Abstract: A fixed blade knife includes a first scale having a first scale inner surface and a second scale opposed to the first scale having a second scale inner surface. A blade has a cutting edge that extends from the first and second scales and a tang that extends between the first scale inner surface and the second scale inner surface. A first recess in the first scale inner surface extends from the first scale inner surface partially through the first scale, and a first flange is around at least a portion of the first recess in the first scale inner surface. A first boss extends from the tang of the blade into the first recess in the first scale inner surface, and a perimeter of the first boss increases away from the tang of the blade.

Abstract: A tubular sleeve is provided, in particular for use as a force-absorbing sleeve. The sleeve includes a casing wall having a through-opening, wherein the sleeve is formed from plastic, and a modulus of elasticity of the plastic is between 15,000 MPa and 25,000 MPa.

Abstract: A bracket set may include an inner frame member comprising: a first barrier-facing surface configured to contact an inner-facing side of the movable barrier; a first panel-facing surface configured to contact a first side of the first panel having the first thickness; a second panel-facing surface configured to contact a first side of the second panel having the second thickness; and an outer frame member comprising: a second barrier-facing surface configured to contact an outer-facing side of the movable barrier; and a third panel-facing surface configured to contact an opposing second side of the first panel having the first thickness when the bracket set is used with the first panel and configured to contact an opposing second side of the second panel having the second thickness when the bracket set is used with the second panel.

Abstract: A fastener includes a head, a tail, and a body disposed between the head and the tail. The body includes a first portion that includes a lattice structure and a second portion that includes a solid structure. The second portion has an axial length that is greater than an axial length of the first portion. The lattice structure is configured to fracture under a predetermined loading condition.

Abstract: A hydraulic screw tensioning device includes a tubular body, with a through opening and an annular cylinder chamber surrounding the through opening and a tubular piston movably supported in the tubular body and connectable to a screw to be tensioned. The tubular piston includes a stepped outer portion and divides the annular cylinder chamber into a first pressure chamber and a second pressure chamber. The second pressure chamber is closed by an annular end cap secured to the tubular body. The first pressure chamber is connectable to a pressure source for hydraulic fluid. The second pressure chamber is connectable to a pressure source for a compressible medium via a conduit connector mounted on the annular end cap. The conduit connector extends radially in relation to a geometric axis (A-A) of the tubular body. A damage protecting structure is provided to protect the conduit connector against accidental physical damage.

Abstract: A fastener assembly to be used in the construction of semi-trailers consisting of a first fastener having a head and a shank, a mating second fastener, and a plurality of axially extending knurls formed on the shank. The knurls engage in a hole for receiving the first fastener to prevent rotation and removal of the first fastener. The first fastener may also be provided with an encapsulating cover with two sealing points on its underside to seal the fastener to a surface through which the fastener is inserted.

Abstract: A description is given of a bearing unit of a vehicle subassembly, wherein the vehicle subassembly has a vehicle-mounted support, in particular a vehicle steering wheel (10), and a component which is to be fastened on the support, in particular an airbag module. The baring unit comprises at least one adjustable spacer element (14a, 14b, 14c) for orienting the position of the component on the support. Also provided are a bearing unit having a plurality of spacer elements (14a) which can be adjusted independently of one another and a steering wheel subassembly having a vehicle steering wheel (10) and an airbag module, wherein the vehicle steering wheel (10) and the airbag module are connected to each other by the bearing unit. The invention additionally relates to a method for producing a vehicle subassembly having a vehicle-mounted support, a component which is to be fastened on the support and at least one bearing unit.

Abstract: A flexible bracket for forming a joint assembly between two furniture members includes a fastener head seat, a first arm extending laterally of the fastener head seat in a first direction and a second arm extending laterally of the fastener head seat in a second direction. The first and second arms each have valley portions adjacent the fastener head seat and distal portions laterally outward of the valley portions. The valley portions are disposed below the plane of the fastener head seat while distal portions are disposed above the fastener head seat. The flexible bracket also includes a slotted aperture having a head receiving portion and a slot portion, the slot portion dimensioned to enable a head of a headed fastener to slide within the slot portion from the fastener head receiving portion to the fastener head seat without disengaging the slot portion. The first arm valley portion impedes the head of the headed fastener from exiting the fastener head seat.

