EP1500897B1 - Breech block for an automatic firearm - Google Patents

Breech block for an automatic firearm Download PDF

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Publication number
EP1500897B1
EP1500897B1 EP04015471A EP04015471A EP1500897B1 EP 1500897 B1 EP1500897 B1 EP 1500897B1 EP 04015471 A EP04015471 A EP 04015471A EP 04015471 A EP04015471 A EP 04015471A EP 1500897 B1 EP1500897 B1 EP 1500897B1
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EP
European Patent Office
Prior art keywords
cocking
mechanism according
firing pin
lever
locking head
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Not-in-force
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EP04015471A
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German (de)
French (fr)
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EP1500897A1 (en
Inventor
Sergej Popikow
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SAT Swiss Arms Tech AG
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SAT Swiss Arms Tech AG
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Priority to PL04015471T priority Critical patent/PL1500897T3/en
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    • 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
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
    • F41A3/14—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively
    • F41A3/16—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks
    • 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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/13—Percussion or firing pins, i.e. fixed or slidably-mounted striker elements; Mountings therefor
    • 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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/25—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins
    • F41A19/27—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block
    • F41A19/29—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block propelled by a spring under tension
    • F41A19/30—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block propelled by a spring under tension in bolt-action guns
    • F41A19/34—Cocking mechanisms

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  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Glass Compositions (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Toys (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Optical Communication System (AREA)
  • Amplifiers (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Telescopes (AREA)
  • Burglar Alarm Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Vending Machines For Individual Products (AREA)

Abstract

Breech for a repeating rifle comprises a chamber (7) rotating about its longitudinal axis in a chamber bushing and guided in an axially displaceable manner in the longitudinal direction of the rifle. The chamber contains a bushing (10), a firing pin piece (20) arranged in an axially displaceable manner in the bushing, and a clamping device (28, 31) for clamping and releasing a firing pin piece spring (25) loading the firing pin piece. The chamber also contains an exchangeable locking head (8) and a locking mechanism (11) released by the clamping device for holding the locking head on the bushing. An independent claim is also included for a repeating rifle comprising the above breech.

Description

Die Erfindung betrifft einen Verschluss für eine Repetierwaffe nach dem Oberbegriff des Anspruchs 1. Die Erfindung betrifft außerdem eine Repetierwaffe mit einem derartigen Verschluss.The invention relates to a closure for a repeating weapon according to the preamble of claim 1. The invention also relates to a repeating weapon with such a closure.

Aus der EP 0 036 853 A2 ist bereits ein Verschluss für eine Repetierwaffe bekannt, der eine in einem Kammergehäuse angeordnete Kammer mit einem an einer Hülse angeformten Verriegelungskopf, einem in der Hülse axial verschiebbaren Schlagstück und einer Spanneinrichtung zum Spannen und Entspannen einer das Schlagstück beaufschlagenden Feder enthält. Die Spanneinrichtung besteht dort aus einem an der Rückseite der Feder angreifenden Druckstück, das über einen Hebelmechanismus mit einem von Hand betätigbaren rückseitigen Winkelhebel gelenkig verbunden ist. Dadurch kann die Feder unabhängig vom Abzugsmechanismus gespannt und entspannt werden. Außerdem ist der Verschluss auch bei gespannter Feder betätigbar, so dass eine schnelle Schussfolge ermöglicht wird. Bei diesem bekannten Verschluss ist jedoch der Verriegelungskopf einstückig mit der Hülse ausgeführt. Die Kammer ist somit auf eine bestimmte Kalibergruppe abgestimmt, so dass bei einem Wechsel der Kalibergruppe eine andere Kammer verwendet werden muss.A closure for a repeating weapon is already known from EP 0 036 853 A2, which comprises a chamber arranged in a chamber housing with a locking head formed on a sleeve, a striking piece axially displaceable in the sleeve and a tensioning device for tensioning and relaxing a spring acting on the striking piece contains. There, the tensioning device consists of a force acting on the back of the spring pressure piece, which is connected via a lever mechanism with a manually operable rear angle lever articulated. As a result, the spring can be tensioned and relaxed independently of the trigger mechanism. In addition, the closure is operable even when the spring is tensioned, so that a fast shot sequence is made possible. In this known closure, however, the locking head is integral with the sleeve. The chamber is thus tuned to a specific caliber group, so that when changing the caliber group another chamber must be used.

Es sind auch bereits Kammern mit auswechselbaren Verriegelungsköpfen bekannt. Dort sind jedoch in der Regel gesonderte Verbindungselemente vorhanden, die zum Wechseln der Verriegelungskopfs zunächst demontiert und anschließend wieder montiert werden müssen. Dies ist mit einem erhöhten Montage- und Zeitaufwand verbunden.There are already known chambers with interchangeable locking heads. There, however, separate fasteners are usually present, which must first be disassembled to change the locking head and then re-assembled. This is associated with increased installation and time.

Aufgabe der Erfindung ist es, einen Verschluss der eingangs genannten Art sowie eine Repetierwaffe zu schaffen, die eine schnelle und einfache Auswechslung des Verriegelungskopfs ermöglichen.The object of the invention is to provide a closure of the type mentioned and a repeating weapon that allow quick and easy replacement of the locking head.

