Abstract: An apparatus for simultaneously packaging a series of elongate bodies or articles which are delivered to a packaging location while lying upon an at least approximately horizontal support. A longitudinally movable, endless toothed belt is arranged above the support. The teeth and the tooth gaps of the toothed belt confront the support. The tooth gaps are operatively connected through the agency of openings in the belt with a suction channel in order to suck-up the bodies lying upon the support into the tooth gaps. A stripper mechanism which can be raised and lowered is provided at the packaging location for lowering the series of bodies out of the tooth gaps of the toothed belt into a package located beneath the stripper.

Abstract: Disclosed herein is a lawn mower comprising a cutter blade housing supported for movement along the ground, a cutter blade assembly including a cutter blade, and a gear housing fixed to the cutter blade and including therein a first pinion and a second pinion in mesh with the first pinion, a drive shaft extending into the gear box and having fixed thereon the first pinion, and mechanism mounting the second pinion in the gear box about a rotary axis fixed with respect to the gear box, which mechanism is operable to selectively prevent and permit rotation of the pinion relative to the gear box.

Abstract: Disclosed herein is a lawn mower comprising a wheeled structure adapted for travel over the ground and a grass clipping collection apparatus including a grass catcher supporting frame supported by the structure and including an upper frame supporting a cover and a lower frame portion supporting an inner, disposable, air impervious, grass clipping collection bag, and an outer, flexible, air porous bag supported by the upper frame portion in position to enclose and additionally support the collection bag and including a flap facilitating removal of the collection bag from the lower frame portion and the outer bag.

Abstract: The present invention relates to an open-end spinning system and more particularly to a method and an apparatus for stopping and starting the spinning operation of the open-end spinning system in such a way that the end portion of the spun yarn of the previous spinning may be used as it is as the piecing-up end yarn for the following spinning operation. The apparatus of the present invention, includes means for positively braking the combing roller for concurrently and suddenly stopping the rotation of the combing roller and the feed roller and means for taking the end portion of the spun yarn out of the spinning rotor, maintaining the taken out portion in a deflected state with the end of the yarn disposed within a spinning tube, and releasing the yarn at the restart of the spinning operation so that said end portion may be injected into the spinning rotor.

Abstract: The invention relates to the production of yarns with individual filaments broken in a purely random sequence. This object is achieved by initially interlacing the uniform filament yarns either during spinning and before winding or between the winding bobbin and the drawing zone and subsequently subjecting parts of the outer layers of the interlaced filament strand to brief heat treatment on a contact heater before stretching.

Abstract: A bottle which may be used to contain a liquid has a timer mounted therein to provide an indication of elapsed time. This timer is formed from a transparent tube sealed at the opposite ends thereof and having an object which is free to move in the liquid and which has a specific gravity different from that of such fluid. The tube has a member at one end therof which functions to retain the tube in the bottle and to provide a spout for pouring the fluid from the bottle. In the preferred embodiment, timing is provided as a function of the speed of movement of the object through the fluid when the tube and bottle are placed in a generally vertical orientation.

Abstract: A hydrogen motor is disclosed which includes first and second chamber means for containing, respectively, a hydrogen-producing reactant and a hydrogen-replacing reactant that is reactive with hydrogen-producing reactant in order to produce hydrogen gas. The contents of the first and second chamber means are received in reactant chamber means which are in fluid communication with reservoir means for receiving the hydrogen gas produced by the reaction of the hydrogen-producing reactant and the hydrogen-replacing reactant. A gas mixing chamber is in fluid communication with the reservoir means for receiving the hydrogen gas and is also in fluid communication with a source of oxidizing reactant-gas. Compressor means compress the gaseous content of the gas mixing chamber which is then discharged into a combustion chamber where it is ignited prior to working on output means that drive an output shaft.

Abstract: A fuel combustion apparatus of a double-shell construction in which the inner shell is composed of an upstream small-diameter section, a downstream large-diameter section, and a conically-shaped connecting section between the two sections of different diameters, all the sections being aligned and connected together on a common axis. Fuel injection valve and a first air supply port equipped with swirl blades surrounding the valve are provided at the upstream end of the small-diameter section of the inner shell. The cylindrical wall of the small-diameter section is not formed with any air supply port, but second air supply ports shrouded with scoops are formed in the cylindrical wall portion of the large-diameter section close to the small-diameter section. On the upstream side of the first air supply port is installed means for controlling the rate of air supply to the same port.

