Abstract: A component supply device is configured to feed a component having a through hole to a target position. The component supply includes: a rod including at its distal end a holding portion to be inserted into the through hole; an actuator; a valve mounted on the rod; and a fixing portion by which the valve that advances with the rod passes. The rod includes a gas outlet located in an outer periphery of the holding portion and configured to blow gas rearward, and a gas passage extending inside the rod and configured to send gas supplied from a gas source to the gas outlet. The valve includes a push switch configured to be switched between an advanced attitude and a withdrawn attitude, and a biasing unit configured to bias the push switch to the withdrawn attitude. The fixing portion includes a pressing wall portion facing the push switch.

Abstract: Method for manufacturing a hollow item made of glass, involving receiving a glass item associated with a moil (cap) at a temperature in excess of 100° C., setting the glass item in motion in a direction of conveying and in rotation on itself about an axis of the glass item, moving mobile equipment at a substantially constant distance from the glass item, identifying a relative position of the mobile equipment with respect to an edge of the glass item, regulating the distance between the mobile equipment and an edge of the glass item as the glass item is rotating and as the mobile equipment and the glass item are jointly moving along, firing a laser beam from optics supported by the mobile equipment toward said edge of the glass item in order to make holes and to part the glass item from the moil.

Abstract: A laser device includes an oscillator outputting pulse laser light, a wavelength monitor measuring a center wavelength of the pulse laser light, and a processor. The oscillator includes a chamber including discharge electrodes applying a voltage to a laser gas in the chamber, an optical element arranged on an optical path of the pulse laser light, a drive mechanism driving a rotation stage on which the optical element is mounted, a grating, and an output coupling mirror. The processor periodically switches a target value of the center wavelength, controls the center wavelength by outputting a drive command to the drive mechanism to change an incident angle on the grating, and corrects a drive command value of the drive mechanism for outputting the pulse laser light with the same target value in a subsequent cycle based on a deviation between a measurement value of the center wavelength and the target value.

Abstract: Methods, apparatuses, devices, and substrates are described. Multiple layers of a substrate may be bonded using a laser beam that is rotating about an axis and while the substrate is laterally translated with respect to the laser beam. Further, a direction of the laser beam may be modified such that the laser beam is incident on a surface of a layer of the substrate at an acute angle with respect to the surface. In such cases, the respective layers of the substrate may be bonded by irradiating the surface with the rotating laser beam, thereby resulting in spiral-shaped bonding lines between the layers. The layers may be bonded when one of the layers is coupled with an element (e.g., a blocking element), and the acute angle of the laser beam may enable irradiation an area that is below the element while leaving the element unaffected by the laser beam.

Abstract: A laser processing machine to perform laser processing by focusing a laser beam onto a workpiece, includes a light-focusing optical system to focus the laser beam, wherein the light-focusing optical system has an aberration, and a lateral aberration with respect to a laser beam diameter:D86.5 containing 86.5% of the laser power of a laser beam before being focused is 0.2 mm or more, the lateral aberration being at a light focusing point relative to a light beam corresponding to the laser beam diameter:D86.5.

Abstract: A rotary laser engraving device for retaining and rotating an object for engraving includes a frame, a first support assembly and a second support assembly mounted on the frame. To support the object the first support assembly includes a set of driven rollers and the second support assembly includes a set of free rollers, each being diagonally offset from the frame. The second support assembly is configured to slidably move on the frame to vary a longitudinal separation between the driven rollers and the free rollers. The second support assembly further includes a vertical adjustment assembly configured to move the free rollers vertically to vary a vertical separation between the driven rollers and the free rollers. In some aspects, the first support assembly also includes a fixed vertical adjustment assembly configured to move the driven rollers vertically to vary a vertical separation between the driven rollers and the free rollers.

