Abstract: A self-aligning twin-wheeled caster is disclosed which comprises a vertical wall, a shaped seat perpendicular to the wall, a pair of rotating wheels fixed to both ends of a shaft located in the seat, a sleeve in the wall with a rotatably carried pin. Each wheel has a hub portion, which is provided with outer collars facing front projections of both sides of the wall, teeth contoured over an arc of a circle, which define shoulders opposite to the projections and capable to axially retain the wheels. The caster further comprises front bushings on both sides of the wall, which are coaxial with the seat so as to receive the hub portions.

Abstract: An articulated hinge for the pivotal connection of a door leaf to the carcass of a furniture piece from whose carcass wall a frame protrudes at right angles, which frame has an end face delimiting an unobstructed door opening. The hinge has a door-related mounting part pivotally connected via a link mechanism with a carcass-related mounting part which comprises a flange plate which holds the linkage mechanism and which is detachably connectable to the end face of the frame. Below the bottom side of the flange plate facing the frame end face there is an adjustment plate which is displaceable by a predetermined measure relative to the flange plate in the longitudinal direction of the frame end face.

Abstract: The shaft of a hinge is fixed to one of the hinge elements and is both rotatable and is moveable in the direction of its axis relative to the other hinge element. The shaft is formed with a detent element at one end thereof which is engageable with a second detent element which is fixed relative to the other hinge element, when the shaft is in a particular rotational orientation and is moved axially in the direction of the second detent element. The shaft is axially biased toward the second detent element and its one end is conically shaped and engageable with a conically shaped brake surface fixed to the other hinge element when the two detent elements mate.

Abstract: A cylindrical tube is inclined from the vertical below a sliver guide, the bottom end of the tube being mounted on a supporting element, and the upper part being accommodated in a bearing, the outer race of which is located in a horizontal plate. The horizontal plate has a gyratory motion imparted to it through two crankshafts, such that the tube would undergo a nutational movement. To improve the distribution of the sliver, the axis of the cycloidal loops of sliver passing from the tube is shifted by journaling the crankshafts on a second horizontal plate to which a gyratory movement is imparted by a second pair of crankshafts. The first pair of crankshafts is driven more slowly than the second pair.

Abstract: Device for aligning and attenuating soft or brittle fiber mats employing a rotating vacuum roller for gently grasping the fiber mats under sufficient compressive force to hold the same without breaking or otherwise damaging the fiber mats.

Abstract: A hollow tube contains a longitudinally movable adjustment member having a pair of V-shaped line-engaging openings at its inner end for receiving opposite ends of the line and a manually operable stop on the outer end of the tube threadably engages the adjustment member for moving it outwardly and tightening the line about an article with the line ends being locked in the V-shaped openings by the inside wall of the tube.

Abstract: A disc-like body member is arranged to lie flat on the lacing area of a shoe and has a first aperture arranged to receive both the free ends of a shoelace upwardly therethrough. A pair of second apertures also extend through the body member and are arranged to receive the free ends of the shoelace downwardly therethrough after a knot has been tied on the upper surface of the body member. Another pair of apertures may be provided in the body member which are arranged to receive the free ends of the shoelaces upwardly therethrough after the shoelaces have been passed down through the second apertures.

Abstract: A fastener for shoe strings, in the form of two parallel disks, with a wedge-shaped formation formed by the adjacent disk surfaces, and a hole in one of the disks through which strings can be fed to engage the wedge-shaped formation.

Abstract: A fastener comprising two articles adapted for releasable engagement. At least one of the articles comprises a backing with a non-fibrous polymeric surface bonding layer in which are bonded a plurality of U-shaped flexible resilient monofilaments of longitudinally oriented polymeric material. Each of the monofilaments includes two stem portions projecting from the surface bonding layer and terminating in enlarged heads having outer cam surfaces adapted to engage the other article.

