EP0039274A1 - Schusszahlbegrenzer für Serienfeuer - Google Patents

Schusszahlbegrenzer für Serienfeuer Download PDF

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Publication number
EP0039274A1
EP0039274A1 EP19810400609 EP81400609A EP0039274A1 EP 0039274 A1 EP0039274 A1 EP 0039274A1 EP 19810400609 EP19810400609 EP 19810400609 EP 81400609 A EP81400609 A EP 81400609A EP 0039274 A1 EP0039274 A1 EP 0039274A1
Authority
EP
European Patent Office
Prior art keywords
trigger
hammer
limiter
stop
selector
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.)
Granted
Application number
EP19810400609
Other languages
English (en)
French (fr)
Other versions
EP0039274B1 (de
Inventor
Allain André Georges Coubes
René Edouard Marie Pons
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.)
Direction General pour lArmement DGA
Etat Francais
Original Assignee
Direction General pour lArmement DGA
Etat Francais
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 Direction General pour lArmement DGA, Etat Francais filed Critical Direction General pour lArmement DGA
Publication of EP0039274A1 publication Critical patent/EP0039274A1/de
Application granted granted Critical
Publication of EP0039274B1 publication Critical patent/EP0039274B1/de
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
    • F41A19/01—Counting means indicating the number of shots fired
    • F41A19/02—Burst limiters
    • 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 technical sector of the present invention is that of shot counters, or burst limiters, for automatic firearms, in particular portable firearms, of the hammer-actuated striker type set in motion by the movement of a mobile assembly.
  • the command to interrupt the firing of the burst is done by means of a limiter trigger acting on a notch formed in a rod connected to the percussion hammer, the trigger being controlled by a cam carried by the notched part serving as a counting system.
  • This rod also provides the movement relay for the counting system, by engaging with an advance pawl meshing in the notched part.
  • the respective positioning of the trigger 6 and of the catch notch on the hammer rod integrates all the defects inherent in the influence of the positioning tolerances of the parts. This positioning is all the more disturbed that, in this case, the number of parts is important. Furthermore, the combination of the aforementioned complex movements and significant inertial stresses causes premature wear of the notch, and therefore an insufficient lifetime of the stop system.
  • burst limitation systems use a large number of parts in a reduced space.
  • the limiter trigger can, during breakage, deterioration or blocking of certain parts such as the notched part for example, block the hammer in the "armed" position without the shooter being able to intervene other than by disassembly of the weapon.
  • German patent 1 297 002 describes a burst limiter of this type, in which the kinematic chain for controlling the stopping of the hammer hammer is simplified, but does not provide for the cooperation of the limiter trigger, or '' firing stop, with the fire selector trigger.
  • the present invention proposes to overcome the aforementioned drawbacks, in particular the untimely detachment of the trigger for firing the burst and neutralizing the weapon by a defect in the burst limitation system, and thus to increase the reliability. counting and use of a counting system as described above.
  • the clutch stop trigger is released by the single operation of the fire selector in limited bursts.
  • the subject of the invention is therefore a shot counter device for automatic, in particular portable firearms, device of the type comprising a notched piece, for example a ratchet wheel, advancing with a tooth, with each shot fired, under the action of an advance pawl set in motion by the striker hammer, and which, by a control cam with which it is provided, causes a limiter trigger to act to interrupt the burst after a predetermined number of shots, device characterized in that the limiter trigger has an approximate shape of an elongated S, pivoting in its central part on an axis integral with the hammer stop, and is maintained in support, by one of its ends, on the control cam carried by the notched piece, using a torsion spring fixed on the stop and resting on it, the other end coming in taken in the hammer nut.
  • the trigger has in its central part a lateral projection for the support of the torsion spring.
  • Another object of the invention is a device as described above, provided with a selector for suppressing fire in limited bursts, in which the limiter trigger cooperates with the selector.
  • the end of the limiter trigger engaging the hammer nut is provided with a lateral projection forming a stop for the head of the selector.
  • the device as described above further comprises a carriage sliding on the lower wall of the expansion box, maneuvered by the selector head, and coming, when the latter is in abutment on the trigger limiter, neutralize the action of the advance pawl.
  • the improved fi facede to stop counting and the use of such a metering system is an important psychological factor against the fear of the user to take a long burst while he pro - programmed one short burst, and to see his weapon blocked by an incident of part rupture in the counting system.
  • the trigger device to which the stroke counter according to the invention applies comprises a hammer 2 pivoting on a pin 2a between the side walls of the trigger box 4.
  • the hammer is subjected to the action of compression of a helical spring 7, mounted around a rod 1 connected by articulation to the hammer, and which is supported on a stop 3 secured to the expansion box.
  • the striker hammer is actuated from the trigger by the return of the mobile assembly in the direction of arrow F.
  • the stroke counter or burst limiter device comprises a ratchet wheel 12 rotating on an axis 13 resting on the side walls of the expansion box 4.
  • An advance pawl 14 having substantially the shape of an L , comes, by one of its ends, to cooperate in support with the rod 1 transmitting the movement of the hammer 2, while, by its other end, it engages with the ratchet wheel to rotate it by a tooth counterclockwise.
  • the ratchet wheel comprises a peripheral part constituting a control cam 18 determining the position of a limiter trigger 19 which is the organ for interrupting the burst after a predetermined number of strokes.
  • This limiter trigger has an S shape elongated, pivoting in its central part on an axis 20 integral with the hammer stop 3.
  • one end 19a of the trigger bears on the control cam 18 under the action of a torsion spring 21 fixed on the one hand on the stop and resting thereon, and, d on the other hand on a lateral projection 19c of the trigger in its central part, the other end 19b being free relative to the hammer nut 11.
  • the end 19a is gradually released from the action of the control cam, and under the action of the spring 21, the trigger pivots and its end 19b engages in the notch 22 formed in the hammer nut ( Figure 3).
  • the engagement of the trigger 19 in the notch 22 has the effect of maintaining the hammer 2 in a rear position thereby preventing it from igniting a new cartridge brought by the breech.
  • the center of gravity of the trigger 19 is positioned towards the end 19b.
  • the end 19b of the limiter trigger has a lateral projection or a flange 19d, which allows, by operating the selector lever 8 to suppress firing in limited bursts (for example by rotation of 180 °), the head 8a of this selector coming to constitute an obstacle to any positioning of the trigger allowing the hammer to stop.
  • the stop constituted by the head of the selector 8a allows, as much as possible, under the action of the spring 21, the position of the trigger drawn in dotted lines in FIG. 4.
  • the operation of the selector 8 also causes the carriage 23 to move by sliding along the lower wall of the expansion box, which comes by its upper part 23a to immobilize the advance pawl 14, thus relieving the parts which are associated (springs and trigger) of any work when shooting in limited bursts is not selected and the counter of shots is not used.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Percussive Tools And Related Accessories (AREA)
EP19810400609 1980-04-21 1981-04-16 Schusszahlbegrenzer für Serienfeuer Expired EP0039274B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8008849 1980-04-21
FR8008849A FR2480929A1 (fr) 1980-04-21 1980-04-21 Compteurs de coups pour armes a feu automatiques

