US3650175A - Rotary sprocketed feeder for belted ammunition - Google Patents

Rotary sprocketed feeder for belted ammunition Download PDF

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Publication number
US3650175A
US3650175A US814085A US3650175DA US3650175A US 3650175 A US3650175 A US 3650175A US 814085 A US814085 A US 814085A US 3650175D A US3650175D A US 3650175DA US 3650175 A US3650175 A US 3650175A
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United States
Prior art keywords
round
aperture
tray
bolt
ammunition
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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
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US814085A
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English (en)
Inventor
Richard H Colby
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General Electric Co
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General Electric Co
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Publication date
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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
    • F41A9/37—Feeding two or more kinds of ammunition to the same gun; Feeding from two sides
    • 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
    • F41A9/29—Feeding of belted ammunition
    • F41A9/30—Sprocket-type belt transporters

Definitions

  • PAIENTEDMARZI 1912 SHEET 5 [IF 6 l I I90 30 Inventor: Richard H Co/b y ,2.
  • H H HE inventor 2/6/767/"0' A y .(m m4 '///'S Attorney ROTARY SPROCKETED FEEDER FOR BELTED AMMUNITION BACKGROUND OF THE INVENTION 1.
  • Field of the Invention This invention relates to automatic and semiautomatic guns having a reciprocating breech which drives a cartridge feed mechanism.
  • a feature of this invention is the provision of a feed mechanism for a high rate of fire machine gun including an ammunition tray having an aperture onto which the round to be chambered is delivered during the recoil interval and held in place by springs so that this round may be displaced vertically by the rammer of the bolt during its recoil movement.
  • FIG. 1 is a perspective view of a machine gun embodying this invention
  • FIG. 2 is an exploded perspective view of the subassemblies ofthe machine gun of FIG. 1;
  • F IG. 3 is a longitudinal cross section in elevation of the middle length of the gun of FIG. 1 showing the bolt in battery;
  • FIG. 4 is a longitudinal cross section in elevation of the aft length of the gun of FIG. 1 showing the bolt on sear;
  • FIG. 5 is a top plan view of a detent of the barrel extension assembly showing the locking lugs for the bolt of the gun of FIG. 1;
  • FIG. 6 is a left inboard view in elevation of a detail of the receiver assembly showing the bolt accelerator and its receiver cam plate of the gun of FIG. 1;
  • FIG. 7 is a perspective view of the bolt assembly of the gun of FIG. 1;
  • FIG. 8 is a transverse cross section in elevation of the bolt assembly of the gun of FIG. 1, taken through the electrical firing pin circuit;
  • FIG. 9 is a top plan view of a detent of the receiver assembly of the gun of FIG. 1 showing the electrical contact for the electrical firing pin circuit of the bolt;
  • FIG. 10 is a right side view in elevation of the right feed drive cam plate of the gun of FIG. 1;
  • FIG. 1 l is a perspective view of the feeder drive assembly of the gun of FIG. 1;
  • FIG. 12 is a transverse cross section in elevation taken along plane XIIXII of FIG. 3;
  • FIG. 13 is a transverse cross section in elevation taken along plane XIII-XIII of FIG. 4.
  • FIG. 14 is a top plan view of the feeder assembly of the gun of FIG. 1;
  • FIG. 15 is a right side view in elevation of the feeder assembly of FIG. 14;
  • FIG. 16 is a front view in elevation of the feeder assembly of FIG. 14;
  • FIG. 17 is a transverse cross section in elevation taken along plane XVII-XVII of FIG. 4;
  • FIG. 18 is a right side view in elevation of a detail of the locking cam assembly of the gun of FIG. 1;
  • FIG. 19 is a bottom plan view of a detail of the locking cam assembly of FIG. 18.
  • the embodiment shown in the drawing includes a receiver assembly 10, a barrel assembly 12, a barrel extension assembly 14, a bolt assembly 16, a bolt accelerator assembly 18, a bolt buffer and sear assembly 20, a backplate assembly 22, a locking cam assembly 24, a feeder assembly 26, two barrel recoil spring assemblies 28 and a bolt recoil spring assembly
  • the barrel assembly 12 includes a flash suppressor 32 threaded onto its forward end.
  • the exterior of the aft end of the barrel has a plurality of interrupted threads 34, a clockwise dead-end slot 36; and the medial portion has a longitudinal slot 38.
  • the barrel also has a longitudinal, rifled bore 40, a transitional bore enlargement 42, and a chamber 44.
  • the barrel extension assembly 14 includes a forward annular portion 46, left and right medial, longitudinally extending, spaced apart, vertical web portions 48, 50, and a rear, arched portion 52 all defining a central, vertical aperture.
  • the forward portion 46 has a longitudinal bore 54 with interrupted threads 56 (to engage the barrel threads 34), and a radial pin 58 (to be received by the barrel dead end slot 36).
