EP0694750B1 - Munitionszufuhrsystem für Waffen von kleinem oder mittlerem Kaliber - Google Patents

Munitionszufuhrsystem für Waffen von kleinem oder mittlerem Kaliber Download PDF

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Publication number
EP0694750B1
EP0694750B1 EP95401645A EP95401645A EP0694750B1 EP 0694750 B1 EP0694750 B1 EP 0694750B1 EP 95401645 A EP95401645 A EP 95401645A EP 95401645 A EP95401645 A EP 95401645A EP 0694750 B1 EP0694750 B1 EP 0694750B1
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EP
European Patent Office
Prior art keywords
feed system
munitions
conveyor
ammunition
starwheel
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 - Lifetime
Application number
EP95401645A
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English (en)
French (fr)
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EP0694750A1 (de
Inventor
Christian Gyre
Daniel Viellefond
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.)
CTA International SAS
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CTA International SAS
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Filing date
Publication date
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Publication of EP0694750A1 publication Critical patent/EP0694750A1/de
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Publication of EP0694750B1 publication Critical patent/EP0694750B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/37—Feeding two or more kinds of ammunition to the same gun; Feeding from two sides

Definitions

  • the present invention relates to a system ammunition supply for a small firearm or medium caliber, of the type comprising at least one ammunition storage device, a device of introduction specific to the weapon to load the ammunition one by one in a shooting chamber, and a device intermediary to transfer ammunition between the storage device and the device for introducing tear.
  • the ammunition are linked together on a chain which is stored in a container that forms a store of ammunition.
  • the intermediate transfer device between the magazine and the device for introducing the weapon is consisting of unidirectional drive means which mesh the chain to bring the ammunition up to the device for introducing the weapon.
  • a firearm can fire different ammunition which are chosen in depending on the nature of the objective to be achieved.
  • an objective which presents itself in the field aiming of the weapon is not always identifiable by advance, knowing that the effectiveness of the shooting is conditioned by an appropriate choice of the ammunition to be fired.
  • one solution is to plan two stores containing different ammunition. These two magazines are placed on either side of the weapon and are respectively associated with two intermediate devices to transfer ammunition from one or the other of these stores down to the device of introduction of the weapon.
  • An object of the invention is to provide a new solution to the above problem while providing other advantages.
  • the invention proposes a system of the aforementioned type and which is characterized by what the storage device consists of a single container in which two stores are fitted containing different non-meshed ammunition between each store including a conveyor bidirectional movement that supports and moves ammunition inside the store, in that the intermediate transfer device also includes a bidirectional displacement means common to both stores and intended either to transfer ammunition from either store to the device of introduction of the weapon, either to bring back to the store original ammunition being transferred to the device for introducing the weapon, and in that the feeding system also includes means for select and control synchronously the means to bidirectional movement of the transfer device intermediary with one or other of the conveyors of two stores.
  • the means for bidirectional movement of the intermediate transfer device consists of a star wheel, and the conveyor of each store is an endless chain conveyor.
  • the means for selecting and ordering synchronization of the star wheel with one or other of the conveyors of the two stores consist of a drive pinion integral in rotation with the shaft which supports the star wheel, by two pinions respectively associated with the two conveyors by two coupling devices, and by a single control device to act on both coupling devices so as to engage the drive pinion of the star wheel with one or the other of the drive sprockets of the two conveyors.
  • the star wheel is driven in one direction of rotation or the other either from an auxiliary power source, either from the power source used to operate of the weapon.
  • the feeding system ensures in a way perfectly reversible ammunition path between the weapon and the two magazines according to the direction of rotation of the star wheel.
  • the feeding system is particularly well suited for the delivery of telescoped ammunition.
  • the power system 1 shown in Figures 1, 2 and 5 includes a storage device 3 of different munitions M1 and M2, a device of introduction 5 of these munitions one by one in a loading and firing chamber 6 of a firearm 7 of small or medium caliber, and an intermediate device 9 to transfer ammunition M1 and M2 between the storage device 3 and the input device 5 of weapon 7.
