EP2507576B1 - Bolt drive for a firearm - Google Patents

Bolt drive for a firearm Download PDF

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Publication number
EP2507576B1
EP2507576B1 EP10779468.7A EP10779468A EP2507576B1 EP 2507576 B1 EP2507576 B1 EP 2507576B1 EP 10779468 A EP10779468 A EP 10779468A EP 2507576 B1 EP2507576 B1 EP 2507576B1
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EP
European Patent Office
Prior art keywords
bolt
connecting rod
drive
drive according
closure
Prior art date
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Application number
EP10779468.7A
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German (de)
French (fr)
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EP2507576A1 (en
Inventor
Rainer Buhl
Hubert Schneider
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
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Rheinmetall Waffe Munition GmbH
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Publication of EP2507576A1 publication Critical patent/EP2507576A1/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
    • F41A7/00—Auxiliary mechanisms for bringing the breech-block or bolt or the barrel to the starting position before automatic firing; Drives for externally-powered guns; Remote-controlled gun chargers
    • F41A7/08—Drives for externally-powered guns, i.e. drives for moving the breech-block or bolt by an external force during automatic firing
    • 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
    • F41A9/50—External power or control systems
    • 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
    • F41A9/50—External power or control systems
    • F41A9/51—Boosters, i.e. externally-powered motors

