Abstract: A double clutch transmission with two clutches that have inputs connected to a drive shaft and outputs which are each connected to one of first and second transmission input shafts. Fixed gears are coupled to the input shafts and engage idler gears. Several coupling devices connect the idler gears to a respective countershaft which have an output gear that couples with an output shaft such that forward and reverse gears can be shifted. First and second dual gear planes each comprise two idler gears supported by a respective countershaft, and one fixed gear. In each of the first and the second gear planes, at least one idler gear is used for two gears. First and second single gear planes each comprise an idler gear and a fixed gear such that at least one winding-path gear can be shifted via at least one, non-engaged coupling device, assigned to one of the output gear.

Abstract: A gear train for first gear, a gear train for another specified forward gear and a gear train for reverse gear are arranged in order from the opposite side to an engine. A synchronizer for reverse gear is arranged on a first countershaft between a first driven gear of the gear train for reverse gear and a driven gear of the gear train for first gear. The synchronizer for reverse gear connects the first driven gear of the gear train for reverse gear and the driven gear of the gear train for first gear when a reverse shift is selected. Accordingly, the manual transmission which can shorten its axial size can be provided.

Abstract: A driving mechanism for a labeling machine includes a plurality of driving arm assemblies and a gear set. The driving arm assemblies and the gear set are independent and can rotate quickly and are less likely to be worn off, and can drive feeding wheels coupled on axles to rotate concurrently to draw and convey a roll of film. A dust guarding plate is provided to surround a base. The driving mechanism provides secure transmission and simple repair and maintenance.

Abstract: Split gear (1) for avoiding backlash when engaging a mating gear (4), comprising a first (2) and second (3) toothed gear wheel, rotating means (5) for coaxially interconnecting the first (2) and second (3) gear at least partially rotatable with respect to each other around a mutual rotational axis (15) and a spring (10) resiliency interconnecting the first (2) and second (3) gear for creating a negative moment between the first (2) and second (3) gear upon alignment of the teeth (12, 13) of the first (2) and second (3) gear by rotation of the first (2) gear with respect to the second (3) gear so that the mating gear (4) can be engaged, characterised in that the spring (10) is integrally formed with the second (3) gear wheel.

Abstract: A driving force transmitting device having a direction changing gear mechanism which transmits a rotation torque from a drive shaft to a driven shaft having an axis extending in a direction different from a direction of an axis of the drive shaft. The direction changing gear mechanism includes an output, an input gear attached to the drive shaft for restricting a relative rotation and engaged with the output gear, a gear housing rotatably supporting the output gear and the input gear under engagement condition, wherein one of the output gear and the input gear is provided with a rotation phase adjusting portion exposed outside for adjusting a rotation phase of the output gear relative to a rotation phase of the second engagement portion of the driven shaft upon the output gear being assembled to the driven shaft.

Abstract: Provided is a rolling-element screw device in which a recess can be easily formed in an outer diameter portion of a nut main body for receiving a circulation member. At both ends of a straight passage 5 of the nut main body 2, a pair of circulation members 8 is provided respectively, in each of which a direction change passage 6 is formed for connecting the straight passage 5 to a loaded rolling-element rolling passage 3. The circulation members 8 in a pair are fit in a pair of recesses 15, respectively, formed in the outer diameter portion of the nut main body 2. The direction change passage 6 of each circulation member 8 has a curve passage 22 which is connected to the loaded rolling-element rolling passage 3. The curve passage 22 is formed in such a way that, when seen in the axial direction of the nut main body 2, the track of the center of each rolling element 7 moving in the curve passage takes the shape of an arc.

Abstract: Provided is a ball screw device having a novel ball circulation structure suitable for a screw shaft with a large lead, optimum for downsizing and weight saving of a nut member, capable of being manufactured at low cost, and capable of exhibiting high reliability even under severe use conditions. In a ball screw device (1) where a screw shaft (2) and a nut member (3) are screwed to each other through an intermediation of a large number of balls (4), a no-load ball path (50) which forms an infinite circulation path for the balls (4) is constituted by a no-load ball groove (33a) spirally formed in an inner peripheral surface of a through-hole (30) of the nut member (3) and by a pair of direction change grooves (34) which communicatively couple a load rolling groove (20a) and the no-load ball groove (33a) to each other so as to complete the infinite circulation path as a closed loop.

