EP0111780B1 - Dispositif pour le transport de munitions à partir d'un magasin à tambour vers un canon - Google Patents

Dispositif pour le transport de munitions à partir d'un magasin à tambour vers un canon Download PDF

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Publication number
EP0111780B1
EP0111780B1 EP83111886A EP83111886A EP0111780B1 EP 0111780 B1 EP0111780 B1 EP 0111780B1 EP 83111886 A EP83111886 A EP 83111886A EP 83111886 A EP83111886 A EP 83111886A EP 0111780 B1 EP0111780 B1 EP 0111780B1
Authority
EP
European Patent Office
Prior art keywords
cartridges
drum magazine
feed device
row
cartridge
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
EP83111886A
Other languages
German (de)
English (en)
Other versions
EP0111780A3 (en
EP0111780A2 (fr
Inventor
Kurt Müller
Paul Kalt
Pirmin Steiner
Ernst Hürlemann
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.)
Rheinmetall Air Defence AG
Original Assignee
Werkzeugmaschinenfabrik Oerlikon Buhrle 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 Werkzeugmaschinenfabrik Oerlikon Buhrle AG filed Critical Werkzeugmaschinenfabrik Oerlikon Buhrle AG
Publication of EP0111780A2 publication Critical patent/EP0111780A2/fr
Publication of EP0111780A3 publication Critical patent/EP0111780A3/de
Application granted granted Critical
Publication of EP0111780B1 publication Critical patent/EP0111780B1/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
    • F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/61—Magazines
    • F41A9/64—Magazines for unbelted ammunition
    • 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
    • F41A9/61—Magazines
    • F41A9/64—Magazines for unbelted ammunition
    • F41A9/73—Drum magazines
    • F41A9/74—Drum magazines with radially disposed cartridges
    • 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
    • F41A9/61—Magazines
    • F41A9/64—Magazines for unbelted ammunition
    • F41A9/76—Magazines having an endless-chain conveyor
    • 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
    • F41A9/61—Magazines
    • F41A9/64—Magazines for unbelted ammunition
    • F41A9/77—Magazines having a screw conveyor