Definitions

  • the invention relates to a shutter drive for the linear feeding of an ammunition / cartridge in a chamber of a gun barrel, wherein the closure is preferably locked behind, thereby creating a small-sized weapon.
  • a cartridge is presented to a closure and spent with the help of the shutter movement, the cartridge in the gun barrel.
  • the shutter movement is based on downtime, in which the shutter must not be moved.
  • the DE 10 2007 054 470 A proposes for a linear feed of a closure to the gun barrel or cartridge chamber, to incorporate a straight guide in the drive kinematics.
  • a means is guided, which is constructively connected to the closure.
  • the guide groove is in turn by a circumferential forced operation (Backdrop) enclosed, which in turn interprets the necessary downtime of the shutter during the locking, the shot, the unlocking in its front position and the reload after the shutter has been moved to its rear position.
  • a circumferential forced operation (Backdrop) enclosed, which in turn interprets the necessary downtime of the shutter during the locking, the shot, the unlocking in its front position and the reload after the shutter has been moved to its rear position.
  • the drive transmission can be realized by casters, gears or the like, which are driven by a motor, etc. The drive itself continues to run within the downtime of the weapon.
  • the JP 8159991 A deals with a shutter drive, which has a mechanism with two racks and a crank and connecting rod.
  • the long connecting rod is attached to the rear end with the crank. With its front end, it engages via a gear on the one hand to a weapon-proof rack and on the other hand to a arranged on a bolt carrier or closure rack.
  • the invention arises, starting from the JP 615999 A1 , the task to show a small-sized weapon with a simple construction for guiding or moving a shutter.
  • the invention is based on the idea preferably to incorporate a so-called lockable rear closure and the necessary for the closure (zu) management downtime by cams, between which a (control) slider is involved, in turn with the VerInstitut für (or directly with the closure) is functionally connected. It is a so-called weapon-resistant control cam for the shutter feed and a locking curve for locking the shutter.
  • a lockable rear closure has the advantage that, since the closure is rotated behind the ammunition or cartridge inlet, the supply path of the ammunition can be reduced to the chamber.
  • the locking lugs are in this case behind the cartridge inlet.
  • the arms-tight control cam which is preferably integrated below the closure, serves to supply the closure and cooperates with a first, longer connecting rod of a cam disc of the closure drive.
  • a first, longer connecting rod of a cam disc of the closure drive About the longer connecting rod of the closure carrier and thus the shutter in the direction of weft and opposite are moved by a weapon side fixed part.
  • the rotary motion of the cam is converted into a linear motion via a toothed rack.
  • the connecting rod is attached / integrated with its rear end or bolt on / in the cam disc. With its front end (seen in the weft direction), the connecting rod engages via a toothing on the weapon-resistant rack and on the slider of the closure carrier. In this case, a better transmission ratio for the shutter movement can be set.
  • short connecting rod is involved, which engages on the one hand in the slide and on the other hand means, whereby a functional connection between the gun-fixed control cam and the closure support or the closure is provided.
  • there are two roles wherein the lower roller in the arm-fixed control cam and the upper roller engage in a transverse groove in the closure carrier.
  • the zero position (closure of the closure) is integrated, in the locking curve, which is integrated in the closure carrier circumferentially, the downtime of the closure is defined during the firing position.
  • the feeding of the ammunition before the shutter can be varied.
  • the only thing that has to be achieved is that the feed star in turn performs a movement and places a new ammunition in front of the closure and the empty cartridge case back into the belt member.
  • a weapon is characterized in the figures, which is characterized by the straight line of a closure 2.1 or closure carrier 2 for feeding an ammunition 3 into a chamber 4 of a weapon barrel of the weapon 1.
  • the supply of the ammunition 3 is preferably carried out by a feed star 19, the supply of the shutter 2.1 or lock carrier 2 by means integrated in the weapon system scenes and guides, which are necessary for the feeding and downtime in the system.
  • the closure 2.1 is characterized in this embodiment by the fact that this is locked at the rear.
  • Fig. 1 shows the weapon system or the weapon 1 in the locked situation.
  • the closure 2.1 is locked in a (weapon housing) fixed part 20 or at this (locking lugs 21).
  • the closure 2.1 is formed by a rear locking area 2.2 and a closing chamber 2.3.
  • the closure chamber 2.3 is frontally designed so that they engage in the groove of the sleeve bottom 4.1 of the cartridge or ammunition 3 and lead them forward into the chamber 4 and after the shot again take out of the chamber 4 and store it in the feed star 19 ,
  • the Lid réelle to the chamber 4 of the gun barrel 1 itself is achieved through the sleeve of the ammunition 3.
  • the necessary for igniting the ammunition 3 firing pin (not shown in detail) is guided and held within the closure chamber 2.3.
  • Fig. 2 shows in a plan view a drive pulley 5 for the shutter drive, in which a long connecting rod 7 (FIG. Fig. 3 ) and is functionally connected to it.
  • the short connecting rod 8 is held on the one hand in the slide 12 and guided with this.
  • the short connecting rod 8 engages in one above the connecting rod 8 and below the closure carrier 2 (FIG. Fig. 2
  • the short connecting rod 8 is guided in an arm-fixed control cam 14 and takes on displacement of the slider 12 by the long connecting rod 7 due to the engagement in the transverse groove 13, the lock carrier 2 to the rear or forward with.
  • the connecting rod 8 In the rear end position, the so-called dead center of the feed, the connecting rod 8 is pivotable. Thereby, it is possible that the lock carrier 2 in this rear position, when the ammunition 3 is supplied, can stop (downtime), while the system or the slider 12 is still running a small way.
  • the control cam 14 In this end position, the control cam 14 has an end point 14.1, into which the connecting rod 8 is pushed while leaving the transverse groove 13. Due to the pivoting of the slide 12 despite Endpoint 14.1 continue in the control curve 14 below this.
  • This construction realizes the stoppage time of the closure - behind - in which the ammunition loading takes place, since for the rear stoppage of the shutter 2.1, the connecting rod 8 can dodge in the transverse groove 13.
  • the long connecting rod 7 is used to convert the rotational movement of the disc 5 in a linear shutter movement and thus the actual movement of the shutter / shutter carrier 2 in cooperation with a short connecting rod 8.
  • the long connecting rod 7 is with its rear end or bolt on / in the Cam 5 attached / integrated. With its front end (seen in the weft direction), the connecting rod 7 engages via a toothing 9 (FIG. Fig. 3 ) to a weapon-proof rack 10 and the slider 12 of the closure carrier 2 at.
  • This allows a better transmission ratio (for example, 1: 2), the shutter movement itself be set.
  • This has the advantage that the diameter of the crankcase (disc 5) can be made smaller by half than in a 1: 1 transmission. This is associated with a lower weight.
  • Lock carrier 2 and closure 2.1 are structurally connected to one another via a driver 15, which is functionally firmly connected to the closure 2.1.
  • the locking of the closure is realized by another, integrated in the lock carrier 2 locking curve 16 (groove), in which the driver 15 can escape to close.
  • the slider 12 in turn moves the shutter 2.1 via the bolt carrier 2 from the front position - firing position - to a rear - loading position - and vice versa through the fixed part 20 therethrough.
  • the ammunition 3 is placed in the feed star and then taken with the forward movement of the shutter 2.1 (through the closing chamber 2.3) in the chamber 4.
  • the slider 12 moves slightly further into its front end position and the lock carrier 2 over the upper Curve 16 further in a locking position, which is preferably integrated above the closure carrier 2 in order to lock the closure 2.1.
  • locking lugs 21 engage in / at corresponding receptacles of the part 20, the cam 15 runs from the curve 16 in a locking path 16.1 of the locking cam 16.
  • the drive 5 or the disc may for example have an external toothing (not shown in detail) so as to be able to be rotated via a gear driven by a third-party drive or a gear combination.
  • an external toothing not shown in detail
  • alternatives are also possible, such as the direct drive of the disc. 5

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Description

Die Erfindung betrifft einen Verschlussantrieb für das lineare Zuführen einer Munition / Patrone in ein Patronenlager eines Waffenrohres, wobei der Verschluss bevorzugt hinten verriegelt wird, um dadurch eine klein bauende Waffe zu schaffen.The invention relates to a shutter drive for the linear feeding of an ammunition / cartridge in a chamber of a gun barrel, wherein the closure is preferably locked behind, thereby creating a small-sized weapon.

