EP1686345B1 - Device for a defined extraction of an empty casing or a cartridge from a cartridge chamber. - Google Patents

Device for a defined extraction of an empty casing or a cartridge from a cartridge chamber. Download PDF

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Publication number
EP1686345B1
EP1686345B1 EP05024767A EP05024767A EP1686345B1 EP 1686345 B1 EP1686345 B1 EP 1686345B1 EP 05024767 A EP05024767 A EP 05024767A EP 05024767 A EP05024767 A EP 05024767A EP 1686345 B1 EP1686345 B1 EP 1686345B1
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EP
European Patent Office
Prior art keywords
case
cartridge
sleeve
groove
cartridge chamber
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.)
Not-in-force
Application number
EP05024767A
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German (de)
French (fr)
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EP1686345A1 (en
Inventor
Roland Bertiller
Hubert Schneider
Gert Dieterle
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Rheinmetall Waffe Munition GmbH
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Rheinmetall Waffe Munition GmbH
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Publication of EP1686345A1 publication Critical patent/EP1686345A1/en
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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
    • F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/54—Cartridge guides, stops or positioners, e.g. for cartridge extraction
    • 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
    • F41A15/00—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun
    • F41A15/04—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun specially adapted for cartridge cases being deformed when fired, e.g. of plastics
    • 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
    • F41A21/16—Barrels or gun tubes characterised by the shape of the bore

Definitions

  • the eyelid is known to be strongly influenced by the gas pressure of the cartridge, the cartridge bearing condition, such as friction, lubrication, contamination and corrosion, of the sleeve condition, such as the hardness of the sleeve, the coating of the sleeve or the tolerance field.
  • Other influencing factors are the state of the ejector mechanism and the pollution caused by muzzle brakes.
  • the CH 581 305 relates to a device for extracting a cartridge case of a handgun or a gun with a closure block, which is provided with a threaded portion for fixing in the stop position.
  • the closure piece is with a cup-shaped Sealing sleeve provided which is rotatably attached to the closure block by a retaining means.
  • the sealing sleeve is a rear support for the cartridge case and acts as a sealing part between the closure block and the gun barrel and the barrel.
  • On the inside of the cylindrical part of the sealing sleeve a circumferentially arranged groove is introduced. In this material recess, the cartridge case is deformed during the shot, so that the groove is filled with material from the cartridge case.
  • the invention has the object to provide a way for a defined ejection, to prevent it comes to a sleeve jam, etc.
  • the idea of the invention is based on the idea that the enumerated influencing variables for the manufacturing and also the technical nature of the casting are more or less unchangeable, and that they are designed to design a chamber with a defined sleeve pull-out resistance. This is created by a minimum displacement, which is integrated in the chamber. During the ejection process, the relaxation energy is used and converted accordingly when releasing the sleeve in a speed. It is built a minimum voltage, which has the consequence that a bias voltage is secured, so that no speed reduction of the sleeves occur.
  • the cartridge chamber in the front region of a sleeve of a cartridge.
  • one groove is sufficient, with more than one possible.
  • the single groove can be introduced over the entire inner circumference (i.e., all around) of the housing of the cartridge chamber or only in certain sections of the inner circumference. The latter is useful, inter alia, if more than one groove is provided.
  • Fig. 1 is a cartridge chamber 6 and parts thereof shown in a sectional view.
  • a defined groove 5 is introduced in the cartridge chamber 6.
  • the position and the shape of the groove 5 in the cartridge chamber 6 is based on the geometry and nature of a cartridge 3 or its sleeve 2 (not shown here) Fig. 2 ) Voted. 1, the bearing housing of the cartridge chamber 6 is marked.
  • Fig. 1 a shows an enlarged section A of Fig. 1 for clear representation of the groove 5.
  • Fig. 2 the cartridge chamber 6 is shown with the indicated here cartridge 3 with sleeve 2.
  • an ejector 8 here an extractor, by means of which the sleeve 2 is transported from the cartridge chamber 6.
  • Fig. 2a shows an enlarged section A 'of Fig. 2 which in principle works with the geometric cutout A Fig. 1 is identical.
  • the gas pressure in the cartridge case 2 deforms it on the housing 4 in such a way that it engages in the groove 5 by permanent deformations 7.
  • the extractor 8 When attaching the extractor 8, ie, when pulling out of the sleeve 2, the extractor 8 must apply so much force or tension that deformed in the grooves 5 housing 4 of the sleeve 2 via the deformation path X from the groove 5 and the chamber 6 is pulled out. This build-up of tension guarantees a higher, predefinable voltage level with a significantly reduced bandwidth.
  • Fig. 3 the principle of the sleeve return is shown, with only the parts essential to the invention have been identified.
  • 10 with a here shown excerpt conveyor is marked, which transported in this representation pods 2 of the lost ammunition 3 (not visible here).
  • the sleeves 2 are moved by an arms-side extractor 8 in an ejection position 23 (FIG. Fig. 4 ) are transferred to a discharge tube marked 12.
  • This ejection tube 12 is preferably in the housing of a Munitionszu réelles 13, which is usually part of a weapon, not shown, involved.
  • this ejector tube 12 in functional harmony, there is a 14 designated sleeve damper, which dampens the ejected at very high speed sleeves 2.
  • the sleeve damper 14 For trouble-free operation of the sleeve damper 14 is brought after each shot in its original position. If the sleeve damper 14 is a spring damping system, this can here positively controlled by its own spring force in the starting position are performed. This forced control is also possible via a cam wheel with control cam (not shown in detail), which can be integrated in the gearbox 15 of the ammunition feeder 13 itself.
  • Fig. 4 shows in a view the interaction ammunition transport and sleeve removal.
  • the ammunition chain 10 'conveys cartridges 3 from a non-illustrated ammunition container into the ammunition feeder 13 of the weapon.
  • the cartridges or ammunition 3 is held in the chain links 18 and guided in the region of the sprocket 19 of the conveyor 10.
  • the cartridge 3 is then transferred in the area of the sprocket 19 to a gun-side rotor 20 of the ammunition feeder 13 and in this position by the rotor 20 to a weapon-side feed star 21.
  • This feed star 21 has here due to the number of drums five notches and associated five positions for the ammunition 3. Further positions are the actual firing position 22 and the ejection position 23 of the sleeve 2.
  • this ejection position 23 in functionality is, as already described, the ejection tube 12, which guides the sleeves 2 in a sleeve-catching position 24 along a sleeve lead 25.
  • a sensor 26 is used inter alia for functional testing.
  • the sleeve damper 14 here a spring system, springs in and reduces the collection energy of the sleeve 2.
  • the stroke of the sleeve damper 14 is designed so that the sleeve 2 are caught by the sleeve catch springs 28 on the withdrawal edge 27 of the sleeve 2.
  • the sleeve 2 is thereby defined in the ammunition chain 10 '.
  • the next shot the system is rotated further and the sleeve 2 is returned via the ammunition chain 10 'in the ammunition container.
  • the reset of the sleeve damper 14 is preferably realized in this embodiment by the energy in the own springs. The same procedure also applies to a failure failure.
  • the weapon with the ammunition feeder 7 makes up to approx. 40 mm return and forward movements, the weapon is mounted in a returning system (not shown in detail) in a damped manner. Since the ammunition container is usually rigidly mounted, the transfer of the cartridge 3 via a flexible configuration of the conveyor 10 takes place.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Pens And Brushes (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Feeding And Guiding Record Carriers (AREA)

