EP3973244B1 - Boîtier supérieur pour une arme à feu - Google Patents

Boîtier supérieur pour une arme à feu Download PDF

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Publication number
EP3973244B1
EP3973244B1 EP20718522.4A EP20718522A EP3973244B1 EP 3973244 B1 EP3973244 B1 EP 3973244B1 EP 20718522 A EP20718522 A EP 20718522A EP 3973244 B1 EP3973244 B1 EP 3973244B1
Authority
EP
European Patent Office
Prior art keywords
rail block
supporting part
rail
screwed
upper receiver
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
EP20718522.4A
Other languages
German (de)
English (en)
Other versions
EP3973244A1 (fr
Inventor
Lukas JÜNGER
Florian RICHLER
Mario BRANDSTETTER
Johannes Wagner
Alexander Giesen
Michael Engesser
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.)
Steyr Arms GmbH
Original Assignee
Steyr Arms 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 Steyr Arms GmbH filed Critical Steyr Arms GmbH
Priority to HRP20230771TT priority Critical patent/HRP20230771T1/hr
Publication of EP3973244A1 publication Critical patent/EP3973244A1/fr
Application granted granted Critical
Publication of EP3973244B1 publication Critical patent/EP3973244B1/fr
Active legal-status Critical Current
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
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
    • F41A3/36—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing
    • F41A3/44—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having sliding locking elements, e.g. balls, rollers
    • 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
    • F41A3/64—Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings
    • F41A3/66—Breech housings or frames; Receivers
    • 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
    • F41A11/00—Assembly or disassembly features; Modular concepts; Articulated or collapsible guns
    • 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
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/48—Barrel mounting means, e.g. releasable mountings for replaceable barrels

