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| Number | Title | Issue Date |
| 7367268 | Safety and arming device for a spinning projectile fuze A safety and arming device (10) for a spinning projectile fuze, which has a fuze housing (12), which is in the form of a pot, and a bearing body (14) with a booster charge (16). A spherical rotor (42) with a detonator (44) i... | 05/06/2008 |
| 7360486 | Safety system for the ignition chain of a projectile fuze A small arms projectile for a small arms weapon, which projectile comprises a warhead having an explosive charge, an initiator, and a firing pin. The initiator has safe and armed conditions and is capable of detonating the explosive charge of the warhead when the in... | 04/22/2008 |
| 7320286 | Setback switch for safe and arm A switch mechanism is provided that has a tubular enclosure; a contact pin electrically insulated from the tubular enclosure; a g-weight positioned inside the tubular enclosure and movable from an open position to a closed position; and a transparent closure that en... | 01/22/2008 |
| 7258068 | Safety and arming apparatus and method for a munition A safety and arming mechanism for a munition having a housing with a first detonator and an explosive mounted within the housing and in alignment with one another. A shaft is mounted within the housing. A first component is rotatingly fixed to the shaft and is movea... | 08/21/2007 |
| 7168367 | Submunition fuze An improved fuze for a submunition grenade designed to be launched from a cargo projectile comprising a fuze, a charge and a casing; the improved fuze comprising a fuze housing; a threaded firing pin having a pointed tip, oriented coaxially with the sub... | 01/30/2007 |
| 7148436 | Microelectromechanical acceleration-sensing apparatus An acceleration-sensing apparatus is disclosed which includes a moveable shuttle (i.e. a suspended mass) and a latch for capturing and holding the shuttle when an acceleration event is sensed above a predetermined threshold level. The acceleration-sensing apparatus ... | 12/12/2006 |
| 7069861 | Micro-scale firetrain for ultra-miniature electro-mechanical safety and arming device A microscale firetrain for a safe and arm device having a safe position and an armed position, the firetrain including an input explosive column having a longitudinal axis; a transfer charge having a longitudinal axis and first and second ends and movable from a saf... | 07/04/2006 |
| 7051656 | Microelectromechanical safing and arming apparatus A two-stage acceleration sensing apparatus is disclosed which has applications for use in a fuze assembly for a projected munition. The apparatus, which can be formed by bulk micromachining or LIGA, can sense acceleration components along two orthogonal directions t... | 05/30/2006 |
| 6701854 | Detonator to be installed in a chamber and safety container comprising it A detonator is intended to be installed in a chamber equipped with a blockable access opening. The detonator includes a member for initiating a pyrotechnic chain and a casing for confining the initiation member. The casing includes, facing the initiation ... | 03/09/2004 |
| 6634301 | Enclosed ignition flare igniter An enclosed ignition flare igniter that includes a housing and two slider assemblies. The housing includes a first portion and a second portion. The two slider assemblies are disposed within the housing; each slider assembly has an armed position and a sa... | 10/21/2003 |
| 6588343 | Igniter system for a flare An igniter system for a flare that includes a housing, a slider assembly, and a piston assembly. The housing includes two ignition portals for holding ignition pellets. The slider assembly is disposed within the housing, and includes two sliders and a spr... | 07/08/2003 |
| 6568329 | Microelectromechanical system (MEMS) safe and arm apparatus A MEMS type safe and arm apparatus for a fuze includes a setback slider responsive to a first setback acceleration, the setback slider moving linearly in response to the first setback acceleration; a setforward slider responsive to a first setforward acce... | 05/27/2003 |
| 6431071 | Mems arm fire and safe and arm devices Miniature arm fire and safe and arm devices include an electrically operated pyrotechnic initiation device (5) to generate a detonation wave upon command and a movable pressure barrier (9) that blocks propagation of the detonation wave if the device is no... | 08/13/2002 |
| 6389976 | Hard target fuze A safe-and-arm device for a projectile fired from a smooth bore gun has a rotor that rotates between a safe position and armed position. A setback sensor retains the rotor in the safe position until an acceleration of the projectile causes the setback sen... | 05/21/2002 |
| 5932834 | Auto-destruct fuze The Auto-destruct fuze is a mechanism that provides a primary mode detona and a delayed auto-destruct/self-neutralize mode detonator function for a grenade or similar munition. The mechanics for the primary mode detonation is similar to the M223 fuze whi... | 08/03/1999 |
| 5889227 | Safety mechanism for preventive premature detonation of an explosive projectile An explosive projectile carrying an active charge is to be launched from a barrel. Detonation of the charge requires that a firing pin be driven to a firing position where it impacts a percussion cap. The firing pin is held in a safety position by a barre... | 03/30/1999 |
| 5763818 | Illuminant igniter pellet ignition system for use in a decoy flare A decoy flare ignition system is disclosed which includes an ignition initiator disposed at the aft end of the flare housing. An illuminant igniter is positioned in direct contact with the flare illuminant. The illuminant igniter includes at least one ill... | 06/09/1998 |
| 5670736 | Priming system for the explosive charge of a submunition on board a carrier A priming system for the explosive charge of a sub-munition carried on board a carrier comprises a main firing pin, a primer tube operative to move from a safety position to an armed position, at least two devices to lock the primer tube in the safety pos... | 09/23/1997 |
| 5594195 | Miniature, low power, electromechanical safety & arming device The blocking disc serving as an explosive train interrupter of a safety and rming mechanism is angularly displaced from its safe position by a stepping motor through reduction gearing in response to timed energizing pulses applied thereto from a crystal-co... | 01/14/1997 |