Abstract: A navel retainer and related techniques are disclosed. The retainer may be configured to be deployed within a navel such that its body portion interfaces with tissue therein. In some embodiments, the retainer may include an adjustment mechanism configured to expand and collapse the size and, optionally, geometry of the body portion. In some embodiments, the retainer may be a resilient element, allowing it to be temporarily compressed and subsequently allowed to expand in size, in some cases also optionally changing its geometry. In either manner, the retainer may be adjusted in size and/or geometry to buttress the tissue of the navel, minimizing or otherwise reducing opportunity for navel contracture during a healing process. After a desired navel size and shape are achieved, a separate maintenance device optionally may be deployed within the navel. The retainer optionally may be configured to host or otherwise serve as a navel adornment.

Abstract: A tolerance compensating element for a device for connecting components by a connecting screw, includes an inner and an outer threaded part (10, 12), which are in threaded engagement with one another and, together, form a length-adjustable spacer (14), and a sleeve (30) which is held in the inner threaded part (10) and holds a spring element (34) in a position in which it comes into frictional contact with the circumference of the inserted connecting screw, and an unscrew protection device (44) in the form of a ring that is rotatably supported at one end of the spacer (14) and includes at least one arm (48) which projects axially into the sleeve (30) and, at the free end, forms an outwardly cranked claw (50) against which a stop (54) formed on the sleeve (30) abuts when a maximum unscrewing distance of the inner threaded part (10) is reached.

Abstract: Disclosed herein is a washer assembly for use with a bone. The washer assembly comprises a first portion, comprising a first washer, a first stem non-movably fixed to and extending from the first washer, and a first internal channel defined by the first washer and the first stem. The washer additionally includes a second portion, comprising a second washer, a second stem non-movably fixed to and extending from the second washer, and a second internal channel defined by the second washer and the second stem. The first portion is movable relative to the second portion, to adjust a distance between the first washer and the second washer, and the first internal channel of the first washer is retained in coaxial alignment with the second internal channel of the second washer as the first portion moves relative to the second portion.

Abstract: A conductive sleeved fastener assembly includes an electrically-conductive fastener having a fastener head and a fastener shank extending from the fastener head and an electrically-conductive fastener sleeve receiving the fastener shank of the fastener and a fastener sleeve flange provided on the fastener sleeve and disposed in direct contact with the fastener head of the fastener. A method of preparing a conductive sleeved fastener for use is also disclosed.

Abstract: A composite compression limiter (44) includes a cylindrical body (46) extending axially with an aperture (48) extending axially therethrough to receive a fastener (18), the body (46) being made of a continuous fiber polymeric tape reinforced by a plurality of fibers ranging from approximately 20% to approximately 65% by weight.

Abstract: An assembly (110) comprising a core (113) and at least a first sheet (111) held on one side of the core by a rivet (120), the rivet having two ends (121, 122). At least a first one of these ends (121, 122) is flared in shape and extends at least through the entire thickness of the first sheet (111, 112). A method of fabricating such an assembly, in which: a core (113) and a first sheet (111) are provided; the first sheet (111) is placed on one side of the core (113); and the core (113) and the first sheet (111) are riveted together.

Abstract: A condylar fracture fixation system for use with an intramedullary nail includes a longitudinally extending rod having first and second ends, each end having outwardly extending threads or ridges. The rod extends along a first longitudinal axis which extends in a medial-lateral direction in use. A first and second nut is provided each nut having first and second ends. The second end of each nut having an opening formed by a plurality of resilient legs for respectively receiving the first and second ends of the rod. The second end of the first and second nuts include ridges or threads extending into the opening in each nut. The inwardly extending ridges of nuts respectively engaging the outwardly extending threads or ridges of the rod. A flexible washer is connected to the first end of each nut.

Abstract: A sacral fixation implant can include at least one implant segment, a guide wire, and at least one locking member that is configured to fix the implant segment to the guide wire. The implant segment can be configured to be secured to an ilium bone, and the guide wire can be configured to be secured to the sacrum. The implant can include first and second implant segments that are configured to be secured to opposed ilium bones, such that a first locking member is configured to fix the first implant segment to the guide wire, and a second locking member is configured to fix the second implant segment to the guide wire.

