Abstract: A machine for forming heads on shanks, in particular nail heads, where the shanks are temporarily secured in a preferably rotary tool defining wholly or partially the shape of the heads and co-operating with a rotary roll. According to the invention at least one roll is adapted for internal rolling with respect to one or more of rings serving as tools, the shanks being located substantially radially in said rings.

Abstract: Low carbon steel strip is cold rolled with rolling reduction of 15 to 35% in final cold rolling step and annealed in form of tight coil at temperature of 520 to 600.degree. C. to provide product having grain size number of 4 to 7 and coercive force of not greater than 2.0 Oersted as measured with initial magnetization field of 25 Oersted. The product is especially suitable for manufacturing shadow mask of Braun tube for color TV.

Abstract: Apparatus for the continuous production of half hard copper tubing wherein the copper tubing is fed from a roll to a tube storage means in which a continuous length of tube is stored in one or more lengths in such a manner that the front end of the tube can be drawn rapidly from the storage means while the tail end of the tube remains stationary, a movement of the tail end of the tube is arrested, the front end of a further coil of tubing is joined to the stationary tail end of the tube in the storage means as the front end of that tube is fed forward, and the movement of the tail end of the tube restarted. The above operation is carried out while feeding tubing from the storage means continuously and sequentially through an induction annealing furnace, through quenching means and thereafter to a draw finishing or coiling line.

Abstract: A method and apparatus are disclosed for forming a drawn container pan having planar side walls and smooth curved corner walls the upper edges of which are formed with an outwardly directed peripheral stacker ledge and an upstanding rim, and wherein the pan is formed by drawing the peripheral edge of a blank between clamping surfaces under selected pressure differential at the portions of the blank forming the side and corner walls of the pan. A method and apparatus are also disclosed for trimming the drawn pan and forming stacking protuberances adjacent the corners of the pan.

Abstract: Method and apparatus for forming a series of elongated troughs having different widths at their opposite ends into a metal foil strip in several forming stages with the aid of sets of upper and lower dies which, one after the other, engage the metal strip which is promoted stepwise from stage to stage. The troughs are formed in a pre-forming stage with the same width at both ends and in the final forming stages the width of the trough at one end is reduced by the formation of pleats so as to obtain the final form of the troughs without bending of the strip.

Abstract: A strip material is subjected to an end bending step, and subsequently the bent ends of the strip material, namely, those portions of the strip material which are located adjacent to its abutting ends, are pre-coined to increase the accuracy in the region of the abutting ends, followed by a conventional U-bending and a final coining step, thereby producing a cylindrical material. The use of the pre-coining step for the abutting ends improves the circularity of the cylindrical member.

Abstract: A double acting, self-contained small diameter (31/2 inch) combination hydraulic-mechanical swage is disclosed using an arcuate guide having sliding contact with pivotal arms over a majority of the length thereof, the arms being pivotable with identation tips thereon for deforming and connecting together two small (less than 7 inches or 18 centimeters diameter) telescopic tubes for casing repair.

Abstract: A crimping machine has a rockable hydraulic cylinder which in a force transmitting position drives a die segment assembly into a tapered cavity to force the assembly to contract radially for crimping the socket of a fitting onto the end of a hose. The die segment assembly is a unitary chain of linked die segments which may be fed into and removed from the die cavity in a serial manner to avoid obstructions. A floating die separator with axial projections engages angular surfaces on the bottom of the die segments to position the segments prior to crimping in a circular array which is equally circumferentially and radially outwardly spaced.

Abstract: A press crown having a central plug characterized by having a greater stiffness than the surrounding transitional region connecting the plug to a plurality of lugs. The shape of the press crown transfers a significant portion of the deflection to occur in the transitional region. This substantially reduces the possibility of the deflection causing undesirable lateral forces to act upon the tooling apparatus.

Abstract: Apparatus for the repair of automobiles of unitized body and frame construction comprises a shank member attached to one or more flange members, said flange members adapted for direct connection to the suspension mounting strut on the inner apron of an automobile fender. The apparatus provides a secure attachment to the suspension mounting strut, and means for applying force thereto, for use as a means of securing the automobile during work, as well as a means of correcting suspension misalignment.

