EP1292801B1 - Boitier culasse de fusil et arme a feu correspondante - Google Patents

Boitier culasse de fusil et arme a feu correspondante Download PDF

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Publication number
EP1292801B1
EP1292801B1 EP01949880A EP01949880A EP1292801B1 EP 1292801 B1 EP1292801 B1 EP 1292801B1 EP 01949880 A EP01949880 A EP 01949880A EP 01949880 A EP01949880 A EP 01949880A EP 1292801 B1 EP1292801 B1 EP 1292801B1
Authority
EP
European Patent Office
Prior art keywords
trigger
firing
breechblock
pin
rifle
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
EP01949880A
Other languages
German (de)
English (en)
Other versions
EP1292801A1 (fr
Inventor
Ada Manuela Franchini
Laura Anna Franchini
Mario Franchini
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1292801A1 publication Critical patent/EP1292801A1/fr
Application granted granted Critical
Publication of EP1292801B1 publication Critical patent/EP1292801B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/60—Breech mechanisms for guns having two or more barrels
    • 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
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
    • F41A3/36—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing
    • F41A3/38—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having rocking locking elements, e.g. pivoting levers or vanes
    • F41A3/42—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having rocking locking elements, e.g. pivoting levers or vanes hand-operated

Definitions

  • the present invention relates to rifle breech box according to the preamble of claim 1 and the rifle obtained therefrom.
  • a rifle breech box is already known from document US-A-1 355 252.
  • two main groups of firearms may be defined: those with a stable closing system and those with an unstable closing system.
  • the former such as double-barrel guns for example, are typically characterized in that the surface which has the function of a breechblock keeps the cartridge immobile during the firing action and therefore all the power released during firing of a shot is transmitted to the projectile which is fired; in this type of firearm, ejection of the used case is performed manually.
  • the latter group comprises automatic weapons, in which part of the energy released during firing of a shot is used to displace the breechblock so as to eject the case without the need for manual intervention.
  • Both types of firearms have various drawbacks associated with their structure.
  • double-barrel guns must be opened for the loading and unloading operations, with a consequent loss of time; also, the unexploded cartridges must be removed manually, thus constituting a source of danger; the barrels cannot be replaced and therefore only bullets of a predefined size may be fired.
  • the object of the present invention is therefore to overcome these drawbacks.
  • the object is achieved by means of a device which allows ejection of the exploded cases to be controlled by means of operation of the trigger itself which controls firing.
  • the main advantage as regards firearms with a stable closing system consists in the fact that no manual intervention is required by the person using the firearm: therefore, it is not required to open the firearm for loading and unloading; the unexploded cartridges are ejected automatically; and finally the barrels may be replaced and the size of the cartridges to be fired may be modified.
  • a second shot is always available in the event of failure of the first shot and the power is used entirely for firing owing to the stability of the closing system; moreover, the aiming and firing action is performed in the classic position with the butt against the shoulder.
  • the invention relates to a rifle breech box which, in the solution shown by way of example in the figures, comprises two channels (6) for two vertical movable barrels (7), but which in any case comprises at least one channel (6) corresponding to at least one barrel (7), a pre-firing chamber (3) into which a cartridge is inserted before firing and from which the associated case is ejected after the shot, a breechblock (1) and associated closing means (5), firing pin (2), a trigger (10), means (8) for constraining the firing pin (2) and the trigger (10) able to ensure that, when the trigger (10) is pressed, the firing pin (2) is released so as to produce the shot, and movement transmission means (9), which are located between the trigger (10) and the means (5) for closing the breechblock (1) and are able to ensure that, again when the trigger (10) is pressed, the closing means (5) no longer engage the breechblock (1), leaving it free to return into the rest position with consequent ejection of the case.
  • disengagement of the breechblock (1) from its closing means (5) may be obtained both by prolonging the pressure exerted on the trigger (10) at the moment of firing and by means of a second pressing action separate from that which produced firing.
  • the means (8) for constraining the firing pin (2) and the trigger (10) comprise, according to the known art, a connecting lever (8a) and a tooth (8b): in the rest position, the tooth (8b) keeps the firing pin (2) locked, but when the trigger (10) is pressed, the connecting lever (8a) causes rotation of the tooth (8b) which in this way disengages the firing pin (2), causing firing.
  • the means (5) for closing the breechblock (1) comprise a shutter (4) and a rotating pin (16) which are joined together so that, upon rotation of the pin (16) about itself, the shutter (4) disengages the breechblock (1).
  • the movement transmission means (9) comprise a movable catch (13) which is constrained to the trigger (10) by means of a cam (12) so as to be raised and lowered with respect to its rest position when the trigger (10) is moved forwards and backwards, respectively.
  • the catch (13) interferes with the tappet (17), then drawing it downwards when the trigger (10) is pressed a second time.
  • Figure 3b shows the "pre-firing chamber side” at the start of the firing procedure: after insertion of a cartridge into the pre-firing chamber (3) and manually pushing the breechblock (1) forwards, the firearm is ready for shooting.
  • Figure 3a which shows the "closing side”
  • the closing system has already been locked, again manually, by raising the shutter (4) and that the catch (13) is located in the rest position.
  • the breechblock should be released following a prolonged pressure on the trigger (10) at the same time as firing, it will be sufficient to increase the length of the catch (13) so that, already in the rest position, it is located above the tappet (17), but so that lowering thereof following pressing of the trigger (10) which produces firing is insufficient to draw the tappet (17) downwards.
  • the movement transmission means (9) may comprise one or more rotating elements (14;24) provided with lugs (14a;24a) which are constrained to the trigger (10) so as to interfere, via one of its lugs (14a;24a), with the tappet (17) and lower it when the trigger (10) is pressed.
  • the dimensions of the rotating element (14;24) and the form of the lugs (14a;24a) determine whether ejection of the case occurs by pressing the trigger a second time after firing or by prolonging the first pressing action, corresponding to detonation.
  • the firearm which is obtained using a breech box (11) realised in accordance with that described above, may also be semi-automatic, in the sense that, owing to the autonomous operation of the barrels (7), two barrels (7) may also be provided on the same firearm, one operating repetitively and the other in the manner described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Telescopes (AREA)

