AUTOMATIC FIREARM HAVING AN INERTIAL AUTOMATIC SYSTEM

Abstract

An automatic firearm having an inertial automation system comprises a barrel, which is movable along its own axis, a bolt support with a bolt, a recoil spring, a buffer spring and a hammer spring, a trigger mechanism, an ammunition feed mechanism, a mechanism for coordinating the actual firing, and a bolt support latch. The springs and the mechanism for coordinating the actual firing ensure a constant-value recoil force during automatic fire. Technical result consists in the improvement of the shooter's operating conditions, reduced vibration, and decreased bullet dispersion.

Claims

1. An automatic firearm having an inertial automation system and recoil in the form of a constant-value force acting throughout the entire duration of automatic fire, comprising a breech; a barrel, which is movable along its own axis; a bolt support with a bolt; a hammer spring between the barrel and the bolt support; a recoil spring between the bolt support and the breech, or barrel (a part, attached to the barrel); a buffer spring between the barrel (a part, attached to the barrel) and the breech; a trigger mechanism located on the breech, or bolt support, or barrel; and an ammunition feed mechanism, wherein the weapon is provided with a latch for locking the bolt support in the rear position (the latch is controlled by a trigger guard), and a mechanism for coordinating the actual firing with the barrel arrival into the forward position (immediately before colliding with the barrel via the hammer spring).

Description

[0010] As an example, the drawing (FIG. 1) illustrates the design, which utilizes the inertial automation system while associating the bolt support (with the bolt) and the barrel. A weapon breech (1) houses a latch (2), and a barrel (3), which is movable along its own axis. A guide (4) is attached to the barrel, and bolt support (5) with bolt (6) is movably attached to said guide. A hammer spring (7) is attached to the bolt support. A recoil spring (9) is installed between the bolt support and a guide stop (8), while a buffer spring (10) is installed between the guide stop and the rear wall of the breech. The order of operation of the design is similar to the one described above.

[0011] According to the calculations, in case of the automatic firing rate of 600 rounds per minute, a near-constant force pressing on the support (shooter's shoulder, weapon mount, combat vehicle body) will be as follows (newtons/kilogram-force) for the cartridges: 5.45×39-35/3.6; 7.62×39-55/5.6; 7.62×54R-90/9.2; 12.7×108-400/41; 14.5×114-650/66.

[0012] The pressing force increases or decreases proportionally with an increase or decrease in the rate of fire.