Abstract: A deflecting body for a ball screw, which has two body parts to be connected to one another which delimit a deflecting channel which carries rolling bodies. Latching or jamming projections are provided on one or both body parts. The latching or jamming projections, in the assembled final position, latch or are jammed in a frictionally engaging manner in latching or jamming receptacles provided on the other body part.

Abstract: A stick control apparatus includes a member, a fixed location and a pivot point arranged so the member can pivot with respect to the fixed location to follow a deflection axis. A C-shaped spring engages indentation arrangements and provides a bias force to return the member to a predefined position on the deflection axis from any point along the deflection axis.

Abstract: A gear shift device is provided which changes speed by transmitting rotation of a shift spindle by gear shift operation input to rotation of a shift drum through an intermittent feed mechanism and a lost motion mechanism. An upstream rotation holding mechanism is provided to hold in a required rotational position an upstream rotating member of the lost motion mechanism which is rotated by gear shift operation input through the intermittent feed mechanism. When a required level of gear shift operation is done, the gear shift device changes speed adequately, without continuing gear shift operation, and thus improves operability.

Abstract: A shift lever apparatus includes: a housing; a shift lever including a shift lever base member extending in the Z-axis direction, and being arranged to pivot about the shift shaft in the X-axis direction, and a shift lever movable member arranged to move between a first axial side and a second axial side in an axial direction relative to the shift lever base member, the shift lever being arranged to move from a reference position on the first axial side, through an N-position on the second axial side, to one of a pair of positions; an urging member; and a detent pin, the housing including a guide groove arranged to guide the detent pin along the Z-axis direction so as to guide the shift lever movable member only from the N-position to the reference position when the shift lever movable member is positioned on the second axial side.

Abstract: A dual clutch transmission includes: shift rail members having shift lug portions and performing, by actuating shift fork members, a shifting-in operation and a shifting-out operation; a shift select member having an arm portion and, after selecting the shift lug portion of the shift rail member corresponding to a target forward gear stage by moving the arm portion in a select direction, operating the shift rail member by moving the arm portion to perform the shifting-in operation or the shifting-out operation of the target forward gear stage. A movement direction of the arm portion for the shifting-in operation of a higher forward gear stage next higher than one of the forward gear stages except for the highest gear stage and the lowest gear stage is opposite to a movement direction of the arm portion for the shifting-in operation of a lower forward gear stage next lower than the one of the forward gear stages.

Abstract: The invention relates to a gearshifting device (1; 100; 200), which is intended for a transmission and comprises a selector lever (2) that can be moved in such a manner that different shift positions (P, R, N, D, S, M+, M?) can be selected in at least two gearshift gates (3, 4) and that it is possible to shift between one of the gearshift gates (3, 4) and the at least one other gearshift gate (4, 3), and comprises at least one lock (5), which is used to block the traversing path of the selector lever (2) with respect to one of the gearshift gates (3, 4), in order to shift from one of the shift positions (P, R, N, D, S) into another of the shift positions (P, R, N, D, S).

Abstract: A manipulator mechanism according to the present invention comprises an arm 1 having a tip mechanism 3 attached to its tip part, and an arm paying out device 2 to which the base end part of the arm 1 is coupled for winding and paying out the arm 1. The arm 1 comprises a tape aggregate 4 formed by bundling a plurality of elastic tapes 41, and a plurality of bundling members 5 attached to the tape aggregate 4 with spaces therebetween in a longitudinal direction of the tape aggregate 4. The bundling member 5 is provided with a guiding groove 51, through which the plurality of tapes 41 pass, to keep the relative position of the plurality of tapes 41 constant.

Abstract: A manipulator for remotely controlled underwater operation in a nuclear radiation environment to perform service activities at difficult to access regions of the reactor vessel is disclosed. The manipulator includes six degrees of freedom in its ability to move so that it can get past obstructions inside a reactor vessel to access and service remote locations in the vessel. The manipulator also includes a rotary drive for inserting and removing the manipulator into and from a reactor vessel and for rotating the manipulator within the vessel. It also includes an arm with two rotary joints and three pivot joints that can be deployed for better access to difficult to reach locations. The manipulator, which is remotely operated, can be used to manipulate a variety of tools to perform various service activities. The tools, which are attached to the end of the arm, include a water jet, a gripper, a cutter and a camera.

