Abstract: The use of multiple field effect transistors, wherein only one transistor is sensitive to the presence of a particular element, is disclosed whereby similar responses to temperature and/or humidity fluctuations may be subtracted yielding a response to a particular element that is relatively insensitive to temperature and/or humidity variations.

Abstract: Apparatus and a process for collecting the output of a gas chromatograph are disclosed in which a heat sinking adapter at the output port of a gas chromatograph is connected to a collection tube having bulbous enlargements for collecting condensate and a ground tapered end for making a tapered seal to a tapered throat in the adapter. A collection vial with a conical cavity and having the same tapered throat as the adapter accepts a transfer of the collection tube from the adapter and is suited for direct installation into a centrifuge. The disclosure is of particular interest in microscale preparative gas chromatography.

Abstract: An improved device for testing the air permeability of an article, particularly felts and screens associated with the manufacture of paper products. The improved device incorporates a measuring channel traversed by air, and inserted into another cylindrical belt channel traversed by air, with both channels attached with their orifices to the test object.The fan wheel of an anemometer is placed inside the measuring channel to measure the flow rate, the air flow through the measuring channel being non-separating and irrotationally incident on the fan wheel. The measuring channel contains, in addition, sensor devices to determine the static pressure in the channel in order to enable a pressure difference control. The cylindrical belt channel and measuring channel are constructed in such a fashion that the flow rate and flow speed in the belt channel are approximately the same as the flow rate and flow speed in the measuring channel.

Abstract: The invention relates to a process and an apparatus for monitoring the hermeticity of filled containers closed by sealed-on or welded-on covers, or the like. The air or gas cushion present between the cover and the material with which the container is filled, is heated, and the change caused in the position of the cover, by the resulting increase in the volume of air or gas, is monitored, after which the containers which have been indicated as having missing or faulty covers, are removed.

Abstract: Apparatus and method for determining the fracture resistance of thin wall hollow articles when ironed, the method including the step of providing a drawing die and punch or a mandrel having a portion thereof tapered in a continuous, linear manner. The taper is such that it provides a continuous decrease in punch-to-die clearance when the two are moved together, and thus a continuous range of ironing reductions along the side wall of an article located between the punch and die. The taper of the punch begins adjacent the forward end thereof and is sized to effect conventional thinning of the side wall of the article at the onset of ironing. The final diameter of the taper of the punch, however, is such that fracturing of the side wall is assured in the ironing process.

Abstract: A missing bearing detector for an internal combustion engine in which the engine, at an early stage in the assembly process, is tested on the assembly line by rotating the crankshaft to move the piston assemblies through their reciprocal cycles; microphones are placed near the engine to pick up high intensity noises indicative of missing bearing parts; and encoder signals are generated for transmission to a comparator where they are compared to the noise signals generated by the microphones to indicate whether a bearing is missing and to indicate the particular piston assembly in which the bearing is missing.

Abstract: Detector apparatus (10, 50, 90) for measuring wind velocity and direction and/or ice accumulation. The apparatus preferably includes boots (14, 23, 24 and 70) for removing accumulated ice prior to measuring wind velocity and direction without the ice. A computerized system and program for determining the measurements in the detector apparatus.

Abstract: An aircraft instrumentation system includes a plurality of air-driven instruments and a primary air pump for operatively driving the instruments. An air pressure regulator, coupled to the primary pump, selectively exhausts compressed air discharged by the primary pump so as to maintain a constant desired pressure at the instruments, and a backup pump is provided for operating the instruments in the event the primary pump fails. To avoid excessive cooling of the backup pump when the backup pump is not being operated and the aircraft is at altitude, a shroud is mounted so as to form an air space around the backup pump. Warm air, heated through compression by the primary pump and exhausted through the pressure regulator, is collected by a housing surrounding the pressure regulator and is conveyed, through a conduit, to the air space to warm the backup pump when the primary pump is operating.