Abstract: The invention relates to arrangements for straightening damaged vehicle bodies by means of straightening devices which pull and/or press, which is of the kind having a transportable alignment bar equipped with retractable wheels, said alignment bar during a straightening operation being lowered to rest on a floor joist and being fastened in a conventional way to this joist with bolt connections or the like, said alignment bar consisting of a baseplate and at least two upright wall elements attached thereto, which together form a substantialy U-shaped profile with a longitudinally extending guideway for at least one straightening assembly displaceably mounted in or on the alignment bar and comprising at least one upright beam for attachment of the straightening devices.

Abstract: The pick-up is characterised in that it comprises a body which is flexible in its length and fixed in its cross-section and which is disposed between a plate for receiving the applied force and a support plate, the said body containing a liquid which converts the force into pressure, said body also being connected to a pressure transmitter.

Abstract: An improved oxygen sensor of the type adapted for installation in the exhaust conduit of an internal combustion engine. The improved sensor uses a metal oxide element to sense the partial pressure of oxygen in the exhaust gases to which the sensor is exposed. The sensor has a steel body and a ceramic member which extends into the exhaust gases to permit the exhaust gases to produce variations in an electrical characteristic of one of the sensor components. The improved sensor has a perforated protection tube that has a radially extending flange. The flange is located between the steel body and the ceramic member, which forms a seal preventing exhaust gases from inside the engine's exhaust conduit from leaking beyond the sensor to the atmosphere.

Abstract: In a chromatographic analysis system, carrier fluid containing a sample fluid and pure carrier fluid are alternately supplied to both first and second fluid inlets of a chromatographic detector. Lock-in detection of the output of the chromatographic detector based on the frequency at which the carrier fluid containing a sample fluid and pure carrier fluid are alternately provided to both of the fluid inlets of the chromatographic detector provides a significant signal-to-noise improvement in the chromatograph.

Abstract: Disclosed is a holder which may be used for mounting equipment, such as sensing apparatus, within an otherwise closed environment. The holder is anchored and sealed to a landing device and may extend a mounting section into the interior of such a container. The mounting section is releasably attached to a seal section of the holder, which is selectively oriented by cooperation between an orienting device, fixed to the seal section, and a contoured surface within the landing device. The seal section is connected to an anchor section of the holder by a projection of the seal section into the anchor section. A washer spring operates as a clutch between the seal and anchor sections.

Abstract: An engine tester for determining relative compression by cylinder is disclosed. The tester includes a processor which samples starter current in response to input signals based upon engine cylinder firings. The processor correlates the starter current data and the input signals to identify the current by cylinder.

Abstract: A heat transfer calibration plate for use in obtaining data for determining the heat transfer coefficient in a wind tunnel test system having a copper plate mounted in an aluminum support plate. Nine heat flux gages are positioned in a horizontal and a vertical row with a center gage common to the two rows. A heater is provided to heat the plate to the desired temperature. Thermocouples are provided to indicate plate temperature. Outputs of the thermocouples and heat flux gages are recorded on a recorder. All of the heat flux gages except the center gage are connected to the recorder through a rotary switch. Plenum temperature and pressure are also recorded.

Abstract: A method for continuously measuring the steepness of a defective flatness of a metal strip during rolling, which comprises: detecting a variation in the relative distance between a metal strip during rolling and a distance-detecting means arranged adjacent to the surface of said metal strip, during the travel thereof between two support rolls arranged at a prescribed spacing, by means of said distance-detecting means, as a vibration including a vibration corresponding to a defective flatness produced in said metal strip; calculating the natural vibration frequency of said metal strip during the travel thereof between said two support rolls, from the detected value of the tension applied to said metal strip during the travel thereof between said two support rolls, the specific weight of said metal strip, and the distance between said two support rolls; cutting off the frequency components, which are below said calculated value of the frequency of said metal strip, from said detected value of the vibration of s

Abstract: A method and apparatus for analyzing selected properties of a ferromagnetic material by magnetically inducing acoustic emissions in the material. The acoustic emission response is measured at a plurality of values of a selected response parameter, the response parameter being characterized by an acoustic emission response which, for each of its selected values, varies in mutual nonlinearity with the acoustic emission responses for the other selected values. The measured acoustic emission responses are compared to each other and to standard responses, thereby providing a more reliable measurement of the selected property than is attainable by analyzing at only one value of the response parameter. Comparing the ratio between acoustic emission responses at different values of the selected response parameter, with standard response ratios for the same response parameter values, further enhances reliability of the measurement.

