Abstract: A spiral gear having a body, a compound nut and a screw on which a keyway is made on the longitudinal direction. The nut has four or more inserts placed in the grooves made in the longitudinal direction and leaning against the inclined surfaces made at different heights in the same direction on the end parts of the bottoms of the grooves. The spiral support with the conical surface placed coaxial in the hole of the body leans against the conical surfaces made on the butt-ends of the inserts from one side and leans from the other side the imitator with the respective conical surface. On the other butt-end of the imitator are two small balls against two inclined spiral surfaces made in the direction of the screw which have the same height, and the spiral disk.

Abstract: A shifter assembly includes a base and a shifter lever pivotably connected to the base so that the shifter lever is pivotable over a shift path about a laterally extending pivot axis. A shifter control cable assembly includes a first conduit, a first core disposed in the first conduit for longitudinal movement therein, a second conduit, and a second core disposed in the second conduit for longitudinal movement therein. The first core is operatively connected to the shifter lever so that the first core is pulled by the shifter lever when the shifter lever is pivoted about the pivot axis in a first direction. The second core is operatively connected to the shifter lever so that the second core is pulled by the shifter lever when the shifter lever is pivoted about the pivot axis in a second direction opposite the first direction.

Abstract: A gear change control system of an automatic transmission, includes: a shift member, including a shaft portion disposed in such a manner that a selection axis is oriented in a selecting direction, and including a pair of arm portions formed on the shaft portion in such a manner as to project therefrom; shift rail members, having rail shaft portions, and arranged in such a manner that shift axes are oriented in a shifting direction; shift fork portions, formed on the rail shaft portions; shift lug members, formed on the rail shaft portions and including pillar-shaped portions.

Abstract: The invention relates to a joint having a male unit and a female unit. The external surface of the male unit is of complementary shape to the internal surface of the female unit. The units cooperate and have shapes allowing rotational movement in at least one degree of freedom of the male unit within the female unit. The female unit has two socket parts. According to the invention biasing means is provided for biasing each of the socket parts towards the male unit.

Abstract: A balanced force control cable assembly comprising a first lever rotatably mounted in a first housing and a second lever rotatably mounted in a second housing. A control knob for selecting a temperature is attached to the first lever. A cable extends from the first lever to the second lever for rotating the second lever in response to the rotation of the control knob. A first spring engages the first housing and the first lever for applying a first pre-determined force to continually bias the first lever to rotate in a first direction. A second spring engages the second housing and the second lever for applying a second predetermined force in a second direction being opposite to the first direction to counterbalance the first spring and to maintain tension in the cable.

Abstract: A Bowden cable is provided that includes, but not limited to, a casing and a wire extending in a cavity of the casing. Points of contact between the wire and the casing are unevenly distributed on the circumference of the wire in each cross section. A clearance extends helicoidally along the wire. The helicoidal clearance has a pitch (L) at least equal to twice the diameter (D) of the wire. In each cross section the clearance extends around at least half of the circumference of the wire.

Abstract: An adjustable command cable terminal is disclosed as can be used for example in the automobile industry. By turning glove central support and shoe move radially within opening formed in internal terminal for locking or releasing shaft. Radial movement of central support and shoe is achieved by the inner geometry of glove which has variable inner diameter including section with wider diameter for length adjustment of shaft, section with progressively reduced diameter for quick closing, section of an Archimedes-curve and section with small diameter for the locked stated. Central support is urged outwards against the inner geometry of glove by springs. Inner surface of internal terminal and other surface of shaft have corresponding threads.

Abstract: In a leather 5 for covering a shift knob 1, it has a folded portion 9 formed by folding a leather material 20 such that back sides of the leather material 20 are set in contact with each other, at a small rigidity portion at which a flexural rigidity is small and which is formed along an edge 21 of the leather material 20.

Abstract: An adjustable pedal system for changing the position of pedals along the crank arms of an exercise bike. The system provides a locking member, such as a rack, located along the crank arm and a locking member, such as one or more gear teeth formed on a slide sleeve to which the pedal is affixed. Thus the slide sleeve and pedal can be slid along the crank arm to the desired position whereupon the locking members intermesh to positively lock the pedal in the desired location. The intermeshing is maintained by a clamping device, such as a thumb screw that is tightened to lock the pedals in the desired location and loosened to disengage the locking members to allow the movement of the pedals to another location. The system can be operated without the need for tools and can be retrofitted to existing exercise bikes.

