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WO1992016811A1 - Mecanisme de detente pour armes a feu portatives, en particulier pour armes de chasse - Google Patents

Mecanisme de detente pour armes a feu portatives, en particulier pour armes de chasse Download PDF

Info

Publication number
WO1992016811A1
WO1992016811A1 PCT/AT1992/000027 AT9200027W WO9216811A1 WO 1992016811 A1 WO1992016811 A1 WO 1992016811A1 AT 9200027 W AT9200027 W AT 9200027W WO 9216811 A1 WO9216811 A1 WO 9216811A1
Authority
WO
WIPO (PCT)
Prior art keywords
tongue
arm
trigger
trigger device
spring
Prior art date
Application number
PCT/AT1992/000027
Other languages
German (de)
English (en)
Inventor
Nehemia Sirkis
Original Assignee
Pse Produkt- Und Systementwicklungsgesellschaft M.B.H.
Voere Kufsteiner Gerätebau- Und Handelsgesellschaft M.B.H.
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 Pse Produkt- Und Systementwicklungsgesellschaft M.B.H., Voere Kufsteiner Gerätebau- Und Handelsgesellschaft M.B.H. filed Critical Pse Produkt- Und Systementwicklungsgesellschaft M.B.H.
Publication of WO1992016811A1 publication Critical patent/WO1992016811A1/fr

Links

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
    • F41A19/10—Triggers; Trigger mountings

Definitions

  • the invention relates to a trigger device for small arms, in particular hunting weapons, with a tongue arranged on a housing-fixed axis, the inner trigger arm of which is spring-loaded, and with an adjustable stop for the outwardly projecting actuating arm, the stop separating the advance from the subsequent trigger path whose end the shot is fired and can be overcome by increasing the force to be exerted on the actuating arm.
  • Such a trigger device is shown, for example, in FIG. 2 of AT-PS 265 914.
  • the tongue carries a rotatable bush, in which an adjusting screw is arranged eccentrically.
  • the set screw forms an adjustable stop which, as soon as the tongue, which has been acted upon by a leg spring, has covered the advance, meets an intermediate lever mounted on the axis of the tongue ice.
  • the intermediate lever is also pivoted, which locks a trigger gallery acted upon by the firing pin.
  • the actuation resistance is given during the advance solely by the spring pressing against the inner release arm, and it increases noticeably as soon as the intermediate lever is also pivoted.
  • Such a trigger device is a relatively complicated, expensive construction, and The object of the invention is therefore to create a trigger device with a noticeable increase in the actuation resistance, which does not require an intermediate lever.
  • this is achieved in a handgun having a firing pin in that the tongue is arranged with play on the fixed axis, and that the adjustable stop is arranged fixed to the housing and forms a second pivot bearing of the tongue during the release path, the in ⁇ ner trigger arm of the trigger ice releases a trigger gallery.
  • the object according to the invention is achieved in that the tongue is arranged with play on the fixed axis, and that the adjustable stop is arranged fixed to the housing and forms a second swivel bearing of the tongue during the triggering path , wherein the inner trigger arm of the trigger ice actuates an ignition contact.
  • the fume cupboard has the same design features.
  • the trigger swivels around the fixed axis until the outer actuating arm hits the stop fixed to the housing.
  • the power arm-release arm ratio changes abruptly, which noticeably increases the actuation resistance when the tongue ice is pivoted further.
  • the further pivoting around the release path is made possible by the play of the tongue ice on the fixed axis, despite the fact that it rests on the housing-fixed stop. Since the triggering path of the trigger ice is short or should be short, only a slight play is sufficient to enable the triggering.
  • a preferred embodiment therefore provides that the bearing opening of the tongue, which has a play, is formed by a bore whose diameter is larger than the diameter of the fixed axis. Suitable diameters are, for example, 3 mm for the fixed axis and 3.2 mm for the bore of the tongue ice, if the length of the inner trigger arm essentially corresponds to the distance between the fixed axis and the second pivot bearing.
  • the bearing opening of the tongue ice could also be formed by an elongated hole, if necessary also by a slot open to the side of the fixed stop.
  • the bias of the springs acting on the inner release arm is adjustable from the outside. The change in the preload has a significantly more pronounced effect on the release path, since the inner release arm becomes much longer due to the swivel bearing change and the outer actuating arm becomes significantly shorter.
  • a preferred embodiment for changing the pretension of a leg spring from the outside, the first leg of which acts on the inner trigger arm, provides that the abutment of the second leg is formed by an externally actuated adjusting screw.
  • a gradual change in the pretension can be achieved in that the second leg is guided in a slot and the contact surface of the adjusting screw is at least one Has diametrically arranged locking groove, so that the second leg of the leg spring locks in the one or a locking groove at the end of an adjustment stage.
  • the design described for adjusting the pretension of the leg spring can also be used in known trigger devices independently of the trigger device according to the invention.
  • FIG. 1 shows a trigger device for triggering a firing pin
  • FIG. 2 shows a trigger device for an electrical ignition, in each case in the starting position
  • FIG. 3 shows the intermediate position at the pressure point
  • FIG. 4 shows the triggered position of the trigger device 5 shows the bearing area on the axis fixed to the housing
  • FIG. 6 shows a top view of the adjusting screw for changing the pretension of the leg spring.
  • a trigger device has an axis 4 fixed to the housing and an adjustable stop 5 fixed to the housing, which is formed by an adjusting screw.
  • a tongue 1 is provided with a bearing bore 7 and is pivotably mounted on the axis 4. The diameter of the bearing bore 7 is larger than that of the axis 4, so that there is a game s between the two (FIG. 5).
  • the tongue 1 represents a two-armed lever, the first lever arm of which forms an outer actuating arm 3 and the second arm of which forms an inner trigger arm 2.
  • the first leg 10 presses a spring designed as a leg spring 8, which is mounted on a pin 9 fixed to the housing.
  • the second leg 11 of the leg spring 11 extends approximately parallel to the underside of the trigger device and abuts an adjusting screw 12 which is held in the trigger housing 20 so as to be adjustable from the outside.
  • the bearing part of the adjusting screw 12 has a slot 14 at the free inner end through which the second leg 11 is guided.
  • Two mutually intersecting locking grooves 13 are formed in the contact surface of the adjusting screw 12, whereby the second leg 11 is locked after each rotation of the adjusting screw by 90 °, so that the bias of the spring can be changed in steps.
  • the tongue 1 can be pivoted about the path v against a relatively low resistance until the outer actuating arm 3 comes to rest on the stop 5 fixed to the housing.
  • the pressure point is reached which, when the tongue ice 1 is pivoted further, changes the pivot bearing from the axis 4 fixed to the housing to the stop 5 fixed to the housing (FIG. 3).
  • This is achieved by designing the play s in the first swivel bearing.
  • the now trigger path a is small and requires considerably more force on the actuating arm 3, since the ratio of the arm to the load arm has changed abruptly with the change of the pivot bearing.
  • the ratio changes from approximately 4: 1 to 1: 1, since the first pivot bearing formed by the axis 4 lies approximately in the middle between the second pivot bearing 6 and the end of the inner trigger arm 2.
  • a firing pin 21 blocking the firing pin 23, which is released from the trigger 1 at the end of the trigger path a (FIG. 3) and pressed downward against the force of its return spring 22 becomes.
  • an adjusting screw 17 is provided at the free end of the inner trigger arm 2, which actuates an ignition contact at the end of the trigger path a (FIG. 4), which ignites an electrically ignitable cartridge.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Toys (AREA)