Abstract: A device for handling and/or performing work operations on objects comprises: at least a first arm (2) comprising a first end (2a) for supporting a tool (3) for moving or working; means for supporting and moving (4) the first arm (2) which comprise at least a first linear electric motor (5), developing on a closed path (P), for moving the first arm (2) along a circular trajectory (91), and at least a second linear electric motor (6), to which the first arm (2) is directly connected, developing in an arched trajectory (92). The first (5) and the second (6) linear electric motors cooperate to move the first arm (2).

Abstract: The present invention provides a steering apparatus that can provide good operation feeling in telescopic adjustment and can have a very simple configuration. The steering apparatus has a fixed bracket, a movable bracket, a sliding shaft support member, and a tightening tool. The sliding shaft support member is constituted by a main sliding unit made of an inelastic resin and buffer portions made of a rubber or an elastic resin. The buffer portions are fixedly attached to both sides of the main sliding unit in the front-rear direction, the upper and lower surfaces of the main sliding unit are in a state of sliding contact with both guide edges of a long hole for telescopic adjustment of the movable bracket, and the buffer portions can abut only on both stop end edges and do not come into contact with the two guide edges.

Abstract: The present invention provides a steering apparatus which has increased rigidity in a fixed state of the steering column after positioning performed by tilt and telescopic adjustment, and in which a play is inhibited and operation feeling of steering is improved. The steering apparatus includes a fixed bracket, an outer column, an arm unit, an inner column, a steering shaft, and a tightening tool. The outer column is constituted by a main holding body portion, a divided portion, and a tightening portion. The arm unit is constituted by a bifurcated arm portion that extends axially outward in a substantially bifurcated shape at the axial front side of the main holding body portion and a linking portion formed between the arms of the bifurcated arm portion. The inner column is held by the outer column. The steering shaft is pivotally supported by the linking portion.

Abstract: A steering column assembly comprises an inner tube and an outer tube that surrounds the inner tube along at least part of its length, in a relaxed condition the outer tube being a relatively loose fit around the inner tube, an elongate slot in the outer tube which can be at least partially closed by applying a load either side of the slot to cause a reduction in the internal diameter of the tube, a pair of flanges which are fixed to the tube on opposing sides of the slot, and a clamp mechanism which connects one flange to the other, the clamp mechanism being movable between a clamped position in which it applies a clamping force to the flanges that acts to reduce the width of the slot and so tightens the outer tube around the inner tube, and an unclamped position in which the clamping force is reduced to permit the flanges to move away from one another as the tube returns towards its relaxed condition.

Abstract: The invention provides a steering apparatus which includes: an inner column 3; an outer column 4 fitted with the inner column 3 in such a manner that it is movable in a telescopic manner; a steering shaft 102 which is rotatably supported on the inner column 3 and outer column 4, and on the vehicle body rearward side of which a steering wheel 103 can be mounted; a lock apparatus 7 including a lock pin 73A which can be operated by an actuator to thereby prevent the rotation of the steering shaft 102; and, a lock housing 71 which is formed integrally with the outer column 4 and stores the lock apparatus 7 therein.

Abstract: An anti-loosening device of parking brake has developed for providing a secure parking brake mode with the simplest structure comprising: a ratchet wheel having multiple teeth formed on an arc-shaped edge, an operating lever having an upper portion forming a tube-shaped handle, a lower portion forming a flat and narrow cavity, a latching mechanism consisting of a pawl, a slot formed sliding length Ls, which is same as sliding distance Lp of a rim cap, a rotating shaft, and an elastic spring, a lever operating mechanism consisting of an operating rod, coil spring, and push button. When the push button is depressed, the operating rod slides along the slot to push the elastic spring. Simultaneously, the elastic spring will develop a resilient force for exerting on the pawl, when the operating rod reaches the end of the slot. Then, the pawl rotates to disengage the arc-shaped teeth, when the operating lever slightly lifts-up.

