Abstract: A method and system of aligning a probe to wells includes holding the probe at one potential and holding the wells at a different potential, moving the probe to an estimated center position above a selected well, lowering the probe into the selected target well, moving the probe in positive and negative directions along first and second axial dimensions until changes in potential are detected at the probe to indicate electrical contact between the probe and the selected well, and calculating a center location of the selected well along the first and second axial dimensions as mid-points between the points of contact for the respective axial dimensions. The method and system further include lowering the probe into contact with a floor of the selected well and calculating a center location along a third axial dimension as a predetermined distance above the position of the probe.

Abstract: A device for measuring a seal gap created between a moving part and a mounting part of a vehicle body includes a base member, a scale member and a retaining member. The scale member is mounted to the base member and is moveable between an extended position and a retracted measured position. An indicator is provided on the base member for reading the scale member. The retaining member is coupled to the base member and engages the scale member for retaining the scale member in both the extended and measured positions relative to the base member. The base member is installed in the seal gap and is removably connected to one of the vehicle body parts. The scale member is moved to the extended position. The moving part is then closed relative to the mounting part, and the other of the vehicle body parts engages the scale member and moves the scale member to the measured position. The indicator together with the scale member provides a dimension of the seal gap.

Abstract: A fixing member comprises a threaded end, one end face of which contains a recess capable of housing a tip, complementary in shape, said recess comprising a peripheral edge in the form of a multilobed continuous curved line. The cross-section of each lobe L is defined by a continuous series of three arcs of a circle, i.e. a first convex arc of a circle with a first radius (R1), on either side of which a second concave arc of a circle with a second radius (R2) are positioned. Each lobe is connected to the adjacent lobe via a third convex arc of a circle with a third radius (R3, R3u) larger than the first radius (R1). The invention also relates to a male element with a raised shape complementing that of the recess, in addition to a handling tool and a testing gauge comprising such a male element.

Abstract: A device for locating structural stud members beneath a surface such as a shingled roof. The device includes a support block for receiving a probe member, the probe member extending from the support block at a selected arc of curvature terminating at a point spaced apart from the support block. An indicator member is fixed to the support block, the indicator member extending from the support block parallel to the probe member and having an end coextensive with the termination point of the probe member such that the indicator member provides a user with the orientation and termination point of the probe member when the probe member is beneath the surface. In use, a hole created within the surface and the support block rotated on the surface until the probe member abuts an edge of a structural stud member.

Abstract: This gauge for mounting a screw in a cage nut or in a nut (23), with the aim of assembling at least two parts (13, 15), comprises a shank (37) with a smooth section (39) having graduations (47) and with a threaded end (41), which are similar to those of said screw. A sleeve (49) is slidably mounted on said smooth section (39). The axial length of said sleeve (49) and the distribution of said graduations (47) are such that, when the shank (37) of said gauge is screwed as far as it will go into said cage nut or into said nut (23) and when said sleeve (49) is pressed against one (13) of said two parts (13, 15), the graduation indicated by said sleeve (49) on said smooth section (39) is representative of the distance separating the thread (43) of said cage nut or said nut (23) from the outer surface of the part (13) situated facing away from this cage nut or said nut (23).

Abstract: An apparatus for measuring an inside diameter of hole of a workpeice comprises a main body, two probing legs, two pressure sensors, a controller unit, a display unit, and a step-motor. The two probing legs have a first end and a two second end. Two pressure sensors are respectively mounted on the second end and configured from generating a pressure signal in response to a reacting force applied thereon by an inner wall in the hole. The step-motor is configured for driving the two probing legs to rotate so as to enable the pressure sensors to about against the inner wall. The controller unit is configured for controlling the step driving the probing legs to rotate in response to the pressure signal and computing a rotation angle of each probing leg. The display unit is configured for display the inside diameter of a the hole.

