Abstract: A base extension assembly for measuring angles on a radiused corner includes a base that has a blade slot extending therein to insertably receive a blade of a combination square. The base has a channel is integrated therein to receive an anvil of the combination square. The base has a width that is greater than the width of the anvil such that the base extends beyond a radius of a corner is measured with the combination square thereby enhancing accuracy of the combination square. A pair of plates is each of the plates is positionable on the base to retain the anvil of the combination square in the channel.

Abstract: A tared caliper having a measuring bar with a fixed jaw, a moving frame with a measuring indicator and with a moving jaw, an accurate feed mechanism, a measurement effort device with a calibrated flexible member. The calibrated flexible member in form the non-fixed replaced cylindrical compression spring with effort from 0.5 . . . 3 N to 25 . . . 60 N. The non-fixed replaced cylindrical compression spring coaxial into the rod inside the body by the measurement effort device. The body is connected to a moving frame. The force indicator includes from the marking window on the body and from the force scale on the rod. The rod is connected to an accurate feed mechanism. The rod is pressed to the flexible member.

Abstract: A measuring instrument that includes a main body and a slide arm. The main body has a first plate with a first set of measuring identifiers, a second plate with a second set of measuring identifiers, a channel between the first plate and the second plate, and a measuring arm. The slide arm has a measuring arm and a slide rail. The slide rail is positioned within the channel and movable relative to the main body. The slide rail also has a plurality of measuring markers that can align with at least one of the measuring identifiers.

Abstract: A tissue caliper is provided. The tissue caliper includes a housing assembly including a tubular body, an activation assembly operably received within the housing assembly, and a caliper assembly operably connected to the activation assembly. The activation assembly includes a magnetic spring for effecting the opening and closing of the caliper assembly. Also provided is a kit for measuring tissue thickness.

Abstract: A socket and wrench gauge provides for the portable and precise measurement of the dimension of a bolt or nut across the flats thereof, in order to determine the precise size of the socket or wrench required for use therewith. The socket and wrench gauge consists of two parallel jaws with gripping points, with the first jaw and gripping point extending laterally from an elongated slide scale and the opposite jaw and gripping point extending laterally from an elongated body receiver and raceway through which the slide scale operates. The scale consists of two linear rows of dimensional numbers thereon, with each of the numbers corresponding to a distance between the two jaws and gripping points. The numbers are placed longitudinally along the face of the scale for simplicity and greater legibility.

Abstract: A flexible mount is provided for coupling a force actuator to a caliper jaw. The flexible mount includes a first mounting portion for being coupled to the caliper jaw, a second mounting portion for being coupled to the force actuator, and a flexible element (e.g., a parallel flexure) coupled between the first and second mounting portions. When a force is applied to the force actuator (e.g., by a user pushing on a thumbwheel) along the measuring axis direction, the flexible element flexes to generate a measuring force that is applied to the caliper jaw. The use of the flexible mount results in more control and a better feel for a user when attempting to exert control to provide a desired amount of force during a measuring process. The flexible mount may also utilize a fastening configuration that is compatible with existing mounting features on existing caliper jaws.

Abstract: A scanning device for a position encoder is provided that comprises a plurality of sensor elements for generating a plurality of sensor signals. A summation unit is also provided for generating at least a first summation signal and a second summation signal that provide information on the relative alignment of the scanning device and an associated scale. The first summation signal is generated from a first subset of the plurality of sensor signals and the second summation signal is generated from a second subset of the plurality of sensor signals. The plurality of sensor elements are substantially evenly spaced apart from one another N and sensor elements are provided per period of an associated scale, wherein N is an integer value and a multiple of three and four. In this manner, the third harmonic contribution to the summation signals is suppressed.

