WO2020077373A1 - Dispositif de montage pour une arme à feu - Google Patents

Dispositif de montage pour une arme à feu Download PDF

Info

Publication number
WO2020077373A1
WO2020077373A1 PCT/AT2019/060304 AT2019060304W WO2020077373A1 WO 2020077373 A1 WO2020077373 A1 WO 2020077373A1 AT 2019060304 W AT2019060304 W AT 2019060304W WO 2020077373 A1 WO2020077373 A1 WO 2020077373A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
locking element
extension
mouth
attachment
Prior art date
Application number
PCT/AT2019/060304
Other languages
German (de)
English (en)
Inventor
Christian KADA
Karl Hittmann
Lukas Michael ULBING
Original Assignee
Mdg - Muzzle Devices Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mdg - Muzzle Devices Gmbh filed Critical Mdg - Muzzle Devices Gmbh
Priority to BR112021005664-5A priority Critical patent/BR112021005664A2/pt
Priority to US17/284,078 priority patent/US20210333062A1/en
Priority to EP19773334.8A priority patent/EP3867590B1/fr
Publication of WO2020077373A1 publication Critical patent/WO2020077373A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/32—Muzzle attachments or glands
    • F41A21/325—Mountings for muzzle attachments

Definitions

  • the present invention relates to a device for mounting an attachment at the muzzle end of a firearm, which has at least two diametrical Ausneh on its outer circumference, in particular in the form of a circumferential groove.
  • silencers i.e. Devices for mounting in the axial extension of the barrel of a firearm, to be screwed to the end of the muzzle using a specially provided thread.
  • a change of such attachments is complex because a safe installation is only guaranteed by a correspondingly long thread and complete screwing on.
  • the muzzle end of many firearms includes a muzzle device, e.g. a muzzle flash damper, a muzzle brake, a compensator or the like, which ches, like the long-widespread, standardized by NATO "A2" muzzle flash damper, has no thread for screwing an attachment, so that an additional mounting device is required .
  • the invention has for its object to provide a device which enables a quick and safe assembly of the attachment at the muzzle end of a firearm and is easy and inexpensive to produce.
  • a sleeve which can be pushed onto the mouth end to form an annular space and has an axially normal opening
  • an assembly piece which can be connected or is connected to the attachment and has an essentially tubular extension which can be inserted into the annular space between the mouth end and the sleeve and screwed to the sleeve,
  • a substantially horseshoe-shaped locking element which in the opening of the sleeve between a closed position in which the two legs of the horseshoe each engage with an inward rib in one of the recesses, and an open position in which they are exempt from the Ausneh are, radially displaceable, wherein in the closed position of the locking element, the extension, when it is inserted into the annular space, at its end of Endabschnit th the undercuts.
  • the assembly of the device - and thus the attachment - in axial extension of the barrel at the muzzle end of the firearm is particularly easy and quick to do.
  • end of the slide, the locking element is shifted into its closed position, and finally the extension of the mounting piece is screwed to the sleeve, which means that it engages at its end from the end sections of the legs of the locking element and the locking element is thus secured against unwanted displacement into its open position .
  • the device is thus in its assembly position.
  • the assembly can be done in just a few simple steps, and disassembly or replacement of attachments is just as quick.
  • the attachment has a secure fit at the mouth end, due to the combination of locking on two diametrical recesses on the outer circumference of the mouth end on the one hand and securing the locking by the screwed extension on the other hand.
  • the device is very easy to build from a few parts.
  • Each of the three parts is also of a simple shape, for example the sleeve and / or the mounting piece can largely be produced as a turned part, which enables inexpensive production of the device.
  • the extension is tapered and the side of the locking element facing it has a complementary design. This results in a self-centering of the extension or in an additional radial force on the locking element in the direction of its closed position when the extension is screwed in place
  • the end of the extension is stepped and the side of the locking element facing it is designed to be complementary to it, so that when reaching under the screwed extension, radial forces can finally act between the ends of the legs of the locking element and the extension.
  • each leg of the locking element is formed on the side of the rib facing away from the extension to form an inwardly projecting web, which is used to abut the lateral flattening of the muzzle device at the flattened end of the muzzle prevents rotation of the device around the muzzle end, which allows the attachment to be used particularly safely.
  • U-shaped plug-in brackets which are inserted radially into an attachment and used to inhibit rotation of the system
  • the sleeve has at least one inner projection on its end facing away from the assembly piece for support on the outer circumference of the mouth end. This helps Ensure a good fit of the device on the muzzle end in the axial extension of the barrel by the inner projection supports the sleeve at the muzzle end.
  • this inner projection is equipped with at least one resilient pressure piece as a compensating element, which enables an additional application of force.
  • the extension has at least one inner projection for support on the outer circumference of the muzzle device. Similar to the inner projection of the sleeve, the inner projection of the extension helps to ensure a good fit of the device on the mouth end.
  • the above-mentioned embodiments act - together or each separately - radially occurring forces, e.g. counteracting the force of gravity and thereby support that the attachment is kept coaxial to the inner shaft axis.
  • the assembly piece preferably forms an axial stop for the mouth end in the assembly position.
  • the end of the mouth is clamped between the mounting piece and the locking element, whereby an axial fixing of the device and thus the attachment is supported relative to the end of the mouth and the firearm.
