Abstract: Bone compression systems for internal fixation of bone portions include one or more spring washers having ultra high load capacity and ultra low displacement to close diminution gaps that develop in a discontinuity between the bone portions after fixation. The spring washers may be included in implant systems with bone screws and/or bone plates.

Abstract: A fastening member for fastening two or more components, ensuring a high degree of freedom in terms of fastening positions and objects, reducing the number of holes, preventing the rotation of the components and the fastening member in one-point fastening, and maintaining high strength and resistance against vibration after fastening. Specifically, a fastening structure for fastening the first and second components, which comprises a first component, a pin that has non-helical grooves running in a circumferential direction and aligned along a longitudinal direction and whose one end in the longitudinal direction is bonded to the first component, a second component that has an insertion hole for inserting the pin, and a collar that is fitted around and bonded to the pin so that the second component is positioned between the collar and the first component, wherein said second component is prevented from rotating with respect to said pin.

Abstract: An indexing pin comprises a central axis. The indexing pin further comprises a threaded portion, extending along the central axis. The indexing pin also comprises a stem, extending along the central axis opposite the threaded portion. The indexing pin further comprises a cylindrical surface, extending along the central axis between the threaded portion and the stem. The indexing pin further comprises a tapered surface, extending between the threaded portion and the cylindrical surface. The indexing pin further comprises a flange, located between the stem and the cylindrical surface.

Abstract: An external thread member capable of performing a fastening operation efficiently without increasing the number of parts by assembling a collar into the external thread member. The external thread member 1 includes a shaft portion 5 inserted into a mounting hole 105 of a mounting member 101 through a collar 7, and the mounting member 101 is fastened to a fastening member 102. The shaft portion 5 includes a threaded portion 51 and a neck portion 52. The collar 7 is mounted on the neck portion 52 so as to be rotatable relative to each other and is engaged with the threaded portion 51 whereby retention is achieved. A counterbore hole 106 is formed in an opening close to the mounting hole 105 of an internal thread hole 104 with a tubular portion 71 inserted into the mounting hole 105 of the collar 7.

Abstract: A cap for forming a sealed cavity around an end of a fastener is disclosed. The cap has a cap body with an annular base terminating at a base rim which surrounds an opening into a central cavity. The cap also has an annular skirt providing an annular pocket between the skirt and the base. An inlet hole is provided in the skirt which is in fluid communication with the annular pocket. A protuberance protrudes in the annular pocket and faces the inlet hole to promote a flow of sealant injected through the inlet hole to flow annularly around the annular pocket.

Abstract: A cap for forming a sealed cavity around an end of a fastener protruding from a surface of a structure is disclosed. The disclosure relates to a spark prevention cap. The cap has an annular base with an annular base terminating at a base rim. The base rim surrounds an opening into a central cavity for receiving the end of the fastener. The base rim lies in a base rim plane around at least a majority of a circumference of the annular base. An annular skirt provides an annular pocket in which a sealant material is received. A biasing configuration is configured to positively bias the base rim against the surface of the structure.

Abstract: A support bearing of a vibration damper in the wheel suspension of a vehicle has a support bearing flange supported and force-fittingly attached on a body structure of the vehicle. The support bearing flange engages around an annular elastomer element in which the damper piston rod is suspended. With an annular collar which forms a hollow cylinder and the cylinder axis of which is at least approximately coincident with the longitudinal axis of the vibration damper, the support bearing flange penetrates a through-opening in the body structure so far that a nut or a support bearing cover designed as a union nut is screwed on a thread provided on the outer wall of the collar.

Abstract: A positioning device for rotating a movable tongue seat is essentially provided with a pin and a pin hole between a movable tongue seat and a cutter seat for driving the movable tongue seat. Rotating the positioning member can drive the movable tongue seat to move to a corresponding position, so that the movable tongue on the movable tongue seat can be extended and retracted from the top of the seat in an optimal position, and can be reliably controlled.

