EP0309439B1 - Firing mechanism for an automatic hand-gun - Google Patents

Firing mechanism for an automatic hand-gun Download PDF

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Publication number
EP0309439B1
EP0309439B1 EP88890232A EP88890232A EP0309439B1 EP 0309439 B1 EP0309439 B1 EP 0309439B1 EP 88890232 A EP88890232 A EP 88890232A EP 88890232 A EP88890232 A EP 88890232A EP 0309439 B1 EP0309439 B1 EP 0309439B1
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EP
European Patent Office
Prior art keywords
lever
trigger
hammer
levers
movement
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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.)
Expired - Lifetime
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EP88890232A
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German (de)
French (fr)
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EP0309439A1 (en
Inventor
Friedrich Aigner
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Steyr Daimler Puch AG
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Steyr Daimler Puch AG
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Publication of EP0309439A1 publication Critical patent/EP0309439A1/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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/42—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having at least one hammer
    • F41A19/43—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having at least one hammer in bolt-action guns
    • F41A19/46—Arrangements for the selection of automatic or semi-automatic fire

Definitions

  • the invention relates to a trigger device for automatic handguns, with a cock exciting when the breech closes, a breech controlled by the breech, which locks the cock during the breech procedure, a trigger slide which can be moved from a starting position into a single and a continuous fire position by the trigger against spring force and depending on the trigger slide position penetrating into the path of movement of a tap approach, interacting as a trigger and breaker lever pair.
  • the tap is released by moving the trigger across a tap, while at the same time the interrupter penetrates the path of this tap and automatically catches the tap in the cocked position during the next return movement, so that only one shot can break at a time.
  • the trigger is released, the trigger is moved back, which now engages over the tap approach, while the interrupter leaves the approach path after the tap approach has been transferred to the trigger.
  • triggers and interrupters have either been designed as standing levers which can be pivoted about transverse axes (AR-15, M 16 ASSAULT RIFLE HANDBOOK, FIREPOWER PUBLICATIONS, 1985, pages 108 and 109) or as push-adjustable levers (EP-OS184581), so that there is a considerable height and a corresponding distance between the handle and recoil line of action, which affects the handiness and accuracy of the weapon.
  • the known trigger devices are complex and are composed of expensive precision parts to be manufactured with narrow tolerances.
  • the invention is therefore based on the task of eliminating these deficiencies and creating a trigger device of the type described above, which is characterized by its as short and short construction as possible, from proportionally there are simple, rationally manufactured parts and a reliable trigger actuation that is not susceptible to faults.
  • the invention solves this problem in that the trigger and interrupter levers are pivotally mounted about a common upright axis of rotation and form a control link between one another by mutually opposite control edges, in which a sliding block movable via the trigger slide engages, the control movement of the sliding block relative to the control edges of the control link when pulling the trigger the pair of levers against the force of a return spring from a starting position, in which the trigger lever detects the cocking of the cocked cock, into a single fire position, in which the triggering lever releases the cocking neck and the interrupter lever penetrates into its approach path, or can be pivoted into a continuous fire position, in which Both levers release the tap approach, trigger and interrupter lever result in a kind of lying scissors, which is very flat and short and works exactly through a comparatively simple setting control.
  • the trigger and interrupter lever can be pivoted relative to one another and in relation to the hammer approach path depending on the individual or continuous firing position, so that the levers perform their tasks as a trigger and interrupter in a robust and functional manner Fulfill single fire and continuous fire perfectly.
  • the sliding block which is preferably designed as a control roller, is seated on a control lever which is pivotably mounted on one end about a parallel axis to the axis of rotation of the pair of levers and on the other hand engages in a driving slot of the trigger slide.
  • the catch surface of the interrupter lever assigned to the tap approach is offset in relation to that of the trigger lever in the opposite direction of the tap, a safe transfer of the cock caught by the interrupter lever to the trigger lever is ensured, since the trigger lever in any case up to its point due to its recessed catch surface proper swing position can swing into the hammer approach path before the interrupter releases the approach and this is only held by the trigger lever.
  • a simple construction also results if a leg spring which compresses the pair of levers serves as a return spring and a fuse is provided which fixes the trigger lever in the starting position.
  • the leg spring guarantees the perfect interaction between the control edges and the sliding block and the securing prevents the trigger lever from swiveling unintentionally in the initial position in the event of vibration and the like.
