EP0216015B1 - Fusil comportant un dispositif de montage pour canons échangeables - Google Patents

Fusil comportant un dispositif de montage pour canons échangeables Download PDF

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Publication number
EP0216015B1
EP0216015B1 EP86107503A EP86107503A EP0216015B1 EP 0216015 B1 EP0216015 B1 EP 0216015B1 EP 86107503 A EP86107503 A EP 86107503A EP 86107503 A EP86107503 A EP 86107503A EP 0216015 B1 EP0216015 B1 EP 0216015B1
Authority
EP
European Patent Office
Prior art keywords
barrel
projection
recess
housing
breech block
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
Application number
EP86107503A
Other languages
German (de)
English (en)
Other versions
EP0216015A1 (fr
Inventor
Benedikt Rieger
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Priority to AT86107503T priority Critical patent/ATE47222T1/de
Publication of EP0216015A1 publication Critical patent/EP0216015A1/fr
Application granted granted Critical
Publication of EP0216015B1 publication Critical patent/EP0216015B1/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
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/48—Barrel mounting means, e.g. releasable mountings for replaceable barrels
    • F41A21/484—Barrel mounting means, e.g. releasable mountings for replaceable barrels using interlocking means, e.g. by sliding pins

Definitions

  • the invention relates to a rifle with a barrel holder for exchangeable barrels and a breech housing connected to a barrel, the rear barrel end being in a sleeve part enclosing the barrel and on the barrel part an attachment pointing towards the barrel is present, through which barrel and barrel can be releasably connected, and in which the chamber of a cylinder lock engages in a locking mechanism at the barrel end.
  • the breech housing has a transverse groove in which the shoulder of the sleeve part engages.
  • a screw is provided, which is inserted into a transverse bore of the closure housing and screwed into a thread provided in the shoulder. With this screw, the shoulder is to be clamped onto the groove base perpendicular to the barrel axis.
  • the connection between the barrel and the breech housing can be released or re-established relatively easily, but only with a wrench (Allen key). Loosening or tightening the screw takes a certain amount of time.
  • a carriage In a tube return gun described in DE-C-323971, a carriage carries the tube over its entire width. A repeating process is not possible.
  • the front support bearing is attached directly to the barrel, which prevents the barrel from vibrating.
  • the barrel is screwed into the jacket using a bayonet catch. Both the barrel and the jacket are connected to the slide, i.e. different parts in terms of material and function. When a pipe has become hot, thermal stresses occur. Precise barrel positioning is therefore very much in question.
  • the tube is only attached to the barrel via an extension.
  • a sleeve is just as little available as there is free space for a repeating system.
  • the FR-A-507219 can only be removed in the direction of travel.
  • the barrel bearing is not sufficiently precise; it is not clear how a repeating device should be attached to this bush. There are no counter bearings and no wedge bracing so that tightening after wear is not possible.
  • the invention is therefore based on the object to provide a rifle with a barrel holder for interchangeable barrels of the type mentioned, in which the connection between the sleeve part and the breech housing is particularly stable and precise and can be released quickly without any tools and without the risk of losing connecting parts or can be restored.
  • the solution to this problem is according to the invention is that there are two approaches sufficiently far apart in the axial direction on the sleeve part, namely a rear attached to the sleeve part, consisting of two laterally attached elements on the sleeve part, which are curved Support abutment surfaces on the breech housing, with overlaps on the breech housing preventing a direct lifting of the sleeve part from the breech housing, and a front attachment attached to the front of the sleeve, which has a locking recess, and the breech housing is extended to the area of the front attachment and there carries a latch cooperating with the latch recess.
  • This design of the rifle enables the barrel to be released and reconnected quickly without any tools.
  • To release the barrel only the bolt is pressed out of its locked position into its release position, whereupon the front part of the barrel can be swiveled up relative to the breech housing and the shaft.
  • the rear extension can be pulled out after a swivel angle of about 20 to 30 °.