Abstract: An organometallic polymeric resin is used to impregnate glass filaments (or oron, graphite, carbon, etc.) which are employed in the fabrication of composite motor cases and inert components of a solid propulsion system. The resulting motor case or inert component has the ability of regulating the amount of damage that a nuclear blast would inflict on the solid propulsion system to a level which is below the threshold damage value and the system remains operable. The metal of the organometallic polymeric resin is integral with the resin molecule. The preferred metal is tin which is effective in imparting an ability to stop or slow the passage of photon energy because of its capacity to absorb such energy.

Abstract: A variable cycle air breathing gas turbine engine includes a core engine having a combustor, a high pressure turbine stage and a low pressure stage and wherein the high pressure stage drives a compressor for the core engine and the low pressure stage drives a bypass fan for the engine. The low pressure turbine stage includes a row of tip mounted blades located in a first bypass duct and the engine includes auxiliary inlets and crossover valve means for directing air through the first bypass duct during a first mode of engine operation to cause the tip blades on the low pressure turbine stage to operate as an auxiliary bypass fan while the primary fan is driven during the first mode to produce a bypass ratio in a second bypass duct.

Abstract: A power unit having an endless belt immersed in a tank of water and disposed on upper and lower rotatable rollers in parallel alignment tightly enough to frictionally engage and rotate the pullies, there being transversely arranged and longitudinally spaced, relative to the belt, collapsible air buckets or air traps on the outwardly facing side of the belt. When operating, the belt has one part continually moving upwardly and an opposite part moving downwardly. The air buckets open downwardly and expand on the upwardly moving part of the belt; and those on the opposite downwardly moving part open upwardly in a collapsed condition. Air is pumped to a horizontally disposed discharge pipe adjacent the lower end of the belt, the pipe having openings for discharge of air into the succeeding lower open buckets to cause the buckets to be filled with air and expand the buckets so as to move buoyantly upwardly.

Abstract: A pin puller comprising a piston having a pull shaft extending from a cylinder in which the piston is slidable, is actuated by an explosive charge which, when ignited, develops a pressurized gas that is directed, through a transfer tube, into a chamber extending through the piston and into the piston shaft, from which it is directed outwardly through a port in the shaft into a sealed space behind the piston, to move the piston in a direction to exert a pull upon the shaft and a pull-actuated device connected thereto. The piston slidably receives the transfer tube and is sealed thereto to prevent short-circuit escape of the pressurized gas to the leading side of the piston. An electric circuit is provided for igniting the explosive charge when energized.

Abstract: The invention discloses a trench shoring panel is having an internal construction form made with continuous longitudinal elements connected vertically by analogous vertical elements suitably spaced. This panel has at its vertical sides at least one vertical end slot on one of its sides and on its other side a vertical projection that cooperate with said slot.

Abstract: Method of and apparatus for forming (casting) closed-ended hollow tanks of preferably circular or modified circular section and of diameter and height (length) ranging from small up to one hundred feet in diameter, a thousand feet in length and weighing one hundred million pounds, such as are suitable for under polar-ice transport and thereafter storage of petroleum, and for other uses as well. Forming and casting of such tanks is achieved preferably by slip-forming walls of concrete tanks (although conventional concrete forming and casting procedures and apparatus may also be employed), in ocean-depth water in which the tank is progressively submerged as forming and casting proceeds.

Abstract: A multi-zone heating-cooling system having a plurality of reversible cycle air heating and cooling units connected to a closed loop water circulation circuit, and at least one ventilating air tempering coil in liquid flow communication with the water flowing in the closed loop water circulation circuit and in heat exchange relationship with a stream of outdoor air such as might be used for ventilation.

Abstract: Constant boiling mixtures of 1,1,2-trichlorotrifluoroethane and cis-1,1,2,2-tetrafluorocyclobutane are useful as refrigerants, heat transfer media, gaseous dielectrics, expansion agents, aerosol propellants, working fluids in a power cycle and solvents.

