Patents by Inventor Shawn C. Guffey

Shawn C. Guffey 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).

  • Publication number: 20040226783
    Abstract: The present invention provides an improved boot guide for a caliper brake system. The improved boot guide includes a guide portion integrally formed with a boot portion, wherein the guide portion guides a brake piston and the boot portion seals the brake piston. The piston may be electrically driven. Alternatively, the piston may be hydraulically driven. The guide portion of the single piece boot guide may further include a radial support member that provides a radial retaining force. The radial support member may be manufactured utilizing material selected from a group consisting of mild steel and spring steel. The single piece boot guide may be manufactured from an elastomer. The elastomer may be selected from the group consisting of polyvinyl chloride, ethylene propylene terpolymer rubber, and nitrile rubber. The boot portion may form convolutions within a boot guide cavity. The guide portion may include an environmental seal portion.
    Type: Application
    Filed: May 16, 2003
    Publication date: November 18, 2004
    Applicant: DELPHI TECHNOLOGIES INC.
    Inventors: Andrew F. Hall, Schuyler S. Shaw, John A. Hart, Shawn C. Guffey