Class 102/248 - With or including a timing device

Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter including means to delay the functioning
No. of patents: 25
Last issue date: 03/20/2007

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Number	Title	Issue Date
7191707	Spherical rolling explosive ordinance The spherical rolling explosive ordnance is a bomb having a substantially spherical shaped structure that includes a hard outer shell and a shock absorbing outer layer. The spherical shaped structure has a hollow inner core that is symmetrically disposed about an ax...	03/20/2007
7004072	Magnetically sensed second environment safety and arming device The fuze is armed only if muzzle exit is sensed by a magnetic sensor within a predetermined time after setback is sensed and either one or both of a minimum spin rate is sensed by the magnetic sensor and/or a minimum number of turns are counted. ...	02/28/2006
6789483	Detonator utilizing selection of logger mode or blaster mode based on sensed voltages An electronic blasting system in which the electronic detonator, when attached to a blasting machine or logger, automatically senses and determines whether it is attached to a blasting machine or a logger, preferably by utilizing a different operating voltage for th...	09/14/2004
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
6463856	Electronically and mechanically-operated ignition delay for cartridge-type pyrotechnic decoy flare ammunition The invention relates to an electronically and mechanically-operated ignition delay which is used in cartridge-type pyrotechnic decoy flare ammunition. Said ignition delay comprises a cylindrical sleeve (10), containing an ignition device (1) in the base,...	10/15/2002
6401621	Electronic safe and arm apparatus for initiating a pyrotechnic An electronic safe and arm apparatus disposed in a projectile having a spin axis and a spin rate includes a battery; a power supply board connected to the battery, the power supply board including a mechanical G-switch that closes permanently at a predete...	06/11/2002
6260483	Remote radio controlled plasma firing system In a radio remote blasting system, a radio receiver triggers a blocking oscillator which generates a high voltage output. A rectifier rectifies the high voltage output and charges a capacitor, which is coupled to a plasma arc generator to apply the capaci...	07/17/2001
5693906	Electro-mechanical safety and arming device An apparatus and method for safing and arming a projectile is disclosed. The apparatus utilizes an out of line rotor configuration where the detonator is mounted in the rotor. In the safe position, the detonator is out of line with an explosive lead. The ...	12/02/1997
5249526	Safe and arm device A safe and arm device has a cylindrical body from which a plurality of exsive leads diverge from a rotor movable through an arming angle to electrically and mechanically arm a plurality of detonators and has a rotary solenoid with a shaft oscillating a p...	10/05/1993
5245926	Generic electronic safe and arm This disclosure is directed to the use of application specific integrated rcuits in safe and arm devices. The application specific circuits each comprising a buffer means for forming an environmental interface and providing input to a microcontroller, lat...	09/21/1993
5081929	Projectile having a movable interior fuze In a fuse arrangement, which can be used in both low velocity and in high velocity gun-launched grenades, which has a rotationally responsive fuse timing mechanism arranged in a fuse casing, The fuse casing being tiltable and axially movable upon impact o...	01/21/1992
5018449	Paint dispersing training grenade A paint dispersing training grenade includes a grenade body having dispersing passages extending between a central bore and an external surface of the grenade body, a plug threadedly received in one end of the bore, a piston resiliently urged by a spring ...	05/28/1991
4815381	Multiple pulse inertial arm/disarm switch The device, in a first embodiment, has utility for operation on a dual pulse missile including a booster segment for launching and includes several main components, as follows: an inertial mass, a shaft with a zig zag channel, a gearless electric motor, a...	03/28/1989
4729316	Projectile containing a pyrotechnic charge and means for delayed initiation of the charge A projectile comprises a pyrotechnic charge and a mobile member inside the projectile which rotates between a safe position and an armed position. At least part of a pyrotechnic delay device is accommodated in a passage in this mobile member. The pyrotech...	03/08/1988
4724765	Projectile comprising a pyrotechnic charge A projectile has a central part relative to the longitudinal direction of the projectile which is the direction in which it is fired. The projectile contains a pyrotechnic charge in the form of two identical operational charges. These are offset longitudi...	02/16/1988
4722278	Cartridge A cartridge comprises a longitudinal tube having a transverse open end. A projectile is accommodated in and can slide longitudinally inside the tube. The projectile is ejected from the tube through the open end by sliding longitudinally relative to the tu...	02/02/1988
4722277	Safety means for an ordnance fuze A safety means for an ordnance fuze. The arrangement includes an arming rotor (1) which is held in a safe position (A) by means of a half-shaft (6) which in the safe position of the rotor engages a first recess (7) located in the rotor. A clock mechanism ...	02/02/1988
4716830	Inertia safety and arming device An inertial mass is forced from an initial position against a compression spring by sustained acceleration of a predetermined value to travel to the end of a zig-zag channel where it is locked into place in engagement with four contacts and thereby enable...	01/05/1988
4699057	Mortar shell time fuse A mortar shell time fuse of the type which consists of a body and a head, and characterized because it is comprised of: (a) a secondary mass floating upon a return spring in a hole in the body; (b) means for holding the secondary mass at rest; (c) a gear train subj...	10/13/1987
4430938	Fuze safety device The invention relates to a fuze safety device (1) for an ammunition unit such as a projectile, shell, rocket or the like. The safe and armed conditions of the fuze safety device are defined by a movable slide or rotor member which takes a first position i...	02/14/1984
4421033	Exercise projectile Exercise projectile substantially of a configuration defined by a pointed head prolonged by a tail-piece, characterized in that the projectile contains at least one explosive charge and an associated device for delayed firing, the duration of the delay su...	12/20/1983
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
4078497	Liquid timing device having a floating mass The timing device of this invention includes a housing which contains at least one mechanism whose motion is partially controlled by a liquid which substantially fills the housing and by a mass having a density approximately equal to or less than that of ...	03/14/1978
3976011	Inertial arming device for a fuse 1. A fuse suitable for use in a body to be accelerated toward a target area comprising a base, a solenoid including a spring-biased armature disposed in said base, an explosive train including in sequence a detonator disposed in said base, a lead plunger ...	08/24/1976
3955508	Acceleration integrating switch 1. An acceleration responsive timing device comprising A substantially cylindrical housing, A motor and gearing contained within said housing, A shaft coupled to said gearing to be rotated thereby at a predetermined e, said shaft being coaxial with said cylindrica...	05/11/1976

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Class 102/248 - With or including a timing device