Abstract: A brake handle adapter for trucks and busses having a dashboard and a shaft with a knob includes: a hand plate; a lifting portion attached to the hand plate, adapted to press the knob away from the dashboard; a depressor portion attached to the lifting portion, adapted to press upon the dashboard to provide leverage; and a resting lever attached to the handle, adapted to rest upon the dashboard when the handle is not being operated When the user pulls on the hand plate, the lifting portion engages with and presses upon the knob so as to pull the shaft away from the dashboard. A resting lever adjacent the hand plate rests upon the dashboard. The device helps absorb the kick from operating the brake, to help prevent pain.

Abstract: A bicycle (1) with a bearing (126) including at least one plain bearing bush (126a). The at least one plain bearing bush (126a,) is provided to absorb the radially acting forces. At least one rolling element bearing is provided to absorb the axially acting forces.

Abstract: A vehicle drive apparatus includes a case main body portion accommodating the speed change mechanism; supply oil passages that are formed in the case main body portion and supply pressure oil to the speed change mechanism; a connection case portion connecting the engine and the case main body portion; a mechanical oil pump positioned in a connection region between the case main body portion and the connection case portion and having an inlet oil passage and an outlet oil passage which are connected to the supply oil passage; an electric oil pump capable of supplying pressure oil to the supply oil passages in parallel with the mechanical oil pump; and connection oil passages that are provided in the connection case portion and allow an inlet oil passage and an outlet oil passage of the electric oil pump to communicate with the supply oil passages.

Abstract: A bracket for use with a fluid pump in a transfer case of a vehicle comprises a base member and a plurality of support members extending outwardly from the outer periphery of the base member, with each support member comprising at least one wall member. The base member is positioned within a fluid pump cavity of a transfer case housing when installed into the transfer case, where the fluid pump cavity includes a plurality of indent portions for receiving lugs extending from the fluid pump. Each support member is disposed within a separate indent portion with a wall member being positioned between the transfer case housing and a portion of a fluid pump lug received within the respective indent portion such that the wall members at least partially inhibit the respective lug portions from contacting the transfer case housing proximate the indent portions of the fluid pump cavity.

Abstract: A transmission includes a controller that has a rapid-deceleration judge and a rapid-deceleration processor. The rapid-deceleration judge judges whether a vehicle is decelerating rapidly or not. The rapid-deceleration processor includes a torque-fluctuation inhibitor, and an after-rapid-deceleration change-speed stage anticipator. The torque-fluctuation inhibitor shuts off power transmission from a power source, or holds power transmission by way of a current change-speed stage or lower, when the vehicle is decelerating rapidly. The after-rapid-deceleration change-speed stage anticipator anticipates a subsequent change-speed stage being adapted for restarting or reaccelerating the vehicle that has come out of rapid deceleration.

Abstract: Self-contained timely sequential inertial thrust drive pulses are generated by a tandem mechanical frequency modulated oscillator using the combined effort of linear and rotational inertial reluctance contained in the mass of paired flywheels. The flywheels are having parallel axial orientation with linear displaceable spacing, opposite free wheeling rotation and opposite alternate cyclic machine-logic optimized non-uniform reciprocal motion in union with vehicular travel direction. The combined effort of linear and rotational flywheel motion accomplishes the cyclic realignment of the flywheel motion into one timely gradient vector sum motivating thrust drive. A flywheel integral regenerative drive and rotor within each flywheel are used to obtain the cycle frequency modulation and non-uniform motions.

Abstract: Actuator apparatus having a drive element (26) which can tilt and/or pivot in a predetermined manner in response to electrical activation and which is formed such that it can be contacted by an output partner in order to transmit mechanical drive energy, wherein the drive element, as a connection element, is operatively connected to two expansion units (10, 12; 40, 42), which are formed by means of magnetic shape-memory alloy material, such that the connection element executes a tilting and/or pivoting movement in response to an expansion or contraction movement of one of the expansion units, expansion or contraction movement being produced by the electrical activation and also a magnetic field which is generated by said electrical activation.

