Abstract: A method of making a transparent touch-responsive capacitor apparatus includes providing a transparent substrate having a material layer formed over the transparent substrate; pattern-wise defining electrically connected first micro-wires over the transparent substrate in a plurality of first transparent conductor areas in the materials layer; pattern-wise defining electrically connected second micro-wires over the transparent substrate in a plurality of second transparent conductor areas spaced apart from the first transparent conductor areas in the material layer, the first micro-wires electrically connected to the second micro-wires; and wherein the height of at least a portion of the first micro-wires is greater than the height of at least a portion of the second micro-wires and the total area occupied by the first micro-wires is less than 15% of the first transparent conductor area and the total area occupied by the second micro-wires is less than 15% of the second transparent conductor area.

Abstract: A method is provided for evaluating a crimp procedure in a manufacturing process. In one embodiment, the method includes, but is not limited to, completing a crimp procedure on a single wire. The method further includes, but is not limited to, evaluating a quality of the crimp procedure based on time-domain reflectometry. The method still further includes, but is not limited to, generating reporting data based on the evaluating.

Abstract: A method for setting a wheel hub assembly having a spacer therein, mounted on an axle, shaft or spindle or includes a cap a shaft is disclosed. The method is used on a wheel hub assembly having a spacer and bearings therein mounted on the axle, shaft or spindle. A retaining nut on the wheel hub assembly is tightened to the manufacture's specified torque for a particular wheel hub assembly for securing said assembly together. The wheel hub of the hub assembly is rotated when the nut is torqued to set the bearings. The retaining nut is loosened after rotating and the endplay within the wheel hub assembly is measured using an endplay measuring tool. The torque on the retaining nut is then adjusted to obtain a desired endplay measurement for the wheel hub assembly. The resultant torque on the nut at the desired endplay measurement is different from the manufacturer specified torque for the wheel hub assembly.

Abstract: According to one aspect, a fluid collection bag comprises an inlet opening adapted to receive an inlet tube located on a first side of the fluid collection bag. The fluid collection bag has a length greater than the height. The first side of the fluid collection bag is generally parallel with a length of the fluid collection bag. The fluid collection bag further comprises an outlet opening located on a second side of the fluid collection bag. The fluid collection bag may be reversible such that a first surface or a second opposing surface of the fluid collection bag may face a support element.

Abstract: System and method for inserting cable, such as fiber optic cable, into micro-duct and, simultaneously, installing that micro-duct inconspicuously atop baseboard molding or beneath crown molding against walls inside a building, thereby storing dormant cable in installed micro-duct ready to be pressed into service when the occupant requests that service. Color of the micro-duct is the same as, or blends with, color of the baseboard, or the crown molding to make presence of micro-duct as unobtrusive as possible. A special tool is provided for this purpose allowing one person, acting as solitary installer, to perform the installation without help from other people. Bend elbows are provided to prevent severely short bend radii and, thereby, prevent breakage of glass fibers or deteriorated transmission due to insertion loss. Removable splice cover hides splices. Laser test beam can locate optical fiber breaks.

Abstract: A process for producing openable photograph holders by providing a laminar sheet made of metallic material, plastically deforming by molding the laminar sheet to obtain a first semi-finished piece and a second semi-finished piece having a profile substantially equal to the profile of the first semi-finished piece, arranging a pair of shaped bottoms having profiles substantially equal each other and to the profile of the semi-finished pieces, removing material in the first semi-finished piece of rounded shape to form an ornamental pattern. One shaped bottom is coupled to each semi-finished piece to form two half portions of the openable holder, each of which presents an outer surface and an inner surface to house a photo, and constraining together the half portions to form the openable photograph holder in which the inner surface of a first half portion faces the inner surface of a second half portion.

Abstract: A method for attaching a porous metal layer to a dense metal substrate, wherein the method is particularly useful in forming orthopedic implants such as femoral knee components, femoral hip components, and/or acetabular cups. The method, in one embodiment thereof, comprises providing a solid metal substrate; providing a porous metal structure; contouring a surface of the porous metal structure; placing the porous structure against the substrate such that the contoured surface of the porous metal structure is disposed against the substrate, thereby forming an assembly; applying heat and pressure to the assembly in conjunction with thermal expansion of the substrate in order to metallurgically bond the porous structure and the substrate; and removing mass from the substrate after the porous structure is bonded to the substrate, thereby finish processing the assembly.