  • the locking element has at least one handle projecting in its closed position over the outer circumference of the sleeve. This enables a simple displacement of the locking element and simplifies the assembly and disassembly of the device.
  • the locking element strikes in its open position with a shoulder on a stop of the sleeve. This limits the radial displacement of the locking element and prevents it from falling out of the sleeve. As a result, the locking element is not a lost part, which further increases the usability and safety of the entire device even in the rough operation of the firearm.
  • the shoulder is formed by the end wall of a groove in the side of the locking element facing away from the mounting piece and the stop is formed by the end of a screw which passes axially parallel through the inner projection of the sleeve.
  • This ensures a simple assembly of the device and precise guidance of the locking element in the sleeve opening up to the stop.
  • the Füh tion is particularly reliable if each of the two legs of the locking element is each equipped with a pin guided in the guide groove. This facilitates a largely parallel radial displacement of the two legs and prevents tilting of the locking element when moving.
  • the pin is either directly in the inner projection of the sleeve or e.g. mounted on the screw passing through this, which causes a simple disassembly of the device in the event of maintenance.
  • one of the two parts of the locking element and sleeve has at least one catch and the other part has a spring element cooperating therewith, by means of which the locking element in the open position with respect to the sleeve can be temporarily locked.
  • a locking function prevents an unintentional Ver slide out of the open position and thereby allows a safer and faster handling of the device with or without an attachment.
  • the extension has an inner circumferential recess in an axial section, which in the assembly position forms a cavity opposite the mouth end.
  • the powder gases escaping from the barrel under high pressure can relax in this cavity until the projectile has left the attachment.
  • the sleeve has at least one, preferably at least two, pressure relief opening (s) distributed over its circumference. These openings radially discharge remaining gas pressure and prevent or reduce the escape of hot powder gas towards the shooter, e.g. through gaps between the mouth end and the sleeve.
  • the pressure relief openings are arranged, for example, between the end of the extension and the inner projection.
  • FIG. 1 shows a device according to the invention with an attached silencer in a perspective view obliquely from behind;
  • Fig. 2 shows the device of Figure 1 in an Explosionsdar position from the side.
  • Fig. 4 shows the device of Fig. 1 in a perspective longitudinal section from obliquely behind
  • a locking element of the device of FIG. 1 each in an axial view from the front (FIG. 5a) and rear (FIG. 5c) or in a perspective view from obliquely in front (FIG. 5b) and obliquely in rear ( Fig. 5d).
  • FIG. 1 to 4 show a device 1 for mounting egg NES implement (in the example of FIG. 1: a silencer) 2 at the mouth end 3 of the barrel 4 of a (not shown) firearm.
  • the device 1 comprises a sleeve 5 which is pushed onto the muzzle end 3 for mounting the attachment 2 along an axis A (the "barrel core axis" of the barrel 4 of the firearm), an annular space being formed between the muzzle end 3 and the sleeve 5.
  • the device 1 comprises an essentially hoof-shaped locking element 6 (FIGS. 5a-5d), which is then inserted into an axially normal opening 7 of the sleeve 5 provided therefor and radially displaced into its closed position (FIGS. 1, 3a, 3b).
  • the locking element 6 has on the two legs 8 (Fig. 5a) of his horseshoe inward directed ribs 9, which engage in the closed position in two mutually diametrically opposite recesses 10 on the outer circumference of the mouth end 3 and thereby prevent an axial displacement of the sleeve 5 at the mouth end 3.
  • the device 1 comprises a mounting piece 11 with a substantially tubular extension 12.
  • the extension 12 of the mounting piece 11 is subsequently inserted into the annular space between the mouth end 3 and sleeve 5 and screwed to the sleeve 5 (FIG. 3a).
  • an external thread 13 and in the sleeve 5 a complementary réellege thread 14 is provided on the extension 12; Male and female threads 13, 14 are optional self-locking.
  • the device 1 is thus in its assembly position, in which the sleeve 5 is pushed onto the mouth end 3, the locking element 6 in its closed position and the extension 12 is screwed completely to the sleeve 5.
  • end portions 15 of the legs 8 of the locking element 6 engage under one end 16 of the extension 12 (FIG. 1), so that the end 16 of the extension 12 fixes the locking element 6 in its closed position.
  • the mounting piece 11 is either permanently connected or can be connected thereto, for example screwed, as will be explained in more detail below with reference to FIG. 1.
  • the attachment 2 is mounted in this way in an axial extension of the barrel 4 at the muzzle end 3 of the firearm.
  • the screwing of the extension 12 on the sleeve 5 is first loosened at least to such an extent that the end 16 of the extension 12 releases the end sections 15 of the legs 8 of the locking element 6.
  • the locking element 6 can then be moved radially into its open position, in which the ribs 9 are free from the recesses 10.
  • Fig. 4 illustrates the partially assembled state of the device 1 achieved before.
  • the device 1 can then be mounted without further decomposition in this partially assembled state on the same or one at the other end of the mouth 3 by reversing the order of the dismantling steps described.
  • the end 16 of the extension 12 tapers conically in the direction of the locking element 6. Furthermore, the side of the locking element 6 facing the extension 12 is complementary thereto, i.e. the horseshoe of the locking element 6 is also conical on this side (Fig. 5a and Fig. 5b).