Abstract: A portable apparatus for sequentially cooling a pluraity of containers of beverages and the like includes a portable housing containing the following devices. An evaporator circulates a refrigerant therethrough and defines a receptacle for receiving a container to be cooled in close heat-conducting relation thereto. A supply tank initially contains pressurized refrigerant sufficient for cooling a plurality of containers. A conduit transmits the pressurized refrigerant from the supply tank to the evaporator. A valve forms a part of the conduit and includes devices for actuating the valve to allow the flow of pressurized refrigerant from the supply tank and devices responsive to the flow of a predetermined quantity of refrigerant from the supply tank sufficient for cooling a single container for deactuating the valve device to stop the flow of refrigerant from the supply tank and provide the predetermined quantity of refrigerant to the evaporator for cooling the container received in the receptacle.

Abstract: A sliding constant velocity universal joint comprises an annular outer joint member with a polygonal bore within which a ball retaining cage is guided.

Abstract: A sliding constant velocity universal joint comprises an annular outer joint member having an axially extending portions interconnecting the adjacent two grooves of the outer member. Every axially extending portion makes a line-to-line contact with spherical outer surface portion of a ball retaining cage to provide two spaces on the opposite sides of the contacting portion of the axially extending portion.

Abstract: A telescoping torque transmission apparatus including an inner mandrel of upper and lower sections, a sleeve surrounding the mandrel and slidable thereon, a splined drive connection between the sleeve and mandrel with drive keys interposed between all drive surfaces of the spline drive, cartridge seals sealing above and below the spline drive and also defining upper and lower balance chambers between said mandrel and said sleeve, a port through said sleeve communicating with one of said chambers, a port through said mandrel communicating with the other of said chambers, a keyed lock ring having teeth to engage teeth on the upper end of the lower mandrel section and keyed to engage in the spline key ways of the upper mandrel section, a lock ring threaded on the lower end of the upper mandrel section to retain the keyed lock ring in engagement with the lower section teeth to prevent unthreading of the lower mandrel from the upper mandrel and a pressure equalizing valve communicating with the spline drive chambe

Abstract: A needle selecting system having a pair of rockable selector jacks mounted in tandem in each needle groove below the needle retained therein. The adjacent ends of the jacks are formed with butts engageable selectively by projecting elements of a pattern wheel mounted adjacent the needle cylinder, which causes the selector jacks to engage in appropriate paths in the cam system, thus displacing the needle. The cam system is arranged with surfaces which push back the selector jacks into their original position, which surfaces are formed in front of the clearing point for each yarn feed.

Abstract: A circular knitting machine comprises a needle cylinder, centered on a vertical axis, formed with a multiplicity of vertical guide grooves for respective knitting needles which have heels riding on an upper ramp surface formed by one or more lifting cams on a stationary support about which the cylinder rotates. A lower ramp surface acts upon the needles through respective hairpin springs, the two ramp surfaces diverging in the first part and converging in the second part of a descending cam section whereby a force stored in the springs at the beginning of a downstroke motion accelerates the descent of the needles toward the end of that stroke.

Abstract: In a four-high mill stand separate transducer means are provided for measuring gauge in the bite of the work rolls and for measuring the inclination of work roll axis to the horizontal. Means are provided for generating a gauge command signal proportional to the work gauge and a crown command signal proportional to the desired work roll crown. The gauge and gauge command signals are added algebraically and applied to control the roll pressure producing means in the roll stand, and the crown, crown command and the gauge signals are added algebraically and applied to control the work roll bending means so that changes in the roll bending force do not change gauge, and the gauge and flatness of the rolled product are automatically held constant. A roll crown measuring transducer for high lift mills is also disclosed.

Abstract: A seal for permitting a wire to be fed through a wall separating regions at different pressures, e.g. into and out of a vacuum chamber for heat treatment or coating, comprises a pair of die-shaped elements of hard rigid material each having a bore for passage of the wire, these elements being spaced apart in a tube extending through said wall, means for pumping air from said tube, and an internal wire guide in said tube adjacent one of said holders and having an internal diameter decreasing towards that holder.

