CARTRIDGE BELT Russian patent published in 2019 - IPC F42B39/08 

FIELD: weapons.

SUBSTANCE: invention relates to completion of warheads (cartridges) in flexible tape of step-by-step supply of links carrying cartridges in power circuits of automatic weapons, where mechanical single-piece extraction is performed for the bolt to be supplied by the shutter during firing. Cartridge band is composed of links in the form of steel sheet bent by stamping, which includes two pairs of spring tabs partially enveloping a congruent cartridge consisting of grenade and cartridge equipped with extracting groove of bottom flange, and comprises a coupling device in the form of hook-like clutch and loop openings of adjacent links, as well as longitudinal front and rear guides. Rear guide shank is bent and placed in the extractor groove of the sleeve detachable from the grenade. Both pairs of spring tabs envelope the grenade by ¾ of its perimeter. Free end of the hook after engagement with the window loop is bent inside by 0.5–0.8 of its thickness.

EFFECT: technical result consists in improvement of cartridge belt with permanent links in automatic firing.

1 cl, 3 dwg