Abstract: In an illustrative embodiment, an insert apparatus for creating an attachment point in an aircraft panel includes a flange insert configured for bonding against an inner surface of a skin of the aircraft panel such that a portion of a load from a component mounted to the attachment point is distributed through the skin. The flange insert may include a wide flange, a bore, and a central opening through the wide flange and the bore, and a nut including an enlarged end and a shaft, where the nut is disposed in the central opening of the flange such that the enlarged end is proximate the wide flange and the shaft extends along the bore. Upon bonding to the aircraft panel, the bore may extend from an underside of the wide flange to proximate an outer surface of the skin of the aircraft panel.

Abstract: Systems and associated methods for repairing first and second bone fragments include a bone compression device characterized by an elongated fastener and an anchor. The fastener includes an externally-threaded shank, an enlarged head, and a bore extending through both. The anchor includes an internally-threaded bore configured to receive the threaded shank of the fastener at a first end of the anchor, and an enlarged shoulder at a second end. The fastener inserts fittedly into a first bore formed in the first and second bone fragments, with the head engaging a rim of the first bore. The anchor inserts fittedly into a second bore formed in the second bone fragment, the anchor shoulder engaging a rim of the second bore. During compression of the bone segments, a small space is maintained between the second end of the anchor and an intersection of the first bore and the second bore.

Abstract: Sacral fixation implants can include first and second implant segments. One of the first and second implant segments is received in the other of the first and second implant segments, and the first and segments can be fixed with respect to movement toward and away from each other, thereby stabilizing a sacral fracture.

Abstract: Orthopedic implants capable of compressing adjacent bone segments into which they are inserted, effective for the fusion, management and repair of bone joints and bone fractures, and methods for their installation, are described. One embodiment of such implants includes an elongated shaft coated to encourage bony in-growth, having a non-round cross section, and a flange at one end, which is laterally inserted into a preformed insertion path formed in adjacent bone segments traversing a joint or fracture location, to the point where further insertion is blocked by the flange intersecting one of the bone segments. The other end of the shaft may have a portion of male thread protruding out of the insertion path in the second of the bone fragments and adapted to be mated to a fastener having female thread.

Abstract: An adjustable tower stud assembly is disclosed for securing an object, such as a roof rack, to an external panel such as the roof of a vehicle. The object requires more support than can be provided by the external panel and it is also connected to a sub-surface support. Upper and lower collared studs are connected by a threaded connection that allows the length of the tower stud assembly to be adjusted. Stops on a lower collar ground the tower stud assembly to the sub-surface support after the tower stud assembly is adjusted to the proper length.

Abstract: A hanger is disclosed that has a movable component and a bracket. The movable component has a shaft with a threaded portion, a slider connected to the shaft, and a cap configured to join with the threaded portion. The bracket defines a racetrack aperture and an ingress/egress aperture. The racetrack aperture and the ingress/egress aperture are connected.

Abstract: A rivet nut unit is disclosed. An exemplary embodiment of the present invention provides a rivet nut unit bonding at least one plate by being riveted to the plate and fastened with a bolt that may include: a head portion supported on an upper surface of the plate at a position corresponding to a processed hole in the plate, and formed with a penetration hole in the middle thereof corresponding to the hole; and an insertion portion extended from one side of the head portion, inserted into the hole, and formed with at least one slot and a protruding end bent to a lower surface of the plate for coupling the head portion to the plate while riveting the plate.

Abstract: A lumbar occluding device or patch is disclosed for reducing Type II endoleaks in connection with endovascular aneurysm repair (EVAR) of aortic aneurisms. The lumbar occluding patch can be applied to a vessel wall and, more particularly, the posterior wall of the aortic artery in the location of the abdominal aneurysm to block or occlude an array of lumbar artery ostia concurrent with or following a stent graft deployment in an EVAR procedure.

Abstract: In accordance with a first aspect of the present disclosure, a motor vehicle airbag occupant restraint system fastener includes a metal clip, a first thermoplastic connector, a second thermoplastic connector, and a thermoplastic tether. The thermoplastic tether extends between the first and second thermoplastic connectors. Opposing ends of the thermoplastic tether are seamlessly integrated into the first and second thermoplastic connectors, respectively. The first and second thermoplastic connectors are formed of a first material and the thermoplastic tether is formed of a second material that is different from the first.

