US2922338A - Large caliber smooth bore mortars - Google Patents

Large caliber smooth bore mortars Download PDF

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Publication number
US2922338A
US2922338A US492103A US49210355A US2922338A US 2922338 A US2922338 A US 2922338A US 492103 A US492103 A US 492103A US 49210355 A US49210355 A US 49210355A US 2922338 A US2922338 A US 2922338A
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United States
Prior art keywords
barrels
barrel
projectile
cradle
fired
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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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US492103A
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English (en)
Inventor
Barbe Georges
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Individual
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Individual
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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
    • F41A9/38—Loading arrangements, i.e. for bringing the ammunition into the firing position
    • F41A9/45—Loading arrangements, i.e. for bringing the ammunition into the firing position the cartridge chamber or the barrel as a whole being tiltable or transversely slidable between a loading and a firing position
    • 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
    • F41A9/01—Feeding of unbelted ammunition
    • F41A9/06—Feeding of unbelted ammunition using cyclically moving conveyors, i.e. conveyors having ammunition pusher or carrier elements which are emptied or disengaged from the ammunition during the return stroke
    • F41A9/09—Movable ammunition carriers or loading trays, e.g. for feeding from magazines
    • F41A9/20—Movable ammunition carriers or loading trays, e.g. for feeding from magazines sliding, e.g. reciprocating
    • F41A9/21—Movable ammunition carriers or loading trays, e.g. for feeding from magazines sliding, e.g. reciprocating in a vertical direction
    • 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
    • F41A9/35—Feeding multibarrel guns
    • 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
    • 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
    • F41F1/08—Multibarrel guns, e.g. twin guns
    • 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
    • F41F3/00—Rocket or torpedo launchers
    • F41F3/04—Rocket or torpedo launchers for rockets
    • F41F3/052—Means for securing the rocket in the launching apparatus

