EP0578648B1 - Schlagzündvorrichtung für mörsern oder ähnlichen geschützen - Google Patents

Schlagzündvorrichtung für mörsern oder ähnlichen geschützen Download PDF

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Publication number
EP0578648B1
EP0578648B1 EP92905598A EP92905598A EP0578648B1 EP 0578648 B1 EP0578648 B1 EP 0578648B1 EP 92905598 A EP92905598 A EP 92905598A EP 92905598 A EP92905598 A EP 92905598A EP 0578648 B1 EP0578648 B1 EP 0578648B1
Authority
EP
European Patent Office
Prior art keywords
mortar
percussion
firing
rod
firing pin
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
EP92905598A
Other languages
English (en)
French (fr)
Other versions
EP0578648A1 (de
Inventor
Michel Begneu
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.)
Giat Industries SA
Original Assignee
Giat Industries SA
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 Giat Industries SA filed Critical Giat Industries SA
Publication of EP0578648A1 publication Critical patent/EP0578648A1/de
Application granted granted Critical
Publication of EP0578648B1 publication Critical patent/EP0578648B1/de
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
    • F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
    • F41F1/00—Launching apparatus for projecting projectiles or missiles from barrels, e.g. cannons; Harpoon guns
    • F41F1/06—Mortars
    • 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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/25—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins
    • F41A19/27—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block
    • F41A19/29—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block propelled by a spring under tension
    • 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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/58—Electric firing mechanisms
    • F41A19/59—Electromechanical firing mechanisms, i.e. the mechanical striker element being propelled or released by electric means