Abstract: An electronic caliper generates power for measurement operations. The caliper comprises a scale member, a slider, a signal processing portion configured to measure a displacement between the scale member and slider, a power generating arrangement attached to the slider comprising a gear assembly configured to rotate in response to a force provided through a power generating handle to the gear assembly by a user moving the power generating handle relative to the gear assembly, and a power generator coupled to the gear assembly and configured to rotate in response to force provided by the rotating gear assembly and provide power to the signal processing portion. The power generating arrangement generates power as the user moves the power generating handle, and the power generating arrangement contributes a motion resistance force component of at most 20N as the user moves the power generating handle with a maximum manual acceleration.

Abstract: The present invention is directed to a combination roof top solar installation tool, and more particularly, to a tool for measuring, securing, and supporting solar installation equipment to allow for quick, safe, consistent, and efficient installations. The tool may include a first housing, a second housing, and third housing that fit telescopically together and are secured through a clip locking mechanism that extends the housings when released via a clip and roller system. The tool has ruling etched along the top of the housings, a level, and also has a series of ratchet heads for tightening and loosening tools on a roof. The invention may include a series of seam clamp holes along the surface of the housings, which receive a seam clamp. The invention may also have an elongating device secured onto one of the housings, which is used for measuring distances beyond the length of the installation tool.

Abstract: A length measuring device for measuring a position in a measuring direction of a first object and a second object displaceable relative to one another. The device includes a hollow profile, a scale and a fastening element. The fastening element includes a first portion designed to fix the scale in stationary fashion in a measuring direction and to fix the first portion in stationary fashion in the measuring direction on the first object to be measured. The fastening element also includes a second portion with which the fastening element is fastened on the hollow profile. The length measuring device further includes a length compensation element provided between the first portion and the second portion of the fastening element, wherein the length compensation element is embodied for enabling motion of the first portion relative to the second portion in the measuring direction.

Abstract: The invention relates to a device and method of checking wear on roller chains. In order to provide a device for checking wear on roller chains, which enables a quantitative statement to be made about the state of wear of a fitted roller chain, it is proposed according to the invention that means for tensioning a portion of the roller chain with a defined measuring load be provided and that means for measuring the spacing between a given number of chain links be provided, the means for measuring the spacing having two contact pins, each of which is configured for positioning between two rivet heads or on a rivet head of a link plate, and a device for measuring and displaying the distance between the two contact pins. The advantages of the invention consist essentially in that it enables an accurate, quantitative measurement of the wear on a roller chain in the fitted state to be obtained quickly and easily.

Abstract: An electronic caliper generates power for measurement operations. The caliper comprises a scale member, a slider, a signal processing portion configured to measure a displacement between the scale member and slider, a power generating arrangement attached to the slider comprising a gear assembly configured to rotate in response to a force provided through the scale member to the gear assembly by a user opening or closing the caliper, and a power generator coupled to the gear assembly and configured to rotate in response to force provided by the rotating gear assembly and provide power to the signal processing portion. The power generating arrangement generates power as the user opens or closes the caliper and is configured such that it contributes a motion resistance force component of at most 20N during the user opening or closing the caliper using a maximum manual acceleration and/or speed.

Abstract: An electrically powered caliper is provided which includes a scale member, a slider, a displacement sensor, a force sensing arrangement and a signal processing portion. The signal processing portion is configured to receive a force signal and indicate a respective force corresponding to the respective position of the slider. Force data is acquired comprising a plurality of respective forces corresponding to respective positions of the slider. The signal processing portion defines an acceptable measurement force range defined by at least a minimum force threshold that is determined such that it exceeds a compensation force corresponding to at least one force component included in the force signal that is independent of user variations of the measurement force. It may analyze acquired force data to identify pre-contact data, and set the minimum force threshold for a current measurement procedure based on that pre-contact data.

Abstract: A caliper for measuring the size of an object, especially the thickness of an object with non-planar surfaces. After measured, the caliper can be removed from the object without changing the measured value. The caliper includes a scale ruler, a vernier slidably disposed on the scale ruler, a first jaw fixedly connected to the scale ruler and a second jaw pivotally connected to the vernier. In normal state, the second jaw is kept in a position in alignment with and in parallel to the first jaw, whereby the caliper can be used to measure the object in a common manner. After measured, the second jaw is rotated to another position, permitting the caliper to be removed from the measured object.