Abstract: A system for coding and identifying an article is provided wherein a plurality of pellets are secured to the article. The pellets are each constructed from a known material and the thickness of the pellets vary. Each pellet may be identified by the measurement of the time that it takes for a known traveling wave, e.g. an ultrasonic wave, to pass through it.

Abstract: The method for detecting non-uniformities of magnetic materials resides in the use of the direct and inverse electromagnetic-acoustic conversion, effected in the zone of magnetic non-uniformities of magnetized articles. The method is characterized by effecting said conversion in an intermediate layer located in the vicinity of the material being inspected. As the intermediate layer, materials with great values of dynamic magnetostrictive constants are used. The use of the intermediate layer of a predetermined configuration enables estimation of the non-uniformity value not only singularly by the amplitude of the established elastic vibrations, but also by the number of recurrent pulses whose pulse-height distribution is conditioned by the damping factor of the intermediate layer.

Abstract: The present invention relates to an apparatus for providing an ultrasonic sectional view by exciting elements in a plane ultrasonic transducer to form focusing waves. The reflected waves are received and time-coordinated by means of a circuit for each element or each set of elements, whereby the reflected waves are geometrically correctly placed in a visualizing screen. According to the invention the circuits are uniform.

Abstract: A load monitor for a reciprocating machine having a selective sensor connection for monitoring the total load or the individual load on each machine support member. A sensor is mounted on each one of a pluralityof support members. The sensors are connected in series and to an outlet through which a portable detector may be connected. A multi-position switch selectively connects the sensors to the outlet so that the total load or the individual load on each support member may be monitored.

Abstract: A liquid filled pressure pick-up or transducer comprises a housing, as strain gage sensor is supported in a liquid filled cavity in the housing and a membrane extends across an opening in the housing. A force transmitting rod connects the membrane to the strain gage sensor. In order to avoid damage especially to the membrane by extreme excess pressures, a plastically deformable support member acting as a stop is operatively held in the housing substantially in parallel to the membrane whereby the rod extends with play through the support member. An elastic seal extends around the rod hole in the support member toward the membrane. A substantially mirror symmetrical arrangement of two membranes and two support members results in a differential pressure transducer.

Abstract: A voltage controlled oscillator (VCO) system includes a feedback loop for maintaining the linearity, temperature stability and accuracy of the VCO. The feedback loop includes means for producing a fed-back train of pulses having an amplitude equal to a reference voltage and a duty cycle proportional to the ratio of the frequency of the output of the VCO to a reference frequency. The output frequency is thereby made proportional to the input voltage times the ratio of the reference frequency to the reference voltage.

Abstract: A simple and inexpensive testing device for checking the tension of the strings of a tennis racquet, a badminton racquet or the like includes a string engaging member for engaging one of the strings of a previously strung racquet. This string engaging member may be bifurcated and be secured to a cylindrical block which is rotatably mounted in the front of a rigid elongated handle. A torsion element is mounted between the block and the rear of the handle, so that when the handle is rotated, and the torsion element is stressed, the handle will rotate relative to the block which is engaging the strings, and the amount of rotation of the handle relative to the block will be an indication of the tension of the strings. In addition, arrangements are provided for indicating that the string engaging member secured to the cylindrical block has been rotated through a predetermined angle.

Abstract: A method for testing the minimum pullout strength of a ground anchor for an oil well derrick or other towers (as an antenna, guy line, or the like) comprises (1) connecting a housing means to the ground anchor, (2) positioning an elongated means deep in the housing means, (3) inserting a shear pin of a predetermined shear strength through the housing means and the elongated means, and (4) connecting a load applying means to the elongated means for applying the predetermined shear force to the shear pin, so that while applying an increasing load to the elongated means if the anchor does not move prior to exceeding the predetermined tension as indicated by breaking of the shear pin, a safe, satisfactory, and reliable anchor is indicated.

