Abstract: Automatic adjustable wrench wherein one jaw is adjustable by movement of a toothed surface of the jaw along a toothed support. The movable jaw is spring biased to close against an object disposed between the jaws of the wrench, and hence is automatically adjusted.

Abstract: Method and apparatus for shaping on the end of one right circular cylinder, a compound curvature corresponding to the compound curvature of intersection between the one right circular cylinder and second larger right circular cylinder.

Abstract: A lathe type machine for turning pistons, in which the cutting tool is caused to follow the surface contour of the cam which corresponds in shape to the desired contour of the piston to be machined. The cutting tool and a cam follower are mounted in spaced relation on an arm supported on a tool slide by means of an eccentric pivot pin, which when rotated in opposite directions shifts the tool toward and away from the axis of the work supporting spindle. Means are provided for automatically rotating the eccentric pivot pin through an arc of fixed angular extent in one direction when the tool slide reaches one end of its stroke and in the opposite direction through the same arcuate extent when the tool slide reaches the other end of its stroke. Means are also provided for rotating the eccentric pin slightly when desired to effect a change in size without affecting the extent of arcuate movement of the pin at opposite ends of the stroke of the tool slide.

Abstract: A row of spacer blocks double as spacing means and scoring wheel holders so that a plurality of parallel score lines may be placed on a sheet of glass with a high degree of precision in the spacing of the score lines.

Abstract: The disclosure relates to a cutting machine and more particularly to a cutting machine for cutting off short lengths of elongated material such as circular in cross section wire-like or tubular elements and more particularly to material commonly known as liquid silver which is small diameter tubular silver elements used to make necklaces or the like. The machine comprises a means for feeding intermittently a plurality of elongated work pieces in parallel relationship to each other and for sequencially and intermittently operating a circular saw which moves laterally relative to the work pieces and cuts off short lengths thereof. The machine comprises means for automatically sequencing the feed means and the cut-off means in timed relation to each other and such that, as for example, as many as 30,000 to 70,000 pieces may be cut in 1 hour's time.

Abstract: The apparatus of the present invention comprises at least one hole-punching device operated by a pneumatic cylinder for driving a punch rod through the peripheral surface and radially to the center of a roll of roofing sheet material. The method of the invention provides for the steps of preparing the sheet roofing material, winding the sheet into a roll, and punching a plurality of perforation holes in the roll from the surface to the center thereof.

Abstract: An apparatus for producing a continuous succession of pieces or sheets, particularly suitable for infeeding cut pieces of wrapping material to wrapping machines, comprises a track for collating and sending forward the said sheets or cuttings; a plurality of auxiliary tracks leading to the said collation track; means for channelling along the auxiliary tracks, successively, wrapping material from respective reels; and control means for rhythmically cutting such material and for automatically feeding material, end to end, from a fresh reel on exhaustion of an empty reel.

Abstract: A mounting clip having projecting prongs is installed along an edge of a wall panel, to permit attachment of the panel to a support member having means for mating engagement with the mounting clip, by driving the clip prongs into the panel edge either with or without prior indentation of the edge by driving similar prongs of an indenting tool into the edge. Pressure is applied to opposite sides of the panel adjacent its edge during penetration of the latter by the tool or clip prongs to prevent bulging of the panel sides.

Abstract: A power tool track for adapting an existing power tool, such as an electric circular saw, so that it can effectively make accurate straight or angular cuts in wood.

Abstract: A single face, variable reluctance pickup for steel string musical instruments is described which provides a highly asymmetrical magnetic field for preferentially sensing and generating electrical signals responsive to string vibrations perpendicular to the string plane. The described pickup features a single permanent bar magnet, common shaping faces, oriented parallel the string plane and perpendicular the strings and a plurality of sensing circuits having cores which magnetically and mechanically couple the shaping faces and the bar magnet. The described pickup provides a magnetic field in the string plane having a large flux gradient perpendicular the string plane and a minimum flux gradient parallel the string plane. The pickup is insensitive to "bending" and provides electronically amplified musical instruments with tonal characteristics similar to the tonal characteristics of acoustic string instruments.

Abstract: A variable reluctance pickup system for steel string musical instruments is described which provides a highly asymmetrical magnetic field for preferentially sensing and generating electrical signals responsive to string vibrations perpendicular to the string plane. The described pickup system includes individual magnetic circuits with pole pieces, and a sensing coil for each string. The pickup system further includes special planar poletip faces which modify the spatial configuration of the magnetic fields emanating from the polepieces to render the pickup system relatively insensitive to "bending" of a string from its normal quiescent position. The described pickup system is designed to provide electronically amplified musical instruments with tonal characteristics similar to the tonal characteristics of acoustic string instruments.

