Abstract: A curved spring includes one and another end parts configured to approach and separate relative to each other in an approaching/separating direction and plural beam parts that bend between the one end part and the other end part and extend in an extending direction. The plural beam parts are arranged in a width direction orthogonal to the approaching/separating direction. At least one combination of adjacent beam parts among combinations of the plural beam parts includes an outer side beam part having a width greater than a width of an inner side beam part in the width direction. The outer side beam part has a length less than a length of the inner side beam part in the approaching/separating direction. The one and the other end parts and at least one beam part of the plural beam parts are integrally molded on a shared plane by a synthetic resin.

Abstract: The present invention provides a system for controlling a vehicle comprising a prime mover, a first sensor, a transmission, a second sensor, and a transmission controller. The first sensor outputs a first signal that indicates a speed of an input shaft of the transmission and the second sensor outputs a second signal that indicates a speed of the prime mover. The transmission controller includes control logics that control the transmission using the first signal, perform a diagnostic check on the first sensor, determining whether the diagnostic check of the second control logic indicates that the first sensor meets a predefined performance characteristic, instruct the transmission controller to use the second signal of the second sensor to control the transmission if the third control logic indicates that the first sensor does not meet the predefined performance characteristic, and control the transmission using the second signal of the second sensor.

Abstract: A travel drive gear engagement mechanism for a tractor unit includes a clutch lever that has a cam portion. The clutch lever is configured to rotate between a first position and a second position at a point that is offset from a center of an elongated portion of the cam portion. The engagement mechanism also includes a connecting member that operatively connects the cam portion of the clutch lever to a drive gear of a tractor unit. The connecting member is operatively connected to the cam portion at the offset point. The clutch level and connecting member are configured such that the drive gear engages a track gear when the clutch lever is in the first position and disengages from the track gear when the clutch lever is in the second position.

Abstract: A system for rotating an element inside a pressure containing housing. In some embodiments, the mechanism includes a pressure containing housing having an opening through a wall of the housing into an internal chamber in which, in use, the element to be rotated is located, a bushing located within the opening, and a worm gear rotatably mounted in the bushing. The worm gear is offset from the axial centre of the bushing such that rotation of the bushing moves the worm gear between an extended position, wherein the thread of the worm gear engages an element in the chamber, and a retracted position, wherein the thread is disengaged from the element in the chamber.

Abstract: An industrial gear mechanism with a bevel gear stage having a-bevel gear and a bevel pinion in engagement therewith. The bevel gear and the bevel pinion are surrounded by a gear mechanism housing having bearing seats for a bevel gear shaft and a bevel pinion shaft. A first and a second bevel pinion shaft bearing are arranged in an O-arrangement, with the first bevel pinion shaft bearing arranged on a first end of the bevel pinion shaft facing the bevel pinion and the second bevel pinion shaft bearing arranged on a second end of the bevel pinion shaft remote from the bevel pinion. A gearwheel of a spur gear stage on the drive side is arranged axially between the first and second bevel pinion shaft bearings in fixed rotative connection with the bevel pinion shaft and in engagement with a drive pinion of the spur gear stage.

Abstract: A tractor unit system includes a tractor unit that has a travel drive gear. The travel drive gear includes a drive gear portion and at least one drive roller portion. The system also includes a guide track that has a track gear. The track gear includes a track gear portion and at least one land portion. The at least one drive roller portion and the at least one land portion are configured such that the at least one drive roller portion contacts the at least one land portion when the drive gear portion is engaged to the track gear portion. In some embodiments, a diameter of the at least one drive roller portion is equal to a pitch diameter of the drive gear portion. If the track gear portion is curved, in some embodiments a diameter of the at least one land portion equals a pitch diameter of the track gear portion. In other embodiments, if the track gear portion is straight, a dimension of the at least one land portion equals a pitch line of the track gear portion.

Abstract: The present invention includes a bar having a maximum cross section region smaller than a minimum cross section region of a hollow portion of a pipe P, and projected portions mounted along an axial direction of the bar and including a projected portion with maximum extent Hb, extent Ha of the projected portion positioned at a leading end side of the bar is set to be smaller than extent Hb of the projected portion positioned at a center side in the axial direction, and extent Hc of the projected portion positioned at a base end side of the bar is set to be less than or equal to extent Hb of the projected portion.