Abstract: A system for indicating a depth of engagement of two threadably engaged surfaces of a support pedestal. The system includes at least a first thread protuberance disposed on a first threaded surface of the support pedestal and at least a second thread protuberance disposed on a second threaded surface of the support pedestal. The first thread protuberance impinges against the second thread protuberance when the first and second threaded surfaces are threadably engaged and rotated to provide sensory indication of a depth of engagement of the first and second threaded surfaces.

Abstract: A plug gauge (1) includes a support and protection frame with a handle (2) that defines a longitudinal axis and houses a position transducer (25) and electronic devices for wirelessly transmitting electrical signals indicative of a dimension to be checked. The gauge also comprises a probe (6) including a mechanical armset (7) provided with at least one movable feeler (10), and a transmission mechanism with a stem (17) transmitting movements of the feeler to the position transducer housed in the handle. The probe is connected to the handle by means of a quick coupling mechanism (5) with deformable locking portions (52), the radial arrangement of which is controlled by a clamping element (60).

Abstract: An inside diameter measuring tool includes: a main body; an axially moving spindle having a male screw to be screwed to the main body; a plurality of contact pieces provided on the main body, the measuring pieces moving in a direction substantially orthogonal to the axial direction of the spindle; and a conical member interposed between the contact pieces and the spindle, the conical member advancing and retracting the contact pieces in the direction substantially orthogonal to the axial direction of the spindle. The lead of the male screw of the spindle is 1.0 mm or more and the cone angle of the conical member is less than 53 degrees. Preferably, the lead of the male screw is 2.0 mm and the cone angle of the conical member is approximately 28 degrees.

Abstract: A device for measuring internal clearances includes a base having a base surface. A first leg in sliding engagement with the base includes a first leg surface and a first distal end. When the base surface abuts a component, a predetermined distance between the base surface and the first leg surface results in the first distal end being located in the clearance. A method for measuring a clearance includes inserting a leg of a device into a borehole and moving the device rearward until the device abuts the borehole. The method further includes withdrawing the leg from the borehole, extending the leg in the clearance, and measuring the distance that the leg was extended after being withdrawn.

Abstract: A plug gauge (1) includes a support and protection system that defines a longitudinal axis with a handle (2) closed by a cap (13) that includes electronic devices for the wireless transmission of electrical signals representative of a dimension to be checked, and a probe (6) including a measuring armset coupled with a transducer for generating electrical signals. The probe is connected to the cap of the handle by means of an interface element (8) that includes mechanical references to prevent rotations of the probe with respect to the handle about the longitudinal axis.

Abstract: The present invention relates to a method of examining an aperture diameter of a disk substrate having a circular aperture in the central portion thereof, the method including: attempting to pass a standard sphere for the aperture diameter through the aperture; and inspecting the aperture diameter of the disk substrate, based on whether the sphere passes through the aperture or not. Furthermore, the present invention relates to an examination apparatus thereof.

Abstract: A method of measuring an interior diameter of a bore with an expandible gauge having relatively movable first and second components and placing an adhesive on at least one of the first and the second components for adhesively bonding the first and the second components to one another. Inserting the expandible gauge into a tool hole in a bore bar and sliding the bore bar into the bore so that the tool hole is located within the bore. Allowing the expandible gauge to expand to a diameter of a bore to be measured and adhesively bond the first and the second components to one another. Removing the expandible gauge and determining the diameter of the bore by measuring a length of the expandible gauge.

Abstract: The concrete hole brush apparatus provides a tool and method for rapidly and effectively cleaning holes drilled in concrete. The holes must be clean of all debris and dust for an effective bond of anchors with the concrete. Brush sizes include ½ inch, ? inch, ¾ inch, ? inch, 1 inch, 1? inch, and 1¼ inch. The apparatus chucks into a variety of power drills, with the shaft size reduced to a chuck tip for best fit to those drills. The measurement indicia ensure that an operator penetrates to the entire hole depth to guarantee cleanliness. The concrete hole brush apparatus saves time in cleaning concrete holes and negates problems in concrete hole inspections by a concrete inspector.

