EP0531594B1 - Device for feeding ammunition to an automatic weapon - Google Patents
Device for feeding ammunition to an automatic weapon Download PDFInfo
- Publication number
- EP0531594B1 EP0531594B1 EP91402412A EP91402412A EP0531594B1 EP 0531594 B1 EP0531594 B1 EP 0531594B1 EP 91402412 A EP91402412 A EP 91402412A EP 91402412 A EP91402412 A EP 91402412A EP 0531594 B1 EP0531594 B1 EP 0531594B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ramp
- weapon
- magazine
- slide
- counter
- 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
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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
- F41A9/01—Feeding of unbelted ammunition
- F41A9/24—Feeding of unbelted ammunition using a movable magazine or clip as feeding element
-
- 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
- F41A9/01—Feeding of unbelted ammunition
- F41A9/02—Feeding of unbelted ammunition using wheel conveyors, e.g. star-wheel-shaped conveyors
Definitions
- the present invention relates to a device for supplying ammunition to an automatic weapon movable in translation relative to a fixed provider.
- the problem is to bring ammunition from a storage location and a fixed provider relative to the frame of the weapon, to the latter movable in longitudinal translation due to its recoil.
- Patent EP-A- 0 388 301 which forms the base of the preamble of independent claim 1, describes a device for supplying ammunition of an automatic weapon between a stationary provider and the breech of the mobile weapon according to a movement of back and forth.
- the structure adopted consists of providing a helical ramp with variable pitch along a transfer arc, but is characterized by the absence of a slide taking charge of the ammunition.
- Patent DE-A-1 965 1445 describes a weapon in which the ammunition supply system allows automatic loading at the point of return of the receding mass. This weapon does not include any slide provided with means for gripping a munition and equipped with a guide means.
- the present invention aims to provide a supply device for bringing a munition in the firing position from the fixed provider.
- the subject of the invention is a device for supplying ammunition to an automatic weapon movable in translation relative to a fixed provider, comprising at least one slide provided with means for gripping a munition and first means guide means for bringing the slide from a random longitudinal position relative to the weapon, to a predetermined longitudinal position relative to the weapon, second guide means for bringing the slide from a random longitudinal position relative to the provider at a predetermined longitudinal position relative to the provider, so as to cyclically return the slide from its weapon supply position to the stationary provider of ammunition, characterized in that the second guide means may comprise a ramp and a counter-ramp integral with the supplier and gradually approaching from the weapon to the supplier, and a roller mounted on the slide to move between the two ramps, the distance between the ramp and the counter-ramp at the level of the provider being substantially equal to the diameter of the roller.
- said first guide means comprise a ramp and a counter-ramp secured to the weapon and progressively approaching from the provider to the weapon, and a roller mounted on the slide to move between the two ramps, the longitudinal distance between the ramp and the counter-ramp at the level of the weapon being substantially equal to the diameter of the roller.
- roller can be used for the first and second guide means.
- Each ramp associated with its respective counter-ramp therefore acts in the manner of a funnel, the roller of the slide occurring between the ramp and the counter-ramp in a random longitudinal position and being brought into a predetermined position relative to either the weapon either to the outfitter according to the phase of the cycle in question, namely either the feeding phase or the return to the outfitter phase.
- the device can comprise, in a known manner, means for feeding the ammunition in an arc, the slides being, according to the invention, arranged on a barrel mounted to rotate around the axis of said arc.
- the ramps can be helical ramps, the counter-ramps being circular.
- the supply means may in particular comprise a plurality of stars mounted to rotate on the axis of said arc of a circle.
- At least one push finger for bringing a munition from its predetermined longitudinal position to its firing position.
- FIG. 1 represents a weapon comprising, in a known manner, a fixed frame symbolized by the reference 1, a screw 2 for controlling the breech, a breech 3 and a set of stars 4 making it possible to supply the breech 3 with ammunition from 'A provider (not shown) secured to the frame 1.
- the star mounting shaft 5 4 also carries a barrel 6 on which four sliders 7 are slidably mounted in the longitudinal direction.
- the slides 7 comprise at one of their ends a roller 8 with an axis perpendicular to the axis of the shaft 5, and at the other end a projection 9 in the form of a hook in an arc of a circle capable of engaging. in a groove 10 of corresponding shape made in the socket of a munition 11.
- the device according to the invention furthermore comprises a helical ramp 12 and a circular counter ramp 13 integral with the receding part of the weapon, as well as a helical ramp 14 and a circular counter-ramp 15 secured to the fixed frame 1.