Abstract: A short multiple static pressure sensing probe that is compensated for both subsonic and supersonic speeds in the same probe and a family of such probes for different aircraft with each of the probes in the family having a common barrel configuration except for the final shaping of compensation surfaces and the location of static pressure sensing ports. In an assembly operation, heaters and interconnecting wires, bulkheads and pressure tubing are arranged, internal to the probe, to stay clear of predetermined areas in which static pressure ports may be located. In a finishing operation, compensation surfaces are produced and static pressure ports are created at selected locations in the predetermined areas, thus avoiding damage to internal parts.

Abstract: A windsock used for indicating wind direction is provided on an upper side with a multiplicity of spaced chevrons for enhancing the detection of wind direction. The chevrons are spaced from one another by such distances that each chevron represents the addition of 4 or 5 knots to the prevailing wind velocity. Accordingly, if 4 chevrons are visible from above, the prevailing wind speed is 4 to 5 knots greater than if only 3 chevrons are visible from above.

Abstract: Sensor for an apparatus for measuring the level and/or the quantity of a liquid medium in a vessel, for example a pressure vessel, provided with a carrier which may be mounted in the wall of the vessel, a first pipe fastened to the carrier and a second pipe positioned concentrically and insulated within the first pipe, which second pipe may be connected through a bushing member positioned in the carrier, wherein a conductor is wound at least locally on the first pipe, which conductor is insulated with respect to the first pipe and may be connected through a bushing member positioned in the carrier.

Abstract: A container (1) formed of two half shells has wall ribs (3, 4) extending parallel to each other from one side down to the lowest point in the container. A conductive foil (5) is fastened by rivets to said wall ribs. The conductive foil serves for measuring the level in the container. It is wetted on both sides by the liquid in the container. As a result, the resistance of the conductive foil (5) changes, as can be determined in an evaluation device. It is important that the conductive foil be held by holding means of the container wall (2) so that it can positively reach the lowermost point of the container and participate in deformations of the container.

Abstract: This invention discloses a linear position detector including a pair of elongated electrically conducting members disposed in a parallel arrangement and a plurality of magnetically activated normally open switches disposed at regular intervals following the lengthwise direction of the two elongated electrically conducting members, wherein each of the magnetically activated normally open switches provides electrical connection between the two elongated electrically conducting members when the magnetically activated normally open switch is closed. The combination of the two electrically conducting members and the plurality of the magnetically activated normally open switches are enclosed within a sealed elongated tubular container. A float including at least one magnet is secured to the sealed elongated tubular container in a sliding relationship.

Abstract: Disclosed are apparatus and methods for producing electrical signals that can be used to measure the speed of ultrasound in a moving web of paper. The apparatus employs a hollow cylinder in which a plurality of transducers are positioned to contact the web. Power supplied to the cylinder through mercury slip is filtered by power conditioning circuitry in the interior of the cylinder, thus enabling the delivery of clean electrical pulses to the emitting transducers. Signals from the receiving transducers are delivered to voltage-to-frequency converter circuitry in the interior of the cylinder, and the resulting electrical frequency signals are converted to optical frequency signals. The optical signals are then communicated across an air gap to receptors which are external to the cylinder. Thus, signals from which measurements of the speed of ultrasound can be derived are provided substantially free from noise generated by transmission through slip rings.

Abstract: An ultrasonic beam is sent into liquid metal from a transmitting point (3) outside the enclosure (1) containing the liquid metal, the beam is detected outside the enclosure (1) after it has passed through the liquid metal, the amplitude of the ultrasonic waves detected is compared with the amplitude of the transmitted ultrasonic waves and the attenuation of the ultrasounds produced by the passage through the liquid metal which may contain gas bubbles (2) is determined. The device comprises a wave guide (4) metallurgically connected to the enclosure (1). A processing unit (10) connected to the ultrasonic transducers (3, 6) measures the attenuation.

