Abstract: In an inking device of a printing machine including an inking roller, there are provided a plurality of cam levers disposed side by side and in direct contact with each other along the longitudinal direction of the surface of the inking roller and supported pivotably by a stationary member of the inking device. The cam levers are driven by adjusting means so as to adjust the gap between the surface of the inking roller and the surface of the cam levers.

Abstract: A detonator containing octogen crystals for projectiles for initiating detonation or for the transmission of a detonation, wherein the octogen crystals possess a size greater than 75 microns and smaller than 150 microns, the relationship between the length and diameter of the crystals amounts to about 3:1, and the edges of the crystals are undamaged. To produce the detonator cap a mixture of different types of octogen crystals is enriched with the aforementioned size of preferred octogen crystals by wet sieving.

Abstract: The structural arrangement relates to a steering apparatus for rail vehicles which have a vehicle body, at least two trunks movably mounted to the body, at least two sets of wheels rotatably mounted in each truck by lateral wheel bearings. At least one of the set of wheels must be mounted for rotation about a vertical axis. In the steering apparatus, there are at least two guide rods pivotally mounted around the circumference of at least one of the wheel bearing housings. One of the guide rods is pivotally mounted to the truck and the second guide rod is pivotally connected to a positioning lever which is pivotally mounted to the vehicle body.

Abstract: A pedestal assembly for use in a railroad vehicle having a journal box which slides vertically with respect to the pedestal assembly, said assembly including a pedestal liner consisting of elastomer having a wear face and a non-wear face, said wear face confronting the journal box, a pedestal liner insert consisting of an elastomer having a first and second side, the first side confronting the non-wear face of the pedestal liner and the second side confronting the pedestal leg, a plurality of spacing washers and a means attaching said pedestal liner and pedestal liner insert to said pedestal leg through said spacing washers and a process for producing the pedestal liner and the pedestal liner insert by injection molding.

Abstract: A table skirting system having a skirt in the form of a substantially rectangular piece of material attachable to a tabletop either by a double-grip clip according to the invention, or by a pin or pins engaging a cloth arranged covering the top of the table. The clip is provided with a bifurcated section received in separate side-by-side pockets provided in the skirt, while the head of the pin or pins is concealed in an upwardly opening seam formed along the top edge of the skirt.

Abstract: A folding work table, or the like, having two rectangular platforms joined by four foldable legs with a pair of lateral support members on each side for releasably locking the legs in an erected position. Each leg is hingedly connected at its opposite ends to the perspective platforms and is divided at an intermediate point into hingedly connected upper and lower sections. Unique coupling means are provided for releasably maintaining the lateral supports in locking engagement with the sections. Also, a brace maintains one end of the upper platform in a partly folded position to prevent binding as the lateral supports are removed with locking engagement with the leg sections, whereby the structure may easily be moved between erected and folded positions by a single individual. The lower platform is mounted upon wheels or casters and a movable handle is provided for movement of the entire structure in either the erected or folded positions.

Abstract: A method and apparatus for incinerating combustible materials wherein the movement of the material particles is controlled as they are moved over an arrangement of grate sections during combustion in relation to particle density so that less dense particles travel faster than more dense particles to provide for increased combustion efficiency. The grate sections are arranged in adjacent groups and in an alined, downstepped succession. Each grate section has a downwardly inclined, upper support surface and a reciprocating pusher block is moved an adjustable distance over an inlet end portion of the upper support surface of each pusher block to impart moving forces through the material in a pushing stroke that is substantially shorter than the full travel distance of the material along the associated grate section.

Abstract: A mechanism for a sewing machine for enabling the manual or automatic control of the direction and of the amplitude of movement of a transporting claw guide for material to be sewn. The mechanism is driven from the main driving shaft of the sewing machine via a cam and a series of intermediate lever members connected to a rotatable shaft connected to the transporting claw guide. The control is automatically accomplished by means of a cam driven from the main driving shaft of the machine via the arrangement of levers to obtain back-and-forth movement of the claw guide or, when a cam follower is disengaged from the cam, the control can be accomplished manually without the automatic back-and-forth movement.

