Patents by Inventor Robert T. Clopton

Robert T. Clopton has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Holding chuck
    Patent number: 4316614
    Abstract: A multiple jaw holding chuck (10) is provided which is quickly and easily adjusted to grip workpieces (W) on either the interior or exterior surfaces thereof. The holding chuck comprises a housing (12) having a plurality of bores (34) formed therein in which shafts (38) are rotationally received. The shafts carry jaws (50) on the free ends thereof and are quickly and easily removed and/or repositioned in the bores.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: February 23, 1982
    Assignee: Eaton Corporation
    Inventor: Robert T. Clopton
  • Device for preventing tool breakage in tool machines
    Patent number: 4260305
    Abstract: An accessory for tool machines is provided comprising a tool holder isolatedly carried on bar springs to effect a floating mount. The holder yields in response to selective load stress during cutting and is restricted to a linear force path to relieve stress. The yielding movement relieves stress and can operate signals in the event of overload or operate control means such as switches to cut off tool machine motors.
    Type: Grant
    Filed: April 4, 1979
    Date of Patent: April 7, 1981
    Inventor: Robert T. Clopton