Коганицкий Григорий. Weapons recharging method and weapons design on the basis of this method

Grigory Kaganitsky

9699 rue Jeannette,

Lasalle, Quebec

Canada H8R1S6

http://samlib.ru/k/koganickij_g_a/index_1.shtml

Dear Sir/Madam,

I look for a sponsor, investor or partner to implement the patents claimed by me and to manufacture weapons designed on their basis.

Collage

Self-balanced action automatic small arms with return spring that is supported on a mobile part moved in shot direction by powder gases.

There took place grave systemic crisis of automatic small arms for several last decades.

Since it was initially created as plain weapon of wide use designed for low trained draftees, its main function consisted in highest possible dense automatic shooting in required direction.

Accurate fire by default was feasible only in the single shot mode.

In mode of automatic shooting vibration deviations of a barrel is so significant that one could speak about accuracy shooting only conditionally.

In part this problem was managed to be settled as a result of better quality weapons manufacturing and switching to cartridge 5.7 usage, in other words to usage of less powerful cartridges.

Currently, the main focus is on highly skilled professional soldiers, protected by personal protective equipment.

Under such conditions cartridge 5.7 don't satisfies demands of assured destruction of the enemy protected by personal protective equipment, and for professional soldiers unacceptably a weapon that has excessive vibration deviations while shooting in the automatic fire mode..

One of worst in this respect is a Kalashnikov automat (more specifically a Schmeisser-Sudaev automat) and its cosmetic modifications.

Lack of a real Operating Chief Designer at "Kalashnikov" Company for some decades, as well as defense industry breakdown as consequently of criminalization and pillage of country by Gorbachev and Putin resulted in a situation where all modernized versions of this gun are whether additions for the gift versions of this weapon western accessories and agressive advertising in mass media, or an attempt to use the idea of a counter-weight set in motion by a pinion drive, which was rejected in the beginning of 20th century.

As of today all version of Kalashnikov automat fail to meet modern requirements.

Its main rival M16 has marginally better accuracy of fire, but it is excessively complicated and has poor reliability in real combat conditions.

Moreover, declared in advertising specification the characteristic and reliability are more or less just only for low-powered cartridge 5.56.

Attempts to get back to cartridge 7.6, or switch to cartridge 6.8 were unsuccessful.

Automatic small arms of European countries replicates all these problems - it has or low accuracy in automatic mode of fire, or to reach rather modest results it is so overcomplicated that is hardly suitable for operation under complicated conditions, and is too expensive.

I managed to find a solution for these problems by paying attention to search for a new method of control of motion parameters of a bolt by means of supporting its recoil spring onto a mobile part moved in the shot direction by powder gases.

The recoil spring in such weapon is supported by energy and inertia of a mobile part moved the shot direction by powder gases.

As a result of such a solution the breech-block becomes self-balanced without using a pinion or lever drive.

As a consequence at close moments of time most important moments of inertia impacting upon weapon frame act in antiphase and this, without deterioration in reliability makes it possible to use powerful enough cartridges 6.8 - 7 and, at the same time have adequate accuracy in mode of automatic fire.

All projects P.A. No - 2,960,545; No - 2,970,272 and No - 2,970,243 are based on the ideas stated in P.A. No - 2,960,545 - "The method of controlling of the motion parameters of a bolt by means of supporting its recoil spring onto the movable part that is moving into the firing direction under action of propellant gases of the shot.

Modular firearms having the self-balancing recharging mechanism with decreased recoil force, which are designed on the basis of this method".

This method makes it possible:

1. To eliminate such a major drawback of hand weapons as transfer of forces arising as a result of weapons recharging during firing, onto its frame and initiation of accompanying vibrations that reduce the accuracy of firing in "automatic fire" mode;

2. To reduce speed of the kickback of breech blocks working in manner blowback or blowback with delay and, as a result, can reduce the rate of fire or to give increase barrel length without increasing weight of a breech block;

3. To design and manufacture several types of gas operated automatic weapons having significant advantages over already existing samples;