Abstract: A robot arm assembly includes a base, a first arm rotatably connected to the base, a second arm rotatably connected to the first arm, a third arm rotatably connected to the second arm, a first driving mechanism, a second driving mechanism, and a third driving mechanism. The first driving mechanism includes a first driving member mounted on the base for driving the first arm. The second driving mechanism includes a second driving member mounted on the base and a first transmission shaft securely connected to the second driving member for driving the second arm. The third driving mechanism includes a third driving member mounted on the base and a second transmission shaft securely connected to the third driving member for driving the third arm. The first and second transmission shafts are placed inside the first arm substantially symmetrically with each other about an axis of the first arm.

Abstract: An industrial robot and an industrial robot transmission system for the transmission of movement to a robot part, including a motor and a gearbox containing a lubricant. The gearbox is provided with an integrated moisture absorbing device including a moisture absorbing material adapted to absorb moisture contained in the gearbox. The invention is also related to a method for preventing the deterioration of a lubricant due to absorption of moisture, inside an industrial robot used in surroundings with high humidity, which is characterized by integrating a moisture absorbing device including a moisture absorbing material in a robot part containing the lubricant.

Abstract: A guide plate for a shift lever device, which is formed in correspondence with a movement range of a momentary type shift lever that automatically returns to a home position after being operated, is provided with an elastic member that includes an operation hole. The elastic member restricts the movement range of the shift lever and guides movement of the shift lever. An impact absorption mechanism is formed in the elastic member and absorbs impact of the shift lever when the shift lever automatically returns to the home position. The impact absorption mechanism includes a slit arranged proximal to the operation hole. A seat that is capable of absorbing impact of the shift lever is arranged closer to the operation hole than the slit. A stopper arranged at a back side of the seat relative to the slit supports inwardly curved deformation of the seat.

Abstract: The fork comprises inserts, overmoulded in a body made of a thermoplastic resin. The inserts have a modulus of elasticity at least twice as high as that of the thermoplastic resin and are shaped to form an arc-of-a-circle profile substantially matching the cross section delimited by the two prongs of the fork and, possibly, a ring for housing a drive shaft, The resin is charged, in particular with glass fibres, capable of linking the functions performed by said inserts.

Abstract: A robot includes a first robot arm, a drive mechanism driving the first robot arm to rotate, a receiving box rotatably connected to the first robot arm. The drive mechanism includes a first drive member and a first speed reducer connected to the first drive member. The first robot arm and the receiving box cooperatively define a first receiving groove, and a first shaft sleeve positioned in the first receiving groove. The first drive member is positioned in the receiving box, and the first speed reducer is positioned in the first receiving groove and movably sleeved on the first shaft sleeve.

Abstract: A gear transmission device includes a transmission mechanism, and a gear backlash adjusting mechanism engaged with the transmission mechanism. The transmission mechanism includes a first adjusting gear and a second adjusting gear meshing together. The adjusting mechanism includes a fixing plate and an adjusting member sleeved on the first adjusting gear. The fixing plate defines a limiting hole. The adjusting member comprises a flange received in the limiting hole. A maximum distance from an edge of the flange near the second adjusting gear to the rotation shaft of the first adjusting gear is greater than a minimum distance from an end of the flange away from the second adjusting gear to the rotation shaft of the first adjusting gear.

Abstract: A robot arm assembly includes a first, a second, and a third hollow arm, a fourth arm, and a first, a second, and a third transmission. The second arm is rotatably connected to the first arm, the third arm is rotatably connected to the second arm, the fourth arm is rotatably connected to the third arm. The first transmission sub-assembly is rotatably received in the first arm. The second transmission sub-assembly is rotatably received in the first arm and the second arm. The third transmission sub-assembly is rotatably received in the first arm, the second arm, and the third arm, and fixedly connected to the fourth arm. The first arm, the second arm, the third arm, and the fourth arm are capable of rotating around a first axis, a second axis, a third axis, and a fourth axis respectively.

Abstract: A pedal force adjusting apparatus for an accelerator pedal regulates a resilient force of a resilient member through movement of a carrier using a pedal force adjusting tool and easily regulates a pedal force of a pedal arm if necessary.