Abstract

The device has an ejector system (8) for transporting a cartridge (3) by firing a released case (2) or cartridge from a cartridge chamber (6). A defined groove (5) is brought into the inside of a housing (1), and the position and the form of the groove are coordinated with geometry and condition of the case (2). The firing of the cartridge places lasting deformations (7) in the groove.

Description

Bei Waffen, welche in erster Linie in Trägern, wie Fahr- und Flugzeugen, eingebaut sind, gibt es oftmals Probleme mit dem Hülsenauswurf. Vor allem dann, wenn die Hülse beim Schießen in schwer zugängliche Auffangbehälter und in genau definierten Positionen geworfen werden sollen. Aufgrund von notwendigen Führungskanälen und Hülsenumlenkungen kann die Hülse auf dem Weg zu ihrer Endposition in ihrer Flugzeit bzw. Fluggeschwindigkeit stark abgebremst werden. Beim Schießen kommt es dann zu Störungen, welche durch die undefinierte Position der Hülsen oder durch ihr Liegenbleiben auf dem Weg zu ihrer Endposition hervorgerufen wird. Es entstehen Hülsenstaus oder aber die Hülsen sind nicht in der richtigen Abführposition im Munitionstransportsystem. Die Auswurfgeschwindigkeit ist stark abhängig vom Liderungscharakter der Patronen bzw. Hülsen nach dem Schuß im Patronenlager.In weapons, which are built primarily in vehicles, such as vehicles and aircraft, there are often problems with the sleeve ejection. Especially when the sleeve should be thrown when shooting in hard-to-reach containers and in well-defined positions. Due to necessary guide channels and sleeve deflections, the sleeve can be braked strongly on the way to their final position in their flight time or flight speed. During shooting, disturbances occur, which are caused by the undefined position of the sleeves or by their lying on the way to their final position. There are sleeve jams or the sleeves are not in the correct discharge position in the ammunition transport system. The ejection speed is highly dependent on the Liderungscharakter the cartridges or sleeves after the shot in the chamber.