Diese Aufgabe wird durch einen Verschluss mit den Merkmalen des Anspruchs 1 und durch eine Repetierwaffe mit den Merkmalen des Anspruchs 14 gelöst. Zweckmäßige Weiterbildungen und vorteilhafte Ausführungsformen der Erfindung sind Gegenstand der Unteransprüche.This object is achieved by a closure having the features of claim 1 and by a repeating weapon having the features of claim 14. expedient Further developments and advantageous embodiments of the invention are the subject of the dependent claims.

Ein wesentlicher Vorteil des erfindungsgemäßen Verschlusses besteht in der Möglichkeit, einen einfachen und schnellen Kammerwechsel ohne Zerlegung des Verschlusses zur Anpassung an unterschiedliche Kalibergruppen durchzuführen. Bei Laufwechsel von einer Kalibergruppe zur anderen, muss nicht die gesamte Kammer, sondern nur der Verriegelungskopf getauscht werden, was auch ohne zusätzliche Verbindungselemente oder Werkzeuge schnell und einfach durchgeführt werden kann. Dennoch ist der Verriegelungskopf sicher an der Hülse gehalten und kann nur in einer vorgegeben Wechselposition demontiert werden. Da bei einem Wechsel der Kalibergruppe nur der Verriegelungskopf ausgetauscht werden muss, können außerdem auch die Kosten gesenkt werden.A significant advantage of the closure according to the invention is the ability to perform a simple and quick change of chamber without disassembly of the closure to adapt to different caliber groups. When running from one caliber group to another, not the entire chamber, but only the locking head must be replaced, which can be done quickly and easily without additional fasteners or tools. Nevertheless, the locking head is securely held on the sleeve and can only be disassembled in a predetermined change position. Since when changing the caliber group only the locking head must be replaced, also the cost can be reduced.

In einer besonders zweckmäßigen Ausführungsform ist in dem auswechselbaren Verriegelungskopf ein mit dem Schlagstück zusammenwirkender Schlagbolzen angeordnet. Dadurch ergibt sich der Vorteil, dass die Waffe beim Ausbau des Verriegelungskopfs funktionsuntüchtig ist und somit gefahrlos transportiert werden kann. Damit kann auf relativ einfache Weise eine höchstmögliche Sicherheit gewährleistet werden.In a particularly expedient embodiment, a striker which cooperates with the striking piece is arranged in the exchangeable locking head. This results in the advantage that the weapon is dysfunctional when removing the locking head and thus can be transported safely. Thus, the highest possible security can be ensured in a relatively simple manner.

Bei einer einfach montier- und demontierbaren Ausführung sind der Verriegelungskopf und die Hülse der Kammer über eine Steckverbindung miteinander verbindbar. Die Steckverbindung kann zweckmäßigerweise aus einer z.B. als T-Nut ausgeführten Nut an der Hülse und einem dazu passenden Ansatz am Verriegelungskopf bestehen. Die Nut kann aber auch in entsprechender Weise an dem Verriegelungskopf und der Ansatz an der Hülse vorgesehen sein. Zweckmäßigerweise ist die Verbindung zwischen dem Verriegelungskopf und der Hülse derart ausgebildet, dass der Verriegelungskopf nur in einer Stellung eingebaut werden kann. Dadurch ist eine falsche Montage ausgeschlossen.In a simple to assemble and disassemble the locking head and the sleeve of the chamber via a plug connection are connected to each other. The connector may conveniently be made of e.g. exist as a T-groove groove on the sleeve and a matching approach to the locking head. The groove can also be provided in a corresponding manner to the locking head and the approach to the sleeve. Conveniently, the connection between the locking head and the sleeve is designed such that the locking head can be installed only in one position. As a result, a wrong assembly is excluded.

In einer weiteren vorteilhaften Ausführungsform ist vorgesehen, dass die Spanneinrichtung einen zwischen einer Spannstellung, einer Entspannstellung und einer Wechselstellung verschwenkbaren Spannhebel zur Verschiebung einer die Schlagstückfeder beaufschlagenden Spannstange enthält.In a further advantageous embodiment, it is provided that the clamping device contains a clamping lever pivotable between a clamping position, a relaxed position and a change position for displacing a tension rod acting on the striking piece spring.

Das Schlagstück und der mit ihm zusammenwirkende Schlagbolzen übernehmen eine Doppelfunktion, indem sie zum einen zur Auslösung eines Schusses dienen und zum anderen zusammen mit entsprechenden Öffnungen an der Verbindungsstelle von Verriegelungskopf und Hülse einen Sperrmechanismus zur Verhinderung eines unerwünschten Auseinanderbaus von Verriegelungskopf und Hülse bilden. In der Spannstellung des Spannhebels greift das vordere Ende des Schlagstücks in die Öffnung des Verriegelungskopfs ein, während in der Entspannstellung das hintere Ende des Schlagbolzens in die entsprechende Öffnung der Hülse ragt. Nur in einer vorgegebenen Wechselstellung steht weder das Schlagstück noch der Schlagbolzen vor, so dass in dieser Stellung ein Wechsel möglich ist.The hammer and cooperating with it firing pin take on a dual function, on the one hand serve to trigger a shot and on the other together with corresponding openings at the junction of the locking head and sleeve form a locking mechanism to prevent unwanted disassembly of locking head and sleeve. In the cocking position of the clamping lever engages the front end of the hammering piece in the opening of the locking head, while in the relaxed position, the rear end of the firing pin projects into the corresponding opening of the sleeve. Only in a given change position neither the hammer nor the firing pin is available, so that in this position a change is possible.

