TODAY’S PATENT – THE DRILL CHUCK
The Drill chuck was invented by Bach Gong, J. Larry Wilson on the 19th of December 2013, bearing patent number US20130334777A1.
A chuck including a body having a tail section and a nose section defining an axial bore. A plurality of jaws are movably disposed with respect to the axial bore and a nut is in threaded engagement with the jaws. A sleeve engages the nut so that rotation of the sleeve moves the jaws. A first ring defines a plurality of teeth and a second ring is rotatable relative to the nut over a limited arc and defines at least one pawl.
The object of this invention is to introduce keyless chuck which are desirable for a number of applications.