Abstract: An effective antifouling result with respect to marine creatures such as barnacles is achieved by energizing a piezofilm layer carried on the outside of a vessel to cause mechanical vibration of the layer.

Abstract: An offshore structure adapted to carry a drilling or production platform. The structure has a positive buoyancy and is tied-down to the ocean floor by tensioned cables such that the structure is maintained above the ocean floor and is tiltable. A plurality of anchored guy lines connect to the structure and are coupled to sway control apparatus that prevents excessive tilting of the structure by altering the length of the guy lines between the structure and the anchors. The sway control apparatus comprises first and second winches having a separate reel for each guy line, with each guy line being coupled to a reel through a rigging device mounted on the structure. The winches are operable in response to off-vertical movement of the structure as produced by excessive wind, waves and current.

Abstract: A mobile drilling and production platform for arctic regions in which a hull having a deck forming the production platform is supported on a first set of parallel runners secured to the underside of the hull and extending fore and aft with spaces between the runners. A second set of parallel segmented runners are secured to the underside of the hull and extend perpendicular to the first set of runners, the second set of runners including a plurality of sections positioned in the spaces between the first set of runners. A plurality of rotating ice cutters are mounted on the hull and extend down in front of the ends of each of the runners, the ice cutters cutting channels in the ice in which the runners move and support the hull. One set of runners is vertically movable from the hull relative to the other set of runners whereby the weight of the hull can be transferred from one set of runners to the other to permit movement of the platform along two perpendicular axes or coordinance of motion.

Abstract: The invention to be described is an aquatic apparatus of at least one hull which is readily attachable and detachable from its propulsive member--the propulsive member being a tandem-wheeled vehicle such as a bicycle or motorcycle which is prepared for attachment by having its wheels removed.

Abstract: A heat-sensitive assembly mountable as unit and responsive to predetermined ambient temperature conditions above normal room temperature for activating a device for protection against heat or fire, comprising thin metal plates soldered face to face with eutectic solder, with large surface area and small mass and minimum contact with the elements to which they are connected. Also an alarm assembly comprising a supporting housing, an acoustic device, a coupler assembly supported by said housing and connecting said acoustic device and said container, a thermally responsive assembly mounted on said coupler assembly. Means on said coupler assembly conducting gas from said container to said acoustic device. A valve is opened on activation of said thermally responsive assembly to cause actuation of said acoustic device. A visual signal is given by swinging down of a guard member if the container contents leak. A container can be snapped into its place in the coupler assembly.

Abstract: A method of detecting an excessive temperature at electrical wiring devices and detector for indicating by means of a color change an electrical failure at a wiring device which failure results in an excessive temperature increase.

Abstract: Automatic coating and drying apparatus wherein a stream of parts or elements is directed from above into an upright perforated basket spinning at low speed, and are simultaneously sprayed with a coating solution. When the basket is full, the loading and spraying cycles are terminated, and the basket is spun at high speed to throw excess solution off of the parts. The basket may be rotated to a position opening downwardly such that the parts spill therefrom into a suitable bin, after which the basket may be returned to the upright position so that the entire cycle may be repeated.

Abstract: Apparatus for supplying fluid for use at the internal surface of a tubular workpiece is provided with a housing mounted in a frame which is movable along the inside of the workpiece. A plurality of rigidly connected, coaxially arranged fluid supply pipes are rotatably mounted in the housing and project from one end of the housing. Fluids are supplied to the housing through a plurality of non-rotatable supply pipes, pass through conduits provided by the interior of the inner rotatable supply pipe and by the annular section clearances between radially adjacent rotatable supply pipes, and are discharged through outlet conduits which are connected respectively to the projecting ends of the individual rotatable fluid supply pipes and which are supported at their ends at the outer end of a radial arm carried by the projecting ends of the rotatable fluid supply pipes.

