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| Number | Title | Issue Date |
| 7370584 | Second environment sensing in smart bombs A safety and arming apparatus for arming a fuze of a smart weapon comprise a release sensor and a verification maneuver sensor in cooperative electronic communication with each other, such that when the release sensor senses that the weapon has been released and the... | 05/13/2008 |
| 7334523 | Fuze with electronic sterilization A fuze may include a detonator, a firing capacitor and a control circuit. The firing capacitor may be charged to a nominal operational voltage, wherein when the firing capacitor is discharged across the detonator, an external explosive charge may be detonated. The f... | 02/26/2008 |
| 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 |
| 7055437 | 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... | 06/06/2006 |
| 6992877 | Electronic switching system for a detonation device An apparatus for electronically switching a detonation device is configured to arm an energy source upon receiving a first signal and discharge the energy source to the detonation device upon receiving and validating a second signal. An explosive device comprising a... | 01/31/2006 |
| 6964231 | Miniature MEMS-based electro-mechanical safety and arming device A MEMS type safety and arming device includes a substrate; a frame disposed on the substrate; a setback slider disposed in the frame, the setback slider moving linearly in response to a setback acceleration; an arming slider disposed in the frame, the arming slider ... | 11/15/2005 |
| 6318270 | Safety element particularly for a fuze of a substantially non-spinning projectile A projectile fuze includes a detonator carrier having a safety position and an armed position; a pin having a blocking position in which it holds the detonator carrier in the safety position and a releasing position in which the pin allows the detonator c... | 11/20/2001 |
| 6237495 | Self-destructing impact fuse A self destructing impact fuse including a cylindrical firing pin having a hollow centrifugal chamber for holding a number of spheres and a number of radial openings on its surface for exposing portions of the spheres when the chamber is spun. At one end ... | 05/29/2001 |
| 5585592 | Shock tolerant fuze A shock tolerant fuze includes a detector for determining when fuze timing should be initiated, a movable safe and arm assembly containing a time delay circuit and a firing aperture. The firing train detonator is preferably also mounted on the movable arm... | 12/17/1996 |
| 5467713 | Ignition and safty device for a grenade projectile provided with a shaped charge insert An ignition and safety device for a grenade projectile provided with a shaped charge insert and having a bottom-side impact fuse that has a spin-dependent safety element and acceleration-dependent safety element (14, 17), and a self-destruct device. The s... | 11/21/1995 |
| 5355801 | Small caliber fuze with arming delay, second impact and graze sensitivity The objectives of these inventions are to provide simple, reliable, and low-cost mechanical means to obtain (1) second impact detonation and (2) substantial safe arming separation from the gun for point detonating fuzes for small caliber spin stabilized s... | 10/18/1994 |
| 5275101 | Pyrotechnic chain igniter for cargo warhead submunition A pyrotechnic chain igniter device for cargo warhead sub-ammunition including an explosive charge contained in an enclosure, comprising a first striker mobile in a longitudinal bore of a body for striking a primer, a slider carrying the primer, the slider... | 01/04/1994 |
| 4969397 | Grenade-type projectile A grenade projectile has a projectile housing having a fragmentation length portion; an explosive charge accommodated in the projectile housing and being surrounded by the fragmentation length portion; a forwardly acting shaped charge liner bounding the e... | 11/13/1990 |
| 4938139 | After-firing safety device in a projectile with percussion fuze An after-firing safety device in a projectile with percussion fuze includes a spiral spring set having at least three springs wound up in series with respectively opposite directions. The spring set, maintained under tension by a cage, starts to uncoil as... | 07/03/1990 |
| 4869172 | Safe and arm device for spinning munitions The invention relates to a safe and arm mechanism for an exploding projectile to be fired from a rifled gun. The projectile first experiences axial and angular acceleration which moves a setback ball to initially arm the mechanism. A third projectile para... | 09/26/1989 |
| 4796532 | Safe and arm device for spinning munitions The invention relates to a safe and arm mechanism for an exploding projectile to be fired from a rifled gun. The projectile first experiences axial and angular acceleration which moves a setback ball to initially arm the mechanism. A third projectile para... | 01/10/1989 |
| 4770096 | Safing and arming mechanism A safing and arming (S&A) device 20 for a spin stabilized projectile 16 having an electronic fuzing system 18 which produces an electrical arming signal after the projectile 16 is fired. The cylindrical S&A housing 26 has two faces 28, 30 and a blow throu... | 09/13/1988 |
| 4677914 | Safety device for a spinning projectile fuze A safety device for a fuze of a spinning projectile comprises a spin acceleration safety element and a firing forward acceleration safety element. The firing forward acceleration safety element contains a ball displaceable by the action of the firing forw... | 07/07/1987 |
| 4662279 | Safing and arming device In a weapon subject to a sequence of high acceleration followed by high spin and including a detonator and an explosive charge; the improvement comprising a barrier located between the detonator and explosive charge to normally form an obstruction to prev... | 05/05/1987 |
| 4464991 | Safety device for fuses of spinning projectiles A fuse for a spinning projectile comprises a rotor having safety elements which prevent rotation of the rotor to an active position. The safety elements are arranged such that when the safety elements are properly installed, the center of gravity of the r... | 08/14/1984 |
| 4457232 | Artillery fuze for practice and tactical munitions A fuze includes a conically shaped body having a central longitudinal chal communicating with a rearward central chamber, a firing pin assembly containing a primary and a biased secondary firing pin disposed in the channel, a delay arming assembly dispos... | 07/03/1984 |
| 4419934 | Safety apparatus for a spinning projectile fuse A safety apparatus for a spinning projectile fuze comprises a rotor with which there is operatively associated a toothed segment which, under the action of the spin, drives a retarding or restraining mechanism and following expiration of the action of the... | 12/13/1983 |
| 4334475 | Proximity fuses A fuse provided with a detonator which is ignited by an electrical ignition signal is described. The detonator has a first terminal normally connected to earth and supported by a rotatable member which can move the detonator from a first position in which... | 06/15/1982 |
| 4230042 | Point-detonating impact fuze This is a new point-detonating fuze for spin-stabilized munitions. The fuze has three modules housed in a two-piece body, designed to optimize the penetration capability and to adjust the weight of the fuze. The upper body carries the point-detonating mod... | 10/28/1980 |
| 4154169 | Safety device for a pyrotechnic assembly The invention relates to a safety device for a pyrotechnic assembly in a projectile, comprising a fire-screening flap disposed between an ignition primer and explosives, said flap being mounted so as to be escapable under the action of a mechanism provide... | 05/15/1979 |
| 3962973 | Time delay control mechanism A time delay mechanism for projectiles utilizing angular acceleration to control the flow of a granular material. The angle of the path of the flow with respect to the radius vector is used to differentiate between constant angular velocity and angular ac... | 06/15/1976 |
