Abstract: A liquid loading and application apparatus includes a hub, a paint roller support element, and the hub receives the paint roller support element. The hub includes first and second frusto-conical surfaces subtending an angle, and oppositely disposed annular end surfaces contiguous with the respective first and second frusto-conical surfaces. A cover of a first material conforms to the frusto-conical surfaces. The cover has opposed circular openings, and elastic strips of a second material. The elastic strips engage the frusto-conical surfaces and grippingly secure the cover to the hub. The first material is more elastic than the second material so that the strips grippingly secure the cover to the hub.

Abstract: The invention starts from a wiper blade (20) of a windshield wiper with a wiper strip support (22) and wiper strip (24), which feature end caps (28) on their ends, whose inner cross-sectional profile is adapted to the cross-sectional profile of the wiper strip support (22). It is proposed that a guide rib (42, 48, 50) running transverse to the longitudinal direction (58) of the wiper blade (20) and having a guide surface (44, 54) be formed laterally on at least one of the end caps (28).

Abstract: An improved dustpan having interlockable mating grooves and channels to facilitate stacking together at least two dustpans. The unique feature of the present invention is to form at least one groove in the sidewall of a dustpan, which groove has an interior chamber and an exteriorly projecting bulge so that when slid together, the exterior bulge of the upper dustpan slides into the chamber of the groove of the lower dustpan so that they are locked together. In a preferred embodiment, the upper interior wall of the interior chamber and the upper portion of the bulge start at the same downward angle from front to back to facilitate locking two dustpans together.

Abstract: A vacuum cleaner comprises an elongated vacuum body, a battery-pack attached to the elongated vacuum body and shoulder straps attached directly to the elongated vacuum body and/or the battery-pack. The battery-pack is engaged with an exterior side face of the elongated vacuum body and is generally positioned between said shoulder straps such that the battery-pack engages a back of a person having each arm extending through a respective one of said shoulder straps.

Abstract: A vacuum cleaner includes a housing that carries a suction inlet, a dirt collection vessel, a main filter compartment and a suction generator. The main filter is received in the main filter compartment. An airflow pathway connects the suction inlet, the dirt collection vessel, the main filter compartment and the suction generator. A dirt detection sensor is provided in the airflow pathway between the dirt collection vessel and the main filter compartment.

Abstract: A hinge for detachably anchoring a door to a frame of a piece of furniture includes a mounting and adjustment assembly mounted on the frame, a hinge cup attached to an arm and upper plate, and a locking mechanism attached to the upper plate. An embodiment of the mounting and adjustment assembly includes a base/mounting plate, an adjustment plate and a connecting plate. An embodiment of the locking mechanism is spring actuated to facilitate installation and removal of the door.

Abstract: A hinge is compact and can hold a monitor securely in an optimum angle even if it is long-term used. The hinge has a body, a pivoting member rotatably mounted on the body and has a pintle, a first positioning element and a second positioning element mounted on the pintle. The first positioning element has a groove formed inclinedly in a front surface at an angle. The second positioning element is simultaneously rotated with the pintle and has a rear surface corresponding to the front surface of the first positioning element and a rib formed diametrically on the rear surface. The rib corresponds to and selectively engages with the groove in the first positioning element with resilience of a resilient element to retain the pivoting member at a determined angle.

Abstract: A damper apparatus includes a stationary housing defining a cavity. A damper body rotatablely installed in the cavity has a head protruding to form a cylindrical guiding portion and a pushing portion defining two side ends apart from each other and rotatable sheets and stationary sheets are respectively received in the cavity and alternately disposed on the guiding portion and the pushing portion. The stationary sheets are fixed to the stationary housing. Each of the rotatable sheets protrudes inwardly to form a retaining portion. The two side ends of the pushing portion alternately engage the retaining portions and at least two of the retaining portions are different in width so as to make the side end of the pushing portion asynchronously contact the retaining portions. Damper resin is filled between the adjacent stationary sheets and rotatable sheets.

Abstract: A stress-indicating rope-tightening apparatus includes a rope-tightening unit and a stress-indicating unit. The rope-tightening unit includes a rotational joint. The stress-indicating unit includes two strain gauges disposed on two opposite sides of the rotational joint for measuring the strain in the rotational joint, a calculator for calculating the stress in the rope based on the strain in the rotational joint and a display for showing the stress in the rope.

