AUTOMATIC GUN MAGAZINE Russian patent published in 2010 - IPC F41A9/73 

FIELD: weapons and ammunition.

SUBSTANCE: proposed magazine consists of disk-like housing, spiral-like insert with rounds arranged along its surface, axle, feeder and feeder spring. Feeder lever with lengthwise slot and spring arranged there inside is fitted on axle. Note that said feeder can move along lengthwise slot to contact spring end. Besides large-diametre gear is fitted on axle, while smaller-diametre gear is arranged on housing wall, diametres ration making at least 2:1. Feeder spring is arranged around smaller-diametre gear axle. Magazine top part has three-crank spring-loaded lever with its one crank staying in contact with magazine upper round, its second crank being engaged with smaller-diametre gear teeth and third crank being engaged with large-diametre gear teeth.

EFFECT: higher reliability.

2 dwg