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Class 89/24 - Sliding


Subclass of Class 89 - Ordnance
Definition: Breech-closures in which the breech-block slides laterally
No. of patents: 53
Last issue date: 08/18/2009


1    
NumberTitleIssue Date
7574951Single-shot rifle
The invention relates to a single-shot rifle, comprising a receiver (1), a barrel (6) which is attached to the receiver (1), a bolt (8) housing a firing pin (24), located in correspondence with the back end of the barrel (6)...
08/18/2009
7357058Safety 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
7318369Out-of-battery lock for automatic primer feed mechanism
An out-of-battery lock for a primer feed mechanism having a drive shaft and a drive shaft housing surrounding the drive shaft, the out-of-battery lock including a housing having an opening therethrough for attachment to the drive shaft; a pair of wings disposed on o...
01/15/2008
7246549Automatic primer feed mechanism
A primer feed mechanism mounted on a carrier of an artillery piece includes a body assembly for mounting the primer feed mechanism on the carrier, the body assembly having guide rails and a follower plate; a tray assembly that is movable on the guide rails of the bo...
07/24/2007
7228779Automatic primer feed mechanism
An automatic primer feed mechanism for use with a carrier assembly of a large caliber artillery piece, which includes mechanical assemblies for automatic primer loading after full breech closure and allows for spent primer cartridges to be extracted before opening o...
06/12/2007
7159502Sliding block breech mechanism for a cannon
The invention concerns a sliding block breech mechanism for a cannon with a breech ring arranged at the rear end of a cannon barrel and with a sliding breech block that slides perpendicularly to the longitudinal axis of the cannon barrel in a cavity of the breech ri...
01/09/2007
7089844Device for electrically controlling an automatic weapon
A device for controlling an automatic weapon is provided. Disposed on or in a housing detachably mounted on the weapon is an electric drive motor, controlled by an electric control device, that drives a threaded spindle having a spindle nut on which is disposed a dr...
08/15/2006
7086319Device to provide an electrical connection between a recoiling mass of a weapon and a fixed cradle
A device providing an electrical connection between the recoiling mass of a weapon and a fixed cradle. The device incorporates at least one connector formed of a plug and socket, one of which is integral with the cradle and the other with the recoiling mass, the ele...
08/08/2006
6595100Weapon
A weapon having a barrel (3) supported in a cradle (2) for axial recoil movement, and having a breech block wedge (7) displaceable, transversely to the barrel axis (6) by a control unit (11) connected to the cradle and acting on a piston rod (8). The cont...
07/22/2003
6186041Breechblock opening and closing device for a large-caliber weapon
A weapon includes a barrel; a breech ring attached to a rearward end of the barrel; a groove provided in the breech ring; a movable breechblock mounted in the breech ring and having open and closed positions; a slide mounted in the breech ring and being g...
02/13/2001
6006645Externally driven transverse wedge-type breechblock for a large-caliber weapon
A large-caliber weapon includes a barrel having a longitudinal barrel axis; a cradle supporting the barrel; a breech ring mounted on an end of the barrel; a breech wedge disposed in the breech ring for linear displacements transversely to the barrel axis;...
12/28/1999
5929364Obturator 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
5673505Falling breechblock action for a single shot firearm
A falling breechblock action for a single shot firearm, which is easy to make, assemble and disassemble, has an internal firing mechanism and a cooperating underlever. The action has a trigger, a hammer, an extractor and an extractor retainer, and avoids ...
10/07/1997
5675108Device for manually opening a wedge breechblock and gun equipped with such a device
A manual breechblock opening device that actuates a breechblock lever to open a wedge breechblock of a gun against an elastic return force includes a manual control member, a drivetrain and a holder. The manual control member is disposed within reach of a...
10/07/1997
5663519Breech 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
5604325Cannon breech including a breech block translatable between two cheeks of a breech ring, and cannon having such a cannon breech
A breech block has, for each cheek of a breech ring, at least one bearing surface facing a rear of the breech. The bearing surface is adjustable to slide along a paired bearing surface of a matching bearing element of the cheek and bears on the paired bea...
02/18/1997
5589656Split 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
5544563Primer 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
5535660Breech 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
5481958Weapon with a mobile breech block
A weapon (10) includes a breech block (12) moving between a closed position in which breech block (12) seals off a chamber (17) and an open position in which chamber (17) is open to receive ammunition from a loading tube (13). The means forming lock (16) ...