Abstract: Apparatus generates and substantially uniformly electrostatically deposits very finely divided lubricating particles onto the surface of an electrically conducting substrate. A lubricant material is sheared into droplets of various sizes. The larger particles are filtered out of a flow of particles by gravity, baffles, and other forces leaving only a cloud of extremely small particles to be deposited. Deposition occurs within a housing that includes a plurality of sections arranged longitudinally on at least one side of the substrate and includes electrode means transversely positioned in each such section. The cloud of particles is uniformly provided to each of a plurality of longitudinal sections of the substrate and permitted to drift or migrate relatively slowly between the electrodes and the substrate. The particles in the cloud are electrostatically charged by high voltage applied to the electrodes and deposited on the surface of the substrate as a uniform dispersion of spaced particles of lubricant.

Abstract: The specification discloses a means and method for electrostatic coating of objects with synthetic resinous powdered material in which increased electrostatic charges are placed upon the powdered coating material before they are moved through the vicinity of the article to be coated by subjecting them to acceleration in a closed circuitous path from which they are tapped for movement to the coating area.

Abstract: This invention relates to an improvement in a developing apparatus for developing latent electrostatic images, comprising a hopper for a developer, two magnetic brush means rotatably supported one above the other between the side walls of the hopper, and strippers for removing the developer from the magnetic brush means, the improvement comprising a plurality of hinged compartment means in a collecting space for the developer in the hopper, and means for oscillating said compartment means in the longitudinal direction.

Abstract: A fish rearing enclosure includes framework which is netted to provide an enclosed space for accommodating marine fish to be cultured. A slide fastener or fasteners are attached to the top portion of the net to form a mouth which can be opened and closed by manipulation of the fastener slider or sliders. Several embodiments are disclosed.

Abstract: Marine shellfish, such as bivalve mollusks, are grown to edible size in surface-floating, partly submerged trays comprising a frame enclosed with a mesh having a size small enough to retain the species to be grown. A plurality of these trays are connected together in series and anchored in nutrient-providing water, such as an estuary, that while protected nonetheless is subject to wave action. These trays are attended by periodically flipping them over every two to three days and, if necessary, removing any fouling that may have built up on the undersurface. By means of this system, marketable-size oysters can, for example, be produced in fourteen months compared to the twenty-two to forty-eight months of other methods.

Abstract: Apparatus is disclosed providing for the semi-automatic operation of a milk flow sensor having a chamber in which a valve supported by a float is disposed for controlling the flow of milk through the sensor. An externally actuated arm member serves to elevate the float and valve to enable the initial flow of milk through the sensor. Means is provided for the automatic return of the arm member to its original position in which it does not affect the movement of the float and valve after a sufficient amount of milk has been supplied to the chamber to support the float and valve in their elevated positions.

Abstract: A closed heat transfer system which is capable of providing more efficient heat transfer by virtue of the fact that a small fuel burner is operated for a longer period of time but with much less consumption of fuel than compared to a conventional cycled heating system. The system includes a heat sink containing a suitable heat storage fluid, a heat source, heat transfer means, a preheater means, hot water feed means, and circulator means. The heat sink preferably takes the form of a closed container operable in the manner of a boiler and filled with a suitable heat storage fluid.

Abstract: The invention discloses an internal combustion engine of the type in which alcohol or alcohol-containing mixture and air undergo the thermal or catalytic reforming reaction, and the reformed gases containing hydrogen are directly charged or mixed with gasoline or the like and charged into the engine for combustion. The production of soot and tar during the thermal or catalytic reforming reaction may be minimized, and the emission of noxious combustion products may be also minimized.

Abstract: A dual mode control system for operating an electronic fuel injection system for an internal combustion engine so as to achieve an optimal compromise between engine emissions, fuel economy and driveability. A closed loop control circuit is provided which senses the amount of oxygen in the engine exhaust and normally drives an integrator in a closed loop mode of operation to operate the electronic fuel injection system at the stoichiometric air/fuel ratio at which the best conversion efficiency of hydrocarbons, carbon monoxide and nitrous oxides occur. An open loop control circuit senses high speed operation where hydrocarbons and carbon monoxide conversion are normally high and where nitrous oxide emission is not critical and clamps the output of the integrator to a predetermined value which operates the electronic fuel injection system at a nonstoichiometric, relatively lean, air/fuel ratio for improved fuel economy.