Abstract: A device for the connection of a band to a further part. The device has a casing (3) fixable to the band, forming a unit with the band and receiving a locking element (1). The locking element (1) in the casing (3) is mounted about an axis (12) so as to be pivotable from a retaining position into a release position and back. The axis (12) is oriented transversely to the longitudinal extension of the band and in parallel to the band plane. The casing (3) is provided, at the front side, with an opening (9) for inserting a retaining clip arranged at the further part. The retaining clip can be brought into a form-fitting connection with the locking element (1) which is in the retaining position.

Abstract: A clamp assembly selectively grips material. The clamp assembly includes a housing, a gripping assembly and means for connecting the clamp assembly to an object. The housing has a first end, a second end, a first portion and a second portion. The first and second portions cooperate to define a material receiving slot. The first portion of the housing has an angular disposed channel and an angular disposed recessed portion. The second portion of the housing has a gripping surface. The gripping assembly is slidably disposed within the channel such that the recessed portion cooperates with the channel to define a travel path so that the gripping assembly can be selectively movable between a biased first position and a second position. In the biased first position, the gripping assembly extends into the material receiving slot. In the second position the gripping assembly is withdrawn from the material receiving slot.

Abstract: A method for preparing a mat, including: a) deposition or projection of threads onto a traveling belt to form a lap of the threads that are driven by the belt, then b) needling by bearded needles passing through the lap and being displaced in the direction of the lap at substantially the same speed as that when they pass through the lap, with a stroke density ranging from 1 to 25 strokes per cm2. By the method the mat obtained can easily be deformed by hand to be placed in a mold for manufacture of a composite material by injection of resin (RTM). The mat may also be incorporated into a preimpregnated sheet (SMC) and be molded under pressure.

Abstract: A method comprises providing a substantially planar slab of piezoelectric material having a top surface. The method further comprises drilling a plurality of holes through the top surface and into the slab. The method further comprises making a plurality of cuts through the top surface and into the slab. The cuts form a plurality of polygons that are generally centered about one of the holes. The method further comprises plating the slab with an electrically conductive material. The method further comprises removing the electrically conductive material from the top surface of the slab. The method further comprises cutting the slab substantially parallel to the top surface.

Abstract: In a method for manufacturing a piezoelectric actuator, a ceramic sintered body is prepared and a size of the ceramic sintered body is adjusted in a thickness direction defined below by grinding piezoelectric ceramic layers, included in the ceramic sintered body, located outermost in the thickness direction. In the ceramic sintered body, internal electrodes are each disposed between piezoelectric ceramic layers. The thickness direction is defined as the direction along the thickness of the piezoelectric ceramic layer. Each of the inert sections are disposed on at least one side of the active section, for driving the piezoelectric actuator, in the thickness direction. Dummy internal electrodes are arranged in the inert sections such that each of the dummy internal electrodes are each located between ceramic layers. The thickness of the piezoelectric ceramic layers disposed between the dummy internal electrodes increases with distance from the active section.

Abstract: A method of production of a multilayer ceramic electronic device having dielectric layers with an interlayer thickness of 5 ?m or less and internal electrode layers including a base metal, including the steps of firing, then annealing a stack comprised of a dielectric layer paste and an internal electrode layer paste including a base metal alternately arranged in 100 layers or more under a reducing atmosphere, treating the annealed stack by first heat treatment under a strong reducing atmosphere of an oxygen partial pressure P3 of over 2.9×10?39 Pa to less than 6.7×10?24 Pa at a holding temperature T3 of over 300° C. to less than 600° C. The stack after the first heat treatment is treated by second heat treatment under an atmosphere of an oxygen partial pressure P4 of over 1.9×10?7 Pa to less than 4.1×10?3 Pa at a holding temperature T4 of over 500° C. to less than 1000° C.

Abstract: The frame of a machine tool forms a closed force loop design that surrounds a workzone containing the spindle head. The X, Y, and Z-axis drive systems are all mounted outside of the machine to shield them from contamination and debris generating during the machining process, and for ease of maintenance without having to enter the machine or remove workzone covers to access them. The X and Y-axis drives are mounted on stationary parts of the machine, eliminating the need for flexible cables to power and control these drives and reducing the mass of the moving elements of the machine.

