Abstract: An ultrasonic transducer comprises a metal plate; an acoustic matching member fastened to one of surfaces of the metal plate, a piezoelectric substrate which is fastened to the other surface of the metal plate and generates a vibration; and an insulating damping member covering a surface of the piezoelectric substrate which surface is on an opposite side of a surface fastened to the metal plate; wherein a thickness of the insulating damping member is set to a length which is n/2 of a wavelength of the vibration propagating through the insulating damping member.

Abstract: Disclosed aspects relate to a flow meter comprising a flow target arranged to be disposed in a fluid flow path in a conduit; a beam coupled to the flow target and arranged to extend outside of the conduit; a sensor having a moveable sensor part coupled to the beam at a position which in use is outside of the conduit, and a static sensor part, wherein displacement of the moveable sensor part with respect to the static sensor part generates a signal. In use, fluid flow acting on the flow target causes displacement of the moveable sensor part, thereby generating a signal which is representative of the fluid flow rate.

Abstract: [Object] To provide a low-cost, compact, high-precision axial force sensor. [Solution] The axial force sensor is configured including a pair of pressing plates (12) and a strain gauge (14) arranged in parallel, and sandwiching the strain gauge (14) with the pair of pressing plates (14). The strain gauge (14) includes a plurality of sensitive elements consisting of resistors, and is provided with a spacer (16) that transmits a pressing force from the pair of pressing plates (12) to at least one of the plurality of sensitive elements and blocks the pressing force with respect to the rest of the sensitive elements. The spacer (16) is formed in a ring shape, and has a plurality of opening portions formed at constant angular intervals. On the strain gauge, the sensitive elements are provided at the positions of the opening portions and positions therebetween.

Abstract: The invention relates to a test bench (1) for testing a drive train of a wind turbine, comprising a drive device (40) for introducing test power into the drive train, which can be detachably connected to a drive train to be tested. The invention further relates to a method for testing a drive train of a wind turbine by way of a test bench (1), and to a drive train of a wind turbine. The test bench (1) according to the invention is characterized in that the drive device (40) for testing a drive train is or will be fitted and mounted on or to the drive train so as to be removable, wherein most of the weight of the drive device (40) is borne by the drive train when the drive device (40) is fitted or mounted.

Abstract: An apparatus assembly of a medical apparatus is equipped for collision detection by attaching a polyvinylidene fluoride (PVDF) cover assembly to at least one rigid surface of the apparatus assembly, with a resilient material between the PVDF cover assembly and the rigid surface. The PVDF assembly is composed of a PVDF foil with electrically conductive layers on opposite sides thereof. A protective layer covers the PVDF cover assembly. Electrical leads are connected to the conductive layers, and the piezoelectric property of the PVDF foil produces a voltage across the leads when a force associated with a collision acts on the PVDF foil. A detection circuit detects this voltage and initiates an appropriate response to the collision.

Abstract: Monitoring deformation of a flexible electronic apparatus. Changes in space within the apparatus between at least two measurement points are detected; and degree of deformation of the apparatus is determined based on the detected changes in the space within the apparatus between the at least two measurement points.

Abstract: Apparatus and associated methods relate to a preloaded force sensor, the preloaded force being greater than a force threshold separating a non-linear response region of sensor operation from a substantially linear response region of sensor operation. In an illustrative embodiment, the total applied force includes the preloaded force and an externally-applied force, the preloaded force being predetermined such that electrical signal response is substantially linear for positive externally-applied forces which when added to the preload force do not exceed the maximum force. In some embodiments, the externally-applied force may be transferred to a force-sensing die via a force-transfer member. In an exemplary embodiment, a spring having a predetermined spring coefficient may apply the predetermined preload force to the force-transfer member. In an exemplary embodiment, externally-applied positive forces may be simply calibrated using gain and offset corrections.

