EP0274145B1 - Air gun - Google Patents

Air gun Download PDF

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Publication number
EP0274145B1
EP0274145B1 EP87202287A EP87202287A EP0274145B1 EP 0274145 B1 EP0274145 B1 EP 0274145B1 EP 87202287 A EP87202287 A EP 87202287A EP 87202287 A EP87202287 A EP 87202287A EP 0274145 B1 EP0274145 B1 EP 0274145B1
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EP
European Patent Office
Prior art keywords
piston
compressed air
weapon according
resp
air weapon
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
EP87202287A
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German (de)
French (fr)
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EP0274145A2 (en
EP0274145A3 (en
Inventor
Léon Rutten
Jean Rutten
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Rutten Sa Electromecanique
Original Assignee
Rutten Sa Electromecanique
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Publication date
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Priority to AT87202287T priority Critical patent/ATE65317T1/en
Publication of EP0274145A2 publication Critical patent/EP0274145A2/en
Publication of EP0274145A3 publication Critical patent/EP0274145A3/en
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Publication of EP0274145B1 publication Critical patent/EP0274145B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/70—Details not provided for in F41B11/50 or F41B11/60
    • F41B11/71—Electric or electronic control systems, e.g. for safety purposes
    • 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
    • F41A7/00—Auxiliary mechanisms for bringing the breech-block or bolt or the barrel to the starting position before automatic firing; Drives for externally-powered guns; Remote-controlled gun chargers
    • F41A7/02—Machine gun rechargers, e.g. manually operated
    • F41A7/06—Machine gun rechargers, e.g. manually operated electrically operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/50—Magazines for compressed-gas guns; Arrangements for feeding or loading projectiles from magazines
    • F41B11/57—Electronic or electric systems for feeding or loading
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/60—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas
    • F41B11/64—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas having a piston effecting a compressor stroke during the firing of each shot
    • F41B11/642—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas having a piston effecting a compressor stroke during the firing of each shot the piston being spring operated
    • F41B11/646—Arrangements for putting the spring under tension

