EP0386389B1 - Dispositif de sûreté pour la détente d'une arme à feu - Google Patents

Dispositif de sûreté pour la détente d'une arme à feu Download PDF

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Publication number
EP0386389B1
EP0386389B1 EP89810192A EP89810192A EP0386389B1 EP 0386389 B1 EP0386389 B1 EP 0386389B1 EP 89810192 A EP89810192 A EP 89810192A EP 89810192 A EP89810192 A EP 89810192A EP 0386389 B1 EP0386389 B1 EP 0386389B1
Authority
EP
European Patent Office
Prior art keywords
trigger
safety
guiding tube
locking member
guide tube
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 - Lifetime
Application number
EP89810192A
Other languages
German (de)
English (en)
Other versions
EP0386389A1 (fr
Inventor
Kurt Schaffner
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.)
SCHWEIZERISCHE EIDGENOSSENSCHAFT W and F BERN
Original Assignee
Eidgenoess W & F Bern
Schweizerische Eidgenossenschaft w and f Bern
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 Eidgenoess W & F Bern, Schweizerische Eidgenossenschaft w and f Bern filed Critical Eidgenoess W & F Bern
Priority to DE89810192T priority Critical patent/DE58906318D1/de
Priority to ES89810192T priority patent/ES2047150T3/es
Priority to EP89810192A priority patent/EP0386389B1/fr
Priority to AT89810192T priority patent/ATE98013T1/de
Priority to US07/489,225 priority patent/US5036749A/en
Publication of EP0386389A1 publication Critical patent/EP0386389A1/fr
Application granted granted Critical
Publication of EP0386389B1 publication Critical patent/EP0386389B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F41A17/00—Safety arrangements, e.g. safeties
    • F41A17/46—Trigger safeties, i.e. means for preventing trigger movement
    • 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
    • F41A19/33—Arrangements for the selection of automatic or semi-automatic fire

Definitions

  • the present invention relates to a trigger safety device on a firearm, in particular a heavy machine gun, with a pivotable trigger lever and a rotatable fire selection guide tube.
  • a weapon of this type is, for example, the MG 64 caliber 12.7 mm of the Swiss Army type M2 (HB, QCB) .50cal MG or US-A-2 050 539. This weapon has a trigger and one on the back between two handles Muzzle release. Single shots can be fired by actuating the trigger, while fire can be fired while the trigger and the trigger joint trigger are actuated at the same time.
  • a guide tube with a hold-down spring is rotatably mounted on a buffer cylinder protruding backwards from the fume cupboard.
  • this guide tube By rotating this guide tube, its hold-down spring can be pivoted over the catch release and this can thus be held continuously in the series firing position.
  • the trigger can be operated freely for any position of the guide tube or the hold-down spring attached to it. It is therefore not possible to secure the device, which sometimes leads to the unintentional firing of individual shots or even series of shots if the trigger is actuated accidentally.
  • a safety bolt which can be moved transversely into a securing position and out of the same into a firing position is provided in the trigger box, which locks the pivotable trigger lever in its securing position.
  • the aim of the present invention is to provide a trigger protection for weapons of the first type mentioned, which can also be easily attached to existing weapons.
  • This goal is achieved in that a locking part which is axially adjustable between a firing position and a securing position is provided on the guide tube and is located in its securing position in the pivoting path of the trigger lever. This makes it possible to secure the weapon and to avoid any unwanted firing.
  • FIGS. 1 and 2 show the rear weapon end with the trigger box 1, in which a fork-shaped trigger lever 2 and a catch trigger 3 with actuating plate 3a are arranged so as to be pivotable about a common axis 4. Parts 2 and 3 are arranged between two handles 5. While holding the weapon by the handles, the trigger 2 and the catch release 3 can be pivoted independently of one another from an upper rest position shown in FIGS. 1 and 2. If only the trigger 2 is pivoted down, a single shot is fired with each pivoting movement. If the catch trigger 3 is also pivoted downwards, series fire can be fired as long as the trigger 2 is depressed.
  • a fire selection guide tube 7 is rotatably mounted on the buffer cylinder 6 projecting backwards from the trigger box 1, and a hold-down spring 8 is riveted to the front end thereof.
  • a positioning cam 10 which is loaded by a spring 9 riveted to the guide tube, engages in a positioning groove 11 which extends about 180 ° along the circumference of the buffer cylinder 6.
  • the guide sleeve 7 with the hold-down spring 8 can, however, be rotated counterclockwise by approximately 180 ° from the position shown, with the hold-down spring 8 in the area of the catch joint trigger 3 can be pivoted.
  • the hold-down spring 8 can be pivoted over the intermediate part 3b of the catch joint trigger and the catch joint trigger can thus be held in its lower series firing position.
  • series fire is automatically fired.
  • a locking ring 12 is placed on the guide sleeve 7, which has flat millings 12a on two sides. In the position of the guide tube 7 shown, the surfaces 12a are perpendicular, that is to say approximately parallel to an axial-vertical plane in which the free end of the hold-down spring 8 also lies.
  • the surfaces 12a are again vertical, that is parallel to the handles 5 such that the locking ring holds the weapon not hindered on the handles 5.
  • the securing ring 12 is connected non-rotatably to the guide sleeve 7 by means of a wedge 13.
  • the Circlip 12 is, however, axially displaceable on the guide sleeve 7, namely by a path which is limited by a stop screw 14 which engages in a milling 15 of the guide tube 7.
  • the axial end positions of the locking ring 12 are additionally defined by spring-loaded locking balls 16 which can engage in front locking bores 17 or rear locking bores 18.
  • the locking ring 12 is drawn in its front end position, in which it engages in the swivel path of the trigger 2 and thus prevents the same from being depressed to trigger a single shot or series fire. With this position of the locking ring 12, the weapon is thus secured.
  • the locking ring 12 can be brought back into a final position indicated by dash-dotted lines in FIG. 1 and determined by engaging the locking balls 16 in the locking holes 18, in which it no longer hinders the pivoting of the trigger 2. The weapon can now be operated normally.
  • the spring-loaded positioning cam 10, which engages in the annular groove 11 of the buffer cylinder 6, serves not only to limit the approximately 180 ° pivoting movement of the guide tube 7 and the circlip 12 placed thereon, but also to secure these parts on the buffer cylinder 6 with the guide tube 7 pulled back with sufficient force, the positioning cam 10 can be disengaged from the groove 11 while overcoming the pressure of the spring 9 and then the retaining ring with the guide tube can be removed from the buffer cylinder. Therefore, the corresponding guide tube 7 of an existing weapon, which is not provided with a locking ring 12, can easily be removed from the buffer cylinder 6 and replaced by the above-described unit with locking ring 12. Existing weapons can therefore be easily retrofitted.