Aus der DE 689 05 739 T2 ( EP 0 362 064 B1 ), welche die Grundlage für den Oberbegriff des Anspruches 1 bildet, ist eine Schnellfeuer - Revolverwaffe bekannt, bei dem zum Zurückführen der leeren Patronenhülse ein Auswerfer vorgesehen ist, durch den die Hülse aus dem Revolverkopf geführt und entlang einer Rutsche getrieben wird. Der Auswerfer greift dazu mittels einer Nase an der Bodennut der Hülse an.From the DE 689 05 739 T2 ( EP 0 362 064 B1 ), which forms the basis for the preamble of claim 1, a rapid fire - revolver weapon is known, in which for returning the empty cartridge case an ejector is provided, through which the sleeve is guided out of the turret and driven along a chute. The ejector attacks by means of a nose on the bottom groove of the sleeve.

Die Liderung wird bekanntlich stark beeinflusst vom Gasdruck der Patrone, dem Patronenlagerzustand, wie Reibung, Schmierung, Verschmutzung und Korrosion, von der Hülsenbeschaffenheit, wie beispielsweise die Härte der Hülse, die Beschichtung der Hülse oder aber das Toleranzfeld. Weitere Einflussgrößen sind der Zustand der Auswurfmechanik sowie die Verschmutzung durch Mündungsbremsen.The eyelid is known to be strongly influenced by the gas pressure of the cartridge, the cartridge bearing condition, such as friction, lubrication, contamination and corrosion, of the sleeve condition, such as the hardness of the sleeve, the coating of the sleeve or the tolerance field. Other influencing factors are the state of the ejector mechanism and the pollution caused by muzzle brakes.

Unter den bereits aufgeführten Situationen kann es auch bei der vorgenannten Verwendung eines Auswerfers zu Hülsenauswurfstörungen kommen. Die Hülsen erreichen nicht die so genannte Fangposition im Munitionstransportsystem.In the situations already mentioned, sleeve ejection failures may also occur with the aforementioned use of an ejector. The sleeves do not reach the so-called catch position in the ammunition transport system.

Die CH 581 305 betrifft eine Vorrichtung zum Herausziehen einer Patronenhülse einer Handfeuerwaffe oder eines Geschützes mit einem Verschlussblock, der mit einem Gewindeteil zum Festlegen in der Anschlagstellung versehen ist. Das Verschlussstück ist mit einer schalenförmigen Dichthülse versehen, die drehbar an dem Verschlussblock durch eine Festhalteeinrichtung befestigt ist. Die Dichthülse stellt eine hintere Auflage für die Patronenhülse dar und wirkt als Dichtteil zwischen dem Verschlussblock und dem Gewehrlauf bzw. dem Waffenrohr. Auf der Innenseite des zylindrischen Teils der Dichthülse ist eine auf dem Umfang angeordnete Rille eingebracht. In diese Materialausnehmung wird die Patronenhülse beim Schuss deformiert, so dass die Rille mit Material aus der Patronenhülse aufgefüllt wird. Dadurch wird eine feste Verbindung zwischen Dichthülse und der Patronenhülse erhalten, wodurch es möglich wird, die Patronenhülse herauszuziehen. Umgekehrt wird beim Feuern die Dichthülse gegen die Innenseite des Laufes gedrückt, wodurch eine wirkungsvolle Dichtung gegen den Lauf erhalten wird. Beim Zurückziehen des Verschlussblocks wird die Patronenhülse aus der Kammer zusammen mit der Dichthülse herausgezogen.The CH 581 305 relates to a device for extracting a cartridge case of a handgun or a gun with a closure block, which is provided with a threaded portion for fixing in the stop position. The closure piece is with a cup-shaped Sealing sleeve provided which is rotatably attached to the closure block by a retaining means. The sealing sleeve is a rear support for the cartridge case and acts as a sealing part between the closure block and the gun barrel and the barrel. On the inside of the cylindrical part of the sealing sleeve a circumferentially arranged groove is introduced. In this material recess, the cartridge case is deformed during the shot, so that the groove is filled with material from the cartridge case. Thereby, a firm connection between the sealing sleeve and the cartridge case is obtained, whereby it is possible to pull out the cartridge case. Conversely, when firing the sealing sleeve is pressed against the inside of the barrel, whereby an effective seal against the barrel is obtained. When retracting the closure block, the cartridge case is pulled out of the chamber along with the sealing sleeve.