Abstract: An improved sheet metal nail utilizing a protrusion, or protuberance, aligned with the locking tangs and interposed the tangs and the leading edge of the nail is provided. The protrusion enters the media into which the nail is driven prior to entry of the tangs and thus provides a lead hole for the tangs to minimize damage thereto during the nail driving operation.

Abstract: 1. The method of casting a solid propellant in the casing of a rocket engine of spherical form having a continuous wall with a single opening therein which comprises, forming leaves of a material which melts at a temperature below the ignition temperature of the propellant and with curved edges concentric to the curvature of the spherical casing, inserting the leaves into the spherical casing through the opening therein, assembling the leaves to form a core having a greater width than the width of the single opening and with curved peripheral edges, casting the propellant around the core, curing the cast propellant to form a solid mass, and then supplying a heating medium in heat exchange relation with the core at the interior of the casting to melt the leaves and provide a central opening with flutes projecting radially therefrom.

Abstract: An ejector for bringing an explosive liquid into an aqueous emulsion for transport along a pipe has a water-injection nozzle leading into an explosive-intake chamber, and a diffuser of progressively outflaring section extending from said chamber coaxial to the nozzle. An explosive inlet duct leads tangentially into said chamber which is defined by converging conical surfaces whereby the explosive is gradually accelerated along a helical path of progressively decreasing cross-sectional area up to a zone of contact with water from the injection nozzle.

Abstract: An ammunition loading system includes one or more clips, each holding a plurality of rounds, and a clip stripper/loader unit for progressively and at a uniform rate removing rounds from the clips and inserting each round at a uniform pitch into a conveyor.

Abstract: An aircraft munition dispensing cannister device utilizes a tubularly sha central housing piston member, having a spline engagement dog thereon, to releasably engage a supporting helically splined mast. Spin is given to the cannister when the piston cannister is forcibly detached from the mast by expanding gases which are released from an explosive cartridge and are trapped intermediate the mast and the central housing member. Hot cartridge gases are vented into a passageway within the cannister to initiate a pyrotechnic delay train which subsequently actuates an explosive charge which aids in blowing apart the cannister sides and scattering the munitions.

Abstract: Means permitting the fin-arming wire of a bomb to be permanently secured to he bomb at one end rather than to the bomb rack or anything affixed to the aircraft. The means comprises a wire or cable looped back on itself and looped thru a metal ring at one end. The ends of the wire are fastened together near the loop by a crimp band which supports a sliding sleeve to which a long coiled spring is attached, the spring encircling the doubled wire up to a point near the other end and forming a second loop of wire there. A second sliding sleeve encircles the doubled wire at this other end forming the second loop and the spring is also attached to the second sliding sleeve. The spring is compressible so that the second loop can be temporarily enlarged.

Abstract: A mechanism mounted on a missile launch rail which may be actuated to perform the functions of engaging electrical circuit firing contacts for the missile, rotating a rocket motor arming arm, and unlocking the forward motion missile restraints. Particular structure including a bi-directional linear actuator drive mechanism is provided to perform these functions. In addition, the structure incorporates the capabilities of restraining the rocket motor against full thrust in the event of an inadvertent firing and of restoring the rocket motor to safe condition if a launch is aborted.

Abstract: A method and apparatus for refinishing or recutting grooves formed on the outside of rollers, especially rollers employed in paper making machines. The grooves are provided to facilitate drainage of water from a watery web carried by a felt entrained about the grooved roller. The grooves in such rollers can become obstructed by foreign matter and can decrease in depth as the roller wears and must occasionally be refinished or recut to provide for maximum water drainage.

Abstract: A relay valve for transmitting an operational signal to a first brake applying servomotor in a trailer upon actuation of a second brake applying servomotor in a tow vehicle. The relay valve has a housing with a movable wall which sequentially interrupts the communication of vacuum to a power chamber in the first brake applying servomotor and thereafter allows air to be communicated to the power chamber. With air in the power chamber, an operational pressure differential will be developed which will operate the first brake applying servomotor.

Abstract: An impact motor has a reciprocating piston that has its piston rod guided in bushings in the housing. The bushings are lubricated by oil-loaded compressed air but the piston is forced to reciprocate by oil-free compressed air.

