Abstract: Disclosed in the present disclosure is a hub surface scribing device. Four sets of support rods are arranged symmetrically with each other on right side of a base plate, a set of support blocks are mounted at top of each set of support rods, a first polished rod extends between a set of support blocks on left side and a set of support blocks on right side, a first guide sleeve is slideably connected to the first polished rod, the first polished rod is slideably sleeved with a stop block, a first locking bolt penetrates the stop block, a second polished rod extends through two sets of first guide sleeves, the second polished rod is slideably sleeved with a second guide sleeve, a second locking bolt also penetrates the second guide sleeve, a support block is welded to top of the second guide sleeve.

Abstract: A tape rule comprises a blade, a reel, a spring, a lock, and a housing. The blade comprises a substrate and a coating. The coating is configured to provide color, environmental protection, and/or abrasion resistance. In some embodiments, (1) the coating is formed from non-polymer materials; (2) the blade comprises reinforcements metallurgically bonded to the blade at or near a free end; (3) measurement indicia comprise locally annealed portions of the substrate or the coating that create color contrasts; (4) the measurement indicia comprise portions of the substrate visible through gaps in the coating; (5) the measurement indicia comprise voids in the substrate filled with a coating material having a contrasting color; and/or (6) the substrate has a surface texture configured to change an appearance of the coating relative to an appearance of the coating on an as rolled surface finish of the metal substrate.

Abstract: Implementations of a pattern practicing apparatus for longarm quilting machines are provided. In some implementations, the pattern practicing apparatus comprises a base, a first handle, and a second handle. In some implementations, a method for using the pattern practicing apparatus comprises positioning the pattern practicing apparatus on top of a piece of paper or other surface, inserting a writing instrument tip into an opening through the base of the pattern practicing apparatus, holding the handles of the pattern practicing apparatus, and moving the pattern practicing apparatus by the handles across the paper to simulate using a longarm quilting machine free-hand.

Abstract: The present application relates to a runout detection device, which includes a base plate, lateral plates, guide sleeves, springs and dial gauges, etc. During the operation, the sliding sleeve and the lateral dial gauge are moved along the sliding groove in the lateral formwork, so that the runout of right end of the work piece may be measured. The bottom plate of the lower end measuring device is placed above the base plate, the ball at the top end of the probe is always in contact with the lower end of the work piece under the action of the upper spring, the probe is pressed down when contacting a projection, and the L-shaped plate is rotated clockwise through the head nail, at this time, the runout of the lower end of the work piece may be known by the reading of the lower dial gauge.

Abstract: This is a level designed to light-up when level. The drawings and specifications illustrate how each embodiment, nos. 1 thru 10, FIGS. 1 thru 10a, is designed to achieve this by its unique switching system. Each system is designed to complete the electrical circuitry as required for the level's lights to illuminate when the level is level. Each embodiment and switch system, also referred to as switch mechanism or contact switch, utilizes gravity and balance to direct the moving parts and complete the circuitry, whether by use of a pendulum, wheels, ball, balls, roller, rollers, liquid or leveling arm. The circuitry includes lights(s), battery(s), wiring, the switch system, and optionally a manual on/off override switch.

Abstract: An apparatus of measuring axial clearance of a ball screw device is capable of measuring axial clearance with high accuracy by easily attaching a ball screw device to be measured without requiring special attention. This apparatus includes a support unit that supports a nut as one member of the nut and a screw shaft threadedly engaged with each other, a measuring unit that measures a displacement amount of the screw shaft as the other member in an axial direction, a load applying unit that applies a load to the screw shaft in directions opposite to each other along the axial direction, and a posture correction unit that is provided between the screw shaft and the load applying unit to hold the nut and the screw shaft to be relatively displaceable.

Abstract: The invention relates to a tool for transferring positions of a measuring reference from a construction frame (not shown) to a surface of a tile or a number of adjacent tiles (31) for making cut-outs in said tile or tiles (31), said tool (1) comprising a frame-like structure (3) and a grid structure (6) having openings in a raster pattern or a grid pattern made up by laser beams, said grid structure or pattern (6) extending between elements of the frame-like structure (3).

Abstract: A method system of reducing operator-induced error in measurements comprises a measurement tool, such as a diameter gage, that is configured to communicate electrical signals representative of measurements to a computing device, which is configured to receive the signals and to determine a value for the measurement without the operator having to interact with the tool to zero the gage, acquire the data or transmit the data.

Abstract: A portable doweling jig includes a generally cuboidal body comprising four sets of bores that facilitate the drilling of precisely positioned holes into workpieces for receiving standard-sized construction dowels. Despite the absence of moving parts, the present invention accommodates dowels of different diameters, and also workpieces of both standard and nonstandard thicknesses. Furthermore, the present invention makes possible the creation of three types of dowel joints: edge-to-surface, edge-to-edge, and surface-to-surface.

Abstract: A method for forming an assembly of a plurality of components. The method includes receiving, by a controller, one or more assembly identification parameters and controlling, by the controller, a light array disposed along an assembly jig based on the one or more assembly identification parameters.