Abstract: An analyzer which analyzes an analyte by using the analyte and consumables, the analyzer comprising: an automatic reading device which reads a first product information related to a consumable via an identifier given to the consumable or a container containing the consumable; and a controller which permits an analysis operation when the first product information is suitable information read by the automatic reading device via the identifier, and prompts an operator to manually enter a second product information comprising information specifying the manufacturer or seller of the consumable when the automatic reading device cannot read the identifier or the information read via the identifier is not suitable as the first product information and permits the analysis operation and storage of the input second product information when the operator has entered the second product information.

Abstract: Provided is a sampling method of recycled raw material, the method including: a process (S3) of primarily crushing recycled raw material; a process (S4 to S7) of separating primarily crushed raw material into three components, “scrap iron”, “scrap aluminum”, and “recycled raw material component other than scrap iron and scrap aluminum” and performing primary sample reductions of the three components; a process (S8 to S10) of secondarily crushing “the recycled raw material component other than scrap iron and scrap aluminum”, which is subjected to the primary sample reduction, and performing a secondary sample reduction of “recycled raw material component other than scrap iron and scrap aluminum” which is secondarily crushed; and a mixing process (S12) of mixing “scrap iron” and “scrap aluminum” with “the recycled raw material component other than scrap iron and scrap aluminum” which is subjected to the secondary sample reduction.

Abstract: A passive dry deposit (Pas-DD) air sampling device and method for sampling volatile, semi-volatile, or particulate matter in air. The Pas-DD device comprises a top cover plate, a bottom plate connected to and spaced a distance apart from the top cover plate, and at least one sampling media supported by the bottom plate and positioned within the device in an orientation accessible for collecting particles in the environment. The top cover plate and bottom plate may be oriented in parallel, and spaced apart a distanced that can be optimized for air sampling a broad size-range of depositing particles. The passive air sampling device and method disclosed are particularly useful for sampling air in regions where access to electricity is difficult, and for estimating atmospheric loadings of polycyclic aromatic hydrocarbons and other semi-volatile compounds.

Abstract: Methods, systems and devices for an energy harvesting sensor are disclosed. A sensor device may include an energy harvesting element configured to harvest energy from a source of energy that is to be measured by the sensor device, and an energy storage element configured to store energy generated by the energy harvesting element. The sensor device may further include a transmitter circuit coupled to the energy storage element and configured to transmit a wireless signal when the energy stored in the energy storage element is sufficient to power a transmission of the wireless signal. The time between transmissions by the transmitter may be used by a receiver of those transmissions to calculate a measure of the quantity being used for energy harvesting.

Abstract: An involute, non-ring, continuous teeth, spherical gear transmission mechanism includes a female and a male spherical gear to form a three degree-of-freedoms deputy campaign. And its design regularity is the same as that of common one degree-of-freedom gear, which is involute tooth profile for continuous engagement, therefore such spherical gears have the same transmission features as common one degree-of-freedom gear, like fixed transmission ratio and efficiency. This invention (utility) of involute non-ring continuous teeth spherical gear transmission mechanism solve problems that distributed-teeth spherical gear cannot provide accurate fixed ratio transmission and that spherical involute gear can only provide 2 degree of freedoms. It provides a better condition of spherical gear mechanism for wide use in practical engineering applications.

Abstract: A drive of a sliding connecting member of a locking system of a telescopic system, having a telescopic cylinder (1) with an outer telescopic section (2, 3) and an inner telescopic section (6, 7), which are each provided with a locking hole (5) into which a locking bolt (11) can be entered and withdrawn in a releasable manner via the sliding connecting member (14), provided with a sliding path (12), and a grasper (10), wherein the locking bolt (11) is designed to be moveable by means of an engagement member (9) running in the sliding path (12) in such a way that the locking bolt (11) effects a linear movement and the jib sections (3, 6) can be connected to one another by insertion of the locking bolt (11) into the bolting hole (5) and the sliding connecting member (14) can be driven by an electric linear drive (4).

Abstract: A dual clutch transmission includes a first and a second input shaft provided with a first and second input arrangement, respectively, a centre shaft, a countershaft, and a first and a second primary gear step. The first and second input shaft are coaxially arranged with the centre shaft and can transfer torque from the first and second input means to the countershaft via the first and the second primary gear step. The first primary gear step including a first input gearwheel and a first driven gearwheel. The first input gearwheel is rotationally fixed with the first input shaft. The first input gearwheel is arranged upon the centre shaft.

