Class 102/272 - Impacting devices

Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter including a device to impart an impulse of
No. of patents: 40
Last issue date: 07/04/2006

Number	Title	Issue Date
7069862	Handheld tool for breaking up rock A tool (12) has a body (14) with a barrel (18) having opposing threaded and fitted openings (30 and 28). An actuator pin tube (26), for slidably engaging an actuator pin (38) having a tip (40) opposing a retent...	07/04/2006
6578488	Safety device for a pyrotechnic impact fuse of a ballistic high explosive shell A fuse-less shell (10) with a so-called pyrotechnic impact fuse achieves bore safety and safety in front of the bore by providing a spring-supported ball (43) arranged in a central bore (72) within a valve body (65). The valve body (65) separates an explo...	06/17/2003
6578489	Pyrotechnic initiation delay means A pyrotechnic initiation delay device intended in particular to cooperate with a device for firing a pyrotechnic charge of the fuze type, particularly for a hand grenade, having a delay composition located inside a delay column, the latter having a lower ...	06/17/2003
6279480	Firing pin assembly for a warhead detonator A firing pin assembly for mechanically igniting a warhead detonator of a projectile by being accelerated in a forward direction by inertia upon impact, includes a firing pin having a rearward firing pin part and a frontal firing pin part arranged in serie...	08/28/2001
6257145	Pyrotechnical impact detonator A projectile includes a pyrotechnical detonation chain arranged to be ignited in response to a launching of the projectile. The chain includes two successive spaced-apart portions that are spaced apart to prevent ignition from being transferred therebetwe...	07/10/2001
5914459	Acceleration/deceleration sensing switch for munitions A discriminating deceleration sensing electrical switch assembly is enclosed within a munitions projectile for providing an electrical circuit path between a pair of electrical contacts upon deceleration of the projectile being greater than a selected dec...	06/22/1999
5799977	Gas generator for seat belt retracting power generating device This invention relates to a gas generator for a seat belt retracting power generating device to supply power to an emergency retracting device of a seat belt retractor, and aims to reliably ignite an ignition agent and a driving agent by concentrating fla...	09/01/1998
5564747	Trigger device Accommodated within a trigger casing are a firing pin arranged movably toward a detonator, an inertia body formed of a permanent magnet and defining along a central axis thereof a through-hole through which the pin extends freely, and a cylindrical perman...	10/15/1996
5460094	Trigger device A trigger device is provided with a firing pin made of a non-magnetic material and arranged movably toward a detonator, an inertia body formed of a permanent magnet and arranged movably toward the detonator, and a cylindrical permanent magnet having an in...	10/24/1995
5458369	Starting device and seat belt tightening apparatus A starting device (21, 121, 41) for actuating a gas generator (8) by striking a detonator (10) in response to an acceleration of a predetermined level or more. The starting device includes a firing pin (22), an inertial mass (23), an annular permanent mag...	10/17/1995
5365850	Igniting device A method and an arrangement to determine the lowest speed at which an activating pin activates a detonator, this being achieved by a hydraulic medium, the viscous property of which is used to control the transfer of energy from the activating pin to the d...	11/22/1994
5072896	Powered canopy breakers A powered canopy breaker attached to an ejection seat, that fractures a canopy when the seat is ejected. The breaker has a piston that is operatively connected to an explosive cartridge. When the seat is ejected, the piston engages the canopy, pushing the...	12/17/1991
4991510	Impact fuse having fore-bore safety The invention relates to an impact fuse (2) having fore-bore safety for a projectile (1), comprising a percussion needle (3) stationary on the fuse and an impact body (4) containing a percussion cap (5) and supported slidingly in the direction of flight, ...	02/12/1991
4982664	Crash sensor with snap disk release mechanism for stabbing primer A crash sensor for automobiles of the type including a ball moving against viscous damping in a closed cylinder for releasing a firing pin for initiating a pyrotechnic sequence has an improved release mechanism. When the ball moves a predetermined distanc...	01/08/1991
4913057	Armor piercing shell In an armor piercing explosive shell of the kind which comprises a hollow charge and an impact contact member placed in the nose cone of the shell to provide electrical contact for initiation of the hollow charge upon impact of the shell against the targe...	04/03/1990
4882995	Projectile for darting gun A projectile for a darting gun, comprising a front head housing a front ignition plunger arranged for axial rearward movement when the tip of the projectile strikes a target, the ignition plunger communicating with a rearwardly extending striker means whi...	11/28/1989
4876964	Projectile and method of making it A projectile and method of making it having a forward end portion which comprises a hollow, metallic nose portion (1) containing a charge (3) adapted to detonate by impact against a target without the use of a fuse. In order to achieve safeguard against i...	10/31/1989
4833994	Dual purpose explosive lead for a projectile having a shaped charge warhead A projectile 10 with a shaped charge warhead 27 and a nose mounted contact fuze 30. A precursor shaped charge 56 and liner 48 are mounted in the base 38 of fuze 30. When a target 64 is impacted by the projectile 10, a precursor shaped charge jet is produc...	05/30/1989
4831936	Armor piercing shell An armor piercing explosive shell comprises a hollow charge and an impact contact member placed in the nose cone of the shell and arranged to provide electrical contact for initiation of the hollow charge upon impact of the shell against the target. To im...	05/23/1989
4827846	Initiating device for a training projectile An initiating device which employs discardable arming members is disclosed. The design qualifies as a low cost, responsive, impact initiating system for a practice projectile. The method is embodied in a sub-caliber flight projectile as part of a mortar t...	05/09/1989
