EP2149024B1 - Dispositif et procédé de fixation d'un frein de bouche sur le tube d'une arme - Google Patents

Dispositif et procédé de fixation d'un frein de bouche sur le tube d'une arme Download PDF

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Publication number
EP2149024B1
EP2149024B1 EP08749416A EP08749416A EP2149024B1 EP 2149024 B1 EP2149024 B1 EP 2149024B1 EP 08749416 A EP08749416 A EP 08749416A EP 08749416 A EP08749416 A EP 08749416A EP 2149024 B1 EP2149024 B1 EP 2149024B1
Authority
EP
European Patent Office
Prior art keywords
locking
muzzle brake
weapon barrel
barrel
spring
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP08749416A
Other languages
German (de)
English (en)
Other versions
EP2149024A1 (fr
Inventor
Klaus-Peter Eggert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition 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 Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP2149024A1 publication Critical patent/EP2149024A1/fr
Application granted granted Critical
Publication of EP2149024B1 publication Critical patent/EP2149024B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F41A21/36—Muzzle attachments or glands for recoil reduction ; Stabilisators; Compensators, e.g. for muzzle climb prevention

Definitions

  • Conventional muzzle brakes can be attached by a thread, a clamping device or by a kind of quick attachment to the gun barrel.
  • a device for mounting a muzzle brake on a pipe of a weapon by means of a threaded connection is from the DE 600 12 269 T2 ( EP 1 055 899 B1 ) known.
  • the stopping means is constituted by at least one pressure screw transversely disposed between the muzzle brake and the tube and supported on a flattening machined in the depth of the tube.
  • Other threaded connections are also known from the prior art CH 240 479 A5 or US 4,545,285 A known.
  • the brake comprises two cylindrical surfaces which are arranged on either side of the thread and is held in place by means of a lock nut.
  • a tensioning device uses the DE 40 25 546 C2 , This is attached to the rear end of the muzzle brake and connects the muzzle brake with the gun barrel.
  • the tensioning device exerts a defined force on the rear end of the muzzle brake for sealing on the front side of the gun barrel mouth end.
  • a quick release device which has at least one, preferably two levers with legs on the muzzle brake, through which the muzzle brake is held in a defined area on the barrel.
  • the invention has the object to show a further simple attachment of a muzzle brake on a gun barrel, which is also relatively easy.
  • the invention is based on the idea to attach the muzzle brake preferably by means of a thread profile in a known manner on the end of the gun barrel.
  • the thread profile has thread-free areas on the barrel and in the muzzle brake, so that it can be easily placed on the gun barrel.
  • the locking of the muzzle brake on the end of the gun barrel is then carried out by a locking device as part of the attachment. This is followed by the thread profile on the gun barrel another thread, which serves to receive the locking device.
  • This locking device consists of at least two springs and at least one so-called locking nut and preferably two so-called locking stones.
  • the at the gun barrel in the region of the thread for the locking device integrated and preferably designed as feather keys locking blocks carry the at least one locking nut and the other springs, wherein the locking nut in turn is arranged or clamped between the at least two springs.
  • This muzzle brake locking device is attached end to the muzzle brake and around the gun barrel.
  • the task of a springs is to press back against the muzzle brake and the front against the locking nut to push the task of the other spring in turn to the back of the locking nut and the front of the nose on the locking blocks or to grab a game between prevent the first spring and the locking stones.
  • the first spring may be a wave spring, the other a spring washer.
  • the locking blocks also serve to align the springs with the brake and lock nut so that the front spring is brought into contact with the brake forward and thus the thread profile of the muzzle brake.
  • the advantage is that the spring in this embodiment is already brought into abutment, where known additional loads occur. This causes a backlash-free load, since the first spring is already in abutment as in the shot load.
  • the locking blocks have notches or recesses (a profile) on their side facing the weapon barrel side or surface for the defined recording of the springs and the locking nut.