Abstract: Disclosed is a differential housing (1) comprising a housing bell (5) and a housing cover (4). The housing bell and the housing cover are connected to each other by means of a riveted joint (7) that is established by means of several rivets (8). The rivets of the riveted joint are monolithically molded onto the housing cover or the housing bell.

Abstract: There is disclosed a flexible motor coupling device that provides for distance changes along a lateral axis between a motor shaft and a device to be actuated (such as a valve shaft). More specially, there is disclosed a motor coupling device comprising an outer casing having an axis therein and a carriage shaft, wherein the carriage shaft moves laterally along the axis of rotation and is surrounded by ball bearings.

Abstract: The invention is directed to a process for extracting a metal from a slag containing said metal, wherein the liquefied metal-containing slag is heated in at least one electric arc furnace (1, 2). In order provide an improved method for recovering especially copper from slags, the invention provides that the metal-containing slag is heated in a first furnace (1) constructed as an AC electric furnace or a DC electric furnace, and the melt is introduced from the first furnace (1) into a second furnace (2) which is constructed as a DC electric furnace. Further, the invention is directed to an arrangement for extracting a metal from a slag containing said metal.

Abstract: A material for the storage and release of gases comprises a plurality of hollow elements, each hollow element comprising a porous wall enclosing an interior cavity, the interior cavity including structures of a solid-state storage material. In particular examples, the storage material is a hydrogen storage material such as a solid state hydride. An improved method for forming such materials includes the solution diffusion of a storage material solution through a porous wall of a hollow element into an interior cavity.

Abstract: The present invention concerns a new type of grain refiners for steel, in the form of a particulate composite material, containing a high volume fraction of tailor-made dispersed particles, with the purpose of acting as potent heterogeneous nucleation sites for iron crystals during solidification and subsequent thermo-mechanical treatment of the steel.

Abstract: A process for reducing iron ore particles in a moving bed reduction reactor comprising an upper reduction zone and a lower discharge zone, wherein the coke oven gas, preferably forming all the make-up for the reducing gas circulating through and reacting in said reduction zone, is first fed to said discharge (cooling) zone and thereafter said coke oven gas, conditioned by the DRI in the lower zone, is withdrawn from the reactor and fed preferably into the recycled reducing gas for injection into the reduction zone of the reactor. Heavy hydrocarbons and other components of coke oven gas which may otherwise cause fouling, corrosion, or deposits in the direct reduction plant are removed from coke oven gas by catalytic and/or adsorptive action of the DRI present in said lower zone, before being externally transferred to the reduction zone of the reduction reactor.

Abstract: A felt hammer that may eliminate noise is provided, in which a grab handle is connected to a hammerhead; an elastic ring bush is wrapped around the circumference of the hammerhead; and a plurality of projecting nails are provided on the surface of the ring bush. Animal hair/wool strands are further wrapped around the ring bush backward and forward to clamp a basic wrap layer of animal hair/wool strands into the gaps between the projecting nails, and then fully wrapped to form a felt layer around the hammerhead and the ring bush. Thus, the hammer specialized for a Xylophone or a Marimba is formed, and when the hammer strikes, noise caused by the animal hair/wool strands rubbing each other may be eliminated for achieving a mellow and mild timbre.

Abstract: A setting tool arrangement includes a barrel of a setting tool; and a sleeve interactive with the barrel to move to a position allowing the barrel to move when pointed in a direction opposite the direction of gravity and to a position preventing the barrel from moving when pointed in a direction approximating the direction of gravity and method.

Abstract: An apparatus for rotating a tubular, the apparatus, in at least certain aspects including having a plurality of tubular-contacting rollers with one or more pairs of interlaced rollers. This Abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

Abstract: An oilfield tubular torque wrench and a tong therefore is described.