Abstract: In a device on machines, especially machine tools and their parts, such as tool holders comprising at least one rotating element, which is rotatably mounted at least in one bearing position arranged in a housing, a lubricating device is provided for this bearing position. For this, the bearing position is located in a lubricant path, which extends from an inlet to an outlet in the housing and into which there is fed under pressure a lubricant mist, which flows through the lubricant path up to the outlet. The outlet is connected to condensation means for the residual quantity of lubricant mist reaching the outlet, so that only condensed lubricant escapes to the outside. The lubricant mist flowing through the housing effects lubrication and cooling of the bearing position and at the same time effects a pneumatic seal of the housing to the outside to prevent contaminants from penetrating.

Abstract: A continuous tool rotation tool turret is comprised of a turret head, a plurality of spindles and a motor. The spindles are attached to the turret head. Each spindle is adapted to secure and rotate a cutting tool. The motor simultaneously rotates each spindle. The spindles rotate at an operational speed while the turret head is being indexed. A bevel gear operationally connected to the motor simultaneously rotates a bevel gear attached to each spindle. Air pressure separates the turret head from its rest surface during indexing. The turret head rotates around a manifold which supplies coolant and pressurized air to the turret head. Optionally, a mating wedge and wedge receptacle attached to the turret head and its housing provide for more precise indexing of the turret head. The continuous tool rotation minimizes the time needed to index the turret from one position to another.

Abstract: The punching and riveting tool includes a pipe shaft, an energy storage spring, a weight control rod, a front cap, a collision head, a punching head, a rear cap, a pressing button, a binding spring and a lock nut. The pipe shaft is in the shape of a hollow pipe, and two ends of the energy storage spring are linked with the weight control rod and the collision head respectively. The collision head is configured with a collision part on the upper end, and a binding slot on the lower end, and the punching head is configured on the bottom end of the collision head. The pressing button is configured with a go-through part and a binding part, and the binding spring with the pressing button are configured in the counterbore of the rear cap. The lock nut is linked onto the tail end of the weight control rod.

Abstract: The present invention generally relates to a method and apparatus for connecting a first tubular with a second tubular. The apparatus includes a gripping member for engaging the first tubular and a conveying member for positioning the gripping member. The apparatus also includes a spinner for rotating the first tubular. In one embodiment, the spinner includes a motor and one or more rotational members for engaging the first tubular. In another embodiment, the apparatus includes a rotation counting member biased against the first tubular. In another aspect, the present invention provides a method of connecting a first tubular to second tubular. The method includes engaging the first tubular using a gripping member connected to a conveying member and positioning the gripping member to align the first tubular with the second tubular. Thereafter, the first tubular is engaged with the second tubular, and the first tubular is rotated relative to the second tubular using the gripping member.

Abstract: A disc pack coupling for transmitting torque between two shafts approximately aligned on a shaft axis includes a first hub assembly, a second hub assembly, and a center member extending between the first and second hub assemblies. Each hub assembly includes an axially compressible disc pack interposed between a hub and an end adapter. The center member has opposing ends, and is axially split into at least two pieces. A flange extending radially from each of the center member ends includes a assembly/disassembly hole formed between two of the at least two pieces.

Abstract: A pipe sealing gasket is shown which is designed to be received within a groove provided within the belled, socket end of a plastic pipe. The sealing gasket has a body formed of resilient material and has a retainer ring embedded therein which circumscribes the gasket body. The groove in the plastic pipe is preformed during the manufacture of the plastic pipe and the gasket is installed thereafter. The gasket nominal diameter exceeds the internal diameter of the belled pipe end. The retainer ring is placed within the body of the sealing gasket at a precisely determined location which most effectively retains the ring in position while withstanding the forces of the assembly of the pipe joint.

Abstract: In accordance with the present invention a method for the direct manufacture of aerospace duct elements is provided comprising executing a single build run on a build chamber using direct fabrication technology to generate at least one duct section. The at least one duct section is generated by forming a plurality of partial cylinder duct segments orientated within the build chamber in a nested arrangement during the single build run, and assembling at least two of the partial cylinder duct segments to form the duct section. The duct section has a duct cross-sectional profile larger than a build chamber profile.