4. To create new types of weapons, and to modernize existing ones;

5. To use powerful cartridges in weapons with breech blocks working in blowback or blowback with delay manner.

On the basis of this method, was claimed a concept of breech block and a design of a modular gas operated automatic weapon P.A. No - 2,970,272 - "Conception of a breech block for automatic, gas operated weapons in which, unlocking of breech block carries out by direct or indirect influence of gas piston moving in the direction of the shot under of the action of the powder gases of the shot. The construction of the breech block that is made by usage of the conception proposed above. The design of an automatic, gas operated weapon that carry out by usage of the construction of the breech block proposed above"

The features of this type of weapon are as follow:

1. Automatic works in a balanced mode, mutually compensating forces arising at recharging of the weapon, and, as a result, forces, arising at the breech block, not transferring onto frame of the weapon;

2. At the time of opening, the bolt, by action of breech block, an additionally, is pressed to the chamber, compensates the pressure of shot's gases onto the cartridge and it facilitates the opening of the bolt;

3. Locking of the bolt in this type of breech block can be realized by various schemes as for example: by upgrading already existing weapons having a rotating shutter (in assault carbines such as Kalashnikov or M16) or in the weapons having a locking block, which are described below.

In the supplementary patent application P.A. No 2,970,243 it is stated - "The design of an under-barrel grenade launcher that: is loaded from the muzzle; is intended for gas operated weapons and works in manner fire-out-of-battery.

The design of a cartridgeless grenade that is assigned for described above the grenade launcher"

This under-barrel grenade launcher is assigned to be used in conjunction with the assault carbine that claimed in P. A. No - 2,970,272.

Claimed under-barrel grenade launcher and its cartridge perform a shot in manner of "fire-out-of-battery", which allows using more powerful and effective grenades than in already existing under-barrel grenade launchers.

Abstracts:

P. A. No - 2,960,545

Patent application named:

"The method of controlling of the motion parameters of a bolt by means of supporting its recoil spring onto the movable part that is moving into the firing direction under action of propellant gases of the shot.

Modular firearms having the self-balancing recharging mechanism with decreased recoil force, which are designed on the basis of this method"

The destination and the area of application of method are design and manufacturing of modular, automatic or self-acting short guns and submachine guns having blowback or blowback with delay and which can use high-power cartridges and has a high accuracy and comfort of firing.

For example -

The modular, blowback operated, police's submachine gun with interchangeable barrels for cartridges: P+ and .40S & W. As an example - Fig9

(set of drawings are available for production of prototypes).

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1, 2, 3, 4, 5, 6, 7, 8, 9, 10 - the module of breech block and barrel (firing pin, lever of manual recharging and extractor are not specified on the scheme);

24 - magazine; 25 - module of hammer and trigger mechanism; 26 - module of magazine receiver; 28 - main frame; 29 - case; 30 - buttstock

-- The modular, blowback operated with check point delay, military submachine guns with interchangeable barrels for cartridges: P++; 10мм Auto и 5.7*30 special. As an example - Fig31.

(set of drawings are available for production of prototypes)

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1, 2, 3, 4, 5, 6, 7, 8, 9, 10 - blowback operated module together with barrel (firing pin, cocking lever and extractor doesn't designate in diagram);

12 - spring of damper; 13 - limiter; 14 - adjuster; 15 - spring of damper; 16 - locking block; 24 - magazine; 25 - module of trigger mechanism; 26 - module of receiver of magazine; 28 - load frame; 29 - jacket; 30 - buttstock

-- The civil, modular, self-loading carbine with interchangeable barrels and removable breech block for cartridges: TT/mauzer 7.62; P+; .45ACP и .40S&W. As an example - on basis of Fig9.

-- The blowback operated with check point delay firearm for cartridges: TT/mauzer 7.62; P+; .45ACP и .40S&W on basis of Beretta. As an example - Fig32

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1 - barrel; 2 - bolt; 2a -slider; 3 - gas brake; 4 - movable part ; 5 - supportive platform for recoil spring; 6 - recoil spring; 8 - aperture of gas brake; 12 spring of dumper; 13,13a - limiter; 14 - adjuster; 15 - spring of the locking block; 16 - locking block; 28 - frame

The modular, blowback operated with check point delay, military submachine guns with interchangeable barrels for cartridges: .357 SIG (9x22); .45ACP и .40S&W; 10мм Auto. As an example - Fig39 (outer case don't shown)

(set of drawings are available for production of prototypes).

