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4379405 |
Force transducer, particularly for ballistic pressure measuring
A force transducer, particularly for the ballistic measuring of the combustion pressure in the cartridge case of a firearm, is disclosed which includes a force transmission element which rests with...
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4376388 |
Shock simulator
A projectile ground shock simulator for simulating the force pulse on a pectile in testing for shock effect on the guidance system of the projectile. The simulator incorporates a liquid/solid...
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4356720 |
Burst-pressure test fixture for pressure vessels dynamic rocket motors
A method for burst testing a vented pressure vessel accurately measures the rue burst pressure of the vented pressure vessel. The method employs a burstpressure test fixture which comprises a plug...
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4345460 |
Multi-caliber projectile soft recovery system
An apparatus and method for soft recovery of a projectile is disclosed. A formable element is placed in the path of the projectile, whereby the projectile becomes embedded in the element upon...
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4342223 |
Method and apparatus for calibrating firing pin impact
An impact calibrator for use with firearms is disclosed. Impact of the firing pin on a cartridge unit creates a voltage signal detectable by a calculator unit. The calculator unit computes and...
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4334423 |
Warhead fragmentometer
A method and apparatus are described for the determination of the mass and ocation of fragments from a warhead. The fragments are caught in a stack of soft panels placed in the line of fire. Each...
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4333385 |
Gun sighting apparatus
An apparatus for adjusting gun sights, particularly telescopic sights on rifles, wherein the rifle is mounted upon and rigidly clamped to, a gun support which is slidably supported upon a base...
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4317373 |
Fatigue cycle sensor and method
A fatigue cycle sensor can integrate force with respect to time. The sensor has a body with a bore. A plunger is mounted in the bore for relative motion therethrough in response to force applied...
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4300389 |
Soft recovery method for gunfired shells
An apparatus and method for soft recovery of a projectile is disclosed. An lement, at least a portion of which is deformable, is placed in the path of the projectile, whereby the projectile becomes...
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4283989 |
Doppler-type projectile velocity measurement and communication apparatus, and method
Projectile velocity measurement and communication apparatus comprises a microwave probe fixed to a projectile barrel near a muzzle end. An oscillator, having a reference frequency selected for...
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4280355 |
Fuze data quantizing system
The present invention discloses an in-flight testing of projectile and mor fuzes. A microminiature electronic circuitry in a cartridge form is designed to attach to any of the large caliber shell...
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4263807 |
Gun barrel stress simulator
A simulator has a barrel arranged to launch a projectile. The simulator iudes a stress device for stressing the barrel. This stress device comprises a piston slidably mounted within the barrel....
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4249411 |
Zero-g massmeter
An apparatus for determining the mass of an unknown object in a zero gravity environment having an impact plate connected at one end of a spring with the other end connected to an object of known...
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4218912 |
Ballistic drive synchronizer
A method and apparatus is provided to measure and adjust the tracking error etween a computer controlled ballistic drive mechanism such as is used on the main gun of the U.S. Army's main battle...
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4155647 |
Optical apparatus for ballistic measurements
An optical apparatus, particularly suited for use in a ballistic measurement device, including a laser generating a laser beam, an optical means for expanding the laser beam in a plane, and an...
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4147055 |
Apparatus for determining projectile position and barrel pressure characteristics
Measurement and correlation of chamber pressure and projectile position d is accomplished using an array of phototransistors, illuminated by collimated light, which phototransistors are...
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4137566 |
Apparatus and method for analyzing a golf swing and displaying results
A measurement system obtains and stores digital data on the positions of golf club and significant human body parts during a golf club swing. An interactive display allows later display of the...
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4136387 |
Golf club impact and golf ball launching monitoring system
Electro-optical sensors measure the location of a plurality of spots on the surface of a golf club head or a golf ball at a minimum of two precisely spaced points in time. The two time points for...
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4131012 |
Device for detecting impacts on a target
A device for detecting impacts on a target, comprising a vibration sensor which supplies a signal which is amplified, high-pass filtered, squared and integrated, the integration being controlled by...
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4129829 |
Chronograph
An apparatus for measuring velocity of a bullet is shown. A portable clamping device securely holds the barrel of a gun in position during firing. A bullet fired from the gun is projected through...
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4126039 |
Projectile strain damage indicating device
A projectile strain damage indicator utilizes a plurality of strain gages xedly disposed on the orthogonal axes of a structural beam member which is operatively located within the ogive of a...
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4083238 |
System for testing proximity fuzes
A system for testing the performance and vulnerability of proximity fuzes der simulated live hardware conditions. The performance of the system is evaluated by the application of a repeater jammer...
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4081988 |
Pressure transducer calibration
A calibration arrangement in combination with ammunition testing apparatus comprising an elongated test barrel and a piezoelectric transducer mounted in the barrel and having a contoured end...
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4069702 |
Method and apparatus for testing the run-out and recoil control systems of a gun
A method and apparatus for testing and evaluating the runout and recoil control systems for a gun in which a body having a mass representative of the mass of the moving parts of the gun is...
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4038869 |
Simulator for setback followed by drag
Projectile component testing. A projectile carrying test components is imted against a mitigator backed by a momentum exchange mass, inside a tube to simulate setback. As the momentum exchange mass...
