Patents by Inventor Jack R. Mauck

Jack R. Mauck 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).

  • Fork-lift truck having three drive wheels with third wheel steerable
    Patent number: 4986387
    Abstract: A fork-lift truck supported by two front wheels and a rear wheel carried by a dolly assembly. The dolly assembly is pivoted for movement about a vertical axis and a rack and pinion unit is provided to control the pivoting for steering with the rear dolly wheel. Hub units are provided in each wheel that include a hydraulic motor and an axially aligned torque hub to obtain the desired traction for each wheel.
    Type: Grant
    Filed: August 7, 1989
    Date of Patent: January 22, 1991
    Assignee: Teledyne Princeton, Inc.
    Inventors: Thomas K. Thompson, Jack R. Mauck