Abstract: A two section telescoping toilet mounting flange for the installation and connection of a toilet to a waste water pipe consisting of an upper male section attached to the toilet base thru toilet base mounting holes and a lower female section with threaded holes for top bolting and mounting of the toilet to a floor and plumbing.

Abstract: A gasket providing electrical conductivity between components is disclosed. The gasket comprises a body having a fastener hole extending therethrough and an electrically conductive insert lining at least part of the fastener hole in the body. The insert has a first contact face disposed for electrically contacting a first component and a second contact face disposed for electrically contacting a second component. The first contact face is in electrical communication with the second contact face.

Abstract: A one-piece, monolithic tile support mount attaches to a roof and provides rigid structural support for a lateral attachment bar or L-foot that is used to hold a height-adjustable mounting mechanism or mounting rail, which is used to attach solar photovoltaic panels to the roof of a roof covered with roofing tiles. A custom-designed, sheet-metal or polymer, aperture-less replacement tile is mounted between the lateral attachment bar or the L-foot and the tile support mount. Also provided is a compact, magnetic positioning tool that provides proper alignment of a drill bit when drilling or punching holes through the replacement tile.

Abstract: A shipping container that is configured to store, protect, and transport a dental impression is disclosed. The shipping container includes an exterior surface that encloses an interior area; a support located within the interior area that is configured to receive an impression tray that includes a patient's dental impression; and a means attached to or integrally formed with the support that is configured to hold the impression tray in place on the support and to position the impression tray in a standardized orientation. The shipping container, including its exterior surface and internal support(s), are made of a material that will not interfere with a selected non-invasive imaging scan. The shipping container is configured and used to obtain a digital scan of the dental impression, without the need to open the shipping container or directly handle the dental impression.

Abstract: In various representative aspects, an assembly for connecting and electrically bonding electronic equipment to solar panel frames is provided. More specifically, the present invention relates generally to an assembly for securing and installing micro inverter and power optimizer units for use with solar panel arrays that are typically installed on roof structures. The assembly comprises a bracket assembly that couples micro invertors and power optimizers to solar panel frames.

Abstract: A locking pin for connecting at least first and second adjacent mats of a support surface includes a body and at least one foot operatively connected to the body and configured to secure the locking pin to the mats. The foot is selectively movable from an unlocked position to at least one locked position and then, while in a locked position, selectively moveable upwardly relative to the body and the first and second mats.

Abstract: According to one embodiment, an insulated structure includes a frame comprising a plurality of wall studs coupled together and a plurality of foam boards attached to the frame to form a continuous insulative wall. A plurality of fasteners attaches the foam boards to the frame. Each fastener includes an elongate shaft and a cap. The elongate shaft is configured to penetrate through a foam board and into a wall stud to couple the components together. The cap is configured to be positioned atop a foam board to distribute a load relatively evenly to the foam board. A sealing tape is applied across seams between adjacent foam boards and over the fasteners' caps to seal the wall. A sealing caulk is applied to secondary fasteners and penetrations to seal the wall. In some embodiments, the structure has a fastener density of about 1 fastener per 243 in2 of foam board.

Abstract: According to one embodiment, an insulated structure includes a frame comprising a plurality of wall studs coupled together and a plurality of foam boards attached to the frame to form a continuous insulative wall. A plurality of fasteners attaches the foam boards to the frame. Each fastener includes an elongate shaft and a cap. The elongate shaft is configured to penetrate through a foam board and into a wall stud to couple the components together. The cap is configured to be positioned atop a foam board to distribute a load relatively evenly to the foam board. A sealing tape is applied across seams between adjacent foam boards and over the fasteners' caps to seal the wall. A sealing caulk is applied to secondary fasteners and penetrations to seal the wall. In some embodiments, the structure has a fastener density of about 1 fastener per 243 in2 of foam board.

Abstract: The present disclosure relates to non-cylindrical fastening systems and related methods, such as methods of installing a non-cylindrical fastening system. Presently disclosed non-cylindrical fastening systems may include a first fastening component and a second fastening component, where the second fastening component includes an elongate shank configured to be inserted through a hole in the first fastening component and through a hole in a structure to which the first fastening component is being secured. The holes in the first fastening component and the structure may be non-circular, and the elongate shank may be non-circular in perpendicular cross-section. Disclosed fastening systems may also include a third fastening component configured to be installed onto the elongate shank, and substantially prevent axial movement of the elongate shank with respect to the structure and/or first fastening component.