Hier stellt sich die Erfindung die Aufgabe, eine Möglichkeit für einen definierten Auswurf zu schaffen, um zu verhindern, dass es zu einem Hülsenstau etc. kommt.Here, the invention has the object to provide a way for a defined ejection, to prevent it comes to a sleeve jam, etc.

Der Erfindung liegt die Idee zugrunde, da die aufgezählten Beeinflussungsgrößen für die Liderung fertigungstechnischer als auch schießtechnischer Natur und daher mehr oder weniger unveränderbar sind, ein Patronenlager mit einem definierten Hülsenausziehwiderstand zu konzipieren. Dieser wird durch eine Mindestliderung geschaffen, die im Patronenlager integriert wird. Beim Auswurfvorgang wird die Entspannungsenergie genutzt und diese beim Lösen der Hülse entsprechend in eine Geschwindigkeit umgesetzt. Es wird eine Mindestspannung aufgebaut, was zur Folge hat, dass eine Vorspannung gesichert ist, so dass keine Geschwindigkeitsreduzierungen der Hülsen auftreten.The idea of the invention is based on the idea that the enumerated influencing variables for the manufacturing and also the technical nature of the casting are more or less unchangeable, and that they are designed to design a chamber with a defined sleeve pull-out resistance. This is created by a minimum displacement, which is integrated in the chamber. During the ejection process, the relaxation energy is used and converted accordingly when releasing the sleeve in a speed. It is built a minimum voltage, which has the consequence that a bias voltage is secured, so that no speed reduction of the sleeves occur.

Dazu ist vorgesehen, wenigstens eine Rille in das Patronenlager im vorderen Bereich einer Hülse einer Patrone einzubringen. Die Praxis hat gezeigt, dass eine Rille als ausreichend anzusehen ist, wobei auch mehr als eine möglich sind. Die einzelne Rille kann dabei über den gesamten Innenumfang (d.h., rundum) des Gehäuses des Patronenlagers oder aber nur in bestimmten Abschnitten des Innenumfangs eingebracht sein. Letzteres bietet sich unter anderem dann an, wenn mehr als eine Rille vorgesehen werden.For this purpose, it is provided to introduce at least one groove into the cartridge chamber in the front region of a sleeve of a cartridge. Practice has shown that one groove is sufficient, with more than one possible. The single groove can be introduced over the entire inner circumference (i.e., all around) of the housing of the cartridge chamber or only in certain sections of the inner circumference. The latter is useful, inter alia, if more than one groove is provided.

Anwendung findet die Lösung u.a. in hochkandenten Waffen mit einem gurtgliedlosen Munitionstransportsystem. Hierbei werden die abgeschossenen bzw. einem Trommelpatronenlager ausgeworfenen Hülsen über einen Puffer gedämpft in einem Kettensystem gefangen, genau positioniert und in eine Munitionsbox transportiert. Durch die definierte Auszugsspannung wird der sonst bekannte Fehler, der bei derartigen Systemen auftritt vermieden. Es wird verhindert, dass die Hülse auf ihrem Weg zur Fangposition abgebremst bzw. nicht mit einer Mindestgeschwindigkeit ausgeworfen wird, da in solchen Fällen das Munitionstransportsystem, über die Waffe gesteuert, beim nachfolgenden Schuss schon weiter dreht, bevor die Hülse ihre Sollposition erreicht hat.Application finds the solution u.a. in high-firearm weapons with a beltless ammunition transport system. Here, the shot down or ejected a drum cartridge bearing sleeves are caught by a buffer damped in a chain system, accurately positioned and transported into a Munitionsbox. The defined pull-out voltage avoids the otherwise known error that occurs in such systems. It is prevented that the sleeve is braked on its way to the catch position or not ejected at a minimum speed, since in such cases, the ammunition transport system, controlled by the weapon, continues to rotate in the subsequent shot before the sleeve has reached its desired position.

