MACHINE GUN Russian patent published in 2010 - IPC F41C7/00 F41A19/12 

FIELD: weapons.

SUBSTANCE: invention relates to weapons and represents a machine gun consisting of barrel, breech box, breech frame with bolt, gas discharge unit, return spring, trigger with spring, detachable electric drive, sear with spring and safety lock. It is furnished with spring-loaded three-arm crank, its one arm staying in contact with trigger, second arm staying in contact with sear and third arm being in contact with breech frame. It incorporates also rate-of-fire regulator consisting of first gear wheel with torsion spring fitted on wheel axle and ledge in contact with sear, second gear wheel with torsion spring fitted on wheel axle and ledge in contact with first gear wheel teeth, and safety lock engaging with second gear wheel teeth. Breech box has recess with spring-loaded catch for connection of electric drive. Mutual arrangement of spring-loaded three-arm trigger and aforesaid recess is selected to allow interaction between electric drive armature and one of the arms of aforesaid three-arm trigger.

EFFECT: expanded combat performances, simplified design.

1 dwg