  • the fuse can advantageously consist of a stop-limited on the control lever and pivotably mounted against spring force, two-armed locking lever, one lever arm protruding into the path of movement of the stopcock forming a sliding surface on the side facing away from the closure and the other lever arm or a detent locking in the starting position with the release lever. the like having. If the control lever is in the starting position, there is therefore inevitably also a mechanical locking of the trigger lever, which is released automatically when the control lever is pivoted for firing the shot. However, in order not to prevent the release lever, the locking lever is pushed aside by the tensioning cock and the lock is briefly opened so that the trigger lever with its catch surface can dodge the tap approach and the unimpeded tensioning of the tap and its catch by the interrupter lever.
  • a trigger device for an automatic handgun (not shown) with a tap firing consists of a housing 1, in which a cock 4 loaded by a cock spring 3 is pivotally mounted about a horizontal axis 2.
  • the cock 4 is tensioned when the closure 5, which is only indicated, drops and is locked by a closure-controlled fire lever 6 during the closure process by reaching under a catch nose 4a by means of a hook part 7.
  • a trigger slide 8 is guided against the force of a trigger spring 9 from an initial position to a single and a continuous fire position, which trigger slide 8 is operatively connected to the trigger in a manner not shown.
  • a control lever 10 is now pivoted via the trigger slide 8, which is pivotally mounted on one end about a vertical axis of rotation 11 and on the other hand engages in a driving slot 12 of the trigger slide 8.
  • On the control lever 10 is a control roller 13 serving as a sliding block, which is formed between a pair of levers 14, 15 Control link 6 engages.
  • This pair of levers is composed of the trigger lever 14 and the interrupter lever 15 and is pivotably mounted about a common vertical axis 17, wherein a leg spring 18 presses the lever pair 14, 15 against each other.
  • the closure 5 In the initial position shown in FIG. 2, the closure 5 is in the forward position and the continuous fire lever 6 releases the cock 4 that is cocked, which is now caught by the trigger lever 14, which engages over a cock extension 21 with a corresponding catch surface 22.
  • the interrupter lever 15 lies with its catch surface 23 outside the movement path of the tap attachment 21. The weapon is ready to fire.
  • the control lever 10 pivots about the pivot axis 11 and the moving control roller 13 presses the trigger lever 14 outwards, so that the cock 4 is released and can trigger the shot (Fig. 3).
  • the interruption lever 15 moves inward through the return spring 18 and penetrates into the path of this tap attachment 21, so that the tap 4 again tensioned by the retracting closure with its tap attachment 21, which has a corresponding sliding surface, pivots back must displace the interrupter lever 15, which in turn immediately resumes its catch position (Fig. 4).
  • the catch surface 23 of the interrupter lever 15 catches the tap attachment 21.
  • a second shot is no longer possible when the trigger is pulled and only a release and renewed actuation of the trigger allows the next shot to be fired.
  • the trigger spring 9 pushes the trigger slide 8 back into the starting position; the control roller 13 pivots back and presses the interrupter lever 15 away from the tap shoulder 21, so that the interrupter lever 15 transfers the tap 4 to the trigger lever 14 which has been swiveled in in the meantime.
  • the catch surfaces 22, 23 of the trigger and interrupter lever 14, 15 are offset in height from one another, which can be seen from FIG. 1. After the transfer, the cock 4 is again held only by the trigger lever 14 (Fig. 2), so that the next shot can be fired.
  • the trigger slide 8 must be moved beyond its individual fire position into its continuous fire position, as indicated in FIG. 5, whereby the control lever 10 is pivoted accordingly and the control roller 13 the lever pair 14, 15 until the tap approach is fully released 21 opens.
  • the continuous fire lever 5 alone determines the locking and releasing of the tap 4, so that continuous fire is fired as long as the trigger remains actuated. Letting go of the trigger brings the trigger slide 8 back into the starting position and the control roller 13 in turn allows the pair of levers 14, 15 to engage in the trigger sequence, so that the next time the cock 4 is pivoted back, the stopper 21 is gripped by the interrupter 15 and transferred to the trigger lever 14 . 2 has been reached again.
  • This fuse consists of a two-armed locking lever 25 which is pivotally mounted coaxially to the control roller 13 on the control lever 10 and is held in a locking position by a locking spring 26 relative to the control lever 10. In this locking position, in which one lever arm 27 of the locking lever lies covering above the control lever, in the starting position of the pair of levers 14, 15, a locking lug 28 of the release lever 14 is positively gripped by a locking recess 29 of the locking lever and locks it mechanically (FIG. 6) .
  • the second lever arm 30 of the locking lever 25 projects into the path of the tap attachment 21. If the trigger is now actuated and the control lever 10 is pivoted, the locking lever 25 is also forced to move with the control lever 10 and the lock is released in time for the release of the release lever 14 (FIG. 7). Since the lever arm 30 also comes out of the path of the hammer projection 21 with this pivoting movement, the shot is fired properly. Releasing the trigger brings the control lever 10 back into the starting position and the catch consisting of the locking lug 28 and the locking recess 29 is locked again. However, the pivoting back cock 4 can now briefly open the locking mechanism by pushing the locking lever 25 against the force of the locking spring 26 (dash-dotted representation in FIG. 6) by its sliding surface 31 assigned to the lever arm 30 during its tensioning movement in order to release the trigger lever despite the securing means 24 14 move to the side and then swivel until locked by the fire lever 6.