Abstract: The present invention relates to an improved cutting device and an improved cutting method, specifically for processing and cutting sheets of stiff material, such as cardboard and others, in which the sheets are supplied and moved in a stable way along a first direction, and a laser cutting unit (or at least the resulting laser beams) is moved along a second, substantially perpendicular direction, in which by coordinating the two movements, a desired cut is executed in the sheets.

Abstract: A system for treating a target by laser shock in a regime of confinement in a liquid, the system includes a pulsed laser generating a beam having a pulse duration of between 1 ns and 30 ns and a wavelength, a concentrating optical device having a focal length and configured to concentrate the beam on the surface of the target, the incident laser beam on the concentrating device having a diameter, a tank filled with the liquid having a refractive index n, a desired value of the diameter of the beam on a surface of the target being predetermined and named Dst, a thickness of liquid passed through by the beam before reaching the surface of the target being chosen such that a laser intensity on the surface of the liquid (Isl) is less than or equal to a laser intensity on the surface of the target (Ist) divided by 2.

Abstract: A method for producing bipolar plates for production of fuel cells includes uncoiling a first sheet metal foil from a first sheet metal foil coil, and uncoiling a second sheet metal foil from a second sheet metal foil coil, forming the first sheet metal foil and the second sheet metal foil, allocating the first sheet metal foil and the second sheet metal foil based on formed structures of the first sheet metal foil and the second sheet metal foil, and laser welding the first sheet metal foil and the second sheet metal foil transversely to a feed direction of the first sheet metal foil and the second sheet metal foil in a first joining station. The first joining station mutually compresses the first sheet metal foil and the second sheet metal foil. The method further includes removing bipolar plates from the first sheet metal foil and second sheet metal foil.

Abstract: The present invention relates to a method for improving service life of mesoscopic gear manufactured by an additive manufacturing method. The outer diameter of the mesoscopic gear is characterized by range from 1 mm to 10 mm. The method according to the present invention provides introduction of compressive residual stress below the surface of the gear while the mesoscopic geometry remains the same. The second aspect of the present invention relates to the product manufactured by the method according to the present invention.

Abstract: A stress and texture morphology controlling method for preparing a super-hydrophobic surface of an aluminum alloy by laser etching includes the following steps: pretreating a surface of an aluminum alloy; fixing a pretreated aluminum alloy to an ultrasonic vibration platform, continuously charging flowing liquid nitrogen to a to-be-machined surface of the aluminum alloy, and controlling a flow of the liquid nitrogen to cool the to-be-machined surface of the aluminum alloy and keep the to-be-machined surface of the aluminum alloy at a low temperature; keeping stable flowing of the liquid nitrogen on the to-be-machined surface of the aluminum alloy after the to-be-machined surface of the aluminum alloy is cooled, using the ultrasonic vibration platform to generate a high-frequency ultrasonic vibration field, and etching the to-be-machined surface of the aluminum alloy to form a super-hydrophobic textured micro-nano structure surface; and reducing a surface energy of the super-hydrophobic textured micro-nano str

Abstract: A method for laser cutting display materials includes loading respective display materials from a tray, and a cutting dummy portions of the loaded display materials. The loading operation includes arranging a loader robot in the vicinity of the tray, aligning, at a first teaching point of the display materials, a laser pointer emitted from the loader robot, and picking up the display materials through at least one pickup pad of the loader robot.

Abstract: The present disclosure discloses a precision machining apparatus and method for machining controllable-hole-type multiple holes using an ultrafast laser, which is applied in the field of laser precision machining. The apparatus is composed of an ultrafast laser, a laser displacement sensor, a reflector, a focusing lens, a three-dimensional numerical control movement platform A, a three-dimensional numerical control movement platform B, a manual swing slide table, a numerical control rotatable table, a frock clamp, and a computer controller. The principle of this technical solution is that a laser beam is immobile, and a workpiece is driven by the numerical control rotatable table to rotate for drilling a hole. A diameter of the hole is mainly determined by a distance between an optical axis of the laser beam and a rotation axis of the numerical control rotatable table.

