EP0204691B1 - Mécanisme de détente pour armes à feu automatiques - Google Patents

Mécanisme de détente pour armes à feu automatiques Download PDF

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Publication number
EP0204691B1
EP0204691B1 EP86890158A EP86890158A EP0204691B1 EP 0204691 B1 EP0204691 B1 EP 0204691B1 EP 86890158 A EP86890158 A EP 86890158A EP 86890158 A EP86890158 A EP 86890158A EP 0204691 B1 EP0204691 B1 EP 0204691B1
Authority
EP
European Patent Office
Prior art keywords
catch
lever
nose
breechblock
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP86890158A
Other languages
German (de)
English (en)
Other versions
EP0204691A3 (en
EP0204691A2 (fr
Inventor
Ulrich Zedrosser
Walter Rossak
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.)
Steyr Daimler Puch AG
Original Assignee
Steyr Daimler Puch AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Steyr Daimler Puch AG filed Critical Steyr Daimler Puch AG
Publication of EP0204691A2 publication Critical patent/EP0204691A2/fr
Publication of EP0204691A3 publication Critical patent/EP0204691A3/de
Application granted granted Critical
Publication of EP0204691B1 publication Critical patent/EP0204691B1/fr
Expired legal-status Critical Current

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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
    • 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
    • F41A19/31—Sear arrangements therefor

Definitions

  • the invention relates to a trigger device for automatic handguns with a catch lever, which is designed as a double-armed pivot lever, the rear lever arm cooperates with a slide, the slide is coupled to the trigger and the catch lever the release after the shot against the force of a breech spring breech with released Holding the trigger on a nose in the rear position.
  • Such a handgun has become known from DE-C 421 247, in which a nose is arranged at the front end of the double-arm pivoting lever, which can engage in a nose of the breech and holds it in place.
  • Both lever arms of the pivot lever are spring-loaded, with a stronger spring pressing the nose of the pivot lever against the lock.
  • the disadvantage of this construction is that, in the event of heavy wear, the nose of the pivot lever can only be skipped by overcoming the spring force of the stronger spring and a shot can be triggered unintentionally. It is also not prevented with certainty that the parts exposed to high shock loads are deformed when the breech goes back and forth, which can also lead to an unwanted firing of the shot.
  • an automatic handgun has become known in which a three-armed swivel lever is provided, one rear arm of which is pressed against the barrel by a spring, the second rear arm of which is pivotally connected to a slide interacting with the trigger, and its front arm is supported by another spring against the slide.
  • the three-armed swivel lever has a nose that interacts with a nose on the lock.
  • This construction is also disadvantageous in that, due to the inclination of the nose, it is possible to jump through the closure, the pivoting lever being pivoted clockwise against the force of the spring engaging its rear arm. A deformation of the parts exposed to strong shock loads is also not excluded here, which can lead to an unwanted firing of the shot.
  • a trigger device for handguns with a catch lever which holds the breech on the nose when the trigger is fired against spring force when the trigger is released, has the advantage that the cartridge chamber of the barrel remains empty with every interruption of a firing sequence, i.e. there is no cartridge in it and therefore there is also no danger that after a prolonged firing sequence, the cartridge can self-ignite due to overheating of the barrel.
  • the catch lever is subject to a very high load because it suddenly has to stop the forward closure with its high kinetic energy.
  • the catch lever and the other associated parts of the trigger device or the breech guide are made of high-strength materials, in particular hardened steel, which not only increases the weight of the weapon, but also increases the technical outlay in the production of these parts.
  • the object of the invention is to eliminate these deficiencies and to improve the trigger device described at the outset with simple means so that, despite the deformations which may occur, there is no reduction in the overlap of the catch lever and locking lug, that is to say there is full security and a favorable force distribution is achieved is so that the catch elements can even be made of plastic.
  • this object is achieved in that the front lever arm of the catch lever carries a catch pawl which interacts with the nose of the closure and which is also designed as a double-arm pivot lever, the front lever arm (7) of the catch pawl (6) opposing the force of the lock spring ( 13) is supported on a spring-loaded abutment (8) housed on the housing (1) and the catch pawl is arranged in such a way that when a load suddenly occurs, the catch pawl pivots in the direction of action of the locking spring and thus in the sense of increasing the overlap of the nose of the lock executes a nose cooperating with this nose on the catch pawl in such a way that the necessary overlap is retained despite any elastic deformation of the catch elements (catch pawl and catch lever).
  • the catch catch pivots through the spring-loaded abutment in the direction of action of the locking spring and thus in the sense of an increase in the overlap of the nose on the lock, so that the necessary overlap is retained despite any elastic deformation of the locking lever and the risk of unwanted Gunshot is avoided.
  • the spring-loaded abutment acts as a kind of shock absorber for stopping the lock.
  • the compression spring inserted between the swivel lever forming the catch pawl and the catch lever serves in operative connection with the resilient support on the abutment as a return spring in order to return the catch lever to its starting position after the firing of the shot, in which it is held by a slide connected to the trigger or the like becomes.
  • the drawing shows an embodiment of the parts of a trigger device for an automatic rifle essential to the invention in partial section and simplified representation.
  • the trigger device has a housing 1, in which a slide 2, which can be actuated via a trigger rod 3 by the shooter's finger ren trigger is coupled, is pushed forward and retractable. Furthermore, a catch lever 4 is arranged in the housing 1 so as to be pivotable about the axis 5 and carries a catch pawl 6 at its front end.
  • the catch pawl 6 is designed as a double-armed pivot lever, the front arm 7 of which is supported on a sprung abutment 8.
  • a spreading compression spring 10 is inserted between the rear lever arm 9 of the catch link 6 and the catch lever 4. With 11 longitudinal guides for the closure 12 are designated, which is loaded by a strong locking spring 13 and carries on its underside a cooperating with the catch 6 nose 14.
  • the breech 12 is held against the force of the breech spring 13 by the catch pawl 6, there being no cartridge in the cartridge chamber (not shown).
  • the catch lever 4 is prevented from pivoting by the web 15 of the slide 2 which engages over it. If the trigger is actuated, that is to say the slide 2 is moved backwards via the trigger rod 3, the rear end of the catch lever 4 is released and can pivot upwards under the pressure of the locking spring acting on the catch pawl 6 via the nose 14, so that the lock 12 flaps forward, take a cartridge from the magazine (also not shown) and insert it into the cartridge chamber, after which the shot is fired in the usual way and the breech 12 is moved back against the force of the breech spring 13.
  • the rear part of the catch lever 4 is pivoted downwards so far that, when the trigger 15 is released, the web 15 can reach over this rear end again.
  • the closure 12 is advanced again, its nose 14 abuts the catch 6, whereby due to the resilient support of the lever arm 7 on the abutment 8 there is a certain pivoting movement of the catch 6 counterclockwise, so that the catch 6 engages over the nose 14 rather is enlarged than is reduced by elastic deformation of the catch elements.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Buckles (AREA)

