EP1345000A1 - Mécanisme d'alimentation et de chargement de munitions dans un fusil sémi-automatique - Google Patents

Mécanisme d'alimentation et de chargement de munitions dans un fusil sémi-automatique Download PDF

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Publication number
EP1345000A1
EP1345000A1 EP03075696A EP03075696A EP1345000A1 EP 1345000 A1 EP1345000 A1 EP 1345000A1 EP 03075696 A EP03075696 A EP 03075696A EP 03075696 A EP03075696 A EP 03075696A EP 1345000 A1 EP1345000 A1 EP 1345000A1
Authority
EP
European Patent Office
Prior art keywords
cartridge
lifter
breechblock
cartridges
tank tube
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.)
Withdrawn
Application number
EP03075696A
Other languages
German (de)
English (en)
Inventor
Bruno Civolani
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.)
Oto Melara SpA
Original Assignee
Oto Melara SpA
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 Oto Melara SpA filed Critical Oto Melara SpA
Publication of EP1345000A1 publication Critical patent/EP1345000A1/fr
Withdrawn legal-status Critical Current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
    • F41A3/12—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
    • F41A3/44—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having sliding locking elements, e.g. balls, rollers
    • F41A3/46—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having sliding locking elements, e.g. balls, rollers mounted on the bolt
    • 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
    • F41A9/06—Feeding of unbelted ammunition using cyclically moving conveyors, i.e. conveyors having ammunition pusher or carrier elements which are emptied or disengaged from the ammunition during the return stroke
    • F41A9/09—Movable ammunition carriers or loading trays, e.g. for feeding from magazines
    • F41A9/10—Movable ammunition carriers or loading trays, e.g. for feeding from magazines pivoting or swinging
    • F41A9/13—Movable ammunition carriers or loading trays, e.g. for feeding from magazines pivoting or swinging in a vertical plane
    • F41A9/16—Movable ammunition carriers or loading trays, e.g. for feeding from magazines pivoting or swinging in a vertical plane which is parallel to the barrel axis
    • F41A9/17—Movable ammunition carriers or loading trays, e.g. for feeding from magazines pivoting or swinging in a vertical plane which is parallel to the barrel axis mounted within a smallarm
    • F41A9/18—Movable ammunition carriers or loading trays, e.g. for feeding from magazines pivoting or swinging in a vertical plane which is parallel to the barrel axis mounted within a smallarm feeding from a tubular magazine under the barrel

Definitions

  • the present invention concerns a mechanism for loading and feeding a semi-automatic rifle and its operating method.
  • the invention concerns a mechanism for loading and feeding the cartridge in the chamber of an inertia operation semi-automatic hunting rifle with shot cartridges.
  • the breechblock In feeding and loading systems currently existing, the breechblock remains in open position only thanks to the presence of levers or buttons which, on the one hand make the rifle more complex as well as expensive, but on the other hand make the replacement of the cartridge impractical.
  • the breechblock remains open only if held with the hand which simultaneously supports the weight of the rifle, whereas with the other hand the changing of the cartridge is carried out.
  • the breechblock is taken to the switch limit unlocking a cartridge from the tank tube and taking it into the chamber preventing the replacement and insertion of an outer cartridge taken from the cartridge belt.
  • the purpose of the present invention is that of providing a mechanism for loading and feeding a semi-automatic rifle which allows the aforementioned drawbacks to be avoided providing a simple and safe system which allows the loading and replacement of the cartridge from the chamber in any easy and quick manner, an operation which is, moreover, frequent in the case of a tank which fires just three shots.
  • This purpose according to the present invention is accomplished by realising a loading and feeding mechanism according to that which is outlined in claim 1.
  • An operating method of the mechanism according to the invention forms the object of claim 8 and thereafter.
  • the mechanism for loading and feeding a semi-automatic rifle comprises a lifter and a lifting stop tooth suitable for unlocking the lifter and taking the breechblock group to the switch limit, allows the breechblock carrier to always be kept open, both with cartridges in the tank and in the absence of cartridges, without the need to hold it by hand and without the help of specific levers or buttons intended for the purpose, in this way allowing easy loading and fast replacement of the cartridge in the chamber.
  • a casing 10 of a semi-automatic hunting rifle houses, inside of its housing 11, the sear, loading and feed mechanisms for the firing of shot cartridges 12.
  • a breechblock carrier 14 slides carrying, arranged inside of it, the breechblock 15.
  • an inertia spring 16 is placed the function of which is that of compressing during the backwards motion, or recoil, of the breechblock 15 following firing to then restore its elastic energy, until a certain compression threshold is exceeded, trusting the breechblock carrier 14 which possesses a relatively large mass.
  • the breechblock carrier 14 in backwards motion recoils and frees the latch 17 protruding from the breechblock 15.
  • Said latch 17, during the whole of the firing step is engaged in a seat 18 realised in the breech 13 so as to lock making the breech 13 and the breechblock 15 integral.
  • the latch 17 engages at the bottom with a cocking clip 19 consisting of a pin which crosses the breechblock 15, to allow its unlocking once a shot is fired.
  • a firing pin 20 is arranged along the longitudinal axis of the breechblock carrier 14 and of the breechblock in a central position to strike the centre of the base plate 21 of the cartridge 12, when it is inserted in the chamber 23 of the rifle.
  • the capsule is arranged which, struck by the firing pin 20, starts of the blast.
  • the feeding and loading mechanism comprises a cartridge stopping lever 30 arranged on one side of the housing and having an actuation dowel 31, which acts as a hinge being pivoted along the side of the housing, and a return spring 32 which takes the lever back into rest position.
  • the lever 30 With one of its two ends 30' the lever 30 makes contact with the base plate of the cartridge 12 present at the inlet of a tank tube 33 intended for housing the cartridges and arranged below the chamber.
  • the feeding and loading mechanism also comprises a lifter 35 or spoon, intended to lift a cartridge 12 from the level of the tank tube 33 to the level of the overlying chamber 23 for loading.
  • the lifter 35 is locked in lowered position until a new cartridge 12 arrives, through engagement of a stop tooth 36 of the lifter arranged near to the rear portion of the lifter 35 with respect to the inlet end of the cartridge 12.
  • the breechblock carrier 14 After firing, the breechblock carrier 14 recoils and continues its stroke until the cartridge case is ejected, after which it either remains open held by a breechblock stop tooth 37, or it returns into locking position putting another cartridge in the chamber.
  • the sear mechanism comprising a hammer 38, ratchets and pivoting pins suitable, respectively, for holding the mechanisms and for allowing the rotation thereof, and a trigger 39 through which the user can act to fire.
EP03075696A 2002-03-15 2003-03-10 Mécanisme d'alimentation et de chargement de munitions dans un fusil sémi-automatique Withdrawn EP1345000A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20020559 2002-03-15
IT2002MI000559A ITMI20020559A1 (it) 2002-03-15 2002-03-15 Meccanismo di caricamento ed alimentazione di un fucile semiautomatico e suo metodo di funzionamento