  • the end 16 of the extension 12 is stepped, that is, it has a smaller outer diameter than the rest of the extension 12. How is the extension 12 facing the side of the locking element 6 complementary, ie on his A stepped shoulder 17 is formed on this side of the horseshoe. It is understood that other combinations of shapes of extension end 16 and this side facing the locking element 6 are possible if reaching under the end 16 of the extension 12 from the end portions 15 of the horseshoe leg 8 of the locking element 6 in the assembly position of the device 1 is ensured. For example, a conical end 16 of the extension 12 can be combined with a step-shaped side of the locking element 6 and vice versa, or the end 16 of the extension 12 runs out unchanged tubular.
  • the muzzle end 3 is either the muzzle-side end of the barrel 4 of the firearm or a muzzle-mounted fire damper or compensator, a muzzle brake attached to it, or the like.
  • the diametrical recesses 10 e.g. be designed as a circumferential groove; optionally the ribs 9 of the locking element 6 are complementary thereto, e.g. by the ribs 9 form a closed rib arch (Fig. 5b) which engages in the groove.
  • the muzzle end 3 is an “A2” muzzle fire damper according to NATO standard. In the weft direction, this has at least one (here: two diametrical) holes in front of the diametrical recesses (here: in front of the first of two circumferential grooves) adjoining lateral flattening (s) 18.
  • one or each of the two legs 8 of the locking element 6 optionally has on one side of the rib 9 (here: on the extension 12). facing side of the rib 9) an inwardly projecting web 19 for abutment against the lateral flattening (s) 18.
  • the webs 19 prevent the device 1 from rotating in the assembled position of the device 1 in cooperation with the lateral flattenings 18 about the axis A. .
  • the sleeve 5 has at its end facing away from the mounting piece 3 optionally a - radially inward - inner projection 20.
  • the inner projection 20 which is largely circumferential in the example shown, alternatively, however, completely circumferential, segmented or at all only as single ner tooth can be formed, the sleeve 5 is supported on the outer circumference of the mouth end 3 additionally.
  • the mecanicvor jump 20 can, if desired, be equipped with one or more springs the pressure pieces 21.
  • the extension 12 also optionally has at least one (here: two) inner projections 22, 23 for supporting the extension 12 on the outer circumference of the mouth end 3.
  • the inner projections 22, 23 are circulating here, but could alternatively also be segmented etc.
  • the extension 12 also has in an axial section 24, which in this example lies between the two inner projections 22, 23, a recess 25 which rotates on its inner circumference and thereby in the assembly position of the device 1 on the mouth end 3 Forms a cavity between the extension 12 and the mouth end 3.
  • This cavity helps, for example, under high pressure from the mouth end 3 from any radial openings 26 to take up emerging gas.
  • the sleeve 5 for example between the inner projection 20 and the screwed end 16 of the extension 12, at least ei ne, in the examples of FIGS. 1 and 2, two or more pressure relief openings distributed over the circumference of the sleeve 5 27 (Fig. 1, 2, 3a).
  • the mounting piece 11 can, if desired, have a stop surface 28 with which the mounting piece 11 forms an axial stop for the mouth end 3 in the mounting position.
  • the stop surface 28 can be normal to the axis A, for example, or with this an angle of e.g. Include 45 degrees, i.e. be designed as a lateral surface of a truncated cone.
  • the locking element 6 has at least one (here: two) handles 29 projecting from the horseshoe.
  • the handles 29 protrude in the closed position of the locking element 6 over the outer circumference of the sleeve
  • the groove 6 optionally a groove 30.
  • the groove 30 faces away from the mounting piece 11 when the locking element 6 is inserted into the radial opening 7 of the sleeve 5.
  • at least the lower end wall 33 of the groove 30 shown in FIGS. 5c and 5d forms a shoulder of the locking element 6, with which the locking element 6 in its open position strikes the end 31 of the screw 32 forming a stop.
  • shoulder of the locking element 6 and / or the stop of the sleeve 5 can alternatively be formed by elements other than the groove 30 with the end wall 33 or the screw 32, for example a stop could be in the sleeve 5 or even in the screw 32 (optionally resilient) mounted pin 34 may be provided.
  • the groove 30 also has depressions (for example blind holes) 35, 36 in its bottom. With these recesses 35, 36 the spring-loaded pin 34 of the screw 32 cooperates, so that the locking element 6 at least in its open position relative to the sleeve 5 speed, ie detachable, locked.
  • the locking element 6 is also locked in its closed position due to the second recess 36; the groove 30 is at the same time a guide groove between the open and the closed position of the locking element 6, in which the screw 32 or the pin 34 is guided.
  • Said locking can alternatively also be generated by other locking elements and spring elements designed and interacting on one of the two parts locking element 6 and sleeve 5, as is known to the person skilled in the art.
  • the locking element 6 has not only a groove 30, but in each of its legs 8 a groove 30, 37, which guide grooves for each a pin (or a screw) 32 , 34, 38 (Fig. 1).
  • the pins (or screws) 32, 34, 38 are arranged approximately parallel to the axis A on the inner projection 20 of the sleeve 5 or enforce this and can be, for example, Ge threaded pins, spring pins or resilient ball thrust pieces.
  • the attachment 2 is either permanently connected to the mounting piece 11, so that the mounting piece 11 is part of the attachment 2, or it can be connected to the mounting piece 11, e.g. screwed to a thread 39 of the mounting piece 11, with a bayonet lock or in other known manner in the art technology on the mounting piece 11 releasably anchored.
  • Is on run 4 e.g. if a muzzle fire damper is anchored as the muzzle end 3, this can e.g. screwed over a thread 40 formed on the barrel 4 and secured with a lock nut 41.
  • the mouth end 3 di be formed right on barrel 4.
  • the optional thread 39 of the mounting piece 11, the external and internal threads 13, 14 on the extension 8 or sleeve 5 and the optional thread 40 on the barrel 4 are all alike, so that every torque about the axis A for everyone Threads 39, 13, 14, 40 either have an opening or a closing effect.
  • the attachment e.g. the silencer
  • the threads 39, 13, 14 and 40 can be adjusted in their direction of rotation so that the torque of the attachment 2 acts in their closing direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