  • so-called locking recesses i.e., notches are mounted in the face of the brake. This is used to bring the first spring defined at this point in terms of area to concern the brake.
  • a further locking recess is provided on the end face of the locking nut. This increases the locking capacity of the first spring on the locking nut and definitely prevents loosening of the locking nut.
  • the known muzzle brakes are usually made of the same material as the gun barrel, this is often a special steel, and thus have the same thermal behavior, the same expansion properties, etc. as the gun barrel.
  • the programming of the ammunition required for programming magnetic coils or the like in the muzzle brakes are integrated ( CH 691 143 A5 ; CH 693 248 A5 ).
  • the disadvantage here is that the measurement within the muzzle brake is influenced by the magnetic material of the muzzle brake disturbing, which also affects the programming.
  • the material of the muzzle brake can then be, for example, titanium, which is also lighter than the known gun steel.
  • an end 1 of a gun barrel 2 is characterized, which circumferentially has a thread profile 3, preferably divided into two threaded sections 3.1 and two recesses 3.2.
  • these equal-sized threaded sections 3.1 and 3.2 equal-sized recess sections represent only a preferred embodiment.
  • the end of the gun barrel 1 2 two elongated groove 4 on. These grooves 4 are preferably incorporated in the tube 2. In the same area is also a thread. 5
  • Fig. 2 is a muzzle brake 6 with a thread profile 7, also divided into threaded sections 7.1 and Aussparrungen 7.2, as a counterpart to the thread profile 3 on the gun barrel 2, shown.
  • the muzzle brake 6 has at its end preferably two recessed guides or semicircular recesses 8, 9, which are preferably of different depths and serve, in particular, for only a specific or defined engagement of the muzzle brake 6 on the weapon barrel 2 is possible.
  • 10 11 two feather keys of the locking device 12 are marked.
  • the feather keys 10, 11 according to the preferred embodiment have different lengths and have lying inside a profile 10.1, 11.1.
  • the muzzle brake 6 has end-incorporated locking recesses 13. Several troughs 13 cause a finer detent.
  • Fig. 3 shows the muzzle brake 6 with other parts of the locking device 12.
  • 11.1 here are a first spring 14, a threaded ring 15 as a locking nut and a second spring 16.
  • Die The other spring 16 in this case a spring washer, in turn, engages the rear side of the threaded ring 15 and the nose 10.2, 11.2 of the feather keys 10 on the front side , 11 to prevent backlash between the wave spring 14 and the keys 10, 11.
  • a further trough 17 is also provided on the front side on the threaded ring 15, whereby an increase of the detent of the wave spring 14 is realized.
  • Fig. 4 shows the interaction of the modules already described.
  • the spring washer 16, the threaded ring 15 and the wave spring 14 are integrated into the inner profile of the feather keys 10, 11 according to their geometries and pushed as locking device 12 on the end 1 of the gun barrel 2 to the rear thread 5 and placed.
  • the feather keys 10, 11 lie in the two grooves 4 in the barrel 2 while maintaining a displacement for the feather keys 10, 11 within the groove 4.
  • the threaded ring 15 is rotated along the thread 5, as long as the feather keys 10, 11 that Have reached the end of the groove 4. In this case, the shorter key 11 closes with the thread beginning, so that this feather 11 disappears behind the plane contact surface of the muzzle brake 6.
  • the muzzle brake 6 is attached to the gun barrel 2, wherein the Aussparrungen 6.2 of the muzzle brake 6 are guided over the recesses 3.2 of the gun barrel 2. Due to the presence of the longer key 10, which does not terminate with the plane contact surface of the muzzle brake 6, and the two different deep guides 8, 9, the muzzle brake 6 can be placed only in one direction on the gun barrel 2. Thereafter, the muzzle brake 6 is rotated along the guides 8, 9 until it stops. In these areas, the guides 8, 9 each have an unspecified depression. In this now by turning back the threaded ring 15, the feather keys 10, 11 moved, the muzzle brake 6 locked. Thereafter, the wave spring 14 is in the wells 13 of the muzzle brake 6. With a special key or the like, the wave spring 14 is then biased by a certain number of notches on the threaded ring 15.
  • Fig. 5 shows the complete muzzle brake 6 with locking device 12 in a plan view.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Toys (AREA)
  • Braking Arrangements (AREA)

