EP0661514A1 - Waffe mit bewegbaren Verschlussstücken - Google Patents
Waffe mit bewegbaren Verschlussstücken Download PDFInfo
- Publication number
- EP0661514A1 EP0661514A1 EP94402656A EP94402656A EP0661514A1 EP 0661514 A1 EP0661514 A1 EP 0661514A1 EP 94402656 A EP94402656 A EP 94402656A EP 94402656 A EP94402656 A EP 94402656A EP 0661514 A1 EP0661514 A1 EP 0661514A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- weapon
- latch means
- loading tube
- breech wedge
- 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
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
- F41A3/00—Breech mechanisms, e.g. locks
- F41A3/02—Block action, i.e. the main breech opening movement being transverse to the barrel axis
- F41A3/10—Block action, i.e. the main breech opening movement being transverse to the barrel axis with sliding breech-block, e.g. vertically
Definitions
- the present invention relates to a breech wedge weapon movable between a closed position, in which the breech wedge closes an ammunition chamber, and an open position, in which the chamber is open to receive ammunition.
- the weapons concerned by the present invention are preferably large-caliber artillery weapons which include a sleeve breech system and a breech wedge which can slide in the sleeve.
- the placing of the ammunition in the chamber of the weapon is done using a repeller which pushes the ammunition on the upper part of the base thereof.
- the ammunition is brought by a loading tube which comes to be placed near the sleeve of the weapon.
- the ammunition is therefore not brought up to the entrance to the ammunition chamber.
- the present invention aims to solve the aforementioned problems, by proposing a weapon which makes it possible to facilitate the positioning of the ammunition, while presenting great safety of use during loading.
- the weapon aimed by the invention comprises a breech wedge movable between a closed position, in which the breech wedge closes an ammunition chamber, and an open position, in which the chamber is open to receive ammunition from a loading tube.
- means forming a lock are adapted to keep the bolt wedge in the open position and unlocking means, adapted to place the means forming a lock in the unlocked position, when the loading tube is moved opposite the ammunition chamber, are mounted on the loading tube.
- the breech wedge is unlocked by the loading tube, only when the latter is distant from the ammunition chamber, after having introduced the ammunition.
- means forming a lock exert a locking force substantially opposite to a restoring force exerted on the breech wedge by elastic restoring means and adapted to move said breech wedge from the open position to the closed position.
- the loading tube is adapted to be positioned adjacent to the ammunition chamber.
- the placing of the ammunition is therefore facilitated, the loading tube advancing up to the level of the entrance to the chamber.
- the weapon 10 aimed by the present invention comprises a breech wedge 12 movable between a closed position, in which the breech wedge 12 closes a chamber 17, and an open position, in which the chamber 17 is open to receive an ammunition coming from a loading tube 13.
- the breech wedge 12 can slide inside a sleeve 11 arranged on the rear side of the weapon 10.
- Chamber 17 is located just in front of the artillery tube 15.
- latch means 16 are adapted to keep said breech wedge 12 in the open position and unlocking means 14 adapted to place the latch means in the unlocked position, when the loading tube 13 is moved to the opposite to the chamber 17, are mounted on the loading tube 13.
- the breech wedge 12 is opened by means of a cocking lever 40, one end of which is engaged inside a housing 41 formed in the breech wedge, preferably near its base.
- the movement transmitted to the cocking lever 40 takes place in a known manner during the re-entry into the battery of the weapon after firing by a system of cam and of cam holder plate not shown in the figures.
- the latch means 16 exert a locking force substantially opposite to a restoring force exerted on the breech wedge 12 by elastic restoring means and adapted to move the breech wedge 12 from the open position to the closed position.
- elastic return means 36 can be a spring working in compression.
- the locking force is applied directly to the cylinder head wedge 12, preferably near the lower part of the cylinder head wedge.
- the breech wedge 12 is in the open position and the loading tube 13 is inserted (in the direction of arrow F) into the weapon 10, inside the sleeve 11, and is positioned adjacent to chamber 17 (see dotted position in Figure 2).
