Abstract: An electrical insulated threaded connection includes a conductive box with a plurality of internal threads, a conductive pin with a plurality of external threads, and a double-threaded electrical insulator sleeve disposed between the conductive pin and box. The double-threaded electrical insulator sleeve comprises a plurality of external threads that mate with the plurality of internal threads of the conductive box and a plurality of internal threads that mate with the plurality of external threads of the conductive pin. In certain embodiments, the double-threaded electrical insulator sleeve fills a full volume between the plurality of internal threads of the conductive box and the plurality of external threads of the conductive pin, and there are no voids or pockets between any of the mating threads.

Abstract: The present disclosure relates, according to some embodiments, to a shear pin including a cylindrical shape positioned along a vertical axis having a first end having a common diameter with a second end; the first end and containing a first clutch at a point along the vertical axis that is furthest from the second end, the first clutch containing one of a recessing shape and a protruding shape; (c) the second end containing a second clutch at a point along the vertical axis that is furthest from the first end, the second clutch containing one of a recessing shape and a protruding shape; and (d) the curved portion including a diameter that is largest where the curved portion connects to each of the first end and the second end and then narrows along the curved portion, forming a curve that culminates at a neck where the diameter is smallest.

Abstract: The invention discloses a movable locking ear and an electrical device. The electrical device comprises a frame and a movable locking ear. The frame comprises a first recess, a second recess opposite to the first recess, and a side wall between the first recess and the second recess. The movable locking ear comprises a first fastening member for fastening the first recess, a second fastening member opposite to the second fastening member for fastening the second recess, and a resisting member between the first fastening member and the second fastening member. A position of a bending end of the resisting member is near or far from the side wall depending on a distance between the first fastening member and the second fastening member.

Abstract: A sensor is used in measuring the torque applied to a slew drive. The slew drive includes a worm gear and a worm wheel and the sensor is coupled with a securing device that is used to secure the worm gear to the slew drive housing. The sensor generates a signal which is indicative of the torque on the worm wheel. The worm gear is secured to the slew drive housing by a first bearing and a second bearing. Two end plates and eight bolts are also used to further secure the worm gear and the bearings to the slew drive housing. By tightening the bolts, a compressive force is applied on the worm gear through the bearings. The applied torque on the worm wheel causes an axial force on the worm gear. The axial force is transmitted through the worm gear, the bearings, the end plates, and the bolts. One or more sensors can be embedded in one or more of the end plates or the bolts to measure the strain, in the end plates or the bolts, due to the axial force.

Abstract: The invention relates to a surgical tool and method for forming a pilot bore by inserting a guide wire into bone. The surgical tool is also constructed to insert a bone screw that is preloaded onto the surgical tool with a guide wire extending along the longitudinal axis of the bone screw. This construction allows the guide wire and the bone screw to be located and placed without removing the tool from the surgical site. More particularly, the device includes a cannulated hand grip and driving tool used for the rotation of a pedicle screw into bone. The rear portion of the hand grip includes a slide assembly that is suited to grip a guide wire. The slide assembly includes a T-handle to control the sliding movement of the guide wire. The rear surface of the slide is constructed to be impacted with a hammer or similar device.

Abstract: A clip includes a male member including a head portion and a shaft portion; a female member including a locking leg portion forming an insertion hole into which the shaft portion is inserted, and a flange portion provided in an upper periphery of the locking leg portion; and an engagement device restraining the head portion in the flange portion substantially at the same time when the locking leg portion comes to a use state by pushing the shaft portion into the insertion hole. Essential parts are the engagement device formed by a claw portion provided in one of the head portion and the flange portion, and a hole portion provided in the other of the head portion and the flange portion, and engaging the claw portion. The claw portion projects to a piece portion elastically moveable, and one portion of a hole forming portion dividing the hole portion is formed to be elastically moveable through the hole portion.

Abstract: A fastener and method for joining dissimilar materials. The fastener has a metal body and a hollow portion. The method includes the steps of: layering a thermoplastic first component with a second component such that the first component covers an opening formed through the second component; pressing the metal fastener against the first component through the opening in the second component; and heating the thermoplastic at an interface of the metal fastener and the first component so that the thermoplastic flows into the hollow portion of the metal fastener during the step of pressing. A portion of the metal fastener is thus embedded in the thermoplastic and a joint is formed that attaches the first and second components together when the thermoplastic is cooled.