Abstract: A threaded connection includes a pin member comprising a first pin step and a second pin step, and pin wedge threads disposed on each of the first and second pin steps and a box member comprising a first box step and a second box step, and box wedge threads disposed on each of the first and second box steps, wherein an axial separation of the first and second pin steps differs from an axial separation of the first and second box steps.

Abstract: A fastening method is provided. The fastening method includes providing a first fastener member and a second fastener member. The first fastener member is provided with a base and at least one holder on an upper surface of the base. At least one through hole is formed on the base with a dovetail-shaped cross-section. The second fastener member is provided with a body, and is chiseled to form at least one deformable protrusion portion on the body. The protrusion portion is then inserted through the through hole from the bottom surface of the base to the upper surface of the base, and then extending beyond the upper surface of the base. An external force is applied on the protrusion portion to deform the protrusion portion for checking in the dovetail-shaped through hole, thus fixing the first fastener member and the second fastener member together.

Abstract: Apparatus for automatic assembly of universal joints which include a yoke with snap ring grooves in its yoke arms, a trunnion body, bearings, and snap rings to secure the bearings in the yoke, the apparatus comprising: (a) upper and lower parallel spring-separated plate pairs with axially-aligned holes; (b) upper and lower drive members aligned with holes in each plate pair; (c) a base plate; (d) a movable rod plate; (e) upper and lower power sources configured to provide axial movement of an upper driver plate in the upper plate pair and the rod plate, respectively; and (f) a programmed controller controlling the power sources such that automatic sequencing of the upper driver plate and rod plate sequentially urge snap rings into place in grooves within the snap ring grooves.

Abstract: A structural connection arrangement and method for connecting at least two sash, stile, mullion, or frame members of window and/or door frame assemblies that are oriented in crossing orientations when connected to one another. The connection arrangement includes at least two elongate members that each extend along a respective longitudinal axis. A pair of openings are formed in one of the elongate members and oriented to face in a crossing direction relative to the longitudinal axis of the respective member. A pair of connection members is secured to the other of the elongate members of the frame assembly and extends beyond the elongate member so that each connection member cooperates with one of the pair of openings and overlaps an interface between the two elongate members.

Abstract: A fastener including a chisel point that pre-bores a hole in a work piece to prevent damage to the work piece as the fastener advances. The fastener can include a head, a shaft and a chisel brake point formed at an end of the shaft. The chisel brake point can include first and second opposing inclined surfaces disposed at an angle of about 80° to about 150° relative to one another. A thread can begin adjacent the chisel brake point and form an extension of an inclined surface and/or a chisel edge. The chisel brake point can scrape material from a work piece while pre-boring a hole. The material can be transferred to the thread, and subsequently fed up the thread, out of the pre-bored hole. The chisel brake point can also selectively retard advancement of the fastener into the work piece. Methods of installing the fastener also are provided.

Abstract: The present disclosure relates to a method of manufacturing an end effector assembly, the method comprising the steps of providing a pair of opposing first and second jaw members including a tissue contacting plate disposed thereon having a longitudinal channel defined therealong, providing a first electrically conductive cutting plate disposed on at least the first jaw member below the tissue contacting plate, stamping the first electrically conductive cutting plate to define a cutting element, bending the cutting element about a bending region such that the cutting element extends along the first electrically conductive cutting plate and into the longitudinal channel of the at least the first jaw member, and applying an insulative material to a portion of the first electrically conductive cutting plate.

Abstract: A device and method for holding a bit for a tool. The holding device, which is secured to a support surface, includes a housing having a base, a first leg and a second leg. A slot is defined between the first and second legs and the shank of the bit is received through one of a plurality of differently dimensioned apertures defined along the slot between the first and second legs. An adjustment assembly is engaged with the first and second legs and is movable to a first position to clamp the shank in the selected aperture; and is movable to a second position to release the shank. When the adjustment assembly is moved from the second position to the first position, a free end of the second leg bends toward the first leg, thereby reducing the diameter of the aperture within which the shank is received.