La présente invention concerne un dispositif (1) pour le montage d'un accessoire (2) à l'extrémité d'embouchure (3) d'une arme à feu, lequel a sur sa circonférence extérieure au moins deux évidements diamétraux (10), comprenant une douille (5) ayant une ouverture (7) axialement normale et pouvant être glissée sur l'extrémité d'embouchure (3), une pièce de montage (11) pouvant être connectée à l'accessoire (2) comprenant un prolongement (12) tubulaire, lequel peut être introduit dans un espace annulaire entre l'extrémité d'embouchure (3) et la douille (5) et peut être vissé à la douille (5), ainsi qu'un élément de verrouillage (6), lequel peut être déplacé radialement dans l'ouverture (7) de la douille (5) entre une position de fermeture, dans laquelle ses deux branches (8) comprenant chacune une nervure (9) orientée vers l'intérieur entrent en prise avec un des évidements (10), et une position d'ouverture libérée des évidements (10), le prolongement (12) introduit dans l'espace annulaire étant, dans la position de fermeture de l'élément de verrouillage (6), mis en prise en dessous par les parties d'extrémité (15) des branches (8).
PCT/AT2019/060304 2018-10-16 2019-09-16 Dispositif de montage pour une arme à feu WO2020077373A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112021005664-5A BR112021005664A2 (pt) 2018-10-16 2019-09-16 dispositivo para montar um acessório na extremidade de cano de uma arma de fogo
US17/284,078 US20210333062A1 (en) 2018-10-16 2019-09-16 Mounting device for a firearm
EP19773334.8A EP3867590B1 (fr) 2018-10-16 2019-09-16 Dispositif de montage pour une arme à feu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT601782018 2018-10-16
ATA60178/2018 2018-10-16