Abstract: An appliance is provided herein. The appliance includes a cabinet having a wrapper, a liner, and a trim breaker. The wrapper, the liner, and the trim breaker define an insulating cavity therebetween. An insulating material is disposed within the insulating cavity. A frame includes an upper frame portion, a vertical frame portion, and a lower frame portion. The lower portion includes a top section, a bottom section, an inner section, and a front section. A door is rotationally mounted to the cabinet via an upper hinge and a lower hinge mounted to the frame.

Abstract: The present embodiments are related to a device for hot riveting by using a stud. The device may have a docking surface for the docking against a workpiece and a recess section for the shaping of a sealing head of the plastic stud. The recess section may include a cavity corresponding to the docking surface with a first depth. The device may have a compensation section arranged adjacent to the recess section, the compensation section configured to form an edge section of the plastic stud by accommodating displaced material from the sealing head of the plastic stud. The compensation section may have a second depth in relation to the docking surface, the second depth being less than the first depth.

Abstract: An orthopedic driver is provided that includes an elongate tubular body and an indicator assembly. The indicator assembly has a housing that has at least one opening and a visual indicator disposed in the at least one opening. The visual indicator is configured to be coupled with a guide pin such that lateral movement of the elongate tubular body relative to the guide pin causes the visual indicator to move between a flush or recessed configuration within the housing and an extended configuration. In the extended configuration, the visual indicator extends outward of an outer surface of the housing. The flush or recessed configuration corresponds to alignment of the guide pin relative to the elongate tubular body and the extended configuration corresponds to misalignment of the guide pin relative to the elongate tubular body.

Abstract: An ease of drive coating for a fastener is formulated from a resin having at least two different friction reducing components, such as silicone and graphite. A fastener and fastener strip include a resin formulation with at last two different friction reducing components.

Abstract: An implant for filling and/or distracting a body region, particularly a non-soft tissue cavity, has a plurality of segments wherein at least two of the segments are flexibly connected. The segments have a crush-strength sufficient to create and/or maintain the distraction of two or more non-soft tissue body surfaces, and to maintain the stability of the body region. The implant may be inserted into a cavity by an applicator having a cannula with a distal opening, and a rotary driver for applying force to move the implant within the cannula.

Abstract: A shock attenuator capable for use with a high pressure fluid line at pressures experienced by waterjet cutting systems comprises an attenuator body having an internal generally axially-extending bore extending between end regions, at least one of which is open-ended. An end plug within the open-ended region of the bore seals the bore and has a though hole for accommodating a fitting for connection to a high pressure fluid line. A closure assembly for retaining the end plug within the bore includes a first plurality of generally radially-extending tabs extending from the attenuator body and circumferentially disposed about said axis, with each of said tabs of the first plurality being separated from the next tab by a respective gap. A second plurality of generally radially-extending tabs is coupled to the end plug and circumferentially disposed about said axis, with each of said tabs also being separated from the next tab by a respective gap.

Abstract: An injection molded part accommodates a threaded fastener and includes a metal insert. The insert defines a longitudinal axis and has an end face and an outer peripheral surface. A cutout extends from the end face and through the insert to permit the threaded fastener to extend therethrough. A plastic body surrounds the outer peripheral surface and has a threaded fastener contact face. The threaded fastener contact face of the plastic, body is recessed at a recessed distance below the end face of the insert which has a spring constant with respect to the longitudinal axis. The recessed distance and the spring constant are selected to deform the insert in response to a stress force applied to the end face thereof by the threaded fastener to cause a pregiven component of the stress force to be introduced into the threaded fastener contact face of the plastic body.

Abstract: Disclosed is a cover device for a fixing portion, including a coupling hole formed at a side of the fixing portion, and a cover member rotatably coupled with the coupling hole to selectively close the fixing portion, wherein the fixing portion includes a fastening member and a fastening hole, to which the fastening member is fastened. By forming the coupling hole at a side of the fastening hole and rotatably coupling the cover member to a case member, the cover device can prevent the cover member from being lost during fastening or separating the fastening member.

Abstract: A windage shield 2 for an array of fasteners 34, the shield 2 comprising a channel 4 for accommodating portions of the fasteners 34 extending into a fluid flow path. The windage shield 2 also comprises a closure flap 12 which extends between opposite side walls 8, 10 of the channel 4 to enclose the interior of the channel 4. The closure flap 12 is displaceable away from at least one of the side walls 8, 10 to provide access to at least one of the fastener portions 34.

