EP1780493B1 - Verbesserter halbautomatischer Karabiner - Google Patents

Verbesserter halbautomatischer Karabiner Download PDF

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Publication number
EP1780493B1
EP1780493B1 EP06022006A EP06022006A EP1780493B1 EP 1780493 B1 EP1780493 B1 EP 1780493B1 EP 06022006 A EP06022006 A EP 06022006A EP 06022006 A EP06022006 A EP 06022006A EP 1780493 B1 EP1780493 B1 EP 1780493B1
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EP
European Patent Office
Prior art keywords
semi
floating mass
sliding guide
automatic rifle
rifle according
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.)
Active
Application number
EP06022006A
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English (en)
French (fr)
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EP1780493A1 (de
Inventor
Alain Botty
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.)
Browning International SA
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Browning International SA
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Filing date
Publication date
Application filed by Browning International SA filed Critical Browning International SA
Publication of EP1780493A1 publication Critical patent/EP1780493A1/de
Application granted granted Critical
Publication of EP1780493B1 publication Critical patent/EP1780493B1/de
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Anticipated expiration legal-status Critical

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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
    • F41A5/00—Mechanisms or systems operated by propellant charge energy for automatically opening the lock
    • F41A5/18—Mechanisms or systems operated by propellant charge energy for automatically opening the lock gas-operated
    • 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
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
    • F41A3/14—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively
    • F41A3/16—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks
    • F41A3/26—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks semi-automatically or automatically operated, e.g. having a slidable bolt-carrier and a rotatable bolt