Abstract: The present invention discloses a device for holding disk-shaped articles and a method thereof. The device comprises a rotatable chuck body and at least two groups of clamping elements arranged at the edge of the chuck body. Each of the clamping elements is mounted to a pivot with the chuck body respectively by means of the rotation of the clamping element with respect to the chuck body. A radial compression spring is connected between the bottom of the clamping element and the chuck body to provide a clamping force for the clamping element. The clamping elements in the same group are provided with magnets with the same polarity, while the clamping elements in different groups are provided with magnets with the opposite polarity. Two sets of electromagnets are arranged on the chuck body and spaced apart evenly.

Abstract: A lamp socket assembly tool includes an engaging end configured to engage a lamp socket inserted in an opening of a lamp housing, which may be a vehicle lamp housing. The tool includes a driving end operatively connected to the engaging end and configured to receive and transmit an axial and rotating force to the engaging end to assemble or disassembly a socket engaged by the tool relative to the housing. The tool includes a passage for receiving a connector portion of the socket such that the tool is not in contact with a connector interface. The passage may define an aperture through which a connector wire attached to the socket may exit or move freely during rotation of the socket by the tool. The engaging interface may substantially conform to a socket interface defined by a standardized filament lamp, such as an ECE H9 or H11 socket.

Abstract: A method for mounting an LED (light emitting diode) on a substrate, includes following steps. Firstly a substrate and an LED are provided. Secondly a surface mounter is provided, which includes a nozzle and a sensor in the nozzle. The nozzle includes a first electrode and a second electrode. Thirdly the nozzle is used to pick up the LED. The LED electrically connects with the first electrode and the second electrode of the nozzle to emit light towards the sensor, and the sensor detects optical characteristics of the light. Fourthly it is decided whether to mount the LED on the substrate or not according to the optical characteristics of the light detected by the sensor. An LED surface mounter which includes a vacuum nozzle and an optical sensor in the vacuum nozzle is also provided.

Abstract: According to one embodiment, one of two connectors, and a circuit board on which the other of the connectors is mounted are prepared. The one of the connectors has an engagement portion. The other of the connectors has an elastically deformable engagement detent. The engagement detent can go over the engagement portion and be engaged with the engagement portion. One of the connectors is fitted to the other of the connectors. A portion of the electric equipment is imaged by a camera. A piece of data which changes is measured from an obtained picture image. A deformation of the engagement detent occurs with going-up of the engagement detent onto the engagement portion. Whether or not the connectors are properly fitted is determined. Fitting of the connectors is performed again when it is determined that the connectors are not properly fitted.

Abstract: A method to control an optical transceiver, in particular, to drive an LD installed within the optical transceiver is described. The LD in the bias current thereof is determined by the automatic power control (APC) loop to keep an average of the optical output power. The modulation current is determined by a feedback loop to keep the extinction ratio (ER) in a preset range. The initial condition of the modulation current for the feedback loop is set by T-Im characteristic. The T-Im characteristic is first derived based on data measured in a status of the LD not installed in the transceiver. The T-Im characteristic is revised timely by the modulation current practically obtained for the optical transceiver.

Abstract: A method of manufacturing a thermally-assisted magnetic recording head includes: providing a bar and a plurality of light source units, the bar including a plurality of thermally-assisted magnetic recording head sections arranged in a first direction, and each of the light source units including a substrate and a light source; and bonding a second surface of the substrate to the bar with an adhesive layer in between, where the plurality of light source units are so aligned to the respective thermally-assisted magnetic recording head sections on the bar, as to allow a first surface of the substrate, which supports the light source, to be parallel to the first direction, the bonding allowing the substrates of the light source units to be irradiated with a first laser beam and allowing the bar to be irradiated with a second laser beam, to thereby allow the adhesive layer to be melted.

Abstract: A manufacturing method of a slider includes steps of: (a) providing a row bar with a plurality of slider elements connecting together; (b) lapping surfaces of the row bar so as to obtain a predetermined requirement; (c) lowering the temperature of the surfaces lapped in the step (b) before and/or during lapping; and (d) cutting the row bar into a plurality of sliders. The present invention can prevent a local high temperature generated on the magnetic head during lapping so that the performance of the magnetic head is improved.

Abstract: In a three phase transformer core, amorphous metal strips are wound into rings that are combined into frames and assembled to define cores with leg cross sections that have more than 4 sides to facilitate winding transformer windings onto the legs using winding tubes. The amorphous metal layers are secured relative to one another and the core made more rigid using resin, silicon steel layers included in the amorphous metal core, or by using strapping or tying devices.

