US2217848A - Cartridge case for firearms - Google Patents

Cartridge case for firearms Download PDF

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Publication number
US2217848A
US2217848A US265424A US26542439A US2217848A US 2217848 A US2217848 A US 2217848A US 265424 A US265424 A US 265424A US 26542439 A US26542439 A US 26542439A US 2217848 A US2217848 A US 2217848A
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Prior art keywords
block
cartridges
case
feeder
wall
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Expired - Lifetime
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US265424A
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Schillstrom Adolf Victor
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A9/00Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/61Magazines
    • F41A9/64Magazines for unbelted ammunition
    • F41A9/65Box magazines having a cartridge follower
    • F41A9/69Box magazines having a cartridge follower characterised by multiple-row or zigzag arrangement of cartridges

Definitions

  • 'lhis invention relates to cartridge cases for ⁇ V y towards the mouth or discharge opening of the firearms and ymore particularly to acartridge case which is provided with spring pressed d feeder blocks one on each sideof a dividing Wall, which 5 'blocks feed the rcartridges in double rows towards a constricted mouth'vof the case through which they are delivered one at a time.
  • acartridge case which is provided with spring pressed d feeder blocks one on each sideof a dividing Wall, which 5 'blocks feed the rcartridges in double rows towards a constricted mouth'vof the case through which they are delivered one at a time.
  • each cartridge feeder block is of a form to support two cartridges upon different levels and to move upwardly in the magazine in which it has'v movement;
  • the walls of the case and the dividing wall, forming two parallel magazines, guide 'the feeder blocksdn this movement of the blocks 'I'he side walls ofthe case 1 converge towards each other from a. point below the top of the dividing wall and are spaced apart to form an open mouth for the delivery of the cartridge -to the firearm.
  • Each converging por- .tion has a pocket formed therein for the reception of a part of the feeder block, said pockets .being closed at the top to limit feeding movement of the block and being of different lengths to permit greater movement of one of the blocks as compared with the other. This permits the successiveV delivery of the last few cartridges from bothmagazines in a single line of cartridges.
  • the upper part of the case is so formed that the four rows of cartridges in the two magazines suc-- cessively merge into one row atthe mouth.
  • Figs. 1 and 2 show vertical sections of a cartridge case made in ac- 45 cordance with the invention and Fig. 3 is a sec- -qssprlng I 0 acts to move the block and the two staggered rows Aof cartridges supported thereby case.
  • Each feeder block is provided with a forked y top having a long arm il or I 2 positioned adjacent the dividing wall 2, and a short arm 5 or 6 adz 5- jacent a side wall of the case.
  • the end walls of the case, as shown in Fig. 3, are ⁇ parallelthrough out, but the side walls converge adjacent the upf per part'of the case, and areV spaced apart'to forms.,
  • the dividing wall i0 i 2 terminates belowfthe'top of the case and the mouth or discharge'opening, but extends yabover the point ofv initial convergence of the side Walls. Below the converging side walls of the case, two i rows of cartridges are supported bythefeeder vlil block in each magazine, the cartridges in one row being staggered in relation to those in the other row. Between this point and the top of the Wall] 2, only one row of cartridges is'in each magazine,
  • Each converging side wall has a pocket 8v or 9 formed outwardly thereof, of la capacity to receive one fork 5 or 6 of the feeder block, but Inot wide enough to permit a cartridge to enter same, thus compelling each cartridge to follow the wall (see Fig. 1).
  • One of these pockets, as 9, is shorter l than and terminates below the otherpocket, as 8f'
  • the pocket 8 extends to closely adjacent mouth or discharge opening of the case.
  • one of the feeder blocks has its upward movement arrested when the last cartridgein-the magazine has passed the top of the wall 2, while the feeder blockin the. other magazine is permitted toV pass above the said wall untilall of the cartridges in both magazines have been drawn to a position where the t last one may be fed into the barrel of the firearm. or with the long arm of the forked end projecting through the mouth or discharge opening.
  • the long arm of one of the feeder blocks as 3, ris bevelled, so that with tilting movement ofk this block as a result of the engagement of the short arm 5 with the closed end of the pocketV 1, the'long arm will form a continuation of the wa1l2 and offer no obstruction to movement of cartridges by the other feeder block 4.
  • Both pockets yI and 8 have closed tops, and the upper portions thereof are so inclined as to be substantially parallel with the converging side wallsl of the case. 50
  • the two parallel magazines formed by the side walls of the case and the partition or ,dividingY wall 2 are each filled with cartridges, those in one 55 Both springs I are under compression.
  • one of the feeder blocks will first be raised by its spring and thus advance both rows of cartridges resting thereon toward the mouth or outlet. With the movement of the next cartridge, the otherfeeder block will be similarly actuated. As the outer cartridge in either magazine engages the converging side wall above.
  • the cartridge of the adjacent row will be forced upwardlyl in advance of that cartridge, as shown in Fig. 1, so as to' form a single row of cartridges within the constricted'portion adjacent the mouth or dischargeopening above each magazine.
  • the same action will occur above the wall 2 so as to form a single row of cartridges substantially centrally of the case below the mouth or dischargeopening.
  • the feeder blocks reachthe converging ,-upward movement of both blocks.