Abstract: A method for controlling an energy distribution introduced by at least one line focus of at least one laser beam in a substrate is performed by forming the line focus at least regionally in the substrate and influencing the laser beam with at least one phase mask to control the energy distribution in the substrate.

Abstract: A method for the preparation of steel sheets for fabricating a welded steel blank is provided. The method includes a step of removing at least part of the first and second metal alloy layers in first and second peripheral zones of pre-coated steel first and second sheets, respectively, by simultaneously ablating the first and second precoatings in the first and second peripheral zones of the pre-coated steel first and second sheets to define first and second ablation zones, the first and second peripheral zones being zones of the first and second principal faces closest to the median plane and located on either side of the median plane.

Abstract: Discussed is a welding quality inspection apparatus that can include a measurement unit including a first resistance measurement member to measure a first resistance value by directly contacting a first measurement point and a second resistance measurement member to measure a second resistance value by directly contacting a second measurement point; and a control unit to judge that a welding defect occurs and sorts a defective item when the first resistance value or the second resistance value obtained from the measurement unit exceeds a threshold resistance value. The first measurement point may be positioned on a first electrode terminal exposed to an outside of the secondary battery, and the second measurement point may be positioned on the welding portion of the first electrode current collector provided inside the secondary battery.

Abstract: A metallic part is disclosed. The part may comprise a functionally graded monolithic structure characterized by a variation between a first material composition of a first structural element and a second material composition of at least one of a second structural element. The first material composition may comprise an alpha-beta titanium alloy. The second material composition may comprise a beta titanium alloy.

Abstract: A part manipulator includes a robot arm movable in three-dimensional space between a pick station and a place station. The part manipulator includes an end effector coupled to a distal end of the robot arm. The end effector includes a rotation platform rotatable between a first position and a second position. The end effector includes a part gripper coupled to the rotation platform movable between a releasing position and a holding position. The part gripper is configured to hold a part in the holding position. The part gripper is rotated by the rotation platform as the rotation platform is rotated from the first position to the second position to move the part from a picking orientation to a placing orientation. The end effector picks up the part in the picking orientation at the pick station. The end effector releases the part in the placing orientation at the place station.

Abstract: A control unit is configured to performs a first control of controlling a movement unit so that a fitted part of a screw member and a fitting part of a rotating body are axially aligned with each other; a second control of controlling the movement unit to press the fitting part against the fitted part; a third control of, while maintaining a state in which the fitting part is pressed against the fitted part, controlling a rotation-driving unit to rotate the rotating body to a first rotation direction side by a first predetermined angle; a fourth control of, while maintaining the state in which the fitting part is pressed against the fitted part, controlling the rotation-driving unit to rotate the rotating body to a second rotation direction side by a second predetermined angle, which is smaller than the first predetermined angle, the fourth control performed after the third control.

Abstract: A cylinder block fixture for securing a workpiece is disclosed. The cylinder block fixture includes a base and clamping members. The clamping members are positioned apart at a distance facing each other on the base. Each of the clamping members includes a support plate at one end and a hand wheel at another end. Each of the support plates comprises a shaft, support bars, and support rods facing the opposite clamping member. The support rods extend from the support bars. The shafts at the support plates receive a camshaft housing of a workpiece. The workpiece includes a cylinder block. The support rods secure the workpiece. The hand wheel rotates and causes the workpiece to rotate. The workpiece rotates to align and take reference from a main bore or a pan rail surface of the workpiece to perform machining operations on the workpiece.

Abstract: A machining device is provided. The machining device includes a trunnion table adapted to hold a workpiece and arranged to pivot around a pivot axis using a pivoting motor. The pivot axis is parallel to a horizontal plane. A spindle is adapted to hold a cutting tool directed upwards and arranged to be moved in a plane parallel to the horizontal plane by a spindle transporting device. A trunnion table transporting device is adapted to vertically transport the trunnion table towards and away from the cutting tool, such that in a cutting state, chips cut from the workpiece are removed from the workpiece by gravity.

