Abstract: A storage container for storing goods which are highly sensitive to deviations in temperature comprises at least two detachable sections made of a heat-insulating material. Each section is recessed so that when the sections are brought together a space is defined for receiving a storage box. Arranged in heat-conducting contact with at least one wall of the box is a thermo-block containing a substance selected from the group deuterium oxide, undecyl cyanide, 4 bromo-decanoic acid and 2 bromo-decanoic acid.One advantage afforded by such a container is that goods, such as whole bloods, sensitive to temperature changes can be transported between regions of radically differing temperature without detriment.

Abstract: A constant velocity joint for transmission of rotary motion between two angularly-displaceable shafts to maintain velocity of a driven shaft equal with a driving shaft regardless of the angular relationship of the two shafts. A ball-shaped member is rotatable about a first axis and is disposed and received in an outer member which is rotatable about a second axis. The ball-shaped member is fabricated from identical stamped metal halves which are welded together to form a hollow ball. Rotary motion is transmitted between the ball-shaped member and the outer member by diametrically opposed cam rollers which are rotatably supported on shafts which are fixedly attached to the outer member. The cam rollers engage flanges which extend inwardly from the edges of slots in the ball-shaped member. The outer member has a cup-shaped socket configuration which is complementally shaped to receive the ball-shaped member. The open end of the outer member includes an annular flange.

Abstract: The hook needle type knitting machine for the manufacture of ribbons comprises weft thread guiding means which include a pair of vertically movable side plates which support for axial movement at least one bar supporting the weft guides. The bar has a circular cross-section and is protected against inflections and rotation about its axis by an intermediate clamping member and a guiding rod slidably passing through a side plate. The guiding rod is secured to the bar by clamps which act as a thrust member for driving cam mechanism of the bar. The side plates and the needle bed are driven respectively, by a linkage including a driving eccentric shaft and a connecting rod. The needle bed is supported on two pivotable arms the length of which substantially exceeds the arcuate displacement of the needles so that this displacement can be considered as rectilinear.

Abstract: This installation for the treatment of a fabric impregnated with a liquefied gas comprises a treatment tank containing a treating bath, means for conveying the fabric through the treating bath, means for heating the treating bath over all or part of the path of travel of the fabric and a degassing device independent of the treatment tank and connected thereto by pipes for the circulation of the treating bath.

Abstract: A new structural design for a washing basin within a laundry machine wherein independently pivoting washing bars are attached at suitable spacings to the basin. Said washing bars may be pivoted to any angle by means of the water flow. The toughness and flexibility of the washing bars disrupt the water flow, frictionally engage the items being washed and knock the items so as to enhance the cleaning process.The dependently pivoting washing bars have spherical bases which are pivotably positioned on the outer wall of the laundry basin by packing rings and sockets. The washing bars extend through soft water proofing washers protecting caps on the inner surface of the basin wall. When a bar is struck by the rotating water, the spherical base may freely rotate within the socket permitting the bar to rotate so as to disrupt the water flow and to frictionally engage the items being washed.

Abstract: A surface mounted rim type lock set assembly for use on fire doors wherein a latch bolt is adapted for release by operation of a cross-bar on one side of the door and for release independently by manual operation of a lever-type handle on the other side, the assembly including a locking slide which is held out of engagement with the handle hub by heat responsive means adapted to release the slide when a portion of said means is melted. Normal locking and unlocking of the handle is effected by a key in a cylinder lock.

Abstract: A rolling mill wherein a pair of upper and lower work rolls are rotated at different peripheral velocities with the peripheral velocity ratio being substantially equal to an elongation ratio at which a sheet metal is rolled, and the tensions exerted to the sheet metal entering and leaving the pair of work rolls are controlled in such a way that the velocity of the sheet metal entering the work rolls may be maintained equal to the peripheral velocity of one of the pair of work rolls which is rotated slower than the other while the velocity of said sheet metal leaving the work rolls may be maintained equal to the peripheral velocity of said the other work roll. Rolling may be accomplished without the need of wrapping the sheet metal around the work rolls, and the rolling pressure may be reduced to a degree comparable RD process.