Abstract: An electronic caliper generates power for measurement operations. The caliper comprises a scale member, a slider, a signal processing portion configured to measure a displacement between the scale member and slider, a power generating arrangement attached to the slider comprising a gear assembly configured to rotate in response to a force provided through the scale member to the gear assembly by a user opening or closing the caliper, and a power generator coupled to the gear assembly and configured to rotate in response to force provided by the rotating gear assembly and provide power to the signal processing portion. The power generating arrangement generates power as the user opens or closes the caliper and is configured such that it contributes a motion resistance force component of at most 20N during the user opening or closing the caliper using a maximum manual acceleration and/or speed.

Abstract: Portable instrument for measuring dimensions, comprising a scale, a position sensor capable of being displaced relative to the scale and a watertight housing defining an internal volume comprising the display, the electronic reading circuit and a power source. Additional functional layers, for example an over-molded elastomer thermoplastic layer and a metallic plate, protect the instrument and add to it specific tactile and visual qualities.

Abstract: A gauge (1) for rig-related measurements of a rowing boat involves a graduated slider (2) which is slidable longitudinally within a tube (3) that is parallel-mounted via pivoted links (6) on a bar (4). A head (9) of the slider (2) carries a laser (10) and is used with the bar (4) located in a seat-runner 21 to sight its beam B on the swivel-pin (24) or the face-of-work (27) of an oarlock (23). A reading of the slider-graduations is made and then again after the slider (2) has been extended with the head (9) turned down to bring the beam (B) onto the heel (25) of a rowing shoe (26) fixed in the boat. Difference between the readings gives the work-to-heel distance. Measurement of the distance-through-the-work is made from the swivel-pin (24) or face-of-work (27), to either the front end of the runners (21) or the front of the seat (22) when pushed fully forward.

Abstract: A length measuring device for measuring a position in a measuring direction of a first object and a second object displaceable relative to one another. The device includes a hollow profile, a scale and a fastening element. The fastening element includes a first portion designed to fix the scale in stationary fashion in a measuring direction and to fix the first portion in stationary fashion in the measuring direction on the first object to be measured. The fastening element also includes a second portion with which the fastening element is fastened on the hollow profile. The length measuring device further includes a length compensation element provided between the first portion and the second portion of the fastening element, wherein the length compensation element is embodied for enabling motion of the first portion relative to the second portion in the measuring direction.

Abstract: The present invention discloses an improved chainsaw measuring devices that allows a user to accurately and quickly measure the necessary widths and angles required for sharpening a chainsaw chain cutting tooth. The device comprises a caliper capable of measuring the width of the top plate and includes a built-in gauge for measuring the angle of the top plate cutting edge. This allows a user to individually and accurately sharpen a chainsaw chain without relying on a professional sharpening service.

Abstract: A bench top vernier caliper clamp includes a weighted base supporting a vertically extending section having a lower end integral with said base. An angle plate is removably secured to the vertically extending section adjacent a distal end of its vertically extending section, wherein the angle plate has a fixed lower jaw with a face. A loosening knob is provided for rotating the angle plate on the vertically extending section and for locking the angle plate with the lower jaw in any preselected rotated position. An upper jaw is provided having a face directly opposite the respective face on the lower jaw. A clamping knob moves the upper jaw toward and away from the lower jaw to clamp a portion of either end of the vernier caliper in place between the faces of the and lower jaws, whereby the vernier caliper remains fixed in place while measurements are being recorded.

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 caliper of a type used in measurements in which the invention comprises including offset measurement jaws deployed at an angle to the main plane of said caliper for measuring dimensions offset from the main plane of said caliper. Said caliper may also include means for measuring both internal dimensions and external dimensions, and may further include a readout, such as digital or analog readout means.

Abstract: A measuring device for determining the shortest distance between features in a structure.