Abstract: A component connection arrangement and a method of connecting components is provided in which a first component having a projecting male fixing element is connected to a second component in a friction-locking manner by a sleeve-like or cap-like clip element snapped on the male fixing element, with the clip element being clamped between the male fixing element and a female fixing element provided on or in the second component.

Abstract: Included is a first component having a base outer surface. Also included is a plurality of elastically deformable protrusions extending from the base outer surface of the first component. Further included is a second component having a pocket portion configured to receive the first component therein, the pocket portion defined by a base wall and at least one sidewall extending from the base wall. Yet further included is a plurality of receiving structures defined by the base wall of the pocket portion and configured to receive the plurality of elastically deformable protrusions, wherein the plurality of elastically deformable protrusions is configured to elastically deform upon insertion to the plurality of receiving structures.

Abstract: A fixing mechanism disclosed in the present invention includes a body, a contact portion and an airtight sealing component. The body has a hollow structure and a first end and a second end. The first end is opposite to the second end. The first end passes through an open hole formed on a first object to insert into a positioning portion disposed on a second object, and an outer surface of the body is engaged with an inner surface of the positioning portion in a linear contacting manner. The contact portion is disposed on the second end. The contact portion contacts against a side of the first object opposite to the second object when the body passes through the first object and the second object. The airtight sealing component is disposed on the second end to seal the hollow structure, to prevent external gas from flowing into the hollow structure.

Abstract: An electronic device may have a housing in which electronic components are mounted. The electronic components may be mounted to a substrate such as a printed circuit board. A heat sink structure may dissipate heat generated by the electronic components. The housing may have a housing wall that is separated from the heat sink structure by an air gap. The housing wall may have integral support structures. Each of the support structures may have an inwardly protruding portion that protrudes through a corresponding opening in the heat sink structure. The protruding portions may each have a longitudinal axis and a cylindrical cavity that lies along the longitudinal axis. Each of the support structures may have fins that extend radially outward from the longitudinal axis.

Abstract: A riveting structure includes a first workpiece defining a first fixing hole, a second workpiece defining a second fixing hole, a first riveting member and a second riveting member. The first riveting member includes a first head portion and a first riveting portion, the first riveting member defines a riveting hole on the first riveting portion, the first riveting portion extends into the second fixing hole and the first fixing hole. The second riveting member includes a second head portion and a second riveting portion. The second riveting portion extends into the riveting hole of the first riveting member in an interference fit, such that the first workpiece and the second workpiece are fixed together, a receiving chamber is formed between the second head portion and the first riveting portion. The present invention further discloses a riveting method thereof.

Abstract: A positioning apparatus for positioning an object in respective axis directions of an X-axis, a Y-axis perpendicular to the X-axis, and a Z-axis orthogonal to the X-axis and the Y-axis and positioning the object around the Z-axis within a plane parallel to the X-axis and the Y-axis is provided. A fastener detachably fastens the retainer. A gap is formed between a first reference surface of the retainer and the second reference surface of the fastener when a fixing shaft of the retainer is inserted into a fixing hole of the fastener, an outer surface of a pyramid part of the fixing shaft fits to an inner surface of the fixing hole and the object is positioned in the X-axis direction and the Y-axis direction.

Abstract: A centering clip device can include a clip base having an opening for receiving a clip. The clip base can have a top surface that has a first bump, a second bump and a third bump all spaced away from each other. A clip can be included that has a substantially elongated body, a bottom flange formed on a bottom end of the clip, a top flange, an annular slot formed between the top flange and the bottom flange, and an umbrella structure. The top flange may also be formed as an umbrella structure having an inclined camming surface formed on its lower surface. The clip base can be configured to releasably engage the clip within the clip base. The camming surface can be biased against the first, second and third bumps to center the clip within the clip base, and permit connection between a first vehicle component, such as a roofliner, to a second vehicle component, such as a roof frame.