Abstract: In a woven slide fastener employing spaced coupling elements molded on connecting threads wherein the weft thread loops around the connecting threads between each element to secure the coupling elements to the edge of the tape, the connecting threads are reinforced between the elements by molded projections, sheaths, webs, or the like integral with the coupling elements. Additionally there are disclosed offset heel portions of coupling element legs to increase slider flange engaging surfaces.

Abstract: A method of and an apparatus for the formation of slide-fastener stringers wherein coupling members of a thermoplastic synthetic resin are bent into a U configuration to straddle the edges of respective fabric support tapes also composed of thermoplastic synthetic-resin filaments or yarns at least in the region in which the tape is straddled by the shanks of each coupling member. The shanks of the coupling members are thermally welded together through the tape and thereby also bonded to the filaments or yarn between the shanks; thereafter the tapes bearing the coupling members are subjected to thermofixing i.e. heating to shrink the tapes thereby condensing the meshes formed by the yarn or filaments.

Abstract: The air jet of the present invention is of the "bullet nose" type and is provided with a conical outer surface (32) on the exit end for directing the ambient air surrounding the exit end of the jet downwardly and inwardly to join the yarn and pressurized air leaving the exit orifice (22) of the jet. An "airfoil" type baffle (40) is spaced from the exit orifice (22) and includes an arcuate leading surface (41) positioned to be engaged by the yarn and pressurized air after leaving the exit orifice (22) and a substantially wedge-shaped portion extending away from the arcuate leading surface (41) and being defined by the converging upper and lower planar surfaces (43, 44). The baffle (40) is supported for adjustment to vary the downstream distance and the perpendicular position relative to the exit orifice (22).

Abstract: A machine to assemble electrical contact retention clips in an insulator including an indexing turret having jaws, a jaw operator, a clip carrying strip feed, a clip loading and clip shear-from-strip mechanism, an X-Y table driven by a conventional microcomputer numerical control to position the insulator and a plunger reciprocable through the jaws to insert clips into the insulator holes.

Abstract: An improved machine is disclosed for forming cable harnesses by simultaneously terminating all conductors at one or both ends of a cable formed of a plurality of flat conductors embedded within a web of insulating material. The subject machine incorporates a cable positioning and hold down mechanism which both accurately positions the end of the cable to be terminated at a proper location relative to the terminals, which are subsequently gang applied thereto, as well as firmly holds the cable in position during termination. The subject hold down mechanism is adjustable for various widths of cable and the dual terminating machine is adjustable for cables of varying lengths.

Abstract: A fixture for mounting sprocket wheels on and removing them from the free-wheel units of bicycles, comprising a first tool in the form of an elongated metal plate, having a handgrip and a functional part provided with a plurality of recesses shaped to receive and mate with elements of a free-wheel unit, and cooperating with at least two locking pin members, and a second tool comprising a handle, provided at one end with a half-moon shaped body having a length of bicycle transmission chain pivotally connected to one end thereof. The recesses in said first tool are apt to mate with the outer profile as well as with the wall of an inner hole of the free-wheel unit elements having to be applied to said tool. The second tool comprises, in order to engage the sprocket wheels of said free-wheel unit, on one hand said transmission chain length and, on the other hand, a pair of chain links mounted so as to form an articulated parallelogram.

Abstract: A method for constructing ball joints includes positioning a ball within a ball joint socket. Plastic-bearing material is then allowed to congeal in the socket while in contact with the ball. A positioning fixture maintains the ball in the desired spaced position in the socket while also maintaining a seal between the ball and the socket housing so that the bearing material may be pressurized as it congeals.

Abstract: A radiation absorbing cone (34) affixed to an infrared pyrometer (31) has a pair of lateral apertures (36--36) therein through which a continuously moving heated wire (11) passes. The cone (34) blocks stray ambient radiation while substantially eliminating any reflected radiation from the wire (11) from impinging on the pyrometer (31) to provide an accurate and repeatable measurement of the wire temperature.