  • the representation of the introducer 5 of the weapon was voluntarily schematized, given that it is specific to the type of weapon considered and that the storage device 3 and transfer device intermediate 9 form a unit which can cooperate with different types of introducers.
  • the storage device 3 shown in the Figure 1 comprises a container 10 having the shape of a rectangular parallelepiped. Two stores G1 and G2 containing the munitions M1 and M2 are arranged at inside the container 10.
  • the two stores G1 and G2 are fitted out on either side of a central vertical partition 12 which longitudinally shares the interior volume of the container 10 in two parts.
  • the container 10 extends over a length that is greater than the length of M1 and M2 ammunition.
  • the two corridors 15 and 17 of store G1 have a width which is slightly greater than the diameter of the ammunition they must store. At their ends lower, the two lanes 15 and 17 communicate between them by a semi-circular part 20 formed in the bottom wall of the container 10. At their ends upper, the two corridors 15 and 17 lead into the same inlet / outlet opening 22 provided in the part top of container 10.
  • the layout of the G2 store is identical to that of store G1, and the two external corridors 15 and internal 17 of the G2 store also lead to their upper ends, in the same inlet opening / exit 22 than those of store G1.
  • M1 and M2 ammunition are intended to be stored horizontally and on top of each other in corridors 15 and 17 of the two stores G1 and G2, the ammunition not linked together.
  • Each store G1 and G2 is equipped with a means bidirectional movement to support and move M1 or M2 ammunition inside the store.
  • this means of displacement bidirectional consists of a conveyor 25 two endless chains 27.
  • the two chains 27 of each conveyor 25 extend parallel to each other and each wind on two pinions respectively upper 29 and lower 31.
  • Sprockets 29 and 31 share each chain 27 in two strands and are arranged so that a strand of chain 27 can roam freely in the external corridor 15 of the store associated G1 or G2, while the other strand of this chain 27 can move freely in the corridor internal 17 of said store G1 or G2.
  • the two gables upper 29 of the two chains 27 are supported and integral in rotation with the same shaft 29a, and the two lower gears 31 are also supported and integral with the same tree 31a, so that the two chains 27 of each conveyor 25 is driven in synchronism.
  • the ends of the shafts 29a and 31a of each conveyor 25 are housed in bearings 33 supported by the side walls of the container 10, by example.
  • the two endless chains 27 of each conveyor 25 have radial lugs 35 which are intended to support M1 or M2 ammunition.
  • the intermediate device 9 for transferring ammunition from one of the G1 or G2 stores towards the device for introducing the weapon 5 and vice versa also includes bidirectional displacement means which is constituted by a star wheel 37.
  • This star wheel 37 includes two stars 39 with four branches 40, which are supported and integral in rotation of a carrier shaft 41.
  • the two stars 39 are separated from each other by a lesser distance the length of the ammunition M1 and M2 so that bear ammunition.
  • Star wheel 37 is mounted in the opening upper inlet / outlet 22 of container 10 for cooperate with the ammunition of the store G1 or G2.
  • the shaft 41 which carries the star wheel 37 is supported in rotation by the container 10 and extends parallel to the shafts 29a and 31a of the two conveyors 25.
  • the inlet / outlet opening 22 of the container 10 is partly bordered by a casing 43 in the form of an arc which partially surrounds the star wheel 37 of the side of store G1. Note that the distance separating the bottom of each branch 40 from the stars 39 and the internal wall of the casing 43 is barely greater than the diameter of munitions M1 and M2.
  • the star wheel 37 and the conveyors 25 must be ordered synchronously, knowing that either of stores G1 and G2 is selected.
  • Means are therefore provided for selecting and synchronously control the star wheel 37 with one either of the conveyors 25 of the two stores G1 or G2.
  • the two coupling devices 48 and 50 are identical and only the device 48 is described below.
  • the coupling device 48 comprises a sheath 54 which is slidably mounted on the shaft 29a of the conveyor 25 of store G1 by means of grooves 56.
  • the drive pinion 47 is supported and integral with the scabbard 54.
  • the control device 52 comprises a rod 58 terminated at each end by a fork 60 which engages in an annular groove 62 formed at the periphery of each sleeve 54.
  • the rod 58 is mounted on a pivot 65 to move the two in translation sleeves 54 in two opposite directions.
  • FIG. 6 it is provided with a pivoting guide flap 70 which is located at the level of the inlet / outlet opening 22 of the container 10.
  • This flap 70 is positioned under the star wheel 37 and is secured to a shaft 72 which extends parallel to the shaft 41 of the star wheel 41.