Abstract

Un mécanisme de détente présente un levier pivotant sur un axe fixe dont le bras de déclenchement intérieur est chargé par ressort. Une butée réglable (5) pour le bras d'actionnement dépassant vers l'extérieur délimite la course avant (v) du levier pivotant (1) par rapport à la course de déclenchement suivante, à la fin de laquelle est lâché le coup de feu. Pendant la course avant (v), le levier (1) pivote autour d'un axe fixe (4), et pendant la course de déclenchement, en raison du jeu, autour de la butée réglable (5) formant un deuxième palier pivotant (6). Le bras de déclenchement intérieur (2) du levier pivotant (1) libère ainsi une gâchette (21) ou bien actionne un contact de mise à feu (17).
PCT/AT1992/000027 1991-03-14 1992-03-02 Mecanisme de detente pour armes a feu portatives, en particulier pour armes de chasse WO1992016811A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT56891A AT396300B (de) 1991-03-14 1991-03-14 Abzugseinrichtung fuer handfeuerwaffen, insbesondere jagdwaffen
ATA568/91 1991-03-14

Publications (1)

Publication Number Publication Date
WO1992016811A1 true WO1992016811A1 (fr) 1992-10-01

Family

ID=3494058

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT1992/000027 WO1992016811A1 (fr) 1991-03-14 1992-03-02 Mecanisme de detente pour armes a feu portatives, en particulier pour armes de chasse

Country Status (3)

Country Link
AT (1) AT396300B (fr)
AU (1) AU1336892A (fr)
WO (1) WO1992016811A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7047685B2 (en) * 2004-01-14 2006-05-23 Ra Brands, L.L.C. Fire control adjustment system
US7188561B1 (en) 2005-12-08 2007-03-13 Kelbly George E Adjustable firearm trigger mechanism and method of adjustment
WO2007030845A1 (fr) * 2005-09-14 2007-03-22 Cura Investholding Gmbh Dispositif de detente pour une arme a feu

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR410762A (fr) * 1909-02-26 1910-05-30 Hugo Borchardt Dispositif de détente pour armes à feu se chargeant par le recul
FR554500A (fr) * 1922-07-27 1923-06-12 Carabine automatique
US5052141A (en) * 1990-08-10 1991-10-01 Sammons Hal C Trigger tension adjuster

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2110502C3 (de) * 1971-03-05 1974-04-11 Heckler & Koch Gmbh Abzugsvorrichtung mit Stechereinrichtung fuer ein selbstladendes Gewehr
US4457094A (en) * 1982-08-16 1984-07-03 Thompson James G Trigger mechanism for a bolt action rifle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR410762A (fr) * 1909-02-26 1910-05-30 Hugo Borchardt Dispositif de détente pour armes à feu se chargeant par le recul
FR554500A (fr) * 1922-07-27 1923-06-12 Carabine automatique
US5052141A (en) * 1990-08-10 1991-10-01 Sammons Hal C Trigger tension adjuster

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7047685B2 (en) * 2004-01-14 2006-05-23 Ra Brands, L.L.C. Fire control adjustment system
WO2007030845A1 (fr) * 2005-09-14 2007-03-22 Cura Investholding Gmbh Dispositif de detente pour une arme a feu
US7188561B1 (en) 2005-12-08 2007-03-13 Kelbly George E Adjustable firearm trigger mechanism and method of adjustment

Also Published As

Publication number Publication date
AT396300B (de) 1993-07-26
AU1336892A (en) 1992-10-21
ATA56891A (de) 1992-11-15

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