Abstract: A shift actuator of the present invention includes a first and a second fluid pressure chamber providing fluid pressure to each of a first and a second piston, a hydraulic control device for regulating pressure of hydraulic oil discharged from a hydraulic source and supplying the same, a first and a second oil passage communicated from the hydraulic control device to each of the first and the second fluid pressure chamber, a first and a second connecting portion for connecting the first oil passage with the first fluid pressure chamber and the second oil passage with the second fluid pressure chamber, and a first and a second orifice portion having a diameter smaller than the inner diameter of the first and the second oil passage provided to each of the first and the second connecting portion.

Abstract: Provided with a hollow piping member attached in a casing and a guide member integrally installed on an outer peripheral surface of the piping member. The guide member is structured by a plurality of surfaces including a first surface on which at least part of hydraulic fluid pumped up by a final gear is received and a second surface connected to one end of the first surface extending along a side of the final gear, and fastened to the casing by a fastener. The guide member receives hydraulic fluid pumped up by the final gear, restraining the fluid from reaching a breather mechanism and neighborhoods thereof.

Abstract: Disclosed is a driving device for a washing machine including a bearing housing affixed to a lower surface of a tub; a spin-drying shaft that extends through the bearing housing, having an upper end coupled with a drum, and having a serration at an outer circumferential edge of a lower end; a washing shaft that extends through the spin-drying shaft so that opposed ends of the spin-drying shaft extend beyond and end of the washing shaft, having an upper end coupled with a pulsator or agitator, and having a serration or gear a lower end; a driving unit configured to deliver power to rotate the spin-drying shaft and/or the washing shaft; and a driving unit support part having one end coupled to the bearing housing and another end fastened with the driving unit.

Abstract: Provided is a scissors gear device having a structure which is simplified so as to reduce its overall size and thereby expand the range of application and simplify its assembly process. A scissors gear device 100 includes a main gear 101 and a sub-gear 104. The main gear 101 has three curved-surface protrusions 102 formed at a peripheral edge of one side surface thereof. The curved-surface protrusions 102 are arranged in the circumferential direction and each have an arcuate shape. The sub-gear 104 has three sloped surfaces 105 formed at a peripheral edge of its side surface facing the main gear 101. The sloped surfaces 105 are arranged in the circumferential direction. The sloped surfaces 105 are provided at positions corresponding to the curved-surface protrusions 102 formed on the side surface of the main gear 101. Each sloped surface 105 is a flat surface which extends in the circumferential direction and slopes toward the interior of the sub-gear 104 at a predetermined angle ?.

Abstract: A shifter assembly (23) for selecting one of a plurality of gears of a transmission of a vehicle. The shifter assembly includes a lever (24) having a retention surface (34) and defining a first engagement feature (36) and a shroud (48) at least partially disposed about the lever. A collet 54) is at least partially disposed about the lever and is movable. An actuator (58) has a second engagement feature (68) selectively engaging the first engagement feature and has an abutment surface (60) selectively engaging the collet. The actuator rotates about the lever from an unlocked position to a locked position which facilitates engagement of the abutment surface with the collet and correspondingly moves the collet to sandwich the shroud between the collet and the retention surface of the lever. The actuator further defines a cable passage (78) and the shifter assembly includes a cable (46) with the cable extending through the cable passage.

Abstract: A shift actuator of the present invention includes a first and a second fluid pressure chamber for providing fluid pressure to each of a first and a second piston defined in a cylinder and a shift operating member inserted and disposed between the first piston and the second piston to move back and forth along the axial direction. On a side surface to the axial direction of the cylinder, an opening portion to which the shift operating member is inserted is formed. The opening portion is provided opening only to a part of the circumferential direction of the cylinder, and a lower end of the opening portion in a circumferential direction of the cylinder reaches a just under position in the vertical direction of the cylinder. This enables to discharge foreign matters included in hydraulic oil in the cylinder according to a stroke of the piston, with a simple configuration.