Abstract: A rolling mill capable of rolling a sheet metal into a final product under a low rolling pressure without the need of wrapping the sheet metal around a pair of work rolls. The pair of work rolls are rotated at different peripheral velocities, and the tensions exerted to the sheet metal entering and leaving the pair of work rolls as well as the degree of reduction are so controlled that the ratio of the peripheral velocity of one of the pair of work rolls which is rotated faster than the other work roll to the peripheral velocity of the other work roll may be substantially maintained equal to the elongation ratio of the thickness of the metal sheet entering the pair of work rolls to the thickness of the metal sheet leaving the work rolls.

Abstract: A method and apparatus for forming a superplastic metal sheet features the utilization of a plunger movable within a chamber filled with finely divided particulate material to create a column of material arranged to bear against the metal sheet and effect mold forming thereof within a mold cavity heated to required superplastic forming temperature. The material additionally aids in minimizing loss of heat from the mold cavity and insures against non-uniform heating of the metal sheet.

Abstract: The invention relates to a bending or helix-forming apparatus operating by partial but continuous rolling of a long product on a resilient rim portion of a driven rotatable drum, to which portion it is applied by a plurality of rollers having axes parallel to that of the drum, with a pressure sufficient such that its adherence to the said resilient rim portion of the drum ensures that it is positively driven by the latter.

Abstract: A method and apparatus for correcting bow in crowned strip wherein a pair of complementary rolls receive the crowned strip, one roll of the pair being adjustable toward the other, and the assembly being adjustable transversely of the path of strip movement to correct bow.

Abstract: The present invention relates to mills for cold rolling of tubes, and more particularly to the improvement of a feeding device incorporated in a tube cold-rolling mill. The feeding device in question comprises a means for pushing the tube to be rolled, a driven continuously moving link arrangement connected with the tube pushing device through a device for transmitting continuous motion of said link arrangement into intermittent motion of the pusher means along the axis of rolling. The transmission device comprises a body, a sleeve slidable in the travelling direction of the pusher device by means of the link arrangement, and two coaxially arranged resilient members with different degrees of rigidity, one of said resilient members being preloaded.The resilient members each having its one end connected to the sleeve, and the other end to the pusher means, the other resilient member being connected to the body.

Abstract: An automatic edge turner for sheet metal that includes a pair of perpendicularly oriented bending blades. One of the blades is vertically oriented and is adapted to be reciprocated by a power tool such as a unit shear. The other blade is horizontally disposed and is fixedly positioned adjacent and below the reciprocating blade. The stationary blade is maintained in position by a holding unit which extends rearwardly and arcuately about the housing for the reciprocating blade. The stationary blade is adapted to ride underneath the edge of sheet metal to be bent, and the two blades have cooperating right angled surfaces for bending the edge of sheet metal as it passes therebetween.

Abstract: Titanium is advanced by increments through a heated pressurized die to yield a sized stress relieved part. Temperature zones are controlled across the die. Titanium as it advances in steps through the die allows time for soaking at forming temperatures and provides for advancement in steps to control outlet temperatures.

Abstract: A method for the controlled bending of a submerged pipeline is disclosed. The section of the pipeline which is to be bent is slightly elevated off the sea floor, preferably by buoys attached to the pipeline along its length. The end of the elevated section of pipeline is pulled in to the desired point of termination while a drag force is simultaneously applied to the elevated portion of the pipeline. The applied drag force should be sufficient to create a bending moment which causes the pipeline to bend along a well defined arc. Preferably, dragging means such as chains, cables, or clump weights extending from the pipeline to the sea floor are used to impose the necessary drag force on the pipeline and to control elevation of the pipeline above the sea floor.

Abstract: A reusable draw or ironing die includes a tool steel body having an axial hole therethrough. A first carbide insert is shrunk fit into the axial hole and a second carbide insert is press fit within the first carbide insert.