Abstract: A sleeve interference fastener including a conformable sleeve, wherein the conformable sleeve is comprised of at least one first material having a hardness of X, and a pin member, wherein the pin member is comprised of at least one second material having a hardness of Y, wherein X is sufficiently less than Y so that, in an installed position of an interference fit, at least a portion of the at least one first material of the conformable sleeve conforms to a contour of an inner surface of a hole of a composite structure so as to create a continuous electrical contact at an interface between the inner surface of the hole of the composite structure and the conformable sleeve.

Abstract: A clinch-type fastener is formed by simultaneously creating an undercut during the same forging that creates the head and displacer of the fastener. A fastener blank is compressed end-to-end between top and bottom dies whereby the axial compression of a blank causes the outward bulging of the shank at its midline. Simultaneously, a tapered end point and a tangential interference band are formed provided by a curvilinear-shaped bulge in the shank. As the bulge is formed an undercut is created between the bulge and a shoulder which extends downwardly from a head of the fastener. This method of formation and the fastener produced thereby are particularly suited to the manufacture of small clinch pins having a diameter in the range of 1.0 mm.

Abstract: Various exemplary embodiments relate to a tuning element assembly and method for tuning an a radio frequency (RF) component, where the component has one or more walls defining a cavity, with at least one wall having at least one bore hole. A bushing is mounted in the bore hole in the wall, and a tuning element is slidably mounted and received in the bushing so that the tuning element projects inwardly through the bushing and into the cavity and is axially adjustable. A method of tuning an RF component also includes providing a bushing mounted in a bore in a wall of the RF component, sliding a tuning element that is slidably mounted and received in the bushing so that the tuning element projects inwardly through the bushing and into the cavity by a distance varying according to the sliding of the tuning element, monitoring a performance characteristic of the RF component, and releasing the tuning element so that a desired performance characteristic is achieved.

Abstract: An electronic device includes a fan including a frame, an enclosure, and many fixing members engaged with the enclosure to fix the fan in the enclosure. The frame includes many mounting holes positioned in corners of the frame, respectively. The enclosure includes many sidewalls and many fixing members corresponding to the mounting holes. Each fixing member includes a base, a fixing portion extending from a top surface of the base, an angle shaped clasping portion extending from a sidewall of the base. Each base includes a locating block received in a corresponding locating member, and at least one fixing arms abuts against the corresponding locating member. Each fixing portion extends through the locating member and is received in a corresponding mounting hole. Each clasping portion extends through the corresponding locating member and clasps an inner wall of the corresponding mounting hole.

Abstract: The invention relates to a plug connector (1) for hollow profiles (4) in spacer frames for insulated glass panes. The plug connector (1) comprises at least two connector parts (2, 3) which may be plugged together and which have an essentially U-shaped or rectangular cross-section, which, in the plugged position, have adjacent side walls (6,17) and a positive fit (9). One connector part (2) has at least one retainer element (12) on the side walls (6) thereof (12) with a corresponding wall opening (13). In order to form the positive connection (9), the other connector part (3) has a projection (10) with a positive fit engagement in the wall opening (13) of the retainer element (12) when in the plugged position.

Abstract: A mount for a machine includes a mounting member having an insertion portion and a shoulder portion. During assembly, the insertion portion is swaged into an opening in the frame. A mating member attached to a machine structure is seated on the shoulder portion, and a cap may be attached to the shoulder portion such that the mating member is disposed between the cap and the shoulder portion.

Abstract: A fire protection device has a panel having a plurality of channels formed there through. A plurality of containers is used for holding a fire suppression material. Each container is placed in one of the plurality of channels. An attachment device is used for removably coupling the fire protection device to a structure to be protected.

Abstract: A fastener adapted to pass through aligned holes through workpieces is disclosed. The fastener includes a pin member having a transition portion wherein the diameter of the transition portion decreases radially as it extends from the smooth cylindrical shank portion to the threaded portion. The fastener may also comprise a sleeve member and a clamping means. The clamping means includes a collar, a nut, or any other possible clamping means. In exemplary embodiments, the workpieces can be formed with a plurality of materials, the materials including composite, metallic, or composite/metallic structures, any combination thereof. In particular embodiments, the fastener has interference capability of 0.0005 to 0.0100 inches in composite structures without risk of composite delamination or damage. As a result of the fastener interference, gaps between the fastener and the structure are eliminated thereby providing good electrical conductivity between components.

