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Patent # Description
US-4,003,293 Anti-recoil device for automatic weapons
An anti-kick or anti-recoil buffer device is provided for blowback breech block weapons and particularly for automatic repeating weapons such as automatic...
US-4,003,292 Rifle
A firing mechanism for a semi-automatic rifle that provides a breech block and firing pin, each reciprocally movable simultaneously and independently in response...
US-4,003,291 Missile launching mine
2. An underwater multiple missile launcher comprising A platform, A plurality of missile launching tubes disposed at acute angles to a normal to the surface of said...
US-4,003,290 Strand carrier for a strand fabricating machine
A strand carrier for a strand fabricating machine includes a support structure and a shaft mounted thereon. A hub is mounted for rotation around the shaft for...
US-4,003,289 Gill net
A gill-net comprising warps and wefts of which diameter is smaller than that of the warp. The gill-net is knotted with the warp and weft by double English knotting.
US-4,003,288 Tubular rivet
A tubular rivet for blind placing comprises a cylindrical body 21, an externally thickened tail portion 34, and a head 22 with an internal taper 26 and external...
US-4,003,287 Insert of the self-tapping fluted type
A metallic fastener or insert of the type adapted to thread itself into a recess formed in a plastic work piece has a multiplicity of uniformly angularly spaced,...
US-4,003,286 Clinch type fastener
Fastener apparatus for securing lightweight insulating material onto sheet metal without passing entirely through such sheet metal. The apparatus includes a...
US-4,003,285 Music signal conversion apparatus
Apparatus for converting the relatively rapid rise time, relatively long fall time tone envelopes of a music source output to envelopes having relatively long...
US-4,003,284 Electronic musical instrument
An electronic musical instrument is provided to produce audible tones by the use of at least a pair of electron beam guns having deflecting means, the output of...
US-4,003,283 Die set with two-part leader pins and ball bearing guide
Disclosed herein is a die set in which the punch holder is guided for reciprocating movement towards and away from the die shoe by two-part leader pins, with the...
US-4,003,282 Machine for the hot shearing of rolled products
A machine for the hot shearing of rolled product as it emerges from continuous casting plants incorporates a driven cutting disk fitted to a shaft and a carrier...
US-4,003,281 Record material cutting mechanism
A cut-off mechanism for severing a record member in a data terminal device is disclosed which includes a cutting wheel mounted on a pivoted support arm member...
US-4,003,280 Drive device for web crosscutting apparatus
Apparatus for driving a web crosscutting roller with knife blade. A variable speed motor drives the roller which also is of variable speed. A control device is...
US-4,003,279 Shearing tube stock
A method of orbital shearing of elongated stock such as tube stock comprises passing the stock through aligned dies, then causing relative lateral displacement,...
US-4,003,278 Tube cutting apparatus
A device for cutting lengths of tubing from a longer tube utilizes an external pair of cutting dies and an internal pair of punches. An eccentric relative motion...
US-4,003,277 Apparatus for manipulating filter rod sections or the like
Apparatus for manipulating filter rod sections in a filter cigarette making machine has a magazine for filter rod sections of six times unit length and a...
US-4,003,276 Slitter and dust collector therefor
A slitter having slitting blades juxtaposed to the periphery of a bristle-face anvil roll is provided with a dust collector adjacent the interface between said...
US-4,003,275 Wrench
A wrench having an elongated handle and a socket drive member rotatably mounted in one end of the handle. A shaft extends through the handle to a knob at the end...
US-4,003,274 Sun and planet gear transmission mechanism particularly for power wrenches
The sun and planet gear transmission mechanism comprises a power input shaft and at least two successive gear steps including a first gear step and a second gear...
US-4,003,273 Multi-ratio transmission systems
A multi-ratio power transmission for a vehicle having a torque-converter or fluid coupling, the output of which can be selectively coupled by clutches to a...
US-4,003,272 Harmonic gear reduction unit
A flexible member in a harmonic gear reduction unit is operatively connected at its other end also to an output member of the gear reduction unit through a...
US-4,003,271 Mirror assembly
A mirror assembly for vehicles including improved support apparatus for the mirror providing combined pivotal movement about a pair of perpendicular axes and...
US-4,003,270 Coupling mechanism with means for disengagement and for automatic engagement of the spool in spinning reels
This invention relates to a coupling mechanism with means for disengagement and automatic reengagement of the spool in a spinning reel. The coupling mechanism...
US-4,003,269 Power transmission belt
A power transmission belt with a tensile member interpositioned between first and second layers wherein the second layer includes two longitudinal rows of spaced...
US-4,003,268 Film winding device for photographic cameras
An improved film winding device for photographic cameras, having a sprocket, a sprocket rotation limiting member and an engaging member, both of which move in...
