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| Number | Title | Issue Date |
| 7878102 | Revolver for firing high velocity ammunition A revolver for firing high velocity ammunition includes a frame, a cylinder, a barrel, and a firing mechanism. The revolver may include one or more of the following, each of which is especially adapted for use in the context of firing high velocity ammunition: space... | 02/01/2011 |
| 7357059 | Mechanical initiating system for caseless ammunition A mechanical initiating system (10) for caseless ammunition including a weapon breech block and a powder body chamber adjoining the weapon breech block. A firing pin is axially displaceably arranged in a through hole (26) formed in the weapon breech bl... | 04/15/2008 |
| 7357058 | Safety latch assembly for use in a weapon breech A safety latch assembly locks a firing tray mechanism and prevents it from firing a primer prematurely if a breech is not safely closed. The safety latch assembly includes a latch body, a latch hook for locking a firing mechanism tray, and a shaft that connects the ... | 04/15/2008 |
| 7353742 | Double action firing pin system A firing pin system for a firearm, including a breech block, a firing pin slidably disposed in the breech block and a single firing pin coil spring adapted to both urge the firing pin toward a cartridge in a barrel of the firearm when the firearm is fired and, subse... | 04/08/2008 |
| 7275472 | Gas ring for firearm A bolt assembly for a direct gas firearm includes a plurality of sealing rings. In an embodiment, there are three rings with ring gaps cut at about a 45 degree angle and the middle ring is flipped so that the angle of the gap of the middle ring is approximately 90 d... | 10/02/2007 |
| 7254913 | Revolver for firing high velocity ammunition A revolver for firing high velocity ammunition includes a frame, a cylinder, a barrel, and a firing mechanism. The revolver may include one or more of the following, each of which is especially adapted for use in the context of firing high velocity ammunition: space... | 08/14/2007 |
| 7171886 | Pipe mortar To seal a pipe mortar, a sealing element (3, 6) is inserted between the pipe (1) and the base (2), with the element elastically balancing out the axial relative movements between the pipe (1) and the base (2). The sealing element (... | 02/06/2007 |
| 7143537 | Firing pin assembly A firing pin assembly is provided that includes a firing pin and a firing pin shaft. The firing pin is received in a slot of the end of the firing pin shaft to be retained therein with a spring retaining sleeve, a main spring, and a main spring sleeve. The firing pi... | 12/05/2006 |
| 7028877 | Combustion—operated working tool, in particular a setting tool for fastening elements A combustion-operated working tool having a housing body (1), which has a cylindrical recess (5) and a piston chamber (2) connecting therewith for receiving a piston (3); an impact plate (8), which is arranged opposite to and at a ... | 04/18/2006 |
| 6955111 | Method for safely removing the spindle and the breechblock from the carrier of an M777 howitzer A method comprising the steps of lifting a stool-like device onto the recoil slide rails of a howitzer, sliding the device on the recoil slide rails of the howitzer until the device is centered under the breechblock of the howitzer, receiving and holding the breechb... | 10/18/2005 |
| 6851348 | Artillery firing mechanism A firing apparatus (1.0) for a projectile-firing weapon of the type comprising a barrel (8) having a bore therein, the firing apparatus comprising a breech assembly (2.0) adapted to be secured to the barrel (8), a firing mechanism (5.0... | 02/08/2005 |
| 6363829 | Drum seal for primer feed mechanism A system for sealing an indexing primer magazine and breech assembly of a barrel-type firearm to contain exhaust gases with the flow passage transfers the increased pressure into a sealing force between the insert and indexing primer magazine. Additionall... | 04/02/2002 |
| 6286743 | Explosive powder charge-operated setting tool An explosive powder charge-operated setting tool including a first part provided with a cartridge socket (3), an opposite second part having a mating surface (14) which partially covers an axial projection surface of the cartridge socket (3), a circular c... | 09/11/2001 |
| 6223643 | Obturator for a gun According to the invention there is a provided an obturation assembly for a gun of the type comprising a barrel of which a rear end defines a firing chamber having an obturation seat and the gun further having a breechblock, the obturation assembly compri... | 05/01/2001 |
| 5929364 | Obturator sealing means for a split wedge/breechblock gun An obturator for guarding the primary sealing surfaces of a step wedge brhblock gun from post-firing residue buildup assures greater survivability of the obturator without the necessity of cleaning after each firing. The device includes an active tube in... | 07/27/1999 |
| 5777256 | Sealing device for a weapon firing caseless ammunition A sealing device for sealing the combustive gases of a caseless munition is mounted between a barrel and a firing chamber of a small caliber weapon. The sealing device includes a ring-shaped sealing element with a first end forming a radially extending se... | 07/07/1998 |
| 5663519 | Breech for a gun which is able to operate with two different breech blocks A modular concept for a gun which uses a breech conversion kit allows the firing of cased and caseless ammunition with the same gun. The cannon has 2 breech mechanism (10) which includes a first sliding breech-block (19) which engages the rear end (15) of... | 09/02/1997 |
| 5604326 | Striker device for a firearm A striker device for a firearm of the type having a loading chamber for a munition includes a detonator cap provided with a percussion cap and a translationally movable assembly comprised of a striker equipped with a striker tip and associated with a part... | 02/18/1997 |
| 5589656 | Split wedge/breechblock and sealing means for gun A split wedge/breechblock for inserting and extracting the bridge seal from he powder chamber of a gun tube. The device includes a sealing mechanism for the sliding surfaces between the wedge and the breechblock, a bridge seal for use in the XM 297 gun sys... | 12/31/1996 |
