EP0038399A1 - Alimentation de type à bande pour canon automatique à chargement par action de gaz avec deux tambours à griffes, chacun entrainé par un arbre - Google Patents
Alimentation de type à bande pour canon automatique à chargement par action de gaz avec deux tambours à griffes, chacun entrainé par un arbre Download PDFInfo
- Publication number
- EP0038399A1 EP0038399A1 EP81100645A EP81100645A EP0038399A1 EP 0038399 A1 EP0038399 A1 EP 0038399A1 EP 81100645 A EP81100645 A EP 81100645A EP 81100645 A EP81100645 A EP 81100645A EP 0038399 A1 EP0038399 A1 EP 0038399A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pawl
- feed shaft
- feed
- shaft
- feeder
- 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
Links
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000003380 propellant Substances 0.000 claims 1
- 238000009795 derivation Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
Images
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
- the invention relates to a belt feeder of an automatic gas-pressure gun barrel weapon, in particular a machine gun, with the features of the preamble of claim 1.
- Such a belt feeder and its drive can be seen, for example, from DE-OS 28 09 505 as known.
- this known belt feeder it can happen that the feed shaft stars of the feed shaft clamp the cartridge after the transport of the belt feeder has ended and thereby hinder their discharge through the closure.
- the cartridge case can be damaged when it is discharged, and there is a higher load on the feed shaft stars and, associated with this, the cadence may drop.
- the object of the invention is therefore to avoid the disadvantages mentioned.
- the feed shaft stars should no longer damage the cartridge case after the end of the respective transport, there should be no increased stress on the feed shaft stars and a cadence drop should be avoided.
- the means used to prevent these disadvantages should not impede the loading and unloading of the weapon and the removal and installation of the feed shafts. Furthermore, the means should be usable in belt feeders of any different construction.
- a feed brake is created for the feed shaft, which jerkily limits the rotation of the respective feed shaft at the end of the feed of the belt by engaging the pawl. This means that the cartridges can no longer be jammed.
- the arrangement of the drive pinion at the front end of each feed shaft ensures easy installation and removal of the feed shafts.
- a particularly favorable structural design results from the fact that the pawls are two-armed, spring-sided. are loaded levers and that they are mounted on a common shaft between the feed shafts. Shorter L age rwellen for the pawls result when each pawl is mounted on a separate, juxtaposed between the Zu Industrieswellen bearing shaft.
- Figures 1 and 2 show, surrounded by a housing 12, on the right the feed shaft 5 with ratchet wheel 6 and drive pinion 1, which can be driven to the right, and on the left the ratchet wheel 6 lying a little further back, likewise in one piece with the feed shaft 5 and in front of it the drive pinion 1, which can be driven to the left.
- Each control cam 2 on the drive pinion 1 is assigned a control pin 3 and a pawl 4.
- the pawls 4 are rotatably mounted on the fixed bearing shaft 8.
- Figure 2 shows that the control pin 3 is held in a bore 13 of a housing cover 9.
- Figure 3 shows the bearing of the shaft 8, which carries the pawls 4 one behind the other, in the housing cover 9, which is covered at the rear by an end plate 10. So that the pawls can be mounted on a bearing shaft 8 one behind the other, the ratchet wheels are offset in the axial direction on the feed shafts.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
- Portable Nailing Machines And Staplers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3015130 | 1980-04-19 | ||
DE19803015130 DE3015130A1 (de) | 1980-04-19 | 1980-04-19 | Gurtzufuehrer einer automatischen gasdrucklader-rohrwaffe, insbes. einer maschinenkanone |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0038399A1 true EP0038399A1 (fr) | 1981-10-28 |
EP0038399B1 EP0038399B1 (fr) | 1984-08-08 |
Family
