EP0114946A2 - Arme portative automatique avec verrouillage fixe de culasse, pour munition à impulsion de projectile extrêmement elevée - Google Patents

Arme portative automatique avec verrouillage fixe de culasse, pour munition à impulsion de projectile extrêmement elevée Download PDF

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Publication number
EP0114946A2
EP0114946A2 EP83110724A EP83110724A EP0114946A2 EP 0114946 A2 EP0114946 A2 EP 0114946A2 EP 83110724 A EP83110724 A EP 83110724A EP 83110724 A EP83110724 A EP 83110724A EP 0114946 A2 EP0114946 A2 EP 0114946A2
Authority
EP
European Patent Office
Prior art keywords
breech
closure
tube
carrier
slide
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
EP83110724A
Other languages
German (de)
English (en)
Other versions
EP0114946A3 (en
EP0114946B1 (fr
Inventor
Helmut Weldle
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.)
Heckler und Koch GmbH
Original Assignee
Heckler und Koch GmbH
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 Heckler und Koch GmbH filed Critical Heckler und Koch GmbH
Priority to AT83110724T priority Critical patent/ATE37949T1/de
Publication of EP0114946A2 publication Critical patent/EP0114946A2/fr
Publication of EP0114946A3 publication Critical patent/EP0114946A3/de
Application granted granted Critical
Publication of EP0114946B1 publication Critical patent/EP0114946B1/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
    • 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
    • F41A15/00—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun
    • F41A15/12—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun for bolt-action guns
    • F41A15/14—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun for bolt-action guns the ejector being mounted on or within the bolt; Extractors per se
    • 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
    • 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
    • F41A5/26—Arrangements or systems for bleeding the gas from the barrel
    • F41A5/28—Adjustable systems