Abstract: A method and apparatus for making plug-in fuse assemblies utilizing a strip of fuse metal having longitudinally spaced blank portions from which individual plug-in fuse elements are to be formed, each blank portion having corresponding portions spaced transversely of the length of the strip from which said fuse link portions, on the one hand, and at least said terminal blade portions, on the other hand, of a plug-in fuse element is to be formed. The strip of fuse metal is advanced past punch and die assemblies which form in each blank portion of the strip a pair of parallel confronting terminal blade portions and current-carrying extensions interconnected by a fuse link portion.

Abstract: An MOS read only memory or ROM is formed by a process compatible with standard N-channel silicon gate manufacturing methods. The ROM is programmed after the top level of contacts and interconnections, usually metal, has been deposited and patterned. Address lines and gates are polysilicon, and output and ground lines are defined by elongated N+ regions. Each potential MOS transistor in the array is programmed to be a logic "1" or "0" by ion implanting through the polysilicon gates and thin gate oxide, using patterned protective oxide as a mask, or using photoresist as a mask prior to application of protective oxide.

Abstract: A MOSFET random access memory having an extremely low current load memory cell is disclosed. The memory cell comprises a cross-coupled binary stage in which one or more paths to ground can be selectively switched on or off through true and complement data nodes. Impedance means connect a power supply node to the data nodes for charging the data nodes to predetermined voltage levels. The impedance means comprise an intrinsic-extrinsic junction of a substantially pure, intrinsic semiconductor material and a diffusion of extrinsic conductivity impurities disposed within a region of the intrinsic semiconductor material. The impedance means is formed by an isoplanar silicon gate process as an integral portion of a polycrystalline silicon strip which interconnects the power supply node to a data node. A portion of the polycrystalline silicon strip is extended from the data node to form the gate of the transistor to which it is cross-coupled.

Abstract: This disclosure is directed to an improved semiconductor capacitor structure especially useful in an integrated semiconductor structure with an MOS device and fabrication methods therefor. This semiconductor capacitor is particularly useful for forming the capacitor portion of a single MOS memory cell structure in a dynamic MOS random access memory which utilizes one MOS device in combination with a capacitor. In one specific disclosure embodiment, the semiconductor capacitor comprises a boron (P) implanted region in a substrate of P- type conductivity followed by a shallow arsenic (N) implant into the boron implanted region. The boron implanted region provides a P type conductivity which has a higher concentration of P type impurities than the concentration of impurities contained in the substrate which is of P- type conductivity.

Abstract: A charge-coupled arrangement in the two-phase technique in accordance with the charge-coupled-device principle in which an electrically insulating layer is applied to a substrate of semi-conductor material, with such electrodes arranged in spaced relation on such layer, a second electrically insulating layer disposed on the electrodes and additional electrodes being disposed on the second insulating layer, in which such additional electrodes extend into spaces separating adjacent electrodes applied to the substrate, with the zone of the substrate beneath such further electrodes being more highly doped than the substrate. The electrodes may comprise aluminum silicon, molybdenum, chromium or tungsten, while the second insulating layer may comprise SiO.sub.2 or Al.sub.2 O.sub.3.

Abstract: A process for manufacturing a bipolar semiconductor device. An epitaxial layer is formed on a silicon wafer, and a base layer is formed by the diffusion of impurities having one conductivity type in a part of the epitaxial layer. Impurities having the opposite conductivity type are deposited in a part of the base layer, polycrystalline silicon is deposited on the entire surface of the wafer which is provided with windows for emitter, base and collector electrodes, and a gold-containing film is applied on the entire surface of the polycrystalline silicon layer. Impurities having the opposite conductivity type are deposited and driven into the base layer so as to form an emitter layer and simultaneously gold atoms are driven in through the collector windows into a collector layer of the epitaxial layer and through the base and emitter windows into the collector layer.

