Patents by Inventor Marvin E. McGowan

Marvin E. McGowan 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).

  • Safety mechanism for intervalometers and distributors
    Patent number: 3961555
    Abstract: A safety device for blocking movement of an actuating element of a mechan wherein movement of said element is mechanically prevented so long as the blocking means is in place. Cooperating surfaces on the blocking means and the element respectively prevent removal or implacement of the blocking means whenever the actuating element is biased in an operating direction.
    Type: Grant
    Filed: January 13, 1975
    Date of Patent: June 8, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Wayne G. Zellmer, Marvin E. McGowan
  • Self-cocking rocket launcher detent
    Patent number: 3958490
    Abstract: A prior art rocket detent mechanism is provided with a lever operated cable ull attached to the rotatable detent such that the rocket tube may be reloaded and the detent reset without the necessity of reaching into the launcher tube with special tools. The lever is integral with the forward end of the reset rod and a cable affixed thereto is threaded through a pair of pad eyes and attached to the rotary detent pawl. Rotation of the rod and lever with respect to the forward pad eye exerts sufficient tension on the cable to reposition the detent when reloading the launcher tube.
    Type: Grant
    Filed: December 19, 1974
    Date of Patent: May 25, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Wayne G. Zellmer, Marvin E. McGowan