Abstract: An example of a concentric probe includes an outer shroud having a bore that extends through the outer shroud, an inner shroud located within the outer shroud and having a bore that extends through the inner shroud, the inner shroud joined to the outer shroud via brazing, an annulus defined by a space between the inner shroud and a wall of the bore of the outer shroud, a plenum defined by a space between the inner shroud and the wall of the bore of the outer shroud, the plenum being in fluid communication with the annulus, and a transducer disposed within inner shroud.

Abstract: A tool for measurement of a body is proposed. It includes a caliper furnished with a slider, a fixed finger, a moving finger, and accessories including a first clamp mounted on the fixed finger, a first measuring standard associated with the fixed finger, a fixed leg having a first measuring face and a head securing the first measuring standard, a second clamp mounted on the moving finger, a second measuring standard associated with the moving finger, a moving leg having a second measuring face and a head securing the second measuring standard therein. The first measuring face is disposed to contact a first point of the body and, moving the slider, the second measuring face is disposed to contact a second point of the body, providing for measuring a length between the points, generally being greater than the caliper's length. The tool may additionally have intermediate measuring standards.

Abstract: A layout tool for scribing an arc includes an arm, a variable location pivot point arrangement on the arm, and a plurality of mark openings spaced from the pivot point arrangement. A position fixing member, such as a nail, is engaged with the pivot point arrangement to fix the position of the tool on a workpiece at a pivot point defined by the position fixing member. A marking instrument is engaged within one of the mark openings, and the tool is pivoted on the workpiece about the pivot point to make an arcuate mark on the workpiece at a radius defined by the location of the position fixing member relative to the mark opening within which the marking instrument is engaged. The tool may be a square, which is configured with two arms that extend away from each other at a predetermined angle.

Abstract: A tape measuring device includes a housing having a first case half, a second case half, and an aperture. The device also includes a reel assembly disposed in the housing, a tape having a first end operably coupled to an end hook and configured to extend from the housing through the aperture and having a second end configured to be wound on the reel assembly, and a retraction assembly configured to interface with the reel assembly to enable the tape, after extension from the housing, to be wound onto the reel assembly. The first case half includes a first metallic case plate operably coupled thereto without a fastener, and the second case half includes a second metallic case plate operably coupled thereto without a fastener. The first and second case halves may be operably coupled together via one or more fasteners operably coupling the first metallic case plate to the second metallic case plate.

Abstract: A panel marking device for marking angular cut lines on panels includes a plate, which has a straight end. An L-bracket is engaged to and extends along the straight end. Cutouts in the L-bracket distal define teeth, which engage an edge of a panel so that the plate is prevented from sliding along the edge. A dial comprising a pointer is rotationally engaged to an upper face of the plate. A fastener is engaged to the dial and is opposingly positioned on a circumference of the dial relative to the pointer. Indicia are positioned on the plate, with each indicium corresponding to a respective angle of an imaginary line, which extend from a string line engaged to the fastener through the pointer, relative to the edge of the panel. The string line can be snapped to place a linear mark on the panel that matches the respective angle.

Abstract: This unique and novel invention provides a telescoping level device used to effectively and efficiently measure the slope of objects and surfaces. The device comprises a telescoping arm, a ball joint, a level, and one or more contactors. The device allows the user to easily, accurately, and quickly verify the in-situ slope of pipes as well as a plurality of other objects and surfaces. The length and angle of the telescoping arm, relative to the level, are adjustable to prevent the user from unnecessarily stooping, kneeling, or climbing.

Abstract: A system for measuring angle adjustment of a hookspanner wrench to accurately tighten a bearing onto a shaft, the shaft having an adapter sleeve mounted thereon, the adapter sleeve having a threaded and tapered portion. The system including a device providing a hookspanner wrench having a lever arm and an engaging portion, the engaging portion of the hookspanner wrench configured to engage a bearing locking nut, the lever arm configured to mount a storage clamping device fixed thereto, a smartphone secured in place by the storage clamping device, and a specialized application stored on the smartphone that provides a built-in inclinometer and look up data tables.

Abstract: An alignment apparatus for accurately aligning a replacement spindle with a pre-existing axle shaft to facilitate repairing a damaged axle assembly. The alignment apparatus may comprise an axle clamp assembly and a spindle clamp assembly. The axle clamp assembly may be mountable to an axle shaft. The axle clamp assembly may be self-centering and self-aligning. Similarly, the spindle clamp assembly may be mountable to a spindle. The spindle clamp assembly may be self-centering and self-aligning. The axle clamp assembly may be fixable to the spindle clamp assembly. By fixing the axle clamp assembly to the spindle clamp assembly, a desired alignment between the axle shaft and the spindle may be achieved.

Abstract: An apparatus for automatically evaluating chassis or wheel alignment measurement data comprises: a memory device configured to store a number of chassis data records, with each chassis data record containing at least one chassis parameter and a tolerance range allocated to each chassis parameter; a provisioning device configured to provide a data record of current chassis parameters, which comprises at least one current chassis parameter; a selection device configured to select, on the basis of the data record provided by the provisioning device, a subset of chassis data records from the chassis data records stored in the memory device; and a determination device configured to determine the proportion of the chassis data records from the subset of chassis data records for which the current chassis parameter's of the data record provided by the provisioning device are within the specified tolerance ranges.