US-4,003,267 Cyclically operable drive transmission
A cyclically operable clutch in which first and second driven gears are provided with interrupted gear tooth sections normally located opposite a motor driven...
US-4,003,266 Actuator for pushbutton tuner
An interconnecting member which operatively connects a pushbutton slide with either one of a pair of tuning slides selectively is carried by shift means which...
US-4,003,265 Mass balancing system for rotatable assemblies
Disclosed herein is an arrangement for counteracting mass unbalance in a rotatable assembly, such as the rotor assembly of a gyroscope. The invention proposes...
US-4,003,264 Device for measuring and registering of sound
A device is shown for detecting and recording the presence of sound above specified predetermined levels during given time intervals. The circuit includes a...
US-4,003,263 Tube profile gage
To measure compressions and settlements in the foundations of heavy structures, a continuous loop of tubing is installed within the foundation of the structure,...
US-4,003,262 Apparatus for measuring precise micro quantities of fluid samples
An apparatus for measuring precise micro quantities of fluid samples is disclosed which uses a precision, disposable, self-filling capillary tube on which a...
US-4,003,261 Apparatus for testing molten metal
A measuring or sampling probe is to be lowered to a desired depth in molten metal. The probe is mounted on a tiltable elongate probe-carrier which can be lowered...
US-4,003,260 Apparatus for testing molten metal
A measuring or sampling probe is to be lowered to a desired depth in a molten metal. The probe is mounted on a probe carrier which can be lowered and raised. A...
US-4,003,259 Method and a device for capacitive level measurement
Capacitive level measurement apparatus comprising two sets of interdigitated capacitive elements arranged along the vertical direction for immersion in a liquid...
US-4,003,258 Apparatus for detecting the level of a particulate material
An apparatus for detecting the level or quantity of a particulate material contained in a vessel by means of an agitating and/or delivering member while...
US-4,003,257 Analysis of volatile organic compounds
System and method for reproducibly analyzing, both qualitatively and quantitatively, trace amounts of a large number of organic volatiles existing in a gas...
US-4,003,256 Acoustic oscillator fluid velocity measuring device
A fluid velocity measuring device for the accurate fast measurement of the velocity of a fluid whether liquid or gas using the time of passage of acoustic energy...
US-4,003,255 Measurement and control of fluid flow
An improved method and apparatus for measuring fluid flow and controlling fluid flow systems. The invention uses a magnetically responsive float normally resting...
US-4,003,254 Ion collector
New and improved ion collection means for use in flow meter apparatus which utilizes the migration of ions transverse to the direction of flow of a moving fluid...
US-4,003,253 Multi-range vortex-shedding flowmeter
An adapter for a vortex-shedding flowmeter serving to render the meter capable of measuring low flow rates below its normal operating range. The flowmeter...
US-4,003,252 Acoustical wave flowmeter
A fluid flowmeter for measuring the velocity of a fluid flowing along a path. The flowmeter comprises an enclosed housing having a fluid inlet and a fluid...
US-4,003,251 Acceleration-proof vortex-type flowmeter
An acceleration-proof vortex type flowmeter in which the fluid to be measured is conducted through a flow tube having an obstacle assembly mounted therein...
US-4,003,250 Geothermal heat flux transducers
A geothermal heat flux transducer includes a plurality of insulating slats on which constantin wire is wound and each half turn is coated with a silver layer to...
US-4,003,249 Thrust correlated engine pressure ratio indicator and method for turbofan engines with mixer-type nozzles
A pneumatic computing device is disclosed for use with turbofan engines having mixer-type nozzles, in which both turbine and fan discharge pressures are tapped...
US-4,003,248 Faulty combustion device for controlled ignition internal combustion engine
An apparatus and method for detecting faulty combustion in an internal combustion engine. The series combination of a voltage source and a resistor are connected...
US-4,003,247 Torsional oscillation apparatus
In a torsional oscillation apparatus, for example for testing plastics, a lower clamp is arranged in torsionally-fast or non-rotating manner, for one end of a...
US-4,003,246 Specimen crack stress intensity control loop for test device
A test system for testing specimens to determine crack propagation utilizing a factor relating to stress intensity at the end of the crack as a control parameter...
US-4,003,245 Method for pressure measurement
A method for measuring pressures which comprises allowing a material whose pressure is to be measured to press against a recording sheet to form a color image...
US-4,003,244 Ultrasonic pulse-echo thickness measuring apparatus
An electrical circuit incorporated in a receiver circuit of an ultrasonic pulse-echo thickness and/or velocity measuring apparatus causes the entrant surface and...
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