Definitions

  • Handguns with a rigidly locked breech are usually designed as gas pressure loaders.
  • gas pressure loaders a connection to a gas cylinder is established via a bore opening into the barrel of the weapon, in which a movable piston is arranged which, under the influence of the gas pressure acting on it, executes a movement which unlocks the breech.
  • a two-part breech is used in gas pressure loaders which has a breech carrier and a breech head which is displaceable longitudinally with respect to the breech carrier and which carries locking members which can be brought into and out of engagement with corresponding locking members on the barrel of the weapon by the relative movement between the breech carrier and breech head.
  • the gas piston acts on the closure carrier and gives the closure carrier the relative movement to the closure head required to unlock the closure.
  • the unlocking process usually takes place only after the projectile has left the barrel of the weapon, so that the shooter over the rigid ver locked lock has to catch the entire projectile impulse. Therefore, it is only possible to fire ammunition with a relatively small projectile pulse with known handguns.
  • Handguns with rigidly locked breeches which are designed as recoil loaders, are essentially only known in the form of pistols.
  • the barrel is initially carried along by the one-piece breech until a lateral displacement of the barrel or breech takes place via control cams mounted in the housing, as a result of which locking lugs attached to the breech disengage from the barrel, as is the case with the Colt Government pistol.
  • the barrel is unsprung and is brought back into the firing position by the bouncing breech when the weapon is loaded. With this type of weapon, the barrel hits abutments undamped, which stop its return movement and unlock the barrel and breech.
  • the recoil pulse transmitted to the weapon is so great that such an arrangement is completely unsuitable for ammunition with an extremely high projectile pulse.
  • Recoil loaders with a two-part breech are known from gun-mounted machine guns have, however, the recoil forces transmitted to the weapon housing in such a locking system are so strong that previously rigidly locked recoil loaders with two-part breech have not been used in small arms.
  • stationary machine guns which are designed as a recoil loader with a two-part breech
  • the unlocking of the breech is brought about by the fact that the breech head returning with the tube has followers which, when the tube runs back with the rigidly locked breech head, on control curves in the tube or Start the breech housing and thereby unlock the breech head.
  • the invention has for its object to design an automatic handgun so that the force transmitted by the projectile to the weapon housing and to be absorbed by the shooter is almost uniform and strong force peaks are avoided.
  • a weapon solved which is designed as a recoil loader, which is supported by a spring and brake system on the gun housing, coated barrel, a rigidly lockable with the barrel breech, which is guided displaceably in the weapon housing and supported on a locking spring and a longitudinally displaceable relative to the breech carrier Locking head, which carries locking members which can be brought into and out of engagement with locking members arranged on the tube, and has cam and follow-up members comprising means for engaging and disengaging the locking members during the forward and backward movements of the closure and for the means for the outside -Introduction-bringing the locking members arranged on the tube and on the closure head is arranged between the closure carrier and the closure head during the return movement of the closure.
  • the invention thus makes use of the known principle of the recoil loader with a rigidly locked, two-part breech, although this principle has so far only been applied to stationary machine guns, because the recoil pulse transmitted to the weapon housing is so great that it cannot be expected to be picked up by a gunner can, so that the application of this principle to a handgun, which is intended to fire ammunition with extremely high projectile momentum, must appear senseless from the outset.
  • the handgun according to the invention is different in the known recoil loaders, the relative movement between the breech carrier and the breech head is not caused by control cams arranged in the weapon housing, but by means which are arranged between the breech carrier and the breech head.
  • the closure head with a cylindrical extension in a bore of the closure carrier is rotatably supported about its longitudinal axis and by a bolt inserted into a diagonal bore of the extension, which engages in an oblique slot of the closure carrier and thereby results in a longitudinal displacement of the closure head relative to the Closure carrier also causes rotation of the breech head, held in the breech carrier, which in turn is secured in its position by the firing pin axially penetrating in the breech head.