Abstract: A system for obtaining spatial measurements between objects such as crops in an agricultural field. The system includes a measurement device including a motorized reel containing a wound length of measuring line, and electronic encoder with shaft rotated in opposing directions by dispensing or retrieving measuring line. A pivotably movable spring-biased tension arm maintains tension in the line when being rewound. The tension arm is responsive to changes in line tension and configured to automatically start the motor to rewind the line onto the reel based on angular position of the arm. A gear train includes a translatable shuttle gear which selectively couples the reel to the motor based on movement of the tension arm. The encoder converts rotary motion of its shaft into linear field measurements. In one implementation, the tension arm comprises an inboard arm and outboard arm with translatable pulley coupled thereto by an articulated joint.

Abstract: The invention relates to a portable device for marking a surface, including a casing (2) having a front face (6) having a rectangular opening (6A) for the passage of a marking member, the front face (6) of the casing being provided with a stiffening frame (15) surrounding the passage opening (6A), this stiffening frame (15) being provided with an indexing system (18) adapted to cooperate with a complementary indexing system (19) equipping each of the tooling of a series of removable tooling (20A, 20B, . . . ) for positioning the device on the surface to be marked, each removable tooling (20A, 20B, . . . ) of the series and the stiffening frame (15) including at least one of the elements of a magnetic fastening system with two elements, namely a magnet (21A) and a ferromagnetic material (21B).

Abstract: A gauge for verifying that an airfield's runway and taxiway markings are a specific size. It is a complete reference tool for assessing markings manually by a technician; that is a tool to help reduce the subjectivity of the assessment by the technician. The gauge is flexible and can be rolled or folded for transport. In order to make the gauge easier to use, the measurements are made using very specifically placed and sized slots that conform to ideal airfield markings. Graduation markings at the end of the slots help the technician determine the size of marking discrepancies.

Abstract: Method for measuring a workpiece, comprising the method steps of: providing a workpiece, wherein the workpiece has a surface with a surface structure; predefining a geometric measured variable of the workpiece, wherein the geometric measured variable is a diameter of the workpiece and wherein the geometric measured variable and a nominal-actual deviation of the geometric measured variable are defined in a reference plane; predefining a measuring path; tactile sensing of measured values on the workpiece by bringing a measuring probe into contact with the surface of the workpiece and the measuring probe scans the workpiece in contact with the surface along the predetermined measuring path; computational determination of the geometric measured variable and the nominal-actual deviation of the geometric measured variable from the measured values within the reference plane; wherein the predefined measuring path lies at least partially outside the reference plane.

Abstract: An electrical color chart tape measure apparatus for viewing a color code chart while measuring conduit includes a tape having a housing front side with a blade aperture extending therethrough adjacent the housing bottom side. A tape blade is coupled within the tape housing and is slidably extendable and retractable through the blade aperture. The tape blade has a blade top side with a plurality of hash markings and a plurality of corresponding numerical inch measurement markings. A claw is coupled to a distal end of the tape blade. A plurality of color indicators is coupled to the tape blade between the plurality of numerical inch measurement markings. A color chart is coupled to the tape housing and has a low voltage color key and a high voltage color key corresponding with the plurality of color indicators.

Abstract: A range finder assembly comprising one or more sight pin leads having a light emitting end and a light receiver end, one or more PCBs, a range finder assembly, one or more LEDs, a power supply, a device application and an optical coupling assembly. The one or more PCBs comprises one or more processors and a memory. The one or more processors are configured for executing the device application. The device application is configured for interpreting a range signal from the range finder assembly and generating a range display signal. The one or more LEDs generate light signals. The one or more LEDs are selectively routed into the light receiver end of the one or more sight pin leads using the optical coupling assembly. The light emitting end connect to one or more display pins within bow sight.

Abstract: A tape measure including a tape measure blade having an edge design to increase tape blade durability is provided. The metal portion of the tape blade may include lateral edge surface sections that have a non-planar, tear reducing shape. The metal portion of the tape blade may include lateral edge surface sections that include a tear reducing surface treatment such as a polished lateral edge surface section.

Abstract: A gauge apparatus is disclosed herein that positions a jaw within a chuck at a specified radius with respect to an axis of the chuck. The gauge apparatus includes a gauge member having an elongate configuration with a guide surface against which a side of a jaw may be biased. A pin projects forth from the gauge member to receive a tip of the jaw with the side of the jaw biased against the guide surface, in various aspects, and the pin is positionable with respect to the gauge member. An outer guide assembly cooperates mechanically with the gauge member and with a side face of a chuck to orient the gauge member radially with an axis of the chuck to locate the pin radially with respect to the side face in order to position the jaw at a selected radial position with respect to the axis.

Abstract: A clutch alignment apparatus and method of aligning a dual clutch system in a continuously variable transmission that enables a user to measure the alignment of the primary clutch and secondary clutch when the system is under a load that is similar to that which is applied when the system is operating under normal operating conditions.

Abstract: An apparatus and method for a reel-to-reel chalk line comprising a first housing comprising a first reel, a first rotatable crank mechanism connected to the first reel, and a first chalk bin comprising apertures for allowing the passage of a continuous loadable chalk line. The apparatus further comprises an opposed second housing comprising a second rotatable reel, a second crank mechanism connected to the second reel, and a second chalk bin comprising apertures for allowing passage of the continuous impregnable chalk line. The continuous impregnable chalk line is reeled about the first and second reels as the respective crank mechanisms are alternately rotated forward and backward. The chalk line comprises one or more releasable segments along its length. The releasable segments sever the chalk line when a load on the chalk line exceeds the working capacity of the first and second reels and crank mechanisms within the respective housings.

Abstract: A speed square is provided including a triangular flat plate having measurement markings indicated on at least one face, a T bar affixed to, and extending along, the length of a first side of the triangular flat plate, and an extension element hingedly connected to an end of second side of the triangular flat plate opposite the T bar. The extension element having measurement markings indicated on at least one face, such that the measurement markings of the triangular flat face continue on the extension element.