Abstract: A high purity Ni—V alloy, high purity Ni—V alloy target and high purity Ni—V alloy thin film wherein the purity of the Ni—V alloy excluding Ni, V and gas components is 99.9 wt % or higher, and the V content variation among ingots, targets or thin films is within 0.4%. With these high purity Ni—V alloy, high purity Ni—V alloy target and high purity Ni—V alloy thin film having a purity of 99.9 wt % or higher, the variation among ingots, targets or thin films is small, the etching property is improved, and isotopic elements such as U and Th that emit alpha particles having an adverse effect on microcircuits in a semiconductor device are reduced rigorously. Further provided is a method of manufacturing such high purity Ni—V alloys capable of effectively reducing the foregoing impurities.

Abstract: The present invention is based on a novel electric induction furnace design that enables the removal of zinc-containing filter dust (FD) originating from the production of steel (alloy or non-alloy) and the production of cast iron with galvanised steel scrap, using a novel process based on the carbothermal reduction of the metal oxides present in the FD, performed at the temperature at which the materials are melted inside the electric induction furnace. The electric induction furnace of the invention incorporates an electric arc or plasma beam generator to melt all the inorganic non-metallic material. The incorporation of this generator also enables the use of large volumes of molten slag.

Abstract: A process for recovering non-ferrous metals, in particular copper, nickel and cobalt, from metallurgical residues containing these non-ferrous metals at an oxidation state of greater than or equal to zero, in an alternating current type plasma arc electric furnace comprising a plurality of electrodes, containing a liquid copper heel covered by a fluid slag comprising at least one fusion-reduction phase, comprising charging of metallurgical residues comprising the non-ferrous metals onto the heel contained in the plasma arc electric furnace, fusion of the metallurgical residues in the fluid slag or at the slag-metal bath interface, reduction of at least the non-ferrous metals to oxidation state zero, and intense stirring of the copper heel by injection of inert gas, preferably nitrogen and/or argon, so as to avoid crust formation and to accelerate the reduction reaction and to cause the copper-miscible non-ferrous metals to pass into the copper heel.

Abstract: Disclosed are cover gas compositions comprising fluoroolefins for impeding the oxidation of molten nonferrous metals and alloys, such as magnesium. The cover gas compositions can include at least one fluoroolefin and a carrier gas.

Abstract: There are provided a method of manufacturing an Fe/Ni-containing material having a low content of sulfur (S) from an Fe/Ni/SO4-containing liquid waste, a ferronickel mass using the Fe/Ni-containing material, and a method of manufacturing the ferronickel mass. The method of manufacturing an Fe/Ni-containing material from an Fe/Ni-containing liquid waste includes: removing SO4 from an Fe/Ni/SO4-containing liquid waste by adding an SO4 neutralizing agent to the liquid waste so that pH of the liquid waste can be maintained to a pH level of 0.5 to 2.5; precipitating Fe and Ni in the form of hydroxide [(Ni,Fe)(OH)] by adding NaOH to the SO4-free solution; washing the precipitate with water; and manufacturing an Ni/Fe-containing material by filtering and drying the washed Ni/Fe-containing sludge.

Abstract: The invention discloses a method for continuously fabricating silver nanowires. The method mixes a glycol solution of a silver salt and a glycol solution of a polyvinyl pyrrolidone, and the mixed solution reacts in a temperature range and a time range to form the silver nanowires. The polyvinyl pyrrolidone has high boiling point and reduction ability so as to reduce the silver salt to the silver nanoparticles, and simultaneously, the polyvinyl pyrrolidone can provide barriers for limiting the particle growth. Besides, the oxygen functional groups on the long chains of the polyvinyl pyrrolidone can keep the stably one-dimensional growth of the silver nanoparticles to form the silver nanowires during the aging process.

Abstract: A process for synthesizing metal submicron and nano-scale powders for use in articles of manufacture. In a suitable reactor, single metal or multiple metal complexes are heated to a temperature whereby, upon contact with hydrogen gas, an exothermic reaction begins. The further temperature rise in response to the exothermic reaction is minimized by reducing the external heat input, thereby minimizing the agglomeration or sintering of the metal nano-scale particles resulting from the process. Preferably, after drawing a vacuum on the metal complexes in the reactor, the hydrogen is introduced at about, equal to or below ambient pressure and the reaction is purposely made slow to prevent agglomeration or sintering.