ID=6100469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81100645A Expired EP0038399B1 (fr) | 1980-04-19 | 1981-01-29 | Alimentation de type à bande pour canon automatique à chargement par action de gaz avec deux tambours à griffes, chacun entrainé par un arbre |
Country Status (4)
Country | Link |
---|---|
US (1) | US4932307A (fr) |
EP (1) | EP0038399B1 (fr) |
DE (2) | DE3015130A1 (fr) |
ES (1) | ES257133Y (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0072421A2 (fr) * | 1981-08-13 | 1983-02-23 | Rheinmetall GmbH | Dispositif d'alimentation de bandes de munitions pour un canon automatique à chargement par action de gaz |
CH666956A5 (en) * | 1985-07-19 | 1988-08-31 | Oerlikon Buehrle Ag | Cartridge feed star of automatic firearm - is rotated stepwise by barrel recoil, and is locked by swivel arm releasing before each step |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6202534B1 (en) * | 1998-01-14 | 2001-03-20 | General Dynamics Armament Systems | Variable speed common axis control sprockets used in a shell casing unloading device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2375219A (en) * | 1942-02-16 | 1945-05-08 | George C Gentry | Feed mechanism for cartridge belts |
DE1807929A1 (de) * | 1967-11-08 | 1969-06-19 | France Etat | Munitionszufuehrvorrichtung fuer automatische Waffen zum fernsteuerbar wahlweisen Verfeuern zwier Munitionstypen |
DE2809505A1 (de) * | 1978-03-06 | 1979-09-13 | Rheinmetall Gmbh | Gurtzufuehrerantrieb fuer eine automatische gasdrucklader-rohrwaffe, insbesondere maschinenkanone |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB619665A (en) * | 1940-02-12 | 1949-03-14 | John Gabler | Improvements in or relating to machine guns, automatic cannon or the like |
LU30869A1 (fr) * | 1951-07-10 | |||
US3596556A (en) * | 1969-04-07 | 1971-08-03 | Gen Electric | Feeder drive |
DE2430002C2 (de) * | 1974-06-22 | 1983-08-25 | Wegmann & Co, 3500 Kassel | Gurtwechseleinrichtung für Schnellfeuerwaffen |
DE3023957C2 (de) * | 1980-06-26 | 1984-04-12 | Rheinmetall GmbH, 4000 Düsseldorf | Wechselgurtzuführer für eine selbsttätige Feuerwaffe, insbesondere Maschinenkanone |
-
1980
- 1980-04-19 DE DE19803015130 patent/DE3015130A1/de not_active Withdrawn
-
1981
- 1981-01-29 DE DE8181100645T patent/DE3165305D1/de not_active Expired
- 1981-01-29 EP EP81100645A patent/EP0038399B1/fr not_active Expired
- 1981-03-26 ES ES1981257133U patent/ES257133Y/es not_active Expired
-
1982
- 1982-05-04 US US06/374,646 patent/US4932307A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2375219A (en) * | 1942-02-16 | 1945-05-08 | George C Gentry | Feed mechanism for cartridge belts |
DE1807929A1 (de) * | 1967-11-08 | 1969-06-19 | France Etat | Munitionszufuehrvorrichtung fuer automatische Waffen zum fernsteuerbar wahlweisen Verfeuern zwier Munitionstypen |
DE2809505A1 (de) * | 1978-03-06 | 1979-09-13 | Rheinmetall Gmbh | Gurtzufuehrerantrieb fuer eine automatische gasdrucklader-rohrwaffe, insbesondere maschinenkanone |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0072421A2 (fr) * | 1981-08-13 | 1983-02-23 | Rheinmetall GmbH | Dispositif d'alimentation de bandes de munitions pour un canon automatique à chargement par action de gaz |
EP0072421A3 (en) * | 1981-08-13 | 1983-05-25 | Rheinmetall Gmbh | Cartridge belt feeding device for automatic guns with gas-operated reloading action |
CH666956A5 (en) * | 1985-07-19 | 1988-08-31 | Oerlikon Buehrle Ag | Cartridge feed star of automatic firearm - is rotated stepwise by barrel recoil, and is locked by swivel arm releasing before each step |
Also Published As
Publication number | Publication date |
---|---|
ES257133U (es) | 1981-07-16 |
DE3165305D1 (en) | 1984-09-13 |
US4932307A (en) | 1990-06-12 |
ES257133Y (es) | 1982-01-01 |
EP0038399B1 (fr) | 1984-08-08 |
DE3015130A1 (de) | 1981-10-22 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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17P | Request for examination filed |
Effective date: 19810910 |
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ITF | It: translation for a ep patent filed |
Owner name: CALVANI SALVI E VERONELLI S.R.L. |
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GRAA | (expected) grant |
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AK | Designated contracting states |
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