Abstract: A security fastener, for use with a corresponding key, having a channel in a head of the security fastener for receiving the key, the bottom of the channel being profiled wherein the depth of the channel varies along the length of the channel; a key for use with a security fastener; a combination, or a kit of parts, comprising a security fastener; a method of manufacturing a security fastener; and a method of processing an order for a security fastener.

Abstract: A gangable composite clip for attaching decking. The clip includes a bottom and a top. The bottom is made of a first material. The top is made of a second material. The first material of the bottom is different than the second material of the top. The first material of the bottom engages in the second material of the top during manufacturing so as to attach the bottom to the top and form the gangable composite clip without a need for any other means to attach the bottom to the top.

Abstract: A coated substrate and a process for forming the coated substrate, including a first lubricious coating layer overlying the substrate, the first lubricious coating layer including a first lubricant providing to the first lubricious coating layer a first coefficient of friction; and a second lubricious coating layer overlying the first lubricious coating layer, the second lubricious coating layer including a second lubricant providing to the second lubricious coating layer a second coefficient of friction, in which the second coefficient of friction is greater than the first coefficient of friction.

Abstract: A blind fastener (11) for installation in a thermoplastic workpiece, which blind fastener has a leading end face (21) which is substantially flat and non-abrasive and without drilling teeth, so that when the leading end face of the fastener is held in contact with the near face of the thermoplastic workpiece (22) and heat and pressure are applied to the contacted area of the workpiece by means of the leading end of the fastener, the fastener progressively forms a hole through the thermoplastic workpiece in which hole it can then be installed.

Abstract: An adjustable fastener includes a main body and an elastic portion. The elastic portion is connected to an end of the main body. The elastic portion is deformable thus changing a total length of the adjustable fastener.

Abstract: A device for supporting an article on a structure. The support device includes an elongate body with a head at one end, a neck, a shoulder flange, and an elongate threaded shank with threads extending therefrom. The head and/or neck may be arranged to engage the article, and the shoulder flange has a surface for engaging a corresponding surface of the structure. The elongate shank portion anchors the support device at a target site on the structure and tapers from a greatest diameter proximate to the shoulder flange to a pointed end. The initial taper is at a lesser angle to the longitudinal axis of the elongate body to a point where the angle increases, before which the threads may terminate.

Abstract: A separation fastener assembly includes a housing defining a cavity. A frangible nut is disposed in the cavity. The nut includes a plurality of nut segments. The one-piece frangible nut greatly reduces existing assembly problems and difficulties. Adjacent nut segments are interconnected at fracture lines. A bolt has an end coupled to the nut. A movable element is disposed in the housing and movable from a first position to a second position. In the first position, the nut segments are restrained from radial expansion. In the second position the nut segments are permitted to radially expand for releasing the fastener assembly.

Abstract: The thread form can provide a controlled thread stiffness which can more evenly distribute loads and can be less sensitive to changes in relative pitch. The controlled stiffness of the thread can provide a desired cantilever bending of the thread under assembled load. The thread form can utilize a traditional thread form at and/or above the pitch diameter, thereby maintaining the area of contact close to that of a standard thread form. Standard gaging implements can be used to ascertain the thread pitch and for quality control. The thread form includes a side extending between the crest and the root. The side has a first portion extending from the crest toward the root and the second portion extending from the first portion toward the root. The first and second portions extend toward the root in different orientations relative to the thread.

Abstract: A lubricating composition includes about 50 weight percent to about 70 weight percent of a blend including an olefinic resin and a wax. The lubricating composition also includes about 15 weight percent to about 30 weight percent of a fatty acid amide. The lubricating composition further includes about 10 weight percent to about 20 weight percent of a zinc salt of a fatty acid having carboxylate groups each having 8 to 24 carbon atoms.

Abstract: A fastener with a breakaway and methods of using the same. In one embodiment the fastener is a screw having a head and elongated stem, adapted to be easily manipulated by a user when using the screw as a fastener in a hinge or joint. A means of holding a screw by providing a breakaway tab or non-threaded portion of the elongated stem which can be used to align and insert the screw into a screw hole in the process of engaging threads in the screw hole with threads of the screw. After engaging the threads in the screw hole, such as after the screw has been essentially completely inserted into the screw hole, the breakaway tab or non-threaded portion of the elongated stem of the screw may be broken off at a breakaway and discarded.