Abstract: A method for examining a layer having defects and in particular the thickness of a machining damaged layer on a surface of a sample by means of a focused ultrasound beam and a device for realizing the method are disclosed, in which a focused ultrasound beam is generated and ultrasound reflected by the sample is detected. Curves (called V(z) curves) representing the relation of the distance between a transducer detecting the reflected ultrasound and the sample versus the detection output are traced while varying the distance and this measurement is repeated while varying the frequency of the focused ultrasound beam. The propagation velocity of surface acoustic wave in the sample is calculated on the basis of the period in each of the plurality of V(z) curves and a frequency dependence characteristic curve for the propagation velocity is obtained.

Abstract: A reflex transmission ultrasonic imaging system and method are shown comprising an ultrasonic transducer array of either a two dimensional or linear type acoustically coupled to a subject. An ultrasonic energy beam is transmitted by the array into the subject to insonify an image plane, in the case of the two dimensional array, or a line in the image plane in the case of the linear transducer array. Electronic focusing is employed during the reception of echo signals for simultaneously focusing the transducer array at a plurality of focal points while echo signals are received from a range zone opposite the focal points. For the two dimensional array case, an array of focal points is provided in the focal plane, and in the linear array case a line of focal points in the focal plane is provided during reception.

Abstract: A capacitive pressure sensor that is fabricated by a batch process affords isolation for the sensing element and leads from the pressure media and provides stress isolation as well. The pressure sensor is made up of a sandwich construction including a silicon wafer which is etched from one side to make cavities in a plurality of desired locations to form deflecting diaphragms, one surface of which acts as a capacitor plate. A glass layer is metalized on both sides and has holes drilled in locations that align with the diaphragms formed on the silicon wafer. The glass layer is anodically bonded to the wafer to form capacitance gap of a few microns relative to the one surface of each diaphragm. The assembly of the metalized glass layer and the silicon wafer is in a preferred form sandwiched between two additional layers, and bonded together in a vacuum atmosphere. The four layer sandwich is then cut up into individual sensors.

Abstract: The measuring-value sensor according to the present invention for the measurement of extensions, for example in concrete or shotcrete, consists of a support member, having an extension stiffness value that is lower than the extension stiffness value of the material diameter displaced by the sensor. Transverse elements are located at either end of the support member, which induce the impact. By combining sufficiently large transverse elements that have a relatively high flexural strength and a support member that has the above-mentioned very low extension stiffness value it is made sure that extensions in the concrete are forced completely and without obstruction upon the support member by means of the transverse elements, so that when measuring the extension of the support member, the extension of the concrete is measured directly and without any distortion. The support member is suitably a hollow profile of aluminum or a plastic material, into which an additional profile, e.g.

Abstract: A test fixture for use in measuring the forces required to bend a test specimen throughout a range of temperatures includes clamps for gripping the ends of the test specimen while bending forces are applied intermediate the ends of the specimen, the clamps being carried by carriages movable in directions aligned with the test specimen and biased away from one another by constant force springs so that movement of the ends of the test specimen is permitted in response to temperature changes in the test specimen, against the constant bias of the constant force springs, thereby maintaining the test specimen in constant tension during the measurement of bending forces despite the changes in temperature.

Abstract: In a system and a method for measuring the rate at which powdered material flows from a container wherein a first analog signal representing the weight of the container is produced, the analog signal is differentiated to obtain a second signal corresponding to the flow rate and the second signal is passed through an adaptive filter. The adaptive filter includes a first low pass filter having a first time constant for producing a third signal and a second low-pass filter to produce a fourth signal.

Abstract: One or more rods are employed in the flow passage of the above-described flowmeter as the drag-producing bluff body. Conveniently, the rods can also serve as probes for sensing the pressure in the flow passage. In the preferred embodiment, one rod is radially oriented upstream of the restriction and another rod is radially oriented at an angle to the first rod within the restriction. The rods have hollow interiors connected to a .DELTA.P transducer. The first rod has a chamfered end facing upstream.