Abstract: An oil-filled thermometer tube is heated out and sealed. The tube is mounted with the bulb in a reference bath and sequentially moved through a reference station, a column height measuring station, a marking station and a sorting station. The measuring station includes a photosensitive camera having a columnar light source and a line array of photosensitive devices, which are electronically scanned to measure the column height. A plurality of sequential scans are made as a part of a pattern recognition system to insure a measurement only when an oil column has been scanned. The camera produces a digital output which is converted to an output signal to actuate a marker and a sorter at the respective stations.

Abstract: The present invention relates to a method and apparatus for measuring the viscoelasticity of a sheet material comprising a flexible organic and/or inorganic reinforcement impregnated with a synthetic resin, wherein a sample of said sheet is subjected to a heating cycle and, during this cycle, said sample is held stretched between two of its spaced-apart zones and a maintained reciprocating movement of constant amplitude, of direction coplanar with respect to the plane of said sample and transverse with respect to the direction of tension thereof, is imparted to one of said zones, then the variations in amplitude of the reciprocating movement transmitted to the other of said zones with the rise in temperature are observed. The invention is more particularly applied to the manufacture of composite pieces by assembling, by hot-pressing, a plurality of sheets impregnated with resin.

Abstract: Apparatus for determining the concentration of a component of a gaseous mixture by selective absorption of the component in a liquid absorbent and measurement of a property of the absorbent, such as the electrical conductivity, related to the concentration of the component therein, comprising an absorption cell for containing the liquid absorbent; means for bringing a stream of said gaseous mixture into contact with the absorbent; means for flushing the absorption cell with absorbent from a reservoir so as to recharge the cell with absorbent; and means for providing a first signal related to said property of the absorbent immediately after flushing the cell, for providing a second signal related to the property after a predetermined time, and for providing a third signal related to the difference between the second and first signals.

Abstract: A system for the automatic measurement of the level of material in a container and especially of liquid flowing through a channel is described. An echolocation system operates to detect returns of reflected sonic signals from the surface of the liquid in the channel during successive transmission cycles. A source of pulses is provided having a frequency which provides a certain number of pulses corresponding to the travel time of the sonic signals over a distance equal to a maximum predetermined level or head of the liquid in the channel. The time interval between signal transmission and reception in excess of twice the time for travel of the signals between the transmitter and the maximum level of liquid is a measurement of the liquid level in the channel.

Abstract: Early detection of cracks in non-permeable, structural members subject to stress is effected before the cracks traverse the member by:(a) forming a cavity in the structural member or adjacent thereto such that a crack forming in the structural member provides a passage for a fluid to flow between the environment and the cavity without passing through the entire structural member,(b) sealing a fluid passageway in fluid communication from the cavity to a source of pressure different than ambient pressure at the structural member and to a pressure sensor,(c) imparting a higher or lower pressure to the cavity and the fluid passageway, and,(d) monitoring the internal pressure in the cavity and fluid passageway with the pressure sensor,Such that a crack in the structural member penetrating to the cavity allows passage of fluid between the environment and the cavity and is thus detected by the pressure sensor.

Abstract: A cap inspection apparatus has an inspection stand and sorter for sorting defectively capped bottles from properly capped bottles. The inspection stand has a nozzle with a rearward flat bottom surface and a front inclined bottom surface inclined upwardly from the rear bottom surface. An air passage extends through the rear bottom surface. A low pressure air stream is operably connected to the air passage and passes through the nozzle. A pressure sensitive switch means is operably connected to the low pressure air stream. A solenoid valve is operably attached to the pressure sensitive switch means and controls a high pressure air stream operably connected to an air operated cylinder and rod. An ejection block is mounted at the end of the extendible rod for pushing defectively capped bottles.