Claims (1)

  1. Dispositif de détente pour armes à feu portatives automatiques muni d'un levier de retenue (4), qui est conformé comme un levier pivotant à deux bras dont le bras de levier arrière coopère avec un coulisseau (2), le coulisseau (2) étant couplé à la détente et le levier de retenue (4) retenant la culasse (12) qui revient en arrière en s'opposant à la force d'un ressort de culasse (13) après le départ du coup en position arrière sur un taquet lors de la libération de la détente, caractérisé en ce que le bras de levier avant du levier de retenue (4) porte un cliquet de retenue (6) coopérant avec le taquet (14) de la culasse (12), ce cliquet étant le cas échéant conformé comme un levier pivotant à deux bras, le bras de levier avant (7) du cliquet de retenue (6) prenant appui, en s'opposant à la force du ressort de culasse (13), sur un palier résistant (8) monté sur ressort et logé dans le boîtier (1) et le cliquet de retenue (6) étant disposé de façon que, lors de l'apparition brutale d'une contrainte, le cliquet exécute un mouvement de pivotement dans la direction d'action du ressort de culasse et, par là, dans le sens d'un renforcement de l'engagement du taquet de la culasse au moyen d'un taquet coopérant avec ce taquet sur le cliquet, de telle sorte que l'engagement nécessaire demeure maintenu en dépit d'une éventuelle déformation élastique des éléments de retenue (cliquet de retenue (6) et levier de retenue (4)).
EP86890158A 1985-06-07 1986-06-02 Mécanisme de détente pour armes à feu automatiques Expired EP0204691B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0171385A AT388237B (de) 1985-06-07 1985-06-07 Abzugsvorrichtung fuer automatische handfeuerwaffen
AT1713/85 1985-06-07

Publications (3)

Publication Number Publication Date
EP0204691A2 EP0204691A2 (fr) 1986-12-10
EP0204691A3 EP0204691A3 (en) 1987-08-26
EP0204691B1 true EP0204691B1 (fr) 1989-04-26

Family

ID=3519372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86890158A Expired EP0204691B1 (fr) 1985-06-07 1986-06-02 Mécanisme de détente pour armes à feu automatiques

Country Status (4)

Country Link
US (1) US4745843A (fr)
EP (1) EP0204691B1 (fr)
AT (1) AT388237B (fr)
DE (1) DE3663086D1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT392843B (de) * 1988-09-28 1991-06-25 Steyr Daimler Puch Ag Abzugsvorrichtung fuer automatische handfeuerwaffen
IT1259862B (it) * 1992-01-14 1996-03-28 Beretta Armi Spa Meccanismo di scatto per armi da fuoco semiautomatiche e automatiche
DE10163003B4 (de) 2001-12-20 2009-06-10 Heckler & Koch Gmbh Abzugseinrichtung für eine Schnellfeuer-Handfeuerwaffe
US10684087B2 (en) * 2017-10-10 2020-06-16 Sig Sauer, Inc. Handgun sear with multiple engagement surfaces

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE401367A (fr) *
DE421247C (de) * 1923-09-18 1925-11-09 Paul Rohde Schloss fuer automatische Schusswaffen
DE506922C (de) * 1927-08-02 1930-09-10 Ceskoslovenska Zbrojovka Akcio Abzugvorrichtung fuer selbsttaetige Schusswaffen
GB573029A (en) * 1943-09-14 1945-11-02 George Herbert Lanchester Improvements in trigger mechanisms for automatic firearms
DE1428788A1 (de) * 1962-10-26 1970-01-08 Walther C Fa Abzugseinrichtung fuer automatische Feuerwaffen
NL127013C (fr) * 1964-03-17
DE1252563B (de) * 1964-05-15 1967-10-19 Star, Bonifacio Echeverria, S.A., Eibar, Guipuzcoa (Spanien) Abzugsvorrichtung für automatische Waffen

Also Published As

Publication number Publication date
US4745843A (en) 1988-05-24
AT388237B (de) 1989-05-26
EP0204691A3 (en) 1987-08-26
DE3663086D1 (en) 1989-06-01
ATA171385A (de) 1988-10-15
EP0204691A2 (fr) 1986-12-10

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