Abstract: A single tube parallel flow Coriolis mass flow rate sensor including a single continuous tube folded upon itself in a generally elongated helically looped fashion so that a straight input segment of the loop is positioned in parallel to a straight output segment and the fluid flowing through the loop flows in the same direction in both segments. The extremities of the two straight segments are rigidly joined together and affixed to an enclosing housing. An oscillatory drive mechanism is coupled between the straight segments at their mid-points and a pair of sensing mechanisms are coupled between the tubes at points intermediate the respective ends and their mid-points.

Abstract: There is disclosed herein an apparatus for converting mechanical quantities, such as mechanical force, into an electrical signal by a mechanism which minimizes explosion possibilities. The mechanism includes a transmission rod which passes through a circular passageway in a wall that separates the mechanical and electrical sections of the apparatus, the transmission rod being tiltable within the passageway to transmit mechanical movement to the electrical section of the apparatus.

Abstract: A differential mechanism including a housing, an elongate shaft disposed in the housing which is coupled to an object to be moved with the shaft defining a ring-handed thread along a first portion thereof and a left-handed thread along a second portion thereof. A right-handed nut is mounted on the first portion of the shaft in engagement with the right-handed thread, and a left-handed nut is mounted on the second portion of the shaft in engagement with the left-handed thread, with the right-handed and left-handed nuts being fixedly mounted for independent rotation within the housing, whereby selective rotation and prevention of rotation of said right-handed and left-handed nuts effects rotational and/or translational movement of said shaft relative to said housing.

Abstract: An axial cam structure is formed with outer and inner concentric shaft portions which are rotationally and axially movable relative to one another and which have formed at their interface sets of radially adjacent V-shaped camming cavities pointed in opposite axial directions with a camming ball disposed in each of the sets of cavities. The camming ball bears on the side walls of the cavity in the outer and, at its opposite side, the side walls of the respective cavity of the inner shaft portion so that any torque transmitted between the inner and outer shaft portions through the camming ball provides for corresponding oppositely directed axial forces on the inner and outer shaft portions.

Abstract: A power change-over mechanism of a vehicle for industrial machinery including a spool divided into two members: an outer peripheral side member having splines freely meshed with splines of high-speed and low-speed gears and an inner peripheral side member having a spline freely meshed with splines of first and second driving shafts, an inner peripheral sub-spline constantly meshing with the first driving shaft being further formed on the outer peripheral side member, the outer peripheral side member being clearance fitted onto an outer periphery of the inner peripheral side member, and the inner and outer peripheral side members being connected relatively movable with respect to each other in the axial direction through a damper means.

Abstract: A speed changing apparatus usable for a small car of the type including a bar-shaped steering handle and a speed changing gear mechanism having plural forward movement stages and a single backward movement stage is disclosed which is characterized in that shifting of speed changing gears to any one of the forward and backward movement stages is controlled by rotational displacement of a rotary type change cam and the apparatus is provided with a stopper mechanism adapted to limit rotation of the change cam within the range of an angle of rotation which is determined by the forward movement stages, wherein the stopper mechanism is released from the operative state by use of an actuating lever which is disposed on the handle, thereby assuring inhibition of an occurrence of damage or injury of gears due to incorrect handling by virtue of arrangement which is so made that shifting to the backward movement is achieved by very simple operation but shifting of any gear cannot be achieved unless handling is performed

Abstract: A control lever apparatus for actuating two sheathed control cables, such as push/pull cables, for connecting together two or more control stations, particularly in marine applications. A manual lever and sprocket are journalled for concurrent rotation relative to a body having a longitudinal body axis. A sheath anchoring structure cooperates with the body and has a sheath clamp adapted for securing the sheaths of the control cables laterally spaced apart and disposed parallel to the body axis. A length of chain passes over the sprocket and has two opposite end portions which extend generally axially of the body. A core connector is secured to each end of the chain and is adapted to be secured to the cores of the control cable assemblies. The apparatus provides a positive and simple mechanical connection between two or more control heads which can be simply installed, and for usual lengths of cable runs does not incur excessive frictional losses.