Definitions

  • the invention relates to a conveyor device for supplying cartridges to a firearm from a drum magazine, which is divided into a number of sectors, in each of which there is a row of cartridges, with a first conveyor device which pushes the cartridge rows out of the sectors of the drum magazine and with one second conveyor for transporting the cartridges pushed out of the sectors to the firearm.
  • the first conveyor device consists of an encircling, endless chain provided with drivers, which is in drive connection with the rotating drum magazine. From this first conveying device, the cartridges pass into a second conveying device, which is in drive connection with it and consists of a conveyor disk, which in turn transports the cartridges into the weapon.
  • This known conveyor device is disadvantageous if the cartridges are to be removed from the drum magazine at the top or on the side, since there is then the risk that the cartridges fall back into the empty sectors of the drum magazine. Furthermore, with high cadences, difficulties arise in the transfer of the cartridges from the first conveyor to the second conveyor. In this known device - with high cadence - large acceleration forces are required to suddenly accelerate an entire row of cartridges from a standstill.
  • the object that is to be achieved with the present invention is to create a conveyor device which ensures reliable transport of the cartridges from the drum magazine to the firearm even at high cadences.
  • no large acceleration forces should occur when a row of cartridges is ejected from a sector, i. H. the row of cartridges should be gently accelerated from standstill to the required speed.
  • This device has the advantage that, thanks to the backstop, there is a distance between the stationary row of cartridges and the second conveyor device, which ensures a smooth acceleration of this row of cartridges. Further refinements result from the subclaims.
  • the cartridges 11 are fed from a drum magazine 10 to a firearm 13 via a delivery channel 12.
  • the firearm 13 is shown in FIG. 1 in three different elevation positions. In the middle position, the gun barrels 14 of the firearm 13 are directed horizontally. From this position, the weapon 13 can be lowered on the one hand until the weapon barrels are inclined downward by approximately 10-15 °, and on the other hand the weapon can be raised by approximately 90 ° until the weapon barrels 14 project approximately into the zenith.
  • the downwardly inclined weapon barrels 14 are designated by the reference number 14a and the weapon barrels 14 projecting into the zenith are designated by the reference number 14b.
  • a so-called disk channel 15 is located between the delivery channel 12 and the weapon 13, which allows the firearm 13 to be raised by approximately 90 °.
  • the cartridges 11 pass from the drum magazine 10 onto an endless conveyor chain 16.
  • This conveyor chain 16 is guided around a chain wheel 17 at one end of the conveyor channel.
  • another sprocket (not shown) for deflecting the conveyor chain 16.
  • the conveyor chain 16 is through the disk channel 15 passed through. Deflection rollers 18 for the conveyor chain 16 are provided at the entrance to the disk channel 15.
  • FIG. 3 shows two rows of cartridges 19 and 20 located in the drum magazine 10.
  • the row of cartridges 19 can be fed to the conveying channel 12 in the position shown with the aid of a conveying device 27 described below. So that the cartridge row 20 can be fed to the conveying channel 12, the drum magazine 10 must first be rotated by 180 ° about its axis 21. From Fig. 3 it can also be seen that the firearm 13 has six gun barrels 14 which rotate about their common axis 22 in a series fire.
  • a drum magazine 10 has thirty sectors 23, of which only the center lines are indicated. Each sector 23 contains a row of twenty-five cartridges 11. In FIG. 1, of the two sectors 23, only the first cartridge 11 of a row is shown.
  • the drum magazine 10 is located in a cylindrical housing 24 (FIGS. 5 and 6), of which only the front, disk-shaped end wall 25 is visible in FIG. 4.
  • the end wall 25 has an opening 26 through which cartridges 11 can be removed from the drum magazine 10.
  • a conveying device 27 which is described further below, one row of cartridges 19, 20 after another is opened through the opening 13.
  • Drum magazine 10 pushed out. While a cartridge row 19 is being pushed out of the drum magazine 10, the drum magazine 10 rotates continuously by one division, i. H.
  • the position A of the drum magazine 10 comes to the position B.
  • the drum magazine 10 rotates by one division, as a result of which the cartridge 11 moves from the Position A reached position B.
  • the cartridges 11 ejected from the drum magazine 10 pass through the conveyor channel 12, which is indicated in FIG. 4 by two walls 28, 29, to the firearm 13.
  • this conveyor channel 12 there is a second conveyor device 30a, which is described further below.
  • the direction of movement of the cartridges 11 resulting from the rotation of the drum magazine 10 - in the direction of arrow D - and the axial displacement of the cartridge row 19 coincides with the conveying direction of the conveyor device 27, i. H.
  • the axis of this conveyor device 27 is inclined so that its direction coincides with this resulting direction of movement, as can be clearly seen from FIG. 4.
  • a backstop in front of the opening 26 described below prevents the cartridges 11 ejected from the drum magazine 10 by the conveying device 27 from falling back through the opening 26.
  • the conveyor device 27 has a screw conveyor 30.