- the automatic loading tube 13 thus comes into contact with the chamber 17 and a central repressor (not shown) performs the placing of the ammunition in the chamber.
- Maintaining the position of the munition inside the chamber 17 is achieved by means of a retractable stop not shown and which is well described in patent application No. 8702241.
- the loading tube 13 is therefore positioned above the breech wedge 12 when loading the weapon 10.
- the means forming a lock 16 and the unlocking means 14 are adapted to retract one relative to the other when the loading tube 13 is moved towards the chamber 17, that is to say when it passes above the breech wedge 12, and engaging with each other when the loading tube 13 is moved away from the chamber 17 so as to place the latch means 16 in the unlocked position .
- the latch means 16 comprise a retractable member 24 slidably mounted between a projecting position and a retracted position, an elastic return means 29 being adapted to project the retractable member 24.
- the retractable member 24 has, at its projecting end, a surface 24a forming a pan inclined towards the outside of the weapon 10 and a substantially vertical surface 24b directed towards the interior of the weapon 10.
- the unlocking means 14 consist of an elongated element finger-shaped, one end of which comprises surfaces 14a and 14b in accordance with the surfaces 24a and 24b of the retractable member 24.
- the surface 14a is inclined in the same way as the surface 24a of the member 24, so that, when these two surfaces 14a and 24a are in contact, when the loading tube 13 moves towards the chamber 17, the surface 14a retracts the member 24.
- the retractable member 24 can slide in translation inside the body 16b of the means forming a lock 16, in a T-shaped groove 19 as illustrated in FIGS. 4 and 5.
- the return means 29 projecting from the member 24 is a spring which is placed between two housings 28 and 30 which are drilled respectively inside the retractable member 24 and the body 16b of the means forming lock 16.
- the surface 14b of the locking means 14 is substantially vertical and therefore comes into engagement with the corresponding surface 24b of the retractable member 24 when the loading tube 13 emerges from the weapon 10 away from the chamber 17.
- the latch means 16 are pivotally mounted on an axis of rotation 21 between a position locked and unlocked position. This embodiment is illustrated in FIGS. 4 and 5.
- the lock means 16 comprise a locking hook 16a adapted to come into engagement with a lug means 12a secured to the breech wedge 12.
- the body 16b comprises two locking hooks 16a which make it possible to lock the breech wedge 12 by exerting a force opposite to the restoring force exerted by the spring 36 at two points of the breech wedge 12 situated at two lateral ends of this one.
- the latch means 16 pivot around the axis of rotation 21 and thus release the lugs 12a of the breech wedge 12, locking hooks 16a.
- the breech wedge 12 can thus come, in the closed position, to seal the chamber 17, the energy necessary for this movement being supplied by the spring 36.
- two torsion springs 23 are adapted to return the latch means 12 to their locked position.
- torsion springs are located on either side of the body 16b of the means forming a lock 16. They are aligned with the axis of rotation 23 and are each arranged between the body 16b and the sleeve 11 of the weapon 10.
- Housings 20a are provided respectively in the sleeve 11 and the body 16b of the means of locking to receive the ends 20 of the torsion springs.
- the torsion spring 23 automatically places the locking hooks 16a in engagement with the lugs 12a of the breech wedge, by tilting the means forming latch 16 around the axis of rotation 21.
- the cocking lever 40 is also mounted, at its end opposite the end integral with the breech wedge 12, on the axis of rotation 21.
- the weapon 10 further comprises a manual unlocking device comprising a lever 32 mounted in rotation on the weapon 10 and having an end 32a external to said weapon 10, and a second end 32b secured to a cam 30, this cam 30 being adapted to place the latch means 12 in an unlocked position.
- a manual unlocking device comprising a lever 32 mounted in rotation on the weapon 10 and having an end 32a external to said weapon 10, and a second end 32b secured to a cam 30, this cam 30 being adapted to place the latch means 12 in an unlocked position.
- Unlocking is controlled by an opening lever (not shown), located outside of the sleeve 11 of the weapon 10 and integral with the end 32a of the shaft 32, so as to be within easy reach of the shooter.