Publications (2)

Publication Number Publication Date
EP0039274A1 true EP0039274A1 (de) 1981-11-04
EP0039274B1 EP0039274B1 (de) 1984-03-14

Family

ID=9241129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810400609 Expired EP0039274B1 (de) 1980-04-21 1981-04-16 Schusszahlbegrenzer für Serienfeuer

Country Status (3)

Country Link
EP (1) EP0039274B1 (de)
DE (1) DE3162596D1 (de)
FR (1) FR2480929A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0188179A1 (de) * 1984-12-10 1986-07-23 FABBRICA D'ARMI P.BERETTA S.p.A. Vorrichtung zum Umwandeln von automatischen Waffen mit geschlossenem Verschluss in automatische Waffen mit offenem Verschluss
EP0203034A2 (de) * 1985-03-22 1986-11-26 FABBRICA D'ARMI P.BERETTA S.p.A. Schusszahlbegrenzer für Serienfeuer an automatischen Waffen
WO2008122981A1 (en) * 2007-04-10 2008-10-16 Dov Pikielny Limited use firearm

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1121981B (de) * 1958-05-24 1962-01-11 Fritz Walther Vorrichtung zum wahlweisen Einstellen von Dauerfeuer, Serienfeuer oder Einzelschuss an automatischen Handfeuerwaffen
DE1297002B (de) * 1966-03-31 1969-06-04 Heckler & Koch Gmbh Schusszaehler fuer automatische Feuerwaffen mit Hahnschlagzuendung
FR2146710A5 (de) * 1971-07-20 1973-03-02 Heckler & Koch Gmbh
FR2201451A1 (de) * 1972-10-02 1974-04-26 Sturm Ruger & Co

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1121981B (de) * 1958-05-24 1962-01-11 Fritz Walther Vorrichtung zum wahlweisen Einstellen von Dauerfeuer, Serienfeuer oder Einzelschuss an automatischen Handfeuerwaffen
DE1297002B (de) * 1966-03-31 1969-06-04 Heckler & Koch Gmbh Schusszaehler fuer automatische Feuerwaffen mit Hahnschlagzuendung
FR2146710A5 (de) * 1971-07-20 1973-03-02 Heckler & Koch Gmbh
FR2201451A1 (de) * 1972-10-02 1974-04-26 Sturm Ruger & Co

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0188179A1 (de) * 1984-12-10 1986-07-23 FABBRICA D'ARMI P.BERETTA S.p.A. Vorrichtung zum Umwandeln von automatischen Waffen mit geschlossenem Verschluss in automatische Waffen mit offenem Verschluss
EP0203034A2 (de) * 1985-03-22 1986-11-26 FABBRICA D'ARMI P.BERETTA S.p.A. Schusszahlbegrenzer für Serienfeuer an automatischen Waffen
EP0203034A3 (en) * 1985-03-22 1987-08-26 Fabbrica D'armi P.Beretta S.P.A. Shot-number limiters for automatic firearms
WO2008122981A1 (en) * 2007-04-10 2008-10-16 Dov Pikielny Limited use firearm

Also Published As

Publication number Publication date
EP0039274B1 (de) 1984-03-14
FR2480929B1 (de) 1983-11-10
FR2480929A1 (fr) 1981-10-23
DE3162596D1 (en) 1984-04-19

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