Abstract: A hole expansion mandrel assembly for expanding holes through work pieces including a drive pin with a leading pulling section and a trailing driving shoulder; and a collet removably carried on the drive pin and abutting the driving shoulder where the collet has an expansion surface to enlarge the holes as the drive pin is used to force the collet through the holes. The drive pin may incorporate a fastener trailing the collet. The method of using the apparatus is also contemplated.

Abstract: The apparatus comprises a deflector roll over which the strip travels positioned above a downcoiler, an endless belt traveling just above the strip over the deflector roll, and two movable persuader rolls positioned within the belt loop. One roll is positioned beyond the deflector roll and, when depressed, wraps the lower flight of the belt and the leading end of the strip around an arc of the deflector roll so as to direct the strip end into the coiler entry. The other roll is positioned before the deflector roll and, when depressed, wraps the lower flight of the belt and the strip end around an arc of the persuader roll and up over the deflector roll so as to direct the strip end over the coiler entry.

Abstract: A discharge device for the reception in the axial direction of advancing rolled bars or the like and the discharge of same, this discharge device comprising essentially two rotating drums, opposed to another in a way so as to be rotated on parallel axles between them, substantially on the horizontal plane with an equal number of symmetric arrangements of external radial longitudinal grooves, which form external opposite channels suitable for the reception of the said bars, and in which in the longitudinal lateral opposite horizontal area of said rotating drums is juxtaposed a wall or shell to form a static containing case for the closing of the said channels in the restricted lateral area of each rotating drum, respectively in order to close said drums in the restricted area, wherein the closed channels in the cover section of the restricted area are to receive in opposition, respectively alternately the bars and by the way of the said drums, in order that said bars are respectively rotated into said channels

Abstract: A rotary metal extrusion apparatus comprises a rotatable drum having a circumferential groove around its outer edge. A shoe, fixed relative to the drum, projects into the groove to form an elongated passageway having one end blocked by an abutment mounted in fixed relation to the shoe. The abutment has an extrusion orifice or die therein or adjacent thereto. The extrusion material is fed into the other end of the passageway and is drawn toward the die and abutment by frictional forces of the drum's groove. The pressure on the extrusion material causes its yield point to be exceeded so that the material is extruded through the die orifice. The portion of the shoe which is in sliding contact with the drum comprises a bearing material to allow sliding contact with the drum surface and reduction of flash through the space between the shoe and the drum.

Abstract: The device employs an electrical transducer for measuring thermal deformation in a specimen with a high degree of resolution. The device basically comprises a link which linearly spans the specimen in the direction and at the location in which the deformation is to be measured, and a displacement sensor with a broad temperature range such as a capacitance-based linear displacement sensor. The link is fixed to the specimen at one end and free at the other end. The link is constructed with negligible thermal expansion such as by selecting a material for the link that has a very low thermal coefficient of expansion. In one embodiment the link is constructed in two different length sections each having a different thermal expansion coefficient with the sections extending in opposite directions to provide an effective or resultant expansion that is negligible with temperature change.

Abstract: An apparatus for accurately measuring the force required to crush pellets of solid material. A continuously increasing and accurately known crushing force is applied to the test particle by means of rolling cylindrical metal mass of precisely known weight.

Abstract: A thermostatic control has a power element, the integral cup shaped portion of which functions as a range lever adjusted by direct contact with a cam member. The cup element amplifies motion as well as transmitting motion. The normally deflecting portion of the diaphragm part of the power element is held stationary. This arrangement eliminates the necessity of a separate lever range and a bias spring and a lever pivot interface and results in energy spring. A molded drive lever provides the following functions: (1) drive switch mechanism lever; (2) a cut-in adjustment; and (3) a cut-out adjustment. The latter two functions are obtained without effect on the trip points of the load-controlling switch.