Definitions

  • the invention relates to a compressed air weapon of the type provided with a piston capable of causing the compression of the air contained in a chamber and of a spring acting on the piston.
  • This weapon can be a rifle, a revolver or other, intended for competition, a toy, etc.
  • the object of the invention is to remedy said drawback and other disadvantages of known compressed air weapons so as to obtain a weapon no longer requiring arming by "breaking" or telescoping the weapon.
  • the weapon comprises a transport mechanism for moving the piston in a direction against the spring, this mechanism comprising an electric motor powered by battery, a rigid movable element linearly movable in a direction parallel to the direction of displacement of the piston and a mechanical transmission between this mobile element and the motor transforming the rotary movement of the motor axis into a linear translation of the mobile element, and hooking means mounted on the mobile element for hooking, when translation of the piston against the spring, a part moving with this piston, the motor, the battery and the transport mechanism being incorporated in the weapon.
  • this mechanism comprising an electric motor powered by battery, a rigid movable element linearly movable in a direction parallel to the direction of displacement of the piston and a mechanical transmission between this mobile element and the motor transforming the rotary movement of the motor axis into a linear translation of the mobile element, and hooking means mounted on the mobile element for hooking, when translation of the piston against the spring, a part moving with this piston, the motor, the battery and the transport mechanism being incorporated in the weapon.
  • An air gun containing a transport mechanism for moving the piston is known from US-A-2 834 332.
  • a toy weapon is described, the breech of which acts as a piston which can cause the compression of the contained air. in a room.
  • the transport mechanism moving the cylinder head forming a piston against a spring to compress the air is an electromagnet whose solenoid is powered by a battery mounted in the butt.
  • the breech it is not only not practical that the breech is mobile but especially the energies in play are a thousand times stronger than in a toy. If in a real weapon a solenoid would be used it would be a huge solenoid, totally impossible to incorporate in the weapon.
  • US-A-3,192,915 relates to an apparatus for launching food projectiles which comprises in one embodiment a mechanism for moving in a chamber a piece of lead against a spring, this mechanism comprising a cable connected to the lead piece and wound on a drum driven by an electric motor.
  • this device does not use compressed air as a motive force for the projectile, but the piece of lead which is set in motion by the detention of the spring engages and propels the projectile directly.
  • US-A-3,192,915 also describes an embodiment with compressed air, but this embodiment does not include a spring, a piece of lead, or a piston, the air being compressed in a reservoir by a compressor.
  • the mechanical transmission comprises a rotary element rotatably mounted in the weapon, and cooperating with the mobile element so that a rotation of the rotary element is transformed into a translation of the movable element.
  • Figure 1 schematically shows a rifle according to the invention
  • Figure 2 shows on an enlarged scale the part indicated by F2 in Figure 1
  • Figure 3 shows a view similar to that of Figure 2 but for a variant
  • Figure 4 shows a section along the line IV-IV of Figure 3
  • Figures 5 and 6 show views similar to that of Figure 3, in two other positions.
  • FIG. 1 represents an air rifle 1 constituted, in a traditional manner, by two main parts, in particular the barrel 2 and the stock 3 incorporating the elements of cocking, trigger, etc ...
  • the compressed air chamber 4 provided with an outlet channel 5; the compressed air piston 6, the rod 7 of which is surrounded by a coil spring 8 trapped between said piston 6 and the stock 3; a hooking device 9 between the rod 7 and a threaded rod 10 and, finally, a toothed nut 11 meshing with a toothed wheel 12 driven by an electric geared motor 13 connected to a battery 14.
  • the device 9 is shown diagrammatically by a pivotable part 15 which can be hooked to the hook-shaped end 16 of said threaded rod 10, the part 15 being provided, for its release, with an inclined plane 17 which can cooperate with a stop 18 forming, in a way, the trigger of the weapon adequately connected to the trigger 19.
  • the stop 18 can be controlled by the trigger 19 while the reversible motor-reducer 13 can be controlled by the arming button 20.
  • the operation of the rifle according to the invention is as follows.
  • the actuation of the push button 20 supplies the current to said gear motor 13 driving the toothed wheel 12 and, thus, the nut 11. Therefore, the threaded rod 10 is moved, to the right in the drawing, causing the hooking of said part 15 by the hook 16, thereby compressing the spring 8.
  • the movement of said piston 6 is stopped when the inclined plane of said part 15 is just next to the stop 18.
  • the stopping of the gear motor 13 can, for example, be determined by a limit switch, not shown in the drawings.
  • the rod 7 actuates a switch, not shown in the drawings, controlling the gear motor 13 in the opposite direction so that the hook 16 comes again to engage the part 15 of the rod 7 in view of a next armament.
  • FIG. 3 to 6 is shown an alternative embodiment in which we find the above elements 1 to 8, 10 to 13, the trigger 18, the trigger 19 and the cocking button 20.
  • the piston 6 is constituted by a part 21 extended by a tube-shaped part 22.
  • the latter is provided with three oblong slots 23-24-25 serving, respectively, for guiding the piston 6 in the body 26 by means of a guide 27, thus avoiding the piston 6 to rotate about its axis, the attachment with the pusher 28 and the attachment of the trigger 18.
  • the piston 6 is provided with a guide rod 29 sliding in a tube 30 fixed to the body 26.
  • Said spring 8 surrounds the rod 29 and, respectively, the tube 30.
  • the trigger 18 is adequately connected to the trigger 19.
  • the gear motor 13 whose outlet axis 31 is connected to the threaded rod 10 on which is mounted rotary, the translation nut 11.
  • the pusher 28 located between two stops, respectively 33-34, and biased by a spring 35 fixed on the nut itself.
  • the nut 11 can actuate the two limit switches, respectively 36-37.
  • the pusher 28 can push in a rod 38 urged by a spring 39.
  • the rifle In the unarmed position, the rifle is in the state as shown in FIG. 3.
  • the piston 6 is in its extreme front position, the spring 8 is relaxed, the pusher 28 is in the groove 24 of the tube 22 and is held against the stop 33 by the rod 38.
  • the cocking of the rifle begins with the depressing of the button 20, thus supplying the motor 13 via the battery integrated in the stock and rotating the threaded rod 10.
  • the pusher 28 comes into contact with the piston 6, more particularly with the tube 22 of this piston 6, thus canceling out the usefulness of the rod 38.
  • the nut 11, via of the pusher 28 drives the piston 6 towards the rear while compressing both the arming spring 8.
  • the depressing of the switch 37 causes the reverse rotation of the motor 13 and, consequently, the return stroke of the nut 11.
  • the piston 6 remains blocked against the trigger 18 as long as the trigger 19 is not actuated.
  • the trigger 19 is or is not actuated during the return phase of the nut 11.
  • the pusher 28 If the trigger 19 is not actuated during the return phase of the nut 11, the pusher 28 always remains inclined until it comes into contact with the rod 38 which straightens it. The nut 11 finally actuates the switch 36, thus ending the return stroke.
  • the trigger 19 By actuating the trigger 19, the trigger 18 is lowered and the piston 6 is propelled forward under the action of the spring 8. The air is suddenly compressed and the shot goes away if the rifle is loaded and not "broken" . Otherwise we have a blank shot.
  • the trigger 19 is actuated during the return phase of the nut 11, the trigger 18 is lowered and releases the piston 6 while the pusher 28 continues its return stroke in the inclined position. The piston is propelled forward under the action of the spring 8 and the blow starts while the nut 11 continues its movement.
  • the pusher 28 comes into contact with the lever 38 which tends to straighten it, which is not possible since it comes to fight against the external wall of the piston 6-22 having no light or groove at this location.
  • the push-button 28 is straightened when it meets the light 24.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Nozzles (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Actuator (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