- the ramps 12 and 13 approach each other from the provider to the weapon, and in the same way the ramps 14 and 15 approach each other from the weapon to the provider.
- the final distance between the ramps 12 and 13 on the one hand and 14 and 15 on the other hand is substantially equal to the diameter of the rollers 8, so that when a slide arrives at the end of its path between the ramps 12 and 13 , it is in a determined longitudinal position relative to the weapon and that, likewise, when it reaches the end of its path between the ramps 14 and 15, it is in a determined position relative to the provider.
- the shaft 5 simultaneously drives the stars 4 and the barrel 6.
- the slide 7a located opposite the cylinder head 3 supports ammunition at the provider. At this time, it is in a random longitudinal position relative to the weapon.
- the longitudinal position 7b of the slide is random with respect to the ammunition provider.
- the rotation of the barrel 6 then causes it to come into contact with the ramp 14 secured to the frame 1 of the weapon, this ramp 14 finally returning it to the position 7a determined longitudinally relative to the provider where it can take charge of another ammunition.
- the device according to the invention therefore makes it possible to bring ammunition from the stationary provider to the mobile weapon using the slides 7, then to bring the latter to the provider, the relative positions of the provider and the 'weapon being any.
Landscapes
- 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)
- Toys (AREA)
Description
La présente invention concerne un dispositif d'alimentation en munitions d'une arme automatique mobile en translation par rapport à un pourvoyeur fixe.The present invention relates to a device for supplying ammunition to an automatic weapon movable in translation relative to a fixed provider.
Le problème posé consiste à amener une munition depuis un emplacement de stockage et un pourvoyeur fixe par rapport au bâti de l'arme, jusqu'à cette dernière mobile en translation longitudinale du fait de son recul.The problem is to bring ammunition from a storage location and a fixed provider relative to the frame of the weapon, to the latter movable in longitudinal translation due to its recoil.
Ce problème se pose de façon particulièrement aigüe dans les armes automatiques à tir flottant dans lesquelles l'alimentation et la mise à feu s'effectuent avant que la partie reculante de l'arme n'ait rejoint sa position d'équilibre. On ne dispose en effet dans ce type d'armes, d'aucune référence fixe dans le sens longitudinal, c'est-à-dire dans le sens de recul de l'arme.This problem arises in a particularly acute manner in automatic floating-fire weapons in which the supply and firing take place before the receding part of the weapon has returned to its equilibrium position. There is indeed in this type of weapon, no fixed reference in the longitudinal direction, that is to say in the direction of recoil of the weapon.
Le brevet EP-A- 0 388 301 qui forme la base du préambule de la revendication indépendante 1, décrit un dispositif d'alimentation en munitions d'une arme automatique entre un pourvoyeur fixe et la culasse de l'arme mobile suivant un mouvement de va-et-vient. La structure adoptée consiste à prévoir une rampe hélicoïdale à pas variable suivant un arc de transfert, mais se caractérise par l'absence de coulisseau prenant les munitions en charge.Patent EP-A- 0 388 301 which forms the base of the preamble of independent claim 1, describes a device for supplying ammunition of an automatic weapon between a stationary provider and the breech of the mobile weapon according to a movement of back and forth. The structure adopted consists of providing a helical ramp with variable pitch along a transfer arc, but is characterized by the absence of a slide taking charge of the ammunition.
Le brevet DE-A-1 965 1445 décrit une arme dans laquelle le système d'alimentation en munitions permet le chargement automatique au niveau du point de retour de la masse reculante. Cette arme ne comporte aucun coulisseau muni de moyens de préhension d'une munition et équipé d'un moyen de guidage.Patent DE-A-1 965 1445 describes a weapon in which the ammunition supply system allows automatic loading at the point of return of the receding mass. This weapon does not include any slide provided with means for gripping a munition and equipped with a guide means.
La présente invention vise à fournir un dispositif d'alimentation permettant d'amener une munition en position de tir à partir du pourvoyeur fixe.The present invention aims to provide a supply device for bringing a munition in the firing position from the fixed provider.