Abstract: A ratchet screwdriver includes a handle having an inside provided with a plurality of receiving chambers, a ratchet device mounted on the handle, a shank having a first end connected with the ratchet device and a second end provided with a drive head, and a cover rotatably mounted on the handle and provided with an exposing hole that is movable to align with one of the receiving chambers. Thus, the receiving chambers of the handle receive and store a plurality of tips of different sizes and specifications, thereby facilitating a user carrying the tips. In addition, the exposing hole of the cover is movable to align with any one of the receiving chambers of the handle to facilitate the user identifying the tip.

Abstract: The present invention provides a tool for tightening or releasing a nut engaged on a screw-threaded shank. The tool comprises: a socket arrangement comprising a socket for engaging the nut; an extension member adapted to engage the socket arrangement such that a torque applied to the extension piece is transferred to the socket for tightening or releasing the nut; and a location sleeve on the extension member, the location sleeve overlapping the extension member and the socket arrangement, when engaged therewith, so as to hold the extension member to the socket arrangement.

Abstract: A spark plug socket wrench includes a socket member having a non-circular chamber for receiving a nut member of a spark plug, and having an engaging hole for engaging with a driving tool, and having a compartment communicating with the chamber and the engaging hole of the socket member, a casing engaged into the compartment of the socket member and having a space for receiving an insulator of the spark plug, and a spring-biased projection attached to the casing and having a detent biased by a spring member for engaging with the spark plug and for retaining the spark plug to the socket member and for preventing the spark plug from being disengaged from the socket member inadvertently.

Abstract: A socket assembly includes a socket having a mounting hole which includes a plurality of insides and yield recesses located alternatively between the insides. A control member is rotatably mounted to the socket and has a through hole, a plurality of stops extend inward from an inner periphery of the through hole. The stops are deformable when being applied with a force along the axis of the through hole. A polygonal object can be forced into the mounting hole by squeezing and bending the stops. After the object is loosened and received in the socket, the stops support the nut from dropping from the mounting hole. When the control member is rotated to off align the stops from the path that the corners of the polygonal object may drop, the object is easily take out from the socket.

Abstract: A battery-operated screwdriver has a housing with a handle, a rechargeable battery, charge contacts for charging the battery on a charger shell having at least one detachably mounted bit holder for storing tool inserts of the battery-operated screwdriver in captive fashion, so that the battery-operated screwdriver is placeable on the charger shell and a charging mode is produced automatically, and a charger shell for a battery-operated screwdriver has at least one detachable mountable bit holder configured to receive a plurality of bits which in operation are insertable in communication with the battery-operated screwdriver.

Abstract: A tool for removing and applying a fastening device from and to a threaded stud is provided. The tool includes an elongated chamber and a retainer having a pair of spaced apart portions configured to hold fastening devices within the chamber. The tool further includes a positioning mechanism for positioning stored fastening devices for later installation onto the stud. In one embodiment, the retainer includes a worm gear. Opposing portions of the catch of the worm gear hold the fastening device. The positioning mechanism includes a cam assembly configured to rotate the shaft wherein the rotary movement of the shaft is translated into an axial movement of the fastening device within the chamber. In a second preferred embodiment, the retainer includes a pair of keepers configured to hold a fastening device. The positioning mechanism is operable to feed a fastening device into the keeper.

Abstract: A screw driver for a screw having a drive socket having an axially extending shaft with a bifurcated tip, the tip having a cross-sectional profile for insertion into a cross-sectional profile of the screw socket. The shaft has a tapered section adjacent the bifurcated tip. A bushing is mounted on an outer surface of the shaft for axial movement therealong. The bushing has inwardly extending protrusions for engaging the tapered section on the shaft upon movement in the axial direction along the shaft in a direction. away from the tip. This allows the selective capture or release of the screw by the shaft tip by axial movement of the bushing away from and towards the shaft distal tip.