Abstract: An improved process and device for facilitating micro-analysis of samples under ten microliters with good accuracy-precision wherein a sample together with another liquid substance are simultaneously delivered into a receptacle in a suitably small volume, including a self-cleaning feature enabling reuse without a specific washing step or changing a disposable part; additionally, such process and device include a capability for making serial dilutions.

Abstract: A serial release mechanism, a serial release method, and a discharge monitor including the mechanism, which mechanism includes first and subsequent actuators slidable in a frame between working and withdrawn positions, springs urging the subsequent actuators into their working positions, latch tabs carried by the subsequent actuators and triggers resiliently pivoted to the frame for releasably retaining the subsequent actuators in their withdrawn positions, a shaft of noncircular cross section and a plurality of saddles for releasing the triggers of the subsequent actuators and having operating fingers and being rotatable with the shaft and slidable therealong between first positions in which they are aligned with the triggers and second positions in which they are not so aligned, saddle springs resiliently urging the saddles along the shaft into their second positions, and shifter springs carried by the actuators and the frame, and effective when any actuator is in working position to displace the succeeding

Abstract: A ship drive system with main engine, main transmission and propeller shaft is supplemented by a transmission branch permitting power transmission in both directions. The branch includes an auxiliary engine, an a.c. generator selectively connected to that auxiliary engine and a controlled transmission unit interposed between the generator shaft and a branch shaft from the main transmission. The unit includes two planetary gear sets of different transmission ratios, their sun gears are mounted on the generator shaft, and a common spider for two sets of planet gears is mounted on the branch shaft; the two internal ring gears for the planetary gears are selectively, one at a time or none, immobilized for power transmission at the respective speed ratio.

Abstract: The present invention relates to an automotive transmission for an industrial vehicle. The main shaft of the transmission gear is hollow and internally splined to be slidable along and synchronously rotatable with an externally splined input shaft. Upon removal of a snap ring which holds at least two gears and a synchronizer (disposed between the gears) in place on the main shaft and the removal of a lock pin which interconnects the main shaft and the input shaft, the main shaft can be slid toward the clutch allowing the gears and synchronizer to be slipped, one by one, off the end of the main shaft and readily replaced with new units.

Abstract: Bearing apparatus for gear type power transmission systems comprising a gear casing containing a lubricating oil, gearing for power transmission retained in the casing and a bearing carried in the casing for rotatably supporting the gear shaft employs a seal for the bearing containing a lubricant so that the bearing is lubricated separately and independently of the oil in the casing.

Abstract: A cross drive transmission having a hydromechanical propulsion drive and hydrostatic steer drive. In the controls, a ratio governor has a set speed control wherein set speed is established in accordance with throttle position, steer request, engine power and brake torque. Advance and return signals regulate the speed ratio of the hydromechanical drive so input speed equals the set speed. A rate of change control provides fast increase of the return signal, slow increase of the advance signal in higher ratios and very slow increase of the advance signal in low ratio. Manual controls, return and advance signal control valves, shift signal valves and shift valves, in neutral, provide substantially zero displacement in the hydrostatic unit and neutral in the gear unit, and, in drive positions, coordinate hydrostatic ratio control and gear ratio control for continuous variable ratio change in the hydromechanical propulsion drive.

Abstract: A change-speed transmission in which gear-ratios are established by engagement of appropriate fluid-pressure operated friction brakes and clutches includes a manually-operable control for partially-engaging, to provide retardation of a vehicle, those friction brakes and/or clutches not in use at any time in establishing a particular gear-ratio. The control operates valves which ensure that the rates of power absorption per unit friction area in all partially-engaged brakes and/or clutches is approximately equal and that the degree of retardation so provided decreases with each down-shift of the transmission.

Abstract: In a hydraulic control system for an automatic power transmission, there is provided an upshift scheduling valve by means of which the release of a frictional unit contributive to the second forward drive gear ratio is retarded in relation to the rate at which a frictional unit contributive to the third forward drive gear ratio and further with the load on the engine so that the two frictional units are permitted to be concurrently operative for an adequate period of time preventing the engine from racing during shifting from the second gear ratio to the third gear ratio in the automatic forward drive range.