Abstract: A diagonal type MHD generator channel frame element, having a polygonal configuration which is preferably rectangular, is formed from two different pairs of pre-formed hollow bars, one of the pairs serving as the electrode members, while the other pair serves as the electrode-interconnecting diagonal members. The electrode members have cross-sectional profiles corresponding to that of a parallelogram while the diagonal members have rectangular cross-sectional profiles. Pre-formed coolant passages are defined within the members in an entirely enclosed manner, and the cross-sectional profiles of the passages correspond to those of the members within which the passages are defined.

Abstract: A releasable clamp holds a stator with a closed end turn while a resilient plug, covered with a rigid smooth walled sleeve, is inserted through the central opening of the stator to spread the winding at the closed end turn. The sleeve is then withindrawn, the stator is unclamped, and the plug is compressed to further speed the windings at the closed end, after which the plug is removed.

Abstract: Method apparatus for manufacturing commutators, especially for small electric motors. Commutator segments are separately inserted into a mold intermediary plate. The segments are inelastically deformed by a coaxially inserted tool before the molding process. The formation of webs of the injected plastic body material between commutator segments is avoided.

Abstract: A method of making a portion of a sodium sulfur battery is disclosed. The battery portion made is a portion of the container which defines the volume for the cathodic reactant materials which are sulfur and sodium polysulfide materials. The container portion is defined by an outer metal casing with a graphite liner contained therein, the graphite liner having a coating on its internal diameter for sealing off the porosity thereof. The steel outer container and graphite pipe are united by a method which insures that at the operating temperature of the battery, relatively low electrical resistance exists between the two materials because they are in intimate contact with one another.

Abstract: An extractor tool which is suitable for removing a connector of the type having a latch for releasably fastening the connector to a support member includes first and second connector gripping members mounted for movement toward and away from one another in a given direction. The connector gripping members are normally biased in an open position with hand actuated means being provided for moving the gripping members to a clamping position. A latch engaging member is mounted on at least one of the gripping members for movement in a direction substantially normal to the given direction and includes a wedge-shaped end which engages and releases the connector from the support member.

Abstract: An apparatus for mating a pair of slide fastener coupling elements carried on a pair of stringer tapes, respectively, includes a pair of guide wheels each having a plurality of peripheral teeth meshable with one of unengaged rows of coupling elements for guiding the same and for regulating distances between adjacent coupling elements of each row, and a pair of presser rollers for squeezing the unengaged rows of coupling elements to interengage the same immediately after the latter are released from the teeth of the guide wheels. The axis of each guide wheel is eccentric to that of one of the presser rollers. With this arrangement, the pair of rows of coupling elements can be mated nicely without obstruction or impairment by wheel teeth but while such regulated distances between adjacent coupling elements of each row remain.

Abstract: Composition material, preferably comprising solder-coated copper particles, is loaded into a defined space which preferably comprises a hole drilled into a circuit board to expose a surface of at least one internal conductor. The loaded composition material is then compacted within the space and thereafter heated to melt only the coating sufficiently to allow at least a portion of the coating to flow onto the exposed surface of the conductor. Upon cooling, the composition material forms a compact which establishes a rigid electrical and mechanical connection between the conductor and the compact. Preferably, the compact may thereafter be drilled and component leads of an electrical device soldered or otherwise connected to the compact.

Abstract: The invention relates to apparatus for cutting foodstuffs, comprising a substantially flat body having a fixed cutting blade lying generally in the plane of the body and two separate substantially flat plates each with blades projecting from the plate, one plate being removably mountable with the flat body and the second plate being combinable with the first plate, whereby when the two plates are combined their blades alternate in a direction transversely of the plates as considered in a cutting direction of the apparatus.

Abstract: A hand-utensil particularly useful for removing the peel of citrus fruit is described, comprising a handle, a blade-like member curved at its outer tip, and a curved cutting element secured to the blade-like member such that the curved cutting element may first be used for removing a strip of the citrus peel around its circumference, after which the blade-like member may be inserted between the fruit and its remaining peel on both sides of the removed strip to remove same.