Abstract: A method of measuring properties of a fluid in a container, wherein acoustic oscillation pulses are periodically applied to said fluid through the container wall and normally thereto, is disclosed. The acoustic signals are received in the zone of application of the acoustic oscillation pulses as envelopes of the pulse acoustic reverberation produced between the outer surface of the container wall and the fluid, said envelopes being used to form an electrical signal carrying information on the properties of the fluid. A device for measuring properties of a fluid in a container comprises an acoustic transducer positioned directly on the outer surface of the container wall and a series-connected circuit, composed of an electric pulse time delay unit, a gating pulse generator and a gating acoustic signal amplifier, coupled to the acoustic transducer.

Abstract: A freeze and thaw indicator is provided utilizing the expansion characteristics of water when it undergoes a change from the liquid state to the solid state. An ampul having one side made weaker than its opposite side is substantially filled with water. Indicator paper having ink printed on one side is situated adjacent to the ampul. The indicator paper and ampul are housed in a blister pack plastic container for protecting the ampul from breakage. When the temperature around the indicator reaches the freezing point of water, the ampul breaks. During a subsequent thawing, the water flows on to the indicator paper causing the ink which is printed on one side to wick up, thereby indicating that the freeze or thaw has taken place.

Abstract: A method for the determination of the static axial thrust of roller bearings under extreme operating conditions, which includes determining the amplitude of the dynamic deflection in an axial direction at an artificially produced weak point in a stationary bearing component, and employing the obtained value as a measure for calculating the axial thrust. The method employs sensors, such as strain gauge strips, applied to a stationary portion of the bearing to obtain the dynamic deflection of the bearing weak point.

Abstract: An apparatus for detecting an abnormal condition of a wire rope comprises a detecting element, a part of which is disposed adjacent to an outer surface of the wire rope for longitudinally moving and the other part of which is held on a supporter and which detects the abnormal condition of the wire rope.

Abstract: A probe with no-moving parts for measuring the vorticity of a flowing fluid. The probe consists of an elongated, cylindrical stem member having one end fixedly mounted, means for imparting to the other end of the stem member a torque which is proportional to the vorticity of a flowing fluid, and means for measuring the imparted torque. In a specific embodiment the torque imparting means consists of fins attached to the other end of the stem member and the measuring means consists of strain gauges oppositely wound around the circumference of the stem member. The strain gauge outputs indicate the torque being applied to the stem, and therefore provide signals proportional to the vorticity of the flowing fluid.

Abstract: Measuring apparatus for a system which includes a heat source such as a nuclear reactor and a utilization means such as a steam generator connected by first and second fluid conveying ducts in a closed circulation loop. A multi-path acoustic flowmeter in one leg of the loop obtains an indication of volumetric flow rate as well as an indication of the speed of sound in that leg. A multi-path acoustic measuring apparatus in the other leg obtains an indication of the speed of sound in that leg and electronic circuitry is provided for modifying the indications and combining them to obtain total thermal power.

Abstract: A probe adapted to fit an open end of a sewer or water pipe or conduit is provided with jets at an upstream portion and sensors at a downstream portion for detecting jetted fluid. In conjunction with timing means and with means for determining flow depth, such as a bubbler device, such probe provides highly accurate calculation of flow velocity by a rate computer. The velocity multiplied by the output of means for converting the flow depth to cross-sectional area of flowing liquid, provides the instantaneous flow, which integrated over time gives total flow.

Abstract: Method and apparatus for measuring the flow speed and the gas volume proportion of a stream of liquid metal wherein a magnetic probe is inserted into the stream of liquid metal and induces a first and second voltage according to Faraday's principle of induction in a first and second predetermined volume of the liquid metal stream, the time sequence of the first and second induction voltages due to speed fluctuations is detected as a measure for the flow speed by means of a first and second pair of electrodes at a known axial spacing L, the travel time .tau. of a predetermined volume of liquid metal from the first pair of electrodes to the second pair of electrodes is measured and the flow speed v = L/.tau. determined therefrom, and that the induction voltage, which decreases in magnitude with increasing gas volume proportion, is used as a measure for the gas volume proportion in the stream of liquid metal.