  • the forward portion also has a cross-slot 60 in which a crank-arm detent 62 is pivotally mounted with its left arm 64 normally biased outwardly by a spring 66. Its right arm 68 is biased inwardly and is adapted to be deflected by the barrel to bring in the left arm.
  • Each web portion 48, 50 has a forward guide-rib 70 and a rear guide-rib 72.
  • Each side of the arched portion 52 has a respective rearwardly extending arm 74 pivotally mounting a respective cam roller 76.
  • the left web portion 48 also has a cutout surface 78 and a transverse blind-bore 80.
  • the bolt accelerator assembly 18 includes a triangular plate 82 (lying in the cutout surface 78) having an inwardly directed transverse pivot pin 84 (joumaled in the blind-bore an inwardly directed cam roller 86 and an outwardly directed cam roller 88.
  • Each web portion 48, 50 also has a respective cutout 90, 92 to receive, journal and support a respective locking lug 94, 96.
  • Each lug has a substantially cylindrically shaped rear portion or knuckle 98 having a vertical axis which is journaled in a mating cylindrical cutout subportion 100 in the respective cutout portion.
  • Each lug is supported vertically by the floor 102 of its respective cutout.
  • Each lug has a vertical, upwardly extending cam follower 104.
  • the receiver assembly 10 includes a forward annular portion 106, a medial portion 108 of U-cross-section, a rear portion 110 and a bottom aperture 111.
  • the forward portion 106 has a rear internal flange portion 112 and a forward internally threaded portion 114 which receives the mating threaded portion 115 of a perforated barrel support and cooling jacket 1 16.
  • An Edgewater multiring compression spring 118 serving as the barrel buffer, is captured between two collars 120, 122, which in turn are captured between the flange portion 112 and the tube portion 115.
  • Each sidewall of the receiver has a lower bolt guide slot 124 and an upper barrel extension guide slot 126 (to receive the ribs 70, 72).
  • a crosspiece 127 interconnects the upper aft ends of the sidewalls.
  • the left side wall has a cam slot 128 (to receive the accelerator roller 88).
  • the forward end of the cam slot has a concave downward sloped portion 130.
  • the wall of the receiver may be cut to receive interchangeable cam plates 132 having a desired cam slot.
  • a :tpring loaded latch 133 is mounted at the forward end of the acket to engage the slot 38 in the barrel.
  • a left feed cam plate 134 and a right feed cam plate 136 are externally pivotally mounted at 138. 140 respectively to the left and right side walls of the rear portion 110 of the receiver.
  • Each cam plate has a respective cam slot 142 (to receive the barrel extension cam roller 76).
  • Each cam plate has a travel limiting slot 144 which receives a limit pm 146 fixed to the respective side wall.
  • Each cam plate also has a cam slot 148 for oscillating a feed drive 150 which includes a crank shaft l52 which is journaled through the side walls of the receiver and has end cam pins 154 respectively mating with the two cam slots 148.
  • the shaft 152 carries two. outer. spring loaded. downwardly driving, plungers 156 and two. inner spring loaded. upwardly driving, plungers 158. for driving the feeder assembly 26.
  • the back plate 22 supports the bolt buffer and sear assembly and the solenoid trigger (not shown and is secured to the rear of the receiver.
  • the bolt buffer and sear assembly .30 includes a plate 160 having a tubular boss 162 which is internally threaded to receive a buffer cap bolt 164.
  • a multiring. bolt buffer spring 166 is captured between an annular front buffer cap 168 and an annular. rear buffer cap 170. which are secured to the plate by the bolt 164. and enclosed by a dust cover 172.
  • the rear buffer cap 170 includes a downwardly extending plate portion 170a. onto which is mounted a scar carrier 174 having a bottom portion and two side wall portions.
  • the bolt sear 176 is mounted to the carrier by a scar pm 178 and has its forward hook 176a biased upwardly by a scar spring 180.
  • the rear of the sear 176b extends rearwardly of the back plate and is adapted to be pulled upwardly to trigger the sear.
  • the bolt assembly 16. here shown. is adapted to electrically fire ammunition.
  • the assembly includes a bolt 182 having a left sidewall 184. a right sidewall 186. a front transverse wall 1188. a rear transverse column 190 and a central aperture 191.
  • a front guide rib 192 and a rear guide rib 194 extend from the right sidewall and mate with the receiver lower right guide slot 1124.
  • a front guide rib 196 and two spaced apart rear guide ribs 198. 200 extend from the left side wall and mate with the receiver lower left guide slot 124.
  • a front guide rib 202 extends from the left sidewall between the ribs 196. 198. and provides an anterior.
  • a downwardly directed bolt hook 208 extends rearwardly from the column 190 and is adapted to engage the sear book.
  • a rammer is formed as a pro ection 210 on top of the column 190 with a rearwardly-downwardly directed aft cam surface.