Abstract: An internal combustion engine which includes a main combustion chamber, and which is improved by the inclusion of an auxiliary combustion chamber, an ignition valve for controlling the establishment of communication between the main and auxiliary chambers, auxiliary fuel mixture feed means for feeding the auxiliary chamber, and an auxiliary piston in the auxiliary chamber for compressing the fuel mixture therein to ignition when the main chamber contains a compressed charge of fuel mixture, whereby opening of the valve means during ignition in the auxiliary chamber communicates combustion to the main chamber for ignition therein of a relatively lean fuel mixture.

Abstract: A multi-fuel internal combustion engine block, head and manifold assembly having a plurality of intake ports and exhaust ports communicating with a plurality of cylinders through one side of the assembly includes a low profile intake and exhaust manifold construction wherein separate, generally U-shaped intake and exhaust manifolds of generally elliptical cross-section communicate with the intake and exhaust ports, respectively, each of the manifolds including a planar face in contact with the face of the other manifold, the faces being of the same size and of a length corresponding to at least 50% of the total length of the intake manifold and of a width equal to at least 25% of the periphery of the intake manifold to facilitate operation on leaded gasoline, leadfree gasoline, or bottled gas.

Abstract: A fuel injection system is provided for a mixture-compressing spark-ignition internal combustion engine having continuous fuel injection into the engine intake manifold, and an adjustable throttle valve in the manifold. A flow sensing element in the intake manifold is arranged to move in accordance with the quantity of air flowing through the manifold to operate a fuel-metering valve for dispensing a quantity of fuel proportion to the quantity of air. A constant pressure valve is arranged to ensure a substantially constant pressure differential across the metering valve. The constant pressure valve has two chambers separated from each other by a movable partition element. A differential pressure regulating valve also has two chambers separated by a movable partition element. The first chamber has a constant pressure valve being subject to the pressure downstream of the metering valve and communicates with a fuel injection nozzle of the engine.

Abstract: In a low-pressure fuel control system increments of fuel and air flow from a vented receptacle sequentially into multiple fuel valves which are either actuated or responding to air pressure differentials and the latter can also be used for spark ignition.

Abstract: Disclosed herein is an ignition system for an internal combustion engine including a capacitor charged by charge power source, a thyristor for discharging the capacitor through the primary of an ignition coil and a magneto AC generator including a signal generating winding for supplying a gate signal to the thyristor. The ignition system is characterized in that rate of change of the magnetic flux interlinked with the signal generating winding has at least two successive local maximum points, so that at least two successive peaks of the same polarity appears in the voltage induced in the signal generating winding by the magnetic flux variation. The waveform of the voltage induced is utilized for ignition angle advance.

Abstract: An ignition system for a multicylinder internal combustion engine comprising a turn-on signal source for producing a turn-on signal a plurality of times per revolution of the engine output shaft, a plurality of trigger signal sources each producing a trigger signal once per revolution, and a plurality of gate circuits enabled by the trigger signal to permit the application of the turn-on signal to the associated one of a plurality of capacitor discharge ignition circuits. Thus each ignition circuit operates once per revolution. The turn-on signal is produced at angles varying with the engine speed, and various ignition angle characteristics can be obtained.

Abstract: An ignition system for a multiple cylinder internal combustion engine comprises a power supply, a plurality of ignition coils, a plurality of control circuits, each provided in association with a respective one of the ignition coils for controlling the primary current of the associated ignition coil, and a plurality of signal sources producing signals in turn and in time with the rotation of the engine, each of the signal sources provided in association with a respective one of the control circuits, and adapted to produce a signal in advance of the ignition timing of the associated ignition coil. Each of the control circuit includes a gate turn-off thyristor connected in series with the primary winding of the associated ignition coil.

Abstract: Electronic signal processing circuitry for use in the ignition system of an internal combustion engine is disclosed herein. A signal generator which receives crankshaft position pulses from a sensor and produces periodic output pulses which have durations equal to a constant percentage of the period of the input sensor pulses is disclosed. The generator includes a crankshaft position sensor feeding a bistable flip-flop which controls a dual slope integrator circuit having its output coupled to a comparator with the comparator output coupled back to the reset terminal of the flip-flop. The generator produces pulses at the output of the flip-flop which have durations equal to a constant percentage of the period of the crankshaft position sensor pulses. The dual slope integrator circuit produces a periodic ramp (sawtoothed) signal which is processed by a clamping circuit and a comparator to produce an ignition dwell pulse which occurs a fixed time before the occurrence of the crankshaft position sensor pulses.