Bekanntlich wird eine Patrone einem Verschluss vorgelegt und mit Hilfe der Verschlussbewegung die Patrone in das Waffenrohr verbracht. Die Verschlussbewegung basiert dabei auf Stillstandzeiten, in denen der Verschluss nicht bewegt werden darf.As is known, a cartridge is presented to a closure and spent with the help of the shutter movement, the cartridge in the gun barrel. The shutter movement is based on downtime, in which the shutter must not be moved.

Die unter der Bezeichnung Bushmaster bekannte fremd angetriebene Maschinenkanone besitzt als Funktionssteuerung bzw. Antrieb zum Bewegen des Verschlusses und der Munitionszuführung eine umlaufende Kette, was ihr auch den Namen Chain Gun gibt. Notwendige Stillstandzeiten werden durch die Führung der Kette realisiert ( US 4,418,607 ; US 4,481,858 ; US 4,563,936 ; US 4,665,793 ; DE 30 21 200 C ).The known under the name Bushmaster foreign-powered machine gun has as a function control or drive to move the shutter and the ammunition feed a revolving chain, which gives her the name Chain Gun. Necessary downtimes are realized by the management of the chain ( US 4,418,607 ; US 4,481,858 ; US 4,563,936 ; US 4,665,793 ; DE 30 21 200 C ).

Mit der DE 10 2007 048 468 A wird ein Antrieb für die lineare Zuführung der Munition in ein Waffenrohr bzw. Patronenlager mittels einer Kette beschrieben. Die Kette selbst wird in einfacher Art und Weise eng um zwei Kettenräder geführt. Ein Kettenglied bzw. ein Nocken der Kette ist in eine unterhalb des bewegbaren Schiebers befindlichen Führung oder Nut eingebunden. Dadurch kann die Kette innerhalb der Stillstandszeiten der Waffe, die durch die Funktionssteuerung definiert werden, weiter laufen. Die Kette selbst kann durch einen Elektromotor angetrieben werden.With the DE 10 2007 048 468 A a drive for the linear supply of the ammunition into a weapon barrel or cartridge chamber is described by means of a chain. The chain itself is tightly guided around two sprockets in a simple manner. A chain link or a cam of the chain is incorporated in a guide or groove located below the movable slide. As a result, the chain can continue running within the downtime of the weapon, which are defined by the function control. The chain itself can be driven by an electric motor.

Die DE 10 2007 054 470 A hingegen schlägt für eine lineare Zuführung eines Verschlusses zum Waffenrohr bzw. Patronenlager vor, eine gerade Führungsnut in die Antriebs-Kinematik einzubinden. In der Führungsnut wird ein Mittel geführt, welches mit dem Verschluss konstruktiv verbunden ist. Die Führungsnut wird ihrerseits von einer umlaufenden Zwangsführung (Kulisse) umschlossen, die wiederum die notwendigen Stillstandszeiten des Verschlusses während des Verriegelns, des Schusses, des Entriegelns In seiner vorderen Position sowie des Neuladens interpretiert, nach dem der Verschluss in seine hintere Position geführt worden ist. Innerhalb der Zwangsführung wird ein weiteres Mittel als Antriebsmittel für den Verschluss geführt. Die Antriebsübertragung kann durch Gleitrollen, Zahnräder oder dergleichen realisiert werden, die von einem Motor etc. angetrieben werden. Der Antrieb selbst läuft innerhalb der Stillstandszeiten der Waffe weiter.The DE 10 2007 054 470 A In contrast, proposes for a linear feed of a closure to the gun barrel or cartridge chamber, to incorporate a straight guide in the drive kinematics. In the guide groove, a means is guided, which is constructively connected to the closure. The guide groove is in turn by a circumferential forced operation (Backdrop) enclosed, which in turn interprets the necessary downtime of the shutter during the locking, the shot, the unlocking in its front position and the reload after the shutter has been moved to its rear position. Within the positive guide another means is performed as a drive means for the closure. The drive transmission can be realized by casters, gears or the like, which are driven by a motor, etc. The drive itself continues to run within the downtime of the weapon.

Die JP 8159991 A beschäftigt sich mit einem Verschlussantrieb, der einen Mechanismus mit zwei Zahnstangen sowie eine Kurbel und Pleuelstange aufweist. Das lange Pleuel ist mit seinem hinteren Ende mit der Kurbel befestigt. Mit seinem vorderen Ende greift es über ein Zahnrad einerseits an einer waffenfesten Zahnstange und andererseits an eine an einem Verschlussträger bzw. Verschluss angeordnete Zahnstange an.The JP 8159991 A deals with a shutter drive, which has a mechanism with two racks and a crank and connecting rod. The long connecting rod is attached to the rear end with the crank. With its front end, it engages via a gear on the one hand to a weapon-proof rack and on the other hand to a arranged on a bolt carrier or closure rack.