  • the screw conveyor 30 consists of a cylindrical body 31 to which a helical rib 32 is attached.
  • the two ends of the screw conveyor 30 are held in bearings 33 (FIG. 5) and 34 (FIG. 6) in the housing 24 of the drum magazine 10.
  • To drive the screw conveyor 30 is a gear 35, which is attached to one end of the screw conveyor 30.
  • the gear 35 is driven by a hydraulic motor, as described below.
  • the drum magazine 10 contains a drum axis 21.
  • the two ends of the drum axis 21 are held in bearings 36 (FIG. 5) and 37 (FIG. 6) in the housing 24 of the drum magazine 10.
  • a gear 38 is used to drive the drum magazine 10, which gear wheel is fastened to an end face of the drum magazine 10 and is driven by the aforementioned electric motor. as described below.
  • Each row of cartridges 19, 20 is held in the drum magazine 10 so as to be displaceable in an axially directed rail 39.
  • the first cartridge 11 of such a cartridge row 19 is shown in FIG. 5 and the last cartridge 11 in FIG. 6.
  • a driver 40 is displaceable, which has a bolt 41.
  • the bolt 41 is in engagement with the helical rib 32 of the screw conveyor 30.
  • the driver 40 moves from its right end position according to FIG. 6 into its left end position according to FIG. 5 and thereby pushes a series of twenty-five cartridges 11 out of the drum magazine 10.
  • the mentioned conveyor channel 12 with the walls 28 and 29 (Fig. 5) there is an endless conveyor chain 16, which consists of individual chain links 42, see also Fig. 7.
  • Each chain link 42 has a T-shaped extension 43, which in a Cross section of C-shaped rail 44 or 45 is performed.
  • the chain links 42 with the cartridges 11 move from the drum magazine 10 to the firearm 13 in the left rail 44 and the empty chain links 42 return from the firearm 13 to the drum magazine 10 in the adjacent rail 45.
  • each chain link 42 has a shell 48 which serves to receive a cartridge 11.
  • a carrier 49 is fastened to this shell 48, one end of which divides like a fork. Bores 50 and 51 are provided at both ends of the carrier 49.
  • the upper chain wheel 54 has five recesses 57, in which the joints 58 of an endless conveyor chain 66 engage.
  • a lower sprocket 53 is designed according to FIG. 9 in the same way as the upper sprocket 54.
  • drivers 59 are fastened, which are arranged at equal distances from one another and which have the task of removing the cartridges 11 from the sectors 23 of the drum magazine 10 push out.
  • the one from the. Drum magazine 10 pushed cartridges 11 are fed to a second conveyor chain 60.
  • This second conveyor chain 60 moves in the direction of arrow B over the drum magazine 10 and brings the cartridges 11 to the firearm 13.
  • the endless conveyor chain 66 moves in the direction of arrow A and the drum magazine 10 rotates in the direction of the arrow C (FIG . 9).
  • a slide 61 is located below the second conveyor chain 60 and above the cartridges 11 arranged in the drum magazine 10.
  • This slide 61 has a passage opening 62 and a deflection nose 63, which ensures that the cartridges 11 fit exactly into the individual receiving cups 64 of the second conveyor chain 60.
  • This slide 61 is moved back and forth in the direction of the double arrow D by a cam disk or eccentric disk, not shown. As soon as the last cartridge 11a of a row of cartridges is located in the second conveyor chain 60, the slide 61 is shifted to the left in the direction of arrow B in FIG.
  • the driver 59 also migrates while pushing a row of cartridges out of the drum magazine 10, i. H. while it moves from its lower position 59a to its upper position 59b, thanks to the inclined position of the conveyor chain 66 in the direction of the arrow C to the right in FIG. 9.
  • the inclination of the endless conveyor chain 66 with respect to a vertical is chosen such that the Driver 59 moves in the direction of arrow C at the same speed as drum magazine 10.
  • driver 59 as it moves upward, remains constantly engaged with the bottom cartridge 11c of a row in sector 23.
  • the driver 59 is shaped in such a way that it touches the last cartridge 11 in a row until it is completely inserted into a receiving cup 64 of the second conveyor chain 60. As a result, each free flight of a cartridge 11 is avoided when entering the conveyor chain 60.
  • the slide 61 (FIG. 9) is replaced by pivotable flaps 65.
  • These flaps 65 are hinged to partition walls 76 of the drum magazine 10, are opened and closed by a device, not shown. 10, this conveyor chain 60 moves in the direction of arrow B to the left. Accordingly, the flaps 65 according to FIG. 10 are opened by the cartridges 11 in the counterclockwise direction.
  • a hydraulic motor 67 is used to drive the drum magazine 10, which drives it via gearwheels 68 and 69, a reduction gear 70 and the gearwheels 71 and 38 (FIG. 6). Furthermore, the conveyor screw 30 of the first conveyor device 27 is driven by the motor 67 via a clutch 72 and the gear wheels 73 and 35 (FIG. 6). The second conveyor device 30a (FIG. 2) is driven in a manner not shown via a further gearwheel 74 attached to the screw conveyor 30.
  • the gear ratio of the gear transmission shown in FIG. 11 must of course be selected such that all cartridge rows 19, 20 are ejected by the conveying device 27 when the drum magazine is rotated.
  • the screw conveyor 30 consists of a cylindrical body 31 to which a helical rib 32 is fastened, see also FIGS. 5 and 6.
  • This rib 32 has a smaller pitch at its right end for the first turn, so that the Cartridge row to be accelerated from standstill can be gently accelerated without large acceleration forces occurring.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Earth Drilling (AREA)
  • Specific Conveyance Elements (AREA)