Anhand eines Ausführungsbeispiels soll die Lösung näher erläutert werden. Es zeigt:

Fig. 1
ein Patronenlager in Schnittdarstellung ohne Hülse,
Fig. 1 a
eine Ausschnittdarstellung A aus Fig. 1,
Fig. 2
das Patronenlager mit Hülse,
Fig. 2a
die Ausschnittsdarstellung A' aus Fig. 2
Fig. 3
in einer Schnittdarstellung die Rückführung einer Hülse in eine Munitionskette,
Fig. 4
in einer Schnittdarstellung die Munitionsübergabe und die Hülsenübernahme zwischen Munitionskette und Waffentrommel.
Reference to an embodiment, the solution will be explained in more detail. It shows:
Fig. 1
a chamber in a sectional view without sleeve,
Fig. 1 a
a cutout view A from Fig. 1 .
Fig. 2
the chamber with sleeve,
Fig. 2a
the detail view A 'from Fig. 2
Fig. 3
in a sectional view, the return of a sleeve in an ammunition chain,
Fig. 4
in a sectional view the ammunition transfer and the sleeve transfer between ammunition chain and weapon drum.

In Fig. 1 ist ein Patronenlager 6 bzw. Teile davon in einer Schnittdarstellung dargestellt. Im Patronenlager 6 ist eine definierte Rille 5 eingebracht. Die Position und die Form der Rille 5 im Patronenlager 6 ist auf die Geometrie und Beschaffenheit einer hier nicht näher dargestellten Patrone 3 bzw. ihrer Hülse 2 (siehe Fig. 2) abgestimmt. Mit 1 ist das Lagergehäuse des Patronenlagers 6 gekennzeichnet.In Fig. 1 is a cartridge chamber 6 and parts thereof shown in a sectional view. In the cartridge chamber 6, a defined groove 5 is introduced. The position and the shape of the groove 5 in the cartridge chamber 6 is based on the geometry and nature of a cartridge 3 or its sleeve 2 (not shown here) Fig. 2 ) Voted. 1, the bearing housing of the cartridge chamber 6 is marked.

Fig. 1 a zeigt einen vergrößerten Ausschnitt A der Fig. 1 zur deutlichen Darstellung der Rille 5. Fig. 1 a shows an enlarged section A of Fig. 1 for clear representation of the groove 5.

In Fig. 2 ist das Patronenlager 6 mit der hier angedeuteten Patrone 3 mit Hülse 2 dargestellt. An den Boden der Hülse 2 greift ein Auswerfersystem 8, hier ein Auszieher an, mit dessen Hilfe die Hülse 2 aus dem Patronenlager 6 transportiert wird.In Fig. 2 the cartridge chamber 6 is shown with the indicated here cartridge 3 with sleeve 2. At the bottom of the sleeve 2 engages an ejector 8, here an extractor, by means of which the sleeve 2 is transported from the cartridge chamber 6.

Fig. 2a zeigt einen vergrößerten Ausschnitt A' der Fig. 2, der im Prinzip mit dem geometrischen Ausschnitt A aus Fig. 1 identisch ist. Beim Schuß wird durch den Gasdruck in der Patronenhülse 2 diese am Gehäuse 4 so verformt, dass sie sich durch bleibende Verformungen 7 in der Rille 5 anlegt. Beim Ansetzen des Ausziehers 8, d.h., beim Ausziehen der Hülse 2, muss der Auszieher 8 so viel Kraft bzw. Spannung aufwenden, dass das in den Rillen 5 verformte Gehäuse 4 der Hülse 2 über den Verformungsweg X aus der Rille 5 bzw. dem Patronenlager 6 herausgezogen wird. Dieser Spannungsaufbau garantiert ein höheres, vordefinierbares Spannungsniveau mit einer wesentlich verkleinerten Bandbreite. Fig. 2a shows an enlarged section A 'of Fig. 2 which in principle works with the geometric cutout A Fig. 1 is identical. During the shot, the gas pressure in the cartridge case 2 deforms it on the housing 4 in such a way that it engages in the groove 5 by permanent deformations 7. When attaching the extractor 8, ie, when pulling out of the sleeve 2, the extractor 8 must apply so much force or tension that deformed in the grooves 5 housing 4 of the sleeve 2 via the deformation path X from the groove 5 and the chamber 6 is pulled out. This build-up of tension guarantees a higher, predefinable voltage level with a significantly reduced bandwidth.

Es wird ein gezielter Spannungsaufbau zwischen der Hülse 2, dem Patronenlager 6 und einem Auswerfersystem 8 erreicht.There is a targeted stress build-up between the sleeve 2, the cartridge chamber 6 and an ejector system 8 is achieved.

