Class 102/244 - Rotor or slide

Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter in which the blocking or interrupting means
No. of patents: 33
Last issue date: 02/14/2012

Number	Title	Issue Date
8113118	Spin sensor for low spin munitions A spin sensor includes a fuze housing, a sense weight and a rotating induction device. The rotating induction device comprises a first rotatable element affixed to the fuze housing and a second rotatable element affixed to the sense weight. The second rotatable elem...	02/14/2012
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
6705231	Safing and arming device for artillery submunitions A safing and arming device is provided for a warhead or round which is to be launched by a rifled gun and which includes submunitions. A slider is disposed in a housing between a detonator and lead cup and is movable between a first, safe position wherein the slider...	03/16/2004
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
6564716	Fuzes having centrifugal arming lock for a munition A fuze for a munition adapted to prevent unintended arming thereof. The fuze incorporates an arming screw having a keyed portion and a centrifugal locking mechanism for preventing rotation of the arming screw unless the fuze mechanism is in a rapidly spin...	05/20/2003
6530324	Fuze mechanism for a munition A munition incorporating a fuze mechanism adapted to prevent momentary disarming of the mechanism once same is placed in an armed state. The fuze mechanism incorporates a fuze housing having a slide member movable slidably longitudinally between an unarme...	03/11/2003
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
6035783	High performance fuze A fuze device for use with a detonator on munitions. A cup and ogive assembly includes an ogive post for aft axial movement upon impact of the device and activation of a spitback lead on the cup. An ogive post activates a first firing pin when the ogive i...	03/14/2000
5686692	Single fuse follow-through grenade A follow-through grenade is provided which utilizes a primary fuze to trir both the main warhead and a delayed secondary fuze system. The main warhead explosion is used to breach barriers behind which enemy personnel are located. When the primary explosi...	11/11/1997
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
5526749	Laser detonated projectile apparatus An intelligent projectile that can be detonated at a predetermined range via a wide angle infrared laser. The projectile is fitted with a detector that is sensitive to the frequency of a wide angle laser beam that is attached to the weapon. Using the rang...	06/18/1996
5269223	Piezoelectric fuse system with safe and arm device for ammunition A self-powered fuze apparatus for a projectile containing an explosive charge which comprises a first housing containing a mechanical safety device for releasably preventing undesired movement of a detonator cup holder containing a detonator from an unarm...	12/14/1993
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
4798139	Solenoid-operated devices A solenoid-operated device, and especially a weapon-arming device, subject to inertial forces is provided in which the solenoid armature is operatively coupled to a counterbalancing mass operatively constrained to move in synchronism with but oppositely t...	01/17/1989
4662278	Fuse assembly A fuse assembly embodying a detonator movable by centrifugal force into alignment with a firing pin held retracted by a drogue and drag line and movable forwardly into engagement with the detonator by impact, the fuse assembly being attached to a grenade ...	05/05/1987
4574702	Armour-piercing high-explosive projectile with cartridge On impact the primer (37) is struck by the point (33) and transmits the ignition to an explosive column (14) located in the hollow nose (4). The splinters from a metal closing piece (17) are then thrown violently into an empty duct (19) located along the ...	03/11/1986
4494459	Explosive projectile A feature of this invention is the provision of a forward, armor piercing, high explosive charge and an aft anti-personnel high explosive charge in a shrapnel providing casing, both charges being functioned by a single, deceleration sensitive, detonator a...	01/22/1985
4464992	Sector type initiator for artillery projectiles Impact with a resistant media at adequate forward velocity and rate of rotation causes a pivoted sector weight to shear a retaining shear pin and rotate quickly, bringing a firing pin on the sector weight into violent contact with a percussion primer and ...	08/14/1984
4449457	Safety device for the fuzes of nonspinning or slowly spinning projectiles 44A fuze is provided for projectiles of the nonspinning and slow spinning types which possess a rotor that carries a detonator, and a first safety device preventing the rotor from bringing the detonator to an active position. The first safety device is re...	05/22/1984
4432283	Projectile fuse responsive to the spinning motion of a projectile A projectile fuse has two activating devices acting independent of each other. One of the devices includes a plurality of wafer-like sectors which are retained together as a unitary disk by means of a coil spring having 1.5 to 2 convolutions. The disk is ...	02/21/1984
4429633	Impact igniter The invention deals with an impact igniter (1) for projectiles with a fuse (15) acting as a transport safety and delayed arming device. By partitioning off the fuse (15) and the striker pin (7, 17) located behind it forward in the projectile trajectory di...	02/07/1984
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
4418621	Mechanism for a rotating projectile fuze The mechanism comprises two toothed rotary bodies (1,2) sensitive to the gyratory centrifugal force of the projectile. The rotary bodies (1,2) mesh with each other. The body (1) simultaneously meshes with a toothed pinion (9) the shaft (10) of which carri...	12/06/1983
4223608	Safety device for percussion-fuse of rifled missiles In a rifled missile having a primer tube or firing channel, a safety device adapted to coact with a percussion fuse. The safety device is disposed in the missle transversely across the primer tube between the impact-sensitive primer and a booster charge. ...	09/23/1980
4215635	Safe and arming device An improved safe and arming device for isolating the fuse from the main eosive charge in spin stabilized shells to prevent premature detonation of such shells. The improved safe and arming device comprises a housing adapted to be positioned intermediate ...	08/05/1980
4167905	Hand grenade fuze with self-induced spin for arming A hand grenade is provided with a fuze comprising: a firing means, means luding two centrifugally-operated elements movably carried by the grenade housing for arming the firing means, means including an inertia member rotatable relative to the housing an...	09/18/1979
4109583	Projectile fuze A low cost graze sensor fuze arrangement for a point detonating spin stabzed projectile in which firing pin actuation for detonation purposes is accomplished where the projectile may only graze the target and a graze sensor element will cam a firing pin ...	08/29/1978
4092927	Delay arming mechanism for fuzes A fuze is disclosed for use on projectiles fired generally at high speed. A unique delay arming mechanism is incorporated which utilizes pressure build-up within the fuze to control the period of delay in arming the fuze. The delay mechanism is unique in ...	06/06/1978
4090450	Safety device An improved safety device for a projectile includes a movable element which selectively positions a priming cap in position to ignite the charge of the projectile. A safety plate separating the priming cap and the main charge of the projectile is pierced ...	05/23/1978
4026216	Arming fuze for artillery shell A fuze for an artillery shell to be spun about an axis generally parallel to the direction in which it is fired comprises a housing formed with a central axially extending sleeve and with a chamber surrounding the sleeve. A pin is axially slidable in the ...	05/31/1977
4015532	Energy generator for rotating projectiles An energy generator for rotating projectiles which may be adapted to prod either electrical or mechanical energy. An armature in the form of a rotatable disc is offset from the spin axis of the projectile towards the outer periphery thereof. The disc is ...	04/05/1977
3956992	Wide-angle inertial impact fuze An inertial-type all-way fuze for explosive projectiles comprises: a cup-ped housing having an axial bore at its forward end and a detonator mounted in a spin-armed slide movable into alignment with the bore; a firing member having a shaft slidable in th...	05/18/1976

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Class 102/244 - Rotor or slide