Abstract: A workpiece holder 1 includes a holder head 11 and a holder body 12. The holder head 11 includes a chuck unit 13 for holding a workpiece W, a support pedestal 111 for supporting the chuck unit 13, and a hook 113 provided on a distal end portion of an arm 112 extending from the support pedestal 111. The holder body 12 includes a cylindrical body portion 121, a retained portion 123 that is arranged inside the body portion 121 and rotated around the cylinder axis J1 to be in either a retained state in which the retained portion 123 is retained by the hook 113 on the ?Z direction side or in the released state in which retaining by the hook 113 is released, and a disk spring 126 for biasing the retained portion 123 in the ?Z direction.

Abstract: A mobile resurfacing machine for resurfacing the interior of cylinders in via boring. The machine has a cradle assembly which is attached to the cylinder opening of the fluid end module of a drilling mud pump and further has a powered, rotating cutting assembly which is mechanically advanced into the cylinder opening which is to be resurfaced such that the surface is bored to the desired specification.

Abstract: A method for releasing a drill core from a drill bit of a core drilling device, with an intuitive movement being recognized and used as a trigger for a shaking process for the drill core. The intuitive movement may be for example a shaking movement of the core drilling device. A core drilling device for carrying out the proposed method is also provided. The core drilling device preferably includes a sensor system for detecting the intuitive movement of the core drilling device, while the sensor system may for example comprise a gyro sensor.

Abstract: Cutting tool, which is driven with its shaft so that it rotates about its longitudinal axis or in a pushing and pulling manner, and wherein further shaft-side secondary cutting tools are fastened to the shaft, wherein the secondary cutting tools are fastened to the shaft of the cutting tool in an exchangeable manner.

Abstract: A shuttle assembly for use with a saw guide track is provided. The shuttle assembly includes a base plate to which a saw is mounted. An alignment spacer extends laterally outward from the base plate and provides an abutment for locating a saw blade of the saw while the saw is being secured to the shuttle assembly.

Abstract: A cable saw for cutting a workpiece includes a circulating saw cable, a guide device, and a cable storage device and cable tensioning device. The saw cable is driven by a drive and includes a sawing section. The guide device is arranged to move the sawing section along a cutting direction for cutting engagement with the workpiece. The guide device is arranged to allow several movement directions including the cutting direction and at least one lengthening or shortening of the sawing section. The cable storage device and cable tensioning device is arranged for storing, releasing and/or tensioning the saw cable when changing a position and/or length of the sawing section. The guide device includes a lever gear with a pivot lever rotatably hinged to a base holder. The lever gear is arranged to convert a rotational movement of the pivot lever into a movement of deflection rollers—which form the sawing section therebetween—to lengthen and/or shorten the sawing section.

Abstract: A deburring reamer device comprising a main body. The main body may comprise a first end and a second end. The first end may comprise a right-angle bend and a hole at a tip of the first end. The right angle bend may allow for pipes near studs or in hard-to-reach places to be reached by the device. The device may further comprise a rotation component disposed within the main body coupled to the hole. The device may further comprise a blade removably disposed in the hole of the main body. The blade may be configured to fit into the rotation component. The device may further comprise an actuator disposed on a surface of the main body, operatively coupled to the rotation component. Actuating the actuator may cause the rotation component to rotate the blade.

Abstract: A method for optimizing a machining time of a laser machining process includes: specifying a machining path of the laser machining process on the workpiece, said machining path having a plurality of machining path sections, specifying at least one boundary condition for at least one of the machining path sections; and determining control data for the laser machining process of the machining path taking into account the at least one boundary condition such that a machining time of the laser machining process is minimal. Furthermore, a method for performing a laser machining process on a workpiece includes such a method and a laser machining system is configured to perform the methods.

Abstract: The present disclosure provides a system for printing at least a portion of a three-dimensional (3D) object. The system may comprise a source of at least one feedstock, a support for supporting at least a portion of the 3D object, a feeder for directing at least one feedstock from the source towards the support, and a power supply for supplying electrical current. The system may comprise a controller operatively coupled to the power supply. The controller may receive a computational representation of the 3D object. The controller may direct the at least one feedstock through a feeder towards the support and may direct electrical current through the at least one feedstock and into the support. The controller may subject such feedstock to Joule heating such that at least a portion of such feedstock may deposit adjacent to the support, thereby printing the 3D object in accordance with the computational representation.

