EP0281793B1 - Cartridge feeding assembly for smooth-bore guns with semi-automatic or pump operation - Google Patents

Cartridge feeding assembly for smooth-bore guns with semi-automatic or pump operation Download PDF

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Publication number
EP0281793B1
EP0281793B1 EP88102157A EP88102157A EP0281793B1 EP 0281793 B1 EP0281793 B1 EP 0281793B1 EP 88102157 A EP88102157 A EP 88102157A EP 88102157 A EP88102157 A EP 88102157A EP 0281793 B1 EP0281793 B1 EP 0281793B1
Authority
EP
European Patent Office
Prior art keywords
cartridge
lever
descent
tab
firearm
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
EP88102157A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0281793A2 (en
EP0281793A3 (en
Inventor
Paolo Benelli
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.)
Benelli Armi SpA
Original Assignee
Benelli Armi 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 Benelli Armi SpA filed Critical Benelli Armi SpA
Priority to AT88102157T priority Critical patent/ATE76962T1/de
Publication of EP0281793A2 publication Critical patent/EP0281793A2/en
Publication of EP0281793A3 publication Critical patent/EP0281793A3/en
Application granted granted Critical
Publication of EP0281793B1 publication Critical patent/EP0281793B1/en
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
    • 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

  • a gun with smooth-bore barrel whatever its operating system, necessarily has feed (recocking) assemblies such as to cause, at every fired round, the passage of a new cartridge from the magazine, generally tubular in shape, into the cartridge chamber of the barrel.
  • the gun will be termed semiautomatic in operation; if the passage occurs, at each fired round, manually, by means of the movement of the cocking rod, the gun will be termed manually or pump operated.
  • the backward opening stroke of the bolt assembly has always been used, in various manners, to synchronize the movements of the lever (or levers) for stopping the cartridge in the magazine, for the exit of a single cartridge at a time, with those of a lifter cup on which said cartridge is arranged, in exiting from the magazine, to be raised to a position suitable for introduction into the barrel.
  • feed systems suitable for the type of operation (semiautomatic or pump) with which the firearm is provided, generally comprising two levers for stopping the cartridge in the magazine and shaped so as to be moved by the bolt of the firearm, or even partly arranged directly on said bolt.
  • buttons mounted separately, prepare the firearm, in a more or less complicated manner, for the manual passage of the cartridge in the barrel from the magazine or for the momentary locking of the cartridges in the magazine for changing the one in the barrel.
  • Simpler feed systems having a single cartridge stop lever, developed with the onset of the semiautomatic operating system of the firearm, but, mostly, are only operable with this operating system and do not allow the manual passage of the cartridges from the magazine to the cartridge chamber of the barrel of said firearm, unless highly complicated and delicate mechanisms are used.
  • US-A-3,201,886 discloses a magazine interceptor latch in a feeding system for autoloading guns.
  • the invention is directed at preventing inertial movement of the rear most cartridge in a magazine tube in known feeding systems for semiautomatic rifles.
  • FR-A-2562227 discloses a feeding system which operates exclusively in semiautomatic firearms.
  • US-A-4,014,247 discloses a feeding system exclusively for semiautomatic firearms having an integral shell stop and carrier latch lever.
  • the object of this invention is to overcome the limitations and the complexity of systems hitherto known by providing a new feed assembly applicable to guns with different types of operation (semiautomatic, manual pump and combined: semiautomatic/pump) and capable of selecting, in a simple and safe manner, the exit of the cartridges from the magazine independently from the operating system of the firearm and without the need for preventive manual presetting.
  • the invention achieves the above and other objects, such as will appear from the following disclosure, by means of a cartridge feeding assembly for delivering cartridges from a tubular magazine into the barrel of a smooth-bore firearm, as claimed in claim 1.
  • a fragmentarily illustrated rifle comprises a casing 33, a magazine 16, a trigger 17 protected by a guard 5, and a hammer 18.
  • the feed assembly substantially comprises a cartridge descent lever 1, pivoted to the firearm on a pivot 2 and held in resting position, with its resting plane 3 against the abutment plane 4 provided on the guard 5, by a spring 6 pivoted on a pivot 7.
  • the spring 6 rests with its stem 8 on a tab 9 of the cartridge descent lever 1, and it exerts upon the tab a downward force so as to ensure the contact between the above described planes 3 and 4.
  • a hammer 18 When trigger 17 of the firearm is pulled (fig. 3), a hammer 18 is pushed by a spring 19 guided on a sliding bush 20 , and turns about its pivot 2 until it imparts to the firing pin 21 an energy sufficient to cause the explosion of the cartridge in the barrel 22 .