Compressed-air weapon of the type equipped with a piston (6) capable of causing the compression of the air contained in a chamber (4) under the action of a spring (8), characterised in that the cocking of the weapon, that is to say the compression of the said spring (8), is obtained as a result of the interaction of the said piston (6) with transport elements (16-28) controlled by an electric motor (13) fed by a battery (14), the entire assembly being incorporated in the weapon. <IMAGE>

Description

L'invention concerne une arme à air comprimé du type pourvu d'un piston pouvant provoquer la compression de l'air contenu dans une chambre et d'un ressort agissant sur le piston.The invention relates to a compressed air weapon of the type provided with a piston capable of causing the compression of the air contained in a chamber and of a spring acting on the piston.

Cette arme peut être une carabine, un révolver ou autre, destiné à la compétition, un jouet, etc.This weapon can be a rifle, a revolver or other, intended for competition, a toy, etc.

Il est connu que l'inconvénient majeur des armes à ressort et à piston est incontestablement l'armement manuel, toujours difficile même pour un adulte.It is known that the major drawback of spring and piston weapons is undoubtedly manual arming, which is always difficult even for an adult.

Cet inconvénient est présent dans les armes du type susdit qui sont décrits dans DE-B-1 093 706 et DE-C-709 520. Dans ces armes la compression de l'air contenu dans la chambre est obtenue par un déplacement manuel du piston dans cette chambre, ce piston compressant le ressort. Dans l'arme selon DE-B-1 093 706 la chambre est télescopique, le tube avant, contenant le piston, pouvant être amené en arrière pour armer l'arme. Dans l'arme selon DE-C-709 520 le piston est déplacé en comprimant le ressort par un levier lors du "cassage" de l'arme.This drawback is present in the weapons of the aforementioned type which are described in DE-B-1 093 706 and DE-C-709 520. In these weapons the compression of the air contained in the chamber is obtained by manual displacement of the piston in this chamber, this piston compressing the spring. In the weapon according to DE-B-1 093 706 the chamber is telescopic, the front tube, containing the piston, can be brought back to arm the weapon. In the weapon according to DE-C-709 520 the piston is moved by compressing the spring by a lever during the "breaking" of the weapon.

Le but de l'invention est de rémedier audit inconvénient et à d'autres inconcénients des armes à air comprimé connues en sorte d'obtenir une arme ne nécessitant plus un armement par "cassage" ou télescopage de l'arme.The object of the invention is to remedy said drawback and other disadvantages of known compressed air weapons so as to obtain a weapon no longer requiring arming by "breaking" or telescoping the weapon.

A cet effet, l'arme comprend un mécanisme de transport pour déplacer le piston dans une direction à l'encontre du ressort, ce mécanisme comprenant un moteur électrique alimenté par batterie, un élément rigide mobile linéairment déplaçable dans une direction parallèle à la direction de déplacement du piston et une transmission mécanique entre cet élément mobile et le moteur transformant le mouvement rotatif de l'axe du moteur en une translation linéaire de l'élément mobile, et des moyens d'accrochage montés sur l'élément mobile pour accrocher, lors de la translation du piston à l'encontre du ressort, une partie se déplaçant avec ce piston, le moteur, la batterie et le mécanisme de transport étant incorporés dans l'arme.To this end, the weapon comprises a transport mechanism for moving the piston in a direction against the spring, this mechanism comprising an electric motor powered by battery, a rigid movable element linearly movable in a direction parallel to the direction of displacement of the piston and a mechanical transmission between this mobile element and the motor transforming the rotary movement of the motor axis into a linear translation of the mobile element, and hooking means mounted on the mobile element for hooking, when translation of the piston against the spring, a part moving with this piston, the motor, the battery and the transport mechanism being incorporated in the weapon.

Une arme à air comprimé contenant un mécanisme de transport pour déplacer le piston est connue de US-A-2 834 332. Dans ce brevet, une arme jouet est décrite dont la culasse fait office de piston pouvant provoquer la compression de l'air contenu dans une chambre. Le mécanisme de transport deplaçant la culasse formant piston à l'encontre d'un ressort pour comprimer l'air est un electro-aimant dont le solénoïde est alimenté par une pile montée dans la crosse. Dans une arme à air comprimé réelle il n'est non seulement pas pratique que la culasse soit mobile mais surtout les énergies en jeu sont mille fois plus fortes que dans un jouet. Si dans une arme réelle un solénoïde serait utilisé il faudrait un solénoïde énorme, totalement impossible à incorporer dans l'arme.An air gun containing a transport mechanism for moving the piston is known from US-A-2 834 332. In this patent, a toy weapon is described, the breech of which acts as a piston which can cause the compression of the contained air. in a room. The transport mechanism moving the cylinder head forming a piston against a spring to compress the air is an electromagnet whose solenoid is powered by a battery mounted in the butt. In a real airgun it is not only not practical that the breech is mobile but especially the energies in play are a thousand times stronger than in a toy. If in a real weapon a solenoid would be used it would be a huge solenoid, totally impossible to incorporate in the weapon.