Abstract: A multi-component structure includes a first component of a first material, an insert of a second material different than the first material, a retainer, and a second component. The first component includes a recess in which the insert is arranged. The retainer secures the insert in the recess by covering a portion of a top surface of the insert. To accomplish this, a) the retainer is joined to the first component by a solid-state weld or by solid-state additive manufacturing, or b) the base component and the retainer are of a one-piece construction and the retainer is of the first material. The second component is attached to the insert by a mechanical connection or by a resistance spot weld between the second component and the insert.

Abstract: A bolt feeder is for supplying a bolt to a resistance welding machine that performs resistance-welding of a workpiece and the bolt using a lower electrode. The bolt feeder comprises a holding unit configured to receive the bolt fed by a bolt feeding unit with a head located above a shaft, a moving unit configured to move the holding unit, and a pusher member configured to protrude from and retract into a tip end of the upper electrode. The bolt includes a projection on a top surface of the head which is opposite to a surface provided with the shaft. The lower electrode includes an insertion hole into which the shaft is inserted. The shaft is inserted into the insertion hole by the pusher member protruding from the tip end of the upper electrode and pushes an area of the top surface where the projection is absent.

Abstract: An ultrasonic transducer includes an elongated transducer body with an aperture for mounting a piezoelectric driver stack for driving the ultrasonic transducer to operate at a first resonant frequency, a mounting flange for mounting the transducer body to a wire bonding machine, a rigid connecting member having first and second ends which are respectively connected to the mounting flange and the transducer body at a first nodal vibration region of the transducer body when the ultrasonic transducer is operated at the first resonant frequency and a flexible connecting member extending between the mounting flange and the transducer body at a second nodal vibration region of the transducer body when the ultrasonic transducer is operated at the first resonant frequency.

Abstract: An ultrasonic transducer that is configured to selectively operate at first or second resonant frequency during wire bonding operations includes an elongated transducer body an aperture for mounting a piezoelectric driver stack for driving the ultrasonic transducer to operate at the first or second resonant frequency and a mounting flange connected to the transducer body at a first nodal vibration region of the transducer body when the ultrasonic transducer is operated at the first resonant frequency. The elongated transducer has a length substantially equal to two wavelengths of a first oscillatory wave that is transmitted along the length of the transducer body when the transducer is operated at the first resonant frequency, and substantially equal to a half wavelength of a second oscillatory wave that is transmitted along the length of the transducer body when the transducer is operated at the second resonant frequency.

Abstract: A method of joining tubes with friction welding includes the steps of aligning end walls of tubes to be welded, introducing an intermediate tube segment between the tubes, and bringing the tube end walls together against opposing end walls of the tube segment to put the end walls under axial compressive stress at a friction ramp-up pressure. The method further includes rotating the intermediate tube segment about a tube segment longitudinal axis in at least one direction, increasing the axial compressive friction stress to a forging pressure in order to heat the end parts of the tube and the intermediate tube segment, and increasing the axial compressive friction stress to a forging pressure, thus joining the tubes and the tube segment. The tube segments have a tube wall made of a material resistant to hydrogen embrittlement.

Abstract: In a state where a shoulder member is in contact with a contact surface, a pin member is brought into contact with the contact surface to specify a pin movement amount, which is a distance from an initial position of the pin member to the contact surface, and specify a shoulder displacement amount, which is a displacement amount when the shoulder member is retreated as a result of the contact of the pin member. When both a first condition that the pin movement amount is included in a first range and a second condition that the shoulder displacement amount is included in a second range are satisfied, the pin member is retreated from the contact surface by a predetermined return amount, and furthermore, origin point alignment of the pin member and the shoulder member is performed on the basis of positions of the pin member and the shoulder member.

Abstract: A friction stir welding device includes a table that has a placement surface on which a workpiece is to be placed and is rotatable about a table rotation axis intersecting the placement surface, a tool holder movable relative to the table in a direction along the placement surface and rotatable about a holder rotation axis parallel to the table rotation axis, and a welding tool supported by the tool holder and rotating about a tool rotation axis intersecting the holder rotation axis. A control device has a biaxial operation mode in which the welding tool in a rotating state is pressed against a welding portion of a side surface of the workpiece, the welding tool is relatively moved along the welding portion by rotating the table, and the tool holder is rotated so that the welding tool is directed in a normal direction of the welding portion.

Abstract: This disclosure relates to a friction stir welding tool insert comprising a polycrystalline cubic boron nitride, PCBN, composite material with a textured surface layer. The textured surface layer comprises a pre-defined repeating pattern.