Abstract: A detection device for detecting a distance between centers of two through holes includes a support member, a base member, and a measurement member. The base member and the measurement member are set on opposite ends of the support member. The base member is operable to enter one of the through holes. A distance between a center of the base member and a center of the measurement member is equal to a normal distance between centers of the two through holes. If an actual distance between the centers of the two through holes meets a determined specification, the measurement member will enter the other through hole. If the actual distance between the centers of the two through holes does not meet the determined specification, the measurement member cannot enter the other through hole.

Abstract: A measuring tool measures a trailing edge position of gas turbine nozzle. The tool includes a frame member attachable to at least one predefined reference point on the nozzle. At least one sliding member is slidable relative to the frame member and includes a measuring point engageable with the trailing edge. A position of the sliding member relative to the frame member is determinative of the trailing edge position.

Abstract: An erosion gauge for measuring a chord length of an eroded turbine blade in a steam turbine that may include: a jaw that includes a lower jaw that includes a lower jaw surface and an upper jaw that includes an upper jaw surface such that the lower jaw surface and the upper jaw surface oppose each other; a sliding scale that connects the lower jaw to the upper jaw, wherein a first end of the sliding scale is fixed to the lower jaw and a second end of the sliding scale slides through the upper jaw such that the distance between the lower jaw surface and the upper jaw surface may be varied; and an electronic depth gauge that determines the distance between the lower jaw surface and the upper jaw surface. The lower jaw surface may include a valley insert.

Abstract: A linear measurement device for measuring a wheelchair user for fitting a wheelchair, with a measuring bar having with a scale and a fixed locater attached at a first end. A second locator opposing the first locater moves on the measuring bar to a selected position for determining a distance measurement relative to the fixed locator for fitting the wheelchair user to the wheelchair. A method of measuring for wheelchair fitting with a linear measurement apparatus is disclosed.

Abstract: A scale of a hand tool includes a first end formed as a head having a fixed jaw integrally extending therefrom and a movable jaw movably mounted in the head. Two opposite surfaces are respectively formed on both sides of the head and each surface has an edge adjacent to the movable jaw. A series of scale lines is formed on each of the two surfaces. Each of the scale lines forms an angle with the edge of the surface and the angle is less than 90°. A scale numeral is respectively disposed near the distal end of each of the scale lines and is perpendicular relative to each of scale lines. An indicator is disposed on the movable jaw for pointing out a corresponding scale numeral of the scale lines. A handle is formed as the second end.

Abstract: A tool is provided for calculating the length and number of filler design elements to be used to eliminate an irregular gap in a wall being covered with cast veneer wall panels having a series of repeating design elements. The tool includes a ruler having gap measurement, length of cut and number of filler design element scales. The tool also includes a medial slide carried on the ruler. Two measuring points are also provided. The first is carried on the ruler. The second is carried on the medial slide.

Abstract: A workpiece positioning apparatus comprises two sets of jaws mounted on a rigid elongate bar, the jaws being adjustable to provide repeatable spacing of any arbitrary distance between the jaw sets. When two pieces of lumber, such as wall studs, are inserted into the two jaw sets, they are positioned at the specified spacing along a stringer such as a wall bottom plate. Indicia are provided on the strip indicating the English or metric measure of the distance between corresponding parts of the jaw sets, as well as enhanced indication of typical, e.g., 16-inch and 24-inch centerings used in American homebuilding. 15¼ and 23¼ inch indicia are also provided for shorter spans needed at stringer ends and corners to accommodate 4-foot-wide panels. The gap between jaws on one or both of the jaw sets is further adjustable to fit the thicknesses of the lumber being used. Longer jaws can be used to assure perpendicularity of wider workpieces to the elongate edges of the supporting construction members.