Definitions

  • the present invention relates to an upper housing for a firearm, comprising a supporting part which supports a barrel liner for receiving a barrel, a guide for a longitudinally displaceable bolt carrier and an anchorage for a sighting device, such as in US2017/0314880A described.
  • the aim of the invention is to overcome the disadvantages of the prior art mentioned and to create an upper housing for a firearm which offers high accuracy and functional reliability even under heavy loads.
  • an upper housing of the type mentioned in the introduction which is characterized according to the invention in that the upper housing comprises a rail block and that the guide for the bolt carrier is formed on the underside of a rail block made of metal, which has the anchoring on its upper side for the sighting device, the supporting part being made of metal and screwed to the bushing on the one hand and to the rail block on the other hand.
  • the bolt carrier guide and the sight anchorage are realized in a common rail block, which is rigidly screwed to the barrel via the metal support part.
  • the sighting device is connected to the bushing with high strength, so that material drift and thus incorrect adjustment is prevented even under heavy loads.
  • the bolt carrier guide is high-strength as part of the rail block via the supporting part Barrel connected, which prevents malfunctions even with prolonged use of the weapon. The result is an upper housing with high accuracy and functional reliability.
  • the supporting part is formed by two housing halves made of metal, which accommodate the bushing and the rail block between one another, with the upper side of the rail block being exposed, and which housing halves are each screwed to the bushing and the rail block.
  • the housing halves can be easily manufactured, e.g. by milling, and only need to be screwed to the liner and the rail block when the weapon is assembled. Disassembling the weapon is also very easy by loosening the screw connections and separating the two halves of the housing.
  • the rail block partially overlaps the bushing, the bushing being screwed to the supporting part by means of screws passing through the rail block in the overlapping area.
  • the screws connecting the bushing to the supporting part thus fix the rail block in the supporting part at the same time.
  • the rail block and the liner preferably have aligned bores in their overlapping area, in which a dowel pin is inserted, which facilitates the assembly of the weapon.
  • the rail block and the bushing can first be aligned relative to one another and temporarily fixed and then screwed together with the supporting part or the housing halves.
  • the sight could be mounted directly to the anchorage provided for this purpose on the top of the rail block.
  • the visor anchorage of the rail block can, for example, be designed directly in the form of a Picatinny rail. According to a preferred variant, however, it is provided that the anchorage has at least one dovetail guide for a Picatinny rail for the detachable mounting of the sighting device has, so that a wide variety of commercially available Picatinny rails can be used.
  • the supporting part has a connecting link for a control pin of a lock that can be moved in the lock carrier.
  • the bolt carrier contains a bolt head that can be rotated in the barrel, and the control bolt of the bolt head engages in the connecting link of the carrying part in such a way that it is released (unlocked) from the barrel when the weapon is repeated and then locked in again by turning, as in technology known.
  • the connecting link is reinforced with a reinforcement rail that is made of a material that is different from the metal of the supporting part, preferably steel.
  • the reinforcing rail can be embedded in the support part, for example, or is screwed onto the inside of a housing half, in particular.
  • the support part is made of light metal, preferably aluminum, which results in high deformation resistance with low weight.
  • the supporting part is formed from two housing halves, these can also be used particularly easily to anchor other parts of the weapon.
  • the housing halves can accommodate a downwardly projecting magazine holder between one another and be screwed to this, which enables simple assembly.
  • the upper housing 1 for a (not shown) firearm is shown.
  • the upper housing 1 comprises a support part 2 made of metal, which can be in one piece or (as shown here) composed of two housing halves 3', 3".
  • a bushing 4 for Accommodating a barrel (not shown)
  • a rail block 5 made of metal which has several functions:
  • the rail block 5 has a guide 6 on its underside for a bolt carrier 7, which can be displaced longitudinally in the guide 6 with respect to the supporting part 2 and the Liner 4 is.
  • the top of the rail block 5 is equipped with an anchorage 8 for a sighting device (not shown).
  • the rail block 5 forms the upper end of the upper housing 1, ie together with the housing halves 3', 3" it forms an approximately U-shaped cross section , upper case open towards the bottom 1.
  • the terms “down” and “up” here refer to the normal position of use of the weapon, as in the 1 , 3 and 4 is shown.
  • the terms “longitudinally displaceable” and “longitudinal direction” relate to the running direction or axis of the weapon.
  • the terms “front” and “back” refer to the muzzle side (front) and shooter side (back) of the gun, respectively.
  • the terms “left” and “right” refer to the shooter's line of sight when shooting.
  • the liner 4 has a central bore 9 for receiving the rear end of the barrel (not shown), which can be screwed to an external thread 10 of the liner 4, for example with the aid of a union nut.
  • the liner 9 On its rear side, the liner 9 has a ring of bayonet grooves 11, with which a toothed ring-like breech head, which is mounted in the breech carrier 7 in a longitudinally displaceable and rotatable manner, can be rotationally locked, as is known in the art.
  • the bolt carrier guide 6 on the underside of the rail block 5 is a T-groove in which an upper part 12 of the bolt carrier 7 with a T-shaped profile is slidably guided.
  • the bolt carrier guide 6 could also have a different cross-sectional shape, which interacts with a correspondingly complementary part of the bolt carrier 7 and supports this in the upper housing 1 in a longitudinally displaceable manner.
  • the visor anchorage 8 of the rail block 5 can, for example, through holes, tabs, undercuts or the like. be formed at the top of the rail block 5.
  • the visor anchorage 8 comprises a plurality of dovetail guides distributed over the longitudinal direction of the rail block 5, onto which a Picatinny rail (not shown) with a dovetail groove on the underside can be slid;
  • the sighting device can then be mounted on the Picatinny rail in an adjustable and detachable manner, as can other add-on parts of the weapon, e.g. grenade launchers, bayonets, laser pointers, searchlights, etc.
  • the other components of the weapon are usually also mounted on the upper housing 1, more precisely the carrying part 2, e.g Upper housing 1 and a stock or a stock in the area 16 to the rear of the upper housing 1.
  • the upper housing 1 can, for example, have a fore-end connection block 17 included, which is received between the housing halves 3', 3" in a downwardly projecting manner and is screwed to them by means of screws 18; a magazine holder 19 which is received between the housing halves 3', 3" and projects downwards and is screwed to them by means of screws 20; a hinge 21 with a hinge pin 22 in the rear area of the upper housing 1, for example at the rear end of the right-hand housing half 3", in order to articulate a foldable buttstock or a folding stock there; and a receptacle 23 with anchoring bores 24 for anchoring a trigger group in area 15, which is
  • the barrel can be aligned in its direction of rotation by means of a grooved pin 25, which penetrates the wall of the
  • the bolt carrier guide 6 and the sight anchorage 8 on the common rail block 5 are rigidly fixed in position relative to one another.
  • the bushing 4 is also rigidly fixed in position relative to the bolt carrier guide 6 and relative to the sight anchorage 8. This results in a stable adjustment of the visor anchorage 8 relative to the barrel accommodated in the liner 4 and thus a dimensionally stable permanent adjustment of the visor to the barrel.
  • the rail block 5 is screwed to the support part 2 or the housing halves 3', 3" by means of a set of screws 26, which pass through lateral bores 27 in the housing halves 3', 3" and engage in corresponding threaded bores 28 in the rail block 5.
  • the bushing 4 can be screwed to the supporting part 2 or the housing halves 3′, 3′′ using separate screws or—as shown—some of the screws 26 can also be used for this purpose Approaches 29 the upper part 30 of the liner 4. In this overlapping area, the screws 26 pass through the holes 28 in the lugs 29 of the rail block 5 and engage in threaded holes 31 in the upper part 30 of the liner 4 a.
  • the bushing 4 is thus fixed in the support part 2 at the same time as the rail block 5 .
  • the bushing 4 can be pre-fixed to the rail block 5.
  • the rail block 5 and the bushing 4 have aligned bores 32, 33 in the overlapping area, into which a dowel pin 34 can be inserted, which temporarily holds the bushing 4 between the shoulders 29 of the rail block 5 until it is connected to the housing halves 3' by means of the screws 26. , 3" is screwed together. In the screwed together state, the housing halves 3', 3" hold the dowel pin 34 firmly between one another.
  • the supporting part 2 has on its inside, here in particular on the left housing half 3 ′, a link 35 for a control pin 36 of the bolt or bolt head guided in the bolt carrier 7 .
  • link 35 is a groove running in the longitudinal direction of the weapon on the inside of housing half 3'.
  • a reinforcement rail 37 is provided to reinforce the gate 35, which forms a section of the upper side wall of the gate groove and is screwed to the housing half 3' by means of screws 38.
  • the entire connecting link 35 could also be made from an insert made of a harder material than the housing half 3', for example hard steel.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Toys (AREA)
  • Casings For Electric Apparatus (AREA)
  • Memory System Of A Hierarchy Structure (AREA)

