Abstract: A coring tool for coring doors is provided. The coring tool may include a tool body having a first end and an opposing second end and a clamp member coupled to the tool body adjacent the second end. The tool body and the clamp member are moveable toward and away from each other in response to operation of a clamp actuator. The coring tool may also include a head having guide bushings for inserting a bit through the guide bushings for coring a door. The head may be coupled adjacent the first end of the tool body and the head may be movable toward and away from the tool body to align the guide bushing with the door to be cored.

Abstract: A handle assembly to receive a collet of a tap assembly or a die includes a body defining a non-circular aperture and an axis of rotation that extends through the non-circular aperture. The non-circular aperture is configured to receive the collet of the tap assembly or the die. The handle assembly also includes a grip extending radially from the body and a retainer disposed in the body. The retainer includes an engagement member and a biasing member that biases the engagement member toward the axis of rotation. The retainer is configured to releasably secure the collet of the tap assembly or the die within the non-circular aperture.

Abstract: A method for producing a workpiece threaded hole by a tapping tool, with a drilling stroke, in which the rotating tapping tool is driven into the workpiece in a drilling direction to a nominal drilling depth, and so forming a thread-free pilot hole, and with a tap-ping stroke in which the tapping tool produces an internal thread in the pilot hole with a tapping feed rate and a tapping speed synchronized therewith. The drilling stroke is followed by a reversing stroke in which the tapping tool is guided out of the pilot hole in a reversing direction opposite to the drilling direction. The tapping tool is then radially displaced by a radial offset in an offset stroke. Then, in the tapping stroke, the radially controlled, rotating tapping tool is guided in a circular rotary motion along a circular path around the hole axis.

Abstract: A chamfering tool includes: a movable flange having a cylindrical shape so that one end portion of a joint member is inserted in the movable flange; a second spring member configured to energize the movable flange by one end portion of the second spring member; a spring receiver to which the other end portion of the second spring member abuts; a fixed flange fixed to the other end portion of the joint member; and a chamfering member fixed to the other end portion of the joint member, wherein the fixed flange and the movable flange have abutting surfaces formed by a flat surface, and an axial center of the chamfering member substantially coincides with an axial center of the shaft member when the abutting surfaces abut on each other.

Abstract: A drilling tool includes a drive assembly with a shank that is configured to couple to a power tool and a step drill bit. The step drill bit includes a body having a proximal end adjacent the shank, a distal end opposite the proximal end, and a bit axis extending centrally through the body between the proximal end and the distal end. The body is defined by a wall extending around the bit axis to define a hollow interior cavity of the body. The step drill bit also includes a plurality of axially stacked, progressively sized steps with a first step at the proximal end and a terminal step at the distal end and a flute extending from the proximal end to the distal end. The flute defines a cutting edge.

Abstract: A method is provided for modifying a via from a PCB including a plurality of subassemblies comprising a plurality of layers. The method may include drilling a via of the PCB to form a through-hole to remove an unwanted material in the via of the PCB. The method may also include depositing a carbon-based material over an inner wall of the through-hole. The method may further include back drilling a first portion of the through-hole by a drill from the top of the PCB to form a first blind via. The method may also include selectively plating a conductive material over the carbon-based material to form a plated through-hole.

Abstract: A drilling attachment device for particle collection. The device has a bell-shaped housing designed to be attached to the front of an electric drill. The housing is transparent and is releasably attached to the torque collar of an electric drill using a clamp and thumbscrew. The device is used to collect and contain dust and debris while drilling into various materials providing both safety and convenience benefits.

Abstract: A substrate processing apparatus includes a lower plate in a chamber, an electrostatic chuck on the lower plate, the electrostatic chuck including a first step surface, an intermediate ring disposed on the first step surface of the electrostatic chuck, a lower ring surrounding a portion of the intermediate ring and an outer sidewall of the electrostatic chuck on the lower plate, an upper ring covering an upper portion of the intermediate ring, a screw extending through the electrostatic chuck into the lower plate, and a socket connected to each of the screw and the intermediate ring. Each of the screw, the socket and the intermediate ring includes a conductor.

Abstract: A support device (10) is illustrated comprising a body (14) defining a recess (22a) in its underside, a connector (24) to which a vacuum device can be connected, the connector (24) and recess (22a) communicating with one another so that the vacuum device can extract air from the recess (22a), the body (14) further defining a passage (22b, 26) through which a drill bit (12) can extend, in use, at least part of the periphery of the passage (22b, 26) serving to support the drill bit (12), in use.

Abstract: A quick connect is disclosed for a medical device. The quick connect includes a housing, a slide lock mounted within the housing, and a locking assembly mounted within the housing. The slide lock is for receiving a cooperating connection adapter. The locking assembly includes a substantially annular member having a superiorly facing sloped recess. The substantially annular member is movable along a longitudinal axis of the housing upon rotation of the substantially annular member.

Abstract: A die head for cutting threads in a pipe. The die head includes a drive portion, a die retention portion, a cap, and a plurality of windows. The drive portion has a plurality of recesses configured to receive torque from a pipe threading machine. The die retention portion includes a plurality of die posts. Each die post is configured to receive a die having teeth for cutting the threads in the pipe. The cap is coupled to the die retention portion. Each window is defined between each pair of adjacent die posts and the cap. An end of each die adjacent the cap is visible through a corresponding window of the plurality of windows such that all of the teeth of the die are visible through the corresponding window.