  • the rear extension is inserted into the recess so that its rear end rests on the abutment surface of the recess.
  • the front end of the barrel is now pivoted downward by about 20 to 30 ° with respect to the breech housing and the shaft, the front attachment reaching the area of the bolt.
  • Lock housing serve, a very stable and exact connection between the barrel and the lock housing is created, which ensures high accuracy even immediately after connecting the two parts.
  • the large axial distance between the two lugs and the parts of the breech housing interacting with them gives the barrel the greatest possible directional stability.
  • the relatively long sleeve part enables the attachment of a likewise relatively long receiving prism for mounting a telescopic sight, which can accommodate telescopic sights of various makes and of various lengths.
  • the rifle scope can remain connected to the barrel when the barrel is detached from the breech housing.
  • a particularly advantageous embodiment of the invention consists in the fact that the barrel at its rear barrel end has a breech head worked on the barrel with several radially inwardly projecting locking projections that cooperate with the chamber, that the barrel in front of the breech head has a smaller diameter in the front region of the cartridge chamber than the breech head, that the barrel is inserted from behind into a longitudinal bore of the sleeve part with its smaller part in diameter and soldered or glued to the sleeve part.
  • This configuration simplifies the manufacture of the barrel and the sleeve part.
  • the barrel is essentially just a turned part.
  • the sleeve part since it does not form part of the cylinder closure in this embodiment, can be produced as an investment casting and requires no reworking.
  • the sleeve part can then be connected to barrels of different calibres.
  • the barrel can have a relatively small diameter in the area in front of the breech head, as a result of which the sleeve part also has a smaller outer diameter and the overall weight of the rifle is reduced.
  • the breech housing 1 is connected to the shaft 3 by means of the screws 2.
  • a housing part 4 which carries the chamber 5 with the locking projections 6, is displaceably guided in the direction of the barrel axis A.
  • the housing part 4 has two guide strips 7, 8, which are displaceable in two upwardly open guide grooves 9 of the closure housing 1.
  • a sleeve part 10 is also provided, which has a longitudinal bore 11.
  • the sleeve part 10 is provided with a first attachment 12 at its rear end and with a second attachment 13 at its front end.
  • the first attachment 12 has a recess 15 which extends in the direction of the barrel axis A.
  • the two guide rails 7, 8 also run through this recess.
  • the barrel 16 has a machined, ie. H. with the barrel made of one piece locking head 16a, which is provided with a plurality of radially inwardly projecting locking projections 17.
  • the barrel 16 In front of the closure head 16a, the barrel 16 has a cylindrical part 16b in the region of the cartridge chamber, the diameter D2 of which is smaller than the diameter D1 of the closure head 16a.
  • the barrel 16 is inserted from the rear into the longitudinal bore 11 and expediently soldered or possibly also glued to the sleeve part 10. In the latter case, a cross pin (not shown) can be provided for safety reasons, which engages partly in the sleeve part 10 and partly in the part 16 b of the barrel 16.
  • the sleeve part 10 has a greater length L in the axial direction, which should be at least three times as large as the diameter D2 of the barrel part 16b enclosed by the sleeve part.
  • the extension 12 extends from the sleeve part 10 downwards and also backwards to the rear end of the closure head 16a.
  • the closure housing 1 is provided with a recess 18 which is continuous in the transverse direction and is open at the top and in which the first projection 12 engages appropriately.
  • This recess 18 has an abutment surface 19 at the rear and a counter surface 20 opposite the abutment surface, which is directed obliquely upwards at the front.
  • the abutment surface 19 has an undercut that partially overlaps the rear support surface 21 of the extension 18.
  • the attachment 12 is supported at the front with a front support surface 22 on the counter surface 20, the distance between the two support surfaces 21, 22 being such that the attachment 12 fits into the recess 18 in a clamping manner.
  • the abutment surface 19, as shown in FIG. 1, is expediently curved in a semicircular shape and the rear support surface 21 is curved in a semicircular manner to match this.
