Patents by Inventor Frank E. Waters

Frank E. Waters 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).

  • Patent number: 4920855
    Abstract: A bolt assembly (1) for a self loading rifle comprises a rotating bolt (2) mounted in a bolt carrier (3), the bolt being provided with locking teeth (6) which, in use, interengage with teeth (7) on the barrel extension (8) of the weapon. The angular position of the bolt relative to the bolt carrier is controlled by a cam pin (9) which runs in a cam slot (10) in the bolt carrier. When the bolt is clear of the barrel extension it is locked in the correct angular position by a lever (11) which is pivotally mounted in the bolt carrier.
    Type: Grant
    Filed: July 27, 1988
    Date of Patent: May 1, 1990
    Inventor: Frank E. Waters
  • Patent number: 4272902
    Abstract: A fire-arm having a bolt assembly which includes a bolt received by a bolt carrier and axially movable relative thereto and a T-shaped ejector set freely in a T-shaped recess in the bolt and retained in the recess by the bolt carrier while being held axially relative to the bolt by the T-shape of the extractor and the recess. In a first position of the bolt relative to the carrier the extractor is held in a first position in which it engages a cartridge for extraction from the chamber and in a second position of the bolt relative to the carrier the extractor is movable to a second position from which it can move to engage a cartridge.
    Type: Grant
    Filed: December 4, 1978
    Date of Patent: June 16, 1981
    Assignee: Chartered Industries of Singapore Private Limited
    Inventor: Frank E. Waters