Patents by Inventor Charles J. Schertz

Charles J. Schertz 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).

  • Feed pawl antibounce device
    Patent number: 4117760
    Abstract: A feed pawl antibounce device that prevents jamming of a round feed appars when the pawl clears the round and is moved into position to feed the round from its feed position to its chambering position in front of the open bolt.
    Type: Grant
    Filed: April 14, 1977
    Date of Patent: October 3, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Charles J. Schertz, Dennis L. Wilson
  • Recoil operated firearm with unitary barrel and breech bolt lock member
    Patent number: 3938423
    Abstract: A short-recoil operated automatic firearm is provided with a single locking ember for alternately (1) locking the breech bolt to the barrel while unlocking the barrel from the receiver, and (2) unlocking the breech bolt from the barrel while locking the barrel to the receiver. The locking member is a lever pivoted intermediate its ends on the barrel and comprising an arm engageable with an abutment (barrel buffer) on the receiver, an opposite arm having a notch engageable with a locking projection on the breech bolt, and an intermediate arm engageable by the bolt in its return movement to rotate the lever to bolt-locking (and barrel unlocking) position.
    Type: Grant
    Filed: June 6, 1974
    Date of Patent: February 17, 1976
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Charles J. Schertz