  • the abutment surface 19 then serves as a bearing pan when the barrel 16 is pivoted relative to the breech housing 1.
  • the abutment surface 19 'semicircular mig is convexly curved and the support surface 21 'is designed to be semicircular concave.
  • the projection 13 provided at the front end of the sleeve part 10 and projecting downward has a locking recess 23.
  • a bolt 24 interacts with this bolt recess and is displaceable in the breech housing 1 transversely to the running axis A.
  • the bolt 24 is expediently pressed into the locked position by a spring 25. So that it is automatically pushed to the side by pivoting the barrel through the extension 13; the projection 13 has an inclined surface 26 and the latch has an inclined surface 27.
  • the sleeve part 10 is provided with a flat bottom surface 28 which bears against an upper contact surface 29 of the closure housing 1. So that both surfaces 28, 29 are held together without play, the bolt 24 has a wedge surface 30 which is slightly inclined with respect to its direction of displacement B and which cooperates with a correspondingly inclined wedge surface 31 of the bolt recess 23 of the projection 13.
  • the wedge surfaces 30, 31 are inclined at an angle of approximately 3 ° with respect to the direction of displacement B of the bolt 24.
  • the breech housing 1 in the region of the second attachment 13 has a recess 32 extending in the direction of the barrel axis A, the side surfaces of which extend laterally in the direction of the barrel axis A. the second paragraph 13.
  • the bolt 24 has a groove 33 extending in the direction of the running axis A, in which the guide bar 7 of the housing part 4 engages. In this way, an unwanted displacement of the bolt 24 from its locking position shown in Figure 3 is prevented.
  • a recess 34 provided at the front end of the guide strips 7 comes to rest in the region of the latch 24 only when the housing part 4 is pulled completely to the rear with the closure open. The guide bar 7 then no longer engages in the groove 33 and the bolt 24 can be moved against its spring 25 into its unlocked position.
  • the bolt 24 releases the front shoulder 13 and the barrel 16 can be pivoted upward with its front end over the closure housing 1.
  • the abutment surface 19 serves as a bearing pan for the rear support surface 21 of the extension 12.
  • the barrel 16 is shifted in the dash-dotted position in the direction of the barrel axis until the support surface 27 of the rear extension 12 bears against the abutment surface 19. Now the barrel 16 is pivoted downward relative to the breech housing 1, the front extension 13 entering the recess 32. Shortly before the bottom surface 28 comes into contact with the upper contact surface 29 of the closure housing 1, the front support surface 22 bears against the inclined surface 20, as a result of which the shoulder 12 with its rear support surface 21 is pressed firmly against the abutment surface 19. Due to the inclined surface 26 on the front shoulder 13 and the inclined surface 27 on the bolt 24, the latter is pressed to the side against the force of the spring 25 and then automatically snaps into its locking division shown in FIG.
  • the bolt 24 does not allow the cylinder lock to function if the barrel has not been inserted correctly. Only when the bolt 24 has again reached its locking position shown in FIG. 3, is its groove 33 again in the displacement region of the guide bar 7 and only then can the housing 4 of the cylinder lock be moved again from.
  • the barrel change can therefore only be carried out when the breech is open and it is ensured that the barrel is firmly connected to the breech housing 1 in an exact manner when a shot is fired and this connection cannot be inadvertently released.
  • the sleeve part 10 also has in its upper region a receiving prism 35 for holding a riflescope, not shown.
  • connecting parts are only provided between the closure housing 1 and the sleeve part 10. No transverse forces are exerted on the barrel by the connecting and fastening parts. Since the latter only act on the sleeve part and not on any ballistic elements, the accuracy can not be affected in any way.
  • the sleeve part 10 has at its rear end a closure head 36 with a plurality of radially inwardly projecting locking parts 37 which cooperate with the chamber.
  • the barrel 16 ' is inserted into the longitudinal bore 11' of the sleeve part from the front and can either be soldered in or connected to the sleeve part 10 'via a thread 38.
  • the connecting parts to the closure housing 1 are formed in a similar manner as in the embodiment described above, so that a repeated description is unnecessary.