Abstract: The invention relates to a loading system (LS) for an optical machine, that has a carrier (TR), which can be moved in a movement plane (x-y) by way of two linear guide units (LF1, LF2). At least one holder (H1, H2, H3) for a workpiece, block piece and/or tool is mounted on the carrier, which holder can be moved in a transverse direction (z), which is perpendicular to the movement plane. The linear guide units are designed and arranged in the manner of an H gantry or cross gantry, with two stationary drive motors (AM1, AM2) for driving a tension element (ZG) in the same direction or in opposite directions, which tension element is movably arranged on the linear guide units in an H shape or cross shape and is fastened to the carrier.

Abstract: Provided is an indexing processing machine, including: an index table having a rotation center, a workpiece being attachable to the index table at multiple index positions; and one or more processing machines selected from the group of a front processing machine, a top processing machine, and a side processing machine, the one or more processing machines disposed at least two of the multiple index positions.

Abstract: A processing system includes a cutting tool, a sensor attached to the cutting tool, an analog-to-digital (AD) converter configured to perform sampling on an analog signal output from the sensor to generate a digital signal, and a processing unit. The processing unit is configured to, based on a rotation rate [rpm] of a rotor; an upper-limit period that is an upper-limit value of a process period; and an upper-limit pitch that is an upper-limit value of an angle pitch [degree], determine the process period and a sampling frequency with which the AD converter performs sampling such that a set value of the angle pitch is equal to the upper-limit pitch or less in a time period taken by the rotor to rotate N times with the process period that is equal to the upper-limit period or shorter.

Abstract: Embodiments relate to a surface processing device that may be used to surface process concrete or other hard suitable surfaces. A surface processing device comprises a plate, a bearing, and a plurality of bush heads. The plate has a top and bottom. The bearing can be attached to the top of the plate to facilitate rotation of the plate. The plurality of bush heads can be attached to the bottom of the plate. Each bush head comprises a bracket and a grinding wheel.

Abstract: A method of polishing a surface of an optical lens intended to be mounted in a spectacle frame includes: obtaining edging contour data representative of the edging contour of the optical lens so as to be mounted in the spectacle frame; and determining polishing tool trajectory data corresponding to the trajectory of a polishing tool so as to polish the surface of the optical lens only within the edging contour; providing the polishing tool trajectory data to a CNC machine carrying a polishing tool; and polishing, via the polishing tool, the surface of the optical lens based on the polishing tool trajectory data.

Abstract: The method is for profiling blades with a belt grinding profiling machine. The blades are mounted into a vise. A vertical position of the template is adjusted by rotating the rotatable knob. The motor is turned on to rotate the grinding belt over the grinding wheel. The guide wheel engages the underside profile of the template. The guide wheel of the template guides movement of the grinding wheel mounted on the common axle by moving the guide wheel along the underside profile of the template. The grinding belt grinds material off the underside of the blade until a portion of the underside profile of the template is copied to the underside of the blade.

Abstract: A honing strip for use in a honing tool for machining an inner surface of a bore includes a cutting layer carrier that carries, on an outer side, a cutting layer including cutting grains bound within a bond and an abrasive working surface that engages on the inner surface of the bore, wherein the honing strip defines a longitudinal direction (L) to be oriented parallel to a bore axis and the working surface extends in a width direction (B), perpendicular to the longitu-dinal direction, between a first side surface and a second side surface of the cutting layer, and the working surface has a generally convex macroscopic form with at least two macroscopically planar facets of different orientation which transition, along edges running in the longitudinal direction, to an adjacent facet or a side surface.