Abstract: An electronic hand tool type caliper includes a scale track located along a scale member reference edge that forms a sliding bearing with a mating surface of the caliper slide, thereby maintaining proper alignment of the slide jaw. Placing the scale track along the reference edge is advantageous in that the reference edge surface is inherently precisely machined and particles are excluded by the inherently close fit and the wiping action of the sliding bearing. A readhead sensor is mounted within the slide surface that mates to the reference edge to provide the sliding bearing. Thus, a very small readhead sensor may be reliably positioned at an extremely small gap relative to the scale in a protected operating environment, without detrimentally affecting cost, slider friction, or signal strength. High resolution digital signals may be provided.

Abstract: A drum gauge is disclosed that provides a measurement of the length of the tension rods. In operation the gauge is compressed, placed around each tension rod and released. A display on the gauge provides a numerical value for the relative exposed length of the tension rod(s). The gauge is then moved to each tension rod to determine the length of each rod or the gap or space between the hoops or between the hoop and the lug casings. A nut on the end of each tension rod is adjusted until all the tension rods are adjusted to the same length. The gauge allows the head to be evenly adjusted so the same pitch exists in all locations on the drum head. The gauge has a lip to ensure it is placed consistently on each tension rod and further includes posts to allow the gauge to be used with drums made with different tension rods, counter hoops, claws and lug casings.

Abstract: A linear guide unit is provided having a guide carriage (2) that can be moved in a longitudinal direction on a guide rail (1) and a length measuring system with a measuring head (3) that cooperates with a measuring body (4) arranged parallel to the guide rail (1). The measuring body (4) is located at a distance from the guide rail (1) and arranged within a clearance profile of the linear guide unit.

Abstract: A position indicator comprises: a first indicator pattern composed of a plurality of substantially identical first partial patterns periodically arranged in a direction of extension, and a second indicator pattern composed of a plurality of substantially identical second partial patterns periodically arranged in the direction of extension. The first partial patterns may extend, along a first line extending transversely to the direction of extension, and the second partial patterns may extend along a second line extending transversely to the first line and the direction of extension The first and second partial patterns may be each composed of plural sub-patterns disposed adjacent to one another in the direction of extension. The sub-patterns of each pair of sub-patterns of the respective partial pattern are different from each other.

Abstract: A firearm measuring device for measuring all external dimensions of a firearm is comprised of an elongated rectangular caliper body member having measurement indicia inscribed thereon. A pair of jaws affixed on the caliper body member, one jaw affixed to a carriage and moveable along the caliper body member, a second jaw permanently affixed at one end of the caliper body member. A drop meter affixed to the caliper body member adjacent to the fixed jaw and vertically adjustable along the length of the drop meter by a channel within the length of the drop meter. The drop meter having a measurement indicia inscribed thereon. An extension member for attachment to the caliper body member having a bottom tooth-shaped configuration which is positioned on a gun barrel. The extension member having a magnetic means recessed within the extension member for securing the extension member in combination with the caliper body to the gun barrel eliminating need of holding the device during operation.

Abstract: A device for taking length and depth measurements during surgery. The device comprises a first longitudinal member and a second longitudinal member telescopically positioned within the first longitudinal member. The second longitudinal member may have a front part connectable thereto. The front part may have an opening, a passageway, and a moveable piece in the passageway. The device may also have a sliding member for moving the moveable piece between a first position where a portion of the moveable piece is outside the front part to a second position where the entire moveable piece is within the front part. The first and second longitudinal member may be locked with respect to one another. The prevent invention also discloses methods of using the device to take length and depth measurements during surgery.

Abstract: A brake drum caliper is disclosed having a beam and two jaws for measuring the inside diameter of a cylinder, with the improvement of limit stops on each jaw for accurately measuring diameter of the cylinder in at least two depths from the top of the cylinder.

Abstract: A wear measurement device permits reliable and accurate measurements of wear and wear trends for fastening devices used in maritime applications, and on-shore facilities, such as chains, shackles, padeyes, anchor legs, and the like. The device utilizes a pair of arms slidable on a tube and positionable to contact out-of-plane surfaces and provide a direct reading of the distance between the surfaces from a scale containing dimensional indicia on the exposed surface of the supporting tube.

