EP3295109A1 - Chargeur de cartouches de fusil de chasse - Google Patents

Chargeur de cartouches de fusil de chasse

Info

Publication number
EP3295109A1
EP3295109A1 EP16793324.1A EP16793324A EP3295109A1 EP 3295109 A1 EP3295109 A1 EP 3295109A1 EP 16793324 A EP16793324 A EP 16793324A EP 3295109 A1 EP3295109 A1 EP 3295109A1
Authority
EP
European Patent Office
Prior art keywords
magazine
shotgun
open top
shotgun shell
top end
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.)
Granted
Application number
EP16793324.1A
Other languages
German (de)
English (en)
Other versions
EP3295109A4 (fr
EP3295109B1 (fr
Inventor
Anthony Dichario
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.)
American Tactical Inc
Original Assignee
American Tactical Inc
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 American Tactical Inc filed Critical American Tactical Inc
Priority claimed from PCT/US2016/031486 external-priority patent/WO2016183015A1/fr
Publication of EP3295109A1 publication Critical patent/EP3295109A1/fr
Publication of EP3295109A4 publication Critical patent/EP3295109A4/fr
Application granted granted Critical
Publication of EP3295109B1 publication Critical patent/EP3295109B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F41A9/62—Magazines having means for indicating the number of cartridges left in the magazine, e.g. last-round indicators
    • 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
    • F41A9/65—Box magazines having a cartridge follower
    • F41A9/70—Arrangements thereon for discharging, e.g. cartridge followers or discharge throats
    • 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
    • F41A9/65—Box magazines having a cartridge follower
    • F41A9/71—Arrangements thereon for varying capacity; Adapters or inserts for changing cartridge size or type