Abstract: A chemical mechanical polishing apparatus has a heating system, a purge gas source, a purge liquid source, and a controller. The heating system includes a source of heated gas, an arm extending over a platen, and a manifold in the arm with an a plurality of openings positioned over the platen and separated from a polishing pad for delivering the heated gas onto the polishing pad. The controller is configured to cause the heated gas to flow from the source of heated gas through the manifold and the plurality of openings to heat the polishing pad during a polishing operation, and to cause the apparatus to perform a purging operation which alternates between flowing purge gas from the purge gas source and flowing purge liquid from the purge liquid source through the manifold and the plurality of openings.

Abstract: Methods and apparatuses for dispensing polishing fluids onto a polishing pad within a chemical mechanical polishing (CMP) system are disclosed herein. In particular, embodiments herein relate to a CMP apparatus for processing a substrate including a pad disposed on a platen. The pad has a pad radius and a central axis from which the pad radius extends. The apparatus also include a carrier assembly configured to be disposed on a surface of the pad and having a carrier radius that extends from a rotational axis of the carrier assembly and a fluid delivery assembly comprising one or more nozzles, each nozzle coupled to a fast actuating valve.

Abstract: The present application provides a grinding disc and a substrate cleaning device. The grinding disc includes a thickness self-adaptive layer and a base layer and a grinding plate fixed on two opposite surfaces of the thickness self-adaptive layer respectively. The base layer is connected to the grinding head. The grinding plate contacts a product to grind and clean the product. The thickness self-adaptive layer can deform based on a pressure applied by the grinding disc to the product to be cleaned such that the grinding disc completely contacts a surface of the product to be cleaned to make a cleaning area of the grinding disc achieve 100%, which can improve a cleaning rate of the product.

Abstract: A polishing pad for polishing a silicon carbide substrate contains polyurethane and abrasive grains fixed by the polyurethane, and has a loss tangent (tan ?) represented by loss modulus (E?)/storage modulus (E?) of 0.1 to 0.35 at 30° C. and a glass transition temperature of 40° C. to 65° C. Also, a polishing method for polishing the silicon carbide substrate includes a holding step of holding a workpiece having the silicon carbide substrate by a chuck table and a polishing step of polishing the silicon carbide substrate by the polishing pad.

Abstract: A carrier head for chemical mechanical polishing includes a base assembly and a membrane assembly connected to the base assembly. The membrane assembly includes a membrane support, an inner membrane secured to the membrane support, wherein the inner membrane forms a plurality of individually pressurizable inner chambers between an upper surface of the membrane and the membrane support, and an outer membrane secured to the membrane support and extending below the inner membrane, the outer membrane having an inner surface and an outer surface, wherein the outer membrane defines a lower pressurizable chamber between the inner surface of the outer membrane and a lower surface of the inner membrane, wherein the inner surface is positioned for contact by a lower surface of the inner membrane upon pressurization of one or more of the plurality of chambers, and wherein the outer surface is configured to contact a substrate.

Abstract: A workpiece grinding method includes a rotary-shaft direction grinding step of grinding a back surface of a workpiece by relatively moving a grinding wheel and a chuck table holding a front surface of the workpiece toward each other along an axis of a rotary shaft of the chuck table, the grinding wheel including a plurality of grinding stones that have outer peripheral surfaces defining a circle of a diameter not greater than a radius of the workpiece, and a radially directed grinding step of grinding the back surface of the workpiece by relatively moving the grinding wheel and the chuck table in a radial direction of the chuck table. The radially directed grinding step includes one of or both an inwardly directed grinding step of relatively moving the grinding wheel and the chuck table, and an outwardly directed grinding step of relatively moving the grinding wheel and the chuck table.

Abstract: Provided are an inorganic member and a method for manufacturing an inorganic member. The inorganic member is configured so that a fine irregularities can be formed on the surface thereof with a simple procedure, and by controlling the shape of the irregularities, realize excellent durability and low wettability with respect to water without forming (depositing) an organic fluorine-based coating film. At least a part of a main surface (surface), in which a skewness of the fine irregularities is ?0.1 or less. The fine irregularities are formed by performing the wet blast treatment.