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4033185 |
Wind-tunnel simulator
A novel wind-tunnel simulator produces a flow of a gas over a spinning trr projectile to simulate the flame shape from the tracer projectile as though in actual flight. The wind-tunnel simulator...
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4030097 |
Muzzle velocity chronograph
A chronograph uses a Doppler radar technique to determine the muzzle velocity of a bullet discharged from small arms such as pistols and rifles. A radar unit is placed in near proximity to the...
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4022053 |
Projectile guide track
A projectile guide track having a plurality of track assemblies in aligned relationship with one another. Each track assembly contains fixedly spaced rails for supporting a projectile during flight...
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4019273 |
Three-barrel pistol, electrode fired
An automatic pistol is disclosed having both an electronic firing means for roviding variable rates of fire and a grip adjustable to positions ranging from directly behind the barrel to positions...
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4016757 |
Apparatus for testing flexibility of ammunition link belts
Apparatus for testing the flexibility of ammunition link belts by folding the belt longitudinally back on itself in both directions, and also by twisting it about its length. The belt forms a loop...
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4012860 |
Adjustable rifle rest
A lower base is provided and an elongated generally horizontal support member is oscillatably supported from the base for angular displacement about a generally horizontal axis. The support member...
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4010631 |
Method and apparatus for pulse shaping in ballistic simulators
A ballistic simulation system including means to shape the deceleration pe by varying the rate of energy transfer in the system, including a shaped crush-surface on the mitigator and a...
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4002064 |
Rifled soft recovery system
A system is disclosed for decelerating a rifled projectile in flight. A gun ore rifled with a land pattern having a characteristic number of turns per bore diameter, has a muzzle at a first angular...
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3989384 |
System for measuring small angular motions
The angle measuring system comprises: a first mirror rigidly attached to muzzle end of a long gun barrel in a plane normal to the bore axis; second and third mirrors mounted on the gun mount near...
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3986394 |
Method of testing air target fuzing systems
A method of testing air target fuzing systems by moving a simulated target ast stationarily mounted fuzes and fuzed warheads. A simulated target is fired from a large gun past one or more fuzes...
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3982761 |
Cantilevered pellet backstop
The disclosure is directed to a novel range for receiving lead pellets from 0.177 up to 0.22-calibre and weighing from 7 to 16 grains fired from spring, gas (CO2) and pump style air powered guns at...
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3975942 |
Circuit for determining the fire-no-fire characteristics of electroexplosive devices
A circuit for determining the fire no-fire characteristics of electroexplve devices involves the application of an incrementally adjustable current level automatically to successive...
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3962671 |
Calibration transducer
Valid artificial targets are generated by means of an external attachment ilizing a calibration transducer affixed against a homing system transducer within the nose section of the Torpedo Mark 48...
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3960018 |
Conformal pressure transducer
A transducer for converting pressure changes into electrical signals wherein the pressure changes act on one surface of a relatively thin wall, such as pressure changes within a tube. A piston...
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3960000 |
Flight simulator for missiles
Disclosed is a flight simulator for missiles. The system comprises means for directing heat toward the nose cone of a missile while simultaneously imparting axial rotation to the missile. Both the...
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3946607 |
Apparatus for measuring chamber pressure
A combustion chamber pressure measuring apparatus comprising a diaphragm pressure bulkhead assembly, pressure transmitting fluid, pressure transducer, and a telemetry section is disclosed for an...
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3940981 |
Projectile recovery system with quick opening valves
A projectile recovery system where projectile speed is progressively reduced as the projectile passes through decelerator tubes. These tubes are precharged to high pressure in front of the...
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3940530 |
Support media with supported object
Pellicles of para-xylylene polymers are used as the sole support media for masses of objects supported thereon. The supported objects can be combined with the pellicle either during the formation...
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3932748 |
Method of determining the distance between area under fire and the muzzle of the weapon
Method of determining the distance between an area under fire and the muzzle of the weapon by means of autoradiography of the irradiated firing residues on this area. Several carrier areas are...
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3918061 |
Velocity measuring doppler radar
A Doppler Radar device for determining the muzzle velocity of an artillery projectile by counting Doppler oscillations produced by the reflection of a Doppler signal from the flying projectile so...
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3914996 |
Electronic apparatus for determining the wear of a gun tube
Electronic apparatus for determining the wear of a gun tube of, for examp an artillery weapon. The apparatus counts the number of rounds fired from the weapon, distinguishes the zone level of the...
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3908455 |
In-bore optical telemetry system
An optical means for obtaining data about the travel of a projectile down e barrel of a gun and through the air has means for generating an electrical signal representative of that data, a light...
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3902368 |
Thermal warning device for cannon
The surface temperature of a large caliber gun tube can be mechanically drmined by a mercury-filled sensing element fixed thereto in communication with a mercury-filled capillary tube extending...
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3902353 |
Analog gun (selection of consumable cartridge materials)
Apparatus for testing the potential of polymeric materials for use in the nufacture of cartridges and the like is disclosed. The apparatus comprises a tube or barrel for holding a cartridge, a...
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3899175 |
Indicating target employing foil sheet
A target for firearms comprising a metal foil sheet with a conventional target pattern printed thereon. The foil may be mounted in spaced relation to a backup sheet of highly contrasting color by...
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