  • An extractor 212 having an upwardly directed hook is disposed in a longitudinal bore 214 its the column.
  • a firing pin 220 is iipring loaded in a transverse insulated bore in the column and connected to an insulated contact 222.
  • the contact 222 is adapted to enpage a spring loaded insulated contact 223 pro ecting inwardly from the right side wall of the receiver. to provide a path for firing current to the primer of the round of ammunition.
  • the feeder assembly 26 here shown. provides for selective. alternative feed from either of two supplies of ammunition. and is driven by the feed drive 150 built into the rear of the receiver housing.
  • the feeder assembly comprises a U-shaped housing including a front wall 224. and a rear wall 226. integral with the left hand tray 228 and a right hand tray 230. defining an aperture therebetween. and interconnected with a left side plate 232 and a right side plate 234.
  • a left hand .iplined shaft 236 and a right hand splined shaft 238 are jouriaied through and between the front and rear walls 224. 226.
  • top connecting bar 240 extends between the front and rear walls 224. 226 and includes a front, transverse ammunition guide plate 242 and a rear.
  • the edge of the plate 244 includes a lip 244a adapted to abut the rear of the round ammunition.
  • the interior surfaces of the side plates 232. 234 include appropriate slots 235 to receive and guide the ammunition links. not shown.
  • a respective front. snort hook shaped ammunition guide 246 extends upwardly outwardly from each tray 228. 230, and a respective rear, long nook shaped ammunition guide and link stripper 248 extends upwardly-outwardly from each tray 228. 230.
  • a respective front. four hooked sprocket 250. and a respective rear. four .iooked sprocket 252 are fixed on each shaft 236. 238.
  • a respective eight toothed ratchet wheel 256 is fixed on the front end of each shaft 236. 238. and is dogged by a ratchet 258 which is biased by a spring loaded plunger 260.
  • a respective eight toothed drive-ratchet wheel 262 having a base flange 262a is slidably-splined onto each shaft 236. 238.
  • a tWltCh plate 264 is pivotally mounted to the top bar 240 and iias two fork structures. each engaging a respective base flange 262a. whereby the plate 18 adapted to move either the right hand wheel rearwardly into engagement with the right hand liriving plungers 156. 158. and the left hand wheel forwardly.
  • Two depressor springs 266. are fixed to a block 268 which is integral with the top bar 240. encircle a respective shaft 236. 238. and exrend between the front and rear sprockets.
  • the front and rear .iepressor guides 270. 272 are spring loaded in vertical bores in said block and extend downwardly over the tray aperture. ln operation. a left hand belt of ammunition is fed into the left .”iand sprockets. and a right hand belt of ammunition is fed into "he right hand sprockets.
  • t cover plate and locking cam assembly 24 is mounted on the receiver assembly. forward of the feeder assembly.
  • the rear underside of the plate 284 has two spaced apart cam slots .286 which respectively receive the cam followers 104 of the .ocking lugs 94. 96.
  • the cam slots swing the locking lugs outwardly. into their seats. to permit rearward movement of the bolt.
  • the cam slots swing the locking lugs inwardly, from their seats. behind the bolt, to lock the bolt forvard.
  • a conical cavity 288 is formed into the rear underside of the plate between the cam slots. and serves to guide the round or ammunition downwardly. towards the gun barrel axis.
  • the round is moved forwardly along the tray aperture by the bolt rammer.
  • Two barrel recoil springs 28 are disposed in respective longitudinal blind bores in the barrel extension.
  • One bolt recoil spring 30 is disposed in a respective longitudinal blind bore in the bolt. The three springs are compressed in recoil against the back plate 22.
  • the barrel extension and barrel assemblies are held stationary by the accelerator assembly which is locked against rotation by virtue of its fixed pivot 84 in the barrel extension, the cam roller 88 being held up in the upper portion 128 of the accelerator cam slot in the receiver, and the cam roller 86 being held by the cam surface of the intermediate rib 202 on the bolt.
  • the intermediate rib rides along under the cam roller 86 until the slot 204 is under the cam roller 86, clearing the accelerator assembly for rotation.
  • the cam slots 286 in the stationary cover plate engage the cam followers 104 and swing the locking lugs 94, 96 out of their pockets in the moving barrel extension into their locking position behind the relatively stationary bolt, to lock the bolt behind the chambered round.
  • firing current passes through the bolt to the firing pin 220, to fire the chambered, locked round.
  • the accelerator cam roller rides up downwardly about the extractor, through the apertures in the bottoms of the bolt assembly, the barrel extension assembly, and the receiver assembly, out of the weapon. Meanwhile, the feeder disposes the next round on the tray.