Abstract: An assembly for use with a gas turbine engine includes a tie rod and a connector. The tie rod, which is for extending radially outwardly from a latitudinal axis of the gas turbine engine, has a hollow length having a longitudinal axis and a base having a width in parallel to the latitudinal axis. The base has a counterbore disposed therein and is wider than a width of the length. The connector, for attaching the base of the tie rod to a bearing assembly of the gas turbine engine, has a hollow body having a shaft removably attaching, at a first end portion thereof, to the counterbore. The shaft and the counterbore are disposed in parallel with the longitudinal axis.

Abstract: A fixing device for fixing an electrical connection terminal to a support having a first side, a second side opposite to the first side, and defining a through hole of a first diameter. The fixing device comprises: a ring including a receiving portion partially defining an axial recess and insertable in the through hole; a dowel including an insert portion axially insertable into the recess of the ring and a locking portion axially spaced from the insert portion, the dowel partially defining an axial bore including an internal thread, and in the locking portion the internal thread of the bore is a distorted locking thread; and a fixing screw including a threaded shank engagable with the dowel. Tightening of the fixing screw draws the insert portion of the dowel axially into the recess of the ring, thereby radially expanding the ring into press-fit engagement with the through hole.

Abstract: A fastener system for composite structure providing electromagnetic energy (EME) protection incorporates a fastener having a head with an engagement surface and a shank having a threaded end. A nut is received on the threaded end of the fastener, with the nut also having an engagement surface. At least one of the head engagement surface and the nut engagement surface incorporates a reduced area portion for engagement of a first mating surface or second mating surface, respectively.

Abstract: A tile lippage removal system preferably includes a spacer post, a threaded cap and an anti-friction protection plate. The spacer post includes a base member, a spacer member and a threaded shaft. A bottom of the spacer member extends from a top of the base member. A break away connection is made between the spacer member and the base member. A bottom of the threaded shaft extends from a top of the spacer member. A plurality of grip extensions extend from an outer surface of a substantial inverted cup to allow rotation of the threaded cap. A female thread is formed in a center of the substantial inverted cup to threadably receive the threaded shaft. The anti-friction protection plate includes a round outer perimeter and a spacer opening, which is sized to receive the spacer member. The anti-friction protection plate may be used to improve existing tile lippage removal systems.

Abstract: The present invention discloses a self-piercing rivet (10), particularly a semi-hollow self-piercing rivet, with a head (12) and a shank (14) as well as a pre-perforated flat element (30) that is arranged on the shank (14) and at least part of which extends radially relative to the head (12) beyond a head radius. A production method and a joining method for said self-piercing rivet with pre-perforated flat element are also described.

Abstract: An adjustable locking pin for connecting at least first and second overlapping mats includes an elongated main body, an elastomeric seal extending around the periphery of an enlarged head of the main body and an elongated rotor threadably engaged in a bore of the main body. The rotor is rotatable through at least two 360 degree revolutions of rotation relative to the main body and includes a foot at its bottom end. The rotational adjustability of the rotor allows the first and second mats to be tightly held together.

Abstract: A removable vehicular registration plate fastener utilizes hitches that are attached to the front grill of a vehicle and hitch receivers that are attached to the vehicle's registration plate to temporarily secure the registration plate to the vehicle. The hitches are attached to the grill by a flange and a washer, which the grille is compressed between. The registration plate is secured between the receiver body and a plate attachment cap. A standoff with a ferromagnetic hitch cap is connected to the flange and is received by a hitch receiver. A magnet within the receiver body forms a magnetic bond with the hitch cap, securing the hitch within the hitch receiver. Two pairs of hitches and hitch receivers may be used for when the vehicle is not in motion, or four pairs may be used for a more secure attachment for when the vehicle is to be driven.