Definitions

  • the subject of the invention is a percussion firing device for mortar or the like and a mortar or the like comprising such a device.
  • a percussion firing device for mortar or the like comprising a movable striker mounted in translation and means for actuating said striker, the striker being part of a set of percussion, with interposition of an articulated lever on which a pivoting arm is coupled, characterized in that the striker is housed in a body integral with the base plate of the mortar and which is actuated from a trigger by a spring percussion, the articulated lever being able to cooperate with on the one hand, a control member associated with the trigger and, on the other hand, a movable abutment assembly also integral with the rear base plate of the mortar and which is able to cooperate with a fixed member of said mortar.
  • the trigger is an electromagnet whose rod is adapted to cooperate with the control member constituted by a push rod on which the action of a return spring is exerted and whose end adjacent to the rod of the electromagnet comprises a rocking mechanism pivotally mounted about an axis substantially perpendicular to that of sliding of the pusher.
  • the invention also provides that the lever articulated at one of its ends on the rod connecting the striker proper and the piston is also articulated at its other end on cheeks carrying the body secured to the rear base plate of the mortar.
  • the latter also carries the movable stop assembly constituted by an arming finger mounted to slide against the action of a compression spring with adjustable tension by means of an adjustment screw on which is adapted to bear.
  • this articulated arm is housed in a lumen of a chimney in which slides the push rod and which is erected on the body integral with the rear base plate of the mortar in which the percussion ensemble.
  • a device D for the firing of a projectile fired by a p mortar M which is shown in t the rear end of the barrel tube, -opposée the mouth - and which is either '' a part with the rest of the tube is more generally movable relative to said barrel tube, essentially comprises a percussion assembly 10, a set movable stop 11, means 12 for actuating the percussion assembly 10 and a member 13 for controlling the means 12 suitable for being made operational by means of a trigger constituted here by an electromagnet 16 with rod 17.
  • the percussion assembly 10 is housed in a body 23 fixed to the rear base plate 27 of the mortar M and, therefore, accompanies the recoil movement of the weapon after a shot has been fired, when such a decline manifests itself. As clearly visible in FIGS.
  • the body 23 has, in its tubular front part, 23 b , a first bore 23 a in which a striker 24 is slidably mounted, the front face 24 a of which carries a percussion tip 24 b , the cross section of the striker being as shown in Figure 5, that is to say circular and split along four longitudinal conduits 25 1 , 25 2 , 25 3 , 25 4 regularly distributed over the circumference and which prevail over the entire length of the striker which is fixed on a rod 26 coaxial with the axis A of the tube t .
  • the latter is partly surrounded by a ring 40 resting on a shoulder 41 of a second bore 42, -of larger diameter than the bore 23 a -, the rear part of the body 23, said ring 40 serving to guide and stop a stack of shock-absorbing springs 45, the preload of which can be adjusted using the cap screw 35, which partly covers the ring 40 by its cylindrical end wall 46.
  • a lever 51 On the rear end of the rod 26 a is articulated, around a pivot axis 50, a lever 51 also articulated at its other end around an axis 52 mounted in cheeks J which carry the body 23 and between which can move an arm 54 harnessed to the lever 51 by an axis 53 placed between the axes 50 and 52, the arm 54 being guided in a lumen 55 of a chimney 56 erected on the body 23 and which is directed substantially perpendicular to the axis of the bores 23 a and 42, approximately halfway along the latter.
  • a push rod 60 In the chimney 56 is slidably mounted a push rod 60 whose end 60 a (closest to the body 23) is hollowed out to accommodate a compression spring 61, Figure 3, bearing at its other end on the bottom of the chimney 56, the push rod 60 carrying at its other end a rocking mechanism 62 constituted by a key 63 pivotally mounted about an axis 64 against the action of a piano wire spring 65, FIG. 4.
  • the device D also includes the movable stop assembly 11 constituted by an arming finger 70 slidably mounted in the plate.
  • a fixed plate, 80, provided at the front of the movable stop assembly is adapted to cooperate with the finger 70 to move the latter, against the action of the spring 71, from the position shown in Figure 3 to that shown in Figures 1 and 2, as will be explained below in the description which will now be made of the operation of a device according to the invention.
  • the firing device is as shown in FIG. 1 where the striker 24 is inside the bore 23 a , the percussion point 24 b not protruding into the tube t where was introduces a projectile p .
  • the electromagnet 16 bolted to a fixed part of the weapon is made operational, its rod 17 is released to pass from the condition shown in FIG. 1 to that shown in FIG. 2 where it presses the key 63 to move the push rod 60 in the direction of arrow F, causing the arm 54 which was in contact with the screw 75 of the movable stop assembly 11 to swing down (in the drawing) and which, as a result, escapes him.
  • the percussion spring 33 which was bandaged in the initial condition, is released and projects the striker 24 forward via the rod 26 which is integral therewith.
  • the initiation of the cartridge which equips the projectile p then causes the firing of one or more charges c associated with the projectile p and the combustion of which generates the propellant gases of said projectile.
  • These propellant gases confined between the tube t , the base plate 27 of the mortar and the projectile p cause the ejection of the latter, on the one hand, and, on the other hand, penetrate partly through the conduits 25 in the chamber limited by the bore 23 a , the rear face of the striker 24 and the sealing ring 18, advantageously a lip ring made of a material insensitive to corrosion, for example of the type of those used in valve guides automobile engine.
  • the pressure of the gases generated is low and the weapon does not does not undergo, or undergo only a slight decline; the pressure force acting on the front face 24 a of the striker 24 being greater than that acting on the rear face of said striker, -due to the presence of the rod 26-, the striker and the rod which is integral with it move back from of the condition shown in FIG. 2, by compressing the percussion spring 33.
  • the lever 51 pivots around the axis 52 anticlockwise, as shown by the arrow f , thus making the arm escape 54 to the screw 75 of the movable stop assembly, while the spring 61 energized when the electromagnet is triggered (whose rod has meanwhile retracted) thus brings the arm 54 into abutment on the screw 75, that is to say again in the condition shown in FIG. 1, to allow the firing of a new munition.
  • the ignition which has just been described generates a high pressure of the propellant gases which causes, on the one hand, the recoil of the weapon, as shown in Figure 3, but also, on the other hand, a displacement of the rod 26 and the piston 30 which is integral therewith.
  • This displacement of greater amplitude than that of the previous case brings, in fact, said piston in abutment on the ring 40 to slightly move the latter by compressing the shock absorber springs 45 then serving to dissipate and absorb the kinetic energy of the percussion assembly, lever 51 and arm 54 associated therewith.
  • the finger 70 of the movable stop assembly 11 which is no longer immobilized by the plate 80 moves forward, under the action of the spring 71, taking the screw 75 out of the path of the arm 54 which is then substantially aligned with the finger 70, that is to say in the position shown in Figure 3 where it was brought by the push rod 60, -which at the start of the recoil escaped the rod 17 of the electromagnet 16-, and which is then biased by the spring 61 previously energized , as explained above, when the shot is fired.
  • the button 63 is mounted at the end of the push rod 60 by a rocking mechanism, which, as shown in FIG. 4, allows said rod pusher, and therefore the entire mechanism, to return to the armed position, even in the case where the rod 17 of the electromagnet has not been recalled in its inoperative condition at the end of return to the battery, and this, most simply, by yielding by a pivoting movement around the axis 64 against the action of the spring 65 which then brings the key back into its condition allowing firing.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Claims (7)