Abstract: A fastening element (1) to be inserted into an opening, or bore (2) of a work piece (3) is provided having a shaft (5) that is insertable into the bore (2) and has a roughened and/or profiled surface (4), and optionally includes a stop collar (6). The fastening element (1) is preferably formed from a fiber reinforced, elastically deformable material, and its shaft (5) can be or is inserted into the bore (2) in a force-fitting manner under an elastic deformation.

Abstract: A housing structure with a protecting pad is provided, which comprises a housing body with at least one screw hole, wherein an assembling hole and a slot are respectively provided adjacent to both sides of the screw hole; and an elastic protecting pad, further including a holding lever with a snap ring, wherein the holding lever sleeves into the assembling hole in a rotatable manner and is snapped therein. The protecting pad includes a bump on the other side opposing to the holding lever, and the bump can be inserted into the slot, so that the protecting pad is covered over the screw hole. The protecting pad and the housing are cooperatively disposed, and both can be movably connected and are difficult to be shifted and detached, such that it is convenient and reliable for use.

Abstract: A biodegradable plastic of a screw-fastened portion which remains on a metal component can be decomposed and dissolved by immersing in a degradative enzyme while being joined with the metal component. Further, since the amount of the biodegradable plastic is small and a shape such as a groove is provided which can increase a contact area with the degradative enzyme, decomposition can be completed in a short time.

Abstract: An improved lockable fastener that can be employed in a circuit breaker application includes a first member and a second member that are threadably cooperable with one another and a locking member that extends between the first and second members to resist loosening of the first and second members. The second member includes a threaded shank that is threadably received in a first threaded portion of a cavity formed in the first member. The locking member includes a threaded body and a taper, with the threaded body being threadably receivable in a second threaded portion of the first member, and with the taper being at least partially receivable in a receptacle formed in the shank of the second member. The receptacle defines a seat on the shank, and the taper engages the seat to deform at least a portion of the shank into engagement with a ledge that is interposed between the first and second threaded portions of the cavity.

Abstract: A system (2, 4) for connecting releasing two elements (1) with each other, comprising a rod shaped product with a male part (4) and a female part (2) with a round section, wherein this product is integral or connectable with each element, wherein one of the parts, the male or female part, is provided with a screw thread (6) and the other part is provided with at least one protruding tooth (9), which, when the male and female parts are fit into each other, is engaged into the screw thread, wherein at least the part provided with the protruding tooth comprises a strip extending in the longitudinal direction of the part on which the protruding tooth is arranged, in such a way that, when the male and female parts are being pressed into each other, the tooth may be pressed through an elastic distortion axially onto the screw thread, and the tooth shape and the screw thread are chosen in such a way that an axial movement in the opposite direction is prevented.

Abstract: A component (20, 22) and method for a casting process, typically for cold-process casting of concrete wall, floor, ceiling or other panels or element in situ in building construction, leaving embedded in the cast panel a fastening surface (24) which can be adjustable to allow correction of non-uniform cast surfaces. The component may be integrated to conventional form-tie systems which use ties to space removable/reusable forms, holding forms a set distance apart, and can also hold a barrier material (typically expanded foam insulation) against the inner surface of a form(s) while casting is underway; when the forms are removed, leaving a component embedded providing an adjustable surface suitable for attaching material such finishing sheet material. The component can allow adjustment of its mounting surface with respect to the cast surface and to other like components in the cast panel to provide for (substantially) uniform surface for mounting finishing materials and/or fixtures.

Abstract: A releasable security fixing system comprising a bolt (3) having a head and a shank. A security nut (7) which is engageable threadingly with the shank of the bolt and a cupped collar (5) having a hole in the cupped end to fit over the shank of the bolt and having a length greater than the projecting end of the shank of the bolt when installed, and being open at the other end to receive the security nut. The security nut has a circular periphery and is provided with a plurality of grooves (77) cut into one end of the nut and extending away from said end. A complimentary key (10) is provided for fitting and releasing the nut. The shank of the bolt is such that, in use, the shank of the bolt projects beyond the security nut in its installed position, and the key having an aperture to receive the projecting end of the bolt shank.

Abstract: A cam action fastener for holding together two parts having holes formed therethrough by inserting the fastener through the holes from one side only of one of the parts. The fastener is formed from a single, elongate member having two outer portions equal in length and an intermediate portion having a length substantially shorter than the length of the two outer portions and connecting them together. The fastener is adaptable to be articulated into a doubled over shape having two unequal lengths of a single diameter for fitting through the holes of the two parts.The fastener is pressed against the outermost part in a manner that causes the unequal lengths to diverge outwardly from each other by cam action rotation of the intermediate portion of the fastener to a point where the two outer portions are spaced a distance from each other equal to the length of the intermediate portion of the fastener.

