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EP1686345A1 - Dispositif pour l'extraction précise d'une douille ou d'une cartouche d'une chambre à cartouche - Google Patents

Dispositif pour l'extraction précise d'une douille ou d'une cartouche d'une chambre à cartouche Download PDF

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Publication number
EP1686345A1
EP1686345A1 EP05024767A EP05024767A EP1686345A1 EP 1686345 A1 EP1686345 A1 EP 1686345A1 EP 05024767 A EP05024767 A EP 05024767A EP 05024767 A EP05024767 A EP 05024767A EP 1686345 A1 EP1686345 A1 EP 1686345A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
cartridge
groove
cartridge chamber
damper
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
EP05024767A
Other languages
German (de)
English (en)
Other versions
EP1686345B1 (fr
Inventor
Roland Bertiller
Hubert Schneider
Gert Dieterle
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.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
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 Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP1686345A1 publication Critical patent/EP1686345A1/fr
Application granted granted Critical
Publication of EP1686345B1 publication Critical patent/EP1686345B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F41A9/54—Cartridge guides, stops or positioners, e.g. for cartridge extraction
    • 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
    • F41A15/00—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun
    • F41A15/04—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun specially adapted for cartridge cases being deformed when fired, e.g. of plastics
    • 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
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/16—Barrels or gun tubes characterised by the shape of the bore

Definitions

  • the eyelid is known to be strongly influenced by the gas pressure of the cartridge, the cartridge bearing condition, such as friction, lubrication, contamination and corrosion, of the sleeve condition, such as the hardness of the sleeve, the coating of the sleeve or the tolerance field. Further influencing factors are the state of the ejector mechanism and the contamination by muzzle brakes.
  • the invention has the object to provide a way for a defined ejection, to prevent it comes to a sleeve jam, etc.
  • the idea of the invention is based on the idea that the enumerated influencing variables for the manufacturing and also the technical nature of the casting are more or less unchangeable, and that they are designed to design a chamber with a defined sleeve pull-out resistance. This is created by a minimum displacement, which is integrated in the chamber. During the ejection process, the relaxation energy is used and converted accordingly when releasing the sleeve in a speed. It is built a minimum voltage, which has the consequence that a bias voltage is secured, so that no speed reduction of the sleeves occur.
  • the cartridge chamber in the front region of a sleeve of a cartridge.
  • one groove is sufficient, with more than one possible.
  • the single groove can be introduced over the entire inner circumference (i.e., all around) of the housing of the cartridge chamber or only in certain sections of the inner circumference. The latter is useful, inter alia, if more than one groove is provided.
  • a cartridge chamber 6 and parts thereof is shown in a sectional view.
  • a defined groove 5 is introduced in the cartridge chamber 6.
  • the position and shape of the groove 5 in the cartridge chamber 6 is matched to the geometry and nature of a cartridge 3 not shown here or its sleeve 2 (see FIG. 2). 1, the bearing housing of the cartridge chamber 6 is marked.
  • FIG. 1 a shows an enlarged detail A of FIG. 1 for a clear illustration of the groove 5.
  • FIG. 2 the cartridge chamber 6 is shown with the here indicated cartridge 3 with sleeve 2.
  • an ejector 8 here an extractor, by means of which the sleeve 2 is transported from the cartridge chamber 6.
  • FIG. 2 a shows an enlarged detail A 'of FIG. 2, which is identical in principle to the geometric detail A of FIG. 1.
  • the gas pressure in the cartridge case 2 deforms it on the housing 4 in such a way that it engages in the groove 5 by permanent deformations 7.
  • the extractor 8 When attaching the extractor 8, ie, when pulling out the sleeve 2, the extractor 8 must apply so much force or tension that deformed in the grooves 5 housing 4 of the sleeve 2 via the deformation path X from the groove 5 and the chamber 6 is pulled out. This build-up of tension guarantees a higher, predefinable voltage level with a significantly reduced bandwidth.
  • Fig. 3 the principle of the sleeve return is shown, with only the essential parts of the invention were identified.
  • 10 with a here shown excerpt conveyor is marked, which transported in this representation pods 2 of the lost ammunition 3 (not visible here).
  • the sleeves 2 are transferred by an arms-side extractor 8 in an ejection position 23 (Fig. 4) in an ejector tube marked 12.
  • This ejection tube 12 is preferably in the housing of a Munitionszu réelles 13, which is usually part of a weapon, not shown, involved.
  • this ejector tube 12 With this ejector tube 12 in functional accordance standing, there is a designated 14 sleeve damper, which dampens the ejected at very high speed sleeves 2.
  • the sleeve damper 14 For trouble-free operation of the sleeve damper 14 is brought after each shot in its original position. If the sleeve damper 14 is a spring damping system, this can here positively controlled by its own spring force in the starting position are performed. This forced control is also possible via a cam wheel with control cam (not shown in detail), which can be integrated in the transmission 15 of the ammunition feeder 13 itself.
  • FIG. 4 shows a view of the interaction of ammunition transport and tube removal.
  • the ammunition chain 10 'conveys cartridges 3 from a non-illustrated ammunition container into the ammunition feeder 13 of the weapon.
  • the cartridges or ammunition 3 is held in the chain links 18 and guided in the region of the sprocket 19 of the conveyor 10.
  • the cartridge 3 is then transferred in the area of the sprocket 19 to a gun-side rotor 20 of the ammunition feeder 13 and in this position by the rotor 20 to a weapon-side feed star 21.
  • This feed star 21 has here due to the number of drums five notches and associated five positions for the ammunition 3. Further positions are the actual firing position 22 and the ejection position 23 of the sleeve 2.
  • this ejection position 23 in functionality is, as already described, the ejection tube 12, which guides the sleeves 2 in a sleeve-catching position 24 along a sleeve lead 25.
  • a sensor 26 is used inter alia for functional testing.
  • the sleeve damper 14 here a spring system, springs in and reduces the collection energy of the sleeve 2.
  • the stroke of the sleeve damper 14 is designed so that the sleeve 2 are caught by the sleeve catch springs 28 on the withdrawal edge 27 of the sleeve 2.
  • the sleeve 2 is thereby defined in the ammunition chain 10 '.
  • the next shot the system is rotated further and the sleeve 2 is returned via the ammunition chain 10 'in the ammunition container.
  • the reset of the sleeve damper 14 is preferably realized in this embodiment by the energy in the own springs. The same procedure also applies to a failure failure.
  • the weapon with the ammunition feeder 7 makes up to approx. 40 mm return and forward movements, the weapon is mounted in a returning system (not shown in detail) in a damped manner. Since the ammunition container is usually rigidly mounted, the transfer of the cartridge 3 via a flexible configuration of the conveyor 10 takes place.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Pens And Brushes (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Feeding And Guiding Record Carriers (AREA)
EP05024767A 2005-01-27 2005-11-12 Dispositif pour l'extraction précise d'une douille ou d'une cartouche d'une chambre à cartouche Not-in-force EP1686345B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005003752A DE102005003752B4 (de) 2005-01-27 2005-01-27 Vorrichtung zum definierten Auswurf einer Hülse oder Munition aus einem Patronenlager