Weitere Besonderheiten und Vorzüge der Erfindung ergeben sich aus der folgenden Beschreibung eines bevorzugten Ausführungsbeispiels anhand der Zeichnung. Es zeigen:

Figur 1
ein Repetiergewehr mit einem Kammerverschluss zum Teil im Schnitt;
Figur 2
eine Kammer des in Figur 1 gezeigten Repetiergewehrs im Längsschnitt;
Figur 3
eine Hülse der in Figur 2 gezeigten Kammer in unterschiedlichen Ansichten;
Figur 4
einen auswechselbaren Verriegelungskopf der in Figur 2 gezeigten Kammer in unterschiedlichen Ansichten; und
Figur 5
eine Spanneinrichtung zum Spannen bzw. Entspannen einer Schlagstückfeder und zum Lösen eines Sperrmechanismus zwischen der Hülse und dem Verriegelungskopf der in Figur 2 gezeigten Kammer in unterschiedlichen Stellungen.
Other features and advantages of the invention will become apparent from the following description of a preferred embodiment with reference to the drawings. Show it:
FIG. 1
a repeating rifle with a chamber closure partly in section;
FIG. 2
a chamber of the repeating rifle shown in Figure 1 in longitudinal section;
FIG. 3
a sleeve of the chamber shown in Figure 2 in different views;
FIG. 4
a replaceable locking head of the chamber shown in Figure 2 in different views; and
FIG. 5
a tensioning device for tensioning or relaxing a striking piece spring and for releasing a locking mechanism between the sleeve and the locking head of the chamber shown in Figure 2 in different positions.

Das in Figur 1 schematisch dargestellte Repetiergewehr enthält eine Gehäuse 1 mit einer Kammerhülse 2 und einer Abzugseinrichtung 3, einen am Gehäuse 1 befestigten und an die Kammerhülse 2 anschließenden Lauf 4, einen am hinteren Ende des Gehäuses 1 befestigten Hinterschaft 5 und einen an der Unterseite des Laufs 4 angeordneten Vorderschaft 6. In der Kammerhülse 2 ist eine in Figur 2 vergrößert dargestellte Kammer 7 in der Waffenlängsrichtung verschiebbar und um ihre Längsachse drehbar geführt.The repeating rifle shown schematically in Figure 1 includes a housing 1 with a chamber sleeve 2 and a trigger device 3, a fixed to the housing 1 and the chamber sleeve 2 subsequent run 4, attached to the rear end of the housing 1 butt shaft 5 and one at the bottom of the Run 4 arranged forearm 6. In the Chamber sleeve 2 is a chamber 7 shown enlarged in Figure 2 displaceable in the weapon longitudinal direction and rotatably guided about its longitudinal axis.

Wie aus Figur 2 hervorgeht, weist die Kammer 7 an ihrem vorderen Ende einen auswechselbaren Verriegelungskopf 8 und an ihrem hinteren Ende ein sogenanntes Schlösschen 9 auf. Der Verriegelungskopf 8 ist am vorderen Ende einer Hülse 10 über eine Steckverbindung seitlich einschiebbar angeordnet. In dem Verriegelungskopf 8 ist ein Schlagbolzen 11 axial verschiebbar geführt. Der Schlagbolzen 11 wird durch eine Rückholfeder 12 in eine zurückgeschobene hintere Stellung beaufschlagt. Durch einen in eine seitliche Abflachung 13 des Schlagbolzens 11 eingreifenden Querstift 14 in dem Verriegelungskopf 8 wird der Schlagbolzen 11 axial nach hinten gesichert und somit unverlierbar, jedoch bei Bedarf einfach demontierbar im Verriegelungskopf 8 gehalten. An dem Verriegelungskopf 8 sind in an sich bekannter Weise Verriegelungswarzen 15 zur Verriegelung der Kammer 7 vorgesehen.As is apparent from Figure 2, the chamber 7 at its front end a replaceable locking head 8 and at its rear end a so-called Schlösschen 9. The locking head 8 is arranged laterally inserted at the front end of a sleeve 10 via a plug connection. In the locking head 8, a firing pin 11 is guided axially displaceable. The firing pin 11 is acted upon by a return spring 12 in a pushed-back position. By engaging in a lateral flattening 13 of the firing pin 11 transverse pin 14 in the locking head 8, the firing pin 11 is axially secured to the rear and thus captive, but easily removable when needed in the locking head 8. On the locking head 8 locking lugs 15 are provided for locking the chamber 7 in a conventional manner.