Abstract: A separable connecting device, in particular of a steering column for a motor vehicle, includes two shaft sections having end portions which overlap and each carrying a flange. The flanges are interconnected by connecting pins whcih are separable in the event of impact. The flanges carried by each shaft section are of identical shape, and the connecting pins are fixed to each flange and are slidably engaged in openings provided in the other flange.

Abstract: A control lever for motorcycle handlebars and the like has a dislocating pivot. A cable connected to the lever transmits a controlling force to a brake, clutch, or other machine. The pivot is a two-pronged fork element and a central element pivotally connected at a pair of joints, one joint for each prong of the fork element. A joint is a cylindrical rod with a hemispherical or other shaped end, and a socket with a cavity shape suitable to the rod end. A spring pushes a rod into engagement within a socket. A lip partially around the opening of the cavity defines the range of allowable twisting motion of the lever arm. When the lever is forced out of the direction of its normal motion, the pivot elements dislocate, preventing damage to the lever. The force required for dislocation depends on the spring bias against the rod, the shape of rod end, and the depth of the socket cavity.

Abstract: A control cable assembly has variable travel length and variable types of end fittings. Interchangeable rods and hubs of varied configuration and length are selectively screwed onto the threaded heads of connectors fixed to the ends of the core and conduit respectively. Hub liners are snapped off at grooves to desired lengths and are positioned between the core and hub.

Abstract: A mechanism for actuating a non-slidable disk type valve, which comprises a hollow cam body having a specific guide groove and axially slidable without rotation within a stationary casing, a cam follower relatively movably engaged with the guide groove and carried on a rear end of an output shaft which is supported rotatably and inclinably by a bearing member inclinably supported by the casing, a valve drive shaft supporting a disk-shaped valve body via a crank and supported on a machine frame so as to be co-rotatable and co-inclinable with the output shaft, a connector socket extending forward from the bearing member into engagement with the valve drive shaft so as to slightly push down or raise up the valve drive shaft thereby to urge the valve body toward or away from a valve seat so that the valve takes its closing position or its preparatory position before the valve is rotated to take its releasing position.

Abstract: A crankshaft for a V-6 type of internal combustion engine having longitudinally spaced journals and crank pins connected by a series of nine arms numbered from the front end to the rear end of the crankshaft is provided with counterweights on the first, second fifth, eighth, and ninth arms only. A line between a longitudinal axis of the crankshaft and an axis of a forwardmost crank pin defines, with the longitudinal axis, a reference plane. The centers of gravity of the first and ninth counterweights lie in the reference plane on opposite sides of the longitudinal axis and balance each other. The centers of gravity of the second and eighth counterweights are disposed counterclockwise and clockwise in the same quadrants, respectively, from positions that are 150 degrees and 30 degrees clockwise from the reference plane, when the crankshaft is viewed from the front.

Abstract: An electromechanical device for activating a rotating post that moves the leaf of a swinging door on a vehicle, especially a mass-transit vehicle. An electric motor activates the column by means of an intermediate worm gear. The motor outtake shaft is coupled to the worm-gear intake shaft. A worm wheel is coupled to the worm-gear outtake shaft, which activates the rotating post. The electromechanical activating device contains an emergency mechanism for uncoupling the worm-gear outtake shaft from the worm wheel in relation to their rotation. The mechanism incorporates a coupling that can be disengaged between the outtake shaft and the worm wheel, which is mounted over it coaxially. The mechanism also involves several balls situated such that they can be forced into recesses in the outtake shaft while simultaneously engaging axial grooves in the inner surface of the worm wheel.

Abstract: A differential limiting device is provided for use in a differential mechanism adapted to divide and transmit a torque from an input shaft to two output shafts. The device includes an oil pump driven by the difference in revolution speed between two shafts selected from the input shaft and output shafts, a wet clutch equipped with two types of disks and adapted to connect said selected two shafts to each other by the pressure of a working oil discharged from the oil pump, and an orifice-equipped lubricating passage for jetting out the working oil, which has been discharged from the oil pump, toward the disks of the clutch in order to avoid possible burnout of the disks.