Definitions

  • the present invention relates to large caliber smooth bore mortars and especially mortars for launching antisubmarine projectiles.
  • the object of my invention is to provide a weapon of the above mentioned type which is free from this drawback.
  • this weapon includes a plurality of parallel large caliber smooth bore barrels rigid together to form a single recoiling unit slidable in a cradle with the interposition of a resilient recoil and counter-recoil mechanism between said unit and said cradle, said barrels being provided with respective firing means arranged to be operated successively so that, after all the barrels have been loaded, they can be fired only one after the other, and means being provided in said barrels for yieldingly locking the projectiles therein, whereby, upon one of the barrels being fired, the projectile or projectiles present in the other barrel or barrels of the recoiling unit is or are prevented from moving with respect to said unit, whereas the locking means in the barrel that is being fired yield after a short resistance to the propelling action of the powder cases therein.
  • Fig. 1 is an elevational view of the weapon according to my invention in firing position.
  • Fig. la is a similar view, the weapon being in charging position.
  • Fig. 2 is a rear view of the Weapon in horizontal position.
  • Fig. 3 is a longitudinal sectional view'of' one of the barrels of the weapon.
  • Fig. 3a is a separate view of a rod to be used in order to release the means for yieldingly locking a projectile in a barrel.
  • the weapon shown by the drawing includes a recoiling unit essentially constituted by four barrels 1 rigidly assembled together and the respective axes of which are located along the edges of a prism of square cross-section.
  • This recoiling unit is slidable in cradle 3 pivotable in a training base 4 about a horizontal axis, for elevating displacements of the barrels.
  • This base 4 is itself pivotable about a vertical axis on a pedestal 5 carried by the ship deck 6 for traversing displacements of the barrels.
  • a resilient recoil and counter-recoil mechanism is interposed between cradle 3 and the recoiling unit 1. It may be of any suitable, and for instance conventional, type, including brake and recuperator cylinders C and C carried by cradle 3, and pistons cooperating with said cylinders and having their rods R and R fixed to the barrels 1 of the recoiling unit.
  • every barrel 1 is surrounded by a sleeve 1a of square outer section in which a breechblock 10 is movable transversely. Furthermore in this rear end portion of said barrel 1 there is fitted a steel plug 7 forming the combustion chamber and the rear end of which is provided with a cylindrical bore adapted to receive the powder case 8. The front portion of plug 7 forms an enlarged chamber provided with holes 9 for the passage of the powder gases to the rear part of the projectile 11.
  • the projectile 11, the rear end and the tail fins 12 of which are visible on Fig. 3, is provided, on its rear end face, with a plate 16 carrying spindles 13 on which are pivoted about their front ends, arms 14 the hooked rear ends of which engage under a mushroom-shaped projection 15 integral with plug 7.
  • the bent front ends 14a of arms 14 are provided with notches engaging on projections 17a of an annular piece 17 movable axially with respect to plate 16.
  • An annular block 13 of a resilient material is interposed between this piece 17 and another annular piece 19 slidable axially in piece 17.
  • Piece 19 is intended to bear on the front end face of mushroomshaped projection .15 when the projectile is forced into the barrel.
  • resilient block 18 tends to expand in the axial direction and tightly holds said hooked ends applied against the rear face of the mushroom-shaped part 15, whereby the projectile is resiliently fixed in barrel 1.
  • a screw-threaded rod 30 extending inside piece 19.
  • This rod 30 forms, at the rear end thereof, a short sleeve provided with a hole of polygonal section.
  • the top end of the mushroomshaped projection 15 is provided with an axial hole 31 through which it is possible to engage a rod 31a (Fig. 3a) the end of which is of a polygonal section corresponding to that of the hole provided in the rear end of rod'30.
  • rod 31a is inserted through hole 31 so that the polygonal end of said rod fits in the polygonal hole of rod 30. Then rod 31a is rotated about its axis so as to screw rod 30 in piece 17. The front end of rod 30 is thus first brought into contact with the rear face of plate16. After this, when rod 31a is further rotated, piece 17 is moved rearwardly, thus further compressing block 18, and there fore moving the hooked ends of arms 14 slightly away from the rear face of mushroom-shaped part 15.
  • the switch for controlling ignition includes a single operating member 21 capable of occupying four diiferent positions in each of which it closes one of the ignition circuits 20 of the four barrels respectively.
  • I may control the closing of the four breech mechanisms of the four barrels 1 by a single member, for instance a rotating disc, capable of occupying four active positions, in addition to a neutral position.
  • this disc closes the breech of the first barrel but leaves the three other breeches slightly open so that their firing pins cannot strike the charge primer.
  • the above mentioned disc closes the second breech mechanism and the corresponding barrel can be fired, and so on.
  • the four barrels are charged simultaneously.
  • the weapon is given (Fig. 1a) a suitable negative elevation (for instance 15) where the front portion of the recoiling unit is bearing against a support.
  • the breech mechanisms are opened and the powder cases introduced in the powder chambers.
  • a shell elevator has brought a carrier 23, with four projectiles thereon, along rail 23a from a lower position (Fig. 1) under the deck to an upper position shown by Fig. 1a where the four projectiles are in line with the four barrels.
  • the projectiles are then driven intothe respective barrels by means of four rammers 24 of the chain type.
  • the rammer heads are shown at 25.
  • carrier 23 When carrier 23 is returned to its lower position of Fig. 1, it can be loaded with projectiles carried by two rotating barrels 26 (best visible on Fig. 2). For this pur: pose, four projectiles as shown at 11a, 11b, 11c and 11d on said two barrels 26 are pushed onto carrier 23 by means of push members 27.
  • Fresh projectiles are supplied to barrels 26 by carriers 28 slidable along vertical rails 29.
  • a mortar which comprises, in combination, a cradle, a plurality of parallel large caliber smooth bore relatively thin-walled barrels rigidly assembled together side by side to form a unit slidable in said cradle in a direction parallel to their axes, a resilient recoil and counter-recoil mechanism interposed between said cradle and said unit, firing means for said barrels respectively arranged'to be operable only separately so that only one barrel can be fired at a time, and means for yieldingly locking one projectile in each of said barrels to prevent the projectiles located respectively in barrels that are not being fired from moving with respect to said barrels, whereas the locking means of the projectile in a barrel that is being fired are arranged to yield to the pressure developed in said last mentioned barrel, wherebythe inertia of all said barrels upon the firing of a single shell resists the recoil shock to a substantially greater degree than would a single barrel.
  • a mortar which comprises, in combination, a cradle, four large caliber smooth bore relatively thin-walled barrels rigidly assembled together having their axes located along the edges of a prism the cross-section of which is a square, to form a'unit slidable in said cradle in a direction parallel to their axes, a recoil and counterrecoil mechanism interposed between said cradle and said unit, firing means for said barrels respectively arranged to be operable only separately so that only one barrel can be fired at a time, and means for yieldingly locking one projectile in each of said barrels to prevent the projectiles located respectively in barrels that are not being fired'frorn moving .with respect'to'said barrels, whereas the locking means of the projectile in a barrel that is being fired are arranged to yield to the pressure developed in said last mentioned barrel, whereby the inertia of all said barrels upon the firing of a single shell resists the recoil shock to a substantially greater degree than would a
  • a weapon which comprises, in combination, a cradle, a plurality of parallel large caliber smooth bore barrels rigidly assembled together side by side to form v a unit slidable in said cradle in a direction parallel to their axes, a recoil and counter-recoil mechanism interposed between said cradle and said unit, a breech mechanism at the rear end of each of said barrels for charging powder cases in said last mentioned barrel from the rear, the front portions of said barrels. being adapted to with respect to said barrels, whereas the locking means of the projectile in a barrel that is being fired are arranged to yield to the pressure developed in said last mentioned barrel.
  • a weapon ' which comprises, in combination, a
  • cradle four large caliber smooth bore barrels rigidly assembled together having their axes located along the edges of a prism the cross-section of which is a square, to form a unit slidable in said cradle in a direction parallel to their axes, a recoil and counter-recoil mechanism'in terposed between said cradle and said unit, a breech mechanism at the rear end of each of said barrels for charging powder cases in said last mentioned barrel from.
  • firing means for said barrels respectively arranged to be operable only separately so that only one barrel can be fired at a time
  • means for yieldingly locking one projectile in each of said barrels to prevent the projectiles located respectively in barrels that are not being fired from moving with respect to said barrels, whereas the locking means of the projectile in a barrel that is being fired are arranged to yield to the pressure developed in said last mentioned barrel.
  • a Weapon which comprises, in. combination, a cradle, a plurality of parallel large caliber smooth bore barrels rigidly assembled together side by side to form a unit slidable in said cradle in a direction parallel to their axes, a resilient recoil and counter-recoil mechanism interposed between said cradle and said unit, firing means for said barrels respectively arranged to be operable only separately so that only one barrel can be fired at a time, and means for yieldingly locking one projectile in each of said barrels to prevent the projectiles located respectively in barrels that are not being fired from moving with respect to said barrels, whereas the locking means of the projectile in a barrel that is being fired are arranged to yield to the pressure developed in said last mentioned barrel, said locking means inc1uding a mushroom-shaped projection carried by said plug at the front end thereof, a plurality of arms pivoted at their front ends to the rear end of every projectile and having hooked rear ends adapted to engage behind the head of said mushroom-shaped projection, and resilient