Description

4 .l5 and the cartridges.
Patented oci. 15, 1940r OFFICE i Adolf victor ,sehiustrnt Eskiistuns, sweden.
Application April 1,Y 1939, Serial No. 265,424
In Sweden April 28, 193i! 3 Claims.
'lhis invention relates to cartridge cases for`V y towards the mouth or discharge opening of the firearms and ymore particularly to acartridge case which is provided with spring pressed d feeder blocks one on each sideof a dividing Wall, which 5 'blocks feed the rcartridges in double rows towards a constricted mouth'vof the case through which they are delivered one at a time. In a cartridge case embodying the invention,
each cartridge feeder block is of a form to support two cartridges upon different levels and to move upwardly in the magazine in which it has'v movement; The walls of the case and the dividing wall, forming two parallel magazines, guide 'the feeder blocksdn this movement of the blocks 'I'he side walls ofthe case 1 converge towards each other from a. point below the top of the dividing wall and are spaced apart to form an open mouth for the delivery of the cartridge -to the firearm. Each converging por- .tion has a pocket formed therein for the reception of a part of the feeder block, said pockets .being closed at the top to limit feeding movement of the block and being of different lengths to permit greater movement of one of the blocks as compared with the other. This permits the successiveV delivery of the last few cartridges from bothmagazines in a single line of cartridges.
'The cartridge feeder'whi'ch isfirst stopped in its feeding movement, is provided -With a forked top,
onearm of which is shorter than the other, so that Alwhen this cartridge feeder block is in its uppermost position the longer arm forms a continuation of the dividing wallv forming the two magazines. The cartridge nearest the mouth of 35.` the cartridge case is kept in place by means of inwardly bent lips at'one side of the discharge opening or mouth of the case, and is fed in the usual manner into the charge chamber of the firearm.
The upper part of the case is so formed that the four rows of cartridges in the two magazines suc-- cessively merge into one row atthe mouth.
Referring'to the drawing, Figs. 1 and 2 show vertical sections of a cartridge case made in ac- 45 cordance with the invention and Fig. 3 is a sec- -qssprlng I 0 acts to move the block and the two staggered rows Aof cartridges supported thereby case. Each feeder block is provided with a forked y top having a long arm il or I 2 positioned adjacent the dividing wall 2, and a short arm 5 or 6 adz 5- jacent a side wall of the case. The end walls of the case, as shown in Fig. 3, are `parallelthrough out, but the side walls converge adjacent the upf per part'of the case, and areV spaced apart'to forms.,
a mouth or discharge opening.v The dividing wall i0 i 2 terminates belowfthe'top of the case and the mouth or discharge'opening, but extends yabover the point ofv initial convergence of the side Walls. Below the converging side walls of the case, two i rows of cartridges are supported bythefeeder vlil block in each magazine, the cartridges in one row being staggered in relation to those in the other row. Between this point and the top of the Wall] 2, only one row of cartridges is'in each magazine,
while above the top of lsaid wall there is but Va single row of cartridges. v Y f Each converging side wall has a pocket 8v or 9 formed outwardly thereof, of la capacity to receive one fork 5 or 6 of the feeder block, but Inot wide enough to permit a cartridge to enter same, thus compelling each cartridge to follow the wall (see Fig. 1). One of these pockets, as 9, is shorter l than and terminates below the otherpocket, as 8f' The pocket 8 extends to closely adjacent mouth or discharge opening of the case.
By the foregoing construction, one of the feeder blocks has its upward movement arrested when the last cartridgein-the magazine has passed the top of the wall 2, while the feeder blockin the. other magazine is permitted toV pass above the said wall untilall of the cartridges in both magazines have been drawn to a position where the t last one may be fed into the barrel of the firearm. or with the long arm of the forked end projecting through the mouth or discharge opening. The long arm of one of the feeder blocks, as 3, ris bevelled, so that with tilting movement ofk this block as a result of the engagement of the short arm 5 with the closed end of the pocketV 1, the'long arm will form a continuation of the wa1l2 and offer no obstruction to movement of cartridges by the other feeder block 4. Both pockets yI and 8 have closed tops, and the upper portions thereof are so inclined as to be substantially parallel with the converging side wallsl of the case. 50
In operation, the action of the device is substanially as follows:
The two parallel magazines formed by the side walls of the case and the partition or ,dividingY wall 2 are each filled with cartridges, those in one 55 Both springs I are under compression. As a cartridge is removed by the mechanism in the breech of the gun barrel, one of the feeder blocks will first be raised by its spring and thus advance both rows of cartridges resting thereon toward the mouth or outlet. With the movement of the next cartridge, the otherfeeder block will be similarly actuated. As the outer cartridge in either magazine engages the converging side wall above.
that magazine, the cartridge of the adjacent row will be forced upwardlyl in advance of that cartridge, as shown in Fig. 1, so as to' form a single row of cartridges within the constricted'portion adjacent the mouth or dischargeopening above each magazine. As the `space between the converging walls narrows, the same action will occur above the wall 2 so as to form a single row of cartridges substantially centrally of the case below the mouth or dischargeopening.
With the progressive removal of cartridges from the case, the feeder blocks reachthe converging ,-upward movement of both blocks.
.side w'allsfthe short arm 5 of the Yblock 3 entering the pocket 1 and the short arm 6 of the block 4 entering the poclget 8, thus permitting continued arm 5 of the block 3 approaches the closed top of the pocket 1, this block will be tilted, as shown in Fig, 2,`bringing the inner end of the long arm As the short thereof so that the portion 9 will come intoalinement with the medial line of the wall 2. The top of this wall is reduced to a knife edge, as shown, to permit this movement.
When the arm 5 engages the top of the pocket 1, the last cartridge in that magazine will have passed the top of the wall 2, and since at/s stantially the same time the long arm/,of the feeder block 4 will have reached th op of the wall, there will be but a single ro of cartridges' still in staggered relation to e other (see Fig. 2). The length of the pocket 8 permits the cartridges of this single row to be fed through the mouth by continued movement of the feeder block.
4 by reason of the elongation of thepocket 8'.
Having described the invention, what I claim as new and desire to have protected byLetters Patent, is:
1. A cartridge case for firearms embodying therein a case proper having converging side Walls adapted to receive two rows of cartridges, a. feeder ,f 's'a.id\wai1,v
toward the top thereof and' a discharge opening whereby upwar block in each magazine, a spring acting on each feeder block, means upon'each block whereby the two rows of cartridges will be maintained in staggered relation to eac-h other, co-operating means carried by one of said converging side walls and by the block in the adjacent magazine for limiting movement of the block when it is adjacent the top of said dividing wall, and co-operating means carried by the other converging side wall and by the block in the adjacent magazine for permitting said block to pass the dividing wall and said rst named block.
2. A cartridge case for firearms embodying therein a case proper having converging side walls toward the top thereof and a discharge opennig at the top of said walls, a wall below said converging side walls forming two magazines, each adapted to receive two vrows of cartridges, a feeder block having a forked top, one of the arms of which is longer than the other, in each magazine, a spring acting orr-=`each feeder block, means upon each block whereb`y-'the two rows of cartridges A therein a fa/'synopcr 'toward the op thereof and a discharge opening at the'tp of said` walls, a wall bleiow said converging side walls forming two magazines, each f' adapted to receive two rows of cartridges, a feeder block having a forked top, one of the arms of which is longer than the other, iny each magazine, a spring acting on each feeder block, means upon each blockwhereby the two rows of cartridges .will be maintained in' staggeredvrelation to each other, andan outwardly formed pocket in eachconverging side wall, one of said pockets terminating adjacent the top of said wall and the other terminating adjacent the dischargev opening of the icase,f,said pockets respectively being adapted toreceve the shorter arm of each feeder block, ovement of one of said/blocks is limited wh the long arm thereof is adjacent d the other block is permited to have `past said first named block, the long said rst named block being'bevelled to it said other block to pass.
,ADOLF VICTOR SCHILLSTRM.
v'for firearms embodying-
US265424A 1938-04-28 1939-04-01 Cartridge case for firearms Expired - Lifetime US2217848A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
SE2217848X 1938-04-28
FR851719T 1939-03-16
DEO24087D DE704150C (en) 1938-04-28 1939-03-16 Cartridge magazine for firearms
NL92452A NL51468C (en) 1938-04-28 1939-03-16
BE433380T 1939-03-21
GB9098/39A GB577889A (en) 1938-04-28 1939-03-22 Improvements in or relating to magazines for firearms