Claims (12)

  1. Dispositif de fixation, notamment d'un frein de bouche (6) sur l'extrémité (1) d'un tube d'arme (2) au moyen d'une connexion filetée, caractérisé en ce que :
    - pour le verrouillage du frein de bouche (6) sur le tube d'arme (2), on prévoit un dispositif de verrouillage (12),
    - qui se compose d'au moins deux ressorts (14, 16), d'au moins un écrou de verrouillage (15) et d'au moins deux coulisseaux de verrouillage (10, 11),
    - les coulisseaux de verrouillage (10, 11) étant incorporés dans des rainures correspondantes (4) sur le tube d'arme (2) de manière déplaçable longitudinalement par rapport au tube d'arme (2),
    - les coulisseaux de verrouillage (10, 11) portant les au moins deux ressorts (14, 16) ainsi que l'au moins un écrou de verrouillage (15),
    - sur le tube d'arme (2), dans la région des rainures (4), étant incorporé un filetage (5), dans lequel s'engage le filetage de l'écrou de verrouillage (15), pour la fixation du dispositif de verrouillage (12), et
    - le frein de bouche (6) dispose de renfoncements incorporés du côté frontal dans sa région d'extrémité ou de butée, dans lesquels les coulisseaux de verrouillage (10, 11) peuvent s'engager pour bloquer le frein de bouche (6) sur le tube d'arme (2).
  2. Dispositif selon la revendication 1, caractérisé en ce que la connexion filetée est un profilé fileté (3, 7).
  3. Dispositif selon la revendication 2, caractérisé en ce que le profilé fileté (3) sur le tube d'arme (2) et le profilé fileté (7) dans le frein de bouche (6) sont à chaque fois divisés en deux portions filetées (3.1, 7.1) et deux évidements (3.2, 7.2).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les coulisseaux de verrouillage (10, 11) ont des longueurs différentes.
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que du côté frontal dans le frein de bouche (6) sont incorporés des guides (8, 9) allant jusqu'aux renfoncements sur les butées d'extrémité, qui ont des profondeurs différentes.
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le frein de bouche (6) présente des creux de verrouillage (13) façonnés du côté frontal.
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'un creux supplémentaire (17) est prévu du côté frontal également sur l'écrou de verrouillage (15).
  8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le premier ressort (14) est un ressort ondulé et le deuxième ressort (16) est une rondelle élastique.
  9. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les coulisseaux de verrouillage (10, 11) sont des ressorts d'ajustement avec un profilé interne (10.1, 11.1) pour recevoir fixement les ressorts (14, 16) et l'écrou de verrouillage (15), qui peut être une bague filetée.
  10. Procédé de fixation, notamment d'un frein de bouche (6) sur l'extrémité (1) d'un tube d'arme (2) au moyen d'une connexion filetée, comprenant les étapes suivantes :
    - au moins un ressort (16), un écrou de verrouillage (15) et au moins un ressort supplémentaire (14) sont incorporés dans un profilé interne (10.1, 11.1) d'au moins deux coulisseaux de verrouillage (10, 11) et sont placés à l'extrémité (1) du tube d'arme (2) jusqu'à un filetage supplémentaire arrière (5) sur le tube d'arme (2),
    - les coulisseaux de verrouillage (10, 11) sont insérés dans des rainures correspondantes (4) qui sont incorporées dans le filetage (5) sur ou dans le tube d'arme (2), en conservant une course de déplacement à l'intérieur des rainures (4),
    - ensuite les écrous de verrouillage (15) sont vissés le long du filetage (5) jusqu'à ce que les coulisseaux de verrouillage (10, 11) atteignent l'extrémité des rainures (4), et que le frein de bouche (6) soit enfiché sur le tube d'arme (2),
    - le frein de bouche (6) est vissé sur le tube d'arme (2) jusqu'à une butée,
    - de sorte que les coulisseaux de verrouillage (10, 11) puissent s'engager dans des renfoncements du côté frontal du frein de bouche (6), quand ceux-ci ont été déplacés par rotation en arrière de l'écrou de verrouillage (15) dans la direction du frein de bouche (6), le frein de bouche (6) étant de ce fait bloqué.
  11. Procédé selon la revendication 10, caractérisé en ce que le frein de bouche (6) et le tube d'arme (2), lorsqu'ils disposent de profilés filetés (3, 7) avec des portions filetées (3.1, 7.1) et des évidements (3.2, 7.2), sont enfichés l'un sur l'autre par le biais des évidements (3.2, 7.2) et ne peuvent être connectés l'un à l'autre que par un léger mouvement de rotation.
  12. Procédé selon la revendication 10 ou 11, caractérisé en ce que le ressort (14) est précontraint d'un certain nombre de crans sur l'écrou de verrouillage (15).
EP08749416A 2007-05-24 2008-05-09 Dispositif et procédé de fixation d'un frein de bouche sur le tube d'une arme Active EP2149024B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007024515A DE102007024515A1 (de) 2007-05-24 2007-05-24 Vorrichtung und Verfahren zur Befestigung einer Mündungsbremse an einem Waffenrohr
PCT/EP2008/003739 WO2008141736A1 (fr) 2007-05-24 2008-05-09 Dispositif et procédé de fixation d'un frein de bouche sur le tube d'une arme