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Toys (AREA)
US492103A 1954-03-16 1955-03-04 Large caliber smooth bore mortars Expired - Lifetime US2922338A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR665390 1954-03-16

Publications (1)

Publication Number Publication Date
US2922338A true US2922338A (en) 1960-01-26

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US492103A Expired - Lifetime US2922338A (en) 1954-03-16 1955-03-04 Large caliber smooth bore mortars

Country Status (3)

Country Link
US (1) US2922338A (enrdf_load_stackoverflow)
FR (1) FR1602851A (enrdf_load_stackoverflow)
GB (1) GB1223861A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106132A (en) * 1961-03-06 1963-10-08 Earl E Biermann Launcher
US4011794A (en) * 1973-04-10 1977-03-15 Matatjahu Leshem Magazine-loading device for grenade launchers
EP0066161A3 (en) * 1981-06-03 1983-02-16 Rheinmetall Gmbh Weapon system with a vehicle-mounted mortar
US4489639A (en) * 1981-06-03 1984-12-25 Rheinmetall Gmbh Armor car-mounted mortar
US6095026A (en) * 1997-07-11 2000-08-01 Tda Armements S.A.S. System for the loading of a mortar
US6571676B1 (en) * 2000-12-04 2003-06-03 Lawrence R. Folsom Compact artillery
US20120024141A1 (en) * 2008-10-17 2012-02-02 Rheinmetall Landsysteme Gmbh Weapon system with a carrier vehicle and a preferably vehicle dependent mortar
US8707846B2 (en) 2008-11-06 2014-04-29 Rheinmetall Waffe Munition Gmbh Weapon with recoil and braking device, damping this recoil
US8794120B2 (en) 2008-11-06 2014-08-05 Rheinmetall Waffe Munition Gmbh Mortar

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239695B (en) * 1986-07-01 1991-10-23 Gen Electric A round of ammunition.
GB9121343D0 (en) * 1991-10-09 1992-11-18 Royal Ordance Plc Mortar system
RU2150655C1 (ru) * 1999-03-23 2000-06-10 Государственное унитарное предприятие "Конструкторское бюро приборостроения" Спаренная артиллерийская установка
RU2165578C1 (ru) * 1999-10-12 2001-04-20 ОАО Акционерная компания "Туламашзавод" Артиллерийская установка
DE10133144A1 (de) * 2001-07-07 2003-01-30 Rheinmetall Landsysteme Gmbh Gepanzertes Fahrzeug
RU2287127C2 (ru) * 2004-08-24 2006-11-10 Открытое акционерное общество "Научно-производственное предприятие "Старт" Пусковая установка для запуска ракет
FR3074475B1 (fr) * 2017-12-01 2021-12-10 Naval Group Dispositif modulaire de lutte anti-sous-marine sur batiment de surface
FR3078396B1 (fr) * 2018-02-23 2020-02-14 Nexter Systems Dispositif de rechargement et tourelle comportant un tel dispositif