In das hintere Ende der Hülse 10 ist ein zylindrischer Ansatz 16 eines Kammerstengels 17 eingesetzt. In eine hintere Öffnung 18 des Kammerstengels 17 greift ein Ansatz 19 des Schlösschens 9 ein. Innerhalb der Hülse 10 ist ein zu dem Schlagsbolzen 11 koaxiales stiftförmiges Schlagstück 20 axial verschiebbar geführt. Das Schlagstück 20 weist an seinem vorderen Ende einen in eine Öffnung 21 am vorderen Ende der Hülse 10 ragenden Zapfen 22 auf, der zur Anlage an dem hinteren Ende des Schlagbolzens 11 gelangt. In das hintere Ende des Schlagstücks 20 ist eine Schlagstückmutter 23 mit einem nach unten ragenden Rastansatz 24 eingeschraubt. Innerhalb des Schlagstücks 20 ist eine Schlagstückfeder 25 angeordnet, die sich mit ihrem vorderen Ende an einer inneren Anlagefläche 26 des Schlagstücks 20 und mit ihrem hinteren Ende am Vorderteil eines innerhalb des Schlagstücks 20 verschiebbar geführten Druckstücks 27 abstützt. Mit seiner hinteren Stirnseite liegt das Druckstück 27 an dem vorderen Ende einer Spannstange 28 an, die über einen Querstift 29 und eine entsprechende Nut 30 axial verschiebbar im Inneren der Schlagstückmutter 23 geführt ist. Die Verschiebung der Spannstange 28 erfolgt mit Hilfe eines Spannhebels 31, der um eine Achse 32 seitlich verschwenkbar in dem Schlösschen 9 nach hinten vorstehend angeordnet ist. Unterhalb des Spannhebels 31 ist außerdem ein Entspannknopf 33 zur Aufhebung einer Arretierung des Spannhebels 31 in einer Spannstellung vorgesehen.In the rear end of the sleeve 10, a cylindrical projection 16 of a chamber stem 17 is inserted. In a rear opening 18 of the chamber stem 17 engages a projection 19 of the castle 9 a. Within the sleeve 10 is a coaxial to the striking pin 11 pin-shaped hammer 20 is guided axially displaceable. The hammer 20 has at its front end a protruding into an opening 21 at the front end of the sleeve 10 pin 22 which comes to rest against the rear end of the firing pin 11. In the rear end of the hammering piece 20, a hammer nut 23 is screwed with a downwardly projecting locking lug 24. Within the striking piece 20, a percussion piece spring 25 is arranged, which is supported with its front end on an inner abutment surface 26 of the striking piece 20 and with its rear end on the front part of a slidably guided within the striking piece 20 pressure piece 27. With its rear end, the pressure piece 27 abuts against the front end of a tension rod 28, which is guided axially displaceably in the interior of the hammer nut 23 via a transverse pin 29 and a corresponding groove 30. The displacement of the tension rod 28 takes place with the aid of a tensioning lever 31, which is arranged so as to be able to pivot laterally about an axis 32 in the lock 9 to the rear. Below the clamping lever 31, a release button 33 is also provided for canceling a locking of the clamping lever 31 in a clamping position.

Wie in Figur 3 gezeigt, weist die Hülse 10 an ihrer Außenseite eine durchgehende Längsnut 34 und mehrere Abflachungen 35 auf. An dem vorderen Ende der Hülse 10 ist eine nur einseitig offene und an ihrem inneren Ende abgerundete T-Nut 36 mit einem vorderen schlankeren Aufnahmeschlitz 37 und einem hinteren breiteren Führungsschlitz 38 mit jeweils parallelen Seitenflächen und einer abgerundeten inneren Anlagefläche zur Aufnahme des in Figur 4 gezeigten Verriegelungskopfs 8 vorgesehen. An der Außenseite der quer zur Längsachse der Hülse 10 verlaufender T-Nut 26 ist ferner eine Einführungsschräge 39 zum Einschieben des Schlagbolzens 11 beim Einsetzen des Verrieglungskopfs 8 in die T-Nut 36 der Hülse 10 angebracht.As shown in Figure 3, the sleeve 10 on its outer side a continuous longitudinal groove 34 and a plurality of flats 35 on. At the front end of the sleeve 10 is a T-slot 36 which is open only on one side and rounded at its inner end, with a front slimmer receiving slot 37 and a rear wider guide slot 38 each having parallel side surfaces and a rounded inner abutment surface for receiving the one shown in FIG Locking head 8 is provided. On the outside of the transverse to the longitudinal axis of the sleeve 10 extending T-groove 26 is also an insertion bevel 39 for insertion of the firing pin 11 when inserting the Verrieglungskopfs 8 in the T-slot 36 of the sleeve 10 is attached.