  • the barrel extension and barrel assemblies are halted in recoil by the front buffer, while the bolt is halted in recoil by the rear buffer. If the trigger is operated, the sear hook will be depressed and will not engage the bolt hook, permitting the bolt to counterrecoil, as previously described. If the trigger is not operated, the sear hook will engage and halt the bolt.
  • Any suitable charging device may be coupled to the bolt assembly through a longitudinal slot through the left sidewall of the receiver assembly.
  • An at least partly self acting gun which comprises, in combination:
  • a receiver having a first longitudinal axis; a barrel having a chamber and disposed for recoil and counter-recoil movement in said receiver along said first longitudinal axis; a bolt disposed for recoil and counter-recoil movement in said receiver along said first longitudinal axis; an ammunition feed assembly mounted into the top of said receiver; and an ammunition feed drive assembly mounted to said receiver and coupled to and between said barrel extension and said ammunition feed assembly for coupling movement of said barrel extension into movement of said ammunition feed assembly; said ammunition feed assembly including an ammunition tray having a longitudinally elongated aperture for passing a round of ammunition from said feed assembly into said receiver;
  • said bolt having a head portion extending into said tray aperture and reciprocable therealong, and having a rearwardly-downwardly directed aft cam surface means, which functions during recoil travel of said bolt to ride under and raise up the round against the bias of said spring means, and said head portion functions on counter-recoil movement to strip the round on said tray at said aperture along and through said aperture into said chamber of said barrel.
  • An at least partly self acting gun which comprises, in
  • a receiver having a first longitudinal axis
  • a barrel having a chamber and disposed for recoil and counter-recoil movement in said receiver along said first longitudinal axis;
  • a bolt disposed for recoil and counter-recoil movement in said receiver along said first longitudinal axis
  • an ammunition feed drive assembly mounted to said receiver and coupled to and between said barrel extension and said ammunition feed assembly for coupling movement of said barrel extension into movement of said ammunition feed assembly:
  • aaid ammunition feed assembly including an ammunition tray having a laterally central. longitudinally elongated aperture for passing a round of ammunition from said feed assembly into said receiver,
  • bald bolt having a head portion extending into said tray aperture and reciprocable therealong, and adapted on counter-recoil movement to strip a round on said tray at said aperture along and through said aperture into said aham ber of said barrel;
  • aaid sprockets function to advance the round onto said tray aperture during recoil travel of said bolt; and further ineluding apring means for resiliently retaining the round on said tray aperture; and wherein aaid bolt head portion has a rearwardly downwardly directed aft sub portion means which. during recoil travel at" said bolt. functions to ride under and deflect up the l'ound disposed on said tray aperture against the bias of aaid spring means.
  • An at least partly self acting gun which comprises in combination:
  • a barrel having a chamber and disposed for recoil and aounter-recoil movement in said receiver along said first ipngitudinal axis;
  • an ammunition feed drive assembly mounted to said receiver and coupled to and between said barrel extenaion and said ammunition feed assembly for coupling movement of said barrel extension into movement of said ammunition feed assembly;
  • aaid ammunition feed assembly including an ammunition tray having a longitudinally elongated aperture for passing a round of ammunition from said leed assembly into said receiver;
  • ransfer means to receive a round of ammunition from a auppiy station and to carry the round to said aperture in aaid tray during recoil movement of said bolt.
  • afild bolt having a head portion extending into said tray aperture and reciprocable therealong, and having a rearivardly-downwardly directed aft cam surface means which functions during recoil travel of said bolt to ride inder and raise up the round against the bias of said aoring means. and said head portion functions on JOLIDICf-I'CCOI] movement to strip the round on said tray at said aperture along and through said aperture into said chamber of said barrel.
  • said aperture in said tray is less wide aft and more wide forward, whereby the round when disposed aft on said aperture is supported thereby and when forward is passed hrough said aperture; and further including means for deflecting the round towards said gun barrel axis as the round is moved forwardly along said tray aperture av said bolt head portion.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Transmission Devices (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
US814085A 1969-04-07 1969-04-07 Rotary sprocketed feeder for belted ammunition Expired - Lifetime US3650175A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81408569A 1969-04-07 1969-04-07
US81409469A 1969-04-07 1969-04-07

