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Class Information
Number: 102/247
Name: Ammunition and explosives > Igniting devices and systems > Arming devices > Blocking or interrupting type > Inertia operated
Description: Subject matter in which the blocking or interrupting means is activated or operated by the reaction of a mass to an accelerating or decelerating force.










Sub-classes under this class:

Class Number Class Name Patents
102/252 Impacting device latch 21
102/251 Rotor or slide with setback release 60
102/248 With or including a timing device 28


Patents under this class:

Patent Number Title Of Patent Date Issued
8689690 Safety and arming device with breakable lock Apr. 8, 2014
8550001 Compact and low-volume mechanical igniter and ignition systems for thermal batteries and the like Oct. 8, 2013
8490547 Methods and devices for enabling safe/arm functionality within gravity dropped small weapons resulting from a relative movement between the weapon and a rack mount Jul. 23, 2013
8479652 Methods and devices for enabling safe/arm functionality within gravity dropped small weapons resulting from a relative movement between the weapon and a rack mount Jul. 9, 2013
8434408 Multi-stage mechanical delay mechanisms for electrical switching and the like May. 7, 2013
8418617 Setback and set-forward initiated inertial igniters and activated electrical switches Apr. 16, 2013
8381650 Safety and arming unit for a fuse Feb. 26, 2013
8245641 Methods and devices for enabling safe/arm functionality within gravity dropped small weapons resulting from a relative movement between the weapon and a rack mount Aug. 21, 2012
8191476 Multi-stage mechanical delay mechanisms for inertial igniters for thermal batteries and the like having a rotatable movable member Jun. 5, 2012
8161879 Methods and apparatus for sensing acceleration Apr. 24, 2012
8104405 Ammunition firing device incorporating a firing pin Jan. 31, 2012
8061271 Programmable inertial igniters for gun-fired munitions, thermal batteries and the like Nov. 22, 2011
7832335 Axially compact and low-volume mechanical igniter for thermal batteries and the like Nov. 16, 2010
7819062 Safety and arming device for high-G munitions Oct. 26, 2010
7587979 Multi-stage mechanical delay mechanisms for inertial igniters for thermal batteries and the like Sep. 15, 2009
7587980 Mechanical delay mechanisms for inertial igniters for thermal batteries and the like Sep. 15, 2009
7530312 Inertial sensing microelectromechanical (MEM) safe-arm device May. 12, 2009
7437995 Axially compact mechanical igniter for thermal batteries and the like Oct. 21, 2008
7320286 Setback switch for safe and arm Jan. 22, 2008
7316186 Air-powered electro-mechanical fuze for submunition grenades Jan. 8, 2008
6604467 Safety system for a projectile fuse Aug. 12, 2003
6598533 Electronic time-fuse for a projectile Jul. 29, 2003
6568329 Microelectromechanical system (MEMS) safe and arm apparatus May. 27, 2003
6463856 Electronically and mechanically-operated ignition delay for cartridge-type pyrotechnic decoy flare ammunition Oct. 15, 2002
6439119 Lockable electro-optical high voltage apparatus and method for slapper detonators Aug. 27, 2002
6196130 Electrostatic arming apparatus for an explosive projectile Mar. 6, 2001
6129022 Ammunition safety and arming unit Oct. 10, 2000
5872324 Trimode fuze Feb. 16, 1999
5705767 Miniature, planar, inertially-damped, inertially-actuated delay slider actuator Jan. 6, 1998
5454322 Shock detecting device Oct. 3, 1995
5275107 Gun launched non-spinning safety and arming mechanism Jan. 4, 1994
5271327 Elecro-mechanical base element fuze Dec. 21, 1993
5244229 Mechanical crash sensor Sep. 14, 1993
5189250 Projectile for smooth bore weapon Feb. 23, 1993
4991510 Impact fuse having fore-bore safety Feb. 12, 1991
4986184 Self-sterilizing fire-on-the-fly bi-stable safe and arm device Jan. 22, 1991
4927172 Mechanical acceleration sensor May. 22, 1990
4915028 Dud de-arming device or insert for a projectile fuze Apr. 10, 1990
4896607 Boosted kinetic energy penetrator fuze Jan. 30, 1990
4815381 Multiple pulse inertial arm/disarm switch Mar. 28, 1989
4726294 Projectile impact fuze containing de-arming device Feb. 23, 1988
4694751 Explosive system for guided missiles and rocket projectiles Sep. 22, 1987
H124 Initiator assembly Sep. 2, 1986
4515081 Arrangement in a fuse for projectiles with explosive charge for changing over between direct and delayed ignition of the explosive charge May. 7, 1985
4316414 Fuze Feb. 23, 1982
4202271 Safe and arm device May. 13, 1980
4036145 Percussion fuse assembly Jul. 19, 1977
4026211 Hollow-charge shell and antitank weapon for said shell May. 31, 1977
3937146 Dual signature safety and arming mechanism Feb. 10, 1976











 
 
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