Patents by Inventor Michael P. Trego

Michael P. Trego 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).

  • Pneumatic booster output rod adjustment method
    Patent number: 5185915
    Abstract: A method of adjusting the length of a vehicle brake booster output rod and assembling the same into the brake booster is provided, the output rod being a thermoplastic or thermoset material that is generally cylindrical in shape with a central longitudinal bore with an axial stop means, and the output rod having an insertable button having a head with an attached stem, the booster having a housing with a central opening surrounding the output rod with a surrounding first formed surface for mounting a master cylinder, the method including piloting a cutting tool by inserting an elongated member into the bore of the output rod, orienting the cutting tool by mating a fixture locationally associated with the cutting tool on the first formed surface of the vacuum booster housing, preloading the output rod with the elongated rod by contacting means with the elongated rod to simulate a spring load of a master cylinder, cutting the output rod with the cutting tool to the correct dimension, removing the elongated memb
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: February 16, 1993
    Assignee: General Motors Corporation
    Inventors: Craig A. Osterday, Douglas L. Osterfeld, Thomas R. Baumaster, Timothy M. Welch, Michael P. Trego, Donald M. Flory