Definitions

  • the invention relates to an improved semi-automatic rifle.
  • a representative rifle is described in BE 1015572 .
  • a semi-automatic rifle is provided with a gas-assisted rearming device to allow the automatic resetting of the rifle during firing, that is to say to extract the barrel chamber and eject it and secondly, feed a new cartridge into this chamber.
  • the reset device comprises a gas cylinder whose chamber is in communication with the bore of the barrel through a vent hole and which contains a piston which is in contact with the moving parts which can control the resetting of the rifle.
  • the principle of operation of a semi-automatic rifle is the recovery through the orifice between the barrel and the gas cylinder of a part of the gases emitted by the explosion of the powder of the cartridge before the bullet of this same cartridge is removed from the barrel, that is to say high pressure gas.
  • the moving parts are stopped in their movement by the contact with a damper assembly.
  • This rebound may cause malfunctions in the feeding of the next cartridge or in keeping the moving parts in the open position when firing the last cartridge.
  • the moving parts are provided with a floating mass.
  • This floating mass is sent backward at the same time as the other moving parts by the action of the piston, but is free to continue its movement after the other moving parts are stopped by the contact with the damper.
  • recuperating spring pushes all the moving parts towards the front of the rifle to load a new cartridge into the chamber of the barrel and to find the so-called closed position and thus to end up with the possibility of performing an extra shot.
  • the invention aims to simplify the automatic reset device and improve its operation by reducing the weight on the front of the rifle to ensure a better fluidity in the movements of the rifle.
  • an improved semiautomatic rifle comprising a carcass; a cannon; a slide assembly mounted in the carcass and secured to a set of locks for controlling the rearming and locking of the rifle; an automatic reset device comprising a piston mounted in a gas cylinder whose chamber is in communication with the bore of the barrel through a vent hole, the piston being in contact with a slide head which is connected to the assembly slider and which is mounted in a sliding manner on a guide rod which is integral with the carcass and which is arranged mainly parallel to the axis of the barrel; a floating mass which is traversed by the guide rod and which is slidably mounted in the axial direction of the guide rod between two faces of a housing in the slide head; and a recovery spring mounted around the guide rod and disposed between the carcass and the floating mass, characterized in that the slide head is made at least partially of technical thermoplastic material.
  • thermoplastic material makes it possible to improve the damping capacities.
  • the low density of this material in comparison with the materials currently used, reduces the overall weight of all moving parts and therefore the total weight of the rifle, as well as reducing weight on the rifle. before the rifle since the slide head is located on the front of the rifle.
  • the reduction of the weight of the slide head also allows the reduction of the weight of the floating mass which is part of all the parts. movable, allowing a further reduction of the weight on the front of the rifle and a weight ratio of the moving parts and the weight of the floating mass more favorable.
  • the recovery spring consists of a flat wire and not a wire round as there are most known semi-automatic rifles.
  • the flat wire also makes it possible to use the outer surface of the recuperating spring as a guide for the sliding of the floating mass. This solution offers the opportunity to remove the guides and springs of the floating mass which are currently separate parts and thus allows to further reduce the weight on the front of the rifle.
  • the semi-automatic rifle 1 shown in the figures comprises a carcass 2, a barrel 3 mounted at the front of this carcass 2, a butt 4 at the rear of the carcass 2, a not shown fire mechanism which is essentially inside the carcass 1 comprising a percussion mechanism controlled by a trigger 5, and a handguard 6 to hold the rifle 1.
  • the barrel 3 is secured to the carcass 2 and has a bore 7 with a chamber 8 to larger diameter at the entrance of the barrel 3 sized to receive a cartridge.
  • the firing mechanism comprises a feed device for transferring a cartridge from an ammunition magazine not shown in the chamber 8 of the barrel 2, this device essentially comprising a slide assembly 9 mounted in the carcass 2 and slidable in the axial extension. gun 3 between an open position for feeding the cartridge into the chamber 8 and a closed position for enclosing the cartridge in the chamber 8.
  • the slide assembly 9 is integral with a set of bolts 10 for locking the slide assembly 9 in its closed position and an armature lever assembly 11 for manually actuating the slide assembly 9 to load and extract cartridges shot by blow.
  • the firing mechanism also comprises an automatic reset device 11 for actuating the slide assembly 9 automatically after firing in order to extract and eject the socket of the fired cartridge and to automatically reload a new cartridge. .
  • the automatic reset device 12 is covered by the handguard 5 and comprises a piston 13 mounted in a gas cylinder 14 located at a distance from the chamber 8 of the barrel 3 and whose chamber 15 is in communication with the bore 7 of the barrel 3 by a vent hole 16.
  • the piston 13 is in contact with a mass called slider head 17 which is connected to the slide assembly 9 by means of two rods 18 and which is mounted in a sliding manner on a guide rod 19, one end of which is integral with the carcass 2 by a retaining pin 20 and whose other end is housed in a bore 21 of the piston 13 to form a stop for the movement of the piston 13.
  • a mass called slider head 17 which is connected to the slide assembly 9 by means of two rods 18 and which is mounted in a sliding manner on a guide rod 19, one end of which is integral with the carcass 2 by a retaining pin 20 and whose other end is housed in a bore 21 of the piston 13 to form a stop for the movement of the piston 13.
  • the guide rod 19 is arranged mainly parallel to the axis of the barrel 3 and has a stop 22 called carcass spacer, itself secured to the carcass 2.
  • the face of the slide head 17 which is in contact with the piston 13 is reinforced by a reinforcing plate 23.
  • the slide head 17 has a housing 24 for a floating mass 25 which has a bore 26 which is traversed by the guide rod 19 so that the floating mass 25 can slide freely in the axial direction of the guide rod 19 between two faces 27 and 28 housing 24.
  • a recuperating spring 29 is mounted around the guide rod 19 and is disposed between the carcass 2 and the floating mass 25.
  • recuperating spring 29 tends to ensure the contact of the floating mass 25 with the front face 27 of its housing 24 and thus to maintain by the rods 18, the complete slide assembly 9 - lock 10 - cocking lever 11 in the closed position to lock the cartridge in the chamber 8 of the barrel 3.
  • the recovery spring is supported on two stops, that is to say at its front end on a stop 30 inside the floating mass 25 and at the front end thereof and to the another end on a stop 31 consisting of a set of two sheets 32 and a damper 33, itself bearing on the frame 2.
  • this stop 31 is provided by the guide rod 19 and the carcass 2.
  • the recuperating spring 29 consists of a flat wire and the outer diameter of the recuperating spring corresponds mainly to the inside diameter of the bore 26 of the floating mass 25 so that the outer surface of the spring recuperator 29 can serve as a guide for sliding of the floating mass 25.
  • the floating mass 29 is preferably also guided by the guide rod 19 and the inner flanks of the slide head 17.
  • the slide head 17 is made entirely or at least partially of technical thermoplastic material, for example a polymer or a polymer loaded with fiberglass treated for impact resistance.
  • the floating mass 25 is made of steel or other material of similar density, for example of high density polymer material.
  • the operation of the semi-automatic rifle 1 is illustrated by the figures 2 and 8 to 11 which represent the situation at different consecutive moments of the shot.
  • the figure 2 represents the situation where the moving parts are in the closed and locked position and ready for shot when a cartridge is in chamber 8 of the barrel 3.
  • This pressure is also sent into the vent hole 16 and thus into the gas cylinder 14. This causes a translational movement of the piston 13 which strikes the slide head 17.
  • the figure 8 represents the position of moving parts just after firing.
  • the firing gases begin to push back the piston 13.
  • the latter strikes the whole of the reinforcing plate 23 and the slide head 17, forcing the retraction of the slide assembly 9 by the rods 18 and the assembly locks 10 to unlock the barrel 3.
  • the figure 9 shows the end of movement of the piston 13. It is stopped in its axial movement by one end of the guide rod 19.
  • the set of moving parts 9, 10, 11, 17, 18 and 23 continues its course following the transmitted energy by the shock with the piston 13.
  • the floating mass 25 continues to move towards the carcass 2 and strikes the inside rear face 28 of the slide head 17 as shown in FIG. figure 11 .
  • recuperating spring 29 pushes the set of moving parts 9-10-11-17-18-23 towards the front of the rifle 1 in order to automatically feed the chamber 8 with a new cartridge from the magazine and to find the so-called closed position and so to end up with the possibility of making an extra shot.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Toys (AREA)
  • Ropes Or Cables (AREA)
  • Lock And Its Accessories (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Passenger Equipment (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Slot Machines And Peripheral Devices (AREA)
  • Catching Or Destruction (AREA)