Abstract: A three-stage hydraulically-operated telescopic prop is disclosed having working chambers which can be charged with hydraulic pressure fluid to extend a central prop member relative to an outer prop member and an inner prop member relative to the central member. A pressure-operated spring biased non-return valve is operated by pressure to open communication between the working chambers to extend the inner member once the central member has been fully extended. The valve is also operated mechanically to open communication between the working chambers to allow retraction of the inner member when the central member has been retracted to a certain extent. Further chambers are provided between the central and outer member, and between the central and inner member, and these chambers can be charged with hydraulic pressure fluid to retract the central member relative to the outer member and the inner member relative to the central member.

Abstract: A brake actuator for a vehicle having air brakes is disclosed in which air pressure is expelled through the actuator upon release of the brakes in order to purge the latter of contaminants. The actuator includes a housing in which a piston reciprocates. Fluid pressure is admitted to the chamber defined between one side of the piston and the corresponding end of the housing in order to urge the latter in a brake actuating direction. The piston includes a passage extending therethrough to connect the chambers defined between opposite sides of the piston and the corresponding ends of the housing, and a shuttle valve carried within the passage in order to close the passage upon brake application and open the passage to permit fluid communication between the chambers upon brake release. An articulated guide rod is pivotally mounted on the end wall of the housing and extends into the piston to guide the shuttle valve during operation of the actuator.

Abstract: Control system including an hydraulic valve and cylinder and including apparatus for indicating to the operator the exact point when pressure fluid starts to flow to the cylinder.

Abstract: A hydraulic hand brake for a fluid pressure actuated brake on a railway vehicle has a cylinder and piston assembly extending coaxially from the brake cylinder. A threaded rod having a non-locking thread extends from the piston and has threaded thereon a traveling nut with a coupling surface on a side away from the brake piston engageable with a second coupling surface on a ring attached to the cylinder. A spring urges the nut in the direction to engage the coupling surfaces and a control piston engages the nut to disengage the coupling surfaces when the control piston is subjected to a hydraulic pressure. Subjecting the piston of the cylinder and piston assembly to a hydraulic pressure will cause the threaded rod to engage the brake piston and to move the brake piston in the braking direction.

Abstract: An internal combustion engine crosshead piston assembly having an outer skirt mounted by an elastomeric member on an inner skirt to reduce piston-slap-caused noise wherein expansible chambers are provided in the elastomeric member and are connected by orifices in the inner skirt to receive and eject oil to provide cooling of the outer skirt and also add a damping effect to further reduce the noise.

Abstract: A process and a device for producing bags from a strip of thermoplastic material wherein mated layers of foil strip are supplied to serially arranged bonding devices to provide bonded seams extending over the width of the layers at specific intervals corresponding to the width of the bags with said bonding devices being alternated with cooling means to lower the temperature of the bonded areas and thereafter advancing the material to a cutting device designed to separate the bags divided by the bonded seams from the chain of bags produced by the bonding operation.

Abstract: An improvement in phonograph records, and method of making the same dealing particularly with a record formed in a coating applied to paperboard and normally used as a wall of a carton or the like.

Abstract: An exhaust fume treatment apparatus for removing suspended or entrained material from a gas including a substantially cylindrical housing having a peripheral wall and inlet and outlet openings in opposite end walls. A slinger wheel is rotatable within the housing and has circumferentially spaced, nonoverloading blades. A blower has its inlet connected to the outlet of the housing. Polluted fumes are drawn into the housing by the blower and pass outwardly through the slinger blades whereby the materials in the gas are deposited on, and thrown substantially radially outwardly by the blades, toward the peripheral wall of the housing for collection. A two stage gas deflector within the slinger wheel spreads the flow of gas more uniformly over the slinger wheel blades. A cylindrical screen encircles the slinger wheel and has plural openings angled toward the housing inlet end.

Abstract: A filtering device for the preparation of coffee comprises a vessel with a permanent metallic filter disk forming the bottom thereof. Vertically extending walls divide the vessel into distinct compartments of varying volumetric content, thus separating distinct areas of the filter disk. A water inlet is provided for one of the compartments in which the coffee powder is placed so that the amount of water used at any one time determines the active area of the filter disk utilized by virtue of the overflow between compartments.

Abstract: An apparatus for producing a wafer biscuit, wherein a plurality of cream dispensers are provided in side-by-side relationship, each coupled to a wafer feed magazine, the cream dispensers being operable selectively, simultaneously or separately, thus automatically to dispense one or more creams onto a respective wafer or wafers, the latter being then transferred in line to a wafer builder.