Abstract: A surface property measuring device includes a measuring arm that is supported so as to be capable of circular arced movement, a stylus that is provided to a distal end of the measuring arm, a position change detector that detects a change in position of the measuring arm, and a measurement force applier (voice coil motor) that biases the measuring arm in a circular arced movement direction and applies a measurement force. A control device includes a central controller that outputs a measurement force instruction that issues an instruction for an orientation and size of the measurement force, and a measurement force controller that controls the orientation and size of the measurement force produced by the measurement force applier. The measurement force controller monitors a position change detection, and when a position change speed of the measuring arm exceeds a predetermined threshold value, applies feedback.

Abstract: A multifunctional writing device includes a hollow body, wherein the hollow body comprises one or more cavities configured to store a mechanical pencil, a multifunctional drawing tool, a compass needle, a stylus, an eraser, a USB flash drive, an imaging system, a projector pen, a set of cameras, and attaches a projector stick. The first writing member comprises a mechanical pencil system being provided in a first portion of the hollow body and a touch ID sensitive barrel. A second projector member comprises a projector pen and attaches a projector stick. The first portion of the hollow body is at the opposite end of the second portion of the hollow body. The multifunctional writing device allows for projecting self-leveled and auto calibrated geometry drawing tools. A method for digitizing the written data on paper and a system for secure, auto proctored, and auto grading of examinations is provided.

Abstract: An operator, using the Laser Guide operating procedure, can accurately position the Guide vehicles to the hitch point of a vehicle, trailer or 5th wheel. The operator may choose to use the dual lasers (prior art), the Guide and lasers, or only the Guide. The Guide mechanism consists of a retractable tape to connect the vehicles, a dual light signaling device, a rolling stop switch, and a backup camera display or a panel. A one time initial setup with vehicles hitched, requires several minutes. The hitching procedure is user friendly. The accuracy of the Guide can be demonstrated by a working model.

Abstract: A gauge for cartridges is disclosed. The gauge includes a gauge body defining an opening, a window, and receiving space. The opening and the receiving space share an axis and are in direct communication with each other. The window is in direct communication with the receiving space. The opening and the window are separated by a body portion of the gauge. Each gauge has a receiving space that is sized and shaped to correspond to a predetermined cartridge.

Abstract: A caliper-arm-retention mechanism for a caliper tool is disclosed. The retention mechanism includes a selectively movable retention sleeve and a pivot arm that cooperate to constrain relative translational motion between the pivot arm and a caliper arm pivotally engaged with the pivot arm while at the same time allowing relative rotational movement of the caliper arm and pivot arm. The retention sleeve may be selectively repositioned using a threaded nut configured to push the sleeve toward the pivot arm or pull the sleeve away from the pivot arm, depending on the direction of rotation of the nut.

Abstract: A leveling system for leveling a table having a top surface and at least three legs. The leveling system including at least three sensor bars that act as individual digital levels adapted to be placed on top surface of the table. The leveling system including a leg movement system adapted to be attached to the table and adapted to raise and lower the legs to achieve a level top surface. The leveling system including a controller system that is connected to the sensor bars to receive data from the sensors bars and to the leg movement system to command movement of the leg movement system that is adapted to raise and lower the table, the controller system including a leveling software algorithm which inputs the data from the sensor bars and controls activation of the leg movement system.

Abstract: A rotary table includes: a stage; a rotary base configured to be rotated around a rotation center axis; a support mechanism that is disposed on the rotary base and supports the stage; a leveling adjustment mechanism configured to perform a leveling adjustment of the stage; and a transfer mechanism configured to transfer a rotative force of the rotary base to the stage. The transfer mechanism includes: an annular transfer member configured to receive the support mechanism therethrough; a first connecting mechanism that connects the transfer member and the rotary base and is rotatable around the first axis; and a second connecting mechanism that connects the transfer member and the stage and is rotatable around a second axis defined in a direction intersecting the first axis.

Abstract: A tool set that can easily check positions of positioning pins for a workpiece even in an environment using a liquid is disclosed. The tool set includes: a reference tool to be placed on the holding stage; a dummy workpiece to be placed on the reference tool; and a check pin having a cylindrical circumferential surface. The reference tool has a central protrusion having a cylindrical circumferential surface. The dummy workpiece has a circular through-hole having a diameter larger than a diameter of the circumferential surface of the central protrusion. A diameter of the check pin is smaller than a value determined by dividing a difference between the diameter of the circular through-hole and the diameter of the circumferential surface of the central protrusion by 2.

Abstract: A tape winding device includes a fixed plate having a fixed plate side notch, a rotation plate having a rotation plate side notch which the linear member to be inserted into or removed from when a position of the rotation plate side notch is aligned with a position of the fixed plate side notch, a tape support unit and a position regulating member configured to regulate a position of the linear member in the fixed plate side notch and the rotation plate side notch such that the linear member is located at the bottom region of the fixed plate side notch and the rotation plate side notch, the position regulating member having a distal end arm portion, the distal end arm portion running across an opening of the fixed plate side notch and extending over two opposing inner edges of the fixed plate side notch at a regulation position.

Abstract: A scale includes: a substrate; scale gratings that are formed on a face of the substrate and has a plurality of metal gratings at a predetermined interval; and an inorganic transparent member that is provided between the plurality of metal gratings, wherein at least a surface of the face of the substrate is made of a metal, and wherein the scale gratings and the inorganic transparent member are exposed to atmosphere.