Abstract: A cutting tool part includes a cutting portion. The cutting tool part further includes a plurality of guide pads projecting radially outwards from the cutting portion. At least the cutting portion and the plurality of guide pads are made through additive manufacturing, the plurality of guide pads being integrally formed with the cutting portion in a unitary one-piece construction. A rotary cutting tool is provided having a cutting insert releasably attached to the cutting tool part.

Abstract: A two-hole core drilling machine of the invention includes a body, a vertically reciprocating carriage vertically reciprocably mounted to the body, a fixing plate coupled to one side surface of the carriage, to rotatably support a drive shaft of a motor, a pivoting plate fastened to the fixing plate under a condition that a pivot angle of the pivoting plate is changed, a moving plate fastened to the pivoting plate under a condition that a length of the moving plate from the pivoting plate is varied, a belt or chain mounted between a drive pulley coupled to the drive shaft and a driven pulley coupled to a driven shaft rotatably mounted to the moving plate, a first core bit coupled to the drive shaft, and a second core bit coupled to the driven shaft.

Abstract: A drill includes a flank face, a rake face, and a main cutting edge on a ridgeline between the rake face and the flank face. The main cutting edge has a first curved portion having a curved shape contiguous with the flank face and a second curved portion having a curved shape contiguous with the rake face in a sectional view orthogonal to an extending direction of the main cutting edge. A first curvature radius of the first curved portion is larger than a second curvature radius of the second curved portion.

Abstract: Provided is a body capable of suppressing the bending of the body during machining. A body includes: a first attachment part serving as a portion that is provided on a leading end side and has a cutting edge mounted thereon; and a second attachment part serving as a portion that is provided at a position different from a position of the first attachment part along a circumferential direction and has a guide pad attached thereto on the leading end side. One discharging groove that extends from the leading end side to a base end side and is used to guide and discharge a fluid to the base end side is formed on an outer peripheral surface of the body, and at least a part of the discharging groove is bent.

Abstract: A chuck is provided for use with a powered driver having a rotatable drive shaft. The chuck includes a plurality of jaws movably disposed in passageways of a cylindrical body, a nut rotatably mounted about the body and in communication with the jaws such that rotation of the nut in a closing direction moves the jaws toward each other and rotation of the nut in an opening direction moves the jaws away from each other, and a sleeve rotatably mounted about the body. The sleeve is in communication with the nut such that rotation of the sleeve rotationally drives the nut. The chuck also including a biasing element disposed between the nut an at least a portion of the sleeve configured to bias the sleeve toward a neutral position. The biasing element limits an inertial force of the sleeve applied to the nut during operation of the powered driver.

Abstract: A four-hole core drilling machine of the invention includes a vertically reciprocating carriage mounted to a body, a motor coupled to the carriage, a fixing plate coupled to the carriage, to rotatably support a drive shaft of the motor, a pivoting plate fastened to the fixing plate under the condition that a pivot angle of the pivoting plate is changed, a drive pulley coupled to the drive shaft, to be rotatable by the drive shaft, four driven pulleys rotatably mounted to the pivoting plate near corners of the pivoting plate, four driven shafts rotatably mounted to the pivoting plate and coupled to the four driven pulleys, to be rotatable by the driven pulleys, a belt mounted around the drive pulley and the driven pulleys, to transmit rotation force of the drive pulley to the driven pulleys, and four core bits coupled to lower ends of the driven shafts.

Abstract: A hole cutter has a cylindrical blade body including a cutting edge and one or more axially-elongated apertures formed within a side wall of the blade body. The axially-elongated aperture is configured to receive a lever, such as a screwdriver, therethrough. Each axially-elongated aperture includes a first fulcrum axially spaced adjacent to the cutting edge, a second fulcrum axially spaced further away from the cutting edge than the first fulcrum, and optionally a third fulcrum axially spaced between the first and second fulcrums. A lever, such as a screwdriver, can be inserted into the aperture and placed against each of the fulcrums to lever slugs out of the interior of the blade body.

Abstract: Power drive tools are described. The tools include one or more threading pawls, one or more release pawls, and a drive ring selectively positionable relative to the tool and engaged with the pawls to selectively extend or retract the pawls. Also described are tools that include one or more lights to illuminate a workpiece. Also described are tools having distally located shoulder regions at which force may readily be applied. In addition, gear train assemblies for use in the power drive tools are described.

Abstract: A device is for an axial displacement of a hole saw for a hand-held drill, wherein the hole saw is coupled to the drill by a drive shaft, and the hole saw and an actuator are rotatably connected and positioned in a housing with a coupling for the drill. The actuator has an outer threaded portion which corresponds to an inner threaded portion in the housing so that the actuator and the hole saw are displaced axially along the drive shaft when the actuator rotates relative to the housing. The actuator is connected to the drive shaft via a slip clutch arranged to transfer and reduce a reduced torque from the drive shaft to the actuator.