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1174923A (en) * 1915-07-03 1916-03-07 Elijah Wilson Machine-gun.
GB126071A (en) * 1916-11-28 1919-05-08 John I Thornycroft And Company Improvements in or relating to Guns for Discharging Projectiles by Gases Supplied thereto under Pressure from a Separate Combustion Chamber.
FR491948A (fr) * 1915-09-03 1919-06-23 Dino Samaia Bouche à feu à plusieurs ames, agissant simultanément sur un seul projectile ou sur des projectiles distincts
FR570257A (fr) * 1923-08-18 1924-04-26 Perfectionnements aux projectiles à auto-percussion et aux canons utilisant ces projectiles
FR914341A (fr) * 1945-04-16 1946-10-04 Controles Ind Et Perfectionnements apportés aux matériels de tir pour projectiles automoteurs
DE884465C (de) * 1951-10-27 1953-07-27 Oerlikon Buehrle Ag Abschussvorrichtung fuer Raketengeschosse mit elektrischer Zuendkapsel
US2732766A (en) * 1956-01-31 Mount for mortar
US2770169A (en) * 1951-11-05 1956-11-13 Bofors Ab Depth-charge launcher

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732766A (en) * 1956-01-31 Mount for mortar
US1174923A (en) * 1915-07-03 1916-03-07 Elijah Wilson Machine-gun.
FR491948A (fr) * 1915-09-03 1919-06-23 Dino Samaia Bouche à feu à plusieurs ames, agissant simultanément sur un seul projectile ou sur des projectiles distincts
GB126071A (en) * 1916-11-28 1919-05-08 John I Thornycroft And Company Improvements in or relating to Guns for Discharging Projectiles by Gases Supplied thereto under Pressure from a Separate Combustion Chamber.
FR570257A (fr) * 1923-08-18 1924-04-26 Perfectionnements aux projectiles à auto-percussion et aux canons utilisant ces projectiles
FR914341A (fr) * 1945-04-16 1946-10-04 Controles Ind Et Perfectionnements apportés aux matériels de tir pour projectiles automoteurs
DE884465C (de) * 1951-10-27 1953-07-27 Oerlikon Buehrle Ag Abschussvorrichtung fuer Raketengeschosse mit elektrischer Zuendkapsel
US2770169A (en) * 1951-11-05 1956-11-13 Bofors Ab Depth-charge launcher

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106132A (en) * 1961-03-06 1963-10-08 Earl E Biermann Launcher
US4011794A (en) * 1973-04-10 1977-03-15 Matatjahu Leshem Magazine-loading device for grenade launchers
EP0066161A3 (en) * 1981-06-03 1983-02-16 Rheinmetall Gmbh Weapon system with a vehicle-mounted mortar
US4489639A (en) * 1981-06-03 1984-12-25 Rheinmetall Gmbh Armor car-mounted mortar
US4753156A (en) * 1981-06-03 1988-06-28 Rheinmetall Gmbh Armor car-mounted mortar
US6095026A (en) * 1997-07-11 2000-08-01 Tda Armements S.A.S. System for the loading of a mortar
US6571676B1 (en) * 2000-12-04 2003-06-03 Lawrence R. Folsom Compact artillery
US20120024141A1 (en) * 2008-10-17 2012-02-02 Rheinmetall Landsysteme Gmbh Weapon system with a carrier vehicle and a preferably vehicle dependent mortar
US8534180B2 (en) * 2008-10-17 2013-09-17 Rheinmetall Landsysteme Gmbh Weapon system with a carrier vehicle and a preferably vehicle dependent mortar
US8707846B2 (en) 2008-11-06 2014-04-29 Rheinmetall Waffe Munition Gmbh Weapon with recoil and braking device, damping this recoil
US8794120B2 (en) 2008-11-06 2014-08-05 Rheinmetall Waffe Munition Gmbh Mortar
US9121667B1 (en) 2008-11-06 2015-09-01 Rheinmetall Waffe Munition Gmbh Mortar

Also Published As

Publication number Publication date
GB1223861A (en) 1971-03-03
FR1602851A (enrdf_load_stackoverflow) 1971-02-08

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