Abstract: Pedal assemblies for motor vehicles. In one implementation a pedal is pivotable around a shaft that is releasably fixed in a housing of a support piece by a retention member. The retention member is moveable between a first position corresponding to a normal operating condition and a second position corresponding to a head-on collision condition. In the first position a first part of the retention member rests against and holds the rotating shaft in the fixed position within the housing of the support piece and a first surface of the retention member rests against a guide surface of the support piece.

Abstract: A method for manufacturing a shaft, particularly a camshaft, in which the camshaft has a support element and multiple functional elements, each with a recess, and the functional elements are inserted into at least one holder element, and are held immobile in that position, and the support element is inserted into the recesses, also a holder device for manufacturing a camshaft, and a camshaft produced by such a method.

Abstract: A damper device comprises: a first shaft that outputs rotational power from a power source; a second shaft that transmits rotational power to a gear mechanism and has outer splines; a first rotational member(s) to which the rotational power of the first shaft is transmitted; a second rotational member spline-engaged with the outer splines; a damper unit that absorbs torque fluctuation between the first and second rotational members; and an inertial body having inner splines spline-engaged with the outer splines and having an annular portion. The tooth parts of the inner splines are pressed into contact with the tooth parts of the outer splines in the circumferential direction of the inertial body.

Abstract: A variable compression ratio (VCR) device, may include a cone rod, an upper end portion thereof being rotatably coupled to a piston pin to be connected to a piston, dual eccentric links eccentrically coupled to the piston pin, wherein each of the dual eccentric links may be placed on lateral sides of the upper end portion in the cone rod having a lower end portion coupled to a crankshaft, and dual swing links, one end of each of the dual swing links being engaged to a control shaft of an actuator and the other end of each of the dual swing links being connected to lower portions of the dual eccentric links.

Abstract: A racing pedal for a track bicycle includes a pedal body, a clamping unit and a primary strap. The pedal body has a first end, a second end and an axle near the first end. The clamping unit is movably attached to the first end of the pedal body and pivotable against the axle between a clamping position for engaging a shoe cleat and a releasing position. The clamping unit has a pulling portion and a clamping portion wherein the pulling portion is farther from the second end of the pedal body than the clamping portion is, and when the clamping unit pivots on the axle, upward tilt of the pulling portion makes the clamping portion point downward. The primary strap is positioned in the pulling portion for being looped to receive the shoe.

Abstract: A fuel pump supplying reservoir oil reservoired in an input case to devices to be supplied with the reservoir oil and a filter for filtering the reservoir oil circulating in the input case are provided in the input case. A fuel pump supplying reservoir oil in each of left and right axle cases to a hydraulic continuously variable transmission provided in each of the axle cases and a filter filtering the reservoir oil circulating in each of the left and right axle cases are provided in each of the left and right axle cases.

Abstract: A method for treating spheroidal graphite iron includes the step: pouring molten spheroidal graphite iron into a pouring electrical furnace (1); covering the molten spheroidal graphite iron (5) with alkali slag (6) which is melted at high temperature and rich in alkali earth metal ion, rare earth metal ion, or mixture of them; connecting the molten spheroidal graphite iron (5) with the negative pole of the direct current source by one pole (7); connecting the alkali slag (6) with the positive pole of the direct current source by another pole (4), treating the molten spheroidal graphite iron (5) with the alkali slag (6) which is used as electrolyte. The method can prevent the spheroidized fading velocity of the spheroidal graphite iron. The pouring electrical furnace can be used for treating the molten spheroidal graphite iron.

Abstract: The present document describes a method and confinement unit for stopping a chemical reaction involving hot metal dross and a gas in the surrounding environment. The method comprises transferring the hot metal dross in a dross pan and placing the dross pan with the metal dross therein in the gastight chamber. Then, the dross pan is sealed with the hot metal dross therein into a gastight chamber of a fixed interior volume. The chemical reaction occurring inside the gastight chamber depletes a limited amount of gas present inside the gastight chamber, thereby stopping once the gas is completely depleted. The gastight chamber is shaped and sealed to withstand a pressure differential created by the depleting of the gas in the fixed interior volume, until the hot dross is cooled and the chemical reaction has stopped.