US-A-3 192 915 concerne un appareil pour lancer des projectiles de nourriture qui comprend dans une forme de réalisation un mécanisme pour déplacer dans une chambre une pièce de plomb à l'encontre d'un ressort, ce mécanisme comprenant un câble connecté à la pièce de plomb et enroulé sur un tambour entraîné par un moteur électrique. Cet appareil n'utilise cependant pas d'air comprimé comme force motrice pour le projectile mais la pièce de plomb qui est mis en mouvement par la détention du ressort engage et propulse directement le projectile.US-A-3,192,915 relates to an apparatus for launching food projectiles which comprises in one embodiment a mechanism for moving in a chamber a piece of lead against a spring, this mechanism comprising a cable connected to the lead piece and wound on a drum driven by an electric motor. However, this device does not use compressed air as a motive force for the projectile, but the piece of lead which is set in motion by the detention of the spring engages and propels the projectile directly.

En plus, le câble est fixé à demeure à la pièce de plomb de sorte que lors de la détente du ressort le câble est subitement déroulé à grande vitesse. US-A-3 192 915 décrit également une forme de réalisation à air comprimé, mais cette forme de réalisation ne comprend ni ressort, ni pièce de plomb, ni piston, l'air étant comprimé dans un réservoir par un compresseur.In addition, the cable is fixed permanently to the lead piece so that when the spring is released the cable is suddenly unwound at high speed. US-A-3,192,915 also describes an embodiment with compressed air, but this embodiment does not include a spring, a piece of lead, or a piston, the air being compressed in a reservoir by a compressor.

Dans une forme de réalisation particulière de l'invention la transmission mécanique comprend un élément rotatif monté à rotation dans l'arme, et coopérant avec l'élément mobile de manière à ce qu'une rotation de l'élément rotatif soit transformée en une translation de l'élément mobile.In a particular embodiment of the invention, the mechanical transmission comprises a rotary element rotatably mounted in the weapon, and cooperating with the mobile element so that a rotation of the rotary element is transformed into a translation of the movable element.

Afin de mieux faire ressortir les caractéristiques et avantages de l'invention, des exemples de mise en oeuvre sont décrits ci-après avec référence aux dessins annexés, dans lesquels:
la figure 1 représente schématiquement une carabine selon l'invention;
la figure 2 représente à échelle agrandie la partie indiquée par F2 à la figure 1;
la figure 3 représente une vue semblable à celle de la figure 2 mais pour une variante;
La figure 4 représente une coupe selon la ligne IV-IV de la figure 3;
les figures 5 et 6 représentent des vues semblables à celle de la figure 3, dans deux autres positions.In order to better highlight the characteristics and advantages of the invention, examples of implementation are described below with reference to the appended drawings, in which:
Figure 1 schematically shows a rifle according to the invention;
Figure 2 shows on an enlarged scale the part indicated by F2 in Figure 1;
Figure 3 shows a view similar to that of Figure 2 but for a variant;
Figure 4 shows a section along the line IV-IV of Figure 3;
Figures 5 and 6 show views similar to that of Figure 3, in two other positions.

La figure 1 représente une carabine à air 1 constituée, de manière traditionelle, par deux parties principales, notamment le canon 2 et la crosse 3 incorporant les éléments d'armement, de détente, etc...FIG. 1 represents an air rifle 1 constituted, in a traditional manner, by two main parts, in particular the barrel 2 and the stock 3 incorporating the elements of cocking, trigger, etc ...

Dans cette exécution schématique sont encore représentés: la chambre à air comprimé 4 pourvue d'un canal de sortie 5; le piston à air comprimé 6 dont la tige 7 est entourée par un ressort à boudin 8 emprisonné entre ledit piston 6 et la crosse 3; un dispositif d'accrochage 9 entre la tige 7 et une tige filetée 10 et, enfin, un écrou denté 11 engrenant avec une roue dentée 12 entraînée par un moto-réducteur électrique 13 branché sur une pile ou batterie 14.In this schematic embodiment are also shown: the compressed air chamber 4 provided with an outlet channel 5; the compressed air piston 6, the rod 7 of which is surrounded by a coil spring 8 trapped between said piston 6 and the stock 3; a hooking device 9 between the rod 7 and a threaded rod 10 and, finally, a toothed nut 11 meshing with a toothed wheel 12 driven by an electric geared motor 13 connected to a battery 14.