Abstract: A stud for mounting an enclosure having a body with a first diameter, a length, a top, and a bottom. A head is connected to the top of the cylindrical body and extends beyond an outer surface of the cylindrical body. A cylindrical extension is connected to the bottom of the cylindrical body having a second diameter less than the first diameter, and an outer surface of the cylindrical extension is threaded. The cylindrical body includes a threaded cylindrical bore having an opening in the top of the cylindrical body, and the threaded cylindrical bore extends into the cylindrical body.

Abstract: The invention provides a sealer to be used for a bolt including a sprayed preservative coating coated onto at least a threaded portion. The sealer contains a wax therein in the range of 1 to 10 mass % both inclusive.

Abstract: Disclosed herein is a washer having a substantially planar annular area defining an opening for through passage of a fastener and a non-planar area radially outwardly disposed of the planar annular area. A method for fastening a roof deck comprising inserting a fastener through a washer having a substantially planar annular area and a non-planar area radially outwardly disposed of the planar annular area and driving the fastener through the roof deck or through an opening therein. A corrugated metal roof deck system comprising a subjacent support and a corrugated metal roof supported by the support. A waster having a substantially planar annular area defining an opening for through passage of a fastener and a second non-planar area radially outwardly disposed of said planar annular area with a fastener extending through said washer through said deck and into said subjacent support.

Abstract: A self-drilling bolt and nut assembly includes a nut which has a window to permit visual inspection of the fastener thread upon engagement with the nut. The nut also includes a protective cap or receives a protective cap so that upon threadably engaging the fastener with the nut, the drill tip of the fastener is automatically received in the cap. The nut also has at one end a plurality of projections to enhance the locking engagement. The self-drilling bolt may have an integral washer and employ a clamping plate engageable against the washer.

Abstract: A through bolted connection hardware includes first and second nut-bolt-washer connectors each having a base portion and a bolt portion extending through the base portion. A threaded rod and a pair of threaded connectors bridge between the first and second nut-bolt-washer connectors. Specifically, a first bolt portion of a first nut-bolt-washer connector threadingly mates with a first threaded connector, and a second bolt portion of a second nut-bolt-washer connector threadingly mates with a second threaded connector. The threaded rod threadingly mates with the first and second threaded connectors. The assembly passed through an opening in materials to be joined and the assembly is tightened to secure the joint.

Abstract: A ferrule (10) that is intended to be cast into a concrete element, such as a concrete panel. Engaged with the ferrule (10) is a washer assembly (22) that secures a plate (19) to the concrete element (16) for the purposes of securing the concrete element (16) to an adjacent concrete element (17). The washer assembly (22) has a threaded fastener (21) that can be adjusted angularly for engagement with the ferrule (10).

Abstract: A fastener system for composite structure providing electromagnetic energy (EME) protection incorporates a fastener having a head with an engagement surface and a shank having a threaded end. A nut is received on the threaded end of the fastener, with the nut also having an engagement surface. At least one of the head engagement surface and the nut engagement surface incorporates a reduced area portion for engagement of a first mating surface or second mating surface, respectively.

Abstract: An exemplary electronic device includes a housing, a lever, and a locking device securing the lever on the housing. The housing includes a bottom plate, a top plate and a side plate connecting the bottom plate with the top plate. The locking device includes a nut having a main body extending downwardly into the lever, a screw extending upwardly through the top plate into the nut, and gaskets sandwiched between the top plate and the nut. The lever is disposed and sleeved on the nut with a gap defined between a top face of the lever and a bottom face of a head of the nut.

Abstract: The present disclosure describes a conductive fastener assembly, system, and method, wherein the fastener assembly comprises a nut having a counterbore formed therein. The counterbore is formed to maintain a sufficient gap between the nut and the protruding end of a fastener sleeve. The nut with the counterbore improves the conductive fastener system such that the need for a solid copper grid and a cap seal is reduced or eliminated.

