limited arc, the second ring defining at least one tab thereon, the at least one tab continuously engaging the plurality of teeth so that,