Claims (10)

  1. Boitier supérieur (1) pour une arme à feu, comprenant une partie de support (2) fabriquée en métal, laquelle reçoit une douille canon (4) pour l'admission d'un canon, un guide (6) pour un support de culasse (7) déplaçable longitudinalement et un ancrage (8) pour un dispositif de visée, caractérisé en ce que le boitier supérieur (1) comprend un bloc rail (5) et que le guide (6) pour le support de culasse (7) est, sur la face inférieure du bloc rail (5), fait en métal, lequel bloc rail présente sur sa face supérieure l'ancrage (8) pour le dispositif de visée, dans lequel la partie de support (2) est vissée d'une part avec la douille canon (4) et d'autre part avec le bloc rail (5).
  2. Boitier supérieur selon la revendication 1, caractérisé en ce que la partie de support (2) est formée par deux moitiés de boitier (3', 3") en métal, lesquelles reçoivent entre elles la douille canon (4) et le bloc rail (5), dans lequel la face supérieure du bloc rail (5) est exposée et lesquelles moitiés de boitier (3', 3") sont respectivement vissées avec la douille canon (4) et le bloc rail (5).
  3. Boitier supérieur selon la revendication 1 ou 2, caractérisé en ce que le bloc rail (5) se superpose partiellement à la douville canon (4), dans lequel la douille canon (4) est vissée avec la partie de support (2) au moyen des vis (26) traversantes le bloc rail (5) dans la zone de superposition.
  4. Boitier supérieur selon la revendication 3, caractérisé en ce que le bloc rail (5) et la douille canon (4) ont dans leur zone de superposition des trous alignés (32, 33) dans lesquels est insérée une goupille d'ajustage (34).
  5. Boitier supérieur selon l'une des revendications 1 à 4, caractérisé en ce que l'ancrage (8) présente au moins un guide en queue d'aronde pour un rail Picatinny permettant un montage amovible du dispositif de visée.
  6. Boitier supérieur selon l'une des revendications 1 à 5, caractérisé en ce que la partie de support (2) présente une coulisse (35) pour un boulon de commande (36) d'une culasse mobile dans le support de culasse (7).
  7. Boitier supérieur selon la revendication 6, caractérisé en ce que la coulisse (35) est renforcée avec un rail de renfort (37) qui est fabriqué à base d'un matériau différent du métal de la partie de support (2), de préférence en acier.
  8. Boitier supérieur selon les revendications 2 et 7, caractérisé en ce que le rail de renfort (37) est vissé sur la face intérieure d'une moitié de boitier (3').
  9. Boitier supérieur selon l'une des revendications 1 à 8, caractérisé en ce que la partie de support (2) est fabriquée dans un métal léger, de préférence en aluminium.
  10. Boitier supérieur selon l'une des revendications 2 à 9, caractérisé en ce que les moitiés de boitier (3', 3") reçoivent entre elles un support de magasin (19) s'évasant vers le bas et sont vissées avec celui-ci.
EP20718522.4A 2019-05-23 2020-03-30 Boîtier supérieur pour une arme à feu Active EP3973244B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HRP20230771TT HRP20230771T1 (hr) 2019-05-23 2020-03-30 Gornje spremište za vatreno oružje