  1. Schlagzündvorrichtung für einen Mörser oder ein ähnliches Geschütz, mit einem beweglichen Zündbolzen (24), der verschubfähig montiert ist, und mit Mitteln zum Antreiben des besagten Zündbolzen (24) der zu einer Schlagvorrichtung (10) gehört, wobei dazwischen ein Gelenkhebel (51) angebracht ist, auf den ein Schwenkarm (54) gekoppelt ist, gekennzeichnet dadurch, daß der Zündbolzen in einem Körper (23) untergebracht ist, der fest mit der Grundplatte (27) des Mörsers (M) verbunden ist und über einen Auslöser (16) durch eine Schlagfeder (33) betätigt wird, wobei der Gelenkhebel (51) einerseits mit einem zum Auslöser (16) gehörenden Steuerorgan (13) zusammenwirkt und, andererseits, mit einer beweglichen Anschlageinheit (11), die ebenfalls fest mit der hinteren Grundplatte (27) des Mörsers (M) verbunden ist sowie mit einem stationären Organ (80) des besagten Mörsers zusammenwirkt.
  2. Vorrichtung gemäß dem Anspruch 1, gekennzeichnet dadurch, daß der Auslöser ein Elektromagnet (16) ist, dessen Schaft (17) mit dem Steuerorgan (13) bestehend aus einem Stößelschaft (60) zusammenwirkt, auf den die Kraft einer Rückholfeder (61) einwirkt, und dessen neben dem Schaft (17) des Elektromagneten (16) liegendes Ende einen Schwenkmechanismus (63) enthält, der um eine Achse (64) schwenkend montiert ist, die in etwa im rechten Winkel zur Gleitachse des Stößels verläuft.
  3. Vorrichtung gemäß dem Anspruch 1 oder 2, gekennzeichnet dadurch, daß die Schlagzündvorrichtung folgendes enthält:
    • den eigentlichen Zündbolzen (24) mit geradem kreisförmigem Querschnitt, nach Längsschächten (25) geschlitzt und in einer ersten Bohrung des auf die hintere Grundplatte des Mörsers fixierten Körpers beweglich installiert;
    • einen Kolben (30) mit der gleichen Achse wie der Zündbolzen (24), untergebracht in einer zweiten Bohrung (23a) des besagten Körpers und fest mit dem Zündbolzen über einen geführten Schaft (26) mit Abdichtung in einem Ring (18), der die erste von der zweiten Bohrung trennt, verbunden;
    • einer Schlagfeder (33), die sich einerseits auf die Fläche des Kolbens (30) stützt, die gegenüber der liegt, die sich gegenüber dem eigentlichen Zündbolzen befindet, und andererseits, auf eine Verschlußschraube (35), die die besagte zweite Bohrung verschließt; und
    • in der besagten zweiten Bohrung (42) federnd dämpfende Mittel (45), deren Vorspannung über die Verschlußschraube (35) eingestellt werden kann, und mit denen besagter Kolben zusammenwirken kann.
  4. Vorrichtung gemäß einem der vorhergehenden Ansprüche, gekennzeichnet dadurch, daß der Hebel (51), der an einem seiner Enden gelenkig mit dem Schaft (26) verbunden ist, der den eigentlichen Zündbolzen (24) und den Kolben (70) verbindet, außerdem am anderen Ende auf den Backen (J) gelenkig verbunden ist, die den Körper tragen, der fest mit der hinteren Grundplatte (27) des Mörsers (M) verbunden ist.
  5. Vorrichtung gemäß dem Anspruch 1, gekennzeichnet dadurch, daß die bewegliche Anschlageinheit (11) einen Rückstellfinger (70) aufweist, der gleitend in der Grundplatte (27) des Mörsers (M) gegen die Kraft einer Druckfeder (71) montiert ist sowie eine Einstellschraube (75), auf der der Arm (54), der gelenkig mit dem Schwenkhebel (51) verbunden ist, der an die Schlagzündvorrichtung (10) angeschlossen ist, aufliegen kann.
  6. Vorrichtung gemäß einem beliebigen der vorhergehenden Ansprüche, gekennzeichnet dadurch, daß der Arm (54), der gelenkig mit dem Hebel (51) verbunden ist, in einem Längsloch (55) eines Schachts (56) untergebracht ist, in dem der Stößelschaft (60) gleitet, und der am Körper (23) angebracht ist, in dem die Schlagvorrichtung (10) montiert ist.
  7. Mörser oder ähnliche Waffe, gekennzeichnet dadurch, daß er eine Schlagzündvorrichtung gemäß einem der vorhergehenden Ansprüche enthält.
EP92905598A 1991-01-22 1992-02-05 Schlagzündvorrichtung für mörsern oder ähnlichen geschützen Expired - Lifetime EP0578648B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9100659A FR2671866B1 (fr) 1991-01-22 1991-01-22 Dispositif de mise a feu par percussion pour mortier ou analogue et mortier comprenant un tel dispositif.
CA002100080A CA2100080A1 (fr) 1991-01-22 1992-02-05 Dispositif de mise a feu par percussion pour mortier ou analogue
PCT/FR1992/000100 WO1993016347A1 (fr) 1991-01-22 1992-02-05 Dispositif de mise a feu par percussion pour mortier ou analogue