Die Erfindung stellt sich, ausgehend von der JP 615999 A1 , die Aufgabe, eine klein bauende Waffe mit einer einfachen Konstruktion für das Führen bzw. Bewegen eines Verschlusses aufzuzeigen.The invention arises, starting from the JP 615999 A1 , the task to show a small-sized weapon with a simple construction for guiding or moving a shutter.

Gelöst wird die Aufgabe durch die Merkmale des Patentanspruchs 1 sowie des Patentanspruchs 10. Vorteilhafte Ausgestaltungen finden sich in den Unteransprüchen wieder.The object is achieved by the features of claim 1 and of claim 10. Advantageous embodiments can be found in the subclaims again.

Der Erfindung liegt die Idee zugrunde, vorzugsweise einen sogenannten hinten verriegelbaren Verschluss einzubinden und die für die Verschluss(zu)führung notwendigen Stillstandszeiten durch Steuerkurven zu schaffen, zwischen denen ein (Steuer-)Schieber eingebunden ist, der seinerseits mit dem Verschlussträger (bzw. direkt mit dem Verschluss) funktional verbunden ist. Dabei handelt es sich um eine so genannte waffenfeste Steuerkurve für die Verschlusszuführung und um eine Verriegelungskurve zum Verriegeln des Verschlusses.The invention is based on the idea preferably to incorporate a so-called lockable rear closure and the necessary for the closure (zu) management downtime by cams, between which a (control) slider is involved, in turn with the Verschlussträger (or directly with the closure) is functionally connected. It is a so-called weapon-resistant control cam for the shutter feed and a locking curve for locking the shutter.

Ein hinten verriegelbarer Verschluss hat den Vorteil, dass, da der Verschluss hinter dem Munitions- bzw. Patroneneinlauf gedreht wird, der Zuführweg der Munition in das Patronenlager reduziert werden kann. Die Verriegelungswarzen befinden sich in diesem Fall hinter dem Patroneneinlauf.A lockable rear closure has the advantage that, since the closure is rotated behind the ammunition or cartridge inlet, the supply path of the ammunition can be reduced to the chamber. The locking lugs are in this case behind the cartridge inlet.

Die vorzugsweise unterhalb des Verschlusses eingebundene waffenfeste Steuerkurve dient zur Zuführung des Verschlusses und wirkt mit einem ersten, längeren Pleuel einer Kurvenscheibe des Verschlussantriebes zusammen. Über das längere Pleuel werden der Verschlussträger und damit der Verschluss in Schussrichtung und entgegengesetzt durch ein waffenseitig feststehendes Teil bewegt. Die Drehbewegung der Kurvenscheibe wird über eine Zahnstange in eine Linearbewegung umgewandelt.The arms-tight control cam, which is preferably integrated below the closure, serves to supply the closure and cooperates with a first, longer connecting rod of a cam disc of the closure drive. About the longer connecting rod of the closure carrier and thus the shutter in the direction of weft and opposite are moved by a weapon side fixed part. The rotary motion of the cam is converted into a linear motion via a toothed rack.

Das Pleuel ist dazu mit seinem hinteren Ende bzw. Bolzen an / in der Kurvenscheibe befestigt / eingebunden. Mit seinem vorderen Ende (in Schussrichtung gesehen) greift das Pleuel über eine Verzahnung an der waffenfesten Zahnstange und an den Schieber des Verschlussträgers an. Dabei kann ein besseres Übertragungsverhältnis für die Verschlussbewegung eingestellt werden. Im Schieber ist ein weiteres, kurzes Pleuel eingebunden, das einerseits in den Schieber eingreift und andererseits Mittel aufweist, wodurch eine funktionale Verbindung zwischen der waffenfesten Steuerkurve und dem Verschlussträger bzw. dem Verschluss geschaffen wird. In einer bevorzugten Ausführung handelt es sich um zwei Rollen, wobei die untere Rolle in der waffenfesten Steuerkurve und die obere Rolle in eine Quernut im Verschlussträger eingreifen.The connecting rod is attached / integrated with its rear end or bolt on / in the cam disc. With its front end (seen in the weft direction), the connecting rod engages via a toothing on the weapon-resistant rack and on the slider of the closure carrier. In this case, a better transmission ratio for the shutter movement can be set. In the slide another, short connecting rod is involved, which engages on the one hand in the slide and on the other hand means, whereby a functional connection between the gun-fixed control cam and the closure support or the closure is provided. In a preferred embodiment, there are two roles, wherein the lower roller in the arm-fixed control cam and the upper roller engage in a transverse groove in the closure carrier.