Claims (7)

1. Dispositif de transport pour alimenter une arme à feu (13) en cartouches (11) à partir d'un magasin en forme de tambour (10) subdivisé en un certain nombre de secteurs (25) dans lesquels se trouve chaque fois une rangée de cartouches (20), et comprenant un premier dispositif de transport (27) qui extrait les rangées de cartouches (20) successivement des secteurs (25) du magasin (10) et un second dispositif de transport (30a) pour transporter les cartouches (11) éjectées des secteurs (25) vers l'arme à feu, caractérisé en ce qu'il comporte :
a) un verrou anti-retour (46, 61) entre les deux dispositifs de transport (27, 30a) pour éviter que les cartouches (11) ne puissent retomber dans les secteurs (25) déjà évacués,
b) le premier dispositif de transport (27) comporte une vis de transport (30) dont la première spire a un pas plus faible que les autres spires pour faciliter l'accélération par rangée des cartouches (11) immobiles dans le magasin en forme de tambour (10).
2. Dispositif de transport selon la revendication 1, caractérisé en ce que le verrou anti-retour (61) est constitué par un tiroir (61) qui comporte un orifice traversant (62) pour les cartouches (11) éjectées des secteurs (25) du magasin (10) en forme de tambour et un bec de renvoi (63) qui dévie les cartouches (11) dans une coupelle de réception (64), distincte d'une chaîne de transport (60) du second dispositif de transport (30a).
3. Dispositif de transport selon la revendication 1, caractérisé en ce que le verrou anti-retour (46) est formé par des volets basculants (46) qui sont déviés à le fin de la course d'éjection des rails de guidage (39) du magasin en forme de tambour (10) et s'ouvrant lors de l'éjection des cartouches (11) en évitant toutefois que les cartouches (11) ne puissent retomber dans les secteurs (25) du magasin en forme de tambour (10).
4. Dispositif de transport selon la revendication 3, caractérisé en ce que les volets basculants (46) s'ouvrent dans le sens de rotation du magasin en forme de tambour (10) (dans le sens contraire des aiguilles d'une montre selon la figure 7).
5. Dispositif de transport selon la revendication 3, caractérisé en ce que les volants basculants (65) s'ouvrent dans le sens contraire du sens de rotation du magasin en forme de tambour (10) (dans le sens des aiguilles d'une montre selon la figure 10).
6. Dispositif de transport selon la revendication 1 dans lequel le premier dispositif de transport (27) est incliné, et correspond à la direction de déplacement résultant d'une part du mouvement de rotation du magasin en forme de tambour (10) et d'autre part du mouvement de la rangée de cartouches (20) du secteur (25) en cours d'évacuation, caractérisé en ce que la dernière cartouche (11) d'une rangée de cartouches (20) et la première cartouche (11a) de la rangée de cartouches (20) suivante sont éjectées simultanément hors du magasin en forme de tambour (10).
7. Dispositif de transport selon la revendication 6, caractérisé en ce que chaque secteur (25) du magasin en forme de tambour (10) comporte des rails de guidage (39) dans lesquels est chaque fois guidée une rangée de cartouches (20) et en ce que derrière la dernière cartouche (11) se trouve un organe d'entraînement (40) coulissant dans les rails de guidage (39), organe qui lors de l'éjection des cartouches (11) vient prendre par un goujon (41) dans le filet hélicoïdal (32) de la vis de transport (30).
EP83111886A 1982-12-22 1983-11-28 Dispositif pour le transport de munitions à partir d'un magasin à tambour vers un canon Expired EP0111780B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH7474/82 1982-12-22
CH747482 1982-12-22

Publications (3)