Abstract: A device and method for measuring the interior dimensions of a glove is provided. The internal glove sizing device disclosed may be used for quickly and automatically measuring the interior dimensions of a glove during and/or after manufacturing so that quality control personnel and customers can verify glove compliance with certain specifications and to ensure quality control.

Abstract: Disclosed is a method and apparatus for measuring inside diameters of holes using a dial bore gage with a packaged digital transducer providing an amplified readable output to both dial indicator and digital display enabling wireless data transmission for recording its measured output.

Abstract: A method and apparatus for measuring hole parameters by using a probe signal have been disclosed.

Abstract: The internal diameter measurement device is inserted into a cavity to measure its internal diameter. The internal diameter measurement device includes: a tubular sheath inserted into the cavity; a balloon which is provided on a distal end portion of the sheath, and is capable of expanding by supplying a fluid to an inner portion thereof; a linear reference member having a first end portion fixed to the distending portion or the distal end portion of the insertion portion, and a second end portion moving towards the distal end of the insertion portion in conjunction with the expansion of the distending portion; and a measuring portion which is provided in a proximal end portion of the insertion portion and is capable of confirming the position of the second end portion of the reference member. This internal diameter measurement device enables accurate measurement irrespectively of dimensions of a pipeline to be measured.

Abstract: A measuring apparatus is provided for measuring a diameter of a hole. The measuring apparatus includes a sensor unit, a data processing unit, and a display unit. The sensor unit includes a probing member. The probing member includes a plurality of probes with contact ends being arranged on a circumference, and a plurality of angle sensors. The probes are capable of contacting the inner surface of the hole. The angle sensors are arranged on each of the probes to obtain digitally an angle value of each splaying probe contacting the inner surface of the hole. The data processing unit is configured for receiving the angle value generated by the sensor unit and computing the diameter of the hole according to the value of an angle. The display unit is configured for displaying the diameter computed by the data processing unit. A method is also provided for using the measuring apparatus.

Abstract: A depth checking device includes a body member, a pressing member, a checking member and an adjustment nut. The body member defines a stepped through hole forming a stopping surface inside. The pressing member includes a first end and an opposite second end. The first end includes a first end surface defining a first opening. The second end defines a second opening. The checking member is mounted in the stepped through hole and includes an indication end adjacent to the first end and a probe end. The indication end includes a second end surface. The adjustment nut is screwed on the checking member and supported by the stopping surface in a position where the first end surface is coplanar with the second end surface and the probe end protrudes from the body member with a protruding length of the probe end same as a designed depth of a fixing hole.

Abstract: An embodiment of a hole angularity gage includes a gage body and a contact disc positioned within the gage body. The contact disc includes a central opening defined by an inner edge. The gage also includes a center pin that extends through the central opening, and a hole probe adapted to rotate the center pin from a primary gage axis toward the contact disc's inner edge. The gage also includes an indicator adapted to activate when the center pin makes contact with the contact disc. Another embodiment of a hole angularity gage includes a hole probe and a circuit. The circuit includes an indicator and a switch, which is adapted to close when the hole probe is rotated by an angle greater than a gage setting angle. The indicator is adapted to activate when the switch is closed. Other embodiments include methods for using and manufacturing hole angularity gages.

Abstract: A method and apparatus for measuring the bore diameter of a hole as a function of hole depth is disclosed. In one embodiment, the apparatus comprises a diametric probe, for generating first measured bore diameter data along a diametric probe sensitive axis; a foot, for positioning the diametric probe sensitive axis in a plane parallel to the hole; a linear distance probe, coupled to the diametric probe, for generating first measured depth data describing the depth of the diametric probe sensitive axis within the hole; and a data acquisition system, for recording first measured bore diameter data from the diametric probe and first measured depth data from the linear distance probe of an insertion of the diametric probe into the hole.