Abstract: The present disclosure describes a conductive fastener assembly, system, and method, wherein the fastener assembly comprises a fastener, a fastener sleeve, a nut, and a lubricant coating. The lubricant coating is deposited on a distal portion of a fastener shank and is omitted from the rest of the fastener. To overcome the stresses placed on the fastener sleeve by the insertion of the fastener shank largely devoid of a lubricant coating, the fastener sleeve is reinforced by one or more of an increased thickness, a high-strength alloy, and a soft metal coating.

Abstract: A method, apparatus, and kit for adjustment of a construction unit with a rough opening. The construction unit may be a window, door, or similar construction element that requires shimming and squaring up within a rough opening. An adjustment mechanism is included that has a head section and threaded section. The head section engages the construction unit by abutment and the threaded section engages the rough opening by threaded retention. After initial embedding of the adjustment mechanism within the inner surface of the rough opening, the adjustment mechanism is rotationally engaged via a wrench for fine-tuned shimming of the construction unit.

Abstract: A connecting mechanism which is adjustable in respect of length and which retains its proper fastening function in various orientations connects a first body with a second body and includes a connecting piece, a bolt, and a nut. The connecting piece includes a circular bowl-shaped receiving groove which is open at a lower opening. The connecting flange is fastened to the first body via a threaded screw. The bolt has a spheroidal connecting head and a threaded connecting pole extending from the connecting head and protruding from the lower opening of the receiving groove to connect to and fasten the second body.

Abstract: In various implementations, a coupling system may be utilized to couple part(s) and/or reduce the transfer of vibration between coupled parts. The coupling system may include a nut with an annular recess, a damper, and/or a fastener.

Abstract: A screw fastener, for fastening a workpiece to a fixed member, including a screw having a head having circumferential knurling and a stem having a first stem portion abutting the head and second stem portion abutting the first stem portion, the first stem portion having a smooth surface and the second stem portion having threads; a fixed member having a countersink bore section for accommodating the head and a threaded bore section for engagement with the second stem portion, the countersink bore section having a larger diameter than the threaded section; and a plastic washer having a hole that allows the washer to engage with the threaded section and an outer diameter larger than the diameter of the bore; the second stem portion passing sequentially through the workpiece to be fastened, the plastic washer, the countersink bore section and engage with the threaded bore section of the fixed member.

Abstract: A fastening system for attaching cladding panels to a carrier panel and allowing for differential thermal expansion. The system fastens the two panels together at points in the direction perpendicular to the panel planes. A combination of different carrier panel hole sizes and slots fix the panels together at one point and allow the panels to expand and contract relative to each other while maintaining rectangular alignment. Wall panels and buildings constructed using the fastener are disclosed.

Abstract: A coincident fastener for use with a display unit of a configurable imaging system, comprising a screw for insertion through the display unit, wherein the screw includes a head portion, a threaded male portion at an end of the screw opposite the head portion, and an anti-rotation locking mechanism for locking the screw relative to the display unit.

Abstract: A hybrid fastener is provided in combination with a structural insert. The insert is disposed about a shank of the fastener at an unthreaded section. In another aspect, a sleeve surrounds the shank of the fastener and has apertures for receiving the insert therethrough. Methods of using the above-described hybrid fastener for securing workpieces are also disclosed.

Abstract: A washer assembly includes a threaded fastener head engaging portion and a surface engaging portion. The threaded fastener head engaging portion includes a head engaging face configured to lie in a plane substantially perpendicular to a longitudinal length of a threaded fastener passed through an opening at an axial center of the threaded fastener head engaging portion. The surface engaging portion includes a slot and a surface engaging face. The slot extends through the surface engaging portion along a line extending through an axial center of the surface engaging portion. An adjustable interface is defined between the surface engaging portion and the threaded fastener head engaging portion to enable the slot to receive the threaded fastener such that the surface engaging face lies parallel to a surface that is not perpendicular to the longitudinal length of the threaded fastener.