01/09/1996
5463828Shot gun
A gun 10, such as a shot gun or the like, of the type which includes a firing pin carrying bolt 25 which is reciprocally movable relative to the firing chamber 23 of the gun 10 between a first or firing position where the firing pin 29 can engage the rear...
11/07/1995
5331880Wedge-type breechblock for a gun
A wedge-type breechblock is disposed at the breech end of a gun. A cartridge chamber having a length L1 in the wedge-type breechblock accommodates propellant igniters, with obturation being effected by the respective propellant igniters. A firing mechanis...
07/26/1994
5317949Firing mechanism for breech-loading weapons
A firing mechanism for a breech-loaded weapon to assure safety and provide reliability of operation. A receiver is formed from a central portion that has a receptor whereby the mechanism can be assembled to the rear end of a weapon barrel, there being a p...
06/07/1994
5307724Ejector system and use of the system in large caliber guns
An ejector system for the extraction of cartridge casings from a tubular weapon provided with two ejector levers that are pivotal about an axis. Prior art ejector systems of this type have the drawback in that the ejector claws which pull the cartridge ca...
05/03/1994
5233902Sliding breech block system for repetitive electronic ignition
A sliding breech block system and method for repetitive firing of electrothermal cartridges in an electrothermal gun are provided. The sliding breech block system comprises a high-power, low resistance, flexible coaxial cable which is routed through a sli...
08/10/1993
5085123Large-caliber guns
A device used especially in a large caliber weapon for controlling the train of motion of an ammunition unit during the ramming thereof in the weapon, and of the case of the ammunition unit on firing of the gun includes an impact arrangement which upon ra...
02/04/1992
5058482Blocking 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
5054365Propellant 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
5042361Breechblock 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
5014592Multi-lug breech mechanism
A breech mechanism embodies a multi-lug sliding breech block having a pluity of pairs of lugs. At the instant before firing, the bearing surfaces of at least one pair of lugs are spaced a predetermined distance apart from the bearing surfaces of the resp...
05/14/1991
4991490Breech wedge for artillery cannon
The invention relates to a breech wedge for artillery cannon, of a type that includes means for supporting a primer-cartridge magazine that is driven in translation and rotation under the control of an assembly consisting of a rack and pinion. This first ...
02/12/1991
4986162Blocking device to interrupt movement of a wedge-type breechblock
A wedge-type breechblock arrangement for a gun having a breech-ring and being mounted on a gun cradle. The arrangement includes a breech wedge movable in the breech-ring transversely to the bore axis of the gun for opening and closing the breech end of th...
01/22/1991
4924748Hand-operated lever for opening and closing a wedge-like breechblock
A hand-operated opening lever in a gun is pivotal about an opener shaft to move a wedge-type breechblock between an open position and a closed position, and includes: a lever body which is movable between a first, rest position and a second position for r...
05/15/1990
4787287Automatic cannon having an ammunition-receiving device
In an automatic weapon having a wedge-type breech 6, a linearly advancing and retracting feed finger 5 is provided to transport caseless ammunition 4 into the cartridge chamber 10a of the gun barrel 10, with the feed finger pushing against the rear face o...
11/29/1988
4777862Cartridge case ejectors in automatic guns
The disclosure relates to an automatic gun which employs case ejectors (1, 1') for realizing extraction and ejection of the cartridge case from a spent round. The case ejector is also utilized for arresting the breech block during the recoil of the weapon...
10/18/1988
4759254Weapon arrangement
A weapon arrangement for a gun barrel adapted to fire a projectile the propellant charge of which is loaded separately from the projectile in to the loading chamber of the gun barrel. Such projectiles have a long range and can be fired at a rapid firing s...
07/26/1988
4730539Apparatus for increasing the rate of fire in automatic weapons
An automatic weapon is provided with a device for increasing the rate of fire. The breech mechanism of the weapon is controlled by means of recoil movements which arise on discharge of the weapon, and by an operating cam and spring member included in the ...
03/15/1988
4674215Protective cover by loading flap in a breech aperture
An arrangement for bridging over the path traversed by cartridge being loaded via a loading tray and loading channel in a breech plate into the loading chamber of the weapon. The arrangement includes a trough-shaped flap which is pivotally mounted on the ...
06/23/1987
4649799Sealing 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
4569269Manual actuator for recoil-operated breech
A large-caliber gun has a breech support, a breech block movable relative thereto between open and closed positions, and a shaft centered on an axis and rotatable therabout in the support. Link mechanism connects the shaft and the breech block for angular...
02/11/1986
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