US2367572A - Drum type cartridge magazine - Google Patents

Drum type cartridge magazine Download PDF

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Publication number
US2367572A
US2367572A US290291A US29029139A US2367572A US 2367572 A US2367572 A US 2367572A US 290291 A US290291 A US 290291A US 29029139 A US29029139 A US 29029139A US 2367572 A US2367572 A US 2367572A
Authority
US
United States
Prior art keywords
magazine
sleeve
spring
shaft
follower
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
US290291A
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English (en)
Inventor
Gazda Antoine
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
Application granted granted Critical
Publication of US2367572A publication Critical patent/US2367572A/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
    • F41A9/61—Magazines
    • F41A9/64—Magazines for unbelted ammunition
    • F41A9/73—Drum magazines

Definitions

  • cartridge magazines for firearms have a spiral guide channel for the ammunition which is moved towards the mouth of the magazine by means 'of a spring-operated magazine follower.
  • a great disadvantage of these known magazines is that when loading the magazine one cartridge after another has to be pressed into the spiral channel of the magazine against the force of a spiral spring and thus a constantly increasing spring pressure has to be overcome each time a cartridge is inserted. Obviously loading under such conditions requires considerable time.
  • Another disadvantage is that the spiral spring is tensioned when the magazine is loaded. This constant tension of the spring causes fatigue therein which often leads to trouble during automatic loading of the firearm.
  • the object of the present invention is to avoid the above-mentioned disadvantages and it relates to a magazine for firearms with a guide channel for the ammunition which is moved towards the mouth of said guiding channel by means of a spring controlled magazine follower.
  • a feature of the invention is that a coupling is interposed between the spring and the follower which can be engaged and disengaged. When the magazine is being loaded this coupling is disengaged so that the spring is not tensioned during this operation but is only tensioned later, for example immediately before firing, by engaging the coupling.
  • Figure 1 is a cross-sectional view taken on the line l-l of Fig. 2 through the magazine, certain of the parts being shown in elevation;
  • Figure 2 is a longitudinal sectional view through the same.
  • Figure 3 is a partial cross sectional view illustrating a construction wherein a pin is used for separating the coupling elements.
  • Figure 4 is a partial top plan view of the construction shown in Figure 3.
  • the magazine for automatic firearms is provided with a fixed spiral guiding channel a for the ammunition b.
  • c is a hollow shaft on which sleeve d is rotatably mounted.
  • a spiralspring e is arranged on the sleeve d, the inner end of which is attached to the sleeve d whilst the other end thereof is secured to the fixed guiding channel a.
  • the holthe other half 9 by a spring i but it may be retracted out of engagement with the half coupling a by means of a pin 1' provided thereon which projects outwards through a slot s in the sleeve d.
  • tensioned spiral spring e acts on the follower 'n which moves the cartridge towards the mouth of the guiding channel by means of the sleeve d, the coupling 9 and g the hollow shaft 0 and the disc 3'.
  • a drum type cartridge magazine comprisin a magazine casing having a channel for cartridges, a magazine follower operating in said channel, a rotatably mounted shaft connected to said follower, a sleeve rotatably mounted on said shaft, a spring for placing said follower under tension to eject said cartridges, one end of said spring being secured to said casing and the other end being secured to said sleeve, and means for connecting said shaft and sleeve comprising a coupling element interposed therebetween, spring means maintaining said coupling element normally in engagement with both said shaft and said sleeve and said coupling element being movable relative to both said shaft and During this sleeve into a position of disengagement from one thereof, and means for moving said coupling element into said position of disengagement, whereby the magazine may be loaded with cartridges while said spring means is in untensioned position.
  • a drum type cartridge magazine comprising a magazine casing having a channel for cartridges, a magazine follower operating in said channel, a, rotatably mounted shaft connected to said follower, a sleeve rotatably mounted on said shaft, 8. spring for placing said follower under tension to eject said cartridges, one end of said spring being secured to said casing and the other end being secured to said sleeve, and means for connecting said shaft and sleeve comprising a coupling element interposed therebetween, said coupling element being normally in engagement with both said shaft and said sleeve and being movable relative to both said shaft and sleeve into a position of disengagement from one thereof, yielding means for maintaining such engagement, and manually operable means for moving said coupling element into said position of disengagement against the action of said yielding means, whereby the magazine may be loaded with cartridges while said spring means is in untensioned position.
  • A. drum type cartridge magazine comprising a magazine casing having a, channel for cartridges, a magazine follower operating in said channel, a rotatably mounted shaft connected to said follower, a sleeve rotatablymounted on said shaft, a spring for placing said follower under tension to eject said cartridges, one end of said being secured to said casing and the other end Facing secured to said sleeve, and means for connecting said shaft and sleeve comprising a coupling element interposed therebetween, spring means maintaining said coupling element normally in engagement with bothsaid shaft and said sleeve and said coupling element being movable relative to both said shaft and sleeve into a position of disengagement from one thereof, and means for moving said coupling element into said position of disengagement, whereby the magazine may be loaded with cartridges while said spring means is in untensioned position, and means for tensioning said spring after said casing has been loaded.
  • a drum type cartridge magazine comprising a magazine casin having a channel for cartridges, a magazine follower operating in said channel, a rotatably mounted shaft connected to said follower, a sleeve rotatably mounted on said shaft, a spring in the casing for placing said follower under tension to eject said cartridges, one end of said spring being secured to said casing and the other end being secured to said sleeve, and means for connecting said shaft and sleeve comprising a coupling element in said sleeve, said coupling element being constantly in engagement with said sleeve and normally in engagement with both sleeve and shaft and being movable relative to both said shaft and sleeve into a position of disengagement from said shaft, yielding means for maintaining such engagement, and manually operable means for moving said coupling element into said position of disengagement against the action of said yielding means, whereby the magazine may be loaded with cartridges while said spring means is in untensionecl position.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Toys (AREA)
  • Automatic Tape Cassette Changers (AREA)
US290291A 1938-08-19 1939-08-15 Drum type cartridge magazine Expired - Lifetime US2367572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH526200X 1938-08-19