- the cam 30 is linked to the shaft 32 by an elastic pin 31, so that the rotational movement of the lever is transmitted to the cam 31.
- This cam 31 is substantially ovoid and is housed inside a housing 22 formed in the body 12b of the means forming a lock 16.
- this cam 31 in the housing 22 is such that, when the latch means 16 are in the locked position, as shown in FIG. 9 in solid lines, the cam is adjacent or close to a wall of the housing 22 at a point close to its axis of rotation.
- the means forming a lock could be applied directly to the closing spring of the cylinder head corner, the unlocking means then acting on these means forming a lock so as to release, by a mechanical device, the energy contained in the closing spring of the corner.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Lock And Its Accessories (AREA)
- Toys (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9314633A FR2713755B1 (fr) | 1993-12-07 | 1993-12-07 | Arme à coin de culasse mobile. |
FR9314633 | 1993-12-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0661514A1 true EP0661514A1 (de) | 1995-07-05 |
EP0661514B1 EP0661514B1 (de) | 1998-08-26 |
Family
ID=9453624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94402656A Expired - Lifetime EP0661514B1 (de) | 1993-12-07 | 1994-11-22 | Waffe mit bewegbaren Verschlussstücken |
Country Status (5)
Country | Link |
---|---|
US (1) | US5481958A (de) |
EP (1) | EP0661514B1 (de) |
DE (1) | DE69412774T2 (de) |
FR (1) | FR2713755B1 (de) |
IL (1) | IL111766A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2327115B (en) * | 1997-07-09 | 2001-06-06 | Rheinmetall Ind Ag | Transverse action breech block for a weapon |
US7296506B2 (en) * | 2005-03-10 | 2007-11-20 | Bae Systems Land & Armaments L.P. | Make-break devices |
DE102009037899A1 (de) * | 2009-08-19 | 2011-02-24 | Rheinmetall Waffe Munition Gmbh | Keilverschluss einer Rohrwaffe |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR944047A (fr) * | 1945-09-13 | 1949-03-24 | Canon semi-automatique à tir rapide à chargement asservi | |
CH667719A5 (en) * | 1985-10-23 | 1988-10-31 | Oerlikon Buehrle Ag | Weapon with wedge action breech block - uses pin sensing extraction groove on cartridge to release insertion arm and breech block |
FR2639426A1 (fr) * | 1988-11-23 | 1990-05-25 | Rheinmetall Gmbh | Dispositif de blocage pour interrompre le mouvement de fermeture d'un coin de culasse |
-
1993
- 1993-12-07 FR FR9314633A patent/FR2713755B1/fr not_active Expired - Fee Related
-
1994
- 1994-11-22 EP EP94402656A patent/EP0661514B1/de not_active Expired - Lifetime
- 1994-11-22 DE DE69412774T patent/DE69412774T2/de not_active Expired - Fee Related
- 1994-11-25 IL IL111766A patent/IL111766A/en active IP Right Grant
- 1994-11-30 US US08/352,100 patent/US5481958A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR944047A (fr) * | 1945-09-13 | 1949-03-24 | Canon semi-automatique à tir rapide à chargement asservi | |
CH667719A5 (en) * | 1985-10-23 | 1988-10-31 | Oerlikon Buehrle Ag | Weapon with wedge action breech block - uses pin sensing extraction groove on cartridge to release insertion arm and breech block |
FR2639426A1 (fr) * | 1988-11-23 | 1990-05-25 | Rheinmetall Gmbh | Dispositif de blocage pour interrompre le mouvement de fermeture d'un coin de culasse |
Also Published As
Publication number | Publication date |
---|---|
DE69412774D1 (de) | 1998-10-01 |
IL111766A (en) | 1998-04-05 |
IL111766A0 (en) | 1995-01-24 |
FR2713755B1 (fr) | 1996-02-09 |
DE69412774T2 (de) | 1999-01-14 |
US5481958A (en) | 1996-01-09 |
FR2713755A1 (fr) | 1995-06-16 |
EP0661514B1 (de) | 1998-08-26 |
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