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Class Information
Number: 102/249
Name: Ammunition and explosives > Igniting devices and systems > Arming devices > Blocking or interrupting type > Inertia operated > With or including a timing device > With setback latch
Description: Subject matter having means to hold the timing device inoperative until released by a setback force.

Patents under this class:

Patent Number Title Of Patent Date Issued
8418617 Setback and set-forward initiated inertial igniters and activated electrical switches Apr. 16, 2013
7849798 Air-powered electro-mechanical fuze for submunition grenades Dec. 14, 2010
7819062 Safety and arming device for high-G munitions Oct. 26, 2010
7762190 MEMS mechanical initiator for a microdetonator Jul. 27, 2010
7587979 Multi-stage mechanical delay mechanisms for inertial igniters for thermal batteries and the like Sep. 15, 2009
7552681 MEMS fuze assembly Jun. 30, 2009
7530312 Inertial sensing microelectromechanical (MEM) safe-arm device May. 12, 2009
7478595 Base mounted airburst fuze for projectile Jan. 20, 2009
7398734 MEMS resettable timer Jul. 15, 2008
7383774 Microelectromechanical safing and arming apparatus Jun. 10, 2008
7051656 Microelectromechanical safing and arming apparatus May. 30, 2006
7004072 Magnetically sensed second environment safety and arming device Feb. 28, 2006
6604467 Safety system for a projectile fuse Aug. 12, 2003
6318270 Safety element particularly for a fuze of a substantially non-spinning projectile Nov. 20, 2001
6240848 Device for firing a pyrotechnic propellent composition Jun. 5, 2001
5886284 Missile safety system for assuring minimum safe distance Mar. 23, 1999
5763818 Illuminant igniter pellet ignition system for use in a decoy flare Jun. 9, 1998
5693906 Electro-mechanical safety and arming device Dec. 2, 1997
5131328 Safety and arming system for tube launched projectile Jul. 21, 1992
4949639 Temperature-compensated, acceleration-activated igniter Aug. 21, 1990
4938139 After-firing safety device in a projectile with percussion fuze Jul. 3, 1990
4876960 Fuse for low-spin or non-spin projectiles Oct. 31, 1989
4739705 Arming and motor ignition device Apr. 26, 1988
4683823 Safety device for a projectile fuse Aug. 4, 1987
4677914 Safety device for a spinning projectile fuze Jul. 7, 1987
4676165 Detonator for rifle grenades or the like Jun. 30, 1987
4606271 Fuse with a piercing head for a projectile Aug. 19, 1986
4457232 Artillery fuze for practice and tactical munitions Jul. 3, 1984
4419934 Safety apparatus for a spinning projectile fuse Dec. 13, 1983
4389937 Fuze for non-spinning projectiles Jun. 28, 1983
4337701 Electromechanical warhead safety-arming device Jul. 6, 1982
4320706 Percussion head fuse for an explosive projectile Mar. 23, 1982
4217828 Safety device for fuses Aug. 19, 1980
4212245 Bottom fuse Jul. 15, 1980
4128061 Safety system for a projectile fuse Dec. 5, 1978
4119040 Variable time fuze Oct. 10, 1978
4004520 Time fuse Jan. 25, 1977
3978798 Fuze mechanism having integrated safety functions Sep. 7, 1976

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