Der in Figur 4 gesondert dargestellte Verriegelungskopf 8 enthält an seinem hinteren Ende einen beidseitig abgeflachten und oben abgerundeten stufenförmigen Ansatz 40, der zum Eingriff in die T-Nut 36 der Hülse 10 ausgebildet ist. Der Ansatz 40 enthält einen breiteren hinteren Teil 41 zum Eingriff in den Führungsschlitz 38 sowie einen schlankeren vorderen Teil 42 zum Eingriff in den Aufnahmeschlitz 37. Die Form des Ansatzes 40 ist so auf die T-Nut 36 abgestimmt, das er mit einem möglichst geringen axialen Spiel in die T-Nut 36 passt und in der vollständig eingeschobenen Funktionsstellung koaxial zur Hülse 10 ausgerichtet ist. An dem vorderen Teil des Verriegelungskopfs 8 sind die Verriegelungswarzen 15 angeordnet. In dem Verriegelungskopf 8 ist eine koaxiale Aufnahmeöffnung 43 zur Aufnahme des Schlagbolzens 11 und eine seitliche Bohrung 44 für den Querstift 14 vorgesehen. Das hintere Ende der Aufnahmeöffnung 43 weist denselben Durchmesser wie die im vorderen Ende der Hülse 10 angeordnete Öffnung 21 für den vorderen Zapfen 22 des Schlagstücks 20 auf. Auch der innerhalb der Öffnung 21 geführte Zapfen 22 und das hintere Ende des Schlagbolzens 11 haben denselben Durchmesser.The locking head 8 shown separately in Figure 4 includes at its rear end a flattened on both sides and rounded top stepped projection 40 which is formed for engagement in the T-groove 36 of the sleeve 10. The lug 40 includes a wider rear portion 41 for engaging the guide slot 38 and a slimmer front portion 42 for engaging the receiving slot 37. The shape of the lug 40 is tuned to the T-slot 36, which it has the least possible axial Match fits into the T-slot 36 and is aligned coaxially with the sleeve 10 in the fully inserted functional position. At the front part of the locking head 8, the locking lugs 15 are arranged. In the locking head 8, a coaxial receiving opening 43 for receiving the firing pin 11 and a lateral bore 44 for the transverse pin 14 is provided. The rear end of the receiving opening 43 has the same diameter as the arranged in the front end of the sleeve 10 opening 21 for the front pin 22 of the hammer 20 on. Also, guided within the opening 21 pin 22 and the rear end of the firing pin 11 have the same diameter.

In Figur 5 ist die Spanneinrichtung gezeigt, durch die einerseits die Schlagstückfeder 25 gespannt bzw. entspannt und andrerseits der durch den Schlagbolzen 11 und das Schlagstück 20 sowie die zugehörigen Öffnungen 21 bzw. gebildete Sperrmechanismus zwischen dem Verriegelungskopf 8 und der Hülse 10 zum Wechseln des Verriegelungskopfs 8 gelöst werden kann. In den oberen Darstellungen der Figur 5 befindet sich der Spannhebel 31 in einer Entspannstellung, in der die Schlagstückfeder 25 entspannt ist. In den mittleren Darstellungen der Figur 5 befindet sich der Spannhebel 31 in einer Wechselstellung, in der ein Wechsel des Verriegelungskopfs 8 ermöglicht wird. Die unteren Darstellungen der Figur 5 zeigen die Spannstellung, bei der die Schlagstückfeder 25 gespannt ist.In Figure 5, the tensioning device is shown by the one hand, the striker spring 25 tensioned or relaxed and on the other hand, formed by the firing pin 11 and the hammer 20 and the associated openings 21 and locking mechanism between the locking head 8 and the sleeve 10 for changing the locking head 8 can be solved. In the upper representations of FIG. 5, the tensioning lever 31 is in a relaxed position, in which the striking piece spring 25 is relaxed. In the middle representations of Figure 5, the clamping lever 31 is in a change position in which a change of Locking head 8 is made possible. The lower illustrations of Figure 5 show the clamping position in which the Schlagstückfeder 25 is tensioned.

Wie aus Figur 5 hervorgeht, ist der an einen innerhalb des Schlösschens 9 um die Achse 32 drehbar angeordneten scheibenförmigen Teil 45 des Spannhebels 31 ein zur Achse 32 seitlich versetzter Gelenkhebel 46 mittels eines Zapfens 47 in Art einer Kurbelschwinge angelenkt. Das vordere freie Ende des nur einseitig angelenkten Gelenkhebels 46 greift in eine nach innen abgerundete Vertiefung 48 an der Rückseite der Spannstange 28 ein. An der Rückseite der Spannstange 28 ist ferner ein nach hinten vorstehender und zur Längsachse seitlich versetzter Ansatz 49 angeformt, der bei der in der mittleren Darstellung von Figur 5 gezeigten Entspannstellung des Spannhebels 32 zum Anlage mit einer vorderen schrägen Steuerfläche 50 des Spannhebels 32 kommt. Die Steuerfläche 50 ist derart ausgebildet, daß die Spannstange 28 beim Verschwenken des Spannhebels 32 aus der Entspannstellung in die Wechselstellung nach vorne verschoben wird. Der Spannhebel 32 weist an seiner Unterseite eine Ausnehmung 51 auf, in die ein auch in Figur 2 gezeigter oberer Sperrzapfen 52 des Entspannknopfs 33 eingreift. Die Ausnehmung 51 ist derart geformt, dass der Spannhebel 32 nur dann in die Entspannstellung bewegt werden kann, wenn der Entspannknopf 33 gedrückt ist. Dies geht besonders aus der unteren Darstellung der Figur 5 hervor.As can be seen from FIG. 5, the articulated lever 46, which is laterally offset relative to the axis 32, is hinged to a disc-shaped part 45 of the clamping lever 31 that is rotatable about the axis 32 within the latch 9 by means of a pin 47 in the manner of a crank rocker. The front free end of the articulated lever articulated only on one side 46 engages in an inwardly rounded recess 48 on the back of the tension rod 28 a. At the back of the tension rod 28 is further formed a rearwardly projecting and laterally offset to the longitudinal axis approach 49 which comes in the shown in the middle view of Figure 5 relaxation position of the clamping lever 32 for engagement with a front oblique control surface 50 of the clamping lever 32. The control surface 50 is formed such that the clamping rod 28 is displaced during pivoting of the clamping lever 32 from the relaxed position in the change position to the front. The clamping lever 32 has on its underside a recess 51 into which engages a shown in Figure 2 upper locking pin 52 of the release button 33. The recess 51 is shaped such that the clamping lever 32 can only be moved into the relaxation position when the release button 33 is pressed. This is apparent in particular from the lower illustration of FIG.