4779533	Apparatus for setting the ignition timing in projectile fuses In a fuse for projectiles, a timing ring is mounted rotatably around the longitudinal axis of the fuse, whereby the ignition time or the ignition delay time may be set. To resist rotation of the set timing ring, the timing ring is secured by means of a fr...	10/25/1988
4760792	Pyrotechnic delay for high g's application An acceleration resistant pyrotechnic delay unit delays the ignition of a warhead subjected to high acceleration on launch and high deceleration on impact. The delay unit includes a delay cup housing a pyrotechnic train. The delay cup has a primer cavity ...	08/02/1988
4757765	Rotational projectile A rotational projectile having a hollow, metallic nose portion (1) containing a charge adapted to detonate by impact against a target without the use of a fuse, whereby the nose portion, rearwardly of either a detonatable charge (2) or a component of such...	07/19/1988
4688466	Explosive initiator and method Device and method for initiating an explosive charge, for example in an aircraft canopy jettisoning system. The initiator has an operating handle which is swung from a safe position to an armed position and then pushed to move a slide and actuate a firing...	08/25/1987
4632033	Detonator for rifle grenades or the like A fuze of the type used in a rifle grenade assembly with a striker, a rotor nd a rotor lock includes one or more improvements. One pertains to the striker to prevent it from reaching a detonator-striking forward position more than once. Once it advances to...	12/30/1986
4604953	Void-sensing fuze A void-sensing fuze whose initiation is deferred until after impact forces have terminated. A safety device safeties the fuze until after the ordnance has fired. Thereafter, upon impact the fuze is committed to fire, but fires only after impact forces hav...	08/12/1986
4599945	Out-of-line interrupter ignition system for flares and markers A hollow pivot pin, with an exposed primer at its side, holds boron potassium nitrate pellets 78 for igniting a flare. A spring-loaded firing pin mechanism is attached radially to the pivot pin and is swung about it by a parachute lanyard. When the firing...	07/15/1986
4574702	Armour-piercing high-explosive projectile with cartridge On impact the primer (37) is struck by the point (33) and transmits the ignition to an explosive column (14) located in the hollow nose (4). The splinters from a metal closing piece (17) are then thrown violently into an empty duct (19) located along the ...	03/11/1986
4487127	Percussion fuse An improved construction for a percussion fuse. The fuse function has a firing pin rigidly mounted in an ignition head an adapted to coact with a percussion cap mounted in an impact member. This impact member is securedly maintained in a first position by...	12/11/1984
4480551	Point-detonating variable time-delayed fuze The fuze comprises a fuze body having a readily crushable nose cone and a thermal initiator, a thermally ignitable flash detonator and a main charge of booster explosive disposed in sequence in the body. The thermal initiator includes a cup having a close...	11/06/1984
4479436	Device for igniting safety fuse A device for igniting an article, such as safety fuse is disclosed having a body portion, (14) a chamber block (43) received in said body portion, said chamber block being movable relative to said body portion, said chamber block having a chamber (48) for...	10/30/1984
4328752	Safety and arming device for a projectile fuze A safety and arming device for an ordnance fuze for use on projectiles exposed to thermal heating by the air friction. The device comprises arming means which influenced by the heating produced on the casing of the projectile are arranged to effectuate th...	05/11/1982
4202269	Fuze mine anti-personnel 2. In an anti-personnel mine fuze, a body member having a cylindrical rec therein, an upstanding concentrical sleeve in said recess, a spring-loaded pressure plate slidable in said body and sleeve, firing mechanism for said fuze comprising a firing pin r...	05/13/1980
4158334	Safe/arm firing device An out-of-line safe/arm device for initiating an explosive deep within a thermal well which maintains the sensitive explosive elements thereof in an out-of-line position until armed by the pressures unique to the environment of the well....	06/19/1979
4116132	Inertial sensors The sensor includes a linearly movable mass including two sections and spring means urging one of the sections into operative engagement with means including an actuating element. The sensor also includes means releasably securing the two sections togethe...	09/26/1978
4091735	Stored energy impact fuze An improved stored energy impact fuze wherein a spring loaded firing pin is normally restrained in the spring loaded position by a holding mechanism which includes a ball detent positioned in a slot on the firing pin and held in place by a hinged plate. U...	05/30/1978
4047484	Fuze with bimetallic spring delay module A fuze containing a bimetallic spring delay module, which includes a bimelic Belleville spring and a pyrotechnic charge for heating the spring. The spring is capable of inverting by heat from the pyrotechnic charge and of reverting on cooling, whereby th...	09/13/1977
4037537	Method and a device for blasting A blasting cap is detonated to convey a shock wave to thereby initiate the explosion of an explosive charge by means of a remotely operable pressurized fluid operated blasting cap detonating device including a fluid pressure operating piston, a compressio...	07/26/1977
3995556	Percussion fuse for an explosive munitions shell An improved percussion fuse for a mortar or similar explosive munitions shell is described. The fuse body that interconnects the charge-carrying shell body with the shell head disposed forwardly thereof has a sleeve portion in which a radial bore is dispo...	12/07/1976
3971319	Thermally actuated percussion initiatable explosive cartridge assembly A percussion initiatable explosive assembly with means for thermal actuation of same, comprising an explosive cartridge shell with main explosive charge contained therein, and a percussion initiatable primer extending into the main charge in detonating re...	07/27/1976

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Class 102/272 - Impacting devices