In Fig. 3 ist das Prinzip der Hülsenrückführung dargestellt, wobei nur die erfindungswesentlichen Teile kenntlich gemacht wurden.
Mit 10 ist ein hier auszugsweise dargestellter Conveyor gekennzeichnet, welche in dieser Darstellung Hülsen 2 der verschossenen Munition 3 (hier nicht erkennbar) abtransportiert. Die Hülsen 2 werden durch einen waffenseitigen Auszieher 8 in einer Auswurfposition 23 (Fig. 4) in ein mit 12 gekennzeichneten Auswurfrohr überführt. Dieses Auswurfrohr 12 ist vorzugsweise im Gehäuse eines Munitionszuführers 13, welcher in der Regel Bestandteil einer nicht näher dargestellten Waffe ist, eingebunden. Mit diesem Auswurfrohr 12 in funktionalem Einklang stehend, befindet sich ein mit 14 gekennzeichneter Hülsendämpfer, welcher die mit sehr hoher Geschwindigkeit ausgeworfenen Hülsen 2 abdämpft. Für einen störungsfreien Funktionsablauf wird der Hülsendämpfer 14 nach jedem Schuss in seine Ausgangslage gebracht. Ist der Hülsendämpfer 14 ein Federdämpfungssystem, kann dieser hier zwangsgesteuert durch die eigene Federkraft in die Ausgangslage geführt werden. Diese Zwangssteuerung ist aber auch über ein Nockenrad mit Steuernocken (nicht näher dargestellt) möglich, welches selbst im Getriebe 15 des Munitionszuführers 13 integriert sein kann.In Fig. 3 the principle of the sleeve return is shown, with only the parts essential to the invention have been identified.
10 with a here shown excerpt conveyor is marked, which transported in this representation pods 2 of the lost ammunition 3 (not visible here). The sleeves 2 are moved by an arms-side extractor 8 in an ejection position 23 (FIG. Fig. 4 ) are transferred to a discharge tube marked 12. This ejection tube 12 is preferably in the housing of a Munitionszuführers 13, which is usually part of a weapon, not shown, involved. With this ejector tube 12 in functional harmony, there is a 14 designated sleeve damper, which dampens the ejected at very high speed sleeves 2. For trouble-free operation of the sleeve damper 14 is brought after each shot in its original position. If the sleeve damper 14 is a spring damping system, this can here positively controlled by its own spring force in the starting position are performed. This forced control is also possible via a cam wheel with control cam (not shown in detail), which can be integrated in the gearbox 15 of the ammunition feeder 13 itself.

Fig. 4 zeigt in einer Ansicht das Zusammenspiel Munitionstransport und Hülsenabtransport. Fig. 4 shows in a view the interaction ammunition transport and sleeve removal.

In bekannter Art und Weise treibt das Getriebe 15 mittels der Trommelachse 16 der Waffe über die Conveyorachse 17 die Munitionskette 10' für die Munitionszuführung und Hülsenabführung an.In a known manner drives the transmission 15 by means of the drum axis 16 of the weapon on the Conveyorachse 17, the ammunition chain 10 'for the ammunition supply and sleeve discharge.

Die Munitionskette 10' fördert aus einem nicht näher dargestellten Munitionsbehälter Patronen 3 in den Munitionszuführer 13 der Waffe. Die Patronen bzw. die Munition 3 wird in den Kettengliedern 18 gehalten und in den Bereich des Kettenrades 19 des Conveyors 10 geführt. Die Patrone 3 wird danach im Bereich des Kettenrades 19 einem waffenseitigen Rotor 20 des Munitionszuführers 13 und in dieser Position durch den Rotor 20 einem waffenseitigen Zuführstern 21 übergeben. Dieser Zuführstern 21 weist hier bedingt durch die Trommelanzahl fünf Einkerbungen und damit verbunden fünf Positionen für die Munition 3 auf. Weitere Positionen sind die eigentliche Schussposition 22 und die Auswurfposition 23 der Hülse 2.The ammunition chain 10 'conveys cartridges 3 from a non-illustrated ammunition container into the ammunition feeder 13 of the weapon. The cartridges or ammunition 3 is held in the chain links 18 and guided in the region of the sprocket 19 of the conveyor 10. The cartridge 3 is then transferred in the area of the sprocket 19 to a gun-side rotor 20 of the ammunition feeder 13 and in this position by the rotor 20 to a weapon-side feed star 21. This feed star 21 has here due to the number of drums five notches and associated five positions for the ammunition 3. Further positions are the actual firing position 22 and the ejection position 23 of the sleeve 2.