Die Funktionsweise des vorstehend beschriebenen Verschlusses wird im Folgenden anhand der Figuren 2 und 5 erläutert.The mode of operation of the closure described above will be explained below with reference to FIGS. 2 and 5.

In Figur 2 ist die Kammer 7 in einer entspannten Stellung gezeigt. In dieser Stellung ist die Schlagstückfeder 25 entspannt und das Schlagstück 20 wird durch die Kraft der Rückstellfeder 12 in eine zurückgezogene Position gedrückt. In dieser zurückgezogenen Position liegt die mit dem Schlagstück 20 fest verbundene Schlagstückmutter 23 mit ihren hinteren Ende an einer inneren Kante 54 des Schlösschen 9 an und der nach unten vorstehende Rastansatz 24 ist von einem Abzugsstollen 53 mit einem vorgegebenen Abstand X beabstandet. In dieser auch in der oberen Darstellung von Figur 5 gezeigten Stellung weist die hintere Stirnfläche des Druckstücks 27 einen geringen Abstand L1 von der vorderen Stirnfläche der Schlagstückmutter 23 auf. Der in der Öffnung 21 verschiebbare vordere Zapfen 22 des Schlagstücks 20 ist in dieser Stellung gegenüber einer vorderen Anlagefläche 55 der Hülse 10 um den Betrag L2 zurückgezogen. Dadurch ragt auch das hintere Ende des Schlagbolzens 11 in die Öffnung 21 der Hülse 20 hinein und verhindert, dass der Verriegelungskopf 8 in dieser Stellung gewechselt werden kann.In Figure 2, the chamber 7 is shown in a relaxed position. In this position, the striker spring 25 is relaxed and the striker 20 is urged by the force of the return spring 12 in a retracted position. In this retracted position, the hammer piece 20 fixedly connected with the hammer 20 rests with its rear end against an inner edge 54 of the box 9 and the downwardly projecting latching projection 24 is spaced from a sear 53 by a predetermined distance X. In this position, which is also shown in the upper illustration of FIG. 5, the rear end face of the pressure piece 27 has a small distance L 1 from the front end face of the hammer nut 23. The displaceable in the opening 21 front pin 22 of the hammer 20 is retracted in this position relative to a front abutment surface 55 of the sleeve 10 by the amount L 2 . This also protrudes the rear end of the Striker 11 in the opening 21 of the sleeve 20 and prevents the locking head 8 can be changed in this position.

Beim Verschwenken des Spannhebels 31 in die in der Mitte von Figur 5 dargestellte Wechselstellung wird die Spannstange 28 durch die Steuerfläche 50 des Spannhebels 31 nach vorne geschoben, so dass sich ein größerer Abstand L3 zwischen der hinteren Stirnfläche des Druckstücks 27 und der vorderen Stirnfläche der Schlagstückmutter 23 ergibt. Dabei wird auch der vordere Zapfen 22 des Schlagstücks 20 so nach vorne geschoben, dass seine vordere Stirnfläche mit der vorderen Anlagefläche 55 der Hülse 10 bündig abschließt. Damit greift auch das hintere Ende des Schlagbolzens 11 nicht mehr in die Öffnung 21 der Hülse 20 ein und der Verriegelungskopf 8 kann seitlich herausgeschoben werden. In dieser Stellung ist das vordere Ende des Gelenkhebels 46 außer Eingriff mit der Vertiefung 48 an der Rückseite der Spannstange 28.When pivoting the clamping lever 31 in the change position shown in the middle of Figure 5, the tension rod 28 is pushed by the control surface 50 of the clamping lever 31 forward, so that a larger distance L 3 between the rear end face of the pressure piece 27 and the front end face of Hammer nut 23 results. In this case, the front pin 22 of the hammering piece 20 is pushed forward so that its front end face with the front abutment surface 55 of the sleeve 10 is flush. Thus, the rear end of the firing pin 11 no longer engages in the opening 21 of the sleeve 20 and the locking head 8 can be pushed out laterally. In this position, the front end of the articulated lever 46 is out of engagement with the recess 48 at the back of the tension rod 28th

