Patents by Inventor Lawrence T. Neumann

Lawrence T. Neumann 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).

  • Integral holdout ring and spring retainer for differentials
    Patent number: 4524640
    Abstract: An improved differential mechanism of the holdout ring type is disclosed, characterized in that the annular holdout rings are mounted concentrically between the driven clutch members and the associated side gears, respectively, and the device for biasing the driven clutch members toward engagement with the driving spider member arranged therebetween includes a pair of compression springs mounted concentrically between the holdout rings and the side gears.
    Type: Grant
    Filed: November 10, 1981
    Date of Patent: June 25, 1985
    Assignee: Tractech, Inc.
    Inventors: Lawrence T. Neumann, Walter L. Dissett