Abstract: A tri-lobed lug has a centrally disposed aperture which allows the lug to rotate 360° about its axis. Each lobe of the lug can be used to secure an attachment means to it. This could be a rope, strap or other similar structure. Each lobe can also be used to loop such rope, strap, bungee cord hook or other structure through an aperture defined in the lobe. When such structure is secured to the lug, the lug can align itself in a direction of maximum strength. The lug portions further comprise rounded surfaces to prevent cutting or serration of the rope, strap or other similar structure. The tri-lobed lug is also used in an assembly comprising a bolt-like element, a bushing and a nut to attach the lug to a surface. The assembly may further comprise washer-like elements to prevent damage to the surface.

Abstract: A fastening system for attaching cladding panels to a carrier panel and allowing for differential thermal expansion. The system fastens the two panels together at points in the direction perpendicular to the panel planes. A combination of different carrier panel hole sizes and slots fix the panels together at one point and allow the panels to expand and contract relative to each other while maintaining rectangular alignment. Wall panels and buildings constructed using the fastener are disclosed.

Abstract: The disclosure provides in one embodiment for a fastener comprising a cylindrical shaft, a head attached to the shaft, and two or more external longitudinal threadforms, where each threadform comprises a plurality of spaced protrusions forming a separate sinusoidal path around the shaft. When the shaft is inserted into a corresponding mating receptacle, a combination of the shaft and the mating receptacle provides two or more pitches. The disclosure further provides for a fastener assembly.

Abstract: A method and apparatus comprising providing a temporary or permanent connection of one or multiple sheets of material and providing an attachment point to hold these materials. A mating two part base and cap connected by a central tube connector that securely sandwiches sheet material between the two. The base may have additional passthrough holes for affixation to supports or ground. The connector may be threaded or frictionally attached and may optionally have thumb wings for easy turning. The connector may have one or more wings for easy manipulation. The connector may also be configured to receive various staking means including ones with eyelits or other attachment points and have pass throughs for stable engagement to other structures.

Abstract: The present application provides a self locking nut and bolt assembly for a stack of rotating wheels. The self locking nut and bolt assembly may include a tie bolt extending through the stack of rotating wheels, a locking nut positioned on a first end of the tie bolt, and a locking washer positioned on the one end of the tie bolt within the locking nut.

Abstract: A fence repair system comprising a bolt, where the bolt includes a head and a threaded end; a flat bar fastened on the bolt by the head; a washer fastened on the bolt near the threaded end; a nut threaded onto the threaded end wherein the nut secures the flat bar against a misaligned panel while the bolt is attached to an anchor panel of a fence. For use, a hole is drilled into the anchor panel. The bolt slides through the flat bar and then the bolt slides through the hole in the anchor panel. The nut is screwed onto the threaded end until the nut presses against the anchor panel. Once the fence repair system is in place the misaligned panel is secured next to the anchor panel by the flat bar. The system is held in place with the bolt and nut within the anchor panel.

Abstract: A screw fastener, for fastening a workpiece to a fixed member, including a screw having a head having circumferential knurling and a stem having a first stem portion abutting the head and second stem portion abutting the first stem portion, the first stem portion having a smooth surface and the second stem portion having threads; a fixed member having a countersink bore section for accommodating the head and a threaded bore section for engagement with the second stem portion, the countersink bore section having a larger diameter than the threaded section; and a plastic washer having a hole that allows the washer to engage with the threaded section and an outer diameter larger than the diameter of the bore; the second stem portion passing sequentially through the workpiece to be fastened, the plastic washer, the countersink bore section and engage with the threaded bore section of the fixed member.

Abstract: The integrated device of a heat dissipation unit and a package component includes a non-insulation type package component, an insulation sheet, a heat dissipation unit, a fastener, a washer and a sleeve. The non-insulation package component has a metal tab with a through hole. The insulation sheet is provided with a via hole and attached on one side of the metal tab. The heat dissipation unit is provided with a tapped hole corresponding to the through hole. The sleeve includes a narrow portion penetrating the via hole and through and a wide portion sandwiched between the insulation sheet and heat dissipation unit. When the fastener penetrates into the through hole of the metal tab and the via hole of the insulation sheet and screws into the tapped hole, the fastener will pass through the sleeve without contact with the insulation sheet due to the protection of the narrow portion in the via hole.