In dem hinteren Endpunkt der waffenfesten Steuerkurve ist die Null-Position (Stillstand des Verschlusses) integriert, in der Verriegelungskurve, die im Verschlussträger umfänglich eingebunden ist, wird die Stillstandszeit des Verschlusses während der Schussposition definiert.In the rear end point of the weapon-resistant control cam, the zero position (closure of the closure) is integrated, in the locking curve, which is integrated in the closure carrier circumferentially, the downtime of the closure is defined during the firing position.

Das Zuführen der Munition vor den Verschluss, also während dieser seine Null-Position eingenommen hat, kann verschiedenartig sein. Erreicht werden muss nur, dass der Zuführstern seinerseits eine Bewegung vollführt und eine neue Munition vor den Verschluss sowie die leere Patronenhülse wieder in das Gurtglied legt.The feeding of the ammunition before the shutter, so while it has taken its zero position, can be varied. The only thing that has to be achieved is that the feed star in turn performs a movement and places a new ammunition in front of the closure and the empty cartridge case back into the belt member.

Anhand eines Ausführungsbeispiels mit Zeichnung soll die Erfindung näher erläutert werden. Es zeigt:

Fig. 1
eine Perspektivdarstellung einer teilweise gehäuselosen Waffe, in der Verriegelungsstellung,
Fig. 2
eine Darstellung des hinteren Teils des Verschlussantriebes aus Fig. 1 ohne Verschlussträger,
Fig. 3
eine vergrößerte Darstellung des Verschlussantriebes aus einer Perspektive von unten.
Reference to an embodiment with drawing, the invention will be explained in more detail. It shows:
Fig. 1
a perspective view of a partially caseless weapon, in the locked position,
Fig. 2
an illustration of the rear part of the shutter drive Fig. 1 without lock carrier,
Fig. 3
an enlarged view of the shutter drive from a perspective from below.

Mit 1 ist in den Figuren eine Waffe gekennzeichnet, die durch das Geradezuführen eines Verschlusses 2.1 bzw. Verschlussträgers 2 zum Zuführen einer Munition 3 in ein Patronenlager 4 eines Waffenlaufes der Waffe 1 geprägt ist. Die Zuführung der Munition 3 erfolgt bevorzugt durch einen Zuführstern 19, die Zuführung des Verschlusses 2.1 bzw. Verschlussträgers 2 mittels im Waffensystem eingebundene Kulissen und Führungen, die notwendig sind für die Zuführ- und Stillstandzeiten im System. Der Verschluss 2.1 zeichnet sich in diesem Ausführungsbeispiel dadurch aus, dass dieser hinten verriegelbar ist.1, a weapon is characterized in the figures, which is characterized by the straight line of a closure 2.1 or closure carrier 2 for feeding an ammunition 3 into a chamber 4 of a weapon barrel of the weapon 1. The supply of the ammunition 3 is preferably carried out by a feed star 19, the supply of the shutter 2.1 or lock carrier 2 by means integrated in the weapon system scenes and guides, which are necessary for the feeding and downtime in the system. The closure 2.1 is characterized in this embodiment by the fact that this is locked at the rear.

Fig. 1 zeigt das Waffensystem bzw. die Waffe 1 in der verriegelten Situation. Dabei ist der Verschluss 2.1 in einem (waffengehäuse-) feststehenden Teil 20 bzw. an diesem verriegelt (Verriegelungswarzen 21). Der Verschluss 2.1 wird durch einen hinteren Verriegelungsbereich 2.2 und eine Verschlusskammer 2.3 gebildet. Die Verschlusskammer 2.3 ist stirnseitig so ausgeführt, dass sie in die Rille des Hülsenbodens 4.1 der Patrone bzw. Munition 3 eingreifen und diese mit nach vorne in das Patronenlager 4 führen und nach dem Schuss wieder aus dem Patronenlager 4 mitnehmen sowie in den Zuführstern 19 ablegen kann. Die Liderung zum Patronenlager 4 des Waffenrohres 1 selbst wird über die Hülse der Munition 3 erreicht. Der zum Zünden der Munition 3 notwendige Schlagbolzen (nicht näher dargestellt) wird innerhalb der Verschlusskammer 2.3 geführt und gehalten. Fig. 1 shows the weapon system or the weapon 1 in the locked situation. In this case, the closure 2.1 is locked in a (weapon housing) fixed part 20 or at this (locking lugs 21). The closure 2.1 is formed by a rear locking area 2.2 and a closing chamber 2.3. The closure chamber 2.3 is frontally designed so that they engage in the groove of the sleeve bottom 4.1 of the cartridge or ammunition 3 and lead them forward into the chamber 4 and after the shot again take out of the chamber 4 and store it in the feed star 19 , The Liderung to the chamber 4 of the gun barrel 1 itself is achieved through the sleeve of the ammunition 3. The necessary for igniting the ammunition 3 firing pin (not shown in detail) is guided and held within the closure chamber 2.3.