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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)
  • Adornments (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Endoscopes (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Toys (AREA)
  • Prostheses (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Claims (14)

1. Fusil comprenant un dispositif de montage pour canons interchangeables et une boîte de culasse (1) reliée à une crosse (3), l'extrémité arrière du canon étant emboîtée dans un élément- douille (10) entourant le canon (16) et l'élément- douille (10) présentant une saillie (13) qui est orientée en direction de la crosse et par laquelle le canon (16) et la crosse (3) peuvent être reliés de manière amovible, la chambre (5) d'une culasse cylindrique pénètre dans un verrouillage (16a) à l'extrémité de canon, caractérisé par le fait que l'élément-douille (10) présente deux saillies (12, 13) se trouvant à une distance suffisante l'une de l'autre dans le sens axial, à savoir une saillie (12) qui est disposée à l'arrière de l'élément-douille (10) et se compose de deux éléments disposés latéralement sur l'élément-douille (10) et portant contre des surfaces de contre-appui (19) courbées d'un évidement (18) de la boîte de culasse (1), des chevauchements sur la boîte de culasse (1) empêchant une séparation directe de l'élément-douille (10) de la boîte de culasse (1), et une saillie avant (13) disposée à l'avant de la douille et présentant un évidement de verrou (23), et que la boîte de culasse (1) est prolongée jusque dans la zone de la saillie avant (14) et porte ici un verrou (24) coopérant avec l'évidement de verrou (23).
2. Fusil selon la revendication 1, caractérisé par le fait que le canon (16) présente à son extrémité arrière une tête de culasse (16a) réalisée d'une seule pièce avec le canon et comprenant plusieurs saillies de verrouillage (17) s'étendant radialement vers l'intérieur et coopérant avec la chambre (5), que le canon (16) présente avant la tête de culasse (16a), dans la zone avant de la chambre de cartouche (16c), un diamètre (D2) inférieur à celui de la tête de culasse (16a), et que le canon (16) est glissé de l'arrière dans un trou longitudinal (11) de l'élément-douille (10) et est soudé ou collé à l'élément-douille (10) par sa partie (16b) de plus petit diamètre.
3. Fusil selon la revendication 1 ou 2, caractérisé par le fait que la longueur axiale (L) de l'élément-douille (10, 10') correspond à au moins trois fois le diamètre (D2) de la partie du canon (15, 16') entourée par l'élément-douille (10, 10').
4. Fusil selon l'une quelconque des revendications 1, 2 ou 3, caractérisé par le fait que l'évidement (18) présente à l'avant une surface antagoniste (20) opposée à la surface de contre-appui (19, 19') et orientée en biais vers l'avant et vers le haut, et que la première saillie (12, 12') présente une surface d'appui (21, 21') arrière appliquée contre la surface de contre-appui (19, 19') et une surface d'appui (22) avant appliquée contre la surface antagoniste (20), la distance entre les deux surfaces d'appui (21, 22) étant dimensionnée de telle manière qu'après l'engagement par pivotement de son extrémité avant, la saillie s'ajuste avec un léger serrage dans l'évidement (18).
5. Fusil selon la revendication 4, caractérisé par le fait que la surface de contre-appui (19) présente une courbure concave en forme de demi-cercle et, de manière correspondante, la surface d'appui (21) arrière présente une courbure convexe en demi-cercle (fig. 1).
6. Fusil selon la revendication 4, caractérisé par le fait que la surface de contre-appui (19') présente une courbure convexe en forme de demi-cercle et, de manière correspondante, la surface d'appui (21') arrière présente une courbure concave en demi-cercle (fig. 4).
7. Fusil selon au moins l'une des revendications 1 à 6, caractérisé par le fait que la première saillie (12) présente un évidement (15) qui s'étend dans le sens de l'axe de canon (A) et dans lequel est disposé un passage de magasin (14).
8. Fusil selon la revendication 1, caractérisé par le fait que la boîte de culasse (1) présente dans la zone de la deuxième saillie (13) un évidement (32) qui s'étend dans le sens de l'axe de canon (A) et dont les faces latérales s'étendant dans le sens de l'axe de canon (A) sont appliquées latéralement contre la deuxième saillie (13).
9. Fusil selon la revendication 1 ou 8, caractérisé par le fait que le verrou (24) est déplaçable perpendiculairement à l'axe de canon (A).
10. Fusil selon la revendication 9, caractérisé par le fait que la deuxième saillie (13) présente en bas une surface oblique (26) et le verrou (24) présente en haut une surface oblique (27) et que le verrou (24) est poussé par la force d'un ressort (25) en position de verrouillage.
11. Fusil selon au moins l'une des revendications 1 à 10, caractérisé par le fait que le verrou (24) présente une rainure (33) s'étendant dans le sens de l'axe de canon (A), dans laquelle pénètre l'une des baguettes de guidage (7, 8) de la partie de la boîte (4), portant la chambre (5), d'une culasse cylindrique.
12. Fusil selon au moins l'une des revendications 1 à 11, caractérisé par le fait que le verrou (24) et l'évidement de verrou (23)' présentent des surfaces de coin (30, 31) qui sont légèrement inclinées par rapport au sens de déplacement (B) du verrou (24) et appliquées l'une contre l'autre en position de verrouillage.
13. Fusil selon la revendication 12, caractérisé par le fait que les surfaces de coin (30, 31) sont inclinées sous un angle d'environ 3° par rapport à la direction de déplacement (B) du verrou (24).
14. Fusil selon la revendication 1, caractérisé par le fait que les baguettes de guidage (7, 8) de la partie de boîte (4) sont déplaçables dans des rainures de guidage (9), ouvertes vers le haut, de la boîte de culasse (1), qui sont recouvertes par une surface de fond (28) de l'élément-douille (10).
EP86107503A 1985-06-20 1986-06-03 Fusil comportant un dispositif de montage pour canons échangeables Expired EP0216015B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86107503T ATE47222T1 (de) 1985-06-20 1986-06-03 Gewehr mit einer laufhalterung fuer wechsellaeufe.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853522027 DE3522027A1 (de) 1985-06-20 1985-06-20 Gewehr mit einer laufhalterung fuer wechsellaeufe
DE3522027 1985-06-20