A cet effet, l'invention a pour objet un dispositif d'alimentation en munitions d'une arme automatique mobile en translation par rapport à un pourvoyeur fixe, comprenant au moins un coulisseau muni de moyens de préhension d'une munition et des premiers moyens de guidage pour amener le coulisseau d'une position longitudinale aléatoire par rapport à l'arme, a une position longitudinale prédéterminée par rapport à l'arme, des deuxièmes moyens de guidage pour amener le coulisseau d'une position longitudinale aléatoire par rapport au pourvoyeur à une position longitudinale prédéterminée par rapport au pourvoyeur, de manière à ramener cycliquement le coulisseau depuis sa position d'alimentation de l'arme jusqu'au pourvoyeur fixe de munitions, caractérisé en ce que les deuxièmes moyens de guidage peuvent comprendre une rampe et une contre-rampe solidaires du pourvoyeur et se rapprochant progressivement depuis l'arme jusqu'au pourvoyeur, et un galet monté sur le coulisseau pour se déplacer entre les deux rampes, la distance entre la rampe et la contre-rampe au niveau du pourvoyeur étant sensiblement égale au diamètre du galet.To this end, the subject of the invention is a device for supplying ammunition to an automatic weapon movable in translation relative to a fixed provider, comprising at least one slide provided with means for gripping a munition and first means guide means for bringing the slide from a random longitudinal position relative to the weapon, to a predetermined longitudinal position relative to the weapon, second guide means for bringing the slide from a random longitudinal position relative to the provider at a predetermined longitudinal position relative to the provider, so as to cyclically return the slide from its weapon supply position to the stationary provider of ammunition, characterized in that the second guide means may comprise a ramp and a counter-ramp integral with the supplier and gradually approaching from the weapon to the supplier, and a roller mounted on the slide to move between the two ramps, the distance between the ramp and the counter-ramp at the level of the provider being substantially equal to the diameter of the roller.
Dans un mode de réalisation particulier de l'invention, lesdits premiers moyens de guidage comprennent une rampe et une contre-rampe solidaires de l'arme et se rapprochant progressivement depuis le pourvoyeur jusqu'à l'arme, et un galet monté sur le coulisseau pour se déplacer entre les deux rampes, la distance longitudinale entre la rampe et la contre-rampe au niveau de l'arme étant sensiblement égale au diamètre du galet.In a particular embodiment of the invention, said first guide means comprise a ramp and a counter-ramp secured to the weapon and progressively approaching from the provider to the weapon, and a roller mounted on the slide to move between the two ramps, the longitudinal distance between the ramp and the counter-ramp at the level of the weapon being substantially equal to the diameter of the roller.
Bien entendu, le même galet peut être utilisé pour les premiers et deuxièmes moyens de guidage.Of course, the same roller can be used for the first and second guide means.
Chaque rampe associée à sa contre-rampe respective agit par conséquent à la manière d'un entonnoir, le galet du coulisseau se présentant entre la rampe et la contre-rampe en une position longitudinale aléatoire et étant amené en position prédéterminée par rapport soit à l'arme soit au pourvoyeur suivant la phase du cycle dont il s'agit, à savoir soit la phase d'alimentation soit la phase de retour au pourvoyeur.Each ramp associated with its respective counter-ramp therefore acts in the manner of a funnel, the roller of the slide occurring between the ramp and the counter-ramp in a random longitudinal position and being brought into a predetermined position relative to either the weapon either to the outfitter according to the phase of the cycle in question, namely either the feeding phase or the return to the outfitter phase.
Le dispositif peut comprendre de façon connue des moyens d'alimentation des munitions en arc de cercle, les coulisseaux étant, selon l'invention, disposés sur un barillet monté rotatif autour de l'axe dudit arc.The device can comprise, in a known manner, means for feeding the ammunition in an arc, the slides being, according to the invention, arranged on a barrel mounted to rotate around the axis of said arc.
Dans ce dernier cas, les rampes peuvent être des rampes hélicoïdales, les contre-rampes étant circulaires.In the latter case, the ramps can be helical ramps, the counter-ramps being circular.
Les moyens d'alimentation peuvent notamment comprendre une pluralité d'étoiles montées rotatives sur l'axe dudit arc de cercle.The supply means may in particular comprise a plurality of stars mounted to rotate on the axis of said arc of a circle.
On peut en outre selon l'invention prévoir au moins un doigt poussoir pour amener une munition de sa position longitudinale prédéterminée à sa position de tir.According to the invention, it is also possible to provide at least one push finger for bringing a munition from its predetermined longitudinal position to its firing position.
On décrira maintenant à titre d'exemple non limitatif un mode de réalisation particulier de l'invention en référence aux dessins schématiques annexés dans lesquels :
- La figure 1 est une vue en élévation d'un dispositif selon l'invention, et
- Les figures 2a et 2b représentent les rampes et les coulisseaux de ce dispositif en vue développée.
- FIG. 1 is an elevation view of a device according to the invention, and
- Figures 2a and 2b show the ramps and slides of this device in developed view.