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3 - gas brake; 4a - slider; 24 - magazine; 29 - extractor; 30 - module of trigger mechanism and handle; 31- trigger; 32 - lock of magazine; 33 - lock of safety cocked; 34 - gas adjuster and assembler

Specified technical result is achieved by means of usage of the claimed above method of controlling of parameters of motion of a bolt, in which recoil spring of a bolt is not supported on the frame of arms. In this innovation recoil spring is supported on the movable, supportive platform 5 which is associated via the movable part 4 with the gas piston 3b and this gas piston can move in direction of shot under action of powder gases. Fig1, 2, 3. As the gas piston, the gas brake 3 can be used. Fig 2, 3

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1 - barrel; 2 - bolt; 3 - gas brake; 3a - gas piston ,4 - movable part (slider); 5 - supportive platform for recoil spring; 6 - recoil spring; 7 - aperture for gas bypass; 8 - aperture of gas brake; 9 - outlets of the gas brake; 10 - shock damper.

At the initial instant of shot, the bolt 2 under the influence of powder gases onto the cartridge case starts to move and compress the recoil spring 6 relative to the supportive platform 5 that is connected with the gas brake 10 or gas piston.

After the start of gas bypassing 11 through the aperture 7 into the gas brake 3, this gas brake moves forward under the action of propellant gas of shot and through the slider 4 and the platform 6 compresses the recoil spring 5 relative to the bolt 2. Fig4

In the final instant of shot, the gases which coming from the outlets of barrel is added to the gases coming from the aperture 7 and they act onto the gas brake together.

As a result of that, the movement of the bolt 2 is slowed down and completely terminated, without any contact with back of the frame or efforts that can be transmitted onto the frame of arms. Fig 5

The feature of such blowback is that the length L5 on which the spring 6 is compressed, is greater than the stroke length L2 of the bolt. Fig6

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1 - barrel; 2 - bolt; 3 - gas brake; 4 - movable part (slider); 5 - supportive platform for recoil spring; 6 - recoil spring; 7 - aperture for gas bypass; 8 - aperture of gas brake; 9 - outlets of the gas brake; 10 - shock damper; 11 - the trajectory of the powder gases through the gas brake; L0 - the length of the recoil spring before the shot; L1 - the length of the return spring at the rear position of the bolt; L2 - maximum stroke length of the shutter; L5 - maximum stroke length of the recoil spring.

This difference approximately corresponds to manner of working of much more complex of a lever-delayed blowback of firearms.

Comparing of the graphs shows that, at each instant, the vector of moment of inertia on graph P1 of a conventional reloading mechanism is greater than the vector of moment of inertia on graph P2 of the claimed reloading mechanism and closely spaced vectors of moments of inertia of the claimed reloading mechanism are in an antiphase. Fig8

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1 - barrel; 2 - bolt; 3 - gas brake; 4 - movable part (slider); 5 - supportive platform for recoil spring; 6 - recoil spring; 7 - aperture for gas bypass; 8 - aperture of gas brake; 9 - outlets of the gas brake; 10 - shock damper; P1 - a conventional blowback; P2 - the blowback that works in manner stated in the Claim 1; M - vectors of moments of inertia; T - vector of time; t1 - start of bypass of gases through aperture 7; t2 - moment of completion of shot; t3 - moment of total opening of chamber ; t4 - bolt in extremely back position; t5 - moment of total closing of chamber

The point-delayed blowback operated breech block for automatic or semi automatic weapons Fig 31 works as follows:

When weapon is ready to shot Fig 26, the centering pivot 19 and the rack 17 engage into the grooves on the slider 4 by means of influence of the spring 15. As result of that - bolt 2; locking block 16; supportive platform 5; recoil spring 6; slider 4; gas brake 3 and coil 14 are forming united unit having a significantly greater total mass than the total mass of the bolt and of the locking block is.

In initial instant of shot Fig 27, under action of powder gases to a cartridge, this united module moves in manner as blowback operated mechanism for which coil 12 of shock damper 10 is working as a recoil spring.

