ARTILLERY GUN BREECHBLOCK Russian patent published in 2002 - IPC

FIELD: artillery breechblocks, designed for use mainly in breechblocks of powder bag loading artillery guns. SUBSTANCE: artillery gun breechblock has a breechblock closing lever and a firing mechanism trigger lever with handles, connecting rod, whose one end is connected to the first arm of the double-arm lever, and the other- to the other arm engageable with the restricting lever coupled to the mechanism of its turning, pusher engageable with the second arm of the double arm lever, and a tray latch. The breechblock is provided with another pusher engageable with the second are of the double-arm lever, the pusher is coupled to the breechblock closing lever, and the pusher-to the trigger lever of the firing mechanism, the tray latch is coupled to the restricting lever. EFFECT: provided blocking of breechblock closing. 5 cl, 4 dwg