  • Such training is both particularly simple and very stable, as is required for a handgun exposed to very high loads, which is intended for ammunition with an extremely high projectile impulse.
  • force peaks can also result from the fact that the tube and / or the breech have a considerable speed at the end of their return movement and then hit buffers which are attached to the gun housing for this purpose quite hard. Since these force peaks are disturbing, the system described above must be designed so that the tube and closure are almost completely braked when they reach the intended end positions, so that the forces required for the complete braking necessary before the reversal of motion are not appear as disturbing force peaks. As a result, the system according to the invention must be matched very precisely to the projectile impulse of the intended ammunition type.
  • a further embodiment of the invention provides that the breech carrier is additionally operatively connected to a gas pressure charging device which can be modified, in particular switched off, in its effect.
  • Such a gas pressure charging device can have, in a manner known per se, a cylinder connected via a bore to the barrel and a piston which is displaceably mounted in the cylinder and acts on the breech carrier, which then gives the breech carrier additional acceleration when firing ammunition with a low projectile impulse so that the loading process takes place takes place properly.
  • the arrangement can, for example, be such that the gas pressure loading device which starts somewhat delayed as a result of the gas flow processes no longer has any significant effect when ammunition with a high projectile pulse is used, in which support by the gas pressure loading device is not required .
  • shut-off valve is also to be understood as a valve which not only either completely releases or completely shuts off the connection between the tube and the cylinder, but which can also be brought into intermediate positions in which it restricts this connection to a greater or lesser extent .
  • a valve can easily be designed so that it can be adjusted to different types of ammunition.
  • the shut-off valve could be formed by a slide arranged in the cylinder, which more or less ver ver the bore opening into the cylinder wall closes or releases. Such a slide can be easily adjusted from the side facing away from the piston without any sealing problems occurring because the slide, like the piston, can be tightly guided on the side of the bore in the cylinder facing away from the piston.
  • shut-off valve does not have to be adjusted manually to the different types of ammunition, but is instead automatically brought into a position which is adapted to the projectile impulse of the respective ammunition.
  • This not only simplifies the use of the firearm according to the invention, but above all it ensures that when the ammunition type is changed, an adjustment of the shut-off valve is not forgotten, and as a result of such a forgetting, if the projectile pulse is too low, it does not lead to loading inhibitions or if it is too strong Projectile impulse can not lead to significant mistakes or even injuries due to a hard setback.
  • This automatic adjustment of the shut-off valve is achieved in the preferred embodiment of the invention in that the position of the shut-off valve is controlled by an inertial mass that is movably mounted in relation to the tube and is loaded by a spring, in such a way that due to the adjustment of the size the mass and the force of the spring on the return behavior of the tube the mass only a slow return movement of the tube, as it takes place when firing ammunition with a small projectile impulse finds, follow and can keep the valve open, whereas the mass remains behind the pipe and the more the hole is closed off, the faster the return movement of the pipe takes place with a larger projectile impulse.
  • the shut-off valve can be formed by a slide arranged in the cylinder, and this slide can directly form the inert mass causing the valve control and can be loaded by a spring arranged in the cylinder, which tends to slide the slide in one with respect to the firing direction to hold the rear rest position in which the slide releases the bore.
  • the slide is designed as a sleeve which has an annular groove on its circumference, in the area of which the bore opens when the slide is in its rest position, and which is connected to the interior of the sleeve via radial bores. This design of the slide ensures that the forces exerted by the gas pressure on the sleeve compensate in the axial direction and the position of the slide is independent of the gas pressure prevailing in the cylinder.