As this coil 12 has high resistance to compression and this united module has enough big mass, it moves approximately only on 2-3 mm before of bypassing of gases via aperture 7. Simultaneously with this movement on 2-3mm, coil 15 has lifted locking block 16 and unlocks parts of this united module under of influence of adjuster 14.

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2 - bolt; 3 - gas brake; 4 - slider; 5 - supportive platform; 6 - recoil spring; 7 - aperture for gas bypass; 10 - shock damper; 12 - spring of shock damper; 13 - limiter; 15 - spring of locking block; 16 - locking block; 21 - cartridge case; L0 - overall length of recoil spring; L3 - overall length of shock damper spring.

After unlocking of parts of this united module, the reloading mechanism works in the manner declared in Claim 1- Fig 28.

The gas brake 3 under of the influence of powder gases is moving forward and the supportive platform 5 will be to begin squeeze the recoil spring 6 relative to the bolt 2, counteracting its motion.

The bolt begins to move in the opposite direction relative to the all parts which associated with the gas brake and they do not interact with the spring of shock damper.

As result of that, moment of inertia of the moving parts is not transmitted to the frame of firearms and the reloading mechanism is working into balanced manner.

After completion of the shot and extraction of a cartridge - Fig 29, the bolt 2 and parts 3, 4, 5 begin to move in the opposite direction towards each other. At this moment, the reloading mechanism works into a balanced manner as well as described above.

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2 - bolt; 3 - gas brake; 4 - slider; 5 - supportive platform; 6 - recoil spring; 7 - aperture for gas bypass; 10 - damper; 12 - spring of damper; 15 - spring of locking block ; 16 - locking block; L0 - overall length of recoil spring; L2 - length of recoil spring in present time; L1 - stroke length of bolt in present time.

In the final moment of loading Fig 30, spring 15 is sliding on the ledge of adjuster 14 along the segment H and presses on a centering pivot 19 of the locking block pressing it into the slider 4. This carries out an additional braking. Such braking provides a soft impact of the bolt at the barrel and the supportive platform at the shock damper 12.

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2 - bolt; 3 - gas brake; 4 - slider; 5 - supportive platform; 6 - recoil spring; 7 - aperture for gas bypass; 10 - damper; 12 - spring of damper; 14 - adjuster 15 - spring of locking block ; 16 - locking block; L0 - overall length of recoil spring; L2 - length of recoil spring in present time; L1 - stroke length of bolt in present time

Moments that have arisen during impacts are in opposite phase and take place in close periods of times.

P. A. No - 2,970,272

Patent application named:

"Conception of a breech block for automatic, gas operated weapons in which, unlocking of breech block is carried out by direct or indirect influence of gas piston moving in the direction of the shot under the action of the powder gases of the shot.

The construction of the breech block that is made by usage of the conception proposed above.

The design of an automatic, gas operated weapon that carry out by usage of the construction of the breech block proposed above "

The proposals which are given into the patenting process:

-- The design of an automatic, gas operated weapon in which the recoil spring is supported on mobile parts or on combined unit that moves under the influence of powder gases in the direction of shot - as claimed in my patent application - nn 2,960,545 and unlocking of breech block is carried out by influence of gas piston moving in the direction of the shot under the action of the powder gases of the shot.

-- The design of module of an automatic, gas operated assault carbine that carries out by the proposed in item 1 in which, for the flexible adjustment of the reloading process, two gas chambers which sequentially (during the time) acting in opposite directions on the gas piston are used.

-- The assault carbine designed as "bullpup" in basis of the module that declared in items 1and 2, in which grip can located near center of gravity as it is adjustable and can be deviated from the vertical position, to the right or left, depending on with which arm a user carries out shoot.

-- The design of the submachine gun module that carries out by the proposed in item 1, in which the main grip's surface, that is holded by the user's hand, is formed by the magazine being inserted into the simplified frame of a grip.