Abstract: An air starter having a rotary air motor and a drive pinion mounted on radially offset drive shafts in axially disposed housings which are connected by an intermediate common flange. The flange provides a pair of grooves which are concentric with each other and with one of the shafts. Air passages in the two housings are disposed to communicate with the grooves regardless of the relative angular orientation of the two housings. Also disclosed is pneumatically controlled main air valve which incorporates a lubricator for injecting a charge of lubricant into the incoming air stream as the valve opens and a shock absorber to regulate the closing movement of the main air valve against the bias of incoming air pressure.

Abstract: A combination AC and DC electrical starting motor system for internal combustion engines has a first portion responsive to DC current for cranking a starter motor assembly of an internal combustion engine, and a second portion responsive to AC current for cranking the starter motor assembly simultaneously with the first portion. Each of the first and second portions of the starting motor system includes an electrical motor, which may be shared with the other portion, and an electrical solenoid connectible to a source of current for actuating the motor simultaneously with actuation of the motor of the other portion.

Abstract: An ignition system for rotary piston engines includes a glow plug in addition to the normal leading spark plug and trailing spark plug. The glow plug is mounted in the housing of the engine on the leading side with respect to the trochoidal minor axis in the direction of the rotor rotation and performs continuous ignition of the mixture during low speed and load operation of the engine. Thus, during the low speed and load operation the glow plug performs ignition in place of the leading spark plug whereas during other engine operating conditions the leading spark plug and the trailing spark plug perform the ignition of the mixture.

Abstract: A rotary engine, preferably operating on the 4-event Otto cycle, has a stator ring stationary on a base which also supports a shaft rotational about an axis. The stator ring has oppostie faces normal to the axis. A pair of rotor rings concentric with and mounted on the shaft abut the stator ring side faces. There are cylinders through the stator ring with their axes parallel to the shaft axis. Hollow pistons in the cylinders at their opposite ends bear against cam rings facing and complementary to each other and disposed in the rotor rings. The stator, pistons and cam rings define separate, variable volume chambers to which fuel mixture is supplied through ports in the stator ring and in the piston walls. Ignition devices fire the fuel mixture inside the hollow pistons. Exhaust is through ports in the pistons and stator ring. Lubrication and water cooling connections are provided to and from the stator ring.

Abstract: Apparatus for assembling a complete modular valve system, including modules containing manifold blocks in which are mounted valves, such as flow controls, checks, pressure reducers and reliefs, the modules being sandwich mounted between a directional valve and a standard subplate for use in conjunction with hydraulic cylinders and the like, and the valves being arranged in the manifold blocks so that multiple-function modules can be provided.

Abstract: An inexpensive mechanical launcher for launching certain toy disks consists of two predominantly planar pieces of pre-formed plastic material joined together forming a slotted receptor and a handle portion. A toy disk is inserted in the slotted receptor and engages a catch with its outside rim. A spring for biasing the disk against the catch is preloaded during insertion and is engaged with a notch on the disk rim. A plunger having a manually engageable trigger retracts the catch and allows the spring to return to its released position, thus flinging the disk in an outwardly spinning trajectory which can be influenced and altered by varying the axial position of the launcher before release.

Abstract: A bowstring release device for drawing and releasing a bowstring to propel an arrow to the target. The structure comprises a body, a wheel-like holding member and a wheel-like locking member. The holding member has a concave radius cut into its periphery that matches the periphery of the locking means. The locking means also has a radius cut into it's periphery that matches the periphery of the holding member. The two parts are very closely fitted on pivot pins so that the two parts are always in contact with each other. When the device is in a cocked position, the holding member is locked by the periphery of the locking member which extends into the radius cut into the periphery of the holding member.