Abstract: A method for bonding components is disclosed. The method may comprise positioning an interlayer between a metallic component and a metal-plated non-metallic component at a bond region, heating the bond region to a bonding temperature to produce a liquid at the bond region, and maintaining the bond region at the bonding temperature until the liquid has solidified to form a bond between the metallic component and the metal-plated non-metallic component at the bond region. A method for providing a part having a customized coating is also disclosed. The method may comprise applying a metallic coating on a surface of a metallic substrate, and bonding the metallic coating to the metallic substrate by a transient liquid phase bonding process to provide the part having the customized coating.

Abstract: Systems and methods determine alignment between a wire and a laser beam in laser joining. A system for checking alignment of a wire relative to a beam of a laser includes a controller configured to align, by tooling, the beam with a sensor system. A laser generates the beam across the wire, with the beam directed to the sensor system. The sensor system measures light intensity of the beam. A processor computes a feature parameter representative of an alignment between the wire and the beam. The processor determines whether the feature parameter is within the process specifications.

Abstract: An optical element assembly includes a first optical element and a second optical element. A reflective surface is formed in the first optical element, the second optical element is bonded to the reflective surface of the first optical element, and the reflective surface is shielded from ambient air.

Abstract: An apparatus for manufacturing a secondary battery includes: an index table configured to receive a secondary battery cell, the secondary battery cell including an electrode assembly, a can accommodating the electrode assembly, and an electrode tab between the electrode assembly and the can to electrically connect the electrode assembly to the can; a laser scanner configured to irradiate laser onto an outer surface of the can to weld the electrode tab to the can; and a controller configured to variably control the laser scanner according to an operation of the index table.

Abstract: A method for applying a measurement scale to a guide rail surface of a linear profile rail guide, the guide rail having a first side surface and the measurement scale including at least one track extending linearly and longitudinally toward the guide rail, including several mirror regions arranged alternately one behind the other, and marking regions, uses a pulsed laser to generate a laser beam and introduces a microstructure in a first region corresponding to the at least one marking region of the first side surface. The laser generates the laser beam with a sequence of several light pulses that is directed at the first region so that the laser beam is moved two-dimensionally relative to the first region to irradiate different subregions of the first region one after the other by the light pulses. Each different irradiated subregion has an overlap with at least one other irradiated subregion.

Abstract: In the present invention, a head connector comprises an optical axis adjustment unit that adjusts the optical axis of a laser beam emitted from a tip of an optical fiber cable, and a spread angle adjustment unit that adjusts the spread angle of emitted light. The optical axis adjustment unit comprises an operation unit configured to be operable from a lateral-surface side of the head connector, and a movement unit that moves a fiber holder within a plane orthogonal to the optical axis of the emitted light in response to an operation of the operation unit. The spread angle adjustment unit comprises an operation unit provided to an insertion unit to be inserted into a laser head, and a movement unit that moves a lens in response to the operation of the operation unit.

Abstract: A method for operating a machine for laser cutting of tubes and profiled sections is provided. The machine has a working head having a focusing device adapted to focus a laser beam on the surface of the tube or profiled section to be worked, a carriage on which the working head is mounted, and an automatic insert application system for placing a threaded insert in a housing formed in a wall of the tube or profiled section by the laser beam. The automatic insert application system is integrated into the machine and configured to operate in a coordinated manner with the working head.

Abstract: A production system for producing a medical device from a tube includes a tube positioning device for positioning the tube. The tube positioning device is configured to hold the tube such that a portion of the tube extends from the tube positioning device along a longitudinal direction. A guiding device is used to guide the portion of the tube, and a laser cutting device is used to form the medical device from the portion of the tube. The guiding device comprises a plurality of bearing elements each configured to abut the portion of the tube and each having a convex curvature in a plane spanned by the longitudinal direction and a transverse direction perpendicular to the longitudinal direction.

Abstract: A method of processing a transparent workpiece comprises directing a defect-forming laser beam to an impingement surface of a transparent workpiece, the defect-forming laser beam having a numerical aperture from 0.10 to 0.25, the transparent workpiece having a textured surface, the textured surface having an Ra value of greater than or equal to 0.5 ?m.

Abstract: A welded steel part with a very high mechanical strength is provided. The welded steel part is obtained by heating followed by hot forming, then cooling of at least one welded blank obtained by butt welding of at least one first and one second sheet. The at least one first and second sheets including, at least in part, a steel substrate and a pre-coating which includes an intermetallic alloy layer in contact with the steel substrate, topped by a metal alloy layer of aluminum or aluminum-based alloy. A method for the fabrication of a welded steel part and the fabrication of structural or safety parts for automotive vehicles are also provided.

