Patents by Inventor Bernard W. Pusheck

Bernard W. Pusheck 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).

  • Gear backlash adjustment mechanism
    Patent number: 9951571
    Abstract: A drill rig includes a base, a drill tower extending from the base, a drill pipe coupled to and supported by the drill tower, and a driving mechanism coupled to the drill tower that moves the drill pipe relative to the drill tower. The driving mechanism includes a rack and a plurality of pinions that engage the rack. The drill rig also includes an adjustment mechanism coupled to the driving mechanism, the adjustment mechanism including a plurality of rollers and an adjustment component that moves the plurality of rollers simultaneously toward the pinions to contact the rack.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: April 24, 2018
    Assignee: Harnischfeger Technologies, Inc.
    Inventor: Bernard W. Pusheck
  • GEAR BACKLASH ADJUSTMENT MECHANISM
    Publication number: 20160251914
    Abstract: A drill rig includes a base, a drill tower extending from the base, a drill pipe coupled to and supported by the drill tower, and a driving mechanism coupled to the drill tower that moves the drill pipe relative to the drill tower. The driving mechanism includes a rack and a plurality of pinions that engage the rack. The drill rig also includes an adjustment mechanism coupled to the driving mechanism, the adjustment mechanism including a plurality of rollers and an adjustment component that moves the plurality of rollers simultaneously toward the pinions to contact the rack.
    Type: Application
    Filed: February 25, 2016
    Publication date: September 1, 2016
    Inventor: Bernard W. Pusheck