Publications (1)

Publication Number Publication Date
US2217848A true US2217848A (en) 1940-10-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
US265424A Expired - Lifetime US2217848A (en) 1938-04-28 1939-04-01 Cartridge case for firearms

Country Status (6)

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US (1) US2217848A (en)
BE (1) BE433380A (en)
DE (1) DE704150C (en)
FR (1) FR851719A (en)
GB (1) GB577889A (en)
NL (1) NL51468C (en)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503116A (en) * 1944-06-22 1950-04-04 Brevets Aero Mecaniques Ammunition charging device for automatic arms
US2944357A (en) * 1958-05-15 1960-07-12 Western Follower Corp Cartridge magazine follower for automatic pistols
US3226869A (en) * 1964-11-23 1966-01-04 Daniel D Musgrave Multiple row cartridge magazine
US3345771A (en) * 1966-01-07 1967-10-10 Stanley D Silsby High capacity magazine and cooperating firearm structure
US3952441A (en) * 1973-04-13 1976-04-27 Tant William A Clip for semi-automatic firearm
WO1983001503A1 (en) * 1981-10-13 1983-04-28 Johnson, James, H. Cartridge magazine
US4589218A (en) * 1984-06-26 1986-05-20 Sites S.P.A. Multi-stack cartridge magazine for firearms
US4672760A (en) * 1985-12-04 1987-06-16 Ram-Line, Inc. Side-by-side cartridge magazine for rim-fire cartridges
US4790094A (en) * 1985-12-04 1988-12-13 Pam-Line, Inc. Side-by-side cartridge magazine for rim-fire cartridges
US4862620A (en) * 1985-12-04 1989-09-05 Ram-Line, Inc. Side-by-side cartridge magazine for cartridges
US5099595A (en) * 1990-06-05 1992-03-31 Ram-Line, Inc. Magazine for a firearm
US20100269389A1 (en) * 2010-02-01 2010-10-28 Julio Enrique Lopez Laparra Twin chambers magazine (TCM)
US20110173857A1 (en) * 2010-01-15 2011-07-21 Hogan Jr R Russell Increased capacity ammunition clip
WO2011159383A2 (en) 2010-03-25 2011-12-22 ArmWest, LLC High capacity magazine with multiple springs
WO2012003020A2 (en) 2010-03-25 2012-01-05 ArmWest, LLC High capacity magazine
US8485083B1 (en) * 2011-08-03 2013-07-16 Mahlon Duane Care Single-feed magazine adapter for firearms
US8973483B2 (en) 2010-03-25 2015-03-10 Arm West, Llc Gas regulator system
US9038525B2 (en) 2011-01-14 2015-05-26 ArmWest, LLC Firearm
US9228786B2 (en) 2011-01-14 2016-01-05 ArmWest, LLC Quick barrel change firearm
US9488423B2 (en) 2011-01-14 2016-11-08 Arm West, Llc Firearm systems and methods
WO2018106205A1 (en) * 2016-12-07 2018-06-14 Олэксандр Костянтыновыч ШАРКОВ Magazine for small arms
WO2018151912A1 (en) * 2017-02-14 2018-08-23 Taurus Holdings, Inc. Magazine of a pistol for cartridges with a case rim, and pistol having such a magazine
US10488136B2 (en) 2016-09-23 2019-11-26 ArmWest, LLC Selective fire firearm systems and methods
US20200011624A1 (en) * 2018-01-30 2020-01-09 Schmeisser Gmbh Housing for a cartidge magazine for a firearm and cartridge magazine for a firearm
RU223034U1 (en) * 2023-06-16 2024-01-29 Акционерное общество "Научно-технический центр "РУСИЧ" Tandem store