Abstract: An andiron system, for use in a fireplace comprising a floor, a front wall defining an opening, a rear wall, a pair of oppositely disposed side walls and a chimney, includes ledge means fixedly secured between the side walls at a location adjacent the rear wall. The ledge includes an upper surface spaced above the floor to which a pair of spaced apart elongated channel means are fixedly secured. The system also includes a pair of andirons, each comprising a forward leg member resting upon the floor and an elongated generally horizontal member, including a first end and a second end. The first end of the horizontal member is attached to the leg member and the second end is nonpivotally received in the channel means to restrain the andirons from moving laterally relative to one another and the fireplace.

Abstract: The specification discloses fireplace heaters wherein U-shaped, heat exchanging ducts serve also as grates for logs, and each heater has two duct-like legs telescoping into the legs of the heat exchanging duct thereof. A front channel-like member is secured to the legs. In one embodiment, a box-like housing with a blower at one end portion and an outlet grille at the other end portion is secured to the channel member. In an alternate embodiment, a blower unit is attached to the channel member. Each heat exchanging duct may be inverted for either a flush-type fireplace or for a pit-type fireplace.

Abstract: The invention relates to a heater which is connected to the flue of a house. The heater includes a firebox, an intermediate plenum chamber and an outer plenum chamber. Either atmospheric or ambient air is introduced into the heater and led over the heated surfaces of the two plenum chambers before issuing into the space to be heated.

Abstract: A solar heat collector is illustrated wherein a flat box has an inlet port and an outlet port connected by a tortuous flow path defined by upright baffle means, said tortuous flow path including a plurality of individual side-by-side interconnected passageways.

Abstract: A solar heat collector having an array of liquid transporting tubes and a plurality of heat absorber panels joined by a tube gripping accommodation on each panel providing structural integrity and good thermal conductivity.

Abstract: A solar heat collector constructed from transparent material utilizes a circulating absorptive fluid medium to collect solar energy. The collector comprises a plurality of cascaded fluid reservoirs, each reservoir having a self-draining feature active during a stagnant condition.

Abstract: The invention provides a solar heat energy collector, more particularly of the kind used for heating water which comprises two members, for instance, metal sheets, between which is sandwiched sealing means located towards the periphery of the members to provide a receptacle. The two members are held in sealing contact with the sealing means by means of clamping means which is forced over peripheral portions of the two members. Provision is made for restricting movement of the sealing means between the plates and against dislodgement of the clamping means.

Abstract: In apparatus for indicating and regulating the pressure of a selected body fluid, an elongated indicator tube with pressure limiting opening means is carried in a vented chamber and mountable in a substantially vertical position. A drip platform circumscribes the indicator tube at a position below the pressure limiting opening means to channel fluid overflowing through the opening means away from the indicator tube and to permit the fluid to flow into the bottom of the chamber free of contact with the side of the indicator tube. The chamber in which the indicator tube is mounted may be defined by an elongated hollow member closed at each end with one-piece end closures which include integral attachment fingers for mounting the chamber and indicator tube in a vertical position.

Abstract: A portable biofeedback device for monitoring electric signals produced by muscle activity is disclosed. Electrodes attached to the skin of the person being monitored couple muscle signals to a preamplifier which amplifies the signal and does preliminary filtering of unwanted frequency components in this signal. Further high and low pass filtering and amplification is then performed such that only signals in a certain frequency range are amplified. Sensitivity control is added to enable the level of detected muscle activity to be selectively set. Both visual and audio feedback is generated from the filtered and amplified signal for use by the person being monitored. The visual feedback includes easy to read visual indicators, including an overrange indicator and underrange indicator, for displaying the varying levels of muscle activity.

Abstract: A digital sphygmomanometer is disclosed in which a conventional arm cuff and a compact high sensitivity pneumatic sensor measuring system utilizing mechanical/optical/electronic techniques rapidly and accurately converts one's own or a patient's blood pressure to encoded digital signals which provide dual latched three digit displays of systolic and diastolic pressures with countdown in 1 mm Hg increments on the respective displays of cuff pressure as it is decreased to systolic pressure and as it is decreased from systolic to diastolic pressure.