Abstract: A tool for chopping and scraping ice distinguished by a pair of arcuate portions which extend rearwardly from opposite edges of a straight sided intermediate portion which provides the chopping and scraping function, with the lower edges of the arcuate portions serving to pressurize the ice or mud and to force it forwardly in the direction of the straight sided intermediate portion.

Abstract: A cutting apparatus for a rusty nut comprising two cutting blades fixed on top inside portions of arms, two arms coupled in counter position by axes, indicator plate fixed on the axes, adjusting members such as springs acted separately fixed between a stud bolt settled on center position of the plate and each of the arms.

Abstract: Apparatus for cutting vegetation with a rotatable head carrying a non-metallic cutting line extended into a cutting plane. A supply line coil is carried within the head. A mechanism in the head automatically feeds replacement line from the coil to constantly maintain a predetermined maximum length in the cutting plane. The cutting line length is extended immediately when any length of cutting line is lost to wear or breakage. The line-feeder mechanism feeds replacement cutting line at a rate proportional to the length of replacement cutting line.

Abstract: The field dressing device of the invention is made to accept the tip of a knife blade, whose cutting surface faces in the same general direction as the tip of the field dressing device. The top portion of the tip of the field dressing device pushes the hide of the animal upwards, while the bottom portion of the tip of the field dressing device pushes the entrails downwards. The configuration of the field dressing device, together with its configured acceptance of the knife blade, permits the user's hand to be kept outside the animal while opening its stomach to remove the entrails.

Abstract: A chain guard for a chain saw comprising an interdigital frame structure is secured to the chain saw so as to extend above the top edge of the saw chain over substantially its entire length. The guard includes a pair of depending mounting legs adjustably secured to a mounting block which is securely fastened to the handle of a conventional chain saw.

Abstract: An insertion compliance device is provided by the present invention in which compliance means, acting in cooperation with an intermediate member, permit a pin or other mating part to translate and rotate relative to a corresponding mating part in each and every plane passing through the insertion axis of the pin to avoid binding or jamming of the parts during an automated assembly operation.

Abstract: The gauge includes two movable members carrying relevant feelers for contacting the bore surface of a piece for checking its internal diameter. The two movable members are obtained by making a longitudinal cut and a transversal bore in a single part. A resilient lamina is coupled to the movable members and a wire is connected between the lamina and the movable element of a transducer to transform the radial movements of the feelers into axial displacements of the transducer element.

Abstract: A gauge for use in a wheel balancing machine for ascertaining the location of the plane of the inner edge of the wheel rim. The gauge includes a flat resiliently flexible plate which has an edge that is graduated in units of distance. Extending from the plate remote from the edge is a support bar and there is means for mounting the support bar for slidable movement along its longitudinal axis to permit positioning of the graduated edge adjacent to the inner edge of the wheel rim so that the position of the rim can be ascertained by comparing its location with that of the graduations.

Abstract: A tool presetting fixture is disclosed for use with cross-slide type tool holders which are usable on a multiple spindle automatic machine tool. The tool holder has a tool holding pocket to hold a cross-slide type tool with a tool tip. The fixture has a base with a first gage surface mounted for movement parallel to the base to gage the spindle centerline height of a tool tip in the tool holding pocket. The fixture also has a rear wall on the base which has a second gage surface perpendicular to the base. Gage means is provided to gage the distance from this second gage surface to the tool tip and screws are provided in the tool holder and acting on this second gage surface to obtain a gaged distance of the tool tip from a reference surface of the machine tool to establish a predetermined longitudinal dimension on the workpiece.

Abstract: A device for holding a surveying instrument plumb and level. The device is attached to a tripod, and a clamp holds a slide bar which, in turn, is affixed to a clip bar. A range pole or other surveying instrument is held by the clip bar and a level is also affixed to the clip bar.