  • the shaft 72 is supported in rotation by the container 10.
  • This flap 70 extends over a length less than the distance separating the two stars 39, and can switch between two positions according to whether magazine G1 or G2 is selected. In each of its two positions, the flap 70 is immobilized by at minus a ball pusher 74 for example.
  • the shaft 72 integral with the flap 70 supports towards a end a radial lever 76 intended to cooperate with the two ball pushers 74 supported by a partition of the container 10.
  • M1 ammunition is stored in store G1 and M2 ammunition are stored in store G2.
  • Each G1 and G2 store is equipped with an access hatch (not shown) for load ammunition in vertical lanes respectively external 15 and internal 17 of each store G1 and G2.
  • an M1 or M2 ammunition is supported by two cleats 35 of the two chains without end 27 of the associated conveyor 25.
  • the shooter can select store G1 or store G2 by depending on the nature of the objective to be achieved. If the shooter selects store G2 to fire M2 ammunition and that the drive pinion 49 of conveyor 25 of store G2 is not engaged with the drive pinion 45 of the star wheel 37, the shooter acts on the control device 52 to set taken the two pinions 45 and 49 as a result of pivoting of the rod 58, which causes the uncoupling of the drive pinion 47 of the conveyor 25 of the store G1 and of the drive pinion 45 of the star wheel 37.
  • the shaft 41 of the star wheel 37 is controlled in rotation, which has the effect of causing the conveyor 25 of store G2 in synchronism with tree 41.
  • the M2 ammunition contained in the external corridor 15 or G2 store exit corridor go up and are routed one after the other to the entrance opening / exit 22 to be taken up by branches 40 of the star wheel 37 and transferred to chamber 6 of the introduction device 5 to the rate of fire of tear.
  • the first M2 ammunition to come out of the G2 store is supported on one side of the flap 70 to do so to toggle.
  • the tilting of the shutter 70 is limited by the ball pusher 74 located on the side of the magazine G1.
  • the flap 70 thus makes it possible to retain the munition M2 which is then found under the star wheel 37.
  • Ammunition M2 partially engages between two branches 40 axially aligned of the two stars 39 of the wheel star 37 and is then guided by the housing 43 to what the M2 ammunition goes to the top of the star wheel 37 before being evacuated to the device introduction 5 of the weapon and be loaded into the room 6.
  • the rotational movement of the wheel star (37) is controlled by the operating cycle of the weapon.
  • the rotational movement is therefore not continuous, since this movement must be momentary interrupted during the loaded ammunition firing phase in chamber 6 of weapon 7.
  • the shooter When the shooter decides to stop shooting M2 ammunition to fire M1 ammunition, it must first bring back the M2 ammunition which is possibly being transferred to the device introduction 5 of the weapon. For this, the shooter commands the shaft 41 of the star wheel 37 in a direction of rotation reverse to bring M2 ammunition back into store G2.
  • the shooter acts on the control device 52 to drive the star wheel 37 and the conveyor 25 from store G1, i.e. coupling the drive pinion 45 of the star wheel 37 and the drive pinion 47 of the conveyor 25 of the store G1. Finally, the shooter controls the rotation of the shaft 41 of the star wheel 37 to drive the conveyor 25 of the store G1.
  • M1 ammunition goes in and out of store G1 via internal conduit 17, while the ammunition M1 of the external conduit 15 descend and pass then in the internal conduit 17 or outlet corridor.
  • the first M1 ammunition that leaves the G1 store regrows the shutter 70 and makes it tilt to its other position where it is immobilized by the ball pusher 74 located on the side of store G2.
  • the casing 43 allows to guide the ammunition M1 between the part lower and upper part of the star wheel 37.
  • the flap 70 When store G1 is selected, the flap 70 only provides a guiding function for M1 ammunition. Indeed, the internal duct 17 of the store G1, which acts as an outlet duct, is located substantially opposite the star wheel 37. By however, when store G2 is selected, the flap 70 provides a support function for retaining the ammunition M2 since the external conduit 15 or outlet duct is axially offset from the star wheel 37.
  • Reversible wheel operation star 37 assumes that its positioning and dimensions, in particular those of branches 40 of stars 39 as well as the shapes of these branches, be precisely calculated based in particular on the diameter of the ammunition M1 and M2 on the one hand, and taking account of the fact that the M1 ammunition from the G1 store comes out through the internal conduit 17, while the M2 munitions of the store G2 exit through the external conduit 15.
  • the invention is not limited to embodiment which has just been described.
  • the means of selecting the store G1 or G2 and control in synchronism of the star wheel 37 with the conveyor 25 of the selected store can be replaced by technically equivalent means.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)