| 5561259 | Decoy flare with sequencer ignition A decoy flare with a sequenced ignition is disclosed. The flare comprises a case including an aperture for an impulse cartridge, a segment of pyrotechnic material and a sequencer igniter. The sequencer igniter includes a housing having an aperture, an ign... | 10/01/1996 |
| 5454322 | Shock detecting device A shock detecting device includes a housing, a weight disposed in the housing and moved by a shock which is more than a predetermined value from outside, an output member rotatably disposed in the housing and rotated in response to the movement of the wei... | 10/03/1995 |
| 5101470 | Fiber optic light sensor for safing and arming a fuze An arrangement used in safing and arming a munition fuze includes a light sensor, a magnet, and a circuit composed of an inductor coil, a storage capacitor, and a photosensitive device. The light sensor is a fiber optic cable which responds to a flash of ... | 03/31/1992 |
| 5063847 | Fuse for a projectile A fuse for a projectile comprises a first igniter. A rotor is rotatable to bring a second igniter and a detonator into a live position in alignment with the first igniter. The second igniter and detonator are spaced apart to define a recess therebetween. ... | 11/12/1991 |
| 4986184 | Self-sterilizing fire-on-the-fly bi-stable safe and arm device A safe and arm device for aligning elements of an energy transfer mechanism of an ammunition fuze includes an inertial mass, an energy transfer mechanism interrupt barrier component and an energy-loadable spring, all movably mounted in a bore of a housing... | 01/22/1991 |
| 4953475 | Safety-arming system for launched projectiles Arming of a detonator carried within a tube-launched projectile is delayed n accordance with an operational program of a safety-arming system initiated by simultaneous and independent detection of projectile propulsion involving pressure generated by an ac... | 09/04/1990 |
| 4915028 | Dud de-arming device or insert for a projectile fuze The dud de-arming device serves to de-arm a fuze of a projectile which has remained lying on the ground or the place where it landed as a dud in order to prevent the discovered dud from still exploding when touched or moved. As to spinning projectiles the... | 04/10/1990 |
| 4901643 | Pyrotechnic fuze for projectiles A pyrotechnic fuze for projectiles, rockets, bomblets and mines, which is basically a pyrotechnic self-destruct device, in which a triggering device for a pyrotechnic delay arrangement is arranged within a housing. The triggering device consists of an ign... | 02/20/1990 |
| 4848235 | Submunition member with laterally outwardly-movable target detection device A rotating submunition member which, subsequent to ejection from a carrier, incorporates a target detection device projecting outwardly beyond the wall contour of the member in an operating position; and a fuze arrangement for a detonator which is dispose... | 07/18/1989 |
| 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 |
| 4726294 | Projectile impact fuze containing de-arming device It happens time and again that a fuze does not function and that the projectile remains in the field or the place where it landed as a dud. When such a dud is found the danger exists that it might explode upon the finder's touch or when moved or lifted. T... | 02/23/1988 |
| 4704965 | Blind-setting device for a detonator A blind-setting or protective blocking device for a detonator, in particular for a detonator of a launched bomb, in which a release or tripping lever maintains a securing slider in a secured position. The tripping lever is maintained against the force of ... | 11/10/1987 |
| 4683823 | Safety device for a projectile fuse A projectile fuse comprises a rotor rotatable from a safety position to a live position. A slide is arranged to immobilize the rotor in its safety position. A piston is operably connected to the slide for displacing the slide to release the rotor for rota... | 08/04/1987 |
| 4603635 | Dual safing for base element fuze A base element fuze having dual safing is disclosed. The fuze is useful with an explosive type shell propelled into a ballistic trajectory from the barrel of a gun. The fuze is actuated to move from first safety to the armed condition after experiencing t... | 08/05/1986 |
| 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 |
| 4573411 | Safety device for a weapon detonator or fuse A compact safety device for a fuse or detonator for a weapon such as a bastic projectile to be fired or launched from a tube, is protected against the propellant charge gas pressure by a lightweight, yet pressure tight housing provided with double closur... | 03/04/1986 |
| 4550661 | Safety device for ammunition The invention is directed to the provision of a safety device to prevent premature detonation of ammunition, particularly low spin projectiles of the type in which a primer pellet is positioned in a rotor which rotates from an unarmed to an armed position... | 11/05/1985 |
| 4534292 | Self-destruct device for spin-stabilized projectile detonators A self-destruct device for the detonators of spin-stabilized projectiles, wherein a generally crescent-shaped locking lever is pivotably supported on a circular disc-shaped plate which extends perpendicular to the longitudinal projectile axis. In its exte... | 08/13/1985 |
| 4449454 | Safety mechanism for an explosive body An explosive body such as a rocket, bomb, cluster shell, or the like is pided with a safety mechanism which assures that the explosive body cannot explode in its launching tube nor shortly after leaving the launching tube. The mechanism also makes sure t... | 05/22/1984 |
| 4448129 | Telescopic projectile The invention relates to a projectile having a head extended by a tubular tail and containing an explosive charge as well as a firing chain for the latter. The tail is made of two telescopic tubular parts, one of which is integral with the head and togeth... | 05/15/1984 |
| 4407201 | Retard sensor and energy converter The method of performing an arming operation in a falling munition which comprises the steps of decelerating the munition, quickly converting a portion of the energy of deceleration to potential energy, and slowly utilizing the potential energy to perform... | 10/04/1983 |