  • the barrel 1 of the rifle shown in FIG. 1 is displaceably mounted in the weapon housing 2 in its longitudinal direction and is supported by a spring 6 and a system 6 containing a friction brake 5 on an abutment 8 containing disc springs 7.
  • a breech which consists of a breech slide 9 which is displaceable in its longitudinal direction in the weapon housing 2 and a breech head 10 which can be rigidly locked with the rear end of the tube 1 and rotates about its longitudinal axis.
  • the closure carrier 9 is of a closure spring 11 loaded, which is supported at the rear end of the weapon housing 2.
  • the closure carrier 9 has on its underside an extension 12 in which there is a bore 13 which is concentric with the axis of the tube 1 and into which the closure head 10 engages.
  • the closure head 10 has radially projecting, axially parallel locking combs 14 which, when the closure is locked, place corresponding locking combs 15 at the rear end of the tube 1.
  • the combs 14 on the closure head face gaps between the locking combs 15 on the tube 1 and vice versa.
  • a bolt 16 which is arranged at right angles to the longitudinal axis and which projects at one end over the circumference of the closure head 10.
  • This end forms a pin 17 which engages in a slot 18 which extends obliquely to the surface lines of the closure head 10 or the bore 13 in the closure carrier 9. Due to the engagement of the pin 17 in the oblique slot 18, there is a positive connection between the closure head 10 and the shoulder 12 on the closure carrier 9, which permits a limited axial movement of the closure head 10 relative to the closure carrier 9 with simultaneous rotation.
  • the bolt 16 is held in the closure head 10 by the firing pin 19, which is inserted into bores of the closure carrier 9 and the closure head 10 which are concentric with the axis of the tube 1 and is held at its rear end by an inserted bracket 20.
  • 2 and 3 reveal further details of the closure and components stored therein, namely a lever 21 for locking the closure head 10 in the unlocked state, an extractor claw 22 and a spring-loaded ejector rod 23.
  • the special feature of the recoil drawer described is the separation of the closure carrier 9 from the tube 1 with a differential speed starting at 0, whereby the screwing of the closure head out of the lock is extended in time and thus a completely shock-free unlocking is ensured.
  • the existing spring systems can be adjusted so that the Ammunition with the largest projectile impulse, i.e. if there is no gas pressure support, the tube reverses its direction of movement before it hits a stop that mechanically limits the return path, while the breech reaches its rear end position at a speed at which a perfect loading is still ensured, however, no significant force peaks occur. This means that the entire loading process can be controlled so that the projectile pulse is distributed very evenly over a long period of time and the shooter is able to fire ammunition with an extremely high projectile pulse.
  • This gas pressure charging device conventionally comprises a cylinder 31 which is attached to the top of the tube 1 and communicates with the interior of the tube via a radial bore 32.
  • a piston 33 is slidably mounted, which carries at its rear end with respect to the firing direction a piston rod 44 which projects from the bottom of the cylinder 31 and faces the end face of the breech carrier 9.
  • the piston rod 34 is surrounded by a helical compression spring 35, which endeavors to the piston 33 in the G in Fi. 1 shown to hold the front layer.
  • a valve 37 which in the illustrated embodiment is formed by an externally operable rotary valve, which is either the radial bore 32 connects to the interior 36 of the cylinder 31 or blocks the radial bore 32. This valve 37 therefore makes it possible, when firing ammunition with the extremely high projectile impulse, to render the gas pressure loading device ineffective by blocking the radial bore 32.
  • valve 37 can be opened so that the breech carrier 9 is given an additional acceleration by the gas pressure acting on the piston 33, which ensures that the breech 9 is unlocked properly and reaches its rear end position, as is necessary for a perfect loading process, even if the speed given as a result of the recoil to the tube 1 and thus the closure 9 would not be sufficient to bring about a perfect separation between the closure and the tube or even to bring the closure into its rear end position.
  • the advantage of the design of the rifle according to the invention is fully retained, namely that the unlocking of the breech is initiated completely smoothly by the slowly increasing relative speed of the breech 9 relative to the tube 1 as a result of the braking of the tube 1 and then increasingly by the effective gas pressure is only accelerated, without the occurrence of any pressure peaks.