Definitions

  • the present invention relates to a shotgun shell magazine, and more particularly, to a shotgun shell magazine configured to be used with an automatic or semi-automatic assault- type firearm. Specifically, the present invention relates to a shotgun shell magazine configured for use with an M-16/AR-15 firearm.
  • AR-15 is the semi-automatic variant of the fully automatic M16 firearm used by United States military personnel.
  • AR-15 is a registered trademark of Colt Industries.
  • a number of additional manufacturers manufacture clones of the AR-15 and market these clones under separate trademarks. While used throughout the specification, it is to be understood that the term AR-15 is meant to include not only those firearms manufactured by Colt Industries, but also those additional clones and any variants thereof).
  • the AR-15 and M16 are designed as modular firearms generally comprising a buttstock, lower receiver, upper receiver and barrel assembly. Each component is separable from one another and affords firearm owners the opportunity to customize the firearm with after-market components such as barrels of differing lengths, upper receivers designed to handle different calibers of ammunition, flashlights, hand guards, grenade or flare launchers, flash or sound suppressors, grips, and front or rear sights.
  • the lower receiver is configured to include a trigger wherein activation of the trigger causes a cartridge housed within the chamber of the upper receiver to be fired out the barrel of the firearm by action of a reciprocating bolt carrier group.
  • the buttstock mounts to the lower receiver and includes a buffer assembly and action (or recoil) spring in communication with the bolt carrier group where the spring pushes the bolt carrier group back toward the chamber in preparation of firing another cartridge.
  • an embodiment the present invention is directed to a shotgun shell magazine for use in a firearm.
  • the magazine is detachably received within a magazine well on the firearm with the firearm configured to strip a shotgun shell from the magazine and load the shotgun shell into a firearm chamber.
  • the magazine comprises a magazine body having an open top end and defines a cavity configured to receive one or more shotgun shells.
  • the magazine body includes a feed lip configured to partially occlude the open top end and a rim edge including a vertical edge strip which defines a gap in communication with the cavity.
  • a follower resides within the cavity and is biased to direct the one or more shotgun shells toward the open top end until a top most shotgun shell engages the feed lip.
  • the feed lip has a length between about
  • each shotgun shell may have a primer end and an opposing closed end.
  • the follower may also include a ramped upper surface whereby the follower is biased to direct the one or more shotgun shells toward the open top end until the primer end a top most shotgun shell engages the feed lip such that the top most shotgun shell is angled with respect to the open top end and at least a portion of the closed end of the top most shotgun shell lies above a plane created by the open top end of the magazine body.
  • the magazine body may include a plurality of indicator holes and the follower may include an extended leg wherein the extended leg coincides with an individual indicator hole in the magazine body so as to indicate a number of shotgun shells remaining in the cavity.
  • the extended leg may also include a colored indicator portion configured to be viewed by a user.
  • a shotgun shell magazine for use in a firearm may comprises a magazine body having an open top end and defining a cavity configured to receive one or more shotgun shells.
  • Each shotgun shell may have a primer end and an opposing closed end.
  • the magazine body may also include a feed lip configured to partially occlude the open top end.
  • a follower having a ramped upper surface resides within the cavity and the follower is biased to direct the one or more shotgun shells toward the open top end until the primer end a top most shotgun shell engages the feed lip. In this manner, the top most shotgun shell is angled with respect to the open top end and at least a portion of the closed end of the top most shotgun shell lies above a plane created by the open top end of the magazine body.
  • a still further embodiment of the present invention is directed to a shotgun shell magazine for use in an M16/AR-15 military specification (mil-spec) firearm.
  • the magazine is detachably received within a mil-spec magazine well on the M16/AR-15 and the M16/AR-15 is configured to strip a shotgun shell from the magazine and load the shotgun shell into a M16/AR- 15 chamber.
  • the magazine comprises a magazine body having an open top end and defining a cavity configured to receive one or more shotgun shells.
  • Each shotgun shell has a primer end and an opposing closed end and the magazine body includes a feed lip configured to partially occlude the open top end.
  • the feed lip may have a length between about 10% and about 25% of the total length of the open top end.
  • a follower having a ramped upper surface resides within the cavity and the follower is biased to direct the one or more shotgun shells toward the open top end until the primer end a top most shotgun shell engages the feed lip.
  • the top most shotgun shell is angled with respect to the open top end and at least a portion of the closed end of the top most shotgun shell lies above a plane created by the open top end of the magazine body.
  • the rim edge may further define a recess wherein the recess is configured to receive a rimmed end of a nominal 2.5 inch long .410 bore shotgun shell.
  • FIG. 1 is a side view of a representative firearm amenable for use with an embodiment of a shotgun shell magazine in accordance with the present invention