Publications (2)

Publication Number Publication Date
EP0216015A1 EP0216015A1 (fr) 1987-04-01
EP0216015B1 true EP0216015B1 (fr) 1989-10-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP86107503A Expired EP0216015B1 (fr) 1985-06-20 1986-06-03 Fusil comportant un dispositif de montage pour canons échangeables

Country Status (8)

Country Link
US (1) US4729186A (fr)
EP (1) EP0216015B1 (fr)
JP (1) JPS6249197A (fr)
AT (1) ATE47222T1 (fr)
CS (1) CS270554B2 (fr)
DE (2) DE3522027A1 (fr)
ES (1) ES8801721A1 (fr)
FI (1) FI862615A (fr)

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FR507219A (fr) * 1919-12-09 1920-09-08 Andre Virgile Paul Marie Berth Dispositif de démontage rapide du canon pour fusils automatiques ou autres et mitrailleuses
FR504747A (fr) * 1923-06-07 1920-07-13 Andre Damon Dispositif de fonctionnement pour carabine de tir sans chien apparent
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FR1053708A (fr) * 1952-04-11 1954-02-04 Picard Fayolle Ets Devant à pression pour fusils de chasse ou autres armes
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DE3342059C1 (de) * 1983-11-22 1985-06-13 Benedikt 8901 Altenmünster Rieger Gewehr,insbesondere Repetierbuechse,mit einer Laufhalterung fuer Wechsellaeufe

Also Published As

Publication number Publication date
FI862615A0 (fi) 1986-06-18
CS270554B2 (en) 1990-07-12
US4729186A (en) 1988-03-08
DE3666290D1 (en) 1989-11-16
DE3522027C2 (fr) 1988-04-07
DE3522027A1 (de) 1987-01-02
EP0216015A1 (fr) 1987-04-01
FI862615A (fi) 1986-12-21
ES556240A0 (es) 1988-02-16
ES8801721A1 (es) 1988-02-16
CS452786A2 (en) 1989-11-14
JPS6249197A (ja) 1987-03-03
ATE47222T1 (de) 1989-10-15

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