Patents Assigned to Williams & White Machine Shop Ltd.
  • Rail grinding machine
    Patent number: 4768312
    Abstract: Apparatus to grind the rail of a track. The apparatus includes a contoured wheel having an outer surface of a predetermined contour. An abrasive belt is supported by the contoured wheel. At least one driven wheel receives the belt and drives the belt. There is a motor to drive the driven wheel and a chassis to carry the apparatus over the track.
    Type: Grant
    Filed: March 6, 1987
    Date of Patent: September 6, 1988
    Assignee: Williams & White Machine Shop Ltd.
    Inventor: Christopher Williams