Abstract: An inside diameter measuring tool includes: a main body; an axially moving spindle having a male screw to be screwed to the main body; a plurality of contact pieces provided on the main body, the measuring pieces moving in a direction substantially orthogonal to the axial direction of the spindle; and a conical member interposed between the contact pieces and the spindle, the conical member advancing and retracting the contact pieces in the direction substantially orthogonal to the axial direction of the spindle. The lead of the male screw of the spindle is 1.0 mm or more and the cone angle of the conical member is less than 53 degrees. Preferably, the lead of the male screw is 2.0 mm and the cone angle of the conical member is approximately 28 degrees.

Abstract: The present invention is a device for determination of the presence of an installation space behind a ceiling covering for a retrofit recessed lighting fixture by way of a small probe hole. Specifically, the invention device comprises an longitudinal rotation handle with a top end and a bottom end defining a handle axis. Extending from the top end along the handle axis lies a first section of a narrow probe rod. The height of the first section exceeds the height of a retrofit recessed lighting fixture to be installed by at least the thickness of a ceiling covering through which it will be installed. At the end of the first section extends a second section perpendicular to the first section, where the second section comprises an insertion end which is pointed so that it can be pressed through the ceiling covering material to probe the space behind it.

Abstract: An inspecting tool for inspecting whether inside dimensions of a server chassis is qualified or not is presented. The inspecting tool includes a rectangular frame and a handle attached to the fame. A width of the frame is equal to a minimum desirable value of an inside width of the server chassis, and a height of the frame is equal to a minimum desirable value of an inside height of the server chassis.

Abstract: A method of producing a calibrating body, gage or measuring device, preferably a screw-thread measuring device, at least partially including a C—SiC material constructed of a porous, carbon-containing material with infiltrated liquid Si, includes converting the Si at least partially to SiC by reaction with carbon. The C—SiC material is produced from a C—C material based on carbon felt material produced by pressing monofibers or fiber fragments irregularly entwined with each other. A calibrating body, gage or measuring device, preferably a screw-thread measuring device, is also provided.

Abstract: A testing apparatus for testing a depth of a server chassis includes a testing frame configured for being received and secured in the server chassis, a testing unit, a signal processing member and an indicating member. The test unit includes a testing pole telescopingly retained in a rear wall of the frame, a pair of first and second contacting members spaced apart with a distance in accordance with the desired depth range, and a trigger member secured to the testing pole and moving with the testing pole to contact with the first or second contacting members or neither of them. The signal processing member and the indicating member are mounted on the frame. The testing unit, the signal processing member and the indicating member are correspondingly electrically connected.

Abstract: A measuring apparatus is provided for measuring a diameter of a hole. The measuring apparatus includes a sensor unit, a data processing unit, and a display unit. The sensor unit includes a probing member. The probing member includes a plurality of probes with contact ends being arranged on a circumference, and a plurality of angle sensors. The probes are capable of contacting the inner surface of the hole. The angle sensors are arranged on each of the probes to obtain digitally an angle value of each splaying probe contacting the inner surface of the hole. The data processing unit is configured for receiving the angle value generated by the sensor unit and computing the diameter of the hole according to the value of an angle. The display unit is configured for displaying the diameter computed by the data processing unit. A method is also provided for using the measuring apparatus.

Abstract: Disclosed is a method and apparatus for measuring inside diameters of holes using a dial bore gage with a packaged digital transducer providing an amplified readable output to both dial indicator and digital display enabling wireless data transmission for recording its measured output.

Abstract: A gauge device for measuring the inner diameter of engine related bores comprising a circular body member having a circumferential surface with a cylindrical chamber totally encased therein along a longitudinal axis. A slide pin is housed within the cylindrical chamber which partially extends through upper and lower openings within the circumferential surface. A top flange extends radially from the upper portion of the body member and having a cylindrical dial mount affixed to the front. Disposed equidistance to each side of the top flange is a secondary flange extending radially from the front of the body member each embedded with a magnetic disk. A vertical slot positioned along the longitudinal axis provides the plunger stop means access to the slide pin. A dial indicator means is operatively connected within the dial mount and having a movable plunger extending downward and housed within a spring member which abuts the plunger stop means.