The assault carbine is made as the complete module of the minimum basis configuration which, by assembling with additional elements, is completed to the required configuration. Fig 1, Fig 6

(set of drawings are available for production of prototypes)

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11 - pistol grip; 15- receiver; 16 - slider with bolt carrier; 17 - main recharging spring; 19 - spring of gas piston dumper; 20 - main gas block; 21 - intermediate gas cylinder; 22 - gas block of firing rate accelerator; 25 - barrel; 26 - charging handle; 27 - assembling pin; 47 - recharging pin with trigger; 48 - spring of recharging handle; 54 - bolt carrier; 55 - bolt; 56 - lock of bolt; 57 - gas piston; 60 - firing-pin; 61 - hammer and trigger module

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The outer protective shell is made according to the requirements of the customer from plastic using methods of: injection molding under pressure or 3D printing.

The assault carbine can be completed in the configuration: conventional or bullpup, with usage of several different types of barrels and types of cartridges

It is provided possibility of an integral installation of a 50mm rifled grenade launcher having reduced recoil and using special active or actively-reactive grenade.

The module of assault carbine, depending of a configuration, is intended for various types and calibres of rimless ammunitions up to 2000-2500J

Breech block is executed on the basis of my patent application - nn 2,960,545 with the usage of vertically sliding lock.

The module has two modes of rate of fire: main - 400 per min and accelerated - 600-800 per min.

The module does not have a separate mode switch - "single-automatic fire".

This mode is automatically changed depending on the length of the trigger movement.

The module uses standard magazines of 20 or 30 rounds

Approximate weight of the base module without magazines is 3.2-3.5kg

Below, as an example:

The version of the modular assault carbine that is considered: has an integrated 50mm grenade launcher; uses the cartridges 6.8 mm Remington SPC; has the bullpup configuration with a magazine of 30 rounds; has a simplified plastic case and a barrel length of 400 mm, which has a forced cooling by injecting of air by means of usage of gases of shoot. Fig 2, Fig 4, Fig 9

(set of drawings are available for production of prototypes)

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1 - outer shell; 2 - buttstock; 3 - mounting bar and assembling lock; 4 - firing rate accelerator/adjuster; 5 - safety lever of grenade launcher and adjustable basis for rear grenade launcher sight; 6 - rear grenade launcher sight; 7 - muzzle brake and air injector; 8 - front grenade launcher sight; 9 - grenade launcher ; 10 - trigger; 11 - pistol grip; 12 - safety catch; 13 - magazine; 14 - buttstock dumper

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15- receiver; 16 - slider with bolt carrier; 17 - main recharging spring; 18 - deflector; 19 - spring of gas piston dumper; 20 - main gas block; 21 - intermediate gas cylinder; 22 - gas block of firing rate accelerator; 23 - air inlet ports; 24 - outlet ports for gas and air mix; 25 - barrel; 26 - charging handle; 27 - assembling pin; 28 - spring of trigger; 29 - safety connecting bar from locking block to module of hammer and trigger mechanism

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44 - sliding door of ejecting port; 45 - spring of sliding door; 46 - assembling pin of pistol grip and lock's module; 47 - recharging trigger; 48 - spring of recharging handle; 49 - crank of recharging trigger; 50 - actuator of slider's catch

The assault carbine is made on basis of the complete module of the minimum basis configuration which, by assembling with additional elements, is completed to the required configuration.

In this version two gas blocks are used - "main" and "rate accelerator", which influence sequentially in contrary direction onto same gas piston and carry out changing rate of fire.

The breech block of assault carbine that is declared above is viewed in Fig 3

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16 - slider with bolt carrier; 17 - main recharging spring; 20 - main gas block; 21 - intermediate gas cylinder; 25 - barrel; 54 - bolt carrier; 55 - bolt; 56 - lock of bolt; 57 - gas piston; 60 - firing-pin; 62 - additional spring

The breech block of the assault carbine work in manner described below.

The breech block is ready to action and carries out shot into half opening position in which cartridge is half inserted into chamber only with bullet and cannot be overheated.

The lock of the bolt is in opening position.

It can be locked in this position by the safety lock.

After pushing on trigger, the slider moves forward under influence of return spring and the bolt seats cartridge into chamber.

After that, the notch on surface of slider allows to close bolt's lock.

When bolt's lock will be closed firing pin is released and cartridges primer is acting.

In initial moment of shot, under acting of powder gases from the main gas block, the piston goes forward and the slider via return spring is moved in direction of shot and at first, via the addition spring, it pushed the bolt to button of a cartridge and after that the lock of the bolt can be opened.