Description

Die Erfindung bezieht sich auf eine Abzugsvorrichtung für automatische Handfeuerwaffen, mit einem sich bei Verschlußrückgang spannenden Hahn, einem vom Verschluß gesteuerten, den Hahn während des Verschlußvorgehens sperrenden Dauerfeuerhebel, einem durch den Abzug gegen Federkraft aus einer Ausgangsstellung in eine Einzel- und eine Dauerfeuerstellung verschiebbaren Abzugsschieber und einem in Abhängigkeit von der Abzugsschieberstellung in die Bewegungsbahn eines Hahnansatzes eindringenden, als Auslöser und Unterbrecher zusammenwirkenden Hebelpaar.The invention relates to a trigger device for automatic handguns, with a cock exciting when the breech closes, a breech controlled by the breech, which locks the cock during the breech procedure, a trigger slide which can be moved from a starting position into a single and a continuous fire position by the trigger against spring force and depending on the trigger slide position penetrating into the path of movement of a tap approach, interacting as a trigger and breaker lever pair.

Diese mit einer sogenannten Hahnschlagzündung ausgerüsteten Abzugsvorrichtungen erlauben es, bei Dauerfeuer den jeweils durch den zurückgehenden Verschluß gespannten Hahn mittels des Dauerfeuerhebels solange zu sperren, bis der wieder vorgehende Verschluß verriegelt, worauf der Dauerfeuerhebel verschlußgesteuert den Hahn freigibt und der vorschnellende Hahn über einen Zündstift od.dgl. die Patrone zündet. Bei Dauerfeuer wiederholt sich dieser Vorgang, während der Abzug gezogen ist, fortlaufend und erst ein Loslassen des Abzuges bringt den Unterbrecher und den Auslöser ins Spiel, die wie bei Einzelfeuer den gespannten Hahn fangen und unabhängig vom Dauerfeuerhebel erst durch neuerliches Betätigen des Abzuges wieder freigeben. Bei Einzelfeuer wird der Hahn durch Bewegen des einen Hahnansatz übergreifenden Auslösers freigegeben, während gleichzeitig der Unterbrecher in die Bahn dieses Hahnansatzes eindringt und den Hahn bei der nächsten Rückbewegung automatisch in der gespannten Lage fängt, so daß jeweils nur ein Schuß brechen kann. Ein Loslassen des Abzugs bringt eine Rückbewgung des Auslösers mit sich, der nun den Hahnansatz wieder übergreift, während der Unterbrecher nach Übergabe des Hahnansatzes an den Auslöser die Ansatzbahn wieder verläßt.These trigger devices, equipped with a so-called tap impact ignition, make it possible to block the cock cocked by the retracting closure by means of the continuous fire lever in the event of continuous fire until the previous lock locks, whereupon the continuous fire lever releases the tap in a controlled manner and the advancing tap via an ignition pin or the like. the like the cartridge ignites. With continuous fire, this process repeats itself continuously while the trigger is pulled and only when the trigger is released does the interrupter and the trigger come into play, the like in the case of a single fire, catch the cocked cock and only release it again, regardless of the continuous fire lever, by pressing the trigger again. In the case of a single fire, the tap is released by moving the trigger across a tap, while at the same time the interrupter penetrates the path of this tap and automatically catches the tap in the cocked position during the next return movement, so that only one shot can break at a time. When the trigger is released, the trigger is moved back, which now engages over the tap approach, while the interrupter leaves the approach path after the tap approach has been transferred to the trigger.

Bisher sind nun Auslöser und Unterbrecher entweder als stehende und um querliegende Achsen schwenkbare Hebel ausgebildet (AR-15, M 16 ASSAULT RIFLE HANDBOOK, FIREPOWER PUBLICATIONS, 1985, Seiten 108 und 109) oder als schiebeverstellbare Hebel ausgebildet (EP-OS184581), so daß sich eine beträchtliche Bauhöhe und ein entsprechender Abstand zwischen Griff und Rückstoß-Wirkungslinie ergeben, was die Handlichkeit und Treffsicherheit der Waffe beeinträchtigt. Darüber hinaus sind die bekannten Abzugsvorrichtungen aufwendig und setzen sich aus teuren, mit engen Toleranzen herzustellenden Präzisionsteilen zusammen.So far, triggers and interrupters have either been designed as standing levers which can be pivoted about transverse axes (AR-15, M 16 ASSAULT RIFLE HANDBOOK, FIREPOWER PUBLICATIONS, 1985, pages 108 and 109) or as push-adjustable levers (EP-OS184581), so that there is a considerable height and a corresponding distance between the handle and recoil line of action, which affects the handiness and accuracy of the weapon. In addition, the known trigger devices are complex and are composed of expensive precision parts to be manufactured with narrow tolerances.

Der Erfindung liegt daher die Aufabe zugrunde, diese Mängel zu beseitigen und eine Abzugsvorrichtung der eingangs geschilderten Art zu schaffen, die sich durch ihre möglichst niedrige und kurze Bauweise auszeichnet, aus verhältnismäßig einfachen, rationell zu fertigenden Teilen besteht und eine störunanfällige, zuverlässige Abzugsbetätigung gewährleistet.The invention is therefore based on the task of eliminating these deficiencies and creating a trigger device of the type described above, which is characterized by its as short and short construction as possible, from proportionally there are simple, rationally manufactured parts and a reliable trigger actuation that is not susceptible to faults.