Abstract: An apparatus can include a support, and a base member coupled with the support at a first end of the base member, the base member extending from the support. The apparatus can include an arm coupled with the base member at a second end of the base member, the arm extending from the base member to fit within an opening in a vessel. The apparatus can also include a welding head coupled with the arm, the welding head to weld a welding interface at an interior surface of the vessel.

Abstract: A fastener welding apparatus having a frame assembly, a welding assembly, a coupling assembly and a locating assembly. The welding assembly has a welder frame and a welding electrode assembly coupled thereto. The coupling assembly has a suspension frame, a frame axle and a welding axle. The frame axle is fixedly engaged to the frame assembly and the welding axle is fixedly engaged to the welding assembly. The suspension frame is pivotably coupled to each of the frame axle and the welding axle. The locating assembly is structurally configured to selectively allow the suspension frame to pivot relative to the frame axle and the welding axle.

Abstract: A securing system, such as a welding system, includes a robot configured to transfer a part to a home position. A securing station has a frame and a gun supported on the frame. The gun includes first and second members movable relative to one another, which are first and second weld gun electrodes, for example. The gun is configured to secure a component to the part in a securing position during a securing operation. A float assembly interconnects the gun to the frame and is configured to permit the gun to glide relative to the welding frame between the home position and the securing position. A homing assembly includes a homing guide configured to release the welding gun from the home position during the securing operation, such as resistance welding fasteners to sheet metal workpieces.

Abstract: A boring bar system sized and configured for removable in-situ placement within a cylindrically-shaped worksite, such as a hydro turbine-powered dam. The system configured for use in inspecting or maintaining a fixedly and non-removably located work surface at the work site comprises a boring bar. The boring bar includes a vertically oriented rotating main shaft, a pair of stationary spiders, a pair of supports, and a tool arm. The tool arm contains a tool and a variety of mounting locations, or machine slides, to selectively vertically and radially position the tool. The system further comprises a drive control unit (DCU) configured to rotate the main shaft using a drive unit and a variable control drive logic that continuously alters a frequency of the DCU to produce a non-uniform pulsation of the drive unit. As the DCU rotates the main shaft, the tool contacts the work surface.

Abstract: A method for producing a heat transfer sheet, includes: (A1) forming a mixture including at least one of a carbon fiber and a boron nitride flake, an inorganic filler, and a binder resin into a molded body in which the at least one of the carbon fiber and the boron nitride flake is oriented in a thickness direction of the molded body; (B1) slicing the molded body into a sheet shape to obtain a molded sheet; (C1) pressing the molded sheet; and (D1), after the pressing, inserting the molded sheet between films and performing a vacuum packing of the molded sheet with the films such that an uncured component of the binder resin present inside the molded sheet is exuded to a surface of the molded sheet, which is the heat transfer sheet.

Abstract: Devices and/or tooling systems for performing maintenance of dynamic weight management (DWM) systems on railroad vehicles are provided. In embodiments, the devices may include specialized devices or tools configured for removing and/or installing various DWM components. In embodiments, the removal/installation devices may include a DWM cover plate removal device, a DWM crank and shaft removal device, and/or a DWM bushing maintenance device. In embodiments, the DWM cover plate removal device may be configured to remove a cover plate of a DWM system attached to a frame of a truck assembly of a railroad vehicle, the DWM crank and shaft removal device may be configured to remove a DWM main shaft and/or a DWM chain crank from a DWM system, and the DWM bushing maintenance device may be configured to install and/or remove a frame bushing from and/or into a frame bushing opening within a frame of a DWM system.

Abstract: A tool set includes a tool holder, a tool and a tool rack. The tool has a groove unit. The tool holder has a latch unit that engages the groove unit. The tool rack includes a rack body and a blocking member. When the tool holder is moved away from the rack body after the tool is moved into the rack body by the tool holder and after the blocking member moves to a blocking position, the tool is blocked by the blocking member so that the latch unit is separated from the groove unit and that the tool holder is separated from the tool.

Abstract: Provided is a bar feeder that pushes a rod-shaped workpiece into a hollow main shaft having a holding mechanism at one end of the main shaft, from another end, the bar feeder being arranged in a work room arranged adjacent to a processing room where the main shaft is installed, the work room being provided with a work machine including a transport mechanism for moving an article to and from the processing room, and the bar feeder being arranged at a position at which at least a portion thereof overlaps with the work mechanism in a top view or a front view.

