Patents by Inventor Stephen C. McCall

Stephen C. McCall 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).

  • Dielectric fluid dust extraction system for electric discharge machine
    Patent number: 5245152
    Abstract: A device mounted about a tool handling spindle of a machine tool for entrapping dust and particles produced in the milling of a graphite workpiece. The device uses Electric Discharge Machining (EDM) fluid to form a closed envelope surrounding the milling point. The device includes a collar having a first annular groove in fluid communication with an endless radial nozzle which emits the fluid envelope. The collar also includes a second annular groove concentrically disposed in relation to the first annular groove. An adjustable spraying attachment for use in directing a flow of EDM fluid on or about the milling point, is attached to the collar and in fluid communication with the second annular groove.
    Type: Grant
    Filed: June 9, 1992
    Date of Patent: September 14, 1993
    Assignee: Klein Tools, Inc.
    Inventor: Stephen C. McCall