Abstract: In a solenoid magnet assembly, and a method for manufacture thereof, the magnet assembly includes a number of concentrically aligned coils, each including a winding impregnated with a resin. Each coil is mechanically restrained so as to hold the coils in fixed relative positions relative to each other when forming the magnet assembly. The mechanical restraint can be formed by annular support sections bonded to the respective coils, lugs bonded to the respective coils, or by lugs that are at least partially embedded in a crust formed on a radially outer surface of the respective windings.

Abstract: A method for manufacturing a liquid ejection head includes the following processes in the following order: forming a first metal layer containing a first metal material on an insulating layer of a base on which a plurality of thermal energy generating elements and the insulating layer are laminated in this order; forming a second metal layer containing a second metal material on the first metal layer, and then patterning the second metal layer to form a plurality of protective portions; patterning the first metal layer to form a connection portion for electrically connecting the plurality of protective portions; inspecting the conduction of the connection portion and the plurality of energy generating elements; and patterning the connection portion to thereby electrically isolate the plurality of protective portions and form a plurality of close contact portions which are electrically isolated from each other.

Abstract: A method for producing a composition for forming a positive electrode material mixture layer of the present invention either includes the steps of; (1) mixing a positive electrode active material and phosphoric acid or a phosphate compound to form a mixture; and mixing the mixture and the binder to form a composition, or includes the steps of: (2) forming a mixture containing a positive electrode active material and a binder, and mixing the mixture and phosphoric acid or a phosphate compound to form a composition, wherein the formed composition for forming a positive electrode material mixture layer contains the solvent and has a viscosity adjusted to 15000 mPa·s or less.

Abstract: The present invention relates to a method for manufacturing slurry for coating of electrodes for use in lithium ion batteries, wherein the method comprises mixing active materials with a binder into a binder solution, and adding an organic carbonate to the binder solution to generate the slurry. The present invention also relates to a method for manufacturing electrodes for a lithium battery cell, wherein the method comprises mixing active materials with a binder into a binder solution, adding an organic carbonate to the binder solution to generate slurry, wherein the above adding step is carried out at temperature above melting temperature of the organic carbonate, coating electrode material with the slurry, drying the coating on the electrode material by drying the organic carbonate, and surface treatment of the slurry so that the electrode is prepared for use in a lithium ion battery cell. Further, the invention also relates to a method for manufacturing a lithium ion battery cell.

Abstract: An example bicycle service rack includes: a main body extending vertically from a single base; a bicycle mount coupled to the main body, the bicycle mount being configured to hold a bicycle; at least one cable coupled to the main body, the at least one cable being coupled to a bicycle tool; and an air pump coupled to the main body, the air pump being configured to pump air into a tire of the bicycle.

Abstract: An apparatus for removal of fasteners. The apparatus comprises a motor, a rotary drive shaft, a striker mechanism operable to convert rotary motion into reciprocating linear motion and a reciprocating shear blade shaped and sized to shear off fasteners or split materials.

Abstract: An insert apparatus for installing a transducer assembly in a sensor port of a flow cell is disclosed. The transducer assembly is installed in the cavity of the insert body without the use of glues or adhesives to bond the transducer assembly to the cavity.

Abstract: A mounting head unit includes a rotating body, a nozzle, and a valve mechanism. The rotating body includes a rotating shaft, a negative-pressure path provided within the rotating shaft to flow negative-pressure gas therethrough, a non-negative-pressure path for flowing non-negative-pressure gas therethrough, which is provided within the rotating shaft to be aligned with the negative-pressure path in an axial direction of the rotating shaft, and a partition provided within the rotating shaft to partition the negative-pressure and non-negative-pressure paths. The nozzle includes a flow path for flowing gas therethrough, is connected to the rotating body such that the flow path is in communication with the negative-pressure and non-negative-pressure paths of the rotating body, and is capable of sucking a component by being supplied with the negative-pressure gas from the negative-pressure path.

Abstract: A card installation device includes a casing and a pushing member. The casing has an accommodating recess for accommodating a card. A pushing end of the pushing member is movably disposed in the casing. When the card is accommodated in the accommodating recess, the pushing end is used for pushing the card into a card slot of an electronic device. Accordingly, the invention can assist a user in aligning the card with the card slot well during insertion so as to prevent the card and/or the card slot from being damaged.