Claims (4)

  1. Boíte de culasse de fusil, comprenant au moins un tunnel (6), correspondant à au moins un canon (7), quand la boíte de culasse de fusil est montée sur un fusil, une préchambre (3) où une cartouche est introduite avant de tirer un coup de fusil et d'où la douille correspondante est expulsée après avoir tiré un coup de fusil, un bloc de culasse-obturateur (1) et des dispositifs de verrouillage (5) correspondants, un percuteur (2), une détente (10), des dispositifs de raccord (8) entre le percuteur (2) et la détente (10), prévus pour faire en sorte qu'en appuyant sur la détente (10), le percuteur (2) soit libéré pour donner lieu au coup de fusil, des dispositifs de transmission (9) du mouvement, interposés entre la détente (10) et les dispositifs de verrouillage (5) du bloc de culasse-obturateur (1), prévus pour faire en sorte qu'en appuyant sur la détente (10), les dispositifs de verrouillage (5) cessent d'engager le bloc de culasse-obturateur (1), le laissant libre de revenir à la position de repos avec l'expulsion correspondante de la douille, caractérisée en ce que les dispositifs de verrouillage (5) du bloc de culasse-obturateur (1) comprennent un battant (4) et un axe (16) tournant, solidaires l'un de l'autre, de manière qu'au moment où l'axe (16) effectue une rotation sur lui-même, le battant (4) désengage le bloc de culasse-obturateur (1) et que les dispositifs de transmission du mouvement (9) comprennent une butée (17) solidaire de l'axe (16), prévue pour provoquer, en s'abaissant, une rotation de l'axe (16) même et donc du battant (4).
  2. Boíte de culasse de fusil selon la revendication 1, caractérisée en ce que les dispositifs de transmission (9) du mouvement comprennent un crochet (13) mobile, relié à la détente (10) au moyen d'un excentrique (12) de manière à pouvoir se soulever et s'abaisser par rapport à sa position de repos respectivement au niveau de déplacements en avant et en arrière de la détente (10), afin de s'accrocher à la butée (17) et à l'entraíner vers le bas suite à une autre pression sur la détente (10), qui fait suite à celle qui a déterminé le coup de fusil.
  3. Boíte de culasse de fusil selon la revendication 2, caractérisée en ce que les dispositifs de transmission (9) du mouvement comprennent au moins un élément (14;24) tournant pourvu d'appendices (14a;24a), relié à la détente (10) de manière à interférer avec un de ses appendices (14a;24a) contre la butée (17) et à l'abaisser, quand une pression est effectuée sur la détente (10) après le coup de fusil.
  4. Fusil comprenant une boíte de culasse de fusil, selon les revendications susmentionnées.
EP01949880A 2000-06-20 2001-06-18 Boitier culasse de fusil et arme a feu correspondante Expired - Lifetime EP1292801B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITRN000029 2000-06-20
IT2000RN000029A ITRN20000029A1 (it) 2000-06-20 2000-06-20 Scatola di culatta di fucile e relativa arma da fuoco.
PCT/IT2001/000323 WO2001098725A1 (fr) 2000-06-20 2001-06-18 Boitier culasse de fusil et arme a feu correspondante

Publications (2)

Publication Number Publication Date
EP1292801A1 EP1292801A1 (fr) 2003-03-19
EP1292801B1 true EP1292801B1 (fr) 2004-08-11

Family

ID=11456611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01949880A Expired - Lifetime EP1292801B1 (fr) 2000-06-20 2001-06-18 Boitier culasse de fusil et arme a feu correspondante

Country Status (6)

Country Link
EP (1) EP1292801B1 (fr)
AT (1) ATE273499T1 (fr)
AU (1) AU2001270990A1 (fr)
DE (1) DE60104850T2 (fr)
IT (1) ITRN20000029A1 (fr)
WO (1) WO2001098725A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE314139C (fr) *
US1355252A (en) * 1919-06-18 1920-10-12 Lloyd V Olson Repeating firearm
BE543326A (fr) * 1954-04-08

Also Published As

Publication number Publication date
AU2001270990A1 (en) 2002-01-02
DE60104850T2 (de) 2005-09-29
ITRN20000029A1 (it) 2000-09-20
EP1292801A1 (fr) 2003-03-19
DE60104850D1 (de) 2004-09-16
ATE273499T1 (de) 2004-08-15
WO2001098725A1 (fr) 2001-12-27

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