Abstract: A workpiece according to the invention has a recess that is compressed by means of a plastic deformation, which reduces one dimension or an inner diameter of the workpiece and thus joins this workpiece to an inner piece in a positively and frictionally engaging manner.

Abstract: A transformer and method of making includes first half primary and secondary windings as metallic circuits that are etched on a metallic cladding of a first liquid crystal polymer (LCP) sheet. Secondary windings are positioned in spaced relation to the primary windings. A second LCP sheet is applied over the first LCP sheet. Second half primary and secondary windings are etched as metallic circuits on a metallic cladding of a second LCP sheet. Respective first and second half primary windings are interconnected to each other and the first and second half secondary windings are connected to each other by conductive vias.

Abstract: A method for manufacturing a first disk drive includes incorporating a first storage disk having a first storage surface, and a first slider having a first read/write head and a slider mover into the first disk drive. Further, the first read/write head is movably positioned a first head-to-disk spacing relative to the first storage surface. The method also includes determining an incremental power level necessary to be delivered to a second slider mover of a second slider having a second read/write head to adjust a second head-to-disk spacing relative to a second storage surface by a predetermined increment. In addition, the method includes adjusting a first head-to-disk spacing by directing an operational power level to the first slider mover. The operational power level is derived from the incremental power level.

Abstract: A method for making a write pole in a perpendicular magnetic recording write head uses a metal mask to pattern the primary resist and only ion milling during the subsequent patterning steps. A layer of primary resist is deposited over the magnetic write pole material and a metal mask layer is deposited on the primary resist layer. An imaging resist layer is formed on the metal mask layer and lithographically patterned generally in the desired shape of the write pole. Ion milling without a reactive gas is then performed over the imaging resist pattern to pattern the underlying metal mask layer, which is then used as the mask to define the shape of the primary resist pattern. Ion milling with oxygen is then performed over the metal mask pattern to pattern the underlying primary resist. Ion milling without a reactive gas is then performed over the primary resist pattern to form the underlying write pole.

Abstract: A method and apparatus for forming a high conductance, high aspect ratio structure in a single low temperature copper chemical vapor deposition step. A trench for a winding of a coil is formed by forming a first length of the trench in the insulation layer. The first length of the trench forms a first portion of the winding of the coil in a confined area proximate a yoke region. A second length of trench is formed in the insulation layer extending away from the first length of the trench and the yoke region. The second length of trench includes parallel trenches for forming a second portion of the winding in a nonconfined area. A metal is deposited into the first length of the trench and the second length of the trench to form the first and second portions of the winding of the coil.

Abstract: The invention relates to a method and device for production of non-contaminated rods from MOX tablets in columns, within a confinement chamber divided into compartments, by means of a centering and aligning element for the tablets and a long pushrod with a sensitive drive.

Abstract: The crimping apparatus crimps a conductor of a FFC (flexible flat cable) to a terminal. The crimping apparatus has a crimping portion and a pressing portion. The crimping portion has an anvil and a crimper which pinch the terminal and the conductor of FFC therebetween. The pressing portion has a pair of stopping bars. The stopping bars each are inserted into a through hole defined in the crimper. The stopping bars of the pressing portion press the conductor positioned on a bottom wall of the terminal against the bottom wall. The crimping portion crimps crimping pieces of the terminal with the stopping bars pressing the conductor against the bottom wall.

Abstract: A method for producing a plurality of stamped shapes to serve as a mechanism for connecting and/or soldering or sealing a component, on a substrate, including the steps of depositing a layer made of a ductile material on the substrate and stamping the layer by means of an etched die having the plurality of etched portions defining one or more shapes to form the plurality of stamped shapes.

Abstract: Ion-enhanced physical vapor deposition is utilized to deposit repair material on Ti alloy turbine parts. Pulse modulation may be used to control a bias voltage and an ionization.

Abstract: A method for in-frame repairing of a thermal barrier coating (12) on a gas turbine component includes cleaning a desired surface portion (10) of the component without removing the component from the gas turbine. The method also includes roughening the surface portion in-frame, applying a bond coat (68) to the surface portion in-frame, and applying a ceramic topcoat (70) to the bond coat, in-frame. A system (28) for cleaning the surface portion in-frame includes an abrasive media (34) having a state change characteristic occurring at a temperature lower than an operating temperature of the gas turbine so that the abrasive media changes from a solid state to another state allowing the media to exit the gas turbine during operation. The system also includes an abrasive media sprayer (36) to direct a spray of the abrasive media at the desired surface portion.