Publications (1)

Publication Number Publication Date
EP1345000A1 true EP1345000A1 (fr) 2003-09-17

Family

ID=11449523

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03075696A Withdrawn EP1345000A1 (fr) 2002-03-15 2003-03-10 Mécanisme d'alimentation et de chargement de munitions dans un fusil sémi-automatique

Country Status (2)

Country Link
EP (1) EP1345000A1 (fr)
IT (1) ITMI20020559A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009113969A1 (fr) * 2008-03-10 2009-09-17 Bahtiyar Tasyagan Mécanisme de chargement de cartouche pour fusils semi-automatiques à canon lisse, qui permet de charger des cartouches d'une seule main sans abandonner la position de tir
ITBS20100091A1 (it) * 2010-05-03 2011-11-04 C D Europ S R L Fucile a funzionamento inerziale con gruppo di scatto perfezionato
WO2013103471A1 (fr) * 2012-01-06 2013-07-11 Ra Brands, L.L.C. Blocage de chargeur
US8800422B2 (en) 2012-08-20 2014-08-12 Ra Brands, L.L.C. Bolt assembly for firearms
US9417019B2 (en) 2012-08-24 2016-08-16 Ra Brands, L.L.C. Fire control for auto-loading shotgun

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB649519A (en) * 1946-05-04 1951-01-31 Costruzioni Meccaniche Breda E Improvements in automatic shotgun
US2887808A (en) * 1957-04-24 1959-05-26 Olin Mathieson Firearms carrier mechanism
US2960011A (en) * 1956-05-07 1960-11-15 Bretton Rene Jean Georges Automatic firearm having inertia released breech mechanism
US3373519A (en) * 1967-04-03 1968-03-19 Remington Arms Co Inc Carrier latch retainer for autoloading firearms
US3919800A (en) * 1974-03-01 1975-11-18 Browning Arms Co Facile loading repeating firearm
US3996685A (en) * 1975-11-14 1976-12-14 Remington Arms Company, Inc. Shell cut-off latch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB649519A (en) * 1946-05-04 1951-01-31 Costruzioni Meccaniche Breda E Improvements in automatic shotgun
US2960011A (en) * 1956-05-07 1960-11-15 Bretton Rene Jean Georges Automatic firearm having inertia released breech mechanism
US2887808A (en) * 1957-04-24 1959-05-26 Olin Mathieson Firearms carrier mechanism
US3373519A (en) * 1967-04-03 1968-03-19 Remington Arms Co Inc Carrier latch retainer for autoloading firearms
US3919800A (en) * 1974-03-01 1975-11-18 Browning Arms Co Facile loading repeating firearm
US3996685A (en) * 1975-11-14 1976-12-14 Remington Arms Company, Inc. Shell cut-off latch

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009113969A1 (fr) * 2008-03-10 2009-09-17 Bahtiyar Tasyagan Mécanisme de chargement de cartouche pour fusils semi-automatiques à canon lisse, qui permet de charger des cartouches d'une seule main sans abandonner la position de tir
ITBS20100091A1 (it) * 2010-05-03 2011-11-04 C D Europ S R L Fucile a funzionamento inerziale con gruppo di scatto perfezionato
EP2385335A1 (fr) * 2010-05-03 2011-11-09 C.d. Europe S.r.l. Fusil à recul avec module de détente amélioré
WO2013103471A1 (fr) * 2012-01-06 2013-07-11 Ra Brands, L.L.C. Blocage de chargeur
US8733009B2 (en) 2012-01-06 2014-05-27 Ra Brands, L.L.C. Magazine cutoff
US8800422B2 (en) 2012-08-20 2014-08-12 Ra Brands, L.L.C. Bolt assembly for firearms
US9417019B2 (en) 2012-08-24 2016-08-16 Ra Brands, L.L.C. Fire control for auto-loading shotgun

Also Published As

Publication number Publication date
ITMI20020559A0 (it) 2002-03-15
ITMI20020559A1 (it) 2003-09-15

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