Publications (1)

Publication Number Publication Date
US2367572A true US2367572A (en) 1945-01-16

Family

ID=4518211

Family Applications (1)

Application Number Title Priority Date Filing Date
US290291A Expired - Lifetime US2367572A (en) 1938-08-19 1939-08-15 Drum type cartridge magazine

Country Status (5)

Country Link
US (1) US2367572A (en:Method)
BE (1) BE435923A (en:Method)
CH (1) CH205933A (en:Method)
FR (1) FR858935A (en:Method)
GB (1) GB526200A (en:Method)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828732A (en) * 1956-02-07 1958-04-01 Horowitz Harry Toy machine gun construction
WO1986007137A1 (en) * 1985-05-20 1986-12-04 Miller Michael K Gun and magazine system
EP0247272A3 (en) * 1986-05-19 1990-01-10 Michael K. Miller Gun and magazine system
US5442991A (en) * 1983-12-05 1995-08-22 Hughes Missile Systems Company Accumulating rotary transfer unit
US20070151440A1 (en) * 2006-01-03 2007-07-05 Browning Arms Company Magazine apparatuses, firearms including same, and method of introducing an ammunition cartridge into a firearm
US8156675B2 (en) 2007-03-08 2012-04-17 Browning Firearm magazine
USD765813S1 (en) 2014-12-31 2016-09-06 Magpul Industries Corporation Drum magazine for a firearm
US10371475B2 (en) 2016-09-21 2019-08-06 Browning Firearm magazine
CN113338592A (zh) * 2020-03-03 2021-09-03 广东博智林机器人有限公司 一种弹鼓装置和找平机器人

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506409A (en) * 1943-05-20 1950-05-02 Republic Aviat Corp Automatic locking ammunition container

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828732A (en) * 1956-02-07 1958-04-01 Horowitz Harry Toy machine gun construction
US5442991A (en) * 1983-12-05 1995-08-22 Hughes Missile Systems Company Accumulating rotary transfer unit
WO1986007137A1 (en) * 1985-05-20 1986-12-04 Miller Michael K Gun and magazine system
US4766800A (en) * 1985-05-20 1988-08-30 Miller Michael K Gun and magazine system
EP0247272A3 (en) * 1986-05-19 1990-01-10 Michael K. Miller Gun and magazine system
US20070151440A1 (en) * 2006-01-03 2007-07-05 Browning Arms Company Magazine apparatuses, firearms including same, and method of introducing an ammunition cartridge into a firearm
US7806036B2 (en) 2006-01-03 2010-10-05 Browning Magazine apparatuses, firearms including same, and method of introducing an ammunition cartridge into a firearm
US8484875B2 (en) 2007-03-08 2013-07-16 Browning Firearm magazine
US8156675B2 (en) 2007-03-08 2012-04-17 Browning Firearm magazine
US8745912B2 (en) 2007-03-08 2014-06-10 Browning Firearm magazine
USD765813S1 (en) 2014-12-31 2016-09-06 Magpul Industries Corporation Drum magazine for a firearm
US10371475B2 (en) 2016-09-21 2019-08-06 Browning Firearm magazine
US10921078B2 (en) 2016-09-21 2021-02-16 Browning Firearm having a delay mechanism
US11614292B2 (en) 2016-09-21 2023-03-28 Browning Detachable firearm receiver
CN113338592A (zh) * 2020-03-03 2021-09-03 广东博智林机器人有限公司 一种弹鼓装置和找平机器人
CN113338592B (zh) * 2020-03-03 2022-04-01 广东博智林机器人有限公司 一种弹鼓装置和找平机器人

Also Published As

Publication number Publication date
BE435923A (en:Method)
GB526200A (en) 1940-09-12
FR858935A (fr) 1940-12-06
CH205933A (de) 1939-07-15

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