  • valve 37 need not only have two positions in which the gas pressure charging system is either switched off or in effect, but that several positions are possible in which bores of different cross-sections are released in order to thereby open the cylinder 31 throttling gas flow to a greater or lesser extent and thereby adapt the effect of the gas pressure loading device to several different types of ammunition.
  • a valve has the disadvantage, however, that it must be set manually to the respective type of ammunition, so that there is a possibility that the correct setting will not be made for a variety of reasons.
  • the embodiment shown in FIG. 4 automatically adjusts itself to the respective type of ammunition and therefore ensures that such errors are avoided when handling the rifle.
  • a sleeve-shaped slide 44 is slidably mounted in the longitudinal direction in the cylinder 31.
  • This slide 44 is at its front with respect to the firing direction of one in the cylinder 31 is attached arranged helical compression spring 45 loaded, the end facing away from the slide 44 is supported on a screwed onto the front end of the cylinder 31 cover 46.
  • the spring 45 endeavors to hold the slide 44 in a rest position, in which its rear end abuts a stop 47 which is formed by a pin projecting radially into the cylinder 31.
  • the slide 44 has an annular groove 48 on its circumference, in the area of which the bore 32 connecting the pipe 1 to the cylinder 31 opens when the slide 44 assumes its rest position, which is defined by the abutment on the stop 47.
  • the annular groove 48 is connected via radial bores 49 to the interior of the sleeve-shaped slide 44, so that powder gases can enter the cylinder 31 through the bore 32, the annular groove 48 and the radial bores
  • curves 51 and 52 illustrate the return movement of the barrel locking system in the case of ammunition with weak or strong projectile impulses.
  • the ordinate of the diagram according to FIG. 5 indicates the path s and the abscissa the time t during which the path s marked by the ordinate is covered. It can easily be seen that the movement of the pipe closure system represented by curve 52 is much faster with a strong projectile impulse and therefore also with greater acceleration than the return movement of the pipe closure system with weak projectile impulse which occurs through the curve 51 is illustrated.
  • the dash-dotted curve 53 in FIG. 5 illustrates the Be movement of the system formed by the slide 54 and the helical compression spring 55.
  • This system is tuned in such a way that when the projectile pulse is weak, the slide 44 follows the return movement of the pipe closure system, so that the slide 44 maintains its position in relation to this system and the bore 32 in the region of the groove during the entire return movement 49 of the slide 44 and propellant gases can freely enter the cylinder 31.
  • the gas pressure charging device is then fully effective in the manner described above.
  • the mass of the slide 44 and the force of the spring 45 can be selected so that in connection with the design of the control surfaces on the slide 44 such an amount of gas in each the cylinder 31 is let in that, in a wide range of different types of ammunition, the impulse exerted by the recoil and the gas pressure on the tube-closure system or the closure is always sufficient to carry out the loading process properly, but without the pulse energy being significantly greater than the energy required for the charging process, so that there is no significant excess of energy that would have to be destroyed and lead to unbearable peaks in force.
  • the invention is not limited to the exemplary embodiments shown, but deviations are possible without leaving the scope of the invention.
  • devices other than valves to influence the action of the gas pressure charging system, for example devices for braking or even locking the piston actuated by the gas pressure.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Emergency Lowering Means (AREA)
  • Ladders (AREA)
  • Buckles (AREA)
EP83110724A 1982-11-30 1983-10-27 Arme portative automatique avec verrouillage fixe de culasse, pour munition à impulsion de projectile extrêmement elevée Expired EP0114946B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83110724T ATE37949T1 (de) 1982-11-30 1983-10-27 Automatische handfeuerwaffe mit starr verriegeltem verschluss fuer munition mit extremem geschossimpuls.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3244315A DE3244315C2 (de) 1982-11-30 1982-11-30 Automatische Handfeuerwaffe mit starr verriegeltem Verschluß für Munition mit extrem hohem Geschoßimpuls
DE3244315 1982-11-30