Abstract: There is disclosed a liquid velocity measuring apparatus comprising an actuable generator for providing a relatively high frequency signal to a transmitting transducer for directing an ultrasonic wave into a conduit through which liquid is directed. A receiver transducer is disposed to receive the acoustical wave as reflected from the liquid, and to provide an output signal to be amplified and demodulated to provide a train of high frequency pulses, the frequency of which is indicative of the velocity of the liquid directed through the conduit. The train of pulses is applied to a counter and a decoder for respectivey counting and decoding the pulses to provide a signal to a display whereby a digital indication of the liquid velocity is given.

Abstract: A method is provided for monitoring liquid flow in an open pipe or conduit wherein sensor means is located adjacent the invert or bed at the inside thereof and the depth of liquid is determined by the bubbler method. To minimize interferences with the liquid flow the bubble fluid is conducted from the exterior along the inside wall and to the vicinity of the flow bed in the pipe or conduit. The sensor means and the bubble fluid conductor are retainable in place by supporting means adapted to be expanded into secure frictional engagement with the inside wall of the pipe or conduit. The flow is determined by releasing the bubble fluid bubble-wise against the static pressure of the overlying liquid, sensing such pressure, indicating it in terms of liquid depth, and converting depth to flow by conventional methods.

Abstract: Apparatus for determining the liquid level in tanks, such as are used in recreational vehicles, which utilizes a pair of parallel plates secured to the outside of the tank to avoid contact with the liquid inside of the tank. The change in capacitance between the plates as a function of liquid level is utilized to generate an electrical signal indicative of liquid level. With the present invention, more than one tank can be connected to the same measuring electronics and the measuring electronics may be mounted at a central point, adjacent the liquid level visual indicator. The present apparatus is relatively independent of variations in conductivity of the liquid in the tank and relatively independent of operating frequency. The apparatus is relatively unaffected by the capacitance of long cables between the plates and the measuring electronics.

Abstract: An automated entrainment abundance sampler for the collection of ichthyoplankton specimens and its operation is disclosed. An inverted conical screen or net is utilized to collect specimens from water supplied by a suitable pump. After a set time period, the collected specimens are further concentrated in a secondary concentrator and transferred to a sample container. The conical screen is rinsed to insure that all the specimens are transferred to the secondary collector which is, in turn, rinsed to further insure that all the specimens are carried to the sample container. A suitable control system is provided to allow the sampler system to operate automaticaly in the collection of specimens over a preselected period of time.

Abstract: Linear acceleration responsive apparatus is disclosed wherein a sensing mass or bobbin is suspended so that a pair of series connected, oppositely wound circumferential coils thereon are positioned in oppositely directed radial magnetic fields produced by permanent magnet means. The bobbin is supported by hinge assemblies which also serve as flex leads and variable capacitance position pickoff means. A rebalance current is supplied to the coils by a servo amplifier in response to the pickoff signal. The magnetic flux components resulting from the rebalance current are equal and oppositely directed, thereby precluding any effect on the radial magnetic fields.

Abstract: Arrangement for determining cage rotational speed and bearing slippage for roller bearings by sensors mounted on a weakened location formed in a stationary component of the bearing during operation of the latter. The sensors measure the frequency of the dynamic deflection at the weakened location on the bearing caused by the bearing roll bodies rolling over the location, which can be calculated and analyzed to provide the required results.

Abstract: An imaging system, particularly useful for acoustic medical diagnosis of a human subject, utilizes an array of radiating elements or sonic transducers located side-by-side and positioned along the subject. Signals received by the transducer are applied to a pair of pattern generation circuits which weight the individual signals by factors of +1, -1 or 0. Graphs of the weighting factors as a function of transducer location have the likeness of cosinusoidal and sinusoidal Fresnel patterns, these patterns being produced by the two circuits. The weighted signals of each pattern are summed together, multiplied by cosinusoidal and sinusoidal reference signals and then summed together to provide a radiation pattern which converges from the array to a focal point in front of the array while eliminating a diverging pattern from a virtual focus behind the array.