Before then the breech block is unblocked and the bolt under action of powder gases on button of cartridges goes backward, piston proceeds to go forward and compresses return spring assumes forces of recharging on the lock of the bolt.

After that and when pressure in barrel is decreased, the return spring by supporting on remanent pressure in the main gas block and inertia of the gas piston recharges a new cartridge.

The modular submachine gun on basis of declared above is made as the complete module of the minimum basis configuration which, by assembling with additional elements, is completed to the required configuration. Fig 5, Fig 16 (Here and below - An external plastic case don't represented)

(set of drawings are available for production of prototypes)

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3 - gas brake; 4a - slider; 24 - magazine; 29 - extractor; 30 - module of trigger mechanism and handle; 31- trigger; 32 - lock of magazine; 33 - lock of safety cocked; 34 - gas adjuster and assembler

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3 - gas brake; 3a - gas piston; 4 - movable part (slider of bolt); 6 - recoil spring; 7 - aperture for gas bypass; 16 - locking block; 24 - magazine; 30 - - module of trigger mechanism and handle; 31- trigger; 32 - lock of magazine; 34 - gas adjuster and assembler ; 35 - hammer; 36 - firing pin; 37 - hammer catch; 38 - holder of barrel

In this variant, modular submachine gun uses the cartridges .357 SIG (9x22).

Injection of cartridges can be carry out in any side by means of position of deflector changing.

The module has three common parts - the module of breech block; the module of trigger mechanism and a combined magazine Fig 15.

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24 - magazine; 30- module of trigger mechanism and handle; 39 - module of breech-block and barrel

The breech block of module of the submachine gun Fig 17, 18 work in manner described below.

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1 - barrel; 3 - gas brake ; 3a - gas piston; 4 - movable part (slider of bolt); 6 - recoil spring; 7 - aperture for gas bypass; 16 - locking block; 36 - firing pin; 38 - holder of barrel; 44 - master cam for locking block

The structural features of this submachine are integration into one sub unit: the gas brake with the gas piston Fig 19, 20 and the master cam for locking block with the assembling pin for recoil spring.

0x01 graphic

3a - gas brake; 3b - gas piston; 40 - holder of slider; 41 - guiding

The breech block is ready to action and carries out shot into half opening position in which cartridge is half inserted into chamber only up to bullet and as result of that it cannot be overheated.

The lock of the bolt is in opening position.

It can be locked in this position by safety lock.

After pushing on trigger, the slider moves forward under influence of return spring and the bolt seats cartridge into chamber.

After that, bolt's lock pass to the notch on barrel and it locks breech block.

When the bolt's lock will be closed, the firing pin is released and a cartridges primer is acting.

After initial moment of shot, under acting of powder gases onto the main gas block, piston goes forward and slider via return spring is moved in direction of shot and, via influence of the master cam, the lock of the bolt is opened.

When the bolt is released and, under action of powder gases on button of cartridges, it goes backward, the combined unit of gas brake and gas piston, at first under action of gases on the gas piston and after by action of gases on the gas brake, proceeds to go forward and compresses return spring assumes forces of recharging.

When pressure in barrel is decreased, the slider via the return spring that supporting on remanent pressure and inertia of the combined unit, recharges a new cartridge

P.A. No - 2,970,243.

Patent application named:

"The design of an under-barrel grenade launcher that: is loaded from the muzzle; is intended for gas operated weapons and works in manner "fire-out-of-battery.

The design of a cartridgeless grenade that is assigned for described above the grenade launcher."

The specific features of this grenade launcher are:

-- For reducing recoil force it work in manner "fire-out-of-battery";

-- Composite barrel consist of three main parts - of light weight low pressure barrel (hereinafter LP) and a medium pressure barrel (hereinafter MP) integrated with a high pressure barrel (hereinafter MP) which form a joined moveable chamber that moves inside of a LP barrel;

-- Loading of a grenade carries out from a muzzle when movable composite chamber is put forward into loading position;

-- During of shoot, when the grenade leaves the chamber, this chamber changes direction of movement to forward at movement to rearward and compensates and dumps recoil forces arising of grenade leaving from LP barrel.;

Ignition of a propellant charge of a grenade and an initial movement of a chamber are carried out by means of usage of powder gases from recharging system of gas operated weapons in which this grenade launcher is assembled.