  • FIG. 2 is a cross sectional view of the firearm shown in FIG. 1;
  • FIG. 3 is a perspective view of an embodiment of a five shell capacity shotgun shell magazine in accordance with the present invention.
  • FIG. 4 is a perspective view of an embodiment of a fifteen shell capacity shotgun shell magazine in accordance with the present invention.
  • FIG. 5 is a side view of the shotgun shell magazine shown in FIG. 4;
  • FIG. 6 is a cross section view of the shotgun shell magazine shown in FIG. 5 with fifteen shotgun shells loaded into the magazine;
  • FIG. 7 is a cross section view of the shotgun shell magazine shown in FIG. 6 showing the magazine empty of shotgun shells;
  • FIG. 8 is a side with of a follower amenable for use within an embodiment of a shotgun shell magazine in accordance with the present invention.
  • FIG. 9 is a perspective view of the follower shown in FIG. 8;
  • FIG. 10 is a perspective view of an embodiment of a five shell capacity shotgun shell magazine in accordance with a further aspect of the present invention.
  • FIG. 11 is an expanded cross section view of the five shell capacity shotgun shell magazine shown in FIG. 10 taken generally along line 11-11.
  • Firearm 100 may be a modular firearm consisting of a number of components and subcomponents.
  • Major components of firearm 100 may include lower receiver assembly 110, upper receiver assembly 112, buttstock assembly 114 and barrel assembly 116.
  • upper receiver assembly 112 is coupled to lower receiver assembly 110 while buttstock assembly 114 is connected to the lower receiver assembly 110 and barrel assembly 116 is mounted onto upper receiver assembly 112.
  • Lower receiver assembly 110 is configured to include a magazine well 118 adapted to slidably receive a magazine 120 therein.
  • Magazine 120 may carry one more cartridges, bullets or shells 122 which may be serially loaded within a chamber 124 in upper receiver assembly 112. Activation of the firing mechanism (not shown) is controlled by trigger 126.
  • a grip 128 (such as a pistol grip, as shown) allows the user to aim and control the firearm while placing the user's trigger index finger in close proximity to the trigger. In this manner, the user can aim the firearm to the target and extend the trigger index finger to engage the trigger without losing control or accuracy of the firearm.
  • Most assault-type firearms are configured to be operated as rifles and include a rifled barrel and are chambered to receiver and fire rifle cartridges.
  • the most ubiquitous civilian assault weapon the AR-15
  • the AR-15 is generally chambered for standardized rounds such as the Remington .223 cartridge or the 5.56x45mm NATO military cartridge.
  • magazines, and more importantly the magazine well configured to receive these magazines, of the AR-15 have been standardized, with such standardization being generally referred to as meeting United States Military Standards or, more commonly as being "mil-spec”.
  • Assault weapons, such as the AR-15 have also been modified to chamber and fire .410 bore shotgun shells.
  • these firearms suffer from a number of drawbacks.
  • shotgun shell magazine 120/120' of the present invention is configured to reside within the magazine well 118 of a mil-spec AR-15 firearm 100.
  • Shotgun shell magazine 120 includes a magazine body 130 that may be proportioned so as to define a 5 round magazine (i.e. can receive a maximum of five .410 bore shotgun shells 122). See FIG. 3.
  • alternative capacity magazines such as a 15 round magazine 120' (see FIG. 4), may be constructed in accordance with the teachings of the present invention as will be discussed more fully below. It should be understood by those skilled in the art that magazines may be produced which include any desired capacity and that such alternative magazines are to be considered within the teachings of the present invention.
  • magazine 120' is generally comprised of a magazine body 130' defining a magazine cavity 132. Cavity 132 is proportioned to receive one or more shotgun shells 122.
  • shotgun shells 122 are 2.5 inch long .410 bore shotgun shells filled with either shot or slugs.
  • the portion 134 of magazine body 130' may be slightly narrower than the remainder 136 of magazine body 130' so as to form a step 138.
  • Portion 134 is proportioned to be removably insertable within magazine well 118 (see FIG. 1) while step 138 abuts the lower periphery of magazine well 118 so that magazine 120' is properly loaded within magazine well 118.
  • portion 134 may include one more grooves 140 that mate with corresponding ridges (not shown) defined on the internal faces of magazine well 118 to ensure that magazine 120' is mounted within firearm 100 in the proper orientation.
  • top edge 142 of magazine body 130' generally defines an opening to cavity
  • a feed lip portion 144 of top edge 142 is configured to extend around and partially encircle the metal casing 146 at the rim end 148 of the top most shotgun shell 122.
  • a length 145 of feed lip portion 144 is proportioned to be less than about 25% of the total length 135 of portion 134 of magazine body 130', in more particularly about 20% of the total length 135.
  • shotgun shells 122 may be serially extracted from magazine by the bolt carrier (not shown) within the upper receiver assembly 112 without jamming or binding the shotgun shell 122 within magazine body 130' or chamber 124 as is known with current attempts at providing AR-15 magazines for .410 bore shotgun shells.
  • magazine body 130' may define a recess 150 configured and positioned such that the bolt carrier can engage metal casing 146 to slide the shotgun shell 122 beyond the feed lip portions 144. Once shotgun shell 122 clears the obstruction created by feed lip portions 144, the shotgun shell 122 can then be directed into chamber 124 for eventual firing.