Abstract: Installation for the sequential loading (1) of bars of material, referred to as bars (2), into a machining center (4), this installation including in particular a frame (5) and being characterized in that it is equipped: with a first device (700) which is, on the one hand, constituted by a first elongated body (7), the volume of which is substantially determined by a peripheral surface, referred to as first face (70), and comprising a plurality of first longitudinal cavities (71) which are each able to accommodate a bar (2) and each include a first opening (72) made in said first face (70), on the other hand, is able to carry out a fractional rotation about a first axis (73), aligned longitudinally, particularly carrying bars (2), so as to present the first cavities (71) in sequence to at least one first station (8), with a second device (900) which is, on the one hand, constituted by a second elongated body (9), the volume of which is substantially determined by a peripheral face, referred to as the s

Abstract: A cutting tool with a hard coating layer coating a surface of a substrate formed of a hard sintered body, the hard coating layer being harder than the substrate. A polishing is performed on a cutting edge part ranging from a rake face side on a surface of the hard coating layer to a flank face side with a crossing ridge interposed therebetween. The polishing is performed so that a crack is present in a polished surface, and a depth of an adjacent region of the crack increases gradually with decreasing distance to the crack. This enables to provide the cutting tool having an excellent wear resistance and having an improvement in the chipping resistance of the cutting edge.

Abstract: The present invention generally relates to certain novel methods of chopping onions, while avoiding (or reducing) exposure to syn-propanethial-S-oxide gas emitted from such onions. In certain embodiments, the methods generally comprise placing an onion on a cutting platform, applying heat to the cutting platform or the air surrounding the cutting platform, and applying a vacuum pressure to the air surrounding the cutting platform. In certain specific embodiments, the methods generally comprise (a) placing a cutting platform sufficiently near a heat source and ventilation hood such that air directly above the cutting platform increases in temperature and exhibits a vacuum force towards the ventilation hood when the heat source and ventilation hood are activated, (b) activating the heat source and ventilation hood, and (c) cutting the onion on the cutting platform.

Abstract: A process for obtaining rubber pellets from used tyres is described, the process comprises a series of steps which take account of the structure of a tyre, and among which are mainly: collecting used tyres having a tread and lateral faces, in which the tread includes an inner layer and an outer layer; and each lateral face includes a flange at the inner edge thereof; separating the tread from the lateral faces; cutting the tread transversely through the inner layer and the outer layer in order to form a strip from the tread; cutting the strip in order to form pellets therefrom; detaching the flange from the separated lateral faces; and cutting the flange-less lateral faces in order to form pellets therefrom.

Abstract: A slicer for use in slicing a food product includes a slicer body. A slicer knife is mounted to the slicer body. A linear motor may be provided to move a food product support carriage. A slicer may also include stroke length setting adjustment features.

Abstract: An apparatus for cutting fruit. The apparatus includes a frame, at least first and second cutting stations, at least one receptacle in which the fruit is received that includes a plurality of extensions protruding outwardly from an outer circumference thereof, and a conveyor that conveys the receptacle from the first cutting station to the second cutting station. The frame includes a kicker. In use, the object is cut along its vertical axis at the first station, the receptacle is then rotated about its vertical axis as a result of one of the extensions contacting the kicker, and the object is cut at the second station.

Abstract: A bimodal tile saw includes a tray supported on a base extending in a first direction and a water-cooled saw unit suspended from a telescoping arm. Both the tray and the saw unit move relative to the base along the first direction. In a first mode, the saw unit is fixed and the substrate is fed to the saw unit by advancing the tray. In a second mode, the table is fixed and the telescoping arm is advanced using ergonomic handles to bring the blade into contact with the substrate. A laser cutting guide casts a precise beam across the work piece for accurate cutting. An integrated handtruck, having a handle and folding legs actuated by gas pistons allows easy transport and setup of the tile saw. During use, a retractable foot elevates the wheels off of the ground. Water shields protect the saw unit's motor and external environment.

Abstract: A cutting unit for trimming sheet material has a support plate forming a support surface for supporting the sheet material and having a cutting device that comprises a guide bar extending over the support plate. A knife carriage having a cutting knife is displaceably guided on the bar. The bar is mounted in a pivot bearing pivotably about a pivot axis. The pivot axis proceeds perpendicularly to the support surface.

Abstract: Temperature or wear indicating device for material-working tools, in particular pipe-working tools, furthermore in particular saw blades, wherein the temperature or wear indicating device has at least one temperature or wear indicator, the temperature or wear indicator being at least partially produced from an indicator material that changes one of its visual properties, in particular its colour, permanently when a predetermined limit temperature is exceeded.