Die Erfindung löst diese Aufgabe dadurch, daß Auslöserund Unterbrecherhebel um eine gemeinsame aufrechtstehende Drehachse schwenkbar gelagert sind und zwischen einander durch einander gegenüberliegende Steuerkanten eine Steuerkulisse bilden, in die ein über den Abzugsschieber bewegbarer Kulissenstein eingreift, wobei die Steuerbewegung des Kulissensteins relativ zu den Steuerkanten der Steuerkulisse beim Ziehen des Abzuges das Hebelpaar gegen die Kraft einer Rückholfeder aus einer Ausgangsstellung, in der der Auslöserhebel den Hahnansatz des gespannten Hahnes erfaßt, in eine Einzelfeuerstellung, in der der Auslöserhebel den Hahnansatz freigibt und der Unterbrecherhebel in deren Ansatzbahn eindringt, oder in eine Dauerfeuerstellung verschwenkbar ist, in der beide Hebel den Hahnansatz freigeben, Auslöser- und Unterbrecherhebel ergeben daher eine Art liegende Schere, die sehr flach und kurz baut und durch eine vergleichsweise einfache Kulissensteuerung exakt arbeitet. Dabei ist durch das leigende Einschwenken der Hebel in die Hahnansatzbahn und durch den verhältnismäßig großen Überschneidungsbereich zwischen den Hebel-Fangflächen und dem Hahnansatz auch bei gröberen Fertigungstoleranzen ein zuverlässiges Zusammenspiel aller Teile gesichert. Durch die Wahl der Steuerkantenverläufe und der mit dem Abzugsschieber gekoppelten Kulissensteinbewegung lassen sich schwierigkeitslos Auslöser- und Unterbrecherhebel je nach Einzel- oder Dauerfeuerstellung gegeneinander und in bezug auf die Hammeransatzbahn verschwenken, so daß in robuster und funktionstüchtiger Weise die Hebel ihre Aufgaben als Auslöser und Unterbrecher beim Einzelfeuer und beim Dauerfeuer einwandfrei erfüllen.The invention solves this problem in that the trigger and interrupter levers are pivotally mounted about a common upright axis of rotation and form a control link between one another by mutually opposite control edges, in which a sliding block movable via the trigger slide engages, the control movement of the sliding block relative to the control edges of the control link when pulling the trigger the pair of levers against the force of a return spring from a starting position, in which the trigger lever detects the cocking of the cocked cock, into a single fire position, in which the triggering lever releases the cocking neck and the interrupter lever penetrates into its approach path, or can be pivoted into a continuous fire position, in which Both levers release the tap approach, trigger and interrupter lever result in a kind of lying scissors, which is very flat and short and works exactly through a comparatively simple setting control. Reliable interaction of all parts is ensured due to the leverage pivoting of the lever into the tap approach path and the relatively large overlap area between the lever catch surfaces and the tap approach even with coarse manufacturing tolerances. Through the choice of the control edge profiles and the sliding block movement coupled with the trigger slide, the trigger and interrupter lever can be pivoted relative to one another and in relation to the hammer approach path depending on the individual or continuous firing position, so that the levers perform their tasks as a trigger and interrupter in a robust and functional manner Fulfill single fire and continuous fire perfectly.

Nach einer vorteilhaften Ausgestaltung der Erfindung sitzt der vorzugsweise als Steuerrolle ausgebildete Kulissenstein auf einem Steuerhebel, der einerends um eine Parallelachse zur Drehachse des Hebelpaares schwenkbar gelagert ist und andernends in einen Mitnehmerschlitz des Abzugsschiebers eingreift. Dadurch kommt es bei einfacher Konstruktion zu erforderlichen Bewegungsverbindung zwischen Abzugsschieber und Kulissenstein, da eine Verschiebung des Abzugsschiebers zwangsweise ein Verschwenken des Steuerhebels mit sich bringt und der entsprechend der Steuerhebelschwenkbewegung entlang eines Kreisbogens bewegte Kulissenstein sicher seine Steuerfunktion ausüben kann.According to an advantageous embodiment of the invention, the sliding block, which is preferably designed as a control roller, is seated on a control lever which is pivotably mounted on one end about a parallel axis to the axis of rotation of the pair of levers and on the other hand engages in a driving slot of the trigger slide. This results in a simple construction to the required movement connection between the trigger slide and sliding block, since a displacement of the trigger slide inevitably involves pivoting the control lever and the sliding block moving in accordance with the control lever pivoting movement along a circular arc can safely perform its control function.

Ist erfindungsgemäß die dem Hahnansatz zugeordnete Fangfläche des Unterbrecherhebels in bezug auf jene des Auslöserhebels entgegen der Schlagrichtung des Hahnes versetzt, wird für eine sichere Übergabe des vom Unterbrecherhebel gefangenen Hahns an den Auslöserhebel gesorgt, da der Auslöserhebel aufgrund seiner zurückspringenden Fangfläche auf jeden Fall bis zu seiner ordnungsgemäßen Fangposition in die Hammeransatzbahn einschwenken kann, bevor der Unterbrecher den Ansatz freigibt und dieser nur mehr vom Auslöserhebel gehalten wird.If, according to the invention, the catch surface of the interrupter lever assigned to the tap approach is offset in relation to that of the trigger lever in the opposite direction of the tap, a safe transfer of the cock caught by the interrupter lever to the trigger lever is ensured, since the trigger lever in any case up to its point due to its recessed catch surface proper swing position can swing into the hammer approach path before the interrupter releases the approach and this is only held by the trigger lever.

Eine einfache Konstruktion ergibt sich auch, wenn als Rückholfeder eine das Hebelpaar zusammendrückende Schenkelfeder dient und eine den Auslöserhebel in Ausgangsstellung festlegende Sicherung vorgesehen ist. Die Schenkelfeder garantiert das einwandfreie Zusammenwirken zwischen Steuerkanten und Kulissenstein und die Sicherung verhindert ein ungewolltes Verschwenken des Auslöserhebels in Ausgangsstellung bei Erschütterung u.dgl.A simple construction also results if a leg spring which compresses the pair of levers serves as a return spring and a fuse is provided which fixes the trigger lever in the starting position. The leg spring guarantees the perfect interaction between the control edges and the sliding block and the securing prevents the trigger lever from swiveling unintentionally in the initial position in the event of vibration and the like.