Abstract: A drive apparatus for engine auxiliary equipment comprises a drive pulley mounted on the crank shaft of an engine. The rotation of the axle of the drive pulley by the crank shaft is transmitted to the grooved body of the drive pulley by a planetary cone-type reduction gear. An output ring of the reduction gear can be moved along the surface of the planetary cones of the reduction gear by an hydraulic ram to change the reduction ratio. A pump driven by the rotation of the drive pulley pumps transmission oil sealed within the housing of the pulley to drive the hydraulic ram. The oil pressure applied to the ram is determined by the opening and closing of a solenoid valve, which is controlled by a controller in accordance with the operating conditions of the engine and the auxiliary equipment driven by the drive pulley. The reduction gear, the pump, the hydraulic ram, and the solenoid valve are housed within the drive pulley which is the same size as a conventional drive pulley.

Abstract: A drive apparatus for auxiliary equipment is disclosed which has a planetary cone reduction gear housed within a pulley which belt drives auxiliary equipment including a charging generator. An adjusting mechanism for adjusting the reduction ratio of the speed change gear is controlled by an electrical control circuit which is responsive to the rotational speed of the pulley. The voltage induced at the output terminal for one of the phases of a charging generator driven by the pulley is used as an electrical signal indicating the speed of the pulley.

Abstract: A helical planetary gear assembly includes a ball bearing secured to a housing, a carrier sleeve coupled with an inner race of the ball bearing and being axially restrained by engagement therewith, an input shaft supported by the ball bearing through the carrier sleeve, an output shaft arranged coaxially with the input shaft for rotation relative thereto, a sun gear secured to the input shaft for rotation therewith, a ring gear secured to an internal wall of the housing, a planet carrier arranged between the sun and ring gears, and a plurality of planet gears rotatably supported by the planet carrier and being in meshing engagement with the sun and ring gears, the gears each being in the form of a helical gear. The planet carrier includes a body member secured to the carrier sleeve for rotation therewith, and the input shaft is axially restrained by opposite ends of the carrier sleeve through a pair of axially spaced thrust bearings.

Abstract: A control system for a motor vehicle provided with a continuously variable transmission which has a transmission ratio control valve having a spool for controlling the transmission ratio. During the acceleration of the vehicle, the transmission ratio is quickly reduced in a low vehicle speed range, whereby speed of an engine is kept low compared with a high vehicle speed range.

Abstract: The automatic transmission has clutches and brakes to change the gear ratio. The clutches and brakes are independently actuated by hydraulic servos. A hydraulic circuit supplies oil to and from the servos to either actuate or release them. Within the hydraulic circuit are solenoids which respond to an electronic control. The electronic control regulates the pressure in the hydraulic servos by supplying signals to the solenoids. By providing a predetermined time delay in the sending of a signal to the on-coming servo during a gear shift, a smoother shift can be achieved. The shift is further improved by varying the time delay by a predetermined value based on the previous condition of the off-going servo.

Abstract: A control system (100) for an engine-driven auxiliary equipment (51) for a vehicle equipped with an automatic transmission (10) including a fluid coupling type torque converter (2) receiving power from an engine (1) to drive a driven wheel. The control system (100) is adapted to interrupt power from the engine (1) to the auxiliary equipment (51) under a condition that an instantaneous value (e.sub.d) of a gear ratio (e) as the quotient of a rotation speed (No) of an output shaft (3) of the torque converter (2) to a rotation speed (Ni) of an input shaft (2a ) of the torque converter (2) is lying in a region (e.sub.d <e.sub.c, e.sub.1, e.sub.2) corresponding to a state of torque amplification of the torque converter (2) where a predetermined value is exceeded.

Abstract: An accumulator designed to alleviate a so-called N-D select shock is connected in a hydraulic control system for an automatic transmission such that it can also alleviate a 3-4 shift shock. The accumulator includes a piston and a spring biasing the piston. The spring force of the spring is appropriately set such that the piston starts moving against the spring in response to small pressure build-up of a drive range select pressure.