Abstract: A hydraulic control system for a dual clutch transmission includes a plurality of solenoids and valves in fluid communication with a plurality of clutch actuators and with a plurality of synchronizer actuators. The clutch actuators are operable to actuate a plurality of torque transmitting devices and the synchronizer actuators are operable to actuate a plurality of synchronizer assemblies. Selective activation of combinations of the solenoids allows for a pressurized fluid to activate at least one of the clutch actuators and synchronizer actuators in order to shift the transmission into a desired gear ratio.

Abstract: A structure for reducing the effort required to shift gears in a heavy-duty transmission. A shifting fork shaft is arranged in the case of a transmission. A linear bearing is arranged between the outer surface of the shift fork shaft and the inner surface of the case, thus transforming the sliding friction of a large area into the rolling friction of each rolling element of the linear bearing. The present structure effectively reduces the effort required to shift gears, improves shift smoothness and overcomes the poor wear-resistance and damage caused by pulling in conventional shift fork structures, while also reducing the likelihood of irreparable damage to the transmission case caused by over-grinding of holes on said case.

Abstract: A gear changer of a power transmitting device includes an input shaft to which a rotational force is inputted from an engine, an output shaft for outputting the rotational force to a rear wheel, and a plurality of speed change gear pairs for transmitting the rotational force from the input shaft to the output shaft. A slider member for selecting one of the speed change gear pairs to transmit the rotational force from the input shaft to the output shaft is supported by the output shaft. Selection of one of the speed change gear pairs is accomplished by moving the slider member in an axial direction by means of a shifter mechanism. A pump rotary shaft, to which the rotation is transmitted from the input shaft, is disposed at a location between the input shaft and the shifter mechanism in a circumferential direction of the output shaft.

Abstract: Various embodiments may provide a convenient mechanism and system for users of vehicles that include handbrakes to operate reverse lockout deactivation mechanisms in connection with the handbrake. For example, saddle-type vehicles such as an all-terrain vehicle (ATV), snowmobile, motorcycle, or the like may benefit from certain embodiments. For example, the system that combines brake, reverse lockout deactivation, and parking brake mechanisms may benefit from a dual rate, dual direction spring system. An apparatus can include a first lever configured to pivot about a first axis. The apparatus can also include a second lever mounted with the first lever and configured further to pivot about a second axis offset from the first axis. The second lever can be configured to be biased to a first position by a first spring and a second spring.

Abstract: An operating device for a bicycle that includes a fixing member that is adapted to be fixed to a bicycle handlebar and includes an adjustment portion, and a housing that includes first, second and third members. The first member and the second member define an adjustment space therebetween and the third member fixes the first member and the second member to each other without passing through the adjustment portion. The adjustment portion of the fixing member is at least partially received in the adjustment space such that the adjustment portion is adjustable relative to the housing in at least a first adjustment direction.

Abstract: A rotary transmitter for a robot includes: a cylindrical stator having a centric opening in a floor, and a rotor accepted in the centric opening in the floor so as to be capable of rotation, and at least one line guided through the opening in the jacket surface of the stator. A segment of the line is slackly guided on an inner wall of the stator, and the segment has a length such that the line can follow a rotation of the rotor about an angle of rotation in a manner free of tensile load.

Abstract: A substrate processing apparatus comprising a transport arm having serially connected arm links, at least one of the arm links having a predetermined arm link height, at least a first pulley and a second pulley, where the second pulley is fixed to an arm link of the serially connected arm links, and at least one torque transmission band extending longitudinally between and coupled to each of the first pulley and the second pulley, the at least one torque transmission band having a corresponding band height for the predetermined arm link height and a variable lateral thickness such that the at least one torque transmission band includes a segment of laterally increased cross section for the corresponding band height.

Abstract: A linkage mechanism includes a first joint, a second joint, a first linkage and a second linkage. The two ends of the first linkage are respectively connected to the first joint and the second joint and the two ends of the second linkage are respectively connected to the first joint and the second joint, wherein when the linkage mechanism is subjected to an external force, the vibration phase of the first linkage is different from the vibration phase of the second linkage by ?. In addition, a robot working platform and a design method for robot working platform are disclosed as well.