Abstract: Disclosed is a method for preparing low-oxygen titanium powders. The method includes (a) separately placing titanium base powders and calcium in a deoxidation container, (b) deoxidizing the titanium base powders by heating an inner part of the deoxidation container at a temperature of 850° C. to 1050° C. so that the calcium is evaporated to make contact with the titanium base powders, (c) removing calcium oxide from surfaces of titanium powders, which are obtained by deoxidizing the titanium base powders in step (b), by washing the titanium powders, and (d) drying the titanium powders subject to the removing of the calcium oxide in step (c).

Abstract: Process for melting scrap metal in a furnace comprising the steps of feeding a charge of solid scrap metal to the furnace, supplying fuel and an oxygen-rich oxidant to the furnace and combusting the fuel with the oxidant to generate heat inside the furnace, melting the charge of solid scrap metal in the furnace by means of the heat, withdrawing the molten metal from the furnace. Following the step of feeding the charge of solid scrap metal to the furnace, the fuel is combusted with the oxidant so as to generate one or more visible flames in the furnace above the charge and before the step of withdrawing the molten metal from the furnace, the fuel is combusted with the oxidant so as to generate flameless combustion in the furnace above the molten metal.

Abstract: A method (10) for the extraction and recovery of vanadium from its ores, the method (10) characterised by the steps of: (i) Acid leaching (12) of an ore containing vanadium and iron to extract vanadium and iron into solution; (ii) Passing the product (78) of the leach step (i) to a solid/liquid separation step (80); (iii) Passing the liquid product (82) of separation step (ii) to a solvent extraction step (14) in which vanadium and iron are extracted into an organic extractant from that liquid product; (iv) Passing the loaded organic extractant produced in step (iii) to a stripping step (16, 18) in which acid is used to selectively and sequentially strip the vanadium and iron from the organic extractant; and (v) Passing the vanadium containing strip solution of step (iv) to a recovery step (104).

Abstract: A method of recovering metal from heap leached ore is provided. The method includes supplying process fluid to a tank, distributing heap leached ore in the tank, optionally disrupting the flow of ore through the tank, creating a pregnant solution and discharging the process fluid, heap leached ore and pregnant solution from the tank to recover additional metal from the heap leached ore.

Abstract: A device for stripping coating from electric wires is provided with a function to detect any contact between a wire core and stripping blades even for electric wires which have been cut short. This device has a signal analyzer circuit for measurement of impedance via stripping blades capable of detecting any contact between the stripping blades and the wire core by detecting a change in impedance as a result of addition of impedance of the wire core to that of the stripping blades at the moment of any contact of the stripping blades with the core of the electric wire in the course of stripping coating from the electric wire.

Abstract: The manual nailing process can injure the person's hand gripping the nail when the nail head is missed. The underlying surface of the work (the object being nailed, made of wood or other relevant materials) can be damaged when the hammer hits the work surface instead of the nail or from the hammer claws when the nail is extracted. The nailing aid described in this application holds the nail when it is being started, away from the person's hand. This aid also provides protection for a broad area of the underlying work surface around the nail, when the nail is being struck or extracted. The striking surface of the aid is sloped to prevent it from being trapped by a bent nail or a nail head. The handle of this aid also serves as a holder for an optional nail set or pencil.

Abstract: A tool for removing roof shingles is disclosed having a handle, a split shaft, a pair of roller wheels and a replaceable blade member. A pair of handles extends orthogonally from the proximal end of the shaft, while the distal end of the shaft separates into a first and second portion that support a flat, shingle-removing blade. Roller wheels are positioned adjacent to the blade such that the blade and wheels can be positioned along the roof surface to allow sliding of the blade under shingles and to provide a fulcrum point from which to lift the blade from beneath any secured roof shingles during removal. The shaft upper portion may include a slight upward bend to reduce back strain, while the user handles are preferably rotatably support to allow the tool to rotate as it is slide without the handles rotating relative to the user's hands and causing blisters.

Abstract: A ratchet includes multiple ratchet teeth defined in the outer periphery thereof and a coated layer is coated along the outer periphery of the ratchet. A laser device is used to generate a laser beam to remove a part of the coated layer to defined openings in the coated layer and the ratchet teeth protrude from the openings.