The proposals which are given into the patenting process:

1. The design of the grenade launcher for gas operated weapons, which is loaded from the muzzle and works in manner "fire-out-of-battery.

2. The design of a cartidgeless grenade that is assigned for described above the grenade launcher.

3D disassembling and specification of parts of grenade launcher are viewed in Fig 1.

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1 - grenade; 2 - MP barrel; 3 - LP barrel; 4 - HP barrel; 5 - assembling ring; 6 - receiver; 7 - male union; 8 - elbow; 9 - protective case; 10 - recharging handle

The grenade launcher claimed above works in manner described below.

The grenade launcher is installed on gas operated weapon thereby that, for execute of shoot, it can receive powder gases from this gas operated weapon.

As an example, in the grenade launcher that is viewed on Fig 9 powder gases, for initiating of grenade shoot, are supplied through the feeder of powder gases from the cock o the safety lever of the grenade launcher.

(set of drawings are available for production of prototypes)

0x01 graphic

7 - male union; 20 - main gas block; 21 - safety lever of grenade launcher with an adjustable basis for rear grenade launcher sight; 22 - feeder of powder gases; 23 - barrel; 24 - assembling pin; 25 - elbow

For loading of the grenade launcher, the movable chamber that is consist of joined together HP and MP barrels, is pulled out into charging position by a charging handle. A grenade is put up into LP barrel and is rotated thereby that a rifling of the grenade comes into a rifling of chamber. Fig 2, Fig 3

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1 - charged grenade; 10 - recharging handle in charging position

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1 - grenade; 2 - MP barrel; 3 - LP barrel; 4 - HP barrel; 5 - assembling ring; 6 - receiver; 9 - protective case; 10 - recharging handle; 11 - cap of LP barrel

After that, the chamber is moved onto the shoot position up to that the male union of the launcher puts into the inlet port of the grenade. Fig 4

In initial moment of shoot, powder gases from a gas operated weapon, which coming into the chamber of the grenade launcher drives forward the movable chamber and carries out mode "fire-out-of-battery" and, after that, they initiates the propellant charge in the grenade. Fig 4

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1 - grenade; 2 - MP barrel; 3 - LP barrel; 4 - HP barrel; 6 - receiver; 7 - male union; 10 - recharging handle; 11 - cap of LP barrel; 12 - compression's ring

When the propellant charge of the grenade is ignited, the grenade leaves the rifled chamber and realizes shoot out of LP barrel. In this time, under influence of gases of a propellant charge the chamber goes backward and partly compensates recoil force of this shoot.

In additional, wasted gases in chamber works as dumper. Fig 5, Fig 6.

0x01 graphic

1 - grenade; 2 - MP barrel; 3 - LP barrel; 4 - HP barrel; 6 - receiver; 7 - male union; 10 - recharging handle; 11 - cap of LP barrel; 12 - compression's ring; 13 - chamber of propellant charge

0x01 graphic

1 - grenade; 2 - MP barrel; 3 - LP barrel; 4 - HP barrel; 6 - receiver; 7 - male union; 10 - recharging handle; 11 - cap of LP barrel; 12 - compression's ring; 13 - chamber of propellant charge

The specific features of the grenade Fig 7, Fig 8 are:

-- The grenade is inserted into the rifled moveable chamber only by rear part having high- pattern ready rifling.

-- All of a propellant charge is located inside rear part of the grenade.

-- The propellant charge is ignited by means of usage of outward powder gases

-- There is a charging cuts on front side of the grenade

0x01 graphic

12 - LP compression's ring; 12a - HP compression's ring; 14 - initiating inlet port; 15 - outlet ports; 16 - spinning guide; 19 - recharging cap

0x01 graphic

12 - LP compression's ring; 12a - HP compression's ring; 13 - chamber of propellant charge;14 - initiating inlet port; 15 - outlet ports; 16 - spinning guide; 17 - combustible disk; 18 - warhead; 19 - recharging cap

2 collage

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Weapons recharging method and weapons design on the basis of this method