Abstract: The present invention relates to an assembly device for assembling and/or disassembling at least one needle unit and a drug delivery device, wherein the assembly device comprises: a deposition means adapted to bring or to keep the drug delivery device in an assembly position, a holder for at least one needle unit, and an assembly unit adapted to assemble and/or to disassemble the needle unit and the drug delivery device.

Abstract: In an electronic component, a laminate is obtained by laminating a plurality of ceramic layers, and includes an upper surface and a bottom surface which are at ends of the laminate in the z-axis direction, end surfaces facing each other, and side surfaces facing each other. First capacitor conductors, second capacitor conductors, and the ceramic layers are laminated. One of the first capacitor conductors and one of the second capacitor conductors face each other via one of the ceramic layers. A first external electrode and a second external electrode are located on one of the end surfaces and one of the side surfaces, respectively, and are connected to the first capacitor conductors. A third external electrode and a fourth external electrode are located on the other one of the end surfaces and the other one of the side surfaces, respectively, and are connected to the second capacitor conductors.

Abstract: Embodiments disclosed herein include a method of manufacturing a multilayer wiring board that includes the steps of forming, on a support substrate, a laminate in which insulating layers and conductor layers are alternately laminated, accommodating a semiconductor chip in an opening of a prepreg which is formed on the surface of the laminate and that includes a sheet-like glass fiber impregnated with resin, and heating and pressurizing the surface of the prepreg in a state where the semiconductor chip is accommodated in the opening.

Abstract: A method of manufacturing a laminate circuit board with a multilayer circuit structure which includes the steps of forming a metal layer on a substrate, patterning the metal layer to form a circuit metal layer, forming a nanometer plating layer on the circuit metal layer, forming a cover layer to cover the substrate and the nanometer plating layer, forming through holes in the cover layer to generate openings exposing part of the nanometer plating layer, and finally forming a second metal layer on the cover layer to fill up the openings is disclosed. The nanometer plating layer is used to obtain same effect of previously roughening by chemical bonding, such that no circuit width is reserved for compensation, and the density of the circuit increases such that much more dense circuit can be implemented.

Abstract: A wiring board includes a substrate having first and second surfaces and a first penetrating hole through the substrate, a first conductive circuit on the first surface of the substrate, a second conductive circuit on the second surface of the substrate, an interlayer insulation layer on the substrate and the first or second circuit, and a third conductive circuit on the interlayer layer. The interlayer layer has a via conductor in the interlayer layer and connecting the third circuit and the second conductor. The substrate has a first through-hole conductor connecting the first and second circuits and on the inner wall of the first hole, a filler filled inside the first conductor and forming a second penetrating hole, and a second through-hole conductor in the second hole. The via conductor is shifted from the center of the second conductor in the direction parallel to the first surface of the substrate.

Abstract: An apparatus includes a pair of connectors, two or more conductive paths formed in each connector in the pair of connectors, and a shroud encompassing at least a portion of the pair of connectors. The pair of connectors includes a first connector and a second connector. The first connector is substantially more flexible than the second connector, and each connector in the pair of connectors includes a bulkhead. Each of the two or more conductive paths in each connector in the pair of connectors is electrically isolated from all other conductive elements in the pair of connectors. The shroud is located between the bulkheads and disposed about the pair of connectors when the pair of connectors are coupled together electrically.

Abstract: A holding structure associated with a lifting device for supporting a removed turbine engine cover plate assembly. The holding structure includes an upper support member and a lower support member. The upper support member is formed with a plurality of service areas, where each service area is configured for servicing a cover plate assembly. Each service area includes a plurality of slots extending inwardly from a peripheral edge of the upper support member to receive and support components of the cover plate assembly during a disassembly and service operation.

Abstract: A method for producing a metal reinforcement for the leading edge or trailing edge of a turbomachine blade, the method including cutting a plurality of metal foils from a flexible metal sheet, corresponding substantially to the developed length of the leading or trailing edge metal reinforcement; producing a plurality of metal pockets, each pocket being produced from two of the metal foils obtained during the cutting; stacking the metal pockets one inside the other, such as to form a preform of the leading or trailing edge metal reinforcement; and hot isostatic pressing the preform, causing the metal pockets to bond to one another, so as to produce the leading or trailing edge metal reinforcement.

Abstract: A method for retrofitting a rotor blade of a wind turbine is disclosed.