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US3650175A true US3650175A (en) 1972-03-21

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US814085A Expired - Lifetime US3650175A (en) 1969-04-07 1969-04-07 Rotary sprocketed feeder for belted ammunition
US814094A Expired - Lifetime US3596556A (en) 1969-04-07 1969-04-07 Feeder drive

Family Applications After (1)

Application Number Title Priority Date Filing Date
US814094A Expired - Lifetime US3596556A (en) 1969-04-07 1969-04-07 Feeder drive

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US (2) US3650175A (enrdf_load_stackoverflow)
CH (1) CH549195A (enrdf_load_stackoverflow)
DE (1) DE2016282A1 (enrdf_load_stackoverflow)
FR (1) FR2043040A5 (enrdf_load_stackoverflow)
GB (1) GB1295483A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4416186A (en) * 1980-12-11 1983-11-22 Chartered Industries Of Singapore Private Limited Sear buffer
US4932307A (en) * 1980-04-19 1990-06-12 Horst Menges Beltfeeder for an automatic gas pressure loaded weapon in particular a machine cannon
US20080236379A1 (en) * 2006-08-03 2008-10-02 Steimke David L Self-powered impulse averaging recoil operated machine gun with a rotary lock bolt driven by bimodal cams
US7934443B1 (en) * 2007-04-05 2011-05-03 Bennett Keith A Magazine for 22 caliber conversion kit and 22 caliber firearm
KR20160090888A (ko) 2013-11-27 2016-08-01 교라꾸 가부시끼가이샤 적층박리용기
KR20160091396A (ko) 2013-11-27 2016-08-02 교라꾸 가부시끼가이샤 적층박리용기