Abstract: Screw driver-holder apparatuses, systems and methods are provided and can include a screw and a screwdriver. The screw can include a threaded screw body and a screw head, and the screw head can include a socket and a screw head surface surrounding the socket. The screwdriver can include a hollow sleeve with a longitudinal bore and a first end defining a screw engagement surface and a driving shaft positioned within the longitudinal bore of the hollow sleeve and rotatable relative to the hollow sleeve. The driving shaft can further include a first end extending beyond the first end of the hollow sleeve, a second end opposite the first end, and a stop restricting axial movement of the sleeve towards the second end of the driving shaft. The first end can include a protruding tip adapted for engaging the socket of the screw head.

Abstract: The invention relates to a circuit arrangement for operating a hydraulic torque wrench or similar, comprising a piston-cylinder unit (18) that can be controlled at a predetermined pressure by a pump (11). Said arrangement is characterised in that the piston-cylinder unit (18) can be controlled by the pump (11) by means of a proportional valve (12) which acts both as a reversing unit between the forward and return travel and as a pressure control valve.

Abstract: Exemplary embodiments of a torque ring or nut system for use on or with RF and microwave male/female paired coaxial connectors, to apply a pre-set torque value to the mated coaxial connector pair. The torque system includes an inner ring structure and an outer ring structure configured for rotation relative to each other. Rotation of the outer ring structure applies a torque to the inner ring structure.

Abstract: Disclosed is an apparatus and related methods for facilitating the application of a cutting tool to a work-piece rotating on the axis of a lathe.

Abstract: A cutting device for cutting an optical fiber running in a first direction is comprised of a supporting piece having a free end and a fixed end and having resilience; a cutting blade supported by the supporting piece and so disposed as to come in contact with the optical fiber to make a right angle with the optical fiber at a point of the contact; and a driving device configured to press the supporting piece in a second direction in a plane perpendicular to the first direction, the second direction being not intersecting with the first direction.

Abstract: Methods for producing crucibles for holding molten material that contain a reduced amount of gas pockets are disclosed. The methods may involve use of molten silica that may be outgassed prior to or during formation of the crucible. Crucibles produced from such methods and ingots and wafers that are produced from crucibles with a reduced amount of gas pockets are also disclosed.

Abstract: Space in a conduit having at least one cable therein which is surrounded by a duct is recovered by longitudinally cutting the duct and removing the duct from around the cable. The duct may be pulled out of the conduit and past a blade to affect the cutting, or a blade may be pulled through the conduit to cut the duct while still in the conduit.

Abstract: A device for unloading, from a work plane, flat articles having cut portions, the work plane having zones exhibiting first holes selectively connectable to a source of compressed air. A plate arranged horizontally and subdivided into sections exhibits second holes selectively connectable to an aspirating source. An activator vertically and horizontally moves the plate. A control and command board controls the activator, the compressed air source and the aspirating air source, for arranging the plate on the cut article positioned on the work plane and to connect the aspirating source (S) with at least one of the second holes (51) facing the article (A), and the compressed air source (Sc) with at least one of the first holes (29) covered by the article, to detach the article (A) from the work plane (2) and to engage the article to the plate (5).

Abstract: A tablet splitting apparatus capable of reducing fluctuations in weight of split tablet pieces even with simple advanceable-retractable blades is provided. A holding mechanism holds a tablet to be split at a cutting position. In reducing the gap between a pair of opposed blades, which are advanced and retracted with respect to the cutting position, to cut the tablet, the holding mechanism continuously holds the tablet until the tablet is caught between the pair of opposed blades of a cutting mechanism. After the tablet is caught between the pair of opposed blades, the holding mechanism release the tablet and only the pair of opposed blades hold the tablet. The opposed blades are caused to cut into the tablet after the holding mechanism releases the tablet, preventing a crack caused in the tablet ahead of the opposed blades from being curved or increased.

Abstract: A cutting jig is used in a method of reworking a head suspension which removes a slider from the head suspension by pressing a blade from a first side toward a second side in a longitudinal direction of the slider to solder ball bonding, stopping the second side of the slider in the longitudinal direction with a holding mechanism, and forcing the blade to bite and cut the solder ball bonding to remove the slider from the flexure. The cutting jig includes a cutting mechanism configured to press a blade to the bonding material from the first side toward the second side in the longitudinal direction of the slider, and a holding mechanism stopping the second side of the slider in the longitudinal direction when the blade is pressed to the bonding material.