Le dispositif 9 est schématisé par une partie pivotable 15 pouvant s'accrocher à l'extrémité en forme de crochet 16 de ladite tige filetée 10, la partie 15 étant pourvue, en vue de sa libération, d'un plan incliné 17 pouvant coopérer avec une butée 18 formant, en quelque sorte, la gâchette de l'arme reliée d'une manière adéquate à la détente 19. La butée 18 peut être commandée par la détente 19 tandis que le moto-réducteur réversible 13 peut être commandé par l'intermédiare d'un bouton d'armement 20.The device 9 is shown diagrammatically by a pivotable part 15 which can be hooked to the hook-shaped end 16 of said threaded rod 10, the part 15 being provided, for its release, with an inclined plane 17 which can cooperate with a stop 18 forming, in a way, the trigger of the weapon adequately connected to the trigger 19. The stop 18 can be controlled by the trigger 19 while the reversible motor-reducer 13 can be controlled by the arming button 20.

Le fonctionnement de la carabine selon l'invention est comme suit.The operation of the rifle according to the invention is as follows.

L'actionnement du bouton-poussoir 20 réalise l'alimentation en courant dudit moto-réducteur 13 entraînant la roue dentée 12 et, ainsi, l'écrou 11. De ce fait, la tige filetée 10 est déplacée, vers la droite dans le dessin, entraînant l'accrochage de ladite partie 15 par le crochet 16, en comprimant ainsi le le ressort 8. Le déplacement dudit piston 6 est arrêté au moment où le plan incliné de ladite partie 15 se situe juste à côté de la butée 18. L'arrêt du moto-réducteur 13 peut, par exemple, être déterminé par un interrupteur de fin de course, non réprésenté dans les dessins.The actuation of the push button 20 supplies the current to said gear motor 13 driving the toothed wheel 12 and, thus, the nut 11. Therefore, the threaded rod 10 is moved, to the right in the drawing, causing the hooking of said part 15 by the hook 16, thereby compressing the spring 8. The movement of said piston 6 is stopped when the inclined plane of said part 15 is just next to the stop 18. The stopping of the gear motor 13 can, for example, be determined by a limit switch, not shown in the drawings.

Il convient, à ce moment, d'actionner la détente 19 afin de mouvoir ou de faire pivoter la butée 18 entraînant ainsi ladite partie 15, laquelle libère finalement le piston 6. Ce dernier, sous l'action du ressort 8, est propulsé vers l'avant, comprimant ainsi l'air contenu dans la chambre 4 servant à lancer le projectile placé dans le canon 2.It is advisable, at this moment, to activate the trigger 19 in order to move or to pivot the stop 18 thus causing said part 15, which finally releases the piston 6. The latter, under the action of spring 8, is propelled towards the front, thus compressing the air contained in the chamber 4 used to launch the projectile placed in the barrel 2.

Pendant son mouvement vers l'avant du piston 6, la tige 7 actionne un interrupteur, non représentée dans les dessins, commandant le moto-réducteur 13 en sens inverse afin que le crochet 16 vienne de nouveau engager la partie 15 de la tige 7 en vue d'un armement suivant.During its forward movement of the piston 6, the rod 7 actuates a switch, not shown in the drawings, controlling the gear motor 13 in the opposite direction so that the hook 16 comes again to engage the part 15 of the rod 7 in view of a next armament.

Dans les figures 3 à 6 est représentée une variante de réalisation dans laquelle on retrouve les susdits éléments 1 à 8, 10 à 13, la gâchette 18, la détente 19 et le bouton d'armement 20. Dans cette exécution le piston 6 est constitué par une partie 21 prolongée par une partie en forme de tube 22. Cette dernière est pourvue de trois lumières oblongues 23-24-25 servant, respectivement, au guidage du piston 6 dans le corps 26 au moyen d'un guide 27, évitant ainsi au piston 6 de tourner autour de son axe, à l'accrochage avec le poussoir 28 et à l'accrochage de la gâchette 18.In Figures 3 to 6 is shown an alternative embodiment in which we find the above elements 1 to 8, 10 to 13, the trigger 18, the trigger 19 and the cocking button 20. In this embodiment the piston 6 is constituted by a part 21 extended by a tube-shaped part 22. The latter is provided with three oblong slots 23-24-25 serving, respectively, for guiding the piston 6 in the body 26 by means of a guide 27, thus avoiding the piston 6 to rotate about its axis, the attachment with the pusher 28 and the attachment of the trigger 18.

Le piston 6 est pourvu d'une tige de guidage 29 coulissant dans un tube 30 fixé sur le corps 26.The piston 6 is provided with a guide rod 29 sliding in a tube 30 fixed to the body 26.

Ledit ressort 8 entoure la tige 29 et, respectivement, le tube 30.Said spring 8 surrounds the rod 29 and, respectively, the tube 30.