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50477/2019A AT522076B1 (de) 2019-05-23 2019-05-23 Obergehäuse für eine Feuerwaffe
PCT/AT2020/060133 WO2020232481A1 (fr) 2019-05-23 2020-03-30 Boîtier supérieur pour une arme à feu

Publications (2)

Publication Number Publication Date
EP3973244A1 EP3973244A1 (fr) 2022-03-30
EP3973244B1 true EP3973244B1 (fr) 2023-05-24

Family

ID=70285340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20718522.4A Active EP3973244B1 (fr) 2019-05-23 2020-03-30 Boîtier supérieur pour une arme à feu

Country Status (6)

Country Link
US (1) US11796266B2 (fr)
EP (1) EP3973244B1 (fr)
AT (1) AT522076B1 (fr)
ES (1) ES2953200T3 (fr)
HR (1) HRP20230771T1 (fr)
WO (1) WO2020232481A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11768042B2 (en) 2021-07-09 2023-09-26 WHG Properties, LLC Cam race for firearm
WO2023191732A1 (fr) * 2022-03-30 2023-10-05 Bahtiyar Tasyagan Structure de carcasse en plastique sur pistolets pcp

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE895677A (fr) * 1983-01-24 1983-07-25 Herstal Sa Carcasse pour fusil de chasse
US4972617A (en) * 1986-06-19 1990-11-27 Barbara Major Automatic firearm
DE102007011504B4 (de) * 2007-03-09 2014-10-16 German Sport Guns Gmbh Handfeuerwaffe
US8479429B2 (en) * 2009-03-24 2013-07-09 Sturm, Ruger & Company, Inc. Firearm with quick coupling barrel system
US8490312B2 (en) * 2009-03-24 2013-07-23 Sturm, Ruger & Company, Inc. Quick coupling barrel system for firearm
US8087194B1 (en) * 2009-03-24 2012-01-03 Sturm, Ruger & Company, Inc. Firearm barrel retaining system
US9057576B2 (en) * 2009-03-24 2015-06-16 Sturm, Ruger & Company, Inc. Firearm with quick coupling barrel system
DE102010009488B3 (de) * 2010-02-26 2011-04-07 Heckler & Koch Gmbh Waffengehäuse, Waffe mit einem Waffengehäuse sowie Verfahren zum Zusammensetzen eines Waffengehäuses
US9816546B2 (en) * 2012-07-31 2017-11-14 Lwrc International Llc Barrel nut assembly and method to attach a barrel to a firearm using such assembly
US9140506B2 (en) * 2012-07-31 2015-09-22 Lwrc International Llc Firearm receiver assembly
US9506711B2 (en) * 2012-07-31 2016-11-29 Lwrc International Llc Barrel nut assembly and method to attach a barrel to a firearm using such assembly
US9003684B2 (en) * 2013-08-27 2015-04-14 Tim Shawn Bero Compact survival firearm
US9528782B2 (en) * 2014-08-01 2016-12-27 Helvetic Design Corporation Firearm system and methods of assembly and disassembly
US9664465B1 (en) * 2015-12-15 2017-05-30 Smith & Wesson Corp. Bolt carrier bearing tube for rifle receiver
US10145632B2 (en) * 2016-04-28 2018-12-04 Eric Dienno Replacement receiver assembly for an AK-47
AT519567B1 (de) * 2017-05-04 2018-08-15 Steyr Mannlicher Gmbh Gehäuse für eine Feuerwaffe mit Wechsellauf
US11519690B2 (en) * 2019-11-15 2022-12-06 Stephen Aldstadt Semi-automatic rifle
US11598595B2 (en) * 2020-10-15 2023-03-07 Robin Wall Modular bushing adapter bolt action assembly for interchanging barrels

Also Published As

Publication number Publication date
ES2953200T3 (es) 2023-11-08
HRP20230771T1 (hr) 2023-10-27
US11796266B2 (en) 2023-10-24
AT522076A4 (de) 2020-08-15
US20220316830A1 (en) 2022-10-06
EP3973244A1 (fr) 2022-03-30
AT522076B1 (de) 2020-08-15
WO2020232481A1 (fr) 2020-11-26

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