Abstract: A cutting disk for a rotary cutting machine includes a disk body having a central axis of rotation and a circumferentially extending outer periphery. A plurality of circumferentially spaced apart cutting teeth is mounted to the outer periphery of the disk body. A chip pocket is defined in the circumferential outer periphery of the disk body between each of the circumferentially spaced apart cutting teeth. Each chip pocket is formed by a chip clearance surface extending radially inwardly into the disk body to form the chip pocket between circumferentially adjacent cutting teeth. The chip pocket is adapted to receive a tooth-produced chip therein, thereby providing more room for chip discharge and thus reducing disk wear.

Abstract: The steel punch knife according to the invention is suitable for punching out parts of any shape from paper, cardboard, paperboard, corrugated board, plastics sheets, leather rubber and the like, and comprises a knife body (4) with a cutting edge (2) at one end and a deformable back portion (3) opposite the cutting edge (2). The cutting edge (2) is harder than at least a portion of the back portion (3). The back portion (3) comprises a V-shaped back edge (3b) having two inclined sides defining an inclination angle between them. The maximum width of the back edge (3b), at the base thereof, is smaller than the width of the knife body (4), such that there is a shoulder (9) where the back edge (3b) meets the knife body (4).

Abstract: An adjustment device for an auxiliary fence includes a support frame, an auxiliary fence, a guiding unit and an adjusting unit. The guiding unit guides the auxiliary fence along a longitudinal direction such that the auxiliary fence is selectively slidable relative to the support frame. The adjusting unit allows the auxiliary fence to be adjusted relative to the support frame and securely positioned. The adjusting unit includes a driving member, a securing member installed on the driving member, and an elastomeric element. When the driving member is operated, the securing member becomes disengaged from the support frame which allows the position of the auxiliary fence to be adjusted by sliding it relative to the support frame.

Abstract: A double keyboard piano system is provided. The double keyboard piano system may include a first automatic player piano, a second automatic player piano, and a double keyboard console including a first keyboard and a second keyboard mounted above the first keyboard. The first automatic player piano is in communication with the double keyboard console to receive a first signal including first information describing a first key for the first automatic player piano to automatically play based on a first key of the first keyboard being played, and the second automatic player piano is in communication with the double keyboard console to receive a second signal including second information describing a second key for the second automatic player piano to automatically play based on a second key of the second keyboard being played.

Abstract: The invention relates to a shoulder support for a bowed instrument having a support element for placing on the shoulder and/or chest of the player. To that end, there is provision according to the invention for the support element of the shoulder support to be produced from a thermoplastic material.

Abstract: A hybrid drum as described combines the characteristics of both acoustic and electronic percussion apparatus enabling a musician to have a single instrument and have either acoustic or electronic output. A hybrid drum includes a multilayer drum head with a built-in FSR sensor such that the FSR drum head replaces the drum head of the acoustic drum and can be used to perform acoustically and or electronically. The FSR sensor is built into a double layer, double-head acoustic drum head, wherein one layer of the double head system has the FSR element printed on it, while the other layer of the double layer head has the inter-digiting conductive fingers printed on it and facing the FSR element. A conductive tail extends from one of the drum head layers and is operably connected to an electronic module secured to the drum shell.

Abstract: The present invention is a system for modifying the tonal output of a hand drum. The system includes the use of a tonal cover or membrane to change the sound emitted when the head of a hand drum is struck. Additional tuning pads are then added to further modify the sound of the drum. Tonal adjustment is affected by the number, thickness, material and tautness of the additional pads and tonal cover. A partial coverage of the drum head by a tonal cover may also be utilized.

Abstract: Provided is a tool for simultaneously correcting a radius of curvature of frets, a fretboard or a fingerboard of a stringed instrument and leveling the frets while strings are on the stringed instrument. In order to introduce the strings of the stringed instrument inside the tool, the tool includes grooves, provided at the bottom of the tool, and spaces leading from the grooves, provided inside the tool. The tool is moved back and forth, in a condition where the bottom of the tool contacts the polishing object, while the strings are on the stringed instrument.

Abstract: Given an existing piece of music, represented in any form such as midi, sound frequencies, etc, but most notably in the form of sheet music and musical scores and music-xml, methods can be applied to the existing music to create an entirely new sound. While the traditional transposition of music shifts all notes from one key signature to another and essentially produces the same melody in a different key, this method transposes all the notes of an existing composition using a totally different set of transposition rules to produce unique new music.