Abstract: Systems and methods for producing a blasting medium from a slag and using the blasting medium. A slag produced during steel making processes is poured at a high temperature. The poured slag is then further processed to produce the blast medium. The blasting medium is used to clean a surface via blasting.

Abstract: Various embodiments disclosed relate to an abrasive article. The abrasive article includes a nonwoven web. The nonwoven web includes a first irregular major surface and an opposite second irregular major surface. The nonwoven web further includes a fiber component comprising staple fibers having a linear density ranging from about 50 denier to about 2000 denier and a crimp index value ranging from about 15% to about 60%. The nonwoven web further includes a binder dispensed on the fiber component and abrasive particles dispersed throughout the nonwoven web.

Abstract: A screw assembly (1) for a clamping device (4) comprises: a screw (2; 2?) with a thread (20) having a thread axis (A) and a handle (3; 3?) having a thread section (311) constituting a nut, wherein the screw (2; 2?) and the handle (3; 3?) are fixed together as a screw-nut assembly, wherein at least one of the thread section (311) of the handle (3; 3?) and the thread (20) of the screw (2; 2?) is formed at least partially with a geometry varying along the thread axis (A) such that the screw (2, 2?) and the handle (3, 3?) are engaged by helicoidal wedging.

Abstract: Dual-mode adjustable pliers include a first handle member including a first handle and a first jaw and a second handle member including a second handle and a second jaw. The pliers may also include a channel disposed in the first handle member and an adjustable pivot affixed to the second handle member and disposed within the channel. The pliers may also include a movable mode selector member. In an engaged position, the mode selector member is engaged with both the first handle member and the second handle member, and, as the second handle is moved towards the first handle, the adjustable pivot moves within the channel. In a disengaged position, the mode selector member is not engaged with both the first handle member and the second handle member, and, as the second handle is moved towards the first handle, the adjustable pivot maintains a position within the channel.

Abstract: A socket is portably and removably attached to a tool and includes a body with a mounting hole which includes multiple faces. Each face includes a first protrusion and two groups of second protrusions located on two sides of the first protrusion. The first protrusion of each face includes a first flat distal surface which has a certain length. Each second protrusion includes a second flat distal surface which is tilt relative to the first flat distal surface. The two respective slopes of the second flat distal surfaces of the two groups of the second protrusions are opposite to each other. A first imaginary plane is co-linear with the first flat distal surface. A second imaginary plane is co-linear with the second flat distal surfaces of each second protrusion. An angle is formed between the first and second imaginary planes. The socket can drive a normal or rounded bolt.

Abstract: A power ratchet wrench head has a gear set, a crank set, and a ratchet set. The crank set is connected to the gear set and has an outer casing and a crankshaft. The ratchet set is connected to the crank set and has a ratchet yoke, a transmission shaft, and a control knob. The transmission shaft engages with the ratchet yoke and has a pushing rod, an elastic element, a ratchet pawl, and two fixing pins. The pushing rod is disposed in the transmission shaft. The elastic element is disposed in the transmission shaft and abuts against the pushing rod. The ratchet pawl engages with the ratchet yoke and abuts against the pushing rod. The control knob is rotatably connected to the transmission shaft.

Abstract: An adapter and method of use for releasably mounting an L-shaped Allen wrench key in a chuck of a rotary tool. The adapter includes a mount for releasably mounting the adapter on the chuck of the rotary tool. The adapter includes a base from which a center shaft projects upward. The center shaft is axially aligned with the longitudinal axis of the mount and has a recess for releasably receiving a long leg of the L-shaped Allen wrench key so that the central longitudinal axis of the long leg is coincident with the rotation axis of the chuck, and with short leg of the L-shaped Allen wrench key being located within a radially extending channel in the base of the adapter.