Abstract: A process for repairing a metallic shroud of a gas turbine blade includes a step of removing a portion of an anti-wear layer to a removal depth that is greater than a depth of wear of the anti-wear layer. Further, the process includes a step of leaving a trace of the anti-wear layer to subsist, wherein the trace of the anti-wear layer extends at least in a re-entrant zone of the Z profile of the blade. The process also includes a step of depositing a new layer of anti-wear material on the trace of the anti-wear layer.

Abstract: A method of manufacturing a fan blade includes providing a fan blade blank including opposed major faces, opposed inner and outer extremities, and opposed first and second sides defining opposed first and second edges, respectively. The method further specifies cutting the fan blade blank asunder into first and second parts along a cut line extending from the inner extremity of the fan blade blank to the outer extremity of the fan blade blank inboard of one of the first and second edges forming a first cut edge of one of the first and second parts and a second cut edge of the other of the first and second parts, chamfering one of the first and second cut edges forming a chamfered one of the first and second cut edges, and affixing the chamfered one of the first and second cut edges to the other of the first and second cut edges forming a fan blade consisting of the first part affixed to the second part, the first part being angled relative to the second part.

Abstract: A hot gas valve disc for a divert and attitude control disc switching element used in a propelled craft. The hot gas valve disc comprises a first layer comprising a first metal material having a first grain size and a first grain orientation, and at least one additional layer comprising a second metal material having a second grain size that differs from the first grain size, or a second grain orientation that differs from the first grain orientation. A method of manufacturing the hot gas valve disc comprises the steps of fabricating a first metal layer using a solid-free-form fabrication process, the first metal layer having a set of grain characteristics comprising grain size and grain structure, followed by heating the first layer and thereby changing at least one of the grain characteristics.

Abstract: A method of manufacturing a full face vehicle wheel having a high durability performance, in which the back surface of a wheel disk is provided in advance with an annular joining groove. A peripheral joining end of a wheel rim is provided in advance with an inside slope end surface. The peripheral joining end is seated and positioned on the bottom surface of the annular joining groove. A welding heat confining annular region is produced between the inside groove wall of the annular joining groove and the inside slope end surface. The annular joining groove and the peripheral joining end are joined by welding.

Abstract: A method and apparatus for manufacturing wings includes a fixture that holds wing panels for drilling and edge trimming by accurate numerically controlled machine tools using original numerical part definition records, utilizing spatial relationships between key features of detail parts or subassemblies as represented by coordination features machined into the parts and subassemblies, thereby making the parts and subassemblies intrinsically determinant of the dimensions and contour of the wing. Spars are attached to the wing panel using the coordination holes to locate the spars accurately on the panel in accordance with the original engineering design, and in-spar ribs are attached to rib posts on the spar using accurately drilled coordination holes in the ends of the rib and in the rib post. The wing contour is determined by the configuration of the spars and ribs rather than by any conventional hard tooling which determines the wing contour in conventional processes.

Abstract: Electric rotary shaver including an outer cutter 14, in which a ring-shaped groove 26 is formed in the top portion and two ring-shaped inner cutter running tracks 34 are formed in the interior surface, and an inner cutter 16, in which a plurality of cutter blades 40 are provided that make sliding contact with the inner cutter running tracks 34 of the outer cutter 14. A sliding surface where the cutter blades of the inner cutter make a sliding contact with the inner cutter running track of the outer cutter is set on a plane C perpendicular to the center axis line (A), and the thickness of the top portion of the outer cutter 14 is such that the portions near the ring-shaped groove 26 are made thinner or thicker than the other part of the top portion on at least a part of the circumference.

Abstract: A cutting apparatus has a unidirectionally-locking blade cover that automatically snaps back over the exposed blade after each cut, and a dependent, index finger operated unlocking trigger.

Abstract: Disclosed is an electric hair clipper. A movable blade is reciprocated by a pin cam to perform hair-cutting. A comb cap is attached to an outer surface of the hair clipper body. A drive bolt is mounted in a lower region of the hair clipper body. A tension spring is mounted around the outer peripheral surface of the drive bolt. A nut member is provided to allow the drive bolt to be penetrated there through and formed at an inner peripheral surface thereof with screw grooves. A shock-absorbing spring is provided, one end of which is attached to a plate fixed to an inner bottom surface of the body and the other end thereof is attached to a shock-absorbing bar. Up and Down switches are formed at opposite lateral surfaces of the body at lower ends of the lateral surfaces to forwardly and rearwardly reciprocate the comb cap.