Die Sicherung kann in vorteilhafter Weise aus einem am Steuerhebel anschlagbegrenzt und gegen Federkraft schwenkbar gelagerten zweiarmigen Sperrhebel bestehen, dessen ein Hebelarm in die Bewegungsbahn des an der verschlußabgewandten Seite eine Abgleitfläche bildenden Hahnansatzes vorragt und dessen anderer Hebelarm eine in Ausgangsstellung mit dem Auslöserhebel verriegelnde Raste od.dgl. aufweist. Ist der Steuerhebel in Ausgangsstellung, ist damit zwangsweise auch eine mechanische Verriegelung des Auslöserhebels gegeben, der beim Verschwenken des Steuerhebels zur Schußabgabe Selbsttätig wieder freikommt. Um aber den Auslösehebel nicht zu verhindern, wird der Sperrhebel durch den sich spannenden Hahn beiseite gedrückt und die Verriegelung kurzzeitig geöffnet, so daß der Auslöserhebel mit seiner Fangfläche dem Hahnansatz ausweichen kann und das einwandfreie Spannen des Hahns und dessen Fang durch den Unterbrecherhebel unbehindert läßt.The fuse can advantageously consist of a stop-limited on the control lever and pivotably mounted against spring force, two-armed locking lever, one lever arm protruding into the path of movement of the stopcock forming a sliding surface on the side facing away from the closure and the other lever arm or a detent locking in the starting position with the release lever. the like having. If the control lever is in the starting position, there is therefore inevitably also a mechanical locking of the trigger lever, which is released automatically when the control lever is pivoted for firing the shot. However, in order not to prevent the release lever, the locking lever is pushed aside by the tensioning cock and the lock is briefly opened so that the trigger lever with its catch surface can dodge the tap approach and the unimpeded tensioning of the tap and its catch by the interrupter lever.

In der Zeichnung ist der Erfindungsgegenstand in einem Ausführungsbeispiel rein schematisch dargestellt, und zwar zeigen

  • Fig. 1 eine erfindungsgemäße Abzugsvorrichtung im Vertikalschnitt nach der Linie I-I der Fig. 2,
  • Fig. 2 diese Abzugsvorrichtung bei abgenommenem Gehäusedeckel in Draufsicht, die
  • Fig. 3 bis 5 verschiedene Abzugstellungen in der Fig. 2 entsprechender Draufsicht sowie
  • Fig. 6 und 7 die prinzipielle Anordnung einer Sicherung für die Abzugsvorrichtung ebenfalls in Draufsicht.
In the drawing, the subject matter of the invention is shown purely schematically in one embodiment, namely show
  • 1 is a trigger device according to the invention in vertical section along the line II of FIG. 2,
  • Fig. 2, this trigger device with the housing cover removed in plan view
  • Fig. 3 to 5 different trigger positions in Fig. 2 corresponding top view and
  • 6 and 7, the basic arrangement of a fuse for the trigger device also in plan view.

Eine Abzugsvorrichtung für eine nicht weiter dargestellte automatische Handfeuerwaffe mit Hahnschlagzündung besteht aus einem Gehäuse 1, in dem um eine liegende Querachse 2 ein durch eine Hahnfeder 3 belasteter Hahn 4 schwenkbar lagert. Der Hahn 4 wird bei Rückgang des nur angedeuteten Verschlusses 5 gespannt und von einem verschlußgesteuerten Dauerfeuerhebel 6 während des Verschlußvorgehens durch Untergreifen einer Fangnase 4a mittels eines Hakenteils 7 gesperrt.A trigger device for an automatic handgun (not shown) with a tap firing consists of a housing 1, in which a cock 4 loaded by a cock spring 3 is pivotally mounted about a horizontal axis 2. The cock 4 is tensioned when the closure 5, which is only indicated, drops and is locked by a closure-controlled fire lever 6 during the closure process by reaching under a catch nose 4a by means of a hook part 7.

Im Gehäuse 1 ist weiters ein Abzugsschieber 8 gegen die Kraft einer Abzugsfeder 9 von einer Ausgangs- in eine Einzel- und eine Dauerfeuerstellung verschiebbar geführt, welcher Abzugsschieber 8 in nicht weiter dargestellter Weise mit dem Abzug in Wirkverbindung steht. Über den Abzugsschieber 8 wird nun ein Steuerhebel 10 verschwenkt, der einerends um eine vertikale Drehachse 11 schwenkbar gelagert ist und andernends in einen Mitnehmerschlitz 12 des Abzugsschiebers 8 eingreift. Auf dem Steuerhebel 10 sitzt eine als Kulissenstein dienende Steuerrolle 13, die in eine zwischen einem Hebelpaar 14, 15 gebildete Steuerkulisse 6 eingreift. Dieses Hebelpaar setzt sich aus dem Auslöserhebel 14 und dem Unterbrecherhebel 15 zusammen und ist um eine gemeinsame Vertikalachse 17 schwenkbar gelagert, wobei eine Schenkelfeder 18 das Hebelpaar 14, 15 gegegeneinanderdrückt. Durch Relativbewegung der Steuerrolle 13 gegenüber den die Steuerkulisse 16 bildenden Steuerkanten 19, 20 des Hebelpaares 14, 15 ergeben sich nun in Abhängigkeit von der Stellung des Abzugsschiebers 8 die für das Schießen von Einzel- und Dauerfeuer erforderlichen Steuerbewegungen des die Aufgaben eines Auslösers und Unterbrechers ausübenden Hebelpaares 14, 15.In the housing 1, a trigger slide 8 is guided against the force of a trigger spring 9 from an initial position to a single and a continuous fire position, which trigger slide 8 is operatively connected to the trigger in a manner not shown. A control lever 10 is now pivoted via the trigger slide 8, which is pivotally mounted on one end about a vertical axis of rotation 11 and on the other hand engages in a driving slot 12 of the trigger slide 8. On the control lever 10 is a control roller 13 serving as a sliding block, which is formed between a pair of levers 14, 15 Control link 6 engages. This pair of levers is composed of the trigger lever 14 and the interrupter lever 15 and is pivotably mounted about a common vertical axis 17, wherein a leg spring 18 presses the lever pair 14, 15 against each other. By relative movement of the control roller 13 with respect to the control edges 16 forming control edges 19, 20 of the pair of levers 14, 15, depending on the position of the trigger slide 8, the control movements required for the firing of single and continuous fire of the functions of a trigger and interrupter are now obtained Pair of levers 14, 15.

