Patents Represented by Attorney Robert D. Dingman
  • Patent number: 4421224
    Abstract: A live roller drive mechanism for use in an accumulating conveyor comprising a driving roller and a load supporting driven roller. A drive sleeve is disposed loosely over the end of the driven roller and is coupled to the driven roller in such a way as to permit relative annular and axial motion. The drive sleeve is spring urged into face-to-face engagement with an annular member mounted on the driving roller to provide a slip-friction drive.
    Type: Grant
    Filed: November 30, 1981
    Date of Patent: December 20, 1983
    Inventor: Robert D. Dingman