Abstract: A controller shifting device for interconnecting an armrest and a controller of a powered wheelchair includes an adjustment mechanism. The adjustment mechanism includes a casing, a first connection seat connected to the casing for connection with the armrest, and a second connection seat connected to the casing for installation of the controller. When the casing rotates from an operating position to a folded position, the second connection seat is lowered for placing the controller below the armrest.

Abstract: An energy absorbing device for a steering column assembly includes a first end configured to couple to a first component of the steering column assembly and a second end configured to couple to a second component of the steering column. An intermediate portion extends between the first end and the second end. The intermediate portion includes a curved portion having a radius and a leg portion extending between the curved portion and the second end. The leg portion includes a plurality of localized surface features to tune a collapse characteristic of the energy absorbing device and to facilitate maintaining the radius constant when a force moves the first end relative to the second end and deforms the energy absorbing device.

Abstract: A rotor system for a bicycle (1), for the purpose of bearing a fork (8) and transmitting the actuations of Bowden cables (31, 32), which each having a core (31a; 32a) includes first and second transmission elements (36, 37), that rotate relative to one another and are arranged in the area of the bearing (21, 23, 25) of the fork (8). The transmission elements include an annular region, mounted on a fork steerer (12) and surrounded by a head tube (21), and connection areas (36b; 37b) for the direct or indirect attachment of the rotor-side ends of the cores (31a 32a). At least one of the transmission elements (37) includes a connection area (37b) with a connecting element, which (32b) can be form-fittingly attached, interacting with, or being integrally connected to, the rotor side end of the core (32a) that is assigned with said at least one transmission elements (37).

Abstract: The invention relates to a joystick (1) for controlling an aircraft, including a frame (2), a lever (3), a mechanical linking assembly (4) for connecting the lever to the frame enabling a rotation of the lever (3) relative to the frame (2) about a first rotation axis (X), in which the mechanical linking assembly (4) includes a first pivot joint (9), the first pivot join (9) including a first portion, a second portion movably mounted relative to the first portion, and at least two flexible blades, each flexible blade having an end that is attached to the first portion and another end that is attached to the second portion, and being resiliently deformable in order to enable a rotation of the second portion relative to the first portion along the first rotation axis (X) and to generate a return torque which hinders the rotation of the second portion relative to the first portion.

Abstract: A vehicle pedal with a contacting position sensor. The pedal includes a housing with an interior housing wall that divides the housing into first and second interior housing chambers. The drum of the pedal arm is located in the first interior housing chamber and the sensor rotor is located in the second interior housing chamber. First and second housing side covers cover the first and second interior housing chambers respectively. The drum is mounted on and supported by the interior housing wall and the first housing cover for rotation of the drum in the first interior housing chamber relative to the pedal housing. A retainer with a pin and a clip extend through respective through-holes in the rotor and into respective slots in the drum and the clip engages against an interior shoulder in the drum for locking the rotor on the drum.

Abstract: A bicycle handlebar includes a main body pivotally connected to a bicycle. A first holding portion and a second holding portion corresponding to the first holding portion are disposed at left and right sides of the main body. The first holding portion and the second holding portion each bend towards a forward riding direction and extend to form a forward bending portion. The forward bending portions each extend towards a backward riding direction to form a backward bending portion. The backward bending portions each extend towards the backward riding direction to form a rear section. A distance between the two backward bending portions is greater than a distance between the two forward bending portions, so as to expand a turning radius of the bicycle handlebar.

Abstract: Disclosed is a flywheel (13) comprising a rotating element (13?) which rotates in relation to an axis of rotation and includes a radially outer flywheel mass member (24) that adjoins an inner shaft connection part (26) and tapers in the radial direction such that hollow projecting end pieces (24?) are formed. The external face of the outer flywheel mass member (24) has a radial indentation (25) that extends all around the flywheel mass member.

