Patents by Inventor Robert J. Flak

Robert J. Flak 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).

  • Rotator braking system for a lift truck load handler
    Patent number: 8568079
    Abstract: A hydraulic rotating and braking system for a lift truck-mountable load handling assembly has a hydraulically-driven worm screw with a hydraulic motor located adjacent one end of the screw and a friction brake located adjacent the opposite end of the screw. The system includes a friction brake having a brake controller located at least partially within the worm screw. The friction brake is releasable by the exhaust of fluid without the need for a fluid exhaust line extending to the lift truck's reservoir tank.
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: October 29, 2013
    Assignee: Cascade Corporation
    Inventors: Christopher M. Walthers, Robert J. Flak
  • ROTATOR BRAKING SYSTEM FOR A LIFT TRUCK LOAD HANDLER
    Publication number: 20130209206
    Abstract: A hydraulic rotating and braking system for a lift truck-mountable load handling assembly has a hydraulically-driven worm screw with a hydraulic motor located adjacent one end of the screw and a friction brake located adjacent the opposite end of the screw. The system includes a friction brake having a brake controller located at least partially within the worm screw. The friction brake is releasable by the exhaust of fluid without the need for a fluid exhaust line extending to the lift truck's reservoir tank.
    Type: Application
    Filed: February 15, 2012
    Publication date: August 15, 2013
    Inventors: Christopher M. Walthers, Robert J. Flak