Publications (1)

Publication Number Publication Date
WO2020077373A1 true WO2020077373A1 (fr) 2020-04-23

Family

ID=68051560

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2019/060304 WO2020077373A1 (fr) 2018-10-16 2019-09-16 Dispositif de montage pour une arme à feu

Country Status (4)

Country Link
US (1) US20210333062A1 (fr)
EP (1) EP3867590B1 (fr)
BR (1) BR112021005664A2 (fr)
WO (1) WO2020077373A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5685102A (en) * 1995-11-20 1997-11-11 Gsl Technology, Inc. Snap-on firearm adapter
US5773746A (en) * 1997-01-24 1998-06-30 Vaden; Philip D. Coupler for attaching a suppressor to a firearm flash hider
WO2001009560A1 (fr) * 1999-07-30 2001-02-08 Heckler & Koch Gmbh Element pour fixer un silencieux sur le canon d'une arme a feu de poing
WO2001051873A1 (fr) * 2000-01-14 2001-07-19 Heckler & Koch Gmbh Fixation destinee au montage d'un silencieux sur le canon d'une arme a feu de poing
WO2017125239A1 (fr) * 2016-01-18 2017-07-27 Prime Manufacturing Group Limited (BVI) Dispositif de fixation amovible d'un silencieux et ensemble formant silencieux

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7942090B1 (en) * 2005-01-11 2011-05-17 The United States Of America As Represented By The Secretary Of The Army Enhanced operating life blank fire attachment for gas-operated weapons
US20080098880A1 (en) * 2005-06-30 2008-05-01 Karl Brugger Lock/rotation mounted suppressor
US7677150B2 (en) * 2005-10-28 2010-03-16 Gemini Technologies, Inc. Mounting system for muzzle devices and firearms
US7735406B1 (en) * 2007-11-29 2010-06-15 Wilsons Gun Shop, Inc Latch for suppressor
US8296989B1 (en) * 2010-02-04 2012-10-30 The United States Of America As Represented By The Secretary Of The Army Adapter extension for rifle fired muzzle mounted grenades
US8291805B1 (en) * 2010-03-10 2012-10-23 Quilligan Jay J Quick-attach locking device for a flash hider
US8555765B2 (en) * 2010-12-16 2013-10-15 Silencerco, Llc Systems methods and devices for attaching a suppressor to a firearm
US10156411B2 (en) * 2017-04-06 2018-12-18 Daniel Defense, Inc. Systems and methods for coupling suppressors or other muzzle end barrel devices to firearms

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5685102A (en) * 1995-11-20 1997-11-11 Gsl Technology, Inc. Snap-on firearm adapter
US5773746A (en) * 1997-01-24 1998-06-30 Vaden; Philip D. Coupler for attaching a suppressor to a firearm flash hider
WO2001009560A1 (fr) * 1999-07-30 2001-02-08 Heckler & Koch Gmbh Element pour fixer un silencieux sur le canon d'une arme a feu de poing
WO2001051873A1 (fr) * 2000-01-14 2001-07-19 Heckler & Koch Gmbh Fixation destinee au montage d'un silencieux sur le canon d'une arme a feu de poing
WO2017125239A1 (fr) * 2016-01-18 2017-07-27 Prime Manufacturing Group Limited (BVI) Dispositif de fixation amovible d'un silencieux et ensemble formant silencieux

Also Published As

Publication number Publication date
US20210333062A1 (en) 2021-10-28
EP3867590A1 (fr) 2021-08-25
BR112021005664A2 (pt) 2021-06-22
EP3867590B1 (fr) 2023-01-18

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