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RU2481535C2 (en) * 2011-03-16 2013-05-10 Открытое акционерное общество "Завод им. В.А. Дегтярева" Automatic fire arms with magazine feed

Cited By (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503116A (en) * 1944-06-22 1950-04-04 Brevets Aero Mecaniques Ammunition charging device for automatic arms
US2944357A (en) * 1958-05-15 1960-07-12 Western Follower Corp Cartridge magazine follower for automatic pistols
US3226869A (en) * 1964-11-23 1966-01-04 Daniel D Musgrave Multiple row cartridge magazine
US3345771A (en) * 1966-01-07 1967-10-10 Stanley D Silsby High capacity magazine and cooperating firearm structure
US3952441A (en) * 1973-04-13 1976-04-27 Tant William A Clip for semi-automatic firearm
WO1983001503A1 (en) * 1981-10-13 1983-04-28 Johnson, James, H. Cartridge magazine
US4589218A (en) * 1984-06-26 1986-05-20 Sites S.P.A. Multi-stack cartridge magazine for firearms
US4672760A (en) * 1985-12-04 1987-06-16 Ram-Line, Inc. Side-by-side cartridge magazine for rim-fire cartridges
US4790094A (en) * 1985-12-04 1988-12-13 Pam-Line, Inc. Side-by-side cartridge magazine for rim-fire cartridges
US4862620A (en) * 1985-12-04 1989-09-05 Ram-Line, Inc. Side-by-side cartridge magazine for cartridges
US5099595A (en) * 1990-06-05 1992-03-31 Ram-Line, Inc. Magazine for a firearm
US20110173857A1 (en) * 2010-01-15 2011-07-21 Hogan Jr R Russell Increased capacity ammunition clip
US8365454B2 (en) 2010-01-15 2013-02-05 Hogan Jr R Russell Increased capacity ammunition clip
US20100269389A1 (en) * 2010-02-01 2010-10-28 Julio Enrique Lopez Laparra Twin chambers magazine (TCM)
US8813406B1 (en) 2010-03-25 2014-08-26 ArmWest, LLC High capacity magazine with multiple springs
RU2594318C2 (en) * 2010-03-25 2016-08-10 АРМВЕСТ, ЭлЭлСи High capacity magazine with multiple springs
WO2011159383A3 (en) * 2010-03-25 2012-08-09 ArmWest, LLC High capacity magazine with multiple springs
WO2012003020A2 (en) 2010-03-25 2012-01-05 ArmWest, LLC High capacity magazine
KR20130040836A (en) * 2010-03-25 2013-04-24 암웨스트, 엘엘씨 High capacity magazine
KR101711690B1 (en) 2010-03-25 2017-03-02 암웨스트, 엘엘씨 High capacity magazine
US8572877B2 (en) * 2010-03-25 2013-11-05 ArmWest, LLC High capacity magazine
US8739446B2 (en) * 2010-03-25 2014-06-03 ArmWest, LLC High capacity magazine with multiple springs
WO2011159383A2 (en) 2010-03-25 2011-12-22 ArmWest, LLC High capacity magazine with multiple springs