Abstract: The invention relates to an apparatus (10) for testing threads comprising a thread plug gauge (11) which can be screwed into a thread (2) tapped by a machine tool, and a connecting member (14) with which the apparatus (10) can be exchangeably arranged at a tool spindle (20) of the tool machine, and wherein a sliding clutch (12) is arranged between the thread plug gauge (11) and the connecting member (14). The invention relates furthermore to a method in which signals (100) from one or more signals transmitters which are related to screwing-in the thread plug gauge are acquired, in which a reference curve (210) of signals related to screwing the thread plug gauge into a reference thread is stored, and in which the reference curve (210) and/or a curve or magnitude derived therefrom is compared with the signals (100) and/or a curve or magnitude derived therefrom.

Abstract: A device (100), for the checking and measurement of the journal bearing clearance between the outer bearing on the rudder shaft (25) of a rudder for water-borne craft and the inner bearing (32) on the rudder trunk (20) corresponding with the outer bearing (31), is characterized by a measurement rail (70) made of a springy elastic material having internal stiffness, which can be introduced by means of a guide rail (60), provided with a grip-type handle (61), into the gap between the outer bearing and the inner bearing and hence into the clearance measurement region, with a measurement probe (80) located at its free end (70a) for the clearance width measurement, wherein the measurement rail (70) with the measurement probe (80) with a prescribed thickness (a) are exchanged for measurement rails with measurement probes with other thicknesses until the achievement of an agreement of the clearance width with the thickness of a measurement rail (70) with the measurement probe (80).

Abstract: Provided is a device for measuring depth of an elongate deep groove or hole in a small-size mold for use with a dial height gauge. The depth measuring device includes: a fixing portion; an upper head type touch pin; and a hammer-shaped main body having a first vertical hole through which the fixing portion is fitted and a second vertical hole through which the touch pin and the hollow cylindrical column are fitted. The depth measuring device can be conveniently assembled and disassembled, to thus enable a user to easily replace a damaged touch pin with a new one. Touch pins of various size that are fit for depth and width of grooves can be purchased at low cost. The depth measuring device enables a user to measure a desired physical quantity up to a 0.01 mm error range in accuracy as well as greatly contribute for a precision industry development. The depth measuring device provides an effect of greatly reducing labor power and cost for manufacturing molds.

Abstract: In one embodiment, an apparatus includes a projection having a tapered end portion configured to be inserted percutaneously through tissue. A measurement member is coupled to the projection and is configured to indicate a distance between adjacent anatomical structures. In another embodiment, an apparatus includes a measurement member configured to be percutaneously inserted between adjacent anatomical structures. The measurement member includes a wedge portion that is configured to contact the adjacent anatomical structures when the measurement member is moved distally between the adjacent anatomical structures. A size indicator is coupled to the wedge portion. The size indicator has a plurality of markings and is configured to be viewed on an image of the adjacent anatomical structures with the wedge portion of the measurement member disposed between the adjacent anatomical structures to indicate a distance between the adjacent anatomical structures.

Abstract: The present invention provides device for measuring a seal gap of a vehicle, which more conveniently and precisely measures the dimensions of a space between a moving part and a mounting part of a vehicle body, thus more precisely controlling the tolerance of a gap defined between the moving part and the mounting part. The device includes a plate member installed in a gap created between a moving part and a mounting part of a vehicle body; a gap sensor mounted to the plate member and configured to measure the dimensions of the seal gap; a transmitter outputting a value measured from the gap sensor; a receiver receiving a signal output from the transmitter; and operation processing equipment configured to process a value from the receiver and output the dimensions of the seal gap.

