AUTOMATIC SMALL ARMS Russian patent published in 1997 - IPC

FIELD: automatic small arms, in particular, machine guns. SUBSTANCE: machine gun has a barrel, receiver with a cover, movable system with a breechblock carrier, return mechanism and feed mechanism with a rocking feeder engageable through its roller and tongue with the respective faces of the breechblock carrier, the face for engagement with the feeder roller and the face for engagement with the feeder tongue in it are made on the same side of the breechblock carrier lateral surface in the form of helical surfaces with the same lead. The feeder roller is installed on the feeder tongue made in the form of a pivot coaxially with it. EFFECT: reduced mass and dimensions, enhanced reliability and adaptability to manufacture. 6 dwg