  • top edge 142 may further include upwardly extending guide lips 156.
  • biasing member 162 may be a magazine spring as is known in the art.
  • the opposing end of biasing member 162 may be fastened to a floor plate 164 which in turn is secured to the bottom edge 166 of magazine body 130' .
  • Floor plate 164 may be directly fastened to bottom edge 166 or may be constrained within cavity 132 by a magazine base plate 168 which is fastened or physically bonded to bottom edge 166.
  • Biasing member 162 exerts a spring force against follower 160 such that the top most shotgun shell 122 is constrained within magazine body 130' by feed lip portions 144 as discussed above. Once a shotgun shell has been fired and the next subsequent shotgun shell extracted by the bolt carrier, follower 160 through urging of biasing member 162 advances the immediately next shotgun shell 122 until this next shell engages the feed lip portions. Shotgun shells 122 continue to load within chamber 124 upon repeated firing of the firearm 100 until such time the last shotgun shell is loaded into the chamber.
  • a magazine stop 170 resident within a stop cavity 172 defined within follower 160 may be biased outwardly via a stop biasing member 174 housed within combined bore 176a, 176b in follower 160 and stop 170, respectively (see FIG. 7).
  • the outwardly extending magazine stop 170 may then engage the bolt catch (not shown) in the lower receiver to stop the bolt's travel thereby enabling the bolt to be locked to the rear (toward buttstock 114).
  • the empty magazine can then be removed from magazine well 118 and a new, loaded magazine may then be inserted.
  • the bolt catch may then be disengaged such that the bolt carrier may strip the top most shotgun shell from the newly loaded magazine.
  • biasing member 174 is compressed by magazine stop 170 engaging the internal surface of magazine body 130' such that magazine stop rides along the internal surface until such time as the bottom most shotgun shell 122 is loaded within chamber 124 and magazine stop extends outwardly from recess 150 as described above.
  • follower 160 is configured include a ramped upper surface 180 extending at an angle 182 with respect to the plane 183 defined by top face 171 of magazine stop 170.
  • ramped upper surface 180 may be adapted to include a concave recess 184.
  • Concave recess 184 may be configured to have a radius equal to or slightly larger than the external circumference of a standard .410 bore shotgun shell 122.
  • shotgun shell 122 should nest within recess 184 such that rolling of shotgun shell 122 on ramped upper surface 180 is reduced, particularly once shotgun shell 122 has disengaged from feed lip portions 144 upon being loaded into chamber 124 as described above.
  • Ramped upper surface 180 of follower 170, coupled with feed lip portions 144, causes at least a portion of the closed (i.e. crimped or rolled) end 154 of top most shotgun shell 122 to extend externally from magazine body 130' at an angle 190 with respect to a plane 191 created by feed lip portions 144 while the metal casing 146 engages feed lip portions 144 (see FIG. 5).
  • upwardly extending guide lips 156 of magazine housing 130' aid in preventing lateral movement of the top most shotgun shell 122. Angling of the top most shotgun shell 122 in such a manner facilitates proper stripping and chambering of the shotgun shell by the bolt carrier during reloading of firearm 100.
  • follower 160 may include one or more downwardly extending legs 192a, 192b. These downwardly extending legs may facilitate placement and compressive loading of magazine biasing member 162. Magazine body 130' may include a plurality of indicator holes 194 (see FIGS. 4 and 7) which are spaced apart from one another such that as follower 160 is biased upwards through subsequent loading of successive shotgun shells as described above, an indicator portion 196 on follower 160 is viewable through the respective indicator hole which corresponds to the number of shotgun shells 122 remaining within magazine 120'. In this manner, the firearm user may monitor the number of shells remaining by visually determining where the indicator portion 196 is located along magazine body 130'.
  • identifier portion 196 on one or both of legs 192a, 192b may be colored so as to be more readily viewable by the firearm user through indicator holes 194.
  • magazine body 130 may be configured to include additional features adapted to permit loading and extraction of 2.5 inch long .410 bore rimmed shotgun shells (such as shotgun shell 122 shown in FIGS. 3 and 4).
  • magazine body 130 (and, if desired, magazine body 130') may include a rim edge 200 having a vertical edge strip 202 affixed at one end to feed lip portions 144 and at step 138 at the other.
  • Vertical edge strip 202 defines respective edge gaps 204, 206 with front panel 208 and rear panel 210 respectively. Gaps 204, 206 may run the entire length of vertical edge strip 202 (i.e.
  • vertical edge strip 202 is able to flex outwardly from the magazine body 130, 130' as generally indicated by arrow 212.
  • magazine body 130, 130' may flex so as to accommodate 2.5 inch long shells that are slightly longer than the nominal 2.5 inches without causing an offending shell to become lodged within magazine thereby rendering the magazine inoperable.
  • Rim edge 200 in conjunction with feed lip walls 214 may define a recess 216.
  • Recess 216 may be configured to provide additional clearance when receiving rim end 148 of shotgun shell 122. As a result, magazine body 130, 130' may be fabricated to be received within a mil spec AR15/M16 magazine well while being loaded with one or more 2.5 inch long .410 bore shotgun shells. Recess 216 may further assist in angling a topmost shotgun shell 122 as discussed above and as shown in FIGS. 2-6.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Developing Agents For Electrophotography (AREA)