In der aus Fig. 2 hervorgehenden Ausgangsstellung ist der Verschluß 5 in vorderer Position und der Dauerfeuerhebel 6 gibt den gespannten Hahn 4 frei, der nun durch den Auslöserhebel 14 gefangen wird, der einen Hahnansatz 21 mit einer entsprechenden Fangfläche 22 übergreift. Der Unterbrecherhebel 15 liegt mit seiner Fangfläche 23 außerhalb der Bewegungsbahn des Hahnansatzes 21. Die Waffe ist schußbereit.In the initial position shown in FIG. 2, the closure 5 is in the forward position and the continuous fire lever 6 releases the cock 4 that is cocked, which is now caught by the trigger lever 14, which engages over a cock extension 21 with a corresponding catch surface 22. The interrupter lever 15 lies with its catch surface 23 outside the movement path of the tap attachment 21. The weapon is ready to fire.

Wird nun der Abzugsschieber 8 gegen die Kraft der Abzugsfeder 9 in seine Einzelfeuerstellung verschoben, die durch eine nicht weite dargestellte Raste oder eine Sperre fixierbar ist, schwenkt der Steuerhebel 10 um die Schwenkachse 11 und die mitbewegte Steuerrolle 13 drückt den Auslöserhebel 14 auswärts, so daß der Hahn 4 freikommt und den Schuß auslösen kann (Fig. 3). Sobald der Hahnansatz 21 hochgeschnellt ist, rückt durch die Rückstellfeder 18 der Unterbrecherhebel 15 einwärts und dringt in die Bahn dieses Hahnansatze 21 ein, so daß der durch den rückgehenden Verschluß erneut gespannte Hahn 4 mit seinem Hahnansatz 21, der eine entsprechende Abgleitfläche aufweist, beim Zurückschwenken den Unterbrecherhebel 15 verdrängen muß, der seinerseits sofort wieder seine Fangposition einnimmt (Fig. 4). Sobald der Hahn 4 nach dem Vorgehen des Verschlusses 5 vom Dauerfeuerhebel 6 wieder freigegeben wird, fängt daher die Fangfläche 23 des Unterbrecherhebels 15 den Hahnansatz 21. Ein zweiter Schuß ist bei gezogenem Abzug nicht mehr möglich und erst ein Loslassen und neuerliches Betätigen des Abzuges erlaubt die nächste Schußabgabe. Wird nämlich der Abzug losgelassen, drückt die Abzugsfeder 9 den Abzugsschieber 8 zurück in die Ausgangsstellung; die Steuerrolle 13 schwenkt zurück und drückt dabei den Unterbrecherhebel 15 vom Hahnansatz 21 weg, so daß der Unterbrecherhebel 15 den Hahn 4 dem in der Zwischenzeit eingeschwenkten Auslöserhebel 14 übergibt. Damit es hier zu einer einwandfreien Übergabe kommt, sind die Fangflächen 22, 23 von Auslöser- und Unterbrecherhebel 14, 15 gegeneinander höhenversetzt, was aus Fig. 1 ersichtlich ist. Nach der Übergabe wird der Hahn 4 wiederum nur mehr vom Auslöserhebel 14 gehalten (Fig. 2), so daß der nächste Schuß abgegeben werden kann.If the trigger slide 8 is moved against the force of the trigger spring 9 in its single fire position, which can be fixed by a not shown notch or a lock, the control lever 10 pivots about the pivot axis 11 and the moving control roller 13 presses the trigger lever 14 outwards, so that the cock 4 is released and can trigger the shot (Fig. 3). As soon as the tap attachment 21 has flipped up, the interruption lever 15 moves inward through the return spring 18 and penetrates into the path of this tap attachment 21, so that the tap 4 again tensioned by the retracting closure with its tap attachment 21, which has a corresponding sliding surface, pivots back must displace the interrupter lever 15, which in turn immediately resumes its catch position (Fig. 4). As soon as the cock 4 after the operation of the closure 5 from the fire lever 6 is released again, therefore, the catch surface 23 of the interrupter lever 15 catches the tap attachment 21. A second shot is no longer possible when the trigger is pulled and only a release and renewed actuation of the trigger allows the next shot to be fired. If the trigger is released, the trigger spring 9 pushes the trigger slide 8 back into the starting position; the control roller 13 pivots back and presses the interrupter lever 15 away from the tap shoulder 21, so that the interrupter lever 15 transfers the tap 4 to the trigger lever 14 which has been swiveled in in the meantime. So that there is a perfect transfer here, the catch surfaces 22, 23 of the trigger and interrupter lever 14, 15 are offset in height from one another, which can be seen from FIG. 1. After the transfer, the cock 4 is again held only by the trigger lever 14 (Fig. 2), so that the next shot can be fired.