La gâchette 18 est reliée de façon adéquate à la détente 19. En dessous de la chambre à air comprimé 4 est monté le moto-réducteur 13 dont l'axe de sortie 31 est relié à la tige filetée 10 sur laquelle est monté de façon non rotative, l'écrou 11 de translation. Sur ce dernier est monté, pivotable autour d'un axe 32, le poussoir 28 situé entre deux butées, respectivement 33-34, et sollicité par un ressort 35 fixé sur l'écrou lui-même.The trigger 18 is adequately connected to the trigger 19. Below the compressed air chamber 4 is mounted the gear motor 13 whose outlet axis 31 is connected to the threaded rod 10 on which is mounted rotary, the translation nut 11. On the latter is mounted, pivotable about an axis 32, the pusher 28 located between two stops, respectively 33-34, and biased by a spring 35 fixed on the nut itself.

De part et d'autre, l'écrou 11 peut actionner les deux interrupteurs de fin de course, respectivement 36-37.On either side, the nut 11 can actuate the two limit switches, respectively 36-37.

Enfin, le poussoir 28 peut enfoncer une tige 38 sollicitée par un ressort 39.Finally, the pusher 28 can push in a rod 38 urged by a spring 39.

Le fonctionnement de l'exécution selon les figures 3 à 6 est comme suit.The operation of the execution according to FIGS. 3 to 6 is as follows.

En position non armée, la carabine se trouve dans l'état tel que représenté dans la figure 3. Le piston 6 se trouve dans sa position extrême avant, le ressort 8 est détendu, le poussoir 28 se trouve dans la rainure 24 du tube 22 et est maintenu contre la butée 33 par la tige 38.In the unarmed position, the rifle is in the state as shown in FIG. 3. The piston 6 is in its extreme front position, the spring 8 is relaxed, the pusher 28 is in the groove 24 of the tube 22 and is held against the stop 33 by the rod 38.

L'armement de la carabine commence par l'enfoncement du bouton 20, alimentant ainsi le moteur 13 via la batterie intégrée dans la crosse et mettant en rotation la tige filetée 10.The cocking of the rifle begins with the depressing of the button 20, thus supplying the motor 13 via the battery integrated in the stock and rotating the threaded rod 10.

De par cette rotation, l'écrou 11 se déplace vers l'arrière, libérant ainsi l'interruptuer 36. La tige 38 continue de maintenir le poussoir 28 en position verticale aussi longtemps que le couple exercé par le ressort 39 sur la tige 38 est supérieur au couple exercé par le ressort de rappel 35 sur le poussoir 28.Due to this rotation, the nut 11 moves backwards, thereby releasing the switch 36. The rod 38 continues to maintain the pusher 28 in the vertical position as long as the torque exerted by the spring 39 on the rod 38 is greater than the torque exerted by the return spring 35 on the pusher 28.

A un moment donné, le poussoir 28 vient en contact avec le piston 6, plus spécialement avec le tube 22 de ce piston 6, annulant ainsi l'utilité de la tige 38. De cette manière, l'écrou 11, par l'intermédiaire du poussoir 28, entraîne le piston 6 vers l'arrière en comprimant à la fois le ressort d'armement 8.At a given moment, the pusher 28 comes into contact with the piston 6, more particularly with the tube 22 of this piston 6, thus canceling out the usefulness of the rod 38. In this way, the nut 11, via of the pusher 28, drives the piston 6 towards the rear while compressing both the arming spring 8.

Au moment où l'écrou 11 arrive dans sa position extrême arrière, le piston 6, par l'intermédiaire de l'ouverture 25, s'enclenche sur la gâchette 18, le ressort 8 étant comprimé à son maximum.When the nut 11 arrives in its rear extreme position, the piston 6, via the opening 25, engages on the trigger 18, the spring 8 being compressed to its maximum.

L'enfoncement de l'interrupteur 37 provoque la rotation inverse du moteur 13 et, par conséquent, la course retour de l'écrou 11. Le piston 6 reste bloqué contre la gâchette 18 tant que la détente 19 n'est pas actionnée.The depressing of the switch 37 causes the reverse rotation of the motor 13 and, consequently, the return stroke of the nut 11. The piston 6 remains blocked against the trigger 18 as long as the trigger 19 is not actuated.

Pendant la course retour, l'interrupteur 37 est relâché. Son action d'inversion du sens de la rotation du moteur 13 a été mémorisée.During the return stroke, the switch 37 is released. Its action of reversing the direction of rotation of the motor 13 has been memorized.

Pendant sont trajet vers l'avant, le poussoir 28 s'incline sous la traction du ressort de rappel 35 contre la butée 34, permettant ainsi le retour du piston 6 lors d'un tir éventuel. A ce moment, il existe deux possibilités. La détente 19 est ou non actionnée durant la phase de retour de l'écrou 11.During their forward path, the pusher 28 tilts under the traction of the return spring 35 against the stop 34, thus allowing the return of the piston 6 during a possible firing. At this time, there are two possibilities. The trigger 19 is or is not actuated during the return phase of the nut 11.

