Patents by Inventor Roger A. Hunziker

Roger A. Hunziker 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).

  • Firing pin mechanism
    Patent number: 5613315
    Abstract: A firing pin for a weapon is movably mounted in a pin bushing which is resiliently biased within a bushing guide. The bushing guide limits maximum forward travel of the pin bushing. The pin bushing is urged into a position of firm contact with the rear of the cartridge, but limited in its forward travel by the bushing guide. The tip of the firing pin is prevented from passing entirely through the primer when struck by the firing pin hammer. The mechanism insures more reliable firing, particularly if several different caliber shells are being fired.
    Type: Grant
    Filed: August 1, 1995
    Date of Patent: March 25, 1997
    Assignee: Phillips and Rodgers, Inc.
    Inventor: Roger A. Hunziker