Claims (8)

  1. Sécurité de détente d'une arme à feu (1), avec un levier de détente pivotable (2) et un tube-guide de sélection du mode de feu tournant (7), caractérisée en ce qu'il est prévu sur le tube-guide (7), entre une position de feu et une position de sécurité, une pièce de blocage (12) ajustable axialement qui, dans sa position de sécurité, se trouve dans le chemin de pivotement du levier de détente (2).
  2. Sécurité selon la revendication 1, caractérisée en ce que le tube-guide (7) est monté rotativement sur un cylindre d'amortissement (6).
  3. Sécurité selon la revendication 2, caractérisée en ce qu'au tube-guide (7) est disposé un ergot de positionnement (10) chargé par un ressort qui est destiné à être en prise dans une gorge annulaire (11) de longueur limitée du cylindre d'amortissement (6) et servant ainsi au positionnement axial et à la limitation du mouvement tournant du tube-guide (7).
  4. Sécurité selon l'une des revendications 1 à 3, caractérisée en ce que les deux positions de la pièce de blocage (12) sont déterminées par des butées (14, 15) et des encoches (16, 18) axiales.
  5. Sécurité selon l'une des revendications 2 à 4, caractérisée par une sécurité de rotation (13) entre le tube-guide (7) et la pièce de blocage (12).
  6. Sécurité selon la revendication 6, caractérisée en ce que la pièce de blocage est conçue comme anneau de sécurité (12) avec des côtés plats (12a) disposés l'un vis-à-vis de l'autre.
  7. Sécurité selon la revendication 6, caractérisée en ce qu'il est prévu un ressort de maintien bas (8) pour un déclencheur articulé d'arrêt (3) de l'arme (1), la partie d'accrochage du ressort de maintien bas (8) étant disposée dans un plan axial parallèle aux côtés plats (12a) de l'anneau de sécurité (12) et en ce qu'elle est pivotble d'environ 180° entre une position active et une position de repos.
  8. Sécurité selon la revendication 6 ou 7, caractérisée en ce que l'anneau de sécurité (12) se trouve entre les poignées (5) de l'arme.
EP89810192A 1989-03-10 1989-03-10 Dispositif de sûreté pour la détente d'une arme à feu Expired - Lifetime EP0386389B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE89810192T DE58906318D1 (de) 1989-03-10 1989-03-10 Abzugsicherung an einer Schusswaffe.
ES89810192T ES2047150T3 (es) 1989-03-10 1989-03-10 Dispositivo de seguridad de disparo de una arma de fuego.
EP89810192A EP0386389B1 (fr) 1989-03-10 1989-03-10 Dispositif de sûreté pour la détente d'une arme à feu
AT89810192T ATE98013T1 (de) 1989-03-10 1989-03-10 Abzugsicherung an einer schusswaffe.
US07/489,225 US5036749A (en) 1989-03-10 1990-03-06 Trigger safety for a firearm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89810192A EP0386389B1 (fr) 1989-03-10 1989-03-10 Dispositif de sûreté pour la détente d'une arme à feu

Publications (2)

Publication Number Publication Date
EP0386389A1 EP0386389A1 (fr) 1990-09-12
EP0386389B1 true EP0386389B1 (fr) 1993-12-01

Family

ID=8203135

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89810192A Expired - Lifetime EP0386389B1 (fr) 1989-03-10 1989-03-10 Dispositif de sûreté pour la détente d'une arme à feu

Country Status (5)

Country Link
US (1) US5036749A (fr)
EP (1) EP0386389B1 (fr)
AT (1) ATE98013T1 (fr)
DE (1) DE58906318D1 (fr)
ES (1) ES2047150T3 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH14263A (fr) * 1897-04-17 1897-10-31 Maxim Hiram Stevens Arme à feu automatique perfectionnée
FR8832E (fr) * 1904-01-23 1908-07-04 Armes De Guerre Fab Nat Dispositif de sureté pour fusils
US1249576A (en) * 1916-12-29 1917-12-11 Joseph H Wesson Safety device for shotguns.
US1451443A (en) * 1918-12-04 1923-04-10 Fowler Elbert Machine gun
US1803349A (en) * 1929-11-15 1931-05-05 Colt S Mfg Co Automatic firearm
BE398906A (fr) * 1932-10-18
US2374378A (en) * 1943-04-23 1945-04-24 Harrington & Richardson Arms C Bolt-action firearm

Also Published As

Publication number Publication date
US5036749A (en) 1991-08-06
ATE98013T1 (de) 1993-12-15
EP0386389A1 (fr) 1990-09-12
DE58906318D1 (de) 1994-01-13
ES2047150T3 (es) 1994-02-16

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