Abstract: An aircraft instrument with an acceleration compensation device comprises at least a capsule, a rocking axle, a link mechanism to transmit displacements of a free end of the capsule to the rocking axle, a first gear integrally provided with the rocking axle, a second gear meshed with the first gear and being rotatable, and weights. The weights are provided on the first gear and the second gear each correspondingly, and rotative force of the weights caused by an acceleration force works on the rocking axle so as to cancel the rotative force of the rocking axle by the displacements, due to the acceleration, of the free end of the capsule.

Abstract: An automatic weld flaw detector comprises a comparator for comparing the height of an echo from a detected flaw upon movement of a probe over each unit distance with a maximum echo height already known, a counting circuit adapted to work in response to the comparing action of the comparator so as to determine the distance the probe has covered, a device adapted to be actuated by the output from the comparator thereby to memorize separately the maximum value of echo height and the output at that moment from the counting circuit, and a recorder connected to the memorizing device.

Abstract: A device for indicating the interval for the flow of a predetermined volume of fluid. The fluid flow measurement device includes a housing having a cavity therein for being interposed along a fluid line. A flexible diaphragm having a convolution therein is included within the cavity for dividing the cavity into a first and second chamber. The flexible diaphragm prevents the flow of the fluid between the first and second chambers. A fluid port connects the second chamber to the fluid flow line. A fluid outlet connects the first chamber to the fluid flow line. The apparatus also includes a bypass for diverting the fluid flow from the fluid port of the second chamber through a fluid inlet into the second chamber, whereby the fluid flowing into the second chamber will displace the flexible diaphragm into the first chamber thereby expelling the predetermined volume of fluid from the first chamber.

Abstract: The invention provides a device for indicating the maximum permissible loads of a lifting appliance wherein a series of potentiometers are adjusted according to the variation of one parameter and control another potentiometer which is adjusted according to a second parameter, and means for assigning reference voltages to the series of potentiometers which means comprise, for each tapping, a series of polarisation circuits in parallel, each circuit providing a regulated voltage and controlled by a switch defining the instantaneous position of operation and simultaneously controlling all the polarisation circuits.

Abstract: A calorimetric probe for measuring heat produced in a fluid consists of a tube through which the measured fluid flows and having two thermoelements at intervals spaced along the tube, each being connected between the tube and a surrounding element having good heat transmitting qualities, the surrounding element itself being separated from the first tube by a column of air so that a comparison of the readings of the two thermoelements provides a measure of heat developed in the liquid while passing between the two thermoelements.

Abstract: An elongated temperature sensing probe of an electronic thermometer having a movable collar and an elongated probe terminating with a probe tip including a heat sensing element. A disposable cover having an elastic cylindrical side wall mounted on a closed end member is latched to the probe to enclose the tip and surround an elongated portion of the probe. The closed end member has a thin cone-shaped thermal window which is deformed into surface engagement with the probe tip when the cover is mounted on the probe. The probe collar and open end section of the cover have coacting releasable latch structure holding the cover in assembled relation with the probe.

Abstract: Direction of barometric pressure trend is portrayed by my invention. Changes in barometric pressure are amplified by a linkage member and converted into a signal by trend means to discern an increase or decrease in trend. Motor means receives the signal from trend means and activates display means to show the direction of barometric pressure trend.

Abstract: A pressure gauge comprises a gauge vessel filled with an indicating liquid that extends as a column into a reader tube; the gauge vessel has a deflectable wall portion such as a diaphragm that is resiliently biased, as by a plate spring pack in the gauge vessel, to resist inwards deflection under fluid pressure applied to a gauge port to which the deflectable wall portion is exposed. Deflection of the wall portion alters the liquid column length in the reader tube to indicate pressure.Differential and pressure-summing gauges are disclosed, as well as temperature-compensating arrangements.

Abstract: The present invention discloses a furnace gas sampling device provided with a gate valve of the type in which a swingable valve disk is actuated to seal a lance insertion hole formed through the furnace wall when a lance is retracted away from the furnace and a mechanism for discharging dust and the like out of the valve box while the valve disk sealing the lance insertion hole.

Abstract: Graduated pipette formed by a stem having an inner diameter of suitable size, while said stem is closed at the top and its lower end presents a beveled edge. The stem is equipped at a suitable height, with a lateral branch formed by a capillary tube with a rubber cap or bulb fixed thereto having a suitable configuration and size such as to delimit a bigger volume than the volume of the stem. The cap presents an inner volume sufficient to move an air mass which, with drawn liquid is enough to fill all of the stem portion below the branch.