Abstract: A method and apparatus for collecting and handling recycleable waste paper wherein paper is formed into a stack, baled, transferred to an intermediate transfer device such as a hand truck and transported to a area where the stack of baled paper is transferred to a primary transfer device such as motor truck vehicle of the common highway or road type.To collect the paper and to form the same into a stack, there is provided a collection box or receptacle that is adapted to receive the paper with sheets or portions of the paper being stacked so as to form an upright stack. The collection box is particularly adapted to allow strapping or banding material to be wrapped and inserted around the stack of paper while still being supported within the box or receptacle, thereby allowing the entire stack of paper to be bound or baled prior to removal from the collection box.

Abstract: A double-acting can crusher comprising a frame, a shaft rotatably mounted in the frame, a substantially cylindrical sheath extending horizontally above the shaft in parallel relation thereto, a pair of spaced cylindrical crushing blocks mounted at the horizontal ends of the sheath, a substantially rectangular upper opening extending along the top portion of the sheath and being sufficiently wide to permit the passage of uncrushed cans into the sheath, a lower opening in the sheath extending longitudinally below the upper opening, the lower opening being sufficiently wide at the ends thereof to permit the passage of crushed cans therethrough but being sufficiently narrow in the central or major portion thereof to prevent the passage of uncrushed cans therethrough, a collar mounted on the shaft for movement back and forth along the shaft, an endless reverse helical groove on the shaft, a pin freely received in a hole in the collar and disposed at right angles to the shaft, an arcuate tongue on the pin received

Abstract: A high speed printer for printing desired letters, figures, signs, etc., on a paper by depositing ink particles on the paper after properly controlling ink droplets or selectively controlling corpuscles, characterized in that at least one ink mist passage is provided at a location closely adjacent to the surface of ink solution. An air feed port also is provided for introducing air into said ink mist passage after the air passes the ink mist source or its vicinity so that the produced ink mist will flow into said ink mist passage without forming any small convection.

Abstract: A variable amount imprinter and a portable transaction-log recorder usable therewith, the imprinter having a pivotally mounted head assembly, upon which is mounted a roller platen assembly for effecting imprinting. Two interlocks are provided to prevent closing of the head assembly until (a) a tray for a printing plate such as a credit card has been latched in place in the recorder and (b) at least one preselected item of the variable amount data has been set to a non-zero value. Releasable latching means lock the head in its closed position until the imprinting stroke of the roller platen assembly has been completed, at which time the head is automatically returned to its open position.Means responsive to movement of the roller platen assembly during the imprinting stroke reset the variable amount data to zero after it has been imprinted. Means are also provided for centralizing the digit wheels of the variable amount assembly prior to the imprinting thereof.

Abstract: A mechanism is disclosed for automatically positioning the print mechanism with respect to the forms and ribbon in a printer assembly. The automatic adjustment takes place for varying thicknesses of the forms, which is a function of the number of copies being printed and the type of form, as well as the variations in the thickness of the ribbon. The above-mentioned adjustment takes place after there has been a simulation of the print hammer striking the paper which may be a single-part or multi-part form.

Abstract: A printing device operating with a cycloidal printing motion and having a revolving type carrier. The types on the type carrier are guided over a cycloidal path by a planetary gear drive. The type is carried on an elastic band which is carried between two rollers.

Abstract: A printer for printing characters on a printable medium. The printer contains a plurality of printing actuators which are selectively energized from a power supply to print the characters. Control circuitry in the printer receives character codes and energizes the printing actuators individually in sequence thereby to reduce the loading on the power supply.

Abstract: A hammer bank assembly useful in high speed, moving type, impact printers of the kind generally employed in data processing systems. The assembly is comprised of a mounting structure supporting a plurality of aligned hammer modules and a plurality of aligned magnet modules. The mounting structure includes a rigid cylindrical tube and a plurality of fastening members disposed therealong. Each hammer module includes multiple hammers resiliently mounted on a common foot member. Each hammer is comprised of an impact tip carried on a rigid coil structure. Each hammer module foot member has a recess of substantially semicircular cross section dimensioned to conform to the periphery of the rigid tube. A plurality of identical hammer modules are mounted on the rigid tube with each foot member being secured to a different fastening member and with the tube engaging each foot member in the recess thereof.

Abstract: Three rollers are mounted on a support for rotation about parallel axes which are respectively located at the corners of an imaginary triangle. A flexible printing screen is trained about the rollers to be frictionally entrained thereby. Mounting arrangements are provided at the opposite axial ends of the rollers, journalling the same for rotation, and intermediate these mounting arrangements there are provided supplementary mounting arrangements which engage each of the rollers intermediate the main mounting arrangements.