| 5544563 | Primer cartridge leader for guns A first member, such as a primer cartridge (33), is inserted in an aperture in a second member, such as a chamber (8) in a gun breech block (4,5), by means of an apparatus such as a primer loader (52), comprising a tubular member whose bore (16) serves as... | 08/13/1996 |
| 5535660 | Breech closure for a barrel-type firearm A breech closure for a barrel-type firearm is described, in which a flow passage for an igniting jet from an igniting cartridge held in a magazine extends through a breechblock. The breechblock is formed on that side which faces the magazine with a cylind... | 07/16/1996 |
| 5513550 | Firearm with pivoting barrel A firearm for firing cartridges (2) which may in at least one embodiment fire caseless cartridges (2), having a barrel (1) pivoting around a pivot point (11) from a firing position to a loading position, and back to the firing position. A fixed wall (16) ... | 05/07/1996 |
| 5487232 | Detonator assembly An improved detonator assembly for a black powder firearm having a breech block, a receiver, and a nipple. The detonator assembly comprises a primer and a primer carrier. The primer carrier has an axial bore dimensioned to receive the primer at one end an... | 01/30/1996 |
| 5398593 | Breech lock, especially for hand firearms A bayonet-connector-like breech lock has a breech housing and a breech block with at least two radially projecting locking components. The enlarged region needed to rotate the locking components takes the form of an annular space wherein a locking sleeve ... | 03/21/1995 |
| 5345854 | Device to seal the cartridge chamber on hand weapons A device for sealing the cartridge chamber of a small arms weapon that fires a caseless cartridge consisting of a propellant charge and a bullet that is connected to the propellant charge. The device includes a pot-shaped seal having a base and a side. Th... | 09/13/1994 |
| 5333531 | Revolver firearm with gas sealing In a revolver, a sleeve is attached to the outside rear section of the barrel and can be turned to adjust abutment with a forward portion of the cylinder of the revolver.... | 08/02/1994 |
| 5305679 | Cylinder mortar A rapid fire mortar including an ammunition cylinder, each of whose chambers is provided at its rear end with a metal seal, of which the bottom forms a support for a round of ammunition. The seal is slidably mounted in the chamber to compensate for variat... | 04/26/1994 |
| 5147971 | Base and obturating ring arrangement An obturating arrangement for a gun barrel of the type having a right-angled obturating ring having its axially extending arm disposed within a recess in the base ring at the end of the gun barrel and its inwardly radially extending arm engaging, in a kno... | 09/15/1992 |
| 5115715 | Breech mechanisms A breech mechanism for large caliber artillery pieces is characterized by a specifically designed sealing function in the form of an intermediate layer between a main portion of the breech mechanism and a seating portion displaceable in relation thereto b... | 05/26/1992 |
| 5058482 | Blocking device for the breechblock in a gun A blocking device for blocking the closing movement of a wedge-type breechblock of a gun if an obturating ring is missing. The blocking device includes a detector which is urged toward a recess in the gun barrel base ring and which enters the recess if th... | 10/22/1991 |
| 5054365 | Propellant igniter magazine for a wedge-type breechblock A gun includes a gun barrel having a breech end; a wedge-type breechblock disposed at the breech end; a flash bore in the breechblock; a seal disposed adjacent to and surrounding an inlet opening of the flash bore; a firing mechanism mounted on the breech... | 10/08/1991 |
| 5054366 | Axially adjustable gun barrel base ring An arrangement for axially adjusting play between an obturating ring of a gun barrel base ring and a wedge-type breechblock. The base ring has a threaded ring adjustably disposed in an annular groove adjacent the gun barrel for adjusting axial play existi... | 10/08/1991 |
| 5042361 | Breechblock mechanism for a gun It is known to arrange a breech mechanism for a gun so as to be displaceable within a parallel guide arranged at a right angle to the bore axis of the gun barrel, and to bring a mushroom shaped head for obturation to the chamber in a partial circular arc.... | 08/27/1991 |
| 4982649 | Straight-action breech block system A tubular automatic weapon includes a barrel having a rear terminal portion defining a chamber, and a breech block having a breech block axis and being arranged for movement in axial alignment with the barrel. The breech has a block housing, a rotary head... | 01/08/1991 |
| 4793084 | Cylinder firearm, and an associated improved cylinder The invention relates to a cylinder firearm whose cylinder (100) includes a plurality of chambers (108). The cylinder (100) includes a channel (101) associated with each of its chambers (108) and opening out into said chamber ahead of any cartridge contai... | 12/27/1988 |
| 4744283 | Mortar The improved mortar has a sealing means that provides a double seal to the firing pin so that hot ignition gases from the mortar tube are prevented from damaging the firing mechanism. The improved mortar also has an improved base plate, the improvement in... | 05/17/1988 |
| 4709616 | Obturator ring for a cannon An obturator ring for location between a sliding wedge-type breech block and a base ring in the barrel of a cannon to provide a seal and allow satisfactory closing movement of the obturator ring. The ring comprises an angle section with a radial flank hav... | 12/01/1987 |
| 4660458 | Pivoting projectile loading chamber for high angle-firing weapons A pivoting or swivable projectile or shell loading chamber for high angle-firing weapons, especially for mortars, which is constructed so as to be barrel-shaped at its lower end and which support itself on the base plate of the mortar, and which can be sw... | 04/28/1987 |
| 4649799 | Sealing assembly An improved sealing system for use in a sliding seal. The seal has a sliding member with first and second L-shaped seals and an annular opening. One L-shaped seal serves to seal junction of the annular opening with the sliding member and the second seal s... | 03/17/1987 |
| 4566368 | Leak detector for seal ring of gun breech mechanism A gun breech mechanism has a barrel formed with a backwardly open shell chamber, a breech block displaceable into a position rearwardly closing the chamber, and a seal ring between the block and the barrel and having an inner face exposed in the chamber a... | 01/28/1986 |