Publications (2)

Publication Number Publication Date
EP0578648A1 EP0578648A1 (de) 1994-01-19
EP0578648B1 true EP0578648B1 (de) 1996-11-27

Family

ID=27169495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92905598A Expired - Lifetime EP0578648B1 (de) 1991-01-22 1992-02-05 Schlagzündvorrichtung für mörsern oder ähnlichen geschützen

Country Status (6)

Country Link
US (1) US5410942A (de)
EP (1) EP0578648B1 (de)
CA (1) CA2100080A1 (de)
DE (1) DE69215510T2 (de)
FR (1) FR2671866B1 (de)
WO (1) WO1993016347A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2796140B1 (fr) * 1999-07-09 2002-08-23 Giat Ind Sa Dispositif de mise a feu pour artillerie par percussion d'une etoupille
US7555977B2 (en) 2005-09-23 2009-07-07 Bae Systems Land & Armaments L.P. Firing pin and valve assembly
US8881963B2 (en) * 2007-08-31 2014-11-11 Illinois Tool Works Inc. Enhanced pneumatic tool actuation device
US7690546B2 (en) * 2007-08-31 2010-04-06 Illinois Tool Works Inc. Pneumatic tool actuation device
US8387846B2 (en) * 2009-06-08 2013-03-05 Illinois Tool Works Inc Fastening tool with blind guide work contact tip
US8356437B1 (en) * 2010-09-03 2013-01-22 The United States Of America As Represented By The Secretary Of The Army Firing pin position indicator for gun
US20160102934A1 (en) * 2014-10-08 2016-04-14 Jesse L. Davison Gau-21 trigger
US9546840B1 (en) * 2015-01-14 2017-01-17 The United States Of America As Represented By The Secretary Of The Army Bi-directional recoil containment and double strike prevention system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1298887A (en) * 1917-07-06 1919-04-01 Vickers Ltd Automatic gun.
US1352891A (en) * 1919-07-02 1920-09-14 Samuel G Green Electrically-controlled mechanism for firearms
US2473555A (en) * 1947-07-24 1949-06-21 Weiss Saul Breech-loading mortar with obturator case
US2656636A (en) * 1950-10-25 1953-10-27 Samuel G Green Firing mechanism for firearms
US2779242A (en) * 1952-04-04 1957-01-29 United Shoe Machinery Corp Breech mechanisms
US3283658A (en) * 1965-05-24 1966-11-08 Frank E Knight Breechblock having a timing circuit switch
FR2163932A5 (de) * 1971-12-07 1973-07-27 France Etat
GB2004037B (en) * 1977-09-10 1982-03-24 Rheinmetall Gmbh Mortar
US4986019A (en) * 1989-10-30 1991-01-22 Olin Corporation Industrial shotgun

Also Published As

Publication number Publication date
DE69215510D1 (de) 1997-01-09
EP0578648A1 (de) 1994-01-19
US5410942A (en) 1995-05-02
WO1993016347A1 (fr) 1993-08-19
CA2100080A1 (fr) 1993-08-06
FR2671866A1 (fr) 1992-07-24
FR2671866B1 (fr) 1993-03-26
DE69215510T2 (de) 1997-04-03

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