La figure 1 représente une arme comprenant de façon connue un bâti fixe symbolisé par la référence 1, une vis 2 de commande de la culasse, une culasse 3 et un ensemble d'étoiles 4 permettant d'alimenter la culasse 3 en munitions à partir d'un pourvoyeur (non représenté) solidaire du bâti 1.FIG. 1 represents a weapon comprising, in a known manner, a fixed frame symbolized by the reference 1, a screw 2 for controlling the breech, a
L'arbre 5 de montage des étoiles 4 porte également un barillet 6 sur lequel sont montés coulissant dans le sens longitudinal quatre coulisseaux 7.The star mounting shaft 5 4 also carries a
Les coulisseaux 7 comportent à l'une de leurs extrémités un galet 8 d'axe perpendiculaire à l'axe de l'arbre 5, et à l'autre extrémité une saillie 9 en forme de crochet en arc de cercle susceptible de s'engager dans une rainure 10 de forme correspondante réalisée dans la douille d'une munition 11.The slides 7 comprise at one of their ends a roller 8 with an axis perpendicular to the axis of the shaft 5, and at the other end a projection 9 in the form of a hook in an arc of a circle capable of engaging. in a
Le dispositif selon l'invention comporte par ailleurs, une rampe 12 hélicoïdale et une contre-rampe 13 circulaire solidaires de la partie reculante de l'arme, ainsi qu'une rampe 14 hélicoïdale et une contre-rampe 15 circulaire solidaires du bâti fixe 1.The device according to the invention furthermore comprises a
Les rampes 12 et 13 se rapprochent l'une de l'autre depuis le pourvoyeur jusqu'à l'arme, et de la même manière les rampes 14 et 15 se rapprochent l'une de l'autre depuis l'arme jusqu'au pourvoyeur.The
La distance finale entre les rampes 12 et 13 d'une part et 14 et 15 d'autre part est sensiblement égale au diamètre des galets 8, de telle sorte que lorsqu'un coulisseau arrive au terme de son trajet entre les rampes 12 et 13, il se trouve en position longitudinale déterminée par rapport à l'arme et que, de même, lorsqu'il arrive au terme de son trajet entre les rampes 14 et 15, il se trouve en une position déterminée par rapport au pourvoyeur.The final distance between the
L'arbre 5 entraîne simultanément les étoiles 4 et le barillet 6.The shaft 5 simultaneously drives the stars 4 and the
Le coulisseau 7a situé à l'opposé de la culasse 3 prend en charge une munition au niveau du pourvoyeur. A cet instant, il se trouve en une position longitudinale aléatoire par rapport à l'arme.The
A un instant donné de la rotation, son galet 8 vient en contact avec la rampe 12 qui l'amène dans la position 7b où il est positionné longitudinalement par rapport à l'arme. En cette position un doigt poussoir 16 amène la munition dans l'axe de la culasse 3.At a given moment of rotation, its roller 8 comes into contact with the
La position longitudinale 7b du coulisseau est aléatoire par rapport au pourvoyeur de munitions. La rotation du barillet 6 l'amène ensuite à venir en contact avec la rampe 14 solidaire du bâti 1 de l'arme, cette rampe 14 le ramenant finalement dans la position 7a déterminée longitudinalement par rapport au pourvoyeur où il peut prendre en charge une autre munition.The
Le dispositif selon l'invention permet par conséquent d'amener des munitions du pourvoyeur fixe jusqu'à l'arme mobile à l'aide des coulisseaux 7, puis de ramener ces derniers jusqu'au pourvoyeur, les positions relatives du pourvoyeur et de l'arme étant quelconques.The device according to the invention therefore makes it possible to bring ammunition from the stationary provider to the mobile weapon using the slides 7, then to bring the latter to the provider, the relative positions of the provider and the 'weapon being any.
Diverses variantes et modifications peuvent être apportées à la description ci-dessus sans sortir pour autant du cadre de l'invention.Various variants and modifications can be made to the above description without departing from the scope of the invention.
Claims (6)
- A munition feed device for an automatic weapon which is mobile in translation with respect to a fixed ammunition magazine, comprising at least one slide bar (7) fitted with gripping means (9) for a munition (11), primary guiding means (12, 13) to bring the slide from a longitudinal position which is random with respect to the weapon to a longitudinal position which is predetermined with respect to the weapon, and secondary guiding means (14, 15) to bring the slide from a longitudinal position which is random with respect to the magazine to a longitudinal position which is predetermined with respect to the magazine, so as to bring the slide in a cycle from its weapon feed position to the fixed magazine, a munition feed device characterised in that the secondary guiding means may comprise a ramp (14) and a counter-ramp (15) integral with the magazine and which gradually come closer together from the weapon to the magazine, and a roller (8) mounted on the slide in order to move between the two ramps, the distance between the ramp and the counter-ramp at the magazine being roughly equal to the diametre of the roller.