Fig. 2 zeigt in einer Draufsicht eine Antriebsscheibe 5 für den Verschlussantrieb, in der ein langes Pleuel 7 (Fig. 3) eingebunden und funktional mit diesem verbunden ist. Das kurze Pleuel 8 wird einerseits im Schieber 12 gehalten und mit diesem geführt. Andererseits greift das kurze Pleuel 8 in eine oberhalb des Pleuels 8 und unterhalb des Verschlussträgers 2 (Fig. 2) eingebrachte Quernut 13. Das kurze Pleuel 8 wird in einer waffenfesten Steuerkurve 14 geführt und nimmt bei Verschiebung des Schiebers 12 durch das lange Pleuel 7 bedingt durch den Eingriff in die Quernut 13 den Verschlussträger 2 nach hinten bzw. nach vorne mit. Fig. 2 shows in a plan view a drive pulley 5 for the shutter drive, in which a long connecting rod 7 (FIG. Fig. 3 ) and is functionally connected to it. The short connecting rod 8 is held on the one hand in the slide 12 and guided with this. On the other hand, the short connecting rod 8 engages in one above the connecting rod 8 and below the closure carrier 2 (FIG. Fig. 2 The short connecting rod 8 is guided in an arm-fixed control cam 14 and takes on displacement of the slider 12 by the long connecting rod 7 due to the engagement in the transverse groove 13, the lock carrier 2 to the rear or forward with.

In der hinteren Endlage, dem sogenannten Totpunkt der Zuführung, ist der Pleuel 8 verschwenkbar. Dadurch ist es möglich, dass der Verschlussträger 2 in dieser hinteren Position, wenn die Munition 3 zugeführt wird, stehen bleiben kann (Stillstandzeit), während das System bzw. der Schieber 12 noch einen kleinen Weg weiter läuft. In dieser Endlage besitzt die Steuerkurve 14 einen Endpunkt 14.1, in den hinein der Pleuel 8 geschoben wird, während es die Quernut 13 verlässt. Durch die Verschwenkbarkeit kann der Schieber 12 trotz Endpunkt 14.1 in der Steuerkurve 14 unterhalb dieser weiterlaufen. Diese Konstruktion realisiert die Stillstandzeit des Verschlusses - hinten - in der die Munitionsbeladung erfolgt, da für den hinteren Stillstand des Verschlusses 2.1 das Pleuel 8 in der Quernut 13 ausweichen kann.In the rear end position, the so-called dead center of the feed, the connecting rod 8 is pivotable. Thereby, it is possible that the lock carrier 2 in this rear position, when the ammunition 3 is supplied, can stop (downtime), while the system or the slider 12 is still running a small way. In this end position, the control cam 14 has an end point 14.1, into which the connecting rod 8 is pushed while leaving the transverse groove 13. Due to the pivoting of the slide 12 despite Endpoint 14.1 continue in the control curve 14 below this. This construction realizes the stoppage time of the closure - behind - in which the ammunition loading takes place, since for the rear stoppage of the shutter 2.1, the connecting rod 8 can dodge in the transverse groove 13.

Das lange Pleuel 7 dient zur Umwandlung der Drehbewegung der Scheibe 5 in eine lineare Verschlussbewegung und damit zur eigentlichen Bewegung des Verschlusses / Verschlussträgers 2 im Zusammenwirken mit einem kurzen Pleuel 8. Das lange Pleuel 7 ist mit seinem hinteren Ende bzw. Bolzen an / in der Kurvenscheibe 5 befestigt / eingebunden. Mit seinem vorderen Ende (in Schussrichtung gesehen) greift das Pleuel 7 über eine Verzahnung 9 (Fig. 3) an eine waffenfeste Zahnstange 10 und an den Schieber 12 des Verschlussträgers 2 an. Dadurch kann ein besseres Übertragungsverhältnis (beispielsweise 1:2) die Verschlussbewegung selbst eingestellt werden. Dies hat den Vorteil, dass der Durchmesser des Kurbelgehäuses (Scheibe 5) um die Hälfte kleiner gebaut werden kann, als bei einer 1:1 Übertragung. Damit verbunden ist ein geringeres Gewicht.The long connecting rod 7 is used to convert the rotational movement of the disc 5 in a linear shutter movement and thus the actual movement of the shutter / shutter carrier 2 in cooperation with a short connecting rod 8. The long connecting rod 7 is with its rear end or bolt on / in the Cam 5 attached / integrated. With its front end (seen in the weft direction), the connecting rod 7 engages via a toothing 9 (FIG. Fig. 3 ) to a weapon-proof rack 10 and the slider 12 of the closure carrier 2 at. This allows a better transmission ratio (for example, 1: 2), the shutter movement itself be set. This has the advantage that the diameter of the crankcase (disc 5) can be made smaller by half than in a 1: 1 transmission. This is associated with a lower weight.