Soll Dauerfeuer geschossen werden, muß, wie in Fig. 5 angedeutet, der Abzugsschieber 8 über die Einzelfeuerstellung hinweg in seine Dauerfeuerstellung gebracht werden, wodurch auch der Steuerhebel 10 entsprechend weit verschwenkt und die Steuerrolle 13 das Hebelpaar 14, 15 bis zur vollen Freigabe des Hahnansatzes 21 öffnet. Nun bestimmt alleine der Dauerfeuerhebel 5 das Sperren und Freigeben des Hahnes 4, so daß solange Dauerfeuer geschossen wird, solange der Abzug betätigt bleibt. Ein Loslassen des Abzuges bringt den Abzugsschieber 8 wieder in die Ausgangsstellung und die Steuerrolle 13 erlaubt wiederum das Eingreifen des Hebelpaares 14, 15 in den Abzugsablauf, so daß beim nächsten Rückschwenken des Hahnes 4 der Hahnansatz 21 vom Unterbrecher 15 erfaßt und dem Auslöserhebel 14 übergeben wird. Die Ausgangsstellung nach Fig. 2 ist erneut erreicht.If continuous fire is to be shot, the trigger slide 8 must be moved beyond its individual fire position into its continuous fire position, as indicated in FIG. 5, whereby the control lever 10 is pivoted accordingly and the control roller 13 the lever pair 14, 15 until the tap approach is fully released 21 opens. Now the continuous fire lever 5 alone determines the locking and releasing of the tap 4, so that continuous fire is fired as long as the trigger remains actuated. Letting go of the trigger brings the trigger slide 8 back into the starting position and the control roller 13 in turn allows the pair of levers 14, 15 to engage in the trigger sequence, so that the next time the cock 4 is pivoted back, the stopper 21 is gripped by the interrupter 15 and transferred to the trigger lever 14 . 2 has been reached again.

Wie in Fig. 6 und 7 veranschaulicht, gibt es, um eine ungewollte Bewegung des Auslöserhebels 14 durch Erschütterung od.dgl. zu vermeiden, eine Sicherung 24, die den Auslöserhebel 14 in der Ausgangsstellung mechanisch verriegelt. Diese Sicherung besteht aus einem zweiarmigen Sperrhebel 25, der koaxial zur Steuerrolle 13 am Steuerhebel 10 schwenkbar lagert und durch eine Sperrfeder 26 gegenüber dem Steuerhebel 10 in einer Sperrstellung gehalten wird. In dieser Sperrstellung, in der der eine Hebelarm 27 des Sperrhebels deckend oberhalb des Steuerhebels liegt, wird in der Ausgangsstellung des Hebelpaares 14, 15 eine Verriegelungsnase 28 des Auslöserhebels 14 formschlüssig von einer Rastausnehmung 29 des Sperrhebels erfaßt und verriegelt ihn mechanisch (Fig. 6). In dieser Verriegelungsstellung ragt der zweite Hebelarm 30 des Sperrhebels 25 in die Bahn des Hahnansatzes 21 vor. Wird nun der Abzug betätigt und der Steuerhebel 10 verschwenkt, ergibt sich zwangsweise ein Mitbewegen des Sperrhebels 25 mit dem Steuerhebel 10 und die Verriegelung wird rechtzeitig zur Freigabe des Auslöserhebels 14 gelöst (Fig. 7). Da auch der Hebelarm 30 mit dieser Schwenkbewegung aus der Bahn des Hammeransatzes 21 herauskommt, erfolgt ordnungsgemäß die Schußabgabe. Ein Loslassen des Abzuges bringt den Steuerhebel 10 in die Ausgangsstellung zurück und auch die aus Verriegelungsnase 28 und Rastausnehmung 29 bestehende Raste verriegelt wieder. Der zurückschwenkende Hahn 4 kann aber nun durch seine dem Hebelarm 30 zugeordnete Abgleitfläche 31 bei seiner Spannbewegung die Verriegelung durch ein Wegdrücken des Sperrhebels 25 gegen die Kraft der Sperrfeder 26 kurzzeitig öffnen (strichpunktierte Darstellung in Fig. 6), um trotz der Sicherung 24 den Auslöserhebel 14 zur Seite bewegen und dann bis zum Sperren durch den Dauerfeuerhebel 6 durchschwenken zu können.As illustrated in FIGS. 6 and 7, there is an unwanted movement of the trigger lever 14 by vibration or the like. to avoid a fuse 24 which mechanically locks the trigger lever 14 in the starting position. This fuse consists of a two-armed locking lever 25 which is pivotally mounted coaxially to the control roller 13 on the control lever 10 and is held in a locking position by a locking spring 26 relative to the control lever 10. In this locking position, in which one lever arm 27 of the locking lever lies covering above the control lever, in the starting position of the pair of levers 14, 15, a locking lug 28 of the release lever 14 is positively gripped by a locking recess 29 of the locking lever and locks it mechanically (FIG. 6) . In this locking position, the second lever arm 30 of the locking lever 25 projects into the path of the tap attachment 21. If the trigger is now actuated and the control lever 10 is pivoted, the locking lever 25 is also forced to move with the control lever 10 and the lock is released in time for the release of the release lever 14 (FIG. 7). Since the lever arm 30 also comes out of the path of the hammer projection 21 with this pivoting movement, the shot is fired properly. Releasing the trigger brings the control lever 10 back into the starting position and the catch consisting of the locking lug 28 and the locking recess 29 is locked again. However, the pivoting back cock 4 can now briefly open the locking mechanism by pushing the locking lever 25 against the force of the locking spring 26 (dash-dotted representation in FIG. 6) by its sliding surface 31 assigned to the lever arm 30 during its tensioning movement in order to release the trigger lever despite the securing means 24 14 move to the side and then swivel until locked by the fire lever 6.

Aufgrund der liegenden Anordnung und der scherenartigen Steuerbewegung des als Auslöser und Unterbrecher wirkenden Hebelpaares 14, 15 und wegen des einfachen Zusammenspiels zwischen der vom Hebelpaar gebildeten Steuerkulisse und dem Steuerhebel mit seinem Kulissenstein ergibt sich eine robuste, rationell herstellbare Vorrichtung, die sich vor allem durch ihre niedrige Bauhöhe und kurze Baulänge auszeichnet.Due to the lying arrangement and the scissor-like control movement of the lever pair 14, 15 acting as a trigger and interrupter and because of the simple interaction between the control link formed by the pair of levers and the control lever its sliding block results in a robust, rationally producible device, which is characterized above all by its low overall height and short overall length.