Abstract: A pendulum damper fixed to a rotating element of an engine comprises a pendulum anchor, a pendulum, and a flexible metal strap attaching the pendulum and pendulum anchor. The strap is wound around the pendulum and pendulum anchor to define a bifilar pendulum. A pendulum clamp is attached to the pendulum such that part of the strap is captured between the pendulum clamp and the pendulum. A pendulum anchor clamp is attached to the pendulum anchor such that a portion of the strap is captured between the pendulum anchor clamp and the pendulum anchor. The pendulum includes a pendulum anchor-facing, flexible strap-supporting cam surface. The pendulum anchor includes a pendulum-facing, flexible strap-supporting cam surface. The surfaces of the pendulum and the pendulum anchor that face each other are mutually conjugant so that at all positions of normal pendulum motion there is only a small running clearance between the two surfaces.

Abstract: A series of gear train housings has different sizes. Each size includes a series of different housing types, which are suitable for at least two different gear train types of the following types: spur-gear gear trains, bevel-gear gear trains, flat gear trains, and worm gear trains. Each gear train housing has a housing opening on the drive side, which housing opening is surrounded by a drive flange for connecting a motor, an adapter plate, or an additional gear train. In at least two different sizes, the axes of bearing points designed to accommodate shaft bearings for toothed parts, said axes extending perpendicularly to the plane of the drive flange, lie inside a minimum inside diameter of the drive flange as viewed in a direction perpendicular to the plane of the drive flange for at least two different types of each of said sizes.

Abstract: An automatic transmission device comprises a flat plate for placing inside a transmission bellhousing a solid surface area that supplies support for both rotating pump gears and completely encloses said gears within the pump housing, and eleven holes, the device configured so that seven of the eleven holes are for pump mounting bolts, three of the eleven holes are for fluid passage and one of the eleven holes is for pump gear operation.

Abstract: A transmission device includes an input shaft, a first transmission mechanism, a speed changing mechanism, and an output shaft. The first transmission mechanism includes a transmission shaft, an inner magnetic member received in the transmission shaft, a mounting housing coupled to the input shaft, and an outer magnetic member. The input shaft is configured to rotate the mounting housing. The outer magnetic member is received in the mounting housing and positioned adjacent to the inner magnetic member. A magnetic pole of the inner magnetic member is opposite to a magnetic pole of the outer magnetic member. The speed changing mechanism is coupled to the transmission shaft. The output shaft is coupled to the speed changing mechanism.

Abstract: A vehicle comprises a plurality of motors operatively connected with one another. The vehicle is powered with the plurality of motors individually and in combination with one another to primarily operate each of the plurality of motors within a predetermine efficiency range.

Abstract: A bendable fine grinding device that is possible to bend in response to various angles inside of sinuses such that a tissue lesion is easily removed a tissue lesion located in various angles, and is capable of transferring stably rotatory power to a shaver in bend state. The bendable fine grinding device includes a fixing part disposed in an operating part, a bending part coupled at the end of the fixing part to bend to a desired direction, a shaver disposed at the end of the bending part, and a power transfer member that is bendable to a bending direction and an angle of the bending part and is coupled to the operating part and the shaver to transfer rotatory power of the operating part.

Abstract: The present invention relates to an apparatus and method for purifying materials using a fractional solidification. Devices and methods shown provide control over a temperature gradient and cooling rate during fractional solidification, which results in a material of higher purity. The apparatus and methods of the present invention can be used to make silicon material for use in solar applications such as solar cells.

Abstract: A starting material 2 in the form of a magnesium-containing metal melt is present together with the upper region 32 of a condensation vessel 3 in the upper region 11 of a retort 1 heated by the external heating element 5, wherein the steam produced according to the arrows 91, according to arrow 92, enters the upper region 32 of the condensation vessel 3 through the opening 31 below the cover 4 which provides protection from unwanted ingress of contaminated magnesium melt, wherein said steam condenses in the lower region 12 of the retort which is heated by a second heating element 51, below the line 8 corresponding to the melting point isotherm of magnesium, to give the high-purity magnesium melt 21 in the lower region 33 of the condensation vessel 3.