Verschlussträger 2 und Verschluss 2.1 sind über einen mit dem Verschluss 2.1 funktional fest verbundnen Mitnehmer 15 miteinender konstruktiv verbunden. Das Verriegeln des Verschlusses wird durch eine weitere, im Verschlussträger 2 eingebundene Verriegelungskurve 16 (Nut) realisiert, in den der Mitnehmer 15 zum Verschließen ausweichen kann.Lock carrier 2 and closure 2.1 are structurally connected to one another via a driver 15, which is functionally firmly connected to the closure 2.1. The locking of the closure is realized by another, integrated in the lock carrier 2 locking curve 16 (groove), in which the driver 15 can escape to close.

Mit Drehen der Scheibe 5 wird auf das lange Pleuel 7 eine Linearbewegung ausgeübt. Dadurch wird die Verzahnung 9 bewegt, die ihrerseits entlang der waffenfesten Zahnstange 10 geführt den Schieber 12 verstellt.By turning the disc 5, a linear movement is exerted on the long connecting rod 7. As a result, the toothing 9 is moved, which in turn guided along the weapon-resistant rack 10, the slider 12 is adjusted.

Der Schieber 12 bewegt seinerseits den Verschluss 2.1 über den Verschlussträger 2 von der vorderen Position - Schussposition - in eine hintere - Ladeposition - und umgekehrt durch das feststehende Teil 20 hindurch. In der hinteren Position wird die Munition 3 in den Zuführstern gelegt und diese dann mit der Vorwärtsbewegung des Verschlusses 2.1 (durch die Verschlusskammer 2.3) in das Patronenlager 4 mitgenommen.The slider 12 in turn moves the shutter 2.1 via the bolt carrier 2 from the front position - firing position - to a rear - loading position - and vice versa through the fixed part 20 therethrough. In the rear position, the ammunition 3 is placed in the feed star and then taken with the forward movement of the shutter 2.1 (through the closing chamber 2.3) in the chamber 4.

Erreicht der Verschluss 2.1 seine vordere Anschlagposition, laufen der Schieber 12 geringfügig weiter in seine vordere Endlagenposition und der Verschlussträger 2 über die obere Kurve 16 weiter in einer Verriegelungsposition, die bevorzugt oberhalb des Verschlussträgers 2 eingebunden ist, um den Verschluss 2.1 zu verriegeln. Zum Verriegeln, Verriegelungswarzen 21 greifen in / an entsprechende Aufnahmen des Teils 20, läuft der Nocken 15 aus der Kurve 16 in einen Verriegelungsweg 16.1 der Verriegelungskurve 16. Dadurch wird in der Schussposition eine schwimmende (Rücklauf aufnehmende) Lagerung für den Verschluss 2.1 realisiert.When the shutter 2.1 reaches its front stop position, the slider 12 moves slightly further into its front end position and the lock carrier 2 over the upper Curve 16 further in a locking position, which is preferably integrated above the closure carrier 2 in order to lock the closure 2.1. For locking, locking lugs 21 engage in / at corresponding receptacles of the part 20, the cam 15 runs from the curve 16 in a locking path 16.1 of the locking cam 16. As a result, in the firing position a floating (return receiving) storage for the shutter 2.1 is realized.

Der Antrieb 5 bzw. die Scheibe kann beispielsweise eine Außenverzahnung aufweisen (nicht näher dargestellt), um so über ein vom Fremdantrieb angetriebenes Zahnrad oder eine Zahnradkombination gedreht werden zu können. Alternativen sind jedoch auch möglich, wie beispielsweise der Direktantrieb der Scheibe 5.The drive 5 or the disc may for example have an external toothing (not shown in detail) so as to be able to be rotated via a gear driven by a third-party drive or a gear combination. However, alternatives are also possible, such as the direct drive of the disc. 5

Claims (10)