Abstract: An attachment to a standard measuring rule includes a body securely supporting the measuring rule. Within the body a vernier is provided. The vernier divides twenty-four one-eighth inch divisions into twenty-five equal parts, enabling vernier measurements in units of five-thousandths of an inch. A second vernier with marks spaced by one thousandth of a unit less than said measuring rule enables resolution to thousandth units. The results of the first and second verniers can be summed to yield non-interpolated resolution in thousandths of an inch from a fractional rule. Replacement rules and verniers further enable the measuring instrument to alternatively measure tolerance limits, providing the measuring instrument the adaptability to be converted readily into an easy to read quality control instrument.

Abstract: A measuring tool for measuring in two directions orientated perpendicular to each other such that obstructions may be accurately measured. The measuring tool includes an elongated member having a first end, a second end, a top side, a bottom side, a front side, and a back side. The front side has an elongated slot therein. The slot extends between the first and second ends. The bottom side has a channel therein extending between the first and second ends. The front side has length measuring indicia thereon. The length measuring indicia extends between the first and second ends. Each of a pair of arms is movably positioned on the elongated member and each extends below the bottom side of the elongated member. Each of the arms are movably coupled to the slot and the channel. The arms each have measuring indicia thereon.

Abstract: An attachment to a standard measuring rule includes a body securely supporting the measuring rule. Within the body a vernier is provided. The vernier divides twenty-four one-eighth inch divisions into twenty-five equal parts, enabling vernier measurements in units of five-thousandths of an inch. A second vernier with marks spaced by one thousandth of a unit less than said measuring rule enables resolution to thousandth units. The results of the first and second verniers can be summed to yield non-interpolated resolution in thousandths of an inch from a fractional rule. Replacement rules and verniers further enable the measuring instrument to alternatively measure tolerance limits, providing the measuring instrument the adaptability to be converted readily into an easy to read quality control instrument.

Abstract: A gauge is provided that is useful in measuring the horizontal wheelbase of a railway freight car truck sideframe. The gauge itself is comprised of a main horizontal body section usually of a single piece of aluminum bar stock. A stationary depending leg extends downwardly and is affixed to near one end of the main horizontal body section. A bearing slide assembly is affixed to the main horizontal body section near its other end. A measuring leg depends from the bearing slide assembly and is movable along the bearing slide assembly. An indicator scale is associated with the measuring leg so that its relative position with regard to the main horizontal body can be readily measured from a scale affixed thereon. The stationary depending leg is brought into contact with one edge of a pedestal jaw of the railway freight car sideframe, and the measuring leg is moved into contact along the bearing slide assembly with an opposite edge of the opposite pedestal jaw.

Abstract: The present invention relates generally to measuring devices, namely calipers. The invention is a measuring device for measuring the height or depth of a conductive element comprising a stabilizing body comprising a beam; at least one leg extending from said beam; a contact affixed to at least one leg, an electrical energy source connected in series with said contact; an indicator connected in series with said electrical energy source and said contact; a caliper comprising a measuring scale; a probe, said probe connected in series with said contact, said electrical energy source, said indicator; and means for affixing the caliper to the beam.

Abstract: A brake drum gage is described for measuring the inside diameter of a brake drum of a vehicle with the wheel mounted on the vehicle in the presence of an axle tube and other undercarriage components or parts. The brake drum gage includes an elongate generally flat bar having proximate and remote ends and defines an elongate axis in a reference plane. A fixed element is fixedly mounted at the proximate end of the bar and a movable element is movably mounted on the bar for movements along the bar between the proximate and remote ends for adjusting the spacing between these elements. Each element includes a generally V-shaped arm that includes an upright portion generally parallel to the reference plane and an angled portion inclined in relation to an associated upright portion.