Publications (2)

Publication Number Publication Date
EP1686345A1 true EP1686345A1 (fr) 2006-08-02
EP1686345B1 EP1686345B1 (fr) 2008-10-08

Family

ID=36061635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05024767A Not-in-force EP1686345B1 (fr) 2005-01-27 2005-11-12 Dispositif pour l'extraction précise d'une douille ou d'une cartouche d'une chambre à cartouche

Country Status (3)

Country Link
EP (1) EP1686345B1 (fr)
AT (1) ATE410657T1 (fr)
DE (2) DE102005003752B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015007440A1 (fr) * 2013-07-17 2015-01-22 Rheinmetall Waffe Munition Gmbh Dispositif d'éjection de douille et arme pourvue d'un dispositif d'éjection de douille de ce type

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609904A (en) * 1969-05-07 1971-10-05 Remington Arms Co Inc Extractable plastic cartridge
CH581305A5 (en) * 1974-02-20 1976-10-29 Bofors Ab Flangeless plastics cartridge case for firearms - is withdrawn by breech block after firing by keying effect
EP0362064B1 (fr) 1988-09-28 1993-03-31 GIAT Industries Arme automatique à barillet, à grande cadence de tir

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059367A (en) * 1961-02-23 1962-10-23 Rosebush F Ward Compensating means in barrel chamber for low and high powered cartridges
CH667325A5 (en) * 1985-09-26 1988-09-30 Oerlikon Buehrle Ag Firearm empty case-collection accessory - comprises spring impact lever with damper before shaft leading to bag

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609904A (en) * 1969-05-07 1971-10-05 Remington Arms Co Inc Extractable plastic cartridge
CH581305A5 (en) * 1974-02-20 1976-10-29 Bofors Ab Flangeless plastics cartridge case for firearms - is withdrawn by breech block after firing by keying effect
EP0362064B1 (fr) 1988-09-28 1993-03-31 GIAT Industries Arme automatique à barillet, à grande cadence de tir
DE68905739T2 (de) 1988-09-28 1993-07-08 Giat Ind Sa Automatische schnellfeuer-revolverwaffe.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015007440A1 (fr) * 2013-07-17 2015-01-22 Rheinmetall Waffe Munition Gmbh Dispositif d'éjection de douille et arme pourvue d'un dispositif d'éjection de douille de ce type

Also Published As

Publication number Publication date
ATE410657T1 (de) 2008-10-15
DE502005005609D1 (de) 2008-11-20
EP1686345B1 (fr) 2008-10-08
DE102005003752B4 (de) 2008-07-17
DE102005003752A1 (de) 2006-08-10

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