Claims (10)

  1. Verbesserter halbautomatischer Karabiner mit einem Verschlussgehäuse (2), einem Lauf (3) und einer Schubeinheit (9), die im Verschlussgehäuse (2) montiert und mit einem Schloss (10) verbunden sind, mit dem der Karabiner (1) wieder gespannt und verriegelt werden kann, einer automatischen Spannvorrichtung (12) mit einem Kolben (13), der in einem Gaszylinder (14) montiert ist, dessen Kammer (15) mit der Bohrung (7) des Laufs (3) durch eine Öffnung (16) verbunden ist, wobei der Kolben (13) mit einem Schubkopf (17) in Kontakt ist, der mit der Schubeinheit (9) verbunden und verschiebbar auf einer Führungsstange (19) montiert ist, die mit dem Verschlussgehäuse (2) fest verbunden und im Wesentlichen parallel zur Achse des Laufs (3) angeordnet ist, einer Schwungmasse (25), durch die die Führungsstange (19) hindurch führt und die in axialer Richtung der Führungsstange (19) zwischen zwei Seiten (27, 28) eines Lagers (24) im Schubkopf (17) gleitend montiert ist, und einer Rückholfeder (29), die um die Führungsstange (19) montiert und zwischen dem Verschlussgehäuse (2) und der Schwungmasse (25) angeordnet ist, dadurch gekennzeichnet, dass der Schubkopf (17) mindestens teilweise aus einem technischen Thermoplastwerkstoff gefertigt ist.
  2. Halbautomatischer Karabiner nach Anspruch 1, dadurch gekennzeichnet, dass der Schubkopf (17) ganz aus einem technischen Thermoplastwerkstoff gefertigt ist.
  3. Halbautomatischer Karabiner nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der technische Thermoplastwerkstoff des Schubkopfes (17) ein Polymer ist.
  4. Halbautomatischer Karabiner nach einem der vorstehenden Ansprüche,dadurch gekennzeichnet, dass der technische Thermoplastwerkstoff des Schubkopfes (17) ein Glasfaser verstärktes Polymer ist, das zur Erhöhung der Stoßfestigkeit behandelt ist.
  5. Halbautomatischer Karabiner nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Schwungmasse (25) aus Stahl oder einem anderen Werkstoff mit ähnlicher Dichte gefertigt ist.
  6. Halbautomatischer Karabiner nach Anspruch 5, dadurch gekennzeichnet, dass die Schwungmasse (25) aus einem hochdichten Polymerwerkstoff gefertigt ist.
  7. Halbautomatischer Karabiner nach einem der vorstehenden Ansprüche,dadurch gekennzeichnet, dass die Rückholfeder (29) aus einem Flachdraht besteht.
  8. Halbautomatischer Karabiner nach Anspruch 7,dadurch gekennzeichnet, dass die Außenfläche der Rückholfeder (29) als Führung zum Gleiten der Schwungmasse (25) dient.
  9. Halbautomatischer Karabiner nach Anspruch 8,dadurch gekennzeichnet, dass die Rückholfeder (29) in einer Bohrung (26) der Schwungmasse (25) liegt und dass der Innendurchmesser der Bohrung (26) im Wesentlichen dem Außendurchmesser der Rückholfeder (29) entspricht.
  10. Halbautomatischer Karabiner nach einem der Ansprüche 7 bis 9,dadurch gekennzeichnet, dass die Schwungmasse (25) an ihrem vorderen Ende einen Anschlag (30) besitzt, der als Auflagefläche für das vordere Ende der Rückholfeder (29) dient.
EP06022006A 2005-10-25 2006-10-20 Verbesserter halbautomatischer Karabiner Active EP1780493B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2005/0524A BE1016821A3 (fr) 2005-10-25 2005-10-25 Carabine semi-automatique amelioree