Beim Verschwenken des Spannhebels 31 in die in Figur 5 unten dargestellten Spannstellung wird die Spannstange 28 durch den Gelenkhebel 46 nach vorne gedrückt. Sobald der in Figur 2 gezeigte Rastansatz 24 der Schlagstückmutter 23 zur Anlage an dem Abzugsstollen 53 kommt, wird die Schlagstückfeder 25 gespannt. Bei der in Figur 5 unten dargestellten Spannstellung weist die hintere Stirnfläche des Druckstücks 27 einen Abstand L4 > L3 von der vorderen Stirnfläche der Schlagstückmutter 23 auf. In der gezeigten Spannstellung steht der Zapfen 22 des Schlagstücks 20 mit dem Abstand L5 von der vorderen Anlagefläche 55 der Hülse 10 vor und greift somit in die Aufnahmeöffnung 43 des Verriegelungskopfs 8 ein. Somit kann der Verriegelungskopf 8 auch in dieser Stellung nicht gewechselt werden.When pivoting the clamping lever 31 in the clamping position shown in Figure 5 below, the tension rod 28 is pressed by the articulated lever 46 to the front. As soon as the latching lug 24 of the hammer nut 23 shown in FIG. 2 comes into contact with the sear 53, the hammer action spring 25 is tensioned. In the clamping position shown in Figure 5 below, the rear end face of the pressure piece 27 has a distance L 4 > L 3 from the front end face of the hammer nut 23 on. In the clamping position shown, the pin 22 of the striking piece 20 protrudes with the distance L 5 from the front contact surface 55 of the sleeve 10 and thus engages in the receiving opening 43 of the locking head 8 a. Thus, the locking head 8 can not be changed in this position.

Claims (14)

  1. Breech mechanism of a repeating weapon with a chamber (7) which is rotatable in a chamber sleeve (2) about its longitudinal axis and guided so as to be displaceable axially in the longitudinal direction of the weapon and comprises a sleeve (10), a firing pin piece (20) which is arranged so as to be displaceable axially in the sleeve (10), and a cocking device (28, 31, 46) for cocking and uncocking a firing pin piece spring (25) acting on the firing pin piece (20), characterised in that the chamber (7) comprises an interchangeable locking head (8) and a locking mechanism which can be released by the cocking device (28, 31, 46) to fix the locking head (8) on the sleeve (10).
  2. Breech mechanism according to claim 1, characterised in that a firing pin (11) co-operating with the firing pin piece (20) is arranged in the interchangeable locking head (8).
  3. Breech mechanism according to claim 2, characterised in that the firing pin (11) is subject to the action of a return spring (12) and arranged secured axially to the rear inside the locking head (8).
  4. Breech mechanism according to one of claims 1 to 3, characterised in that the locking head (8) can be connected to the sleeve (10) by means of a plug-in connection (36, 40).
  5. Breech mechanism according to claim 4, characterised in that the plug-in connection (36, 40) consists of a slot (36) arranged in the sleeve (10) and a matching projection (40) on the locking head (8).
  6. Breech mechanism according to one of claims 2 to 5, characterised in that the locking mechanism (11, 20) is formed by the firing pin piece (20) and the firing pin (11) co-operating with the latter in the locking head (8) .
  7. Breech mechanism according to one of claims 1 to 6, characterised in that the cocking device (28, 31, 46) comprises a cocking lever (31) which is pivotable between a cocking position, an uncocking position and a changing position, and a cocking rod (28) which is displaceable by the latter to act on the firing pin piece spring (25).
  8. Breech mechanism according to claim 7, characterised in that the cocking device (28, 31, 46) comprises a thrust element (27) which is arranged between the cocking rod (28) and the firing pin piece spring (25).
  9. Breech mechanism according to claim 7 or 8, characterised in that the cocking device (28, 31, 46) comprises a linking lever (46) which is articulated to the cocking lever (31) and comes to bear on the cocking rod (28) to connect the cocking lever (31) to the cocking rod (28) when the cocking lever (31) is pivoted between the uncocking position and the cocking position.
  10. Breech mechanism according to one of claims 7 to 9, characterised in that the cocking device (28, 31, 46) comprises a control surface (50) which is arranged on the cocking lever (31) and comes to bear on a projection (49) on the cocking rod (28) to connect the cocking lever (31) to the cocking rod (28) when the cocking lever (31) is pivoted between the uncocking position and the changing position.
  11. Breech mechanism according to claim 9 or 10, characterised in that the linking lever (46) is articulated to the cocking lever (31) on one side and engages at its free end in a recess (48) at the rear of the cocking rod (28).
  12. Breech mechanism according to one of claims 7 to 11, characterised in that the cocking lever (31) has an associated detent device (33, 51, 52) for releasable fixture of the cocking lever (31) in the cocking position.
  13. Breech mechanism according to claim 12, characterised in that the detent device (33, 51, 52) comprises an uncocking button (33) which is arranged underneath the cocking lever (31).
  14. Repeating weapon, in particular repeating rifle, characterised in that it comprises a breech mechanism according to one of claims 1 to 13.
EP04015471A 2003-07-21 2004-07-01 Breech block for an automatic firearm Not-in-force EP1500897B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04015471T PL1500897T3 (en) 2003-07-21 2004-07-01 Breech block for an automatic firearm