Si la détente 19 n'est pas actionnée durant la phase retour de l'écrou 11, le poussoir 28 reste toujours incliné jusqu'au moment où il entre en contact avec la tige 38 qui le redresse. L'écrou 11 actionne finalement l'interrupteur 36, terminant ainsi la course retour. En actionnant la détente 19, la gâchette 18 s'abaisse et le piston 6 est propulsé vers l'avant sous l'action du ressort 8. L'air est comprimé brutalement et le coup part si la carabine est chargée et non "cassée". Sinon on a un tir à blanc.If the trigger 19 is not actuated during the return phase of the nut 11, the pusher 28 always remains inclined until it comes into contact with the rod 38 which straightens it. The nut 11 finally actuates the switch 36, thus ending the return stroke. By actuating the trigger 19, the trigger 18 is lowered and the piston 6 is propelled forward under the action of the spring 8. The air is suddenly compressed and the shot goes away if the rifle is loaded and not "broken" . Otherwise we have a blank shot.

Si, au contraire, la détente 19 est actionnée durant la phase de retour de l'écrou 11, la gâchette 18 se baisse et libère le piston 6 pendant que le poussoir 28 poursuit sa course retour en position inclinée. Le piston est propulsé vers l'avant sous l'action du ressort 8 et le coup part tandis que l'écrou 11 continue son mouvement.If, on the contrary, the trigger 19 is actuated during the return phase of the nut 11, the trigger 18 is lowered and releases the piston 6 while the pusher 28 continues its return stroke in the inclined position. The piston is propelled forward under the action of the spring 8 and the blow starts while the nut 11 continues its movement.

Le poussoir 28 entre en contact avec le levier 38 qui tend à le redresser, ce qui n'est pas possible étant donné qu'il vient lutter contre la paroi externe du piston 6-22 ne présentant pas de lumière ou rainure à cet endroit. Le redressement du poussoir 28 s'effectue lorsqu'il rencontre la lumière 24.The pusher 28 comes into contact with the lever 38 which tends to straighten it, which is not possible since it comes to fight against the external wall of the piston 6-22 having no light or groove at this location. The push-button 28 is straightened when it meets the light 24.

L'actionnement de l'interrupteur 36 par l'écrou 11 fait que la course retour est arrêtée.The actuation of the switch 36 by the nut 11 causes the return stroke to be stopped.

Claims (24)

