Patents Assigned to COP, Inc.
  • Handgun
    Patent number: 4424638
    Abstract: A new and improved handgun providing a strut assembly which engages the hammer assembly at two contact points, one of which is at the hammer pivot point which acts as a stop. An improved sequential firing mechanism is disclosed making use of notches on a ratchet engaged by a detent to secure proper alignment and positioning of the hammer firing mechanism with the firing pin. The invention also provides a safety mechanism for preventing the accidental firing of additional shots in a multibarrel handgun.
    Type: Grant
    Filed: June 16, 1982
    Date of Patent: January 10, 1984
    Assignee: COP, Inc.
    Inventor: Robert L. Hillberg
  • Handgun
    Patent number: 4416078
    Abstract: A new and improved handgun providing a strut assembly which engages the hammer assembly at two contact points, one of which is at the hammer pivot point which acts as a stop. An improved sequential firing mechanism is disclosed making use of notches on a ratchet engaged by a detent to secure proper alignment and positioning of the hammer firing mechanism with the firing pin. The invention also provides a safety mechanism for preventing the accidental firing of additional shots in a multibarrel handgun.
    Type: Grant
    Filed: April 9, 1982
    Date of Patent: November 22, 1983
    Assignee: COP, Inc.
    Inventor: Robert L. Hillberg
  • Firearm having inertially responsive safety mechanism
    Patent number: 4400901
    Abstract: A four barrel, breech loaded pistol having a double acting firing mechanism includes an inertia responsive pendulum-like safety which swings into blocking relation to the hammer to arrest hammer movement in response to a suddenly arrested rearward motion of the pistol.
    Type: Grant
    Filed: August 5, 1981
    Date of Patent: August 30, 1983
    Assignee: COP, Inc.
    Inventor: Robert L. Hillberg
  • Handgun
    Patent number: D263413
    Type: Grant
    Filed: January 14, 1980
    Date of Patent: March 16, 1982
    Assignee: COP, Inc.
    Inventor: Robert Hillberg