Claims (5)

1. A trigger device for hand-held automatic firearms, comprising a hammer (4), which is arranged to be cocked as the breechblock recoils, a sustained-fire lever (6), which is controlled by the breechblock (5) and locks the hammer (4) as the breechblock advances, a trigger slider (8), which is movable by the trigger against spring force from an initial position to a single-shot position and to a sustained-fire position, and a pair of mutually cooperating levers (14, 15), which respectively constitute a release member and a disconnector member and are adapted to enter the path of movement of a hammer extension (21) in dependence on the position of the trigger slider, characterized in that the release lever (14) and the disconnector lever (15) are pivoted on a common upright pivot (17) and have respective confronting camming edges (19, 20), which define between them a cam slot (16), a camming member (13) is provided, which is movable by the trigger slider (8) and extends into said cam slot (16), the camming member is arranged to move relative to the camming edges (19, 20) of the cam slot (16) and in engagement with said edges as the trigger is pulled and by said movement to pivotally move the pair of levers (14, 15) against the force of a restoring spring (18) from an initial position, in which the release lever (14) engages the hammer extension (21) of the hammer (4) when it is cocked, to a single-shot position, in which the release lever (14) releases the hammer extension (21) and the disconnector lever (15) enters the path of said extension, or to a sustained-fire position, in which both levers (14, 15) are disengaged from the hammer extension (21).
2. A trigger device according to claim 1, characterized in that the camming member preferably consists of a control roller (13) and is mounted on a control lever (10), which at one end is pivoted on an axis (11) that is parallel to the axis of rotation (17) of the pair of levers, whereas the control lever at its other end extends into a coupling slot (12) of the trigger slider (20).
3. A trigger device according to claim 1 or 2, characterized in that the catching surface (23) of the disconnector lever (15) is associated with the hammer extension (21) and is offset opposite to the direction of the striking movement of the hammer (4) from the catching surface (23) of the release lever (14).
4. A trigger device according to any of claims 1 to 3, characterized in that the restoring spring consists of a torsional coil spring (18) for urging the levers (14, 15) of the pair towards each other and a safety device (24) is provided for locking the release lever (14) in its initial position.
5. A trigger device according to claim 4, characterized in that the safety device (24) consists of a two-armed locking lever (25), which is mounted on the control lever (10) for a stop-limited pivotal movement against spring force, and said locking lever comprises one lever arm (30), which protrudes into the path of movement of the hammer extension (21), which has a slip-off surface (31) on the side that is remote from the breechblock, and another lever arm (27), which has an indentation (29) or the like, which interlocks with the release lever (14) in the initial position.
EP88890232A 1987-09-22 1988-09-06 Firing mechanism for an automatic hand-gun Expired - Lifetime EP0309439B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0239387A AT388611B (en) 1987-09-22 1987-09-22 EXTRACTION DEVICE FOR AUTOMATIC FIREARMS
AT2393/87 1987-09-22

Publications (2)

Publication Number Publication Date
EP0309439A1 EP0309439A1 (en) 1989-03-29
EP0309439B1 true EP0309439B1 (en) 1991-07-24

Family

ID=3533528

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Application Number Title Priority Date Filing Date
EP88890232A Expired - Lifetime EP0309439B1 (en) 1987-09-22 1988-09-06 Firing mechanism for an automatic hand-gun

Country Status (7)

Country Link
US (1) US4892026A (en)
EP (1) EP0309439B1 (en)
AT (1) AT388611B (en)
BR (1) BR8804906A (en)
DE (1) DE3863880D1 (en)
ES (1) ES2023017B3 (en)
GR (1) GR3002943T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5160796A (en) * 1991-10-07 1992-11-03 Martin Tuma Automatic small arm
US10809031B2 (en) * 2018-09-14 2020-10-20 WHG Properties, LLC Linear trigger mechanisms for firearms

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0184581A2 (en) * 1984-12-05 1986-06-11 STEYR-DAIMLER-PUCH Aktiengesellschaft Trigger mechanism for automatic hand firearms

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE412060A (en) * 1934-11-04
GB572440A (en) * 1940-09-30 1945-10-09 George Herbert Lanchester Improvements in and relating to automatic fire arms
US2388443A (en) * 1944-06-09 1945-11-06 Maguire Ind Inc Firing mechanism
NL250466A (en) * 1959-05-23
US3257749A (en) * 1964-11-23 1966-06-28 Browning Ind Inc Straight pull bolt action rifle
US3724325A (en) * 1971-08-24 1973-04-03 Colts Ind Operating Corp Rate reducer
US4664015A (en) * 1985-07-24 1987-05-12 Kennedy Joseph E Automatic gun with improved firing mechanism

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0184581A2 (en) * 1984-12-05 1986-06-11 STEYR-DAIMLER-PUCH Aktiengesellschaft Trigger mechanism for automatic hand firearms

Also Published As

Publication number Publication date
US4892026A (en) 1990-01-09
BR8804906A (en) 1989-05-02
ES2023017B3 (en) 1991-12-16
EP0309439A1 (en) 1989-03-29
DE3863880D1 (en) 1991-08-29
AT388611B (en) 1989-08-10
GR3002943T3 (en) 1993-01-25
ATA239387A (en) 1988-12-15

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