Abstract

Chargeur de cartouches de fusil de chasse destiné à être reçu dans un chargeur mil-spec d'une arme à feu M16/AR-15 mil-spec. Le chargeur comporte une extrémité supérieure ouverte délimitant une cavité conçue pour recevoir une ou plusieurs cartouches de fusil de chasse. Le corps de chargeur comprend une lèvre d'alimentation qui obstrue partiellement l'extrémité supérieure ouverte et un bord de rebord comprenant une bande de bord verticale qui délimite un espace en communication avec la cavité. Un suiveur ayant une surface supérieure inclinée se trouve dans la cavité. Le suiveur est sollicité pour diriger les cartouches de fusil de chasse vers l'extrémité supérieure ouverte jusqu'à ce que l'extrémité d'amorce d'une cartouche de fusil de chasse la plus en haut entre en prise avec la lèvre d'alimentation. La cartouche de fusil de chasse la plus en haut est inclinée par rapport à l'extrémité supérieure ouverte et au moins une partie de l'extrémité fermée de la cartouche de fusil de chasse la plus en haut se trouve au-dessus d'un plan créé par l'extrémité supérieure ouverte.
EP16793324.1A 2015-05-08 2016-05-09 Chargeur de cartouches de fusil de chasse Active EP3295109B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/707,683 US20160327353A1 (en) 2015-05-08 2015-05-08 Shotgun Shell Magazine
PCT/US2016/031486 WO2016183015A1 (fr) 2015-05-08 2016-05-09 Chargeur de cartouches de fusil de chasse

Publications (3)

Publication Number Publication Date
EP3295109A1 true EP3295109A1 (fr) 2018-03-21
EP3295109A4 EP3295109A4 (fr) 2018-12-05
EP3295109B1 EP3295109B1 (fr) 2020-03-04

Family

ID=57221877

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16793324.1A Active EP3295109B1 (fr) 2015-05-08 2016-05-09 Chargeur de cartouches de fusil de chasse

Country Status (4)

Country Link
US (1) US20160327353A1 (fr)
EP (1) EP3295109B1 (fr)
CN (1) CN107820561B (fr)
HK (1) HK1252805B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180142981A1 (en) * 2015-05-06 2018-05-24 Genesis Arms Llc Ar based autoloading shotgun with a detachable magazine
USD788874S1 (en) * 2016-02-05 2017-06-06 Daniel Defense, Inc. Follower for an ammunition magazine
USD790649S1 (en) * 2016-02-10 2017-06-27 Daniel Defense, Inc. Casing for a firearm ammunition magazine
FI128189B (en) * 2017-07-07 2019-12-13 Oy Asenetti Finland Ab A magazine for a gun
WO2020106367A1 (fr) * 2018-10-01 2020-05-28 James Wilkinson Fusil d'assaut semi-automatique https://www.armurerie-steflo-lyon.com/fusils-et-carabines-dassaut/11268-fusil-d-assaut-luxdeftec-ar-10-ldt-308-win-18-pouces.html
CN113701551A (zh) * 2021-09-03 2021-11-26 重庆建设工业(集团)有限责任公司 一种单排弹匣托弹板结构
DE102021004782B4 (de) * 2021-09-22 2023-12-28 Schmeisser Gmbh Gehäuseabschnitt für ein Patronenmagazin für eine Handfeuerwaffe, Patronenmagazin mit Gehäuseabschnitt, Umrüstsatz, Verfahren zum Umbau eines Patronenmagazins, sowie Verfahren zum Betreiben einer Handfeuerwaffe

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
US7854083B1 (en) * 2007-06-28 2010-12-21 Sako Oy Cartridge magazine for firearms
WO2009137132A1 (fr) * 2008-02-14 2009-11-12 Kramer Lawrence S Cartouches et modifications pour un fusil m16/ar15
US8739446B2 (en) * 2010-03-25 2014-06-03 ArmWest, LLC High capacity magazine with multiple springs
US9109850B2 (en) * 2011-08-26 2015-08-18 Intrepid Tactical Solutions, LLC Shotshell type ammunition, firearms for firing such shotshell type ammunition, and methods of manufacturing such shotshell type ammunition
AU2013209680B2 (en) * 2012-01-17 2016-11-17 Magpul Industries Corp. Ammunition magazine
US8898946B1 (en) * 2012-04-30 2014-12-02 David Arthur Johnson Magazine adapter
US9080822B2 (en) * 2012-09-07 2015-07-14 Ronald Michael Lamb Reloading system
US9279631B2 (en) * 2012-11-30 2016-03-08 Craig M. Barnhart High capacity magazine efficient loader device and related method
US8966801B1 (en) * 2014-04-23 2015-03-03 Adaptive Tactical Llc Modular shotgun box magazine

Also Published As

Publication number Publication date
US20160327353A1 (en) 2016-11-10
CN107820561A (zh) 2018-03-20
EP3295109A4 (fr) 2018-12-05
CN107820561B (zh) 2019-07-12
EP3295109B1 (fr) 2020-03-04
HK1252805A1 (zh) 2019-06-06
HK1252805B (zh) 2020-06-12

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