Abstract: A tool for facilitating the replacement of brushes, typically, carbon, brass or bronze, in a dynamoelectric machine comprises an elongated channel shaped portion including a generally flat bottom wall and a pair of parallel side walls forming the channel configuration. One end of the channel portion is integrally formed with a gripping portion and at the other end, the side walls are relieved. In use, the relieved end of the channel portion is inserted between the brush and the coil spring biasing it inwardly and the tool is fulcrumed to move the spring out of engagement with the brush.

Abstract: An opener for beverage cans utilizing "stay-on-tab" opening systems wherein the implement of the invention may be readily employed to open beverage cans employing such tabs without harm to the fingers. A stamped metal body includes a bridge adapted to be inserted under the container tab wherein raising the body handle portion lifts the tab and the nose end of the implement imposes a downward pressure on the scored container closure usually through the tab portion overlying the scored opening to deflect the closure to an open position providing access to the contents.

Abstract: A rod break-out and make-up tool for screwing and unscrewing drill rods that includes a lower clamp assembly having a jaw holder that has trunnions pivotally mounted on a mounting frame, and piston cylinder combinations pivotally mounted by the jaw holder for moving jaws divergingly upwardly to a rod release position and convergingly downwardly to a rod clamping position, a high-low drive assembly having a housing that rotatably mounts a spindle that has drive lugs, a lower ring gear fixed to the spindle and driven at a high speed, low torque by a reversible hydraulic motor, an upper ring gear rotatable on the spindle and driven by a piston cylinder combination operated rack, a ratchet assembly for transmitting a driving force from the upper gear to the lower gear in one angular direction and permitting the lower gear rotating relative thereto in said one direction, legs pivotally mounted on the trunnions for supporting the drive assembly, and adjustment mechanism connected between the frame and the housing f

Abstract: The power tool comprises a slit wrench having a pair of semi-cylindrical segments boltable to each other and defining a socket. At least one wrench segment has a laterally and outwardly-extending head defining a plurality of notches having ridges which are rounded and inclined to allow the application of a force thereto as by the rod of a hydraulic cylinder. A reaction-and-support structure serves as a mounting platform for the hydraulic cylinder. This structure also generates the required reaction forces. The rod of the hydraulic cylinder carries a drive pin which applies, during each power stroke of the cylinder, a drive force against consecutive notches, thereby rotating the threaded connector through a small angle during each power stroke of the cylinder.

Abstract: A wrench having an adjustable jaw on a neck slidably supported by a guide on a handle with segmental threads on at least one side of the neck. An adjusting nut is threaded on the neck and has segmental threads rotatably and drivingly engagable with the threads on the neck. The threads on the neck are axially slidable between the ends of the segmental threads on the nut in at least one rotated position of the nut. A U-shaped spring has spaced arms which springably engage the opposite axial faces of the nut to confine the nut therebetween. The spring has a connecting bight which is nonrotatably opposed to wrench handle. The arms of the spring defining openings through which slidably and nonrotatably pass the neck.

Abstract: A boring bar for machining an internal spherical surface. The bar has a cutting element and a holder therefor both of which rotate bodily with the bar and are simultaneously pivotable in a cutting operation about an axis transverse to the rotational axis. At the same time, the portion of the holder carrying the cutting element can be adjusted radially to the transverse axis for precise positioning of the cutting element. Remotely operable actuator mechanisms are provided, one for pivoting the holder to make the cut and the other for making the radial adjustment to set the cutting element initially to the desired radius dimension and subsequently to compensate for wear, the latter mechanism being uniquely constructed and arranged to make the adjustment while the boring bar is still rotating so as not to affect the normal cycle time of the machine and to provide solid support for the cutting element in all adjusted positions thereof.

Abstract: A method for the preparation of a spherical hob for generation of a gear, which has a plurality of hob blades formed on the surface of a spherical hob blank, is disclosed. This method comprises forming spirally on the peripheral surface of the hob blank projections having a section defining an involute tooth profile by means of a cutting tool, cutting and forming a plurality of blade spaces intersecting said projections to thereby form a plurality of spirally continuous hob blades, and forming reliefs on the side faces and peripheral face of each hob blade so that as the blade faces of the hob are cut, the tooth profile of each hob blade corresponds to the tooth profile before cutting with a certain amount of addendum.