Abstract: A clip fastener guide is provided including an upward opening funnel, a barrel and a guide base. The guide base can include a handle including a grasping surface configured so a user can grasp and manipulate the guide, and can define a guide recess disposed below the elongated barrel. A clip can include a clip base, a clip wall extending upward from the clip base, and a clip arm that extends from the clip wall over the clip base. The clip base can be disposed in the guide recess, and can define a fastener hole, the fastener hole aligned with the elongated barrel. The handle can be graspable by a user to impair rotation of the clip as the clip is installed relative to a workpiece. Related methods of use are provided.

Abstract: The present invention is a novel backflow meter “Seatdriver” apparatus which is much like a screwdriver. Its novel direct connection of the “Seat Head” slot, “Driver Shaft” and the “Driver Handle” work together creating one apparatus known as the “Seatdriver” allowing for easy installation and removal of backflow valve seats. This apparatus functions as a two in one device providing a check valve seat connector on one end and a relief valve seat connector on the other end. The “Seatdriver” channels on the handle matches the seat part profile which reduces the “Camming Out” effect which in turn increases the hand torque force, increases thread alignments, and holds the valve part in place during the replacement.

Abstract: The present disclosure provides various embodiments of a fastener-driving tool that includes a battery-charged supercapacitor as a power source. The fastener-driving tool includes first and second spaced-apart, conductive rails and a partially conductive piston slidably mounted on the rails. The rails and the piston are electrically connected to one another. The supercapacitor is electrically connected to the first rail. When the supercapacitor discharges electrical current, the electrical current flows from the supercapacitor, into the first rail, through the piston into the second rail, and from the second rail. The electrical current induces magnetic fields in the rails and the piston, and the combination of the electrical current and the magnetic fields induce a Lorentz force that acts on the piston to move the piston toward a nosepiece to drive a fastener.

Abstract: A combustion-powered fastener-driving tool that include a chamber member retainer assembly configured to enable the controller of the tool to prevent the chamber member of the tool from moving to an open unsealed position and to ensure the tool's combustion chamber remains sealed until the piston fully returns to its pre-firing position.

Abstract: A tool, such as a hammer, including a surface to strike objects, such as nails, and a mechanism to facilitate the removal of objects, such as staples that have been inserted into wood. In one embodiment the mechanism includes a recess in the hammerhead body and a projection that extends above the recess.

Abstract: A percussion tool includes a housing having a top end, a bottom end, a front end, and a rear end. The housing defines a barrel portion, a handle portion opposite the barrel portion, and a motor housing portion between the barrel portion and the handle portion. The percussion tool also includes an electric motor positioned within the motor housing portion and a percussion mechanism driven by the motor and including a striker supported for reciprocation in the housing. The striker defines a striker axis in a reciprocating direction. The percussion tool further includes a battery receptacle supported by the housing and a battery pack removably coupled to the battery receptacle for providing power to the motor. The battery pack and the battery receptacle define a battery axis extending longitudinally through the battery pack and battery receptacle. The striker axis and the battery axis are parallel.

Abstract: A handle for a power tool, wherein the handle has a switch-on lock and an operating switch. The handle is characterized in that the switch-on lock is configured to prevent contact between a spring element of the operating switch and an electronic switching element in a blocking position of the switch-on lock and to permit same in an operating position of the switch-on lock. In a second aspect, the invention relates to a power tool having a handle. In further aspects, the invention relates to methods for switching on a power tool and for switching off and locking a power tool, wherein contact between the operating switch and an electronic switching element can be prevented in a blocking position and permitted in an operating position.

Abstract: A trigger assembly for a power tool includes a housing, a moveable plunger extending from a surface of the housing, the movable plunger includes a first end disposed externally from the housing and a second end disposed internally within the housing. The trigger assembly further includes a trigger shoe coupled to the first end of the moveable plunger, and an arm including a first side that is moveably connected to the second end of the moveably plunger and a second side that is coupled to a magnet. The trigger assembly also includes a sensor configured to sense a magnetic field of the magnet. Movement of the trigger shoe rotates the magnet, and alters the magnetic field sensed by the sensor.