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10332962 2003-07-21
DE10332962A DE10332962B3 (en) 2003-07-21 2003-07-21 Breech for a repeating rifle comprises a chamber containing an exchangeable locking head and a locking mechanism released by a clamping device for holding the locking head on a bushing

Publications (2)

Publication Number Publication Date
EP1500897A1 EP1500897A1 (en) 2005-01-26
EP1500897B1 true EP1500897B1 (en) 2007-03-28

Family

ID=32921182

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04015471A Not-in-force EP1500897B1 (en) 2003-07-21 2004-07-01 Breech block for an automatic firearm

Country Status (11)

Country Link
US (1) US7185454B2 (en)
EP (1) EP1500897B1 (en)
AT (1) ATE358266T1 (en)
CA (1) CA2475221C (en)
DE (2) DE10332962B3 (en)
DK (1) DK1500897T3 (en)
ES (1) ES2281718T3 (en)
NO (1) NO328662B1 (en)
PL (1) PL1500897T3 (en)
RU (1) RU2276315C2 (en)
UA (1) UA79103C2 (en)

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Publication number Priority date Publication date Assignee Title
US7155856B1 (en) * 2005-04-05 2007-01-02 Kimber Ip, Llc Integral locking system for rifle
DE102007023332B3 (en) * 2007-05-17 2008-10-23 Voere-Kgh M.B.H. Chamber closure for firearm, has clamping device retained in clamping condition by locking device, and firing pin spring again clamped by avoiding locking effect of locking device during pressing of press button
DE202007007108U1 (en) * 2007-05-17 2007-08-30 Voere-Kgh M.B.H. Chamber closure with push-button striker spring tensioning device
DE102010000617B4 (en) 2010-03-03 2012-02-23 Al Hail Holding Llc Repeater rifle with replaceable barrel closure group
DE202011002579U1 (en) 2011-02-10 2012-05-11 Blaser Finanzholding Gmbh Closure for a repeater weapon
DE102011010858A1 (en) 2011-02-10 2012-08-16 Blaser Finanzholding Gmbh Closure i.e. rotating chamber closure, for repeating rifle, has control element formed as cocking lever that is displaceable between lower release position and upper clamping position at rear side of cocking-piece
US8590197B1 (en) * 2011-05-04 2013-11-26 Primary Weapons Firearm conversion assembly and method
CN106767134B (en) * 2016-12-26 2018-06-29 重庆建设工业(集团)有限责任公司 A kind of shotgun M16 systems Gunlock structure
RU2677165C1 (en) * 2017-12-18 2019-01-15 Акционерное общество "Центральный научно-исследовательский институт точного машиностроения" (АО "ЦНИИТОЧМАШ") Bolt for small arms
US10989494B1 (en) 2019-05-20 2021-04-27 Bootleg Inc. Firearm handguard system
DE102022102808A1 (en) * 2022-02-07 2023-08-10 Blaser Group Gmbh Chamber of a handgun

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NL2787C (en) * 1913-03-31
BE475796A (en) * 1945-09-14
US3106033A (en) * 1958-11-20 1963-10-08 Savage Arms Corp Firing mechanism with sear safety indicator
US3631620A (en) * 1968-06-29 1972-01-04 Howa Machinery Ltd Bolt of bolt-action firearms
DE2238120A1 (en) * 1972-08-03 1974-02-14 Voere Schwarzwaelder Jagd Und CYLINDER CAP FOR HUNTING AND SPORTS RIFLES
AT363820B (en) * 1980-03-14 1981-09-10 Kepplinger Johann DEVICE FOR CHANGING THE VOLTAGE OF THE SPRING OF HAND FIREARMS WHICH HIT THE PISTON PIN
US5755056A (en) * 1996-07-15 1998-05-26 Remington Arms Company, Inc. Electronic firearm and process for controlling an electronic firearm

Also Published As

Publication number Publication date
DE502004003328D1 (en) 2007-05-10
US7185454B2 (en) 2007-03-06
DE10332962B3 (en) 2004-09-30
NO328662B1 (en) 2010-04-19
NO20042957L (en) 2005-01-24
RU2276315C2 (en) 2006-05-10
CA2475221A1 (en) 2005-01-21
ATE358266T1 (en) 2007-04-15
US20050188577A1 (en) 2005-09-01
ES2281718T3 (en) 2007-10-01
RU2004122070A (en) 2006-02-10
CA2475221C (en) 2009-09-22
PL1500897T3 (en) 2007-08-31
EP1500897A1 (en) 2005-01-26
DK1500897T3 (en) 2007-07-30
UA79103C2 (en) 2007-05-25

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