Abstract: A fluid actuated nut having a cylindrical casing engageable at an inner end with a base, the casing containing a coaxial relatively axially shiftable plunger having an inwardly opening partial central bore for threadedly receiving a shank of a bolt, a compression spring acting outwardly on the plunger and inwardly against the casing, and a fluid pressure chamber in the casing outwardly of the piston, the nut being applied by screwing the piston onto the bolt shank to the point of engagement of the inner end of the casing with the base and tightened by sequentially compressing the spring by fluid injected under pressure in the fluid chamber for shifting the casing away from the base, turning the casing to reengage the base and releasing the fluid pressure to expand the spring, and repeating the sequence as necessary to produce the desired tensile and/or compressive force, the nut being loosened by applying fluid pressure to advance the plunger for compressing the spring and disengaging the casing from the base

Abstract: A device for indicating when a lug nut has come loose on an automobile wheel. In one embodiment, the device operates by detecting relative movement between the lug nut and the axle stud on which it is mounted. In a second embodiment, the detected relative movement is between the lug nut and the wheel itself. In the preferred embodiment, the device has a first member with an open-ended channel and second and third members slideably received in it. The second member operates in cooperation with the sides of the channel and one of the springs to hold the third member in a retracted or cocked position when the lug nut is in its preferred, tight position against the wheel. Thereafter, should the lug nut come loose and move relative to the stud, the second member will follow or move under the force of its spring outwardly to maintain contact with the free end of the stud.

Abstract: A combination of a truck bed having side walls with an upper edge and a flange on the inner side extending downwardly from the upper edge, a liner for the bed having side walls positioned along the inner side of the flanges on the bed side wall, and a plurality of fixtures slidably securing the liner side walls to the respective flanges. The fixtures include a bracket seated on the inner side of the respective flange and on the outer surface of the liner side wall and screws, preferably of the self-tapping type, extending through the adjacent liner side wall into the bracket to hold the respective side wall against the flange in slidable relationship.

Abstract: An elevator cab is constructed of thin, somewhat semirigid skeleton. Panels, made of expanded core plastic, or honeycomb paper, are attached to the skeleton, thereby forming a very light and rigid cab. These panels are attached by means of releasable hook-like fasteners, thus permitting selective removal of the panels from the skeleton. Due to strategic location of the fasteners on the skeleton, the panels, when attached to the skeleton, create a rigid cab.

Abstract: An elevator cab is constructed of a thin, somewhat semirigid skeleton. Expanded core plastic panels are attached to the skeleton, thereby forming a very light and rigid cab. These panels are attached by means of releasable hook-like fasteners, thus permitting selective removal of the panels from the skeleton. Due to strategic location of the fasteners on the skeleton, the panels, when attached to the skeleton, create a rigid cab.

Abstract: A device for use with a toggle bolt of the type having a toggle threadable to a bolt. The device comprises a spool which has an opening for receiving the bolt therethrough. Connected to the spool is a leg member for extending along the bolt such that the toggle is guided by the leg member as the toggle is engaged by the bolt. The spool fits in the hole in a securing member through which the bolt extends to fix the bolt with respect to the securing member.

Abstract: A guard for a mine roof bolt assembly is disclosed. The guard consists of a cap having a cavity into which the mine roof bolt head is inserted. The cavity wall includes serrations which grip the bolt head and secure the guard on it. A continuous annular skirt depends from the cap and extends outward to completely cover the bolt plate. The skirt curves in the radial direction towards the plate so that the guard presents a substantially smooth curved surface to a passing miner. The skirt includes cut-outs corresponding to the positions of hanger loops on the bolt plate. The guards may also include luminescent or colored material.

Abstract: A hydraulic nut or washer or bolt head comprises piston means let into the recessed end-face of a body. Means for applying hydraulic pressure to a chamber or chambers behind the body are provided to urge the piston means in a direction which leads out of the end face. The piston means has an overall dimension in a first transverse direction which is less than the least possible overall dimension of an annular piston giving the same piston face area and having an overall dimension in another transverse direction, at right angles to the first, which is less than the least overall major dimension for a pair of opposed circular pistons giving the same piston face area. A sealing member comprising a layer of moulded deformable substantially incompressible material on a former is provided in the chamber to contain the hydraulic fluid.