Abstract: A pressure transducer, especially for measuring induction tube pressure in an internal combustion engine. The transducer includes an electrical inductor with a movable core displaced by pressure differences. The inductor is connected to a power source across a switch actuated by periodic triggering pulses. The voltage across the inductor is applied to a threshold detector which generates a binary level output signal, the duration of which is related to the inductive impedance of the inductor and thus to pressure. A logic gate receives the triggering pulses and the threshold detector output and generates an output pulse whose duration is related to the pressure. In another embodiment, the binary level output signal from the threshold detector is the output signal of the transducer.

Abstract: An indicator for recording the load at which a fatigue specimen breaks during the last cycle of a fatigue test. A load cell is attached to the specimen which is alternately subjected to tension and compression loads. The output of the load cell which is proportional to the load on the specimen is applied to the input of a peak detector. Each time that the specimen is subjected to a compression load, means are provided for appyling a positive voltage to the reset of the peak detector to reset it. Hence, during the last cycle of the tension load the peak detector measures the maximum load on the specimen. Means are also provided for disconnecting the load cell from the peak detector when there is a failure in the specimen.

Abstract: A tensioning device for maintaining a constant tension on continuous or endless drive members, such as continuous drive belts, chains and the like. A lever carries an idler roller at one end thereof which is adapted to engage the continuous drive belt, or the like. The lever is pivotally mounted on the engine, machine, or other apparatus which carries the continuous drive belt. A spring means is provided for normally biasing the lever in a direction to move the roller toward the belt to maintain a constant tension thereon. A spring biased wedge means is movably mounted on the lever for engagement with a cam means for holding the lever in an adjusted position. The spring biases the lever against the belt automatically to maintain a constant tension on the belt as the belt stretches or loses its tension. The wedge means permits the lever to automatically move in one direction to maintain a constant tension on the belt, but it restricts movement of the lever in the opposite direction.

Abstract: A multispeed reversible transmission shiftable under load having fixed rotation axes for a plurality of gears and respective clutches. The basic structure of the transmission comprises an input gear which forms a gear train for second and third gears each of which is rotatable upon one of the aforementioned fixed axes and is connected by a respective direction clutch (forward or reverse clutch) with fourth and fifth gears also rotatable upon the respective fixed axes and meshing with one another. These fourth and fifth gears are connected by first and second speed-changing clutches with sixth and seventh gears, respectively, locatable about the first and second fixed axes, an eighth gear being connected to the seventh gear and rotatable about the second fixed axis. The ninth gear meshes with the eighth gear and is rotatable about the third fixed axis and is connectible via the third speed-changing clutch with the tenth gear which meshes with the fifth gear but is rotatable about the third fixed axis.

Abstract: A vibration absorber includes a hub arranged for rotation during operation about an aixs, a mass encircling the hub and a plurality of resilient arms extending in a spaced-apart spiral pattern between the hub and the mass so that the mass rotates with the hub in a plane of rotation perpendicular to the axis and is capable of equal resilient deflection in any direction within its plane of rotation. In operation the absorber operates as a spring mass device and finds particular application in damping vibrations in a helicopter rotor due to the facility to simultaneously cancel vibration forces of different frequencies.

Abstract: A hydraulic control system for a vehicle automatic transmission includes: a first frictional engaging device operable for shifting to a low speed drive; a first hydraulic servo for the first frictional engaging device, a second frictional engaging device operable for shifting to a high speed drive; a second hydraulic servo for the second frictional engaging device; a throttle pressure control valve for delivering a throttle pressure associated with an opening of an intake throttle valve and the speed of the vehicle having the automatic transmission; and a shift valve for changing over a fluid path from the first hydraulic servo to the second hydraulic servo upon upshift of the transmission in response to the throttle pressure and a governor pressure of the system, and from the second hydraulic servo to the first hydraulic servo upon downshift of the transmission.