Abstract: A control system for a continuously variable transmission has a line pressure control valve having ports and a spool for controlling the line pressure of oil supplied to a cylinder of a pulley device to change the transmission ratio. The line pressure control valve has chambers. When a motor vehicle is decelerated at coasting of the vehicle, the spool of the line pressure control valve is shifted by controlling the amount of oil supplied to the chambers of the valve, so that the line pressure increases in accordance with the magnitude of the deceleration.

Abstract: A system for an infinitely variable belt-drive transmission for an engine comprises a primary pulley having a hydraulically shiftable disc, a secondary pulley having a hydraulically shiftable disc, a belt engaged with both pulleys, and a hydraulic circuit. A transmission ratio control valve having a spool is provided to be responsive to engine speed for controlling the oil and for shifting the disc of the primary pulley to change the transmission ratio. Pitot pressure dependent of the engine speed is applied to the spool to shift it against a spring, the force of which is determined by the depression of an accelerator pedal. The load on the spring is increased to provide a downshifting operation of the transmission, when the large transmission ratio range is selected.

Abstract: A long nose locking hand tool having a pair of opposing jaw members, a fixed handle, a movable handle, and lever locking means therebetween for maintaining a toggle relationship between the jaws when in a closed position; wherein each of the jaw members comprises a jaw face having a total jaw length to average jaw height ratio of from about 6.5 to about 8.5 made of an alloy spring steel with a hardness range of from about 53 to about 57 Rockwell C, having a nominal parallel opening when they are spaced apart, approximately 3/16 inch, thereby enabling said jaw members to clamp a workpiece up to 3/16 inch thick.Furthermore, said fixed handle has an adjustment screw and a strike surface with an axis passing through said strike surface defining the direction of a line of force impartable to the hand tool; said pair of jaws further defining a bisecting axis formed by the angle of said jaws when closed against a workpiece, and the angle between said axes being less than 50.degree.

Abstract: In accordance with the present invention, there is provided a cutting tool having a cutting tool insert which is automatically rotationally indexable. The cutting tool includes a shank and an indexable cutting tool insert rotatably connected to the shank. The insert includes a plurality of cutting edges and side surfaces therebetween. The cutting tool is also provided with an indexing device, lock pin, cam plate and eccentric cam pin. The indexing device comprises a sliding key and a pair of spring metal legs attached thereto for engaging a serrated portion of the lock pin to which the cutting tool insert is attached. The indexing device is effective for indexing the insert on the lock pin upon rotation of the cam pin which effects a lateral movement of the cam plate along the longitudinal axis of the shank whereby the cam plate engages the sliding key causing it to also move laterally to engage the indexing legs on the lock pin resulting in rotation of the lock pin and the cutting insert attached thereto.

Abstract: A conveyorized vacuum table comprises a conveyor for feeding and supporting limp sheet material and a vacuum system which applies vacuum to the sheet material while it is being fed and/or worked upon. The conveyor comprises a penetrable support bed and a plurality of vacuum chambers which move with the support bed and communicate with it. Means are also provided to apply vacuum to the vacuum chambers to cause the conveyor to hold the sheet material for cutting or other work operations.

Abstract: A fuel element bundle cutter that has horizontal rod bundle feed. A portion f the radioactive dust that is produced when a rod bundle is cut is picked up by scavenging air and is withdrawn with the latter via the chute for the cut-off rod pieces. The bottom of the lower part of the cutter housing, between the housing wall that faces the rod bundle feed and the side walls of the housing, is embodied as a grating, on the bottom side of which is disposed a base plate to which is connected a withdrawal mechanism that includes at least one collecting funnel and withdrawal channel for the remainder of the radioactive dust, which is conveyed by a portion of the scavenging air from the cutter housing. Each withdrawal channel communicates with the chute for the cut-off rod pieces.

Abstract: Button cover cutting press apparatus includes a frame and a cutter secured to a movable cutting head, and the cutter head and cutter are moved relative to the frame on a central guide rod by means of a lever. The guide rod also acts as an ejector to remove the material cut by the apparatus.