Abstract: A counter-current absorption process for the dehumidification of moist air or saturated water vapor is described. The absorption liquid used in said process consists of an aqueous solution of one or more non-volatile components. The absorption is carried out adiabatically, that is without substantial heat exchange with the surroundings, and with weight proportions between the absorption liquid and the gas or vapor such that most of the condensation heat of the water vapor condensed during the absorption is transferred to the gas or vapor becoming progressively drier, to thereby raise the temperature thereof. The diluted absorption liquid is concentrated by evaporation and is then recycled for reuse. The demoisturized and heated air or vapor is used e.g. in a drying process and is then recycled to the absorption device.

Abstract: An improved dryer fabric, woven entirely from monofilament plastic polymeric warp and weft strands, having a lower permeability to air flow and lower modulus of elasticity than normal fabrics, wherein at least the warp strands are flattened in cross-section, with the long axis of the flattened section extending parallel to the plane of the fabric and wherein the weft strands may be shaped so as to more or less conform to the horizontally directed passages of the mesh naturally formed by the woven warp strands and may also be relatively more malleable than the warp strands so that under stress they can adapt to conform to the shape of mesh interstices thereby to restrict these and still further reduce the permeability.

Abstract: A device for drying a web, such as paper web. Air distribution boxes 4 are arranged on both sides of the plane 2 of a path of guidance for the web. Each one of the distribution boxes includes a line of first opening means 6 extending transversally to the direction of guidance and arranged to direct the air essentially perpendicularly towards said plane, and a line of opening means 8 essentially parallel to the line of first opening means and arranged to direct the fluid essentially along said plane. Guide means 22 direct the air issued from opening means 8 away from the line of first opening means 6 towards and along an adjoining surface portion 10 of the box on a higher level than the line of first opening means 6. Each line of the first opening means in the box on either side of said plane is located in front of said surface portion 10 of the confronting box located on other side of the plane.

Abstract: An article of footwear having an improved outsole formed with uniformly distributed small apertures therethrough throughout its area, the apertures being of circular, oval or other curvilinear or angular or polygonal cross-section or any combination of them throughout their axial length and tapering convergently upwardly.The apertures optimally have diameters, or spans defining equivalent cross-sectional areas, on the order of about 1.6-2 millimeters at their inner ends and 2.4-2.8 millimeters at their outer ends, with center to center spacings on the order of about 5-7 millimeters. Small untapered holes may be employed.

Abstract: The disclosure relates to a shoe having a bottom of wood or other rigid material, the bottom being divided by means of a transverse section in the region between the sole and the shank of the shoe. The partition section makes an acute angle with the plane of the sole, and a slot is provided in each section surface for accommodating a hinge of flexible material. The edge of the shank is beveled adjacent to the partition section approximately at right angles thereto, a material piece being secured in the thus-formed V-shaped groove by gluing.

Abstract: The present invention relates to a ski-boot more particularly designed to enable deliberate release of a ski-boot from a ski by means of a ski-stick.The ski-boot comprises bearing-surfaces and retention means especially comprising a hole 18 adapted to cooperate with the ski-boot from the ski and in order on the other hand to avoid its slipping during the release of the ski-boot from the ski.The boot in accordance with the invention offers the advantage of facilitating the deliberate release of the fastening between the ski-boot and the ski.

Abstract: An improved wear member for use in an earthworking implement having a sidewall member defining a bottom edge portion to which the wear member is secured is disclosed. The wear member comprises a U-section member defining a bottom bight portion and spaced legs defining a channel receiving the lower end of the sidewall member.

Abstract: A badge includes a pin for securing the badge to a garment. The pin comprises a resilient wire member bent substantially in a rectangle in a manner that the opposite ends of the wire member are located at one corner thereof. The pin has a hook portion at one end and a sharp point at the other end, which is engageably fitted into the hook. A prong having a sharp point of the wire member and a stem opposing thereto are spaced apart from each other by a distance larger than a thickness of a thumb or forefinger, so that engagement and disengagement of the prong having a sharp point with and from the hook is facilitated, thereby providing ease of attachment or removal of the badge to or from the garment.