Abstract: A guillotine cutting unit (1) for trimming sheet material (10) has a support plate (2) for supporting the sheet material (10). The support plate has on one side a guillotine cutting device (5) that comprises a pivotably mounted knife arm (6) having a knife edge (8) embodied thereon and a counterknife provided in stationary fashion on the support plate (2). The knife arm (6) comprising a handle (12) for the actuation thereof, wherein the handle is embodied as a knob (12).

Abstract: An improvement applicable to a laminate film cutter for cutting a thin film covering a planar body having plural partly overlapping short plates, the shape of the knife being a rectangular blade extending to a sharp cutting point, and the position of the knife being inclined downward in a controlled manner to prevent stalling of the feeder during cutting.

Abstract: The invention relates to a method and to a device for the mechanical structuring of thin-film solar cells which are carried on a flexible carrier layer in the form of a material web. The material web is held on a support, where the groove areas, into which grooves are introduced for structuring with a mechanical scoring tool, are pulled onto elastic bases, by holding the material web by frictional engagement over adjacent groove-free areas.

Abstract: A piano, playable in an acoustic mode and a silent mode, includes a series of keys, a series of key actions, and a series of rotatable hammers. Each key action is actuated by depression of a corresponding key. Each hammer defines a forward throw direction and has a corresponding string. The hammers are driven by corresponding key actions transferring forces from corresponding keys. The piano includes a hammer stopper system that has a blocking rail slidably disposed forward of the hammers. A linear actuator moves the blocking rail along a substantially linear path between a first position, allowing unobstructed movement of the hammers, and a second position blocking at least one hammer from striking its corresponding string. The linear actuator moves the blocking rail to the first position for acoustic play and to the second position for silent play.

Abstract: The shoulder rest for a violin and a viola is formed in the manner that the basis of the shoulder rest (1) is partially rolled up in the opposite direction and that enables maximal adjustment to physiological characteristics of the violinist. The strain leg holder (2) is rotated for 180° C. in each direction in the way that the shoulder rest length is reduced from the functional shoulder rest length for one fourth.

Abstract: Provided is a string tuning mechanism that enables a musician to clamp and anchor a musical instrument string to a musical instrument tuning peg. The claimed subject matter enables the musician to put on and take off the strings of a stringed musical instrument easily and rapidly. The string attachment device also enables the installed musical instrument string to equalize to pitch faster than currently possible and enables a stringed musical instrument to remain in tune longer. The disclosed device is designed to fit easily against a tuning peg and to enable the musician to use the locking of the string to the peg technology without permanently changing the physical state of their musical instrument. Another purpose of the claimed subject matter is to provide a method and device that enables the musician to use the same strings he has always used, and not to have to buy special strings.

Abstract: A tone plate which makes it easy to reduce the entire length and width thereof, thus increasing the degree of freedom in design. The tone plate includes an antinode portion, front and rear ends, and first and second supporting holes which are located closer to the front and rear ends than to the antinode portion and at which a vibration node can be formed. There are provided first and second mass concentrating portions extending toward the front and rear ends from locations on a side close to the first and rear ends with respect to the supporting holes. First and second thinner portions are respectively provided between the antinode portion and the supporting holes. The tone plate vibrates to generate a musical tone of a specific tone pitch when struck with being supported at the supporting holes.

Abstract: A drum has a drum shell, a top head, a bottom head and a decorating piece. The drum shell has an outer surface, a top edge, a bottom edge and an annular recess. The top head is mounted at the top edge of the drum shell and the bottom head is mounted at the bottom edge of the drum shell. The annular recess is formed on the outer surface of the drum shell. The decorating piece is glued or screwed in the annular recess and is made of a material different from that of the drum shell. The decorating piece fits in the annular recess. Therefore, the drum shell with the decorating piece is a complex material structure, so the drum changes various resonance and artistic effects.