Publication Number Publication Date
EP0111780A2 EP0111780A2 (fr) 1984-06-27
EP0111780A3 EP0111780A3 (en) 1985-09-25
EP0111780B1 true EP0111780B1 (fr) 1988-01-20

Family

ID=4325685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83111886A Expired EP0111780B1 (fr) 1982-12-22 1983-11-28 Dispositif pour le transport de munitions à partir d'un magasin à tambour vers un canon

Country Status (7)

Country Link
US (1) US4589325A (fr)
EP (1) EP0111780B1 (fr)
JP (1) JPS59119198A (fr)
BR (1) BR8307051A (fr)
DE (1) DE3375429D1 (fr)
ES (1) ES528251A0 (fr)
IL (1) IL70386A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2006678B3 (es) * 1986-02-04 1991-03-01 Werkzeugmaschinenfabrik Oerlikon-Buhrle Ag Modificaciones en un sistema de transporte de cartuchos de un arma de fuego
US4882971A (en) * 1988-05-27 1989-11-28 Teleflex, Incorporated Linkless ammunition transporter
US5218162A (en) * 1992-01-21 1993-06-08 General Electric Co. Double-ended ammunition handling system for rapid-fire guns
DE102020104465B3 (de) * 2020-02-20 2021-07-29 Krauss-Maffei Wegmann Gmbh & Co. Kg Magazin

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1247266A (fr) * 1959-02-13 1960-11-25 Oerlikon Buehrle Ag Magasins à munitions pour armes à feu automatiques
FR2048696A5 (fr) * 1969-05-22 1971-03-19 Gen Electric
FR2237816A1 (fr) * 1973-07-17 1975-02-14 Gen Electric

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
FR833617A (fr) * 1937-06-25 1938-10-26 Appareil servant à lancer dans l'atmosphère, à partir d'une certaine hauteur, desobjets divers
US2284286A (en) * 1939-08-08 1942-05-26 Bliss E W Co Container handling apparatus
FR956038A (fr) * 1946-11-27 1950-01-23
LU30583A1 (fr) * 1951-02-17 1952-08-18 Brevets Aero-Mecaniques S.A. Perfectionnements apportes aux chargeurs a cartouches pour armes automatiques, notamment a ceux pour armes a cadence de tir elevee
US2854125A (en) * 1955-02-28 1958-09-30 Corn Prod Refining Co Container transferring means
NL94288C (fr) * 1955-08-16
US2935914A (en) * 1957-08-05 1960-05-10 Darsie Burns Linkless feed system for guns
US2993415A (en) * 1959-07-10 1961-07-25 Elio W Panicci Combined continuous linkless supplier and cartridge feed mechanism for automatic guns
US3437005A (en) * 1967-05-25 1969-04-08 Gen Electric Flexible article conveyor for high speed applications
US3683743A (en) * 1969-08-01 1972-08-15 Stoner Eugen Morrison Linkless cartridge feed system
US3696704A (en) * 1971-05-13 1972-10-10 Gen Electric Ammunition bulk loader
GB1461481A (en) * 1973-04-17 1977-01-13 Gen Electric Helical assemblies and article handling devices using such assemblies
US4393746A (en) * 1981-07-31 1983-07-19 The United States Of America As Represented By The Secretay Of The Army Ammunition magazine with built-in compartment covers
US4492144A (en) * 1982-04-05 1985-01-08 General Electric Company Transport mechanism for ammunition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1247266A (fr) * 1959-02-13 1960-11-25 Oerlikon Buehrle Ag Magasins à munitions pour armes à feu automatiques
FR2048696A5 (fr) * 1969-05-22 1971-03-19 Gen Electric
FR2237816A1 (fr) * 1973-07-17 1975-02-14 Gen Electric

Also Published As

Publication number Publication date
BR8307051A (pt) 1984-07-31
ES8501113A1 (es) 1984-11-01
EP0111780A3 (en) 1985-09-25
DE3375429D1 (en) 1988-02-25
ES528251A0 (es) 1984-11-01
US4589325A (en) 1986-05-20
IL70386A (en) 1988-06-30
JPS59119198A (ja) 1984-07-10
EP0111780A2 (fr) 1984-06-27

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