Abstract: An apparatus and a method for determining wear of a feedscrew and barrel combination includes a measuring aperture formed in a wall of the barrel, a gage plug releasably retained in the measuring aperture and having an inner end curved to correspond to a curvature of a surface of the central bore surrounding an inner end of the measuring aperture, and a retaining plug releasably retained in the measuring aperture for maintaining the gage plug in place. When the plugs are removed, the gage plug can be measured for barrel wear and a probe can be inserted into the measuring aperture for determining feedscrew wear. A test bar simulating feedscrew wear is used to calibrate the probe.

Abstract: A feature of a countersink in a hole, such as the diameter, is measured by a gauge having a self centering, spherically shaped probe which shifts laterally upon engagement with the countersink side walls to as to align itself with the central axis of the hole. The gauge includes an outer tube gripped by a user during the measurement, and an axially displaceable shaft within the tube that drives an indicator dial. The shaft is coupled with the probe by a flexible connector which transmits axial displacement of the probe to the shaft but allows slight lateral movement of the probe relative to the shaft, permitting the probe to become centered within the countersink.

Abstract: A spacer device for laser-optical measurement of hollow cylinders has at least two, preferably three arms which are coupled or interlaced with one another and which can be moved relative to one another. Each of the arms has a measurement roller on one end which is brought into contact with the inner surface of a hollow cylinder to be measured and which can be rolled thereon, if necessary. An instrument platform is attached to the spacer device so that a light emitter (e.g., laser) and/or receiver or reflector can be attached at the central position of the instrument platform. The device is used to determine the three-dimensional position of the hollow cylinder to be measured.

Abstract: A barrel measuring device for accurate measurement of all internal dimensions and barrel wall thickness of a gun, tube, pipe or cylinder is comprised of a fixed probe transversely attached to a cross member at a distal end. A second probe transversely attached to a body member proximate to the fixed probe, said body member and second probe slidaby moveable along the axis of the cross member. A measurement device attached to the body member and second probe for recording of the diameter proportional to the degree of expansion of the fixed and second probe within the barrel. A recoil means for expansion contained with the cross member and attached to the body member coupled with the second probe providing an expansion pressure between the probes for measurement with the measuring device.

Abstract: Provided is a device for measuring depth of an elongate deep groove or hole in a small-size mold for use with a dial height gauge. The depth measuring device includes: a fixing portion; an upper head type touch pin; and a hammer-shaped main body having a first vertical hole through which the fixing portion is fitted and a second vertical hole through which the touch pin and the hollow cylindrical column are fitted. The depth measuring device can be conveniently assembled and disassembled, to thus enable a user to easily replace a damaged touch pin with a new one. Touch pins of various size that are fit for depth and width of grooves can be purchased at low cost. The depth measuring device enables a user to measure a desired physical quantity up to a 0.01 mm error range in accuracy as well as greatly contribute for a precision industry development. The depth measuring device provides an effect of greatly reducing labor power and cost for manufacturing molds.

Abstract: The present invention provides devices and methods for indicating or gauging the position of one or more holes in a workpiece. In one aspect of the present invention reusable devices that can be removably engaged with a bore or tapped hole in a workpiece for accurately indicating the center axis of the bore or tapped hole are provided. An exemplary device in accordance with the present invention includes an expandable shank, indicating surface, and driving head. The driving head can be used to install the device into a hole in a workpiece. The expandable shank can be expanded to positively engage the device with the hole in the workpiece and the indicating surface can be referenced, with a probe, to determine the center axis of the hole in the workpiece.

Abstract: An apparatus for measuring the location and annular orientation of pipe inverts and other features in manholes. An elongate, telescoping rod is supported centrally in the manhole opening by a pivot assembly that permits the rod to both rotate in the horizontal plane and pivot in the vertical plane. A laterally-extending foot member on the lower end of the telescoping rod is inserted into the openings of the inverts for measurement. Electronic angle sensors record the length and orientation of the rod member at each measurement point, from which the location and angular orientation of the invert opening or other feature is then calculated.