Abstract: A pelletizing process, having two distinct serial stages. In the first stage, crude (or green) pellets of a given ore, or a mixture of ores (such as iron ore, manganese ore and other minerals), are produced, while in the second stage, a Device for Improvement of Crude Pellets, is used. The Device includes a slightly elastic and smooth surface, with reduced attrition rate, that may be striated, and that, encircled in itself, forms a cylindrical geometric hollow figure supported by a metallic structure, also cylindrical, with the set forming a finishing drum. The Device rotates with an inner and continuous charge of ore pellets, and can rearrange the structure of such pellets, improving their physical quality: compressive strength, sphericity and surface finishing, and assimilate fines generated during previous processes. This device allows application of diverse materials to the pellets to add required extra properties per specificities of subsequent industrial processes.

Abstract: A penetration-type ratchet wrench includes a wrench body having a ratchet wheel assembled in the interior. The ratchet wheel is formed with a polygonal sleeve joint hole for a sleeve to be fitted therein and has one end protrusively formed with a first neck. When the first neck has its outer circumferential side cut into a ring groove through lathe processing, the corners in the sleeve joint hole will respectively and transversely formed into a curved elastic plate. The elastic plates of the ratchet wheel can elastically stop the joint portion of the sleeve for restrictedly positioning the sleeve in the sleeve joint hole and also can elastically and tightly push against the outer circumferential wall of the sleeve for firmly clamping and securing the sleeve in the interior of the wrench body.

Abstract: A one-way drive strap wrench has a handle, a threaded rod module mounted in the handle and a clamping module mounted in the handle. The clamping module has an asymmetric clamping block and a strap. The clamping block is mounted around a combining unit of the handle and has an accommodating trough accommodating a pushing segment of the threaded rod module, wherein the accommodating trough is wider than the pushing segment. The strap is circled around the clamping block to form a surrounded area. A crossing angle is formed between the axis of the handle and the blocking line and is smaller than 90 degrees.

Abstract: An adjustable spanner wrench which maintains a predetermined engagement position. The spanner wrench has a rotatable engagement arm attached to a body, wherein the engagement arm is discouraged from rotating in an opening direction unless released. The spanner wrench has a body, an engagement arm, and a release mechanism which allows or prevents rotation of the engagement arm respective to the body in the opening direction.

Abstract: A hand tool with an angle adjusting mechanism includes a handle, a tool head, a controlling rod and an engaging member. The handle has a receiving groove defined at one end thereof, a transverse hole defined in one lateral side and a longitudinal hole defined in a bottom of the receiving groove. The tool head has a pivoting portion assembled in the receiving groove of the handle. The pivoting portion has a low of teeth defined at an outer periphery thereof The controlling rod is disposed in the transverse hole of the handle. The engaging member has a post and an engaging head. The engaging head has an inner tooth part and two side teeth disposed at opposite sides of the inner tooth part. The inner tooth part and the side teeth form a substantially concave shape to engage with the teeth of the pivoting portion.

Abstract: An extension tool is disclosed comprising a first pole and a second pole. The second pole is partially disposed in the first pole for defining a variable overall tool length. A slide controller includes a lower clamp and an upper clamp. The first pole is disposed in the lower clamp. A first clamp compressor applies a compressive force to the lower clamp for defining a lower clamp lock and coupes the slide controller with the first pole. A second clamp compressor applies a compressive force to the upper clamp for defining an upper clamp lock and prevents slidable displacement of the second pole relative to the first pole. The second clamp compressor applies a non-compressive force to the upper clamp for defining an upper slide guide. The upper slide guide facilitates the slidable displacement of the second pole relative to the first pole.

Abstract: In an ultrasound-assisted method, in each of at least two sonotrode arms (8, 9) of a sonotrode (7) that is fixed in a protruding manner, said sonotrode arms being connected to each other by means of a respective joint (10) in each case, a respective ultrasonic wave that is transverse to the protrusion direction and that oscillates in a resonance mode is produced, wherein ultrasonic waves superposed in the at least one joint (10) and oscillating in the sonotrode arms (8, 9) of the joint (10) oscillate at a phase offset from each other, and the oscillation planes of the superposed ultrasonic waves are parallel to each other.