Abstract: Apparatus for mounting flexographic printing plates by adhesive on the printing cylinders of a multi-cylinder printing machine has a rotatable hub for supporting each of the cylinders in turn, a platform for supporting each printing plate in a plane tangential to a cylinder on the hub, the platform being movable to cause the cylinder to roll along the plate so that adhesive on the plate or cylinder causes the plate to adhere to and wrap around the cylinder, and rack and pinion gearing between the rotatable hub and the movable platform.

Abstract: A cylindrical printing roll is provided in combination with an endless conveyor that has a plurality of balloon carriers on the conveyor in uniformly spaced relation. Drive members connect to the conveyor for intermittent drive thereof, a printing station being provided on the conveyor course immediately adjacent the printing roll and each balloon carrier is stopped at such station, while devices for inflating a balloon on the carrier when stopped at the printing station and cylindrical rollers to press an inflated balloon at the printing station against the printing roll for printing action are also present.

Abstract: A data recorder is provided including a roller platen carriage adapted to be manually reciprocated and normally locked in a home position by a manually releasable interlock mechanism. A release lever is associated with the interlock mechanism, with manual release of the lever being required to free the carriage before each reciprocation. This avoids imprints of unacceptable quality due to inadvertent multiple operations of the carriage.

Abstract: To prevent center sag, or bowing of printing cylinders, and thus uneven printing throughout the axial length thereof, extension struts are connected to stub shafts at the ends of the cylinders, the struts being connected together to form a closed, rectangular or square frame in which the individual lengths of the struts are adjustable to thereby provide individually adjusted forces to the ends of the stub shafts and counteract sag or bow of the cylinders.

Abstract: An inking system for a printing plate having a printing density which varies arbitrarily from the leading end of the plate to the trailing end including a source of ink film, rollers arranged in series between the source and the plate cylinder, the last roller in the series being a form roller in contact with the plate, with at least one of the rollers being a vibrated roller. Thrusting means are provided for imparting reciprocating movement to the vibrated roller. Means are provided for establishing a succession of sources of control signal at different levels tailored to the printing density of the plate at corresponding points about the periphery. A reference member coupled to the plate cylinder commutates the sources to produce a phased control signal which varies with ink need about the periphery of the plate.

Abstract: In a cleaning device for a blanket cylinder in an offset lithographic printing press, there are provided a power-rotated cleaning disc having a front surface partly in contact with the cylindrical surface of the blanket cylinder, a tank associated with the cleaning disc for storing and supplying a predetermined quantity of a cleaning liquid to the cleaning disc, and a lateral feed mechanism for driving the cleaning disc in reciprocating motion transversely along the cylindrical surface of the blanket cylinder, whereby the latter surface is cleaned while the blanket cylinder is rotated at a low speed.

Abstract: More easily readable matter is provided by intelligible characters which have spaced stroke components and a contrast space between the stroke components, the stroke components forming the intelligible character so that the width is at least about 20% greater than the height. The component strokes have mass or weight which does not exceed 5% of the contrast space with horizontal stroke components; and which does not exceed 30% of the contrast stroke with vertical space components. Cut-ins at stroke component junctions and spurs at outside corners of stroke components allow printing of the intelligible characters without objectionable rounding or filling-in.

Abstract: An apparatus and method for electrographically printing on a dielectric paper and transferring a toned image from the dielectric paper to plain paper. The dielectric paper receives an electrically charged latent image from an electrode device. The latent image is developed by applying a liquid or dry toner. The toned image on the dielectric paper is transferred onto the plain paper by conveying the dielectric paper and the plain paper together through a pair of conductive rollers. The dielectric paper is dried, fusing the residual image on its surface. The dielectric paper is then reused. The plain paper with the transfer image is dried, cut, and stacked.

Abstract: The compositions burn to produce flickering signals of flame and smoke, and which in addition emit infrared and radar signals. The compositions comprise a fuel of either magnesium, aluminum or both, a reactive chlorinated aromatic compound such as hexachlorobenzene, one or more oxidizers selected from nitrates and perchlorates of ammonium, barium, cesium, lithium, potassium, sodium, and strontium, and a binder of a fluorinated polymer.

Abstract: A spotting projectile, especially for training purposes, which dispenses a cloud of powder upwardly on impact to indicate its location visibly. The projectile has an interior cylinder receiving a piston in gas-sealing slidable relation, so that gas trapped in the cylinder is compressed by forward inertial movement of the piston when the projectile impacts. The compressed gas ejects a powder charge carried by the piston rearwardly from the projectile to form a visible cloud.