  • the cartridge 15 leaving the magazine tube 16 is forced (fig. 6) by the plane 32 of the casing 33 to slide along the plane 34 of the cartridge stop lever 12 .
  • This movement causes the cartridge stop lever 12 to turn anticlockwise on its pivot 13 , thus recompressing the return spring 27 until it returns to the position of fig. 2, i.e. with its front plane 14 in a position preventing the second cartridge 35 in the magazine from leaving the magazine 16 .
  • the plane 23 of the sliding bush 20 no longer pushes against the tab 24 of the cartridge descent lever 1 .
  • the descent lever 1 rotates on the pivot 2 until it returns to its rest position determined by the resting plane 3 on the abutment plane 4 of the guard 5.
  • the cartridge stop lever 12 prevents the exit of the second cartridge in the magazine, even when the cartridge 15 no longer rests on its flat 11, since the front plane 34 of said cartridge stop lever 12 makes contact with the side 29 of the lifter cup 30 which is moved into a raised position, such as to allow the introduction of said cartridge 15 in the barrel.
  • the said effect of pulling the trigger is valid whether the firearm has semiautomatic operation (regardless of the inertial, gas intake or recoiling barrel type), or it has manual pump-type operation or convertible operation (semiautomatic and/or manual pump).
  • the feed assembly is part of a firearm with manual pump operation or with "convertible" operation, (where the manual operation is also available), it is required that the cartridge passes, without pulling the trigger, from the magazine tube into the barrel, merely by opening the bolt of the firearm by means of its cocking rod.
  • Such short time (fig. 9-10) is sufficient to prevent the flat 10 of the cartridge descent lever 1 from continuing to act as rest for the flat 11 of the cartridge stop lever 12 .
  • the cartridge stop lever 12 no longer resting on the cartridge descent lever 1 , rotates (fig. 10) about its pivot 13 as an effect of the return spring 27 until its flat 28 rests on the side 29 of the lifter cup 30. Because of this rotation, the front plane 14 of the cartridge stop lever 12 no longer prevents the cartridge from exiting from the inside of the magazine tube.
  • the new cartridge feed system thus performs all its functions regardless of the type of operation of the firearm to which it can be applied.
  • the cartridge descent lever 1 is also provided with a tab 44 protruding, externally to the firearm, from the lower plane 45 of the guard 5 .
  • Said cartridge in positioning itself on the lifter cup, presses against the rear part of the cartridge stop lever causing it to rotate anticlockwise and preventing thereby the exit of a second cartridge from the magazine.
  • the lifter cup controlled by the bolt which, in the meantime, as an effect of the firing, has completed the retrograde opening stroke of the firearm extracting and expelling the case in the barrel, rises automatically, while said bolt returns to a closed position, raising the cartridge in a position suitable for the insertion into the chamber.
  • the new cartridge descent lever executes its rotational movement, as described in paragraph "A", by virtue of an adapted tab thereof on which the bolt acts during the retrograde opening motion obtained by means of the cocking rod (pump system).
  • the configuration of the new cartridge descent lever is such as to ensure the operation of the system both if the actuation for its rotation is imparted by the spring of the cock and if said actuation is imparted by the bolt.
  • a cartridge feed assembly is thus provided essentially composed of a new cartridge descent lever which, together with a cartridge stop lever which can be made integral therewith, simply and securely selects the exit of the cartridges from the magazine without the need for preventive adjustments and regardless of the operating system of the firearm, be it semiautomatic, of the manual pump type or combined (semiautomatic and/or manual pump type), all the movements of the new cartridge descent lever being in any case synchronized and compatible with the operating system of the firearm to which it can be coupled.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)
  • Specific Conveyance Elements (AREA)
  • Telescopes (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Catching Or Destruction (AREA)
  • Reciprocating Pumps (AREA)
  • Magnetically Actuated Valves (AREA)
  • Mechanical Operated Clutches (AREA)
  • Cookers (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Fuel-Injection Apparatus (AREA)
EP88102157A 1987-03-12 1988-02-14 Cartridge feeding assembly for smooth-bore guns with semi-automatic or pump operation Expired - Lifetime EP0281793B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88102157T ATE76962T1 (de) 1987-03-12 1988-02-14 Munitionszufuehrvorrichtung fuer halbautomatische oder mittels handschieber betaetigte flinten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8744009A IT1210375B (it) 1987-03-12 1987-03-12 Sistema di alimentazione cartucce da serbatoio tubolare per fucili con canna ad anima liscia e funzionamento semiautomatico manuale a pompa o convertibile dall'uno all'altro tipo
IT4400987 1987-03-12