Mit dieser Auswurfposition 23 in Funktionalität stehend ist, wie bereits beschrieben, das Auswurfrohr 12, das die Hülsen 2 in eine Hülsenfangposition 24 entlang einer Hülsenableitung 25 führt. Ein Sensor 26 dient unter anderem zur Funktionsprüfung.With this ejection position 23 in functionality is, as already described, the ejection tube 12, which guides the sleeves 2 in a sleeve-catching position 24 along a sleeve lead 25. A sensor 26 is used inter alia for functional testing.

Nach Abfeuern der Patrone 3 aus der Schussposition 22 dreht die Trommel der Waffe und die Hülse 2 wird mittels Auszieher 8 aus dem Patronenlager 6 gezogen und ausgeworfen. Die mit hoher Geschwindigkeit ausgeworfene Hülse 2 wird über das Auswurfrohr 12 zu Hülsenfangfedern 28 geleitet. Beim Auftreffen der Hülse 2 auf die Hülsenfangfedern 28 wird der Hülsenpuffer bzw. Hülsendämpfer 14 mit der Hülse 2 beaufschlagt. Der Hülsendämpfer 14, hier ein Federsystem, federt ein und reduziert die Auffangenergie der Hülse 2. Der Hub des Hülsendämpfers 14 ist so ausgelegt, dass die Hülse 2 durch die Hülsenfangfedern 28 am Ausziehrand 27 der Hülse 2 gefangen werden. Die Hülse 2 liegt dadurch definiert in der Munitionskette 10'. Beim nächsten Schuss wird das System weiter gedreht und die Hülse 2 über die Munitionskette 10' in den Munitionsbehälter zurückgeführt. Das Zurückstellen des Hülsendämpfers 14 wird in diesem Ausführungsbeispiel vorzugsweise durch die Energie in den eigenen Federn realisiert.
Selbiger Ablauf gilt auch bei einem Zündversager.After firing the cartridge 3 from the firing position 22 rotates the drum of the weapon and the sleeve 2 is pulled by means of extractor 8 from the cartridge chamber 6 and ejected. The ejected at high speed sleeve 2 is passed through the ejection tube 12 to sleeve catch springs 28. When hitting the sleeve 2 on the sleeve catch springs 28 of the sleeve buffer or sleeve damper 14 is acted upon by the sleeve 2. The sleeve damper 14, here a spring system, springs in and reduces the collection energy of the sleeve 2. The stroke of the sleeve damper 14 is designed so that the sleeve 2 are caught by the sleeve catch springs 28 on the withdrawal edge 27 of the sleeve 2. The sleeve 2 is thereby defined in the ammunition chain 10 '. The next shot, the system is rotated further and the sleeve 2 is returned via the ammunition chain 10 'in the ammunition container. The reset of the sleeve damper 14 is preferably realized in this embodiment by the energy in the own springs.
The same procedure also applies to a failure failure.

Um die beim Schuss auftretenden Rückstoß- und Vorlaufkräfte zu reduzieren, d.h., die Waffe mit dem Munitionszuführer 7 macht bis zu ca. 40 mm Rücklauf- und Vorlaufbewegungen, ist die Waffe in einem rücklaufenden System (nicht näher dargestellt) gedämpft gelagert. Da der Munitionsbehälter in der Regel starr montiert ist, erfolgt die Übergabe der Patrone 3 über eine flexible Ausgestaltung des Conveyors 10.To reduce the recoil and advance forces occurring during the shot, ie, the weapon with the ammunition feeder 7 makes up to approx. 40 mm return and forward movements, the weapon is mounted in a returning system (not shown in detail) in a damped manner. Since the ammunition container is usually rigidly mounted, the transfer of the cartridge 3 via a flexible configuration of the conveyor 10 takes place.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Lagergehäusebearing housing
22
Hülseshell
33
Patronecartridge
44
Gehäuse der HülseHousing of the sleeve
55
Rillegroove
66
PatronenlagerChamber
88th
Auswerfersystemejector
1010
ConveyorConveyor
10'10 '
Munitionsketteammunition chain
1212
Auswurfrohrejector pipe
1313
MunitionszuführerMunitionszuführer
1414
Hülsendämpfercase damper
1515
Getriebetransmission
1616
Trommelachsedrum axis
1717
ConveyorachseConveyorachse
1818
Kettengliederchain links
1919
Kettenrad, zur Waffe weisendSprocket, pointing to the weapon
2020
Rotorrotor
2121
Zuführsternfeed star
2222
Schusspositionfiring position
2323
Auswurfpositionejection position
2424
HülsenfangpositionSleeve tuck position
2525
Hülsenableitungsleeve derivation
2626
Sensorsensor
2828
HülsenfangfedernSleeve catch springs