Claims (11)

  1. Munitionsversorgungssystem für eine Feuerwaffe kleineren oder mittleren Kalibers des Typs mit einer Lagervorrichtung (3) für Munitionen (M1, M2), einer Einlegevorrichtung (5), die der Waffe eigen ist, zum einzelnen Laden der Munitionen in eine Abschußkammer (6) und eine Zwischenvorrichtung (9) zum Transferieren der Munition zwischen der Lagervorrichtung (3) und der Einlegevorrichtung (5) der Waffe, gekennzeichnet dadurch, daß die Lagervorrichtung (3) aus einem einzigen Behälter (10) besteht, in dem zwei Magazine (G1, G2) mit Munitionen angeordnet sind, die unterschiedlich und nicht untereinander vergliedert sind, wobei jedes Magazin (G1, G2) einen Förderer (25) mit Zweirichtungs-Verschiebung umfaßt, der die Munitionen (M1, M2) im Inneren des Magazins verschiebt, und dadurch, daß die Zwischentransfervorrichtung (9) ebenfalls ein Zweirichtungsverschiebungsmittel (37) gemeinsam für die beiden Magazine (G1, G2) besitzt und dazu bestimmt ist, entweder die Munitionen des einen oder anderen Magazins (G1, G2) zur Einlegevorrichtung (5) der Waffe zu befördern oder die Munitionen, die auf dem Transferwege zur Einlegevorrichtung (5) der Waffe sind, zum Ursprungsmagazin zurückzubringen, und dadurch, daß das Versorgungssystem auch Mittel zur Auswahl und Steuerung in Synchronlauf des Zweirichtungsverschiebungsmittels der Zwischentransfervorrichtung (9) mit dem einen oder anderen der Förderer (25) der beiden Magazine (G1, G2) besitzt.
  2. Versorgungssystem gemäß dem Anspruch 1, gekennzeichnet dadurch, daß das Zweirichtungsverschiebungsmittel (37) der Zwischentransfervorrichtung (9) aus einem Sternrad besteht, das von einer Welle (41) getragen wird, und das der Förderer (25) jedes Magazins (G1, G2) ein Endloskettenförderer (27) ist.
  3. Versorgungssystem gemäß dem Anspruch 2, gekennzeichnet dadurch, daß jedes Magazin (G1, G2) einen äußeren senkrechten Gang (15) und einen inneren senkrechten Gang (17) besitzt, die zu einander parallel stehen und von einander durch eine Zwischenwand (19) getrennt sind, wobei diese beiden Gänge (15, 17) untereinander an ihren unteren Enden mit einander verbunden sind und in eine gemeinsame Eingangs-/Ausgangsöffnung (22) münden, die sich im oberen Teils des Behälters (10) befindet.
  4. Versorgungssystem gemäß dem Anspruch 3, gekennzeichnet dadurch, daß das Sternrad (37) von einer Welle (41) getragen wird und sich auf der Ebene der Eingangs-/Ausgangsöffnung (22) befindet, um mit den Munitionen des einen oder anderen der zwei Magazine (G1, G2) zusammenwirkt.
  5. Versorgungssystem gemäß einem beliebigen der vorhergehenden Ansprüche, gekennzeichnet dadurch, daß die Eingangs-/Ausgangsöffnung (22) des Behälters (10) teilweise von einem Gehäuse (43) umgeben wird, das die Munitionen (M1, M2) führt, die vom Sternrad (37) getragen werden.
  6. Versorgungssystem gemäß dem Anspruch 4 oder 5, gekennzeichnet dadurch, daß es eine kippende Führungsklappe (70) umfaßt, die sich auf der Ebene der Eingangs/Ausgangsöffnung (22) befindet, wobei diese Klappe (70) zwischen den beiden Magazinen (Gl, G2) sowie unter dem Sternrad (37) positioniert ist, um die Munitionen (M1 oder M2) zu führen, und dadurch, daß die Klappe (70) eine erste und eine zweite Stellung je nach dem ausgewählten Magazin einnimmt und unter Einwirkung der Verschiebung der ersten Munition (M1 oder M2), die das ausgewählte Magazin (G1 oder G2) verläßt, zur besagten Position schwingt.
  7. Versorgungssystem gemäß dem Anspruch 3 oder 4, gekennzeichnet dadurch, daß jeder Förderer (25) zwei Endlosketten (27) umfaßt, die jeweils auf ein oberes (29) und ein unteres (31) Ritzel aufgerollt sind, wobei diese beiden Endlosketten (27) im äußeren (15) und inneren (17) Gang des dazugehörenden Magazins (G1, G2) laufen und mit Nasen (35) versehen sind, um die Munitionen (M1, M2) zu tragen.
  8. Versorgungssystem gemäß dem Anspruch 7, gekennzeichnet dadurch, daß die beiden oberen Ritzel (29) der beiden Ketten (27) jedes Förderers (25) fest mit einer Antriebswelle (29a) verbunden sind und von ihr getragen werden, und dadurch, daß die beiden unteren Ritzel (31) der beiden Ketten (27) jedes Förderers (25) von einer gleichen Welle (31a) getragen werden und mit dieser fest verbunden sind, und dadurch, daß sich die Wellen (29a, 31a) parallel zur Welle (41) des Sternrads (37) erstrecken.
  9. Versorgungssystem gemäß einem beliebigen der Ansprüche 2 bis 7, gekennzeichnet dadurch, daß die Mittel zur Auswahl und Steuerung im Synchrongang des Sternrads (37) mit dem einen oder anderen der Förderer (25) der beiden Magazine (G1, G2) ein Antriebsritzel (45) umfassen, das von der Welle (41) des Sternrads (37) getragen wird und mit dieser fest verbunden ist, und zwei Antriebsritzel (47, 49), die jeweils mit den beiden Förderern (25) durch zwei Kupplungsvorrichtungen (48, 50) verbunden werden und einer einzigen Steuervorrichtung (52), um auf die beiden Kupplungsvorrichtungen (48, 50) so einzuwirken, daß das Antriebsritzel des Sternrads (37) in das eine oder andere der Antriebsritzel (47, 49) der beiden Förderer (25) eingreift.
  10. Versorgungssystem gemäß dem Anspruch 9, gekennzeichnet dadurch, daß jede Kupplungsvorrichtung (48, 50) ein Etui (54) besitzt, das anhand von Riffelungen (56) gleitend auf der Antriebswelle (29a) des dazugehörenden Förderers (25) montiert ist, wobei das Etui (54) das Antriebsritzel (47, 49) des dazugehörenden Förderers (25) trägt.
  11. Versorgungssystem gemäß dem Anspruch 10, gekennzeichnet dadurch, daß die Steuervorrichtung (52), die auf die beiden Kupplungsvorrichtungen (48, 50) einwirkt, einen Schaft (58) umfaßt, der die beiden Etuis (54) verbindet und gelenkig mit einem Dorn (65) verbunden ist, um die beiden Etuis (54) in die beiden entgegengesetzten Richtungen in Verschiebung zu verschieben.
EP95401645A 1994-07-22 1995-07-07 Munitionszufuhrsystem für Waffen von kleinem oder mittlerem Kaliber Expired - Lifetime EP0694750B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9409095 1994-07-22
FR9409095A FR2722871B1 (fr) 1994-07-22 1994-07-22 Systeme d'alimentation en munitions pour une arme a feu de petit ou moyen calibre