Abstract: An electric tool system includes an electric tool device and a history storage unit. The electric tool device includes a holder, a drive unit, a measuring unit, and an image capturing unit. The holder holds a fastening member thereon. The drive unit performs fastening work of fastening the fastening member into a work target by transmitting driving force to the holder. The measuring unit measures, as a torque measured value, a fastening torque value of the fastening work. The image capturing unit generates a captured image by capturing an image of at least the holder. The history storage unit stores history information in which the torque measured value and the captured image are associated with each other.

Abstract: A polishing apparatus 1 includes a control device 90. The control device 90 performs: a cleaning process of causing a cleaning solution to flow in a flow channel 70a and then causing a polishing solution to flow in the flow channel 70a when the number of substrates Wf polished by a polishing machine 10 reaches a predetermined number; and a clogging detecting process of detecting whether clogging has occurred in the flow channel based on a pressure or a flow rate of the cleaning solution detected by sensors 60 and 61 when the cleaning solution flows in the flow channel.

Abstract: A method of controlling polishing includes polishing a stack of adjacent conductive layers on a substrate, measuring with an in-situ eddy current monitoring system a sequence of characterizing values for the substrate during polishing, calculating a polishing rate from the sequence of characterizing values repeatedly during polishing, calculating one or more adjustments for one or more polishing parameters based on a current polishing rate using a first control algorithm for an initial time period, detecting a change in the polishing rate that indicates exposure of the underlying conductive layer, and calculating one or more adjustments for one or more polishing parameters based on the polishing rate using a different second control algorithm for a subsequent time period after detecting the change in the polishing rate.

Abstract: An abrasive article includes a backing; a make coat overlying the backing; and a plurality of abrasive particles overlying the backing and at least partially contained in the make coat; and a make coat thickness ratio (Tg/Ta) of not greater than 1.5, wherein Tg is the average thickness of the make coat at the sides of the abrasive particles and the Ta is the average thickness of the make coat.

Abstract: A ratchet wrench and an external ratchet bushing anti-detachment and quick-release structure have an anti-detachment and quick-release assembly, a ratchet wrench and an external component. The anti-detachment and quick-release assembly can be pushed up and down by displacement and is magnetic, a ratchet wheel is arranged in the actuating end of the ratchet wrench, and the anti-detachment and quick-release assembly is fixed on one side of the ratchet wheel. When the external component is placed in the ratchet, it can be fixed by the magnetic adsorption of the anti-detachment and quick-release assembly. When disassembling, the external component is pushed against the external component to disengage from the ratchet. When the ratchet wrench is subjected to external force, the components will not be disengaged and damaged, and the overall structural assembly stability is good, so as to gain structural stability and allow safety use.

Abstract: A magnetic wrench includes a cutting die that has a rubber surround and the rubber surround has a fastener well. A fastener is insertable into the fastener well in the rubber surround and the fastener includes a head. A tool is provided which has a handle, a shaft extending away from the handle and a magnet that is disposed on the shaft. The shaft is insertable into the fastener well in the rubber surround thereby facilitating the magnet to magnetically engage the fastener in the fastener well in the rubber surround. In this way the tool facilitates the user to tighten or loosen the fastener without requiring the fastener to be gripped.

Abstract: A power tool including a sensor attachment, a housing, a motor, and a power tool controller. The power tool controller is operable or configured to control power provided to the motor. The sensor attachment is coupled to the power tool's housing and includes a first non-contact sensor and a sensor controller. The sensor controller receives signals from the first non-contact sensor related to distance to a work surface and determines a fastener depth based on the signals from the first non-contact sensor. If the fastener depth is greater than or equal to a desired fastener depth, the sensor controller generates and sends a control signal to the power tool controller. In response, the power tool controller turns off or cuts power to the motor.

Abstract: A power tool includes a housing, a motor positioned within the housing, a controller electrically coupled to the motor, and a transmission coupled to the motor. The transmission includes a ring gear and a torque transducer coupled to the ring gear. The torque transducer is configured to transmit a torque value to the controller. The power tool further including an impulse assembly coupled to the transmission to receive torque therefrom. The controller is configured to receive a target output torque value and to determine an actual output torque based at least in part on the torque value from the torque transducer, and the controller is configured to stop operation of the motor in response to the actual output torque being within a predefined margin of the target output torque value.