  1. Bolt drive for a bolt (2.1), in particular a bolt that can be locked from behind, of a firearm (1), with
    - a drive comprising a rotating drive disc (5), a long connecting rod (7), a slider (12) of the bolt support (2) or of the bolt (2.1) and a short connecting rod (8),
    wherein
    - the long connecting rod (7) is attached by its rear end or pin on or in the rotating drive disc (5) and acts with its front end by way of a toothing (9) on a rack (10) that is fixed to the firearm and on the other hand acts on a rack that is arranged on the slider (12),
    and wherein
    - the short connecting rod (8) on the one hand is held in the slider (12) and guided with it, and on the other hand engages in a transverse groove (13) incorporated above the connecting rod (8) and below the bolt support (2).
  2. Bolt drive according to Claim 1, characterized in that the short connecting rod (8) is guided in the control cam (14) fixed to the firearm, which has a rear end point (14.1), into which the connecting rod (8) is pushed.
  3. Bolt drive according to Claim 2, characterized in that the short connecting rod (8) in the rear end position is pivotable in the end point (14.1) of the control cam (14).
  4. Bolt drive according to one of Claims 1 to 3, characterized in that the bolt support (2) and the bolt (2.1) are structurally connected to each other by way of a carrier (15) that is functionally connected in a fixed manner to the bolt (2.1).
  5. Bolt drive according to Claim 4, characterized in that the locking of the bolt (2.1) is realized by a further locking cam (16), which is incorporated in the bolt support (2) and into which the carrier (15) can escape for locking.
  6. Bolt drive according to Claim 5, characterized in that the locking cam (16) has a locking path (16.1), whereby in the firing position a floating mounting that absorbs the recoil is realized for the bolt (2.1).
  7. Bolt drive according to one of Claims 1 to 6, characterized in that the drive (5) is a disc.
  8. Bolt drive according to Claim 7, characterized in that the drive (5) has an external toothing.
  9. Bolt drive according to Claim 7 or 8, characterized in that the long connecting rod (7) serves for converting the rotary movement into a linear bolt movement and the short connecting rod (8) serves for the actual displacement of the bolt (2.1) or of the bolt support (2).
  10. Firearm with a bolt drive according to one of Claims 1 to 9 and a bolt (2.1) that can be locked from behind.
EP10779468.7A 2009-12-04 2010-11-05 Bolt drive for a firearm Active EP2507576B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009056735A DE102009056735A1 (en) 2009-12-04 2009-12-04 Shutter drive for a weapon
PCT/EP2010/006751 WO2011066894A1 (en) 2009-12-04 2010-11-05 Breech drive for a weapon

Publications (2)

Publication Number Publication Date
EP2507576A1 EP2507576A1 (en) 2012-10-10
EP2507576B1 true EP2507576B1 (en) 2013-10-23

Family

ID=43567666

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10779468.7A Active EP2507576B1 (en) 2009-12-04 2010-11-05 Bolt drive for a firearm

Country Status (5)

Country Link
US (1) US8726779B2 (en)
EP (1) EP2507576B1 (en)
DE (1) DE102009056735A1 (en)
ES (1) ES2441166T3 (en)
WO (1) WO2011066894A1 (en)

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DE102010027636A1 (en) 2010-07-19 2012-01-19 Rheinmetall Waffe Munition Gmbh Selective switchable lock and / or ammunition drive
DE102013010594B4 (en) 2013-06-26 2015-02-19 Rheinmetall Waffe Munition Gmbh belt member
DE102014111169A1 (en) 2014-06-16 2015-12-17 Rheinmetall Waffe Munition Gmbh Firing pin safety
DE102014111165A1 (en) 2014-06-16 2015-12-17 Rheinmetall Waffe Munition Gmbh Lock and security system for a weapon
DE102014108466A1 (en) 2014-06-16 2015-12-17 Rheinmetall Waffe Munition Gmbh Electronic quick stop deactivation
DE102014108465A1 (en) 2014-06-16 2015-12-17 Rheinmetall Waffe Munition Gmbh Quick stop
DE102014111160A1 (en) 2014-06-16 2015-12-17 Rheinmetall Waffe Munition Gmbh Security system for a lock of a weapon
PT3320293T (en) * 2015-07-10 2024-03-04 Rheinmetall Waffe Munition Gmbh Weapon drive, and weapon drive with a weapon emergency stop
DE102015008799B4 (en) 2015-07-10 2021-05-27 Rheinmetall Waffe Munition Gmbh Recoil amplifier for an externally powered machine gun, in particular a machine gun
DE102015008797A1 (en) 2015-07-10 2017-01-12 Rheinmetall Waffe Munition Gmbh Case ejection device
US10168119B2 (en) * 2016-12-23 2019-01-01 Magpul Industries Corp. Firearm bipod

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JPH087034B2 (en) * 1992-11-28 1996-01-29 防衛庁技術研究本部長 Playground drive mechanism
DE102005045824B3 (en) * 2005-09-24 2007-04-26 Rheinmetall Waffe Munition Gmbh Device for loading a machine gun
DE102007048468A1 (en) 2007-10-09 2009-04-16 Rheinmetall Waffe Munition Gmbh Drive for a weapon with preferably linear ammunition guide
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US8297167B2 (en) * 2008-11-21 2012-10-30 The United States Of America As Represented By The Secretary Of The Army Reciprocally-cycled, externally-actuated weapon
DE102008060214A1 (en) * 2008-12-04 2010-06-10 Rheinmetall Waffe Munition Gmbh Shutter drive for a weapon with linear shutter or ammunition supply

Also Published As

Publication number Publication date
US20120318127A1 (en) 2012-12-20
WO2011066894A9 (en) 2012-04-05
DE102009056735A1 (en) 2011-06-09
ES2441166T3 (en) 2014-02-03
WO2011066894A1 (en) 2011-06-09
EP2507576A1 (en) 2012-10-10
US8726779B2 (en) 2014-05-20

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