  1. Compressed air weapon, of the type provided with a piston (6) which can cause the compression of the air contained in a chamber (4) and a spring (8) acting on the piston, characterised in that the weapon comprises a transport mechanism for moving the piston (6) in one direction against the spring (8), this mechanism comprising an electric motor (13) driven by battery (14), a mobile rigid element (10 resp. 11) linearly movable in a direction parallel to the direction of movement of the piston (6) and a mechanical transmission (11, 12, resp. 10) between this mobile element (10 resp. 11) and the motor (13) transforming the rotary movement of the shaft of the motor (13) into linear transfer of the mobile element, and hooking means (16 resp 28) mounted on the mobile element (10 resp. 11) to hook, with the transfer of the piston (6) against the spring (8), a part (7 resp. 22) moving with this piston, the motor (13) the battery and the transport mechanism being incorporated in the weapon.
  2. Compressed air weapon according to the preceding claim, characterised in that the mechanical transmission (11, 12 resp. 10) comprises a rotary element (11 resp 10) mounted revolvingly in the weapon, and works together with the mobile element (10 resp 11) in such manner that a rotation of the rotary element (11 resp 10) be transformed into a transfer of the mobile element (10 resp 11).
  3. Compressed air weapon according to the preceding claim, characterised in that one of the rotary and mobile elements is a threaded rod (10) the other being a nut (11) into which this rod (10) is screwed.
  4. Compressed air weapon according to claim 1, characterised in that the piston (6) consists of a piston itself (21) serving to propel the air contained in the chamber (4) and a part in the form of a tube (22) in which the spring (8) is lodged.
  5. Compressed air weapon according to claim 4, characterised in that the part (21) of the piston (6) is provided with a rod (29) traversing the spring (8) and working together, in sliding manner, with a guiding tube (30) attached to the body of the weapon.
  6. Compressed air weapon according to claim 5, characterised in that longitudinal guiding means are provided for the piston (6).
  7. Compressed air weapon according to claim 6, characterised in that the aforementioned guiding means are provided between the rod (29) and the tube (30).
  8. Compressed air weapon according to claim 6, characterised in that the aforementioned guiding means are provided between the piston (6) and the body of the weapon.
  9. Compressed air weapon according to claim 8, characterised in that the guiding means consist of a groove (23) in the part in the form of a tube (22) of the piston (6) and a guide (27) which works together with this groove.
  10. Compressed air weapon according to one of the claims 4 to 9, characterised in that the hooking means (28) show a pushing element, the part in the form of a tube (22) of the piston (6) showing two oblong slots (24 and 25) which can work together, respectively, with the pushing element (28) serving to drive the piston (6) toward the sear (18) and with this sear (18) to engage the latter at the moment the piston (6) reaches the cocked position.
  11. Compressed air weapon according to the claims 3 and 10, characterised in that the aforementioned pushing element (28) is mounted on the aforementioned nut (11), itself mounted in a non rotary manner but longitudinally movable in relation to the body of the weapon on the threaded rod (10).
  12. Compressed air weapon according to the preceding claim, characterised in that the pushing element (28) is mounted on the nut (11) in pivotable manner between two stops (33 and 34).
  13. Compressed air weapon according to the preceding claim, characterised in that between the pushing element (28) and the nut (11) a drawback spring (35) is provided tending to make the pushing element swing against the stop (34).
  14. Compressed air weapon according to the claim 12 or 13, characterised in that the pushing element (28) can swing between a vertical position in which it engages in the slot (24) in the part in the form of a tube (22) of the piston (6) and a lowered position in which the pushing element is out of the aforementioned slot (24).
  15. Compressed air weapon according to the preceding claim, characterised in that, in its forward position, the pushing element (28) is engaged by a rod (38) in order to hold the pushing element (28) in it vertical position.
  16. Compressed air weapon according to the preceding claim, characterised in that the rod (38) is engaged by a spring (39) pressing the aforementioned rod (38) in the direction of the pushing element (28).
  17. Compressed air weapon according to one of the claims 11 to 16, characterised in that the piston (6) and the threaded rod (10) are mounted one above the other.
  18. Compressed air weapon according to any of the claims 1 to 9, characterised in that the hooking means (16, resp. 28) comprise a part in the form of a hook (16) mounted on the mobile element (10) which can work together with a part in the form of a hook (15) mounted on the part (7) moving with the piston (6).
  19. Compressed air weapon according to claim 3, characterised in that the piston (6) is provided with a rod (7) of which the extremity is connected, in releasable manner with the assistance of hooking means (16 resp 28) to a threaded rod (10) forming the mobile element driven by an axially immobile nut (11) and which forms the rotary element.
  20. Compressed air weapon according to claims 18 and 19, characterised in that the part in the form of a hook (15) mounted on the part moving with the piston (6) is formed by a pivotable extremity of the rod (7) of the piston (6), the other part in the form of a hook (16) being formed by an extremity of the threaded rod (10).
  21. Compressed air weapon according to claim 19 or 20, characterised in that, in the cocked position of the weapon, the pivotable part (15) can be released from the threaded rod (10) by means of the sear (18) connected to the trigger.
  22. Compressed air weapon according to one of the claims 19 to 21, characterised in that the nut (11) is toothed on the exterior and meshes into a toothed wheel (12) mounted on the shaft of the reversible electric motor (13).
  23. Compressed air weapon according to one of the claims 19 to 22, characterised in that the piston (6) and the threaded rod (10) are mounted one behind the other.
  24. Compressed air weapon according to one of the claims 19 to 23, characterised in that at each extremity of the aforementioned threaded rod (10) an end switch (36-37) is provided which determines the direction of rotation of the motor (13).
EP87202287A 1986-12-12 1987-11-23 Air gun Expired - Lifetime EP0274145B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87202287T ATE65317T1 (en) 1986-12-12 1987-11-23 COMPRESSED AIR GUN.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2061106 1986-12-12
BE2/01106A BE905904A (en) 1986-12-12 1986-12-12 COMPRESSED AIR WEAPON.

Publications (3)

Publication Number Publication Date
EP0274145A2 EP0274145A2 (en) 1988-07-13
EP0274145A3 EP0274145A3 (en) 1988-09-14
EP0274145B1 true EP0274145B1 (en) 1991-07-17

Family

ID=3865842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87202287A Expired - Lifetime EP0274145B1 (en) 1986-12-12 1987-11-23 Air gun

Country Status (6)

Country Link
US (1) US4899717A (en)
EP (1) EP0274145B1 (en)
AT (1) ATE65317T1 (en)
BE (1) BE905904A (en)
BR (1) BR8706735A (en)
ES (1) ES2023884B3 (en)

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Also Published As

Publication number Publication date
BR8706735A (en) 1988-07-19
EP0274145A2 (en) 1988-07-13
BE905904A (en) 1987-04-01
ATE65317T1 (en) 1991-08-15
US4899717A (en) 1990-02-13
ES2023884B3 (en) 1992-02-16
EP0274145A3 (en) 1988-09-14

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