Abstract: An attachment to a standard measuring rule includes a body with a three point mount for stably and securely supporting the measuring rule. Within the body a vernier is provided. In one embodiment the vernier is entirely co-planar with the rule, while in other embodiments the vernier is co-planar except for a zero-point marker. Additionally, the vernier is disclosed as an integral part of the body, or, alternatively, as a separate insert into the body. The vernier divides twenty-four one-eighth inch divisions into twenty-five equal parts, enabling vernier measurements in units of thousandths of an inch. Additional attachments including further bodies and verniers enable the standard rule to measure a wide variety of dimensions, while also enabling the use of either fractional or decimal representation on an easy to read scale.

Abstract: An apparatus for use with a dissolution testing device comprising a vessel and a shaft with a stir element affixed to one end thereof for placement within the vessel. In one embodiment, the apparatus has a front portion having a first jaw portion and a back portion having a second jaw portion. The front portion is slidably coupled to the front portion, and the first and second jaw portions form a jaw interposable between the bottom of the stir element and the inside bottom of the vessel. The jaw has a jaw distance corresponding to the position of the front portion relative to the back portion. The apparatus also includes a shaft alignment portion for aligning the apparatus parallel to the shaft, and a measurement portion for providing a distance reading corresponding to the gauge jaw distance.

Abstract: An electronic caliper having a reduced offset position transducer that uses two sets of coupling loops on a scale to inductively couple a transmitter winding on a read head on a slide to one or more receiver windings on the read head. The transmitter winding generates a primary magnetic field. The transmitter winding is inductively coupled to first loop portions of first and second sets of coupling loops by a magnetic field. Second loop portions of the first and second sets of coupling loops are interleaved and generate secondary magnetic fields. A receiver winding is formed in a periodic pattern of alternating polarity loops and is inductively coupled to the second loop portions of the first and second sets of coupling loops by the secondary magnetic fields. Depending on the relative position between the read head and the scale, each polarity loop of the receiver winding is inductively coupled to a second loop portion of either the first or second set of coupling loops.

Abstract: A feature dimension transfer tool which includes a longitudinal body with a longitudinal axis and a flat surface, a first cylinder with a longitudinal axis, the first cylinder being attached next to the flat surface of the longitudinal body and the longitudinal axis of the first cylinder being substantially parallel to the flat surface of the longitudinal body and substantially perpendicular to the longitudinal axis of the longitudinal body. A carriage is slideably mounted on the longitudinal body and a second cylinder with a longitudinal axis is mounted on the carriage, next to the flat surface of the longitudinal body. The longitudinal axis of the first cylinder is substantially parallel to the flat surface of the longitudinal body and substantially perpendicular to the longitudinal axis of the longitudinal body.

Abstract: Device for measuring length of the type sliding caliper or height gauge, in which the guiding of the slider along the beam is ensured by at least two guide shafts engaged in grooves of the slider and in slideways of the beam. The contact surface between the guide shafts is reduced to segments of a line in order to minimize the friction and to have a guide surface in a zone protected from impacts. In a preferred embodiment, the slideways have a section corresponding to a circular segment and the part of the guide shafts engaged in the slideways a section corresponding to a segment of a circle of smaller diameter. The guide shafts are supported on the slider only at their two ends and are floating between these two points of contact. The parallelism of the fixed and mobile jaws is adjustable with the aid of a screw.

Abstract: An electronic caliper having a reduced offset position transducer that uses two sets of coupling loops on a scale to inductively couple a transmitter winding on a read head on a slide to one or more receiver windings on the read head. The transmitter winding generates a primary magnetic field. The transmitter winding is inductively coupled to first loop portions of first and second sets of coupling loops by a magnetic field. Second loop portions of the first and second sets of coupling loops are interleaved and generate secondary magnetic fields. A receiver winding is formed in a periodic pattern of alternating polarity loops and is inductively coupled to the second loop portions of the first and second sets of coupling loops by the secondary magnetic fields. Depending on the relative position between the read head and the scale, each polarity loop of the receiver winding is inductively coupled to a second loop portion of either the first or second set of coupling loops.