Publications (2)

Publication Number Publication Date
EP0694750A1 EP0694750A1 (de) 1996-01-31
EP0694750B1 true EP0694750B1 (de) 1999-09-29

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EP95401645A Expired - Lifetime EP0694750B1 (de) 1994-07-22 1995-07-07 Munitionszufuhrsystem für Waffen von kleinem oder mittlerem Kaliber

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US (1) US5675110A (de)
EP (1) EP0694750B1 (de)
DE (1) DE69512483T2 (de)
FR (1) FR2722871B1 (de)

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AU2002314800A1 (en) * 2001-05-24 2002-12-03 Paul M. Greenhut Cartridge chambering system for firearms
AR044368A1 (es) * 2004-05-17 2005-09-07 Rafael Javier Fornes Dispositivo disparador de accion continua
WO2007044822A2 (en) * 2005-10-11 2007-04-19 Kee Action Sports I Llc Magnetic drive bypass system for paintball loader
US8402959B1 (en) 2008-03-19 2013-03-26 Kee Action Sports I Llc Magnetic force feed projectile feeder drive mechanism
ES2721255T3 (es) 2013-06-21 2019-07-30 Kee Action Sports I Llc Pistola de gas comprimido que presenta un mecanismo de alimentación de proyectiles interno incorporado
SE537591C2 (sv) 2013-11-07 2015-07-07 Bae Systems Bofors Ab Ammunitionshanteringssystem och metod för sortering av blandade ammunitionstyper i ett magasin
CN108857527A (zh) * 2018-06-05 2018-11-23 马鞍山市三川机械制造有限公司 一种机床用带防晃动型链式驱动机构
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
USD961002S1 (en) 2019-12-30 2022-08-16 Kore Outdoor (Us), Inc. Projectile loader
USD992671S1 (en) 2020-10-08 2023-07-18 Canadian Imperial Bank Of Commerce, As Agent Projectile launcher and loader

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Also Published As

Publication number Publication date
US5675110A (en) 1997-10-07
EP0694750A1 (de) 1996-01-31
FR2722871A1 (fr) 1996-01-26
DE69512483D1 (de) 1999-11-04
DE69512483T2 (de) 2000-02-03
FR2722871B1 (fr) 1996-10-11

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