Abstract: A hand-held micropipettor having a construction to impede transfer of heat from a handle to a portion enclosing a piston chamber, and means for drawing room air along the piston to effect its cooling when the micropipettor is operated. A compressible piston seal is held in place with a retainer urged in an axial direction by a resilient element with an uniform force independent of the position of the piston.

Abstract: The guard for a transmission including a chain and chain wheels comprises a fixed cover surrounding a first reach of the chain and a first of the chain wheels. A tube for surrounding and protecting a second reach of the chain is pivoted to the cover at a point corresponding to the point of tangency of the second reach of the chain with the first chain wheel.

Abstract: A multisided guard for guarding a space containing, for example, a hazardous operation from which personnel are to be protected. The guard comprises a plurality of vertically extending walls, each comprising a pair of upper and lower panels which are adapted to be swung from a lower position covering the space to an upper position uncovering the space.

Abstract: A torque transfer mechanism for transferring drive to a pair of tandem driving axles of a vehicle including two double-acting one-way devices each comprised of a plurality of wedging elements and an input shaft having a drive race thereon in operative engagement with the wedging elements. A pair of outer driven races are each adapted to be engaged by said wedging elements and each are drivingly connected to one of a pair of concentric output shafts. Each of said one-way devices has a cage member containing said wedging means and friction means connected to said cage member and in frictional engagement with said driven races.

Abstract: A tool holder adapted to be mounted on a lathe turret is of rigid, one-piece construction and removably secures any one of a wide range of interchangeable drills of different diameters. The tools are secured at a centerline located at an exact predetermined distance, e.g. 0.375 inch, above the bottom surface of the holder so as to exactly locate the centerline of the tool respective the top surface of the turret. The distal end of the tool holder is spaced fractionally above the base plate of the lathe turret, providing for spring-loading of the tool.

Abstract: A compact screwdriver bit which can be operated interchangeably by a known type one way ratchet wrench type driver having a square shaped bit receiving opening or by a known spinner type handle having a bit controlling member. The bit employs an elongated shank having a screwdriver tip at one end and a body at the other end, the body having an axially extending opening. When the wrench type driver is used, the body is fitted into the bit receiving opening. When the screwdriver type driver is used, the bit controlling member is fitted into the opening in the body.

Abstract: A cut-off tool holder adapted to be swivelly mounted on a lathe turret, includes a block supporting an elongated cutting tool. A spring-loaded overhead clamping lid, releasably secured to the supporting block, firmly holds the cutting tool in place. The lid is pivotable on a cylinder which is disposed in juxtaposed hollowed-out portions of the support block and lid, in parallel alignment with the orientation of the cutting tool. The cylinder comprises a center section intermediate a pair of adjoining end sections of reduced diameter.

Abstract: Mechanism to cut sections for furnace pipe elbows from a tube. The mechanism includes means for relatively axially shifting a cutter means and the tube being cut, and positioning means for turning the cutter means so as to track along an oblique cut around the tube. The positioning means includes a wobble plate whose oscillation is followed by means which turns the cutter means in order to track the cutter path.

Abstract: A cut-to-size saw mechanism having a dual, programable control system is provided for large sheet material, as plywood, hardboard, chipboard, fiberboard, and other large panels to be divided into small pieces by sawing. Sheet sizes in the range of 5 .times. 18' can be cut with a main strip or strips and a side, residual strip, with the residual having a maximum width up to a predetermined amount, such as 2'. Where desired, cutting patterns necessitate two asymmetrical patterns, the saw mechanism can be programmed to trim all 4 edges of a panel, divide the panel into main and residual longitudinal strips and cut the main strip or strips in one pattern length and the residual strip in another selected pattern length. All sawing is done while the panels or strips thereof are held by hold-down rolls, thereby assuring precision sawing. All sawing of the entire panel is programmed by thumb switches from a control panel and the same program may be repeated on subsequent panels until the programming is changed.