Patents by Inventor Charles C. Balkenhol

Charles C. Balkenhol 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).

  • Inserting pins into printed circuit boards
    Patent number: 4969258
    Abstract: Simultaneous multiple pin insertion into a printed circuit board in which the pins are held by a carrier with the pins initially having ends located within holes in the board with the pins supporting the carrier above the board. The carrier is then urged towards the board conveniently by press head operation to drive the pins through the board. Conveniently the press head also operates with a pin straightener, after pin insertion, the press head being reciprocable in two horizontal directions to perform a pin straightening operation.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: November 13, 1990
    Assignee: Northern Telecom Limited
    Inventors: James Fisher, Charles C. Balkenhol, Leo B. Roberts