Abstract: Disclosed herein is a method for concentrating gold contained in a leach residue obtained in a copper hydrometallurgical process for recovering copper from a copper sulfide mineral to efficiently separate and recover gold from the leach residue. According to the method, a gold-bearing copper sulfide mineral is subjected to pressure leaching with sulfuric acid at a temperature higher than 102° C. and 112° C. or lower to obtain a leach residue, and the leach residue is subjected to flotation to separate it into a float fraction and a sink fraction. The float fraction obtained by flotation is desulfurized by heating at a temperature of 250 to 800° C. under an inert atmosphere to obtain a desulfurized product. The desulfurized product is subjected to oxidative roasting by heating at a temperature of 600 to 800° C. under an atmosphere of flowing oxygen or air to obtain an oxidatively-roasted product.

Abstract: A method for processing converter slag produced in copper smelting includes feeding the converter slag into a reducing furnace, reducing zinc and copper contained in the converter slag by heating and removing the reduced zinc through volatilization in a reducing furnace. The slag discharged from the converter is transformed into a raw material for iron making.

Abstract: The present invention provides a process for treating a exhaust gas which is generated when slag discharged from a smelting furnace for non-ferrous metal is water-granulated. There is provided a process for treating an exhaust gas, which is generated during water granulation of slag discharged from a smelting furnace for non-ferrous metal, containing the water vapor as a major component and metal fumes, the process comprising a step of treating the exhaust gas by a wet electrostatic precipitator.

Abstract: A process for sintering metal-containing materials, such as iron ores or manganese ores, on a sintering machine including a sintering belt for transporting the sinter mix during sintering thereof. The sintering belt has first, second and third portions. Sintering waste gas from the third portion is transported to and unified with sintering waste gas from the first portion in a mixing region to form a mixed gas, wherein the transporting distance of the sintering waste gas from the third portion to the mixing region is greater than the transporting distance of the sintering waste gas from the first portion to the mixing region. An apparatus for carrying out the process is disclosed, including the sintering belt, suction boxes operative at the portions of the belt, and lines for conveying the gas produced and the gases used in the process.

Abstract: A ratchet wrench includes a wrench body having a through hole, a driving member rotatably mounted in the through hole and having a center hole for engagement with a nut, and a block ring capped on the driving member and having a stop flange to retain the nut in the center hole such that the nut is unable to drop out of the center hole of the driving member when the nut is tightened or loosened by the ratchet wrench.

Abstract: A tool for gripping and manipulating components such as pipes and nuts; the tool having gripping surfaces provided on removable inserts in the head and jaw such that the gripping surfaces can be replaced if worn, or interchanged, according to need. In particular the invention provides a self-adjusting wrench and a plurality of replaceable or interchangeable gripping inserts for use with the wrench.

Abstract: A rotary tool includes a tool body having a driving end formed thereon and an annular groove defined therein. An indicating coiled spring is received in the annular groove. The indicating coiled spring has a colored indicating mark formed thereon for easily identifying a standard of the rotary tool. The indicating coiled spring is made of metal, wherein the indicating coiled spring is hard to be broken and a lifetime of the indicating coiled spring is lengthened. The indicating coiled spring is able to elastically expand to be easily and co-axially sleeved on the annular groove of the tool body, such that the indicating coiled spring being replaceable and re-useable. When operating, the indicating coiled spring is rotatable relative to the tool body.

Abstract: The present disclosure relates to a hand-held tool that may be held in the palm of a hand, the hand-held tool being of adequate length and size to allow users to comfortably transfer the tool from a palm grip to a pen grip to maintain the use of the fingers and the thumb when the hand tool is stored in the palm. One or several storage housings are attached offset from a drive shaft housing for improved torque transfer from a hand to the tool head, integral storage of work pieces, optimized use of palm torque during use, and better overall grasping. The hand tool is also equipped with a retractable or nonretractable torque drive shaft designed to allow the fingers and thumb of a user to be rotated freely when the tool is in palm grip and capable of transmitting torque through the housing when an axial pressure force is placed along the drive shaft to engage the tool head with the housing. The drive shaft can also be reversed to create a prolongation shaft or placed in another opening of the housing.