Abstract: A Fluid Injection System for rocket engines is disclosed, which comprises methods and apparatus for combining a ring-type rocket injector body and face into a single cast part, eliminating all subassemblies, their associated fabrication and integration costs, and thereby significantly lowering injector costs while increasing injector quality and reliability. The injectors may be used in rocket engines and auxiliary propulsion devices such as gas generators for a variety of applications including rockets, missiles, space launch vehicles, space vehicles, and Lunar, asteroid, and Mars lander vehicles.

Abstract: A method of producing a chassis component. The method including the steps of coating an outside of a structural component, coating an outside of a joint cartridge which has been preassembled as a joint, and permanently and securely connecting the structural component to the joint cartridge using a material bonding or joining process.

Abstract: A safety razor adapted to deliver a non-solid shaving aid material during normal use includes a handle, a razor cartridge and a reservoir for the shaving aid material in fluid communication with an applicator of the razor cartridge. A linkage extends from the reservoir to the razor cartridge. Pivotal movement of the razor cartridge away from its at-rest position causes the linkage to move relative to both the razor cartridge and the reservoir and in particular away from the reservoir. A plug of the linkage is removed from a vent aperture of the reservoir providing pressure relief for any partial vacuum caused from dispensing a portion of the shaving aid material. In the at-rest position the plug seals the vent and helps alleviate unwanted drooling of the shaving aid material when the safety razor is not in use.

Abstract: The invention relates to an ergonomically designed tool for the intensive cutting of flowers and fruit, configured such that it can be gripped with the whole hand. According to the invention, the handles occupy a position in which they are perpendicular or almost perpendicular to the cutting blades, thereby minimizing the risk of injury to the upper limbs.

Abstract: A comb attachment for use on a hair clipper includes tines that have rounded free ends positioned rearward of the cutting edge of a lower blade and forward of the cutting edge of the upper blade. Because of a radius of curvature of the rounded free ends, the free ends do not cross the cutting edge of the upper blade during attachment and removal of the comb attachment.

Abstract: An adjustable comb for use on a clipper having a first lower blade of first size and a second lower blade of second size. One of the lower blades is an active blade when attached to the clipper. The adjustable comb includes an adjustment mechanism for adjusting the position of a retaining tab that engages a rear edge of the active blade. The adjustment mechanism is shifted in a first direction to position the retaining tab for the first lower blade, and is shifted in a second direction to position the retaining tab for the second lower blade.

Abstract: A cutting tool includes a housing and a pair of cutting blades at least partially extending from the housing. At least a first of the cutting blades is movable. The cutting tool also includes a drive mechanism including a cam and a ratchet mechanism. At least a portion of the ratchet mechanism is drivably coupled to the first cutting blade. The cutting tool further includes a motor for providing torque to the cam to actuate the ratchet mechanism.

Abstract: A blade guide assembly for receiving the head assembly of a power operated rotary knife. The blade guide assembly includes: a blade guide and a cover secured to the blade guide to secure the head assembly within the blade guide. The blade guide includes a top wall, a bottom wall and an outer wall, an arcuate blade-receiving groove spaced radially inwardly from the outer wall, extending axially from the top wall and defining peripherally spaced apart ends, a head member-receiving channel extending radially inwardly from the outer wall and intersecting the arcuate groove, and a notched region intersecting the peripherally spaced apart ends of the arcuate blade-receiving groove. The cover includes a base secured to the top wall of the blade guide and overlying at least a portion of the arcuate blade-receiving groove and an outer extension defining an opening axially aligned with the notched region of the blade guide.

Abstract: The invention provides squaring tool comprising at least two members operatively associated with one another to form at least a 90 degree angle, wherein each member comprises at least three arms such that the arms of each member define at least two channels along each member.

Abstract: Ammunition measurement tools include a frame having a reference surface adapted to contact a first caliper jaw of a pair of calipers, a gauge element attached to the frame and movable, the gauge element defining a plurality of apertures of different selected diameters, each aperture diameter corresponding to a diameter of a selected part of a cartridge, the gauge element being operable to move to position a selected aperture in registration with a second jaw of the pair of calipers such that the distance from the aperture to the second jaw may be measured to determine a length dimension of a cartridge positioned in the aperture. The gauge element may be rotatably connected to the frame to rotate about an axis. The frame may include an attachment facility operable to secure to the jaw of a pair of calipers.