Patents by Inventor John G. Rocha

John G. Rocha 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).

  • Ammunition magazine with built-in compartment covers
    Patent number: 4393746
    Abstract: An ammunition magazine has several compartments formed by vertical separas for holding rounds linked by a belt. A compartment cover is rotatably mounted to each vertical separator for either opening or closing an associated compartment. Each compartment cover has an opened position when the rounds are disposed inside its associated compartment, and a closed position when the associated compartment is emptied of the rounds.
    Type: Grant
    Filed: July 31, 1981
    Date of Patent: July 19, 1983
    Assignee: The United States of America as represented by the Secretay of the Army
    Inventor: John G. Rocha
  • Gun lock and firing mechanism for 30mm cannon
    Patent number: 4065998
    Abstract: A firing chamber lock and unlock mechanism for automatic large caliber wens having a reciprocable firing chamber and rotatable cam means for both actuation of the locking and unlocking functions and actuation of the reciprocation of the firing chamber synchronized to the firing cycle requirements of the weapon system.
    Type: Grant
    Filed: June 30, 1976
    Date of Patent: January 3, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: John G. Rocha
  • Ammunition conveyor drive cam
    Patent number: 4043249
    Abstract: An ammunition feed conveyor drive assembly for automatic weapon systems eoying a rotatable driving cam device and a smaller diameter rotatable driven cam device and in which both devices have dual tier cam surfaces which cooperate to cause a lower degree of angular revolution of the driven device compared to the degree of angular revolution of the driving device.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: August 23, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: John G. Rocha
  • Cartridge feed, positioning and ejection control system
    Patent number: 4038904
    Abstract: A cartridge feed, positioning and ejection control system for automatic wons having a reciprocable firing chamber.Stepped cam paths on a rotatable cam actuator control sequential operation of a feed stop pawl and an ejection stop pawl synchronized to movement of the firing chamber to produce the feed, etc., functions.
    Type: Grant
    Filed: June 30, 1976
    Date of Patent: August 2, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: John G. Rocha