AUTOMATIC ARMS - 4 /VERSIONS/ Russian patent published in 2014 - IPC F41A9/68 

FIELD: weapons and ammunition.

SUBSTANCE: automatic arms include two magazines - main and spare ones, which are installed into the arms longitudinally in series or transversely side by side into one seat. Spare magazine is pressed in the direction of the main magazine; both of them are fixed by side latches. Arms include wedge(s) or traverse(s) having the possibility of interacting with a feeder of the main magazine and having the possibility of kinematic action on the latch of the main magazine. Or the main magazine is fixed by movable latches, on which there immediately located are wedges having the possibility of interacting with the main magazine feeder; with that, the spare magazine is pressed with one or two plate-like springs, or by a spring-loaded mechanism. Arms have a housing pin kinematically connected to the magazine; with that, in the part that contacts the bolt it has the shape of a logarithmic spiral with an angle approximately equal to a self-braking angle, or it has two housing pins, the second one of which is actuated from the wedge or the traverse.

EFFECT: possibility of installation into arms of two magazines, automatic disconnection of the empty magazine, and automatic installation of the second magazine into its place.

25 cl, 16 dwg