- A device according to Claim 1, characterised in that the said primary guiding means comprise a ramp (12) and a counter-ramp (13) integral with the weapon and which gradually come closer together from the weapon to the magazine, and a roller (8) mounted on the slide in order to move between the two ramps, the longitudinal distance between the ramp and the counter-ramp at the magazine being roughly equal to the diametre of the roller.
- A device according to Claim 1 or 2, characterised in that it comprises feed means (4) for the munitions in the arc of a circle, the slides being arranged on a mounted barrel (6) that rotates around the axis of the said arc.
- A device according to Claim 3, characterised in that the said ramp is a helicoidal ramp, the counter-ramp being circular.
- A device according to Claim 3 or 4, characterised by the fact that the said feed means may notably comprise many stars mounted rotating around the axis of the said arc.
- A device according to any one of Claims 1 to 5, characterised by the fact that it comprises at least one pusher finger (16) to bring a munition from its predetermined longitudinal position to its firing position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1991614840 DE69114840T2 (en) | 1991-09-10 | 1991-09-10 | Device for feeding ammunition to a machine gun. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9008872A FR2664686A1 (en) | 1990-07-12 | 1990-07-12 | Device for supplying ammunition to an automatic weapon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0531594A1 EP0531594A1 (en) | 1993-03-17 |
| EP0531594B1 true EP0531594B1 (en) | 1995-11-22 |
Family
ID=9398633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91402412A Expired - Lifetime EP0531594B1 (en) | 1990-07-12 | 1991-09-10 | Device for feeding ammunition to an automatic weapon |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5180879A (en) |
| EP (1) | EP0531594B1 (en) |
| FR (1) | FR2664686A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2664686A1 (en) * | 1990-07-12 | 1992-01-17 | Giat Ind Sa | Device for supplying ammunition to an automatic weapon |
| FR2754889B1 (en) * | 1996-10-18 | 1998-11-27 | Giat Ind Sa | DEVICE FOR DELIVERING INSIDE THE TUBE OF A CANNON AMMUNITION TAKEN FROM A STORE AND FOR REMOVING FROM SAID TUBE AN AMMUNITION TO REPLACE IT IN THE STORE |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1552862A (en) * | 1922-01-12 | 1925-09-08 | Manning Gauge Co Inc | Check valve for pressure gauges |
| GB584268A (en) * | 1944-05-02 | 1947-01-10 | Archibald Goodman Frazer Nash | Improvements relating to ammunition belt feed mechanisms for automatic guns |
| US3563357A (en) * | 1968-11-18 | 1971-02-16 | Harvard Ind Inc | Article conveying chute |
| US3535980A (en) * | 1968-12-26 | 1970-10-27 | Gen Electric | Automatic,burst firing,gun |
| GB1337388A (en) * | 1969-12-01 | 1973-11-14 | British Aircraft Corp Ltd | Storage and feeding arrangements for ammunition belts |
| US4270436A (en) * | 1979-01-08 | 1981-06-02 | General Electric Company | Ammunition feed and eject mechanism |
| US4474102A (en) * | 1981-08-17 | 1984-10-02 | General Electric Company | Ammunition handling system |
| DE3727740A1 (en) * | 1987-08-20 | 1989-03-02 | Rheinmetall Gmbh | DEVICE FOR A FORWARD-SLEEVED EJECTOR FROM A FOREIGN-DRIVEN MACHINE CANNON |
| FR2644570A1 (en) * | 1989-03-16 | 1990-09-21 | France Etat Armement | DEVICE FOR SUPPLYING AMMUNITION TO AN AUTOMATIC WEAPON |
| FR2664686A1 (en) * | 1990-07-12 | 1992-01-17 | Giat Ind Sa | Device for supplying ammunition to an automatic weapon |
-
1990
- 1990-07-12 FR FR9008872A patent/FR2664686A1/en active Granted
-
1991
- 1991-09-10 EP EP91402412A patent/EP0531594B1/en not_active Expired - Lifetime
- 1991-10-21 US US07/779,833 patent/US5180879A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5180879A (en) | 1993-01-19 |
| FR2664686B1 (en) | 1994-07-13 |
| FR2664686A1 (en) | 1992-01-17 |
| EP0531594A1 (en) | 1993-03-17 |
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