Claims (9)

  1. Apparatus for defined ejection of a case or munition from a cartridge chamber (6) of a drum-type weapon, having an ejector system (8) for transportation of a case (2), from which a cartridge (3) has been removed by firing, or of a misfire from the cartridge chamber (6), characterized in that at least one defined groove (5) is incorporated in the interior of the housing (1) of the cartridge chamber (6), thus creating a minimum obturation, with this being integrated in the cartridge chamber (6), such that, when the ejector system (8) acts on the base of the case (2), this expansion energy is used during the ejection process and is correspondingly converted to a speed on release of the case (2).
  2. Apparatus according to Claim 1, characterized in that, when the cartridge (3) is fired, the case (2) is deformed in its housing (4) such that the case (2) rests in the groove (5) by permanent deformation (7).
  3. Apparatus according to Claim 2, characterized in that a sufficiently large amount of force or stress is used to fit the ejector system (8) that the housing (4), which is deformed into the grooves (5), of the case (2) is drawn out over a deformation distance (X) from the groove (5) in the cartridge chamber (6).
  4. Apparatus according to one of Claims 1 to 3, characterized in that the groove (5) is incorporated in the overall internal circumference of the cartridge chamber (6).
  5. Apparatus according to one of Claims 1 to 3, characterized in that the groove (5) is interrupted, and is thus partially incorporated in the internal circumference of the cartridge chamber (6).
  6. Apparatus according to one of the abovementioned claims, characterized in that a case catching device is incorporated.
  7. Apparatus according to Claim 6, characterized in that the case catching device has an ejection tube (12) and a case damper (14) which is functionally related to the ejection tube (12), with the case (2) or cartridge (3) which is drawn out of the cartridge chamber (6) at high speed by means of an extractor (11) which is associated with the ejector system (4) being passed via the ejection tube (12) to case catching springs (28), which are located between the ejection tube (12) and the case damper (14), such that, when the case (2) or cartridge (3) strikes the case catching springs (28), the case damper (14) together with the case (2) or cartridge (3) is acted on, and the catching energy is reduced.
  8. Apparatus according to Claim 6 or 7, characterized in that the case damper (8) is a hydraulic, mass or spring-damping system.
  9. Apparatus according to one of Claims 6 to 8, characterized in that the linear movement of the case damper (8) is designed such that the case (2) or cartridge (3) is caught by the case catching springs (21) on the extraction edge (22) of the case (2), and thus comes to rest in a defined manner in the munition chain (1).
EP05024767A 2005-01-27 2005-11-12 Device for a defined extraction of an empty casing or a cartridge from a cartridge chamber. Not-in-force EP1686345B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005003752A DE102005003752B4 (en) 2005-01-27 2005-01-27 Device for the defined ejection of a sleeve or ammunition from a cartridge chamber

Publications (2)

Publication Number Publication Date
EP1686345A1 EP1686345A1 (en) 2006-08-02
EP1686345B1 true EP1686345B1 (en) 2008-10-08

Family

ID=36061635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05024767A Not-in-force EP1686345B1 (en) 2005-01-27 2005-11-12 Device for a defined extraction of an empty casing or a cartridge from a cartridge chamber.

Country Status (3)

Country Link
EP (1) EP1686345B1 (en)
AT (1) ATE410657T1 (en)
DE (2) DE102005003752B4 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013011902A1 (en) * 2013-07-17 2015-01-22 Rheinmetall Waffe Munition Gmbh Sleeve ejection device and weapon with such a device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059367A (en) * 1961-02-23 1962-10-23 Rosebush F Ward Compensating means in barrel chamber for low and high powered cartridges
US3609904A (en) * 1969-05-07 1971-10-05 Remington Arms Co Inc Extractable plastic cartridge
CH581305A5 (en) * 1974-02-20 1976-10-29 Bofors Ab Flangeless plastics cartridge case for firearms - is withdrawn by breech block after firing by keying effect
CH667325A5 (en) * 1985-09-26 1988-09-30 Oerlikon Buehrle Ag Firearm empty case-collection accessory - comprises spring impact lever with damper before shaft leading to bag
FR2637061B1 (en) 1988-09-28 1990-11-09 France Etat Armement AUTOMATIC BARREL WEAPON, AT HIGH RATE OF FIRE

Also Published As

Publication number Publication date
EP1686345A1 (en) 2006-08-02
ATE410657T1 (en) 2008-10-15
DE502005005609D1 (en) 2008-11-20
DE102005003752A1 (en) 2006-08-10
DE102005003752B4 (en) 2008-07-17

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