Publications (2)

Publication Number Publication Date
EP2149024A1 EP2149024A1 (fr) 2010-02-03
EP2149024B1 true EP2149024B1 (fr) 2010-10-27

Family

ID=39731496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08749416A Active EP2149024B1 (fr) 2007-05-24 2008-05-09 Dispositif et procédé de fixation d'un frein de bouche sur le tube d'une arme

Country Status (4)

Country Link
EP (1) EP2149024B1 (fr)
AT (1) ATE486262T1 (fr)
DE (2) DE102007024515A1 (fr)
WO (1) WO2008141736A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10508878B1 (en) * 2017-02-22 2019-12-17 Paul A. Oglesby Blast shield attachment system
US20210404760A1 (en) * 2020-06-02 2021-12-30 Aaron Hipp Adjustable tuning device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852983A (en) * 1952-12-10 1958-09-23 Paul M Netzer Muzzle brake
US2809560A (en) * 1953-12-15 1957-10-15 Herman A Matson Muzzle brake
US4545285A (en) 1982-06-15 1985-10-08 Mclain Clifford E Matched expansion muzzle brake
DE4025546C2 (de) 1990-08-11 2002-03-14 Rheinmetall W & M Gmbh Mündungsbremse für eine großkalibrige Rohrwaffe
FR2729464A1 (fr) 1995-01-18 1996-07-19 Giat Ind Sa Frein de bouche pour canons de moyen ou de gros calibre
CH691143A5 (de) 1995-03-17 2001-04-30 Contraves Ag Vorrichtung zur Messung der Geschossgeschwindigkeit an der Mündung eines Waffenrohres eines Geschützes hoher Kadenz.
CH693248A5 (de) 1998-09-25 2003-04-30 Contraves Ag Vorrichtung zur Messung der Geschwindigkeit vonProjektilen.
FR2794229B1 (fr) 1999-05-27 2002-05-17 Giat Ind Sa Dispositif de fixation d'un frein de bouche sur le tube d'une arme
DE102005031947A1 (de) 2005-07-08 2007-01-11 Rheinmetall Waffe Munition Gmbh Vorrichtung zur Befestigung eines auf bzw. an einem Körper zu befestigenden Teils

Also Published As

Publication number Publication date
DE102007024515A1 (de) 2008-11-27
EP2149024A1 (fr) 2010-02-03
WO2008141736A1 (fr) 2008-11-27
ATE486262T1 (de) 2010-11-15
DE502008001663D1 (de) 2010-12-09

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