Abstract: A system and a method are disclosed for disconnecting clips. A clip separation tool includes two arms, the arms having jaws to receive connected clips at a distal end of the arms and handle portions on a proximal end for a user to engage the tool with his hand. A pivot mechanism is coupled to the arms, where, responsive to a force applied to the handle portions, the arms rotate relative to each other around the pivot mechanism such that the distal ends of the arms pivot away from one another and the proximal ends of the arms pivot towards one another. A spring biases the arms to rotate to an equilibrium position that is attained automatically under spring loading once the proximal ends of the arms are relieved of loading. The clip separation tool disconnects connected clips as the force causes the arms to rotate around the pivot mechanism.

Abstract: A tool system for installing a parking pawl includes a tool that includes a base, a plate, and an actuator. The base includes a base surface configured to support a parking pawl in a predetermined position. The plate includes a protrusion that extends upward from a front portion of the plate. A rear portion of the plate is coupled to a front portion of the base. The plate is movable relative to the base between a retention position in which the protrusion is positioned to retain a pawl spring loaded on the parking pawl in a pretensioned state, and a release position in which the protrusion is configured to release the pawl spring. The actuator is operably coupled to the plate such that activation of the actuator moves the plate between the retention position and the release position.

Abstract: Method for the open-loop and closed-loop control of a power tool, in particular a chipping hammer, having a drive, a control device, a sensor device, a transmission device and a handle apparatus, wherein the handle apparatus contains a lever element with a signal transmitter, said lever element being pivotable relative to the sensor device. The method includes: sensing a first and second position of the signal transmitter by the sensor device; determining an acceleration of the signal transmitter from the first position to the second position by the control device; setting a first rotational speed for the drive by the control device for the output of a first impact energy value of the transmission device when the determined acceleration reaches a first predetermined threshold value or setting a second rotational speed for the drive by the control device for the output of a second impact energy value of the transmission device when the determined acceleration reaches a second predetermined threshold value.

Abstract: A power tool includes a motor, a driving mechanism, a main housing, a handle housing, a first guide part and a second guide part. The handle housing is movable relative to the main housing at least in a front-rear direction. The first and second guide parts are configured to guide relative sliding between the main housing and the handle housing in the front-rear direction. Each of the first guide part and the second guide part includes a first engagement part and a second engagement part engaged with each other to be slidable in the front-rear direction. The main housing has the first engagement part. The handle housing has the second engagement part. The second guide part is spaced apart from the first guide part and located rearward of the first guide part in the front-rear direction.

Abstract: A powered tool includes a body, a cylinder, an impact piston reciprocating within the cylinder, and a mount to secure an attachment. The attachment includes a shank and a head sleeve fit over the shank and extending beyond its front end. The head sleeve includes a nozzle at its front end having a slot terminating at a muzzle. An internal hold in the head sleeve is in open communication with the slot. The front end of the shank is disposed within the internal hold and reciprocates therein. A rod is carried within the head sleeve for reciprocal movement in response to reciprocation of the shank with respect to the head sleeve. The rod includes a tongue extending from the internal hold into the slot of the nozzle. The tongue terminates inside the slot for reciprocal movement within the slot in response to reciprocal movement of the shank.

Abstract: An angle-adjustable power tool has a handle, a driving head, and a positioning group. The handle has an engaging mount and an engaging disk. The engaging mount is disposed on a top of the handle and has a communicating recess and a fixing recess. The engaging disk is mounted in the fixing recess of the engaging mount. The driving head is rotatably connected to the handle and has a pivot base and a head portion. The pivot base is disposed in a bottom of the driving head and is rotatably connected to the handle to dispose the engaging mount and the engaging disk between the handle and the pivot base. The positioning group is disposed between the handle and the driving head and has a positioning mount, an elastic element, an abutting mount, and a toggling element.

Abstract: An improved windshield extractor tool is provided. The tool can be made by modifying a reciprocating tool such as a saw, to produce an extractor tool with a quick disconnect assembly. The attachment assembly of the existing reciprocating tool is removed leaving only a cylindrical or rectangular rod connected to the motivating assembly of the tool. A quick disconnect hub is then attached, as by welding, to the remaining rod. The specialized extractor knife is modified for locking engagement with the hub so that the knife can be removed and attached in a single motion. The hexagonal hub allows for rotation of the knife to one of six discrete positions, enabling the operator to re-orient the knife in accordance with the contours of the windshield edges.