DE1161789B - Grenade-throwing device that can be attached to the barrel of portable firearms, which are provided with gas discharge, which also acts as a muzzle brake - Google Patents

Description

FEDERAL REPUBLIC OF GERMANY

GERMAN

PATENT OFFICE

EDITORIAL

Boarding school Class: F 07 b

German class: 72 a -29/02

Number: 1161789

File number: F 31425 I c / 72 a

Filing date: June 10, 1960

Opened on: January 23, 1964

The invention relates to a launching device on automatic ones designed as a gas pressure loader or semi-automatic firearms with a guide designed as a muzzle brake which bombs, grenades and similar explosive projectiles can be attached. There are side slots the muzzle brake is provided, which is provided by a movable tube provided with overlapping slots are lockable. Furthermore, such a launching device is designed as a visor flap Aiming device for setting the desired range and with a slider on Gas pressure working cylinder to switch the weapon from normal, d. H. automatic or semi-automatic Provided operation in an operating position in which the gas transfer into the working cylinder is shut off is, while in the normal position the gases through a hole in the barrel directly into the working cylinder can transgress.

There are already. Launching devices of the type described become known in which in the Slidable shut-off devices are provided in the longitudinal direction of the barrel, which are necessary for the automatic Block the operation of such weapons provided gas discharge. Also the arrangement of one Folding visors in grenade launcher devices as well as those arranged in a closable manner on the side of the explosion chamber Outlet openings are already known in grenade launcher devices. The previously known automatic or semi-automatic handguns of the type described have the disadvantage that they are provided with more or less complicated valve devices or with tortuous gas channels that become clogged or encrusted relatively easily, especially when used in the field can, so that a perfect function is no longer guaranteed.

It is therefore the object of the invention to provide a launcher for gas-operated handguns create, which is designed to be particularly simple and operationally reliable and its conversion in simple Way can be done. A standard handgun from one type of use as an automatic handgun and the other as a grenade launcher be convertible.

According to the invention, this goal is achieved in that the blocking of the bore in the barrel by a movable slide in the direction of the barrel axis and the closing of the side slots of the muzzle brake by an axial displacement of the tube with respect to the muzzle brake is carried out, where grenade-throwing device on the barrel of
portable firearms that can be attached to
Gas discharge are provided, which also as
Muzzle brake works

Applicant:

Fabbrica D'Armi P. Beretta S. p. A., Gardone

(Italy)

Representative:

Dr.-Ing. E. Hoffmann and Dipl.-Ing. W. Eitle,
Patent Attorneys, Munich 8, Maria-Theresia-Str. 6th

Claimed priority:

Italy of April 2, 1960 (No. 2333)

when the changeover device is formed by the visor flap, which is swiveled out of its normal position horizontal rest position on the barrel of the firearm in the vertical operating position in which it serves as a visor for the launcher, the ScMeber via a cam and a double fork and takes the pipe with it and continuously closes the bore and the slots at the same time. At a an expedient embodiment of such a launching device is the slide through the housing of the working cylinder formed.

The launching device according to the invention thus allows simply pivoting the visor flap a simultaneous closure of the gas outlet, if it is in their for firing grenades intended position is pivoted. The closure of the gas outlet allows a maximum Throwing range of the grenade. On the other hand, if the weapon is again called automatic or semi-automatic Handgun should be used when the visor flap is folded down, the sealing cylinder automatically for the gas discharge slots in the opposite direction with simultaneous opening of the Slits moved so that the gas pressure charging device is put into operation again and the closure, operates the loading and ammunition feeder automatically. Further details of the invention result from the description of the embodiment shown in the drawing.

309 780/17

F i g. 1 is an axial longitudinal section through the front, and the pin ends on the one hand in one

direction necessary for normal operation as an automatic control handle and on the other hand in a secured

Weapon is set; Lock nut (Fig. 5).

Fig. 2 is a partial section along the line AA of the EHe muzzle brake 6 with the attached to it

Fig. 1; 5th division is then, as I said, as an extension of the

Fig. 3 is a section corresponding to Fig. 1, barrel 1 screwed to its muzzle,

but in operating condition for bombing; When the visor flap 14 is in its horizontal position

F i g. 4, 5 are sections along the lines BB or, if it is folded down (FIG. 1), then the hole 2 is standing

CC of FIG. 3, and for gas discharge on the barrel via a corresponding

F i g. 6 to 9 show details of the device in the bore of the slide 3 with its inner chamber in FIG each in side and front view. Link. At the moment of the Lain explosion F i g. 1 is the device according to the invention manure thus a part of the resulting gases in For example, on a semi-automatic rifle, the cylinder 3, which is designed as a slide, is used Type Garand, model M1, shown attached. makes the facilities for the automatic loading The visor flap 14 is designed to operate as an automatic 15 drive of the weapon. If the visor flap 14 with the Automatic weapon folded down, and consequently the hand covers itself by 90 ° in its vertical position (Fig. 2) Drill hole in the wall of the gas cylinder or fold it up, then the weapon is automatically for the Bebers 3 prepared as a grenade launcher with hole 2 for gas discharge in the drive. At the ver wall of barrel 1. Barrel and cylinder are thus the pivoting of the flap 14 is carried out in the bore 8 in direct connection. 20 of the ring 7 attached to the tube 6 rotatably mounted

The gas cylinder 3, designed as a slide, contains twisted pin 9, and the cam disk 15 acts

the front for the automatic operation of the weapon on the double fork 12 of the displaceable sleeve 5

organs seen. The cylinder 3 is through a front in such a way that it runs along the muzzle brake 6