Abstract: The hand tool (1) has a body (7), and a chuck (4) with an axial opening (3) on an axis of the tool. A tool element (2) is movable between a retracted position generally within the body, and an extended operative position wherein the tool element extends through the axial opening and chuck, the chuck having a stop (15) for blocking further extension of the tool element once in its operative position. A movable means (16) blocks the tool element against retraction when in the operative position, the movable means being dislodgeable when retraction is desired, to a position where the movable means no longer blocks the tool element against retraction. In the preferred embodiment, the hand tool has multiple tool elements (six for example), spaced around the axis of the tool. Each tool element, when extended, has a proximal end which abuts the distal end (14) of an axial post in the handle of the tool.

Abstract: A screw fastener with simple configuration is provided, which automatically moves a rotary tool such as a nut runner to fastening positions to fasten screws, and the automation is achieved at low thrust. A screw fastener includes: X, Y, and Z-axis linear motion robots that move a nut runner along the directions of X, Y, and Z-axes, respectively, the axes being orthogonal to one another; a reaction force supporting member that supports a main body of the nut runner in a movable manner along each of the directions of the X, Y, and Z-axes and restricts the rotation of the main body around the rotary shaft; and positioning means that positions a body, and thus the screw fastener with simple configuration can automatically move the nut runner to positions to fasten screws, and achieves the automation at low thrust.

Abstract: A torque adjusting structure for power tools includes an accommodating device and a torque device. The accommodating device has a head part and a body part. The head part is formed with a groove for the connection of a power tool. The bottom of the groove is provided with a power base on which power connecting points for electrical connection of the power tool are provided. It provides the required electrical power for the power tool to start. The torque device has an acting part and an adjusting part. The torque device connects to the body part of the accommodating device using one end of the acting part. The other end of the acting part connects to the adjusting part.

Abstract: A torque wrench comprising: a hollow housing comprising an outer wall having a proximal end and a distal end, and an inner wall having a proximal end and a distal end, the inner wall being spaced from the outer wall so as to provide a gap therebetween, the proximal end of the outer wall being connected to the proximal end of the inner wall, and the distal end of the outer wall being configured to engage a workpiece housing; and a mechanical multiplier for disposition within the inner wall of the hollow housing, the mechanical multiplier comprising a torque input shaft and a torque output shaft, the mechanical multiplier being connected to the inner wall of the hollow housing by a loose, non-binding connection, and the torque output shaft being configured to engage a workpiece fastener.

Abstract: The cutting-edge position detecting method includes the steps of: under a condition in which the cutting edge of the tool is positioned in an image that is taken by a camera, performing first sampling scanning operations for the image in a predetermined scanning direction at predetermined first intervals, and recognizing points on an upper edge line of the cutting edge of the tool and points on a lower edge line thereof, based on brightness changing points upon the first scanning operations; connecting the recognized points on the respective two edge lines, so as to obtain two first-level approximate linear lines by a least-squares method; performing second sampling scanning operations for the respective two first-level approximate linear lines in directions perpendicular thereto at predetermined second intervals, and newly recognizing points on the upper edge line of the cutting edge of the tool and points on the lower edge line thereof, based on brightness changing points upon the second scanning operations

Abstract: The invention provides a vertical turret lathe capable of preventing an inner diameter turning tool attached to a turret tool rest from interfering with a workpiece during machining of the outer diameter of the workpiece. The vertical turret lathe comprises a work table that holds a workpiece W1 and rotates, and a working head 40 having a turret tool rest 50 and capable of moving in X-axis and Z-axis directions. A tool holder 70 for holding an inner diameter turning tool T2 via hydraulic pressure is attached to a part of the tool supporting portions 60 of the turret tool rest. The automatic tool changer apparatus 100 includes a turret-type tool magazine 120 and pistons 160 and 162, which mechanically press the pins 74 and 76 of the tool holder 70 and clamp or unclamp the tool T2.

Abstract: An optical marking mechanism for a power tool, the power tool comprising a cutting blade with a cutting width. The optical marking mechanism comprising a light source emitting a first light beam and an optical element located on the end of the emitting light for converting the first light beam into a planar light beam. The planar light beam being able to assist a user in incorporating the cutting width of the cutting blade when cutting a workpiece to increase the measurement accuracy of the resultant cut workpiece.