US8844183B2 (en) * 2010-03-25 2014-09-30 ArmWest, LLC High capacity magazine
AU2011271664B2 (en) * 2010-03-25 2014-12-18 Arm West, Llc High capacity magazine
US8973483B2 (en) 2010-03-25 2015-03-10 Arm West, Llc Gas regulator system
US20120167429A1 (en) * 2010-03-25 2012-07-05 Armwest, Inc. High capacity magazine
RU2592185C2 (en) * 2010-03-25 2016-07-20 АРМВЕСТ,ЭлЭлСи High capacity magazine
US9228786B2 (en) 2011-01-14 2016-01-05 ArmWest, LLC Quick barrel change firearm
US9038525B2 (en) 2011-01-14 2015-05-26 ArmWest, LLC Firearm
US9488423B2 (en) 2011-01-14 2016-11-08 Arm West, Llc Firearm systems and methods
US10415906B2 (en) 2011-01-14 2019-09-17 ArmWest, LLC Firearm systems and methods
US11137222B2 (en) 2011-01-14 2021-10-05 ArmWest, LLC Firearm systems and methods
US8485083B1 (en) * 2011-08-03 2013-07-16 Mahlon Duane Care Single-feed magazine adapter for firearms
US11650023B2 (en) 2016-09-23 2023-05-16 Arm West, Llc Selective fire firearm systems and methods
US10488136B2 (en) 2016-09-23 2019-11-26 ArmWest, LLC Selective fire firearm systems and methods
WO2018106205A1 (en) * 2016-12-07 2018-06-14 Олэксандр Костянтыновыч ШАРКОВ Magazine for small arms
US10718582B2 (en) 2016-12-07 2020-07-21 Oleksii Oleksandrovych Sharkov Magazine for small arms
US11035635B2 (en) 2017-02-14 2021-06-15 Taurus Holdings, Inc. Magazine of a pistol for cartridges with a case rim, and pistol having such a magazine
US20200240729A1 (en) * 2017-02-14 2020-07-30 Taurus Holdings, Inc. Magazine of a pistol for cartridges with a case rim, and pistol having such a magazine
US11306985B2 (en) * 2017-02-14 2022-04-19 Taurus Holdings, Inc. Magazine of a pistol for cartridges with a case rim, and pistol having such a magazine
WO2018151912A1 (en) * 2017-02-14 2018-08-23 Taurus Holdings, Inc. Magazine of a pistol for cartridges with a case rim, and pistol having such a magazine
US10866045B2 (en) * 2018-01-30 2020-12-15 Schmeisser Gmbh Housing for a cartridge magazine for a firearm and cartridge magazine for a firearm
US20200011624A1 (en) * 2018-01-30 2020-01-09 Schmeisser Gmbh Housing for a cartidge magazine for a firearm and cartridge magazine for a firearm
RU223034U1 (en) * 2023-06-16 2024-01-29 Акционерное общество "Научно-технический центр "РУСИЧ" Tandem store

Also Published As

Publication number Publication date
GB577889A (en) 1946-06-05
FR851719A (en) 1940-01-13
DE704150C (en) 1941-03-24
NL51468C (en) 1941-11-15
BE433380A (en) 1939-04-29

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