Abstract: A continuous cold cut slicing system utilizing a slicing machine having a conveyor which feeds a loaf into engagement with a series of drums located on each side of the slicing machine channel; said drums are driven by a variable speed motor with the rotation of the drums providing a feed mechanism of the product to the slicing blade. A gripper assembly is provided which rides on guide shafts adjacent said channel with the movement of the gripper in the channel constantly being monitored by an encoder connected thereto and positive drive is supplied to the gripper towards the blade by a clutch means in conjunction with a rack and pinion arrangement. The positive drive may be synchronized with the feed of the drums. As the gripper approaches the knife, the drag may be placed on the gripper thereby compensating for pull of the blade.

Abstract: An apparatus for simultaneously cutting wire segments having acutely angled ends from a plurality of wires including guide apparatus and feeding apparatus for the wires, and a cutting device comprising a base, reciprocable shear plate and clamp plate, each of which has parallel grooves therein, with each also having sliding surfaces that are at an acute angle to the axis of the grooves. A collection plate is also provided to contain cut segments and transfer the segments to a common collection point.

Abstract: A trim press employs a hammer assembly to deliver a hammer blow to the punch of the press at the moment the punch begins to apply shearing pressure to material being trimmed. A spring system applies a steadily increasing spring loading to the hammer as the punch carrying platen moves downwardly in its operating stroke toward the die. A latch assembly, triggered by an abutment on the die, unlatches the hammer at the time the punch engages the material so that the downward velocity of the punch due to the downward movement of the platen is increased by a hammer blow as the punch moves through the material being trimmed. The spring system is operable to restore the hammer to its latched position during the upward stroke of the platen.

Abstract: The blade guide invention relates to devices employed in bread slicing machines to guide band blades. Mounting to increase cutting accuracy and providing for increased life and reduced tendency to seize the band blades is achieved by a blade guide (11) with body, guide and attachment portions (16, 17, 18) formed in a unitary construction. The guide portion includes spaced apart prongs (19, 21, 22) with improved wear surfaces (24, 31a, 31b) forming a channel (36a) for the band blade.

Abstract: A power driven saw is provided with an endless array of planar cutting members hingedly interconnected to form an articulated saw blade. The cutting members are disposed about the periphery of an elongated saw blade support structure to present a circumferential band of cutting teeth.

Abstract: Music playing apparatus for playing selected musical notes in accordance with a selected rhythm pattern. A rhythm pattern is selected having a multiplicity of intervals. The rhythm pattern is repetitively reproducible and musical notes played at any interval within the rhythm pattern may be selectively played as either an unaccented note or as an accented note. Selected musical notes are played at each interval within the rhythm pattern and the pitch of a selected note is determined. The pitch of a selected note is within a predetermined range of octaves in the chromatic scale and this range of octaves may be selectively extended. A tone generator generates audible musical tones in accordance with the established rhythm pattern, the selected musical notes, and the octave band within which the selected musical notes are found.

Abstract: An externally powered twin-barrel shuttle gun which has a shuttle having two firing chambers. The shuttle linearly moves between two positions so that the firing chambers are alternately fed a round of ammunition and discharged. The feed system has a pair of augers, each with a helical groove therein which receives a round of ammunition which obtains a dwell position on the zero pitched section of the grooves. A ramming system rams a round of ammunition to the firing chamber aligned therewith and simultaneously ejects any spent cartridge through a forward aperture in the housing. The spent cartridge is frictionally engaged by an axially aligned acceleration belt which quickly withdraws the spent cartridge from the firing chamber and accelerates it onto a deflection cam.

Abstract: A hydraulic booster for a brake system comprising a booster piston, a pressure-control device, an annular piston bearing against the booster piston and a central piston which is movable within limits relative to the annular piston by the brake pedal and actuates the pressure-control device. In this arrangement, the central piston and the annular piston are adapted to be coupled together after the force of a spring is overcome whereupon these two pistons are movable as one. The central piston is permanently subjected to the pressure acting on the booster piston when the brake system is actuated.