Publications (2)

Publication Number Publication Date
EP1780493A1 EP1780493A1 (de) 2007-05-02
EP1780493B1 true EP1780493B1 (de) 2008-06-11

Family

ID=36578822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06022006A Active EP1780493B1 (de) 2005-10-25 2006-10-20 Verbesserter halbautomatischer Karabiner

Country Status (7)

Country Link
US (1) US7467581B2 (de)
EP (1) EP1780493B1 (de)
AT (1) ATE398272T1 (de)
BE (1) BE1016821A3 (de)
DE (1) DE602006001453D1 (de)
ES (1) ES2306342T3 (de)
PT (1) PT1780493E (de)

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DE102005043653A1 (de) * 2005-09-13 2007-03-15 Heckler & Koch Gmbh Gaszylinderbauteil und Handfeuerwaffe
US7448307B1 (en) * 2005-09-30 2008-11-11 Vesselin Dafinov Gas operated semi-automatic rifle
ITMI20061022A1 (it) * 2006-05-24 2007-11-25 Remington Arms Co Inc Arma da fuoco azionata mediante gas
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US8250964B2 (en) 2007-08-29 2012-08-28 Ra Brands, L.L.C. Gas system for firearms
US7946214B2 (en) 2007-08-29 2011-05-24 Ra Brands, L.L.C. Gas system for firearms
US8109194B2 (en) 2009-03-20 2012-02-07 Ra Brands, L.L.C. Clamped gas block for barrel
USD661364S1 (en) 2010-06-21 2012-06-05 Ra Brands, L.L.C. Gas block
US8061260B2 (en) 2009-06-22 2011-11-22 Ra Brands, L.L.C. Gas plug retention and removal device
US8528458B2 (en) 2011-07-27 2013-09-10 Bernard T. Windauer Pressure-regulating gas block
US8844425B2 (en) * 2011-08-08 2014-09-30 Elite Tactical Advantage Recoil apparatus for firearm
US11236959B2 (en) * 2013-01-11 2022-02-01 Alan K. Dugger Detachable firearm magazine springs formed from wire having non-round cross section
US9383154B2 (en) 2013-12-12 2016-07-05 Ra Brands, L.L.C. Gas vent for firearm
US9562730B2 (en) 2014-01-13 2017-02-07 Ra Brands, L.L.C. Replaceable feed ramp
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DE102014109567A1 (de) * 2014-07-09 2016-01-14 L&O Hunting Group GmbH Gasdruckladegewehr
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AU2017378996B2 (en) 2016-12-19 2024-02-08 Savage Arms, Inc. Semi-automatic shotgun and components thereof
US11879700B2 (en) 2016-12-19 2024-01-23 Savage Arms, Inc. Semi-automatic shotgun and components thereof
EP3698095B1 (de) 2017-10-20 2023-08-16 Sturm, Ruger & Company, Inc. Feuerwaffe mit masseverschluss
DE102019132880B4 (de) * 2019-12-03 2023-05-17 Präzisionstechnik Volkach GbR (vertretungsberechtigte Gesellschafter: Wilfried Alber, 97332 Volkach; Georg Holthaus, 97318 Kitzingen) Verschlusssystem für eine Schusswaffe
DE102023112184B3 (de) 2023-05-09 2024-04-04 Heinz-Eckhard Engel Repetiergewehr

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Also Published As

Publication number Publication date
ES2306342T3 (es) 2008-11-01
PT1780493E (pt) 2008-09-08
US7467581B2 (en) 2008-12-23
BE1016821A3 (fr) 2007-07-03
EP1780493A1 (de) 2007-05-02
US20070131104A1 (en) 2007-06-14
ATE398272T1 (de) 2008-07-15
DE602006001453D1 (de) 2008-07-24

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