Publications (3)

Publication Number Publication Date
EP0114946A2 true EP0114946A2 (fr) 1984-08-08
EP0114946A3 EP0114946A3 (en) 1986-07-02
EP0114946B1 EP0114946B1 (fr) 1988-10-12

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ID=6179465

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83110724A Expired EP0114946B1 (fr) 1982-11-30 1983-10-27 Arme portative automatique avec verrouillage fixe de culasse, pour munition à impulsion de projectile extrêmement elevée

Country Status (5)

Country Link
US (1) US4635530A (fr)
EP (1) EP0114946B1 (fr)
AT (1) ATE37949T1 (fr)
CA (1) CA1226459A (fr)
DE (1) DE3244315C2 (fr)

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WO1998055818A1 (fr) * 1997-06-05 1998-12-10 Izhmash Ojsc Arme automatique
WO2021099132A1 (fr) * 2019-11-21 2021-05-27 Rheinmetall Waffe Munition Gmbh Culasse de système d'arme et système d'arme muni de la culasse

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US5353681A (en) * 1993-03-16 1994-10-11 Sugg Ronald E Recoil dampening device for large caliber weapons
US5640794A (en) * 1995-07-07 1997-06-24 Fn Manufacturing, Inc. Fire control mechanism for an automatic pistol
DE19903322B4 (de) 1999-01-28 2005-03-17 Heckler & Koch Gmbh Selbstlade-Handfeuerwaffe mit einem beweglichen Verschluß mit Verriegelungswarzen
DE19903327B4 (de) * 1999-01-28 2004-08-12 Heckler & Koch Gmbh Verschlußvorrichtung für eine Handfeuerwaffe
AUPQ598700A0 (en) * 2000-03-02 2000-05-18 Vader Pty Ltd Weapon
US7237469B2 (en) * 2002-09-04 2007-07-03 Heckler & Koch, Gmbh Firearms having a locked breech
US7311032B2 (en) * 2002-09-04 2007-12-25 Heckler & Koch, Gmbh Firearms with gas pressure loading mechanisms
ITMI20041594A1 (it) * 2004-08-03 2004-11-03 Beretta Armi Spa Arma da fuoco individuale con dispositivo di riarmo migliorato
US7448307B1 (en) * 2005-09-30 2008-11-11 Vesselin Dafinov Gas operated semi-automatic rifle
DE102007034672A1 (de) 2007-07-25 2009-01-29 Heckler & Koch Gmbh Verschlussbauteil, Verschlussanordnung und Verriegelungseinrichtung für eine Waffe
DE102007034671A1 (de) 2007-07-25 2009-01-29 Heckler & Koch Gmbh Rohrführungsanordnung, Waffenrohranordnung und Bremsfederanordnung
US8210089B2 (en) * 2008-07-01 2012-07-03 Adcor Industries, Inc. Firearm having an indirect gas impingement system
US9261314B1 (en) 2010-07-19 2016-02-16 Jason Stewart Jackson Sleeve piston for actuating a firearm bolt carrier
US9488423B2 (en) 2011-01-14 2016-11-08 Arm West, Llc Firearm systems and methods
US8746126B2 (en) * 2011-11-23 2014-06-10 Jing Zheng Annular piston system for rifles
US8997620B2 (en) 2012-03-09 2015-04-07 Adcor Industries, Inc. Handle assembly for charging a direct gas impingement firearm
US9010233B2 (en) * 2012-12-17 2015-04-21 Tactical Arms Holdings Co., Llc Firearm action and gas system
US20150176943A1 (en) * 2013-05-13 2015-06-25 Giulio Iervolino Rifle System
US9021935B1 (en) 2013-12-05 2015-05-05 George Kellgren Hollow hammer with downward ejecting chamber for rifle
AR104686A1 (es) * 2015-05-22 2017-08-09 Arm West Llc Sistemas y métodos de arma de fuego
WO2019144144A1 (fr) * 2018-01-22 2019-07-25 Vojtech Dvorak Percuteur composite de simulateur d'arme à feu
US11035636B2 (en) 2019-07-26 2021-06-15 Smith & Wesson Inc. Shotgun ammunition feeding system
US11306995B2 (en) 2019-08-06 2022-04-19 Smith & Wesson Inc. Shotgun configuration
US11326845B2 (en) 2019-08-13 2022-05-10 Smith & Wesson Inc. Firearm having reciprocable breech cover
US11022386B2 (en) 2019-08-15 2021-06-01 Smith & Wesson Inc. Firearm breech cover interlock
EP3800427A1 (fr) * 2019-10-04 2021-04-07 Glock Technology GmbH Arme à feu dotée d'un éjecteur
US11846484B2 (en) * 2020-12-21 2023-12-19 Caracal International, Llc Firearm with gas piston assembly
DE102021005162A1 (de) 2021-10-15 2023-04-20 Heckler & Koch Gmbh Gasabnahme

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DE2443044B2 (de) * 1973-10-03 1977-05-12 Werkzeugmaschinenfabrik Oerlikon-Bührle AG, Zürich (Schweiz) Verschluss fuer selbsttaetige feuerwaffe
FR2256391A1 (fr) * 1973-12-28 1975-07-25 Sarmac Sa

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998055818A1 (fr) * 1997-06-05 1998-12-10 Izhmash Ojsc Arme automatique
CN1073229C (zh) * 1997-06-05 2001-10-17 伊斯马股份公司 自动武器
WO2021099132A1 (fr) * 2019-11-21 2021-05-27 Rheinmetall Waffe Munition Gmbh Culasse de système d'arme et système d'arme muni de la culasse
US11815325B2 (en) 2019-11-21 2023-11-14 Rheinmetall Waffe Munition Gmbh Breechblock of a weapon system and weapon system with the breechblock

Also Published As

Publication number Publication date
CA1226459A (fr) 1987-09-08
EP0114946A3 (en) 1986-07-02
DE3244315C2 (de) 1984-11-29
ATE37949T1 (de) 1988-10-15
US4635530A (en) 1987-01-13
DE3244315A1 (de) 1984-05-30
EP0114946B1 (fr) 1988-10-12

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