Abstract: A probe (10) for a machine tool has a switch (32) or other sensor for connecting its battery power supply in response to movement of the probe. In a preferred embodiment, the switch responds to rotation of the probe in the machine tool spindle. The switch (32) is responsive to linear accelerations, but is mounted in the probe so as to respond also to the rotation. A circuit is provid to discriminate between the rotation and linear movements.

Abstract: a device for measuring dimensions in a hollow organ of the body, includes: a length of conduit; a measuring mechanism on one end of the conduit; and an indicator in connection with a second end of the conduit. The indicator is in operative connection with the measuring mechanism to provide an indication of a dimension measured by the measuring mechanism. In one embodiment, the measuring mechanism includes extending members that open and close in the manner of forceps to contact the walls of the organ.

Abstract: The present invention provides a tool that can be used to load catalyst into a chemical reactor. In a preferred embodiment, the tool may also be used to measure the outage in the reactor tube. Also in a preferred embodiment, the tool provides a way to prevent dust from accumulating on the upper tube sheet of the reactor while loading catalyst into the reactor tubes.

Abstract: A device for monitoring the tolerances of a workpiece has a measuring probe with two separate inductive coils arranged in a housing. A non-magnetizable sensing stylus designed to rest on a workpiece surface to be measured is arranged in the coils and has a deflector body that is a sleeve. The stylus and the deflector body are loaded into a measuring position. The housing has two essentially identical housing halves each having a plane surface with which the housing halves are connected to one another. The housing halves each have a recess and one of the inductive coils is inserted into one of the recesses, respectively. The opposed ends of the housing halves are provided with aligned bores that open into the recesses, respectively. The stylus is arranged coaxially in the inductive coils and has opposed stylus ends projecting through the bores outwardly from the two housing halves.

Abstract: A measuring device includes a receiver having a cavity with differing narrowing diameters from an opening. The receiver can be moved axially. A part is moved a predetermined fixed distance, including movement while engaging and moving the receiver. The distance moved by the receiver is sensed, and the acceptability of the dimension of the object is determined by evaluating the distance moved by the receiver.

Abstract: An electronic device includes a housing and a catheter having a proximal end seated within the housing and a distal end positioned to an exterior thereof. The catheter distal end has an arcuate shape, assisting the user to scan an internal plug cavity, and a cylindrical cross-section provided with a suitable diameter such that the catheter can be probed through a lock plug without contacting pin pairs. A mechanism is included for detecting a point where the pins come together and line up with a shear line. LEDs are coupled to the detecting mechanism and are illuminated when the catheter is displaced along the lower and upper pin pairs. A mechanism is included for automatically adjusting the catheter's position as the point of each of pin pair is detected. A mechanism is included for displaying numeric values on the housing that correspond to the points identified by the detecting mechanism.

Abstract: A tool for measuring seal slot position includes a tool shaft having a longitudinal axis, a pin eccentrically disposed at one end of the tool shaft relative to the longitudinal axis, and a disk member disposed at an opposite end of the tool shaft that facilitates rotation of the tool shaft and pin in the seal slot. The tool provides for increased accuracy in measuring seal slot position such as turbine nozzle seal slot position.

Abstract: A measuring device for obtaining inlet invert measurements, pipe invert measurements, and pipe diameter measurements includes an invert measuring rod having a plurality of rod segments, each a threaded bore at a first end and an axially extending threaded stud at a second end, a foot assembly comprising a guide rod removably connected to and extending perpendicularly from the bottom of the lower segment of the continuous rod, when connected having a free end opposite the connecting with the invert measuring rod with a bottom conical foot connected to and extending downwardly from the free end of the guide rod and parallel to the invert measuring rod, the bottom conical foot having an axial length the same as axial length of the conical rod tip, and extending from the free end of the guide rod parallel to the invert measuring rod and a diameter measuring sleeve, having a tubular portion positionable concentrically about the invert measuring rod and having an inner diameter just greater than the outer diameter