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766824A (en) * 1971-12-10 1973-10-23 Gen Electric Feeder drive
US3875812A (en) * 1971-12-10 1975-04-08 Gen Electric Feeder drive
CH593475A5 (enrdf_load_stackoverflow) * 1975-08-14 1977-11-30 Oerlikon Buehrle Ag
US6176169B1 (en) * 1997-03-06 2001-01-23 Paul H. Sanderson Aircraft support plank mounted 30 MM machine gun
US7526991B2 (en) * 2005-09-30 2009-05-05 General Dynamics Armament And Technical Products Over riding chamber impulse average weapon
US7762174B1 (en) * 2007-06-01 2010-07-27 General Dynamics Armament And Technical Products Ammunition container and feed system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697381A (en) * 1951-02-19 1954-12-21 Brevets Aero Mecaniques Device for transforming a reciprocating linear motion into a rotary motion
US2710477A (en) * 1953-01-16 1955-06-14 Clarence E Simpson Unitary rammer-ejector for firearms
US2789474A (en) * 1951-11-19 1957-04-23 Darsie Burns Means for stripping links in a firearm
US2820401A (en) * 1954-05-17 1958-01-21 Frank A Pachmayr Machine gun anti-jamming device
US2821887A (en) * 1954-07-27 1958-02-04 United Shoe Machinery Corp Automatic guns
US2924150A (en) * 1954-05-25 1960-02-09 Brevets Aero Mecaniques Indirect cartridge feed mechanisms of the rotor type for sliding breech automatic guns
US3417657A (en) * 1966-07-01 1968-12-24 Brevets Aero Mecaniques Toothed rotor mechanisms for automatic guns fed from two cartridge belts

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1123530A (en) * 1913-08-07 1915-01-05 Deutsche Waffen & Munitionsfab Machine-gun.
NL128755C (enrdf_load_stackoverflow) * 1963-11-26
GB1138286A (en) * 1965-03-10 1968-12-27 Bofors Ab Round feeding mechanism for an automatic gun

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697381A (en) * 1951-02-19 1954-12-21 Brevets Aero Mecaniques Device for transforming a reciprocating linear motion into a rotary motion
US2789474A (en) * 1951-11-19 1957-04-23 Darsie Burns Means for stripping links in a firearm
US2710477A (en) * 1953-01-16 1955-06-14 Clarence E Simpson Unitary rammer-ejector for firearms
US2820401A (en) * 1954-05-17 1958-01-21 Frank A Pachmayr Machine gun anti-jamming device
US2924150A (en) * 1954-05-25 1960-02-09 Brevets Aero Mecaniques Indirect cartridge feed mechanisms of the rotor type for sliding breech automatic guns
US2821887A (en) * 1954-07-27 1958-02-04 United Shoe Machinery Corp Automatic guns
US3417657A (en) * 1966-07-01 1968-12-24 Brevets Aero Mecaniques Toothed rotor mechanisms for automatic guns fed from two cartridge belts

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932307A (en) * 1980-04-19 1990-06-12 Horst Menges Beltfeeder for an automatic gas pressure loaded weapon in particular a machine cannon
US4416186A (en) * 1980-12-11 1983-11-22 Chartered Industries Of Singapore Private Limited Sear buffer
US20080236379A1 (en) * 2006-08-03 2008-10-02 Steimke David L Self-powered impulse averaging recoil operated machine gun with a rotary lock bolt driven by bimodal cams
US20090120276A1 (en) * 2006-08-03 2009-05-14 General Dynamics Armament And Technical Products Self-Powered Impulse Averaging Recoil Operated Machine Gun With A Rotary Lock Bolt Driven By Bimodal Cams
US7584691B2 (en) * 2006-08-03 2009-09-08 General Dynamics Armament And Technical Products Self-powered impulse averaging recoil operated machine gun with a rotary lock bolt driven by bimodal cams
US7934443B1 (en) * 2007-04-05 2011-05-03 Bennett Keith A Magazine for 22 caliber conversion kit and 22 caliber firearm
KR20160090888A (ko) 2013-11-27 2016-08-01 교라꾸 가부시끼가이샤 적층박리용기
KR20160091396A (ko) 2013-11-27 2016-08-02 교라꾸 가부시끼가이샤 적층박리용기
KR20200088522A (ko) 2013-11-27 2020-07-22 교라꾸 가부시끼가이샤 적층박리용기
KR20210072159A (ko) 2013-11-27 2021-06-16 교라꾸 가부시끼가이샤 적층박리용기
KR20220025933A (ko) 2013-11-27 2022-03-03 교라꾸 가부시끼가이샤 적층박리용기

Also Published As

Publication number Publication date
GB1295483A (enrdf_load_stackoverflow) 1972-11-08
FR2043040A5 (enrdf_load_stackoverflow) 1971-02-12
DE2016282A1 (de) 1970-10-15
CH549195A (de) 1974-05-15
US3596556A (en) 1971-08-03

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