Publications (3)

Publication Number Publication Date
EP0281793A2 EP0281793A2 (en) 1988-09-14
EP0281793A3 EP0281793A3 (en) 1989-04-05
EP0281793B1 true EP0281793B1 (en) 1992-06-03

Family

ID=11255509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88102157A Expired - Lifetime EP0281793B1 (en) 1987-03-12 1988-02-14 Cartridge feeding assembly for smooth-bore guns with semi-automatic or pump operation

Country Status (10)

Country Link
EP (1) EP0281793B1 (fi)
JP (1) JPS63251796A (fi)
AT (1) ATE76962T1 (fi)
BR (1) BR8801087A (fi)
DE (1) DE3871556T2 (fi)
ES (1) ES2031540T3 (fi)
FI (1) FI92760C (fi)
GR (1) GR3004975T3 (fi)
IT (1) IT1210375B (fi)
PT (1) PT86962B (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20071474A1 (it) * 2007-07-20 2009-01-21 Benelli Armi Spa Gruppo di chiusura e riarmo con otturatore oscillante e testa di chiusura rotante, particolarmente per armi a funzionamento inerziale utilizzanti l'energia cinetica del rinculo
US8491166B2 (en) 2007-09-21 2013-07-23 Cooper Technologies Company Thermal management for light emitting diode fixture
CN102549336B (zh) 2009-07-21 2014-11-26 库柏技术公司 将发光二极管(led)模块连接于散热器组件、反光件以及电路
IT1399722B1 (it) * 2010-05-03 2013-05-03 C D Europ S R L Fucile a funzionamento inerziale con gruppo di scatto perfezionato
RU2456527C1 (ru) * 2010-12-23 2012-07-20 Федеральное государственное унитарное предприятие "Ижевский механический завод" Оружие с магазинной подачей патронов
DE102016111603B4 (de) * 2016-06-24 2018-01-18 L&O Hunting Group GmbH Selbstladegewehr
US11619458B2 (en) 2019-11-12 2023-04-04 Fatih DERE Pressure controlled inertia system for automatic fire weapons

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201886A (en) * 1963-12-27 1965-08-24 Remington Arms Co Inc Magazine interceptor latch
US4014247A (en) * 1974-11-19 1977-03-29 Ithaca Gun Company, Inc. Gas-operated shotgun
IT1180330B (it) * 1984-03-27 1987-09-23 Beretta Armi Spa Dispositivo perfezionato per attuare una tempestiva alimentazione di munizioni in fucili semi-automatici in genere

Also Published As

Publication number Publication date
BR8801087A (pt) 1988-10-18
DE3871556D1 (de) 1992-07-09
JPS63251796A (ja) 1988-10-19
PT86962B (pt) 1995-03-01
ES2031540T3 (es) 1992-12-16
IT8744009A0 (it) 1987-03-12
JPH0573999B2 (fi) 1993-10-15
PT86962A (pt) 1989-03-30
EP0281793A2 (en) 1988-09-14
ATE76962T1 (de) 1992-06-15
FI881121A (fi) 1988-09-13
DE3871556T2 (de) 1993-01-28
FI92760C (fi) 1994-12-27
IT1210375B (it) 1989-09-14
FI881121A0 (fi) 1988-03-10
GR3004975T3 (fi) 1993-04-28
FI92760B (fi) 1994-09-15
EP0281793A3 (en) 1989-04-05

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