Plug 4 closed and by means of a sleeve that is pushed back of the barrel 1,

is displaceable in the longitudinal direction, guided on barrel 1. 25 Since the sleeve 5 with its ring 13 the closure

As an extension of the barrel plug 4 of the gas cylinder 3, this is also included at the muzzle 1 screwed on a muzzle brake 6, which also shifted scr back in the same direction. With is intended to close the bomb to be fired or its outer surface as a slider from the grenade to hold. This muzzle brake 6 obstructs the cylinder 3, the bore 2 and interrupts However, in no way does it change the normal automatic flow of gases into the interior of the Zyschen Operation of the weapon as a rifle. Your smallest Linders 3, which also includes the one for the automatic inside diameter of the legs is larger than the caliber of the gearbox of the weapon provided organs out of order weir, and also has one or more set. The whole thing errere in the explosion Chambers that have a noticeably larger volume of gas produced in this way are available to the surveyor own and have their walls available with suitable firing of the bomb or grenade, arranged through openings are provided, which The pivoting of the visor flap 14 in the reverse Chambers with the outside air in connection causes the return of the parts of the sense set. Weapon in the state illustrated in FIG. 1

F i g. 3 shows the same device, but in loading, so that the weapon is again for the automatic

state of propulsion for firing bombs with 40 ready to operate.

the operation as an automatic rifle is temporarily interrupted. The openings 18 of the muzzle brake 6 are is bound. The visor flap 14 is by hand outside by means of a tube 19 which is concentric around from a position perpendicular to the barrel axis - the extension tube is folded around in the longitudinal direction, being automatically arranged with the help of the following and also with the explanations Devices that are designed as slides are lockable. By means of two Dete cylinder 3 is moved backwards so that extensions 20, which extend to the sleeve 5, is the tube the bore 2 in the barrel 1 is closed and not 19 connected to the sleeve of two screws 21 more in connection with the interior of the cylinder (see Figs. 2 and 4).

stands. When the charge explodes, the whole of the case 5 is thus generated when it is opened or folded down

The gases produced are therefore shifted to the barrel muzzle for 50 of the visor flap 14, then the same-

the firing of the slide 3 and the barrel 19 with the muzzle brake 6 temporarily

set bomb or grenade available. postponed.

On the muzzle brake 6, the outer diameter of which As from FIG. 1 shows in which the weapon is in

knife and length of each weapon and the normal operating condition as an automatic rifle

are adapted to the type of bomb used, a 55 is shown with the visor flap 14 down,

Ring 7 put on with an approach that is a Boh- the openings 18 are open in this state,

tion 8 has (see Fig. 8), through which a tap and the bore 2 of the barrel 1 is with the inner

fen 9 is inserted through it. The ring 7 is in the space of the cylinder 3, which is designed as a slide

Muzzle brake 6 firmly attached. Link. So these gases operate the normal ones

Subsequent to the ring 7 is a sleeve 5 on the 60 devices for the automatic operation of the

Muzzle brake 6 or on the barrel 1 slidably on the weapon and then expand in the chambers 17,

brought (see Fig. 6, 7), the above as a double fork 12 with some of the gases through the openings 18

is formed and below by means of a ring 13 reaches the outside. Doing so will be extremely effective

The head of the plug 4 engages, which achieves the muzzle braking effect as a slide,

trained gas cylinder 3 completes. On the other hand, if, as in FIG. 2 shown the gun

the bore 8 of the fixed ring 7 lying pin 9 is prepared for firing grenades and the

if the sight flap 14 has been folded up symmetrically to the vertical central axis of the weapon, then it is not

a cam 15 and the visor flap 14 only fixed the hole 2 in the barrel 1 for the gas discharge in

The cylinder 3 is closed, but there are also the openings 18 in the walls of the chambers 17 covered by the tube 19. The gases generated during the launch can therefore not enter the cylinder 3 enter and operate the organs for the automatic operation of the weapon, nor can they through the Breakthroughs 18 emerge. It is therefore the total gas pressure for the launch of the muzzle brake 6 attached bombs or grenades are available. ίο

Claims (2)

Patent claims: 1. Launching device designed as a gas pressure loader automatic or semi-automatic Handguns with a guide designed as a muzzle brake for the to be put on Bombs, grenades and similar explosive projectiles, with side slits of the muzzle brake can be closed by a movable tube provided with overlapping slots, as well as with an aiming device designed as a visor flap for setting the desired one Firing range and with a slide on the gas pressure working cylinder to switch the weapon from normal automatic or semi-automatic operation, in which the gate valve removes the gases can pass directly into the working cylinder through a hole in the barrel, in an operating position in which the gas passes into the working cylinder is blocked, characterized in that the blocking of the bore (2) on the barrel (1) by one in the direction of the barrel axis movable slide (3) and the closing of the side slots (18) of the muzzle brake takes place by an axial displacement of the tube (19) relative to the muzzle brake (6), the switching device of the Visor flap (14) is formed by pivoting from its normal horizontal Rest position on the barrel (1) of the firearm in the vertical operating position in which it acts as a sight serves for the launcher via a cam (15) and a double fork (12) the Slider (3) and the tube (19) takes along and the bore (2) and the slots (18) at the same time closes continuously. 2. Launching device according to claim 1, characterized in that the slide (3) through the housing of the working cylinder is formed. Considered publications:
German Patent Nos. 884 306, 882 358;
U.S. Patents Nos. 2,883,781, 2,807,112,
361. 1 sheet of drawings 309 780/17 1.64 © Bundesdruckerei Berlin