Abstract: A multiple-tipped drumming tool has 2-4 sticks each with a throughhole, joined together by a connector which passes through the throughhole such that the sticks are rotatable with respect to one another and can produce different tones with a musical instrument. The sticks may be connected by spring metals instead of such a connector. Instead of the connector, a fiber member may be passed through the throughholes of the sticks, being wrapped around the sticks such that the sticks are flexibly joined together.

Abstract: An automatic guitar tuning case is a tuning system to automatically, synchronously, accurately and rapidly turn a guitar. To automatically tune one string is not new, but automatically and synchronously tune an acoustic guitar or electrical guitar without modifying the guitar has never be done before. Changing one string's tension will cause all other strings' tension change, so all strings should be tuned synchronously and ended tuning together only when all strings are in tone at the same time. As a closed-loop control system, the automatic guitar tuning case comprises six transducers sensing the vibration frequency of six guitar strings respectively, six tuner units to analyze tones, and a center processor unit to control six electric tuning wrenches to tune the six guitar strings. The automatic guitar tuning case also consists of a control panel for a user to preset and select tuning patterns, control and monitor the system.

Abstract: The present invention is embodied in a position training device for kinesthetic musical instrument instruction comprising an instrument component and a bow component. The instrument component comprises a main instrument shaft oriented along a main instrument axis and having a proximal end and a distal end, a chin piece attached to the proximal end of the main instrument shaft, and an instrument orthotic grip attached to the distal end of the main instrument shaft and oriented along the main instrument axis. The instrument orthotic grip has a thumb depression, an index finger depression, a middle finger depression, a ring finger depression, and a pinkie finger depression formed thereon. The bow component comprises a main bow shaft oriented along a main bow axis and having a first end and a second end, a bow orthotic grip attached to the first end of the main bow shaft and oriented along the main bow axis, and a bow tip piece attached to the second end of the main bow shaft.

Abstract: A fuze mounting assembly for a penetrating weapon configured as a projectable device, the fuze mounting assembly having fasteners, a fuze well and a fuze. The fuze includes an integral bolt flange for securing to the fuze well with the fasteners, wherein an amplification of acceleration of less than 3.0 is satisfied when the penetrating weapon is subjected to impact and penetration shock. Additionally, a projectable device having the fuze is provided. Also, a fuze mounting and a method for mounting a fuze are provided.

Abstract: A fluid pressure powered apparatus comprises a double-acting member, a first pilot valve, a second pilot valve, and a switchable valve is disclosed. The double-acting member is operable between a first stroke end and a second stroke end by fluid pressure from the switchable valve. The first and second pilot valves are configured to establish a biasing fluid pressure to first and second bias surfaces, respectively, of the switchable valve. The first and second pilot valves are actuatable by the double-acting member when at the first and second stroke ends, respectively, to reduce the biasing fluid pressure on the first bias surface. In operation, the reduction of biasing fluid pressure on either the first bias surface or the second bias surface, respectively, triggers the switchable valve to switch between a first stroke position and a second stroke position, respectively. A method of reciprocating a fluid pressure powered apparatus is also disclosed.

Abstract: The present invention discloses a method and device for suppressing vibration of boom of concrete pump truck, in which the boom cylinder is connected with the vibration suppression cylinder; the information about hydraulic pressure in the boom cylinder and/or about changing of concrete pumping direction is monitored by a pressure sensing unit in real time; the monitored information about hydraulic pressure and/or about changing of concrete pumping direction is transmitted to the control unit for vibration suppression cylinder; the control unit for vibration suppression cylinder analyzes and processes the monitored information and adjusts the volumes of the rod side chamber and the non-rod side chamber in the vibration suppression cylinder such that the vibration suppression cylinder may generate a pulsed vibration and the pulsed vibration at the end of the boom is less than or equal to the vibration amplitude caused by the intermittent concrete supply at the end of the boom in amplitude, with a phase differen

Abstract: A compliant column sheath assembly for use in a gas chromatograph is provided which includes an open tubular column in the form of a helical coil having a coiled lengt of between about 5 and 15 cm. The sheath assembly further includes an insulating sheath which surrounds the open tubular column and a frame. When incorporated in a gas chromatograph, the compliant column sheath assembly allows samples to be analyzed in about 2 to 10 seconds.