Abstract: A strap wrench has a handle having a strap element pivoted to the handle by a pair of links to permit passage of the free end of the strap portion between the links, whereby the strap may be wrapped in full circumscribing relation to a workpiece. The handle has a camming surface positioned to confront the exposed surface of the strap when it is wrapped around the workpiece and to engage the same and without moving parts to anchor the strap at that point when said handle is actuated to apply torque to the workpiece. The strap has a friction surface on the interior side confronting the workpiece and has a guide surface on the exposed side with lesser friction to permit the strap to slide over said camming surface prior to applying torquing action upon said handle to afford snug engagement of the strap with the workpiece. Preferably, the handle is formed of a one-piece rigid plastic composition having a density which permits the wrench to float near the surface of a body of liquid.

Abstract: A drain plug holder assembly includes a socket adapted for engaging and rotating a drain plug and includes liner members for insertion therein, having various thicknesses and designs to accommodate differently sized and shaped drain plugs. The socket has a plug retaining magnet positioned and connected therein, and a spindle which projects outwardly from the socket to facilitate manual turning of the socket and drain plug. The socket is tethered by a flexible cord or chain to an anchor, which is in turn, readily attachable to a stationary structural member for retaining the socket, as well as the drain plug held therein.

Abstract: A brake apparatus is disclosed for a motor driven saw blade, and includes a hub threadably attached at one end along its centerline axis to a drive motor, and attached to a saw blade via a flange formed on the other end of said hub, said hub having the shape of a cylinder. Also included are two brake shoes, one situated on each side of the hub, with each shoe including a brake pad portion thereon, such that when said brake shoes are actuated by brake actuation means operatively connected to said brake shoes, said shoes are caused to squeeze together to thereby brake rotative movement of said hub and therewith said saw blade. Means are also provided for adjusting the extent of brake shoe displacement during actuation as needed due to brake pad wear.

Abstract: A kitchen utensil for the preparation of food and adaptable and easily convertible to numerous uses such as chopping, juicing, dicing, slicing, comminuting, can opening and cracking of nuts. All food processed is collected in a receptacle forming a basic element of the apparatus. Novel means are disclosed for the quick but firm attachment of a chopping blade and can opener, to an operating lever, for use over the receptacle.

Abstract: Disclosed is a shearing device wherein a shear main body including an upper and a lower blades one of which is moved toward or away from the other for shearing an ingot is provided with eccentric means so that when the shear main body swings in synchronism with an ingot to be cut which is continuously moving, the upper and lower blades may be moved substantialy horizontally in the direction of the passage of the ingot especially when the shearing of the ingot occurs, thereby preventing the "nose bending" of the ingot.

Abstract: Improved apparatus for use in an electronic musical instrument having a keyboard including a group of keys corresponding to the notes of a musical scale. Electronic circuitry is used to generate simultaneously with respect to each of the keys first and second electrical tone signals. The circuitry causes the waveshapes of the tone signals to deviate with respect to each other. In addition, the repetition rates of the tone signals are detuned and frequency modulated with respect to each other so that the sound of a string chorus is simulated.The disclosure also describes circuitry useful in an electronic musical instrument having a keyboard including twelve keys corresponding to the twelve notes of a chromatic musical scale. The circuitry generates simultaneously a first series of twelve tone signals corresponding to a first tempered scale and a second series of twelve tone signals corresponding to a second tempered scale different from the first tempered scale.

Abstract: A pick-up for attachment to a guitar or the like is disclosed. The pick-up comprises an elongate flexible body having a thin, lower, magnetic base which affixes to the body of the guitar with an adhesive, the base comprising a sheet magnet. The sheet magnet is cut in the form of a rectangle, and it approximately matches the profile of a second sheet magnet cut in approximately the same rectangular shape. The second magnet serves as a core for supporting a coil wrapped around it on the periphery. The magnet and the coil wrapped around it are together sandwiched between opposite layers of sheet tin foil to serve as shielding. This, in turn, is placed in a plastic body which is shrink-wrapped around the turns of the coil. The lower magnet adhesively affixed to the body transfers vibrations from the body into the coil in the form of electrical signals. In addition, strings made of magnetic material co-act with the upper magnet to additionally form electrical signals.