Abstract: A mode selection apparatus for a jigsaw having scrolling and orbital modes is disclosed. The mode selection apparatus comprises a locking arm (76) moveable between a first position in which a scroller knob (56) is rotatable relative to the tool housing, a second position in which the locking arm engages the scroller knob to prevent it from rotating relative to the tool housing and an output shaft of the jigsaw is prevented from pivoting about a pivot axis transverse to the longitudinal axis of the output shaft, and a third position in which the scroller knob is prevented from rotating relative to the tool housing and the output shaft is causes to pivot about the pivot axis. The locking arm (76) has a slot (84) for engaging a tooth (86) on a scroll selector (48) for moving the locking arm between the first, second and third positions thereof. The tooth (86) remains in engagement with the slot (84) during movement of the locking arm between the first, second and third positions.

Abstract: A tool (10)for measuring, marking, or cutting material, the tool formed of a rigid sheet of transparent material (11) having a plurality of lines formed thereon, and a transparent, non-removable, slip-resistant coating (17) applied to a working surface of the rigid sheet to resist slipping of the tool when applied to the material.

Abstract: An adjustable marking and measuring tool including a locating block and a guide block is provided. The locating block includes a pair of abutments for locating the tool in the corner of a jamb. The guide block includes a miter guide line edge for locating a guide line for longitudinally locating a piece of trim. The guide block includes a reveal guide line edge for marking the offset of the trim from an opening defined by the jamb. The position of the guide block relative to the locating block is adjustable for adjusting the amount of reveal identified by the tool. The tool may further include an engagement portion for engaging a mitered end of a trim piece. Further, the tool may include an upstanding abutment member to locate the guide block relative to a piece of trim for marking a miter line across the trim piece.

Abstract: A laser level includes: a covering; a stand on which the covering is mounted; a laser unit provided in a space surrounded by the covering and the stand; and a radiation window, provided in the covering, through which a laser beam emitted from the laser unit is radiated to an exterior of the covering. The laser level includes removal means which removes moisture in the space.

Abstract: The disclosure relates to micro-electromechanical systems (MEMS) and magnetic MEMS sensors. The sensors include a substrate having a surface, a first magnetic field detector positioned on the surface, a second magnetic field detector positioned on the surface proximate to the first magnetic field detector, and a third magnetic field detector positioned on the surface proximate to the first and second magnetic field detectors. Each of the first, second and third magnetic field detector is capable of detecting external magnetic fields that are mutually orthogonal along three directions. In certain embodiments, the magnetic MEMS sensors may be useful as electronic compasses. The disclosure also relates to fabricating a magnetic MEMS device, such as an electronic compass, from or on a single wafer, which includes multiple MEMS sensors.

Abstract: A molded plastic yet structurally rigid tool, such as a level, with a web extending in a generally undulating configuration. The undulating configuration of the web acts to strengthen and make the level more rigid when compared to a level with a planar web. The undulating configuration of the web is substantially symmetrical about the centerline of the level over its entire length, but may also be arranged in a number of non-planar embodiments.

Abstract: A receptacle box installer includes an L-shaped element with a first arm and a second arm, a block attached to an inside surface of the first arm of the L-shaped element, and a gap between a side of the block closest to the second arm of the L-shaped element and the second arm of the L-shaped element. A user then inserts the second arm of the L-shaped element into a receptacle box until the gap is filled with an outside wall of the receptacle box. A surface of the block opposite the connection with the first arm of the L-shaped element is contacted with a front surface of a framing member. The receptacle box is then contacted with the framing member. A user then attaches the receptacle box to the framing member using standard attachment means. Once the receptacle box is installed on the framing member, the receptacle box installer is removed from the receptacle box.

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: A level assembly includes a housing having a level mounted within. The housing includes a first arm and a second arm slidably attached to the housing. The first and second arms are both stored in storage positions. Fastener locators associated with each arm are both stored in storage positions. During use the fastener locators are pivoted to an extended position.