Abstract: Fixing a framing plate to a support structure, using one or more anchor bolts embedded within the support structure. A first hole drilled into the plate is to an oversize diameter which accepts a threaded sleeve. The threaded sleeve extends an effective length of the anchor bolt and may comprise a drive head and an interference member, which engages the plate directly or through a washer to fix the plate to the support structure.

Abstract: A fastener kit includes male clips that include bodies having a tapered bottom tip having a cone shape and an upper portion with a diameter equal to a bottom tip maximum diameter. A striking region is monolithically formed with the upper portion, has a greater diameter than the upper portion, and has a downwardly sloping outer edge. Female clips that are engageable about the male clips have cylindrical bodies provided with an axial bore extending therealong, an open end, and a closed end. The female body has a striking region formed at the closed end having a planar surface with an outwardly beveled outer edge. Selected female bodies have a fluted outer surface. The bore of the female body has a fluted interior surface for interlocking with the male body. Annular seals that are engageable about the male clips have beveled outer edges sloping away from a center thereof.

Abstract: A tubular beam assembly having a tubular member with first and second spaced apart sides and an internal portion. The first side has an insertion opening and a first fastener receiving opening that open into each other. The second side has a second fastener receiving opening and a shoulder defining opening that open into each other. A reinforcement sleeve includes a fastener receiving sleeve portion and a protrusion that supports the reinforcement sleeve in a fastener receiving position within the internal portion of the tubular member. The protrusion is supported by one or both of the insertion opening and the shoulder defining opening. The fastener receiving sleeve portion is aligned with the first and second fastener receiving openings when the reinforcement sleeve is in the fastener receiving position.

Abstract: The present invention relates to a U-nut comprising, a substrate including a flex area wherein the substrate and the flex area include a polymer, a first substrate segment, a second substrate segment, and a flex area, wherein the first substrate segment and the second substrate segment are located adjacent to the flex area; a retainer located on the first substrate segment; and an acceptor located on the second substrate segment.

Abstract: A fastener assembly includes a bolt having first and second ends and comprising a bolt head at the first end, a first shank portion having a smooth circumferential surface of a first diameter and a second shank portion coaxial with the first shank portion and of a second diameter smaller than the first diameter. At least a part of the second shank portion is externally screw threaded and the first shank portion is positioned between the bolt head and the second shank portion. A nut has first and second ends and includes a first bore extending from the first end of the nut and of a diameter greater than the first diameter for fitting over part of the first shank portion of the bolt, and, in the region of the second end, a screw threaded bore for screw threaded engagement with the screw threaded second shank portion, the screw threaded bore being coaxial with and leading into the first bore.

Abstract: A system (150) and method of tensioning a bolt (44) across a flange assembly (42). A tensioning apparatus (40) includes the bolt and an unthreaded nut (48) connected to the shank member by an interference fit. The interference fit may be selectively relaxed by applying a fluid pressure to a groove (54) between the nut and the bolt. A tensioner (58) is energized by a pressure to pre-load the bolt by pulling on the bolt while pushing on the nut while the interference fit is sufficiently relaxed to allow relative movement between the nut and the bolt. The tensioner is sized to achieve the required pre-load in the bolt at the same working fluid pressure that is necessary to relax the interference fit on the stretched bolt, thus permitting a single pressure source (148) to be used for both functions.

Abstract: A vibration and heat insulating board fixed so as to cover at least part of a heat source while forming a gap against the heat source surface, in order to lessen diffusion of heat from the heat source fixed in a vibration source, in which the heat source and the vibration and heat insulating board are coupled by means of a collar member having a pair of locking pieces fitted to the vibration and heat insulating board main body and bolted to a mounting part of the heat source, and ring-shaped coil members interposed between the pair of locking pieces of the collar member and the vibration and heat insulating board main body.

Abstract: A fastener assembly for securing a first molded component to a second molded component is provided. The fastener assembly includes a stud that is a molded part of the first component and extends outward from the first component and a cylindrical wall that is a molded part of the second component. A longitudinal bore is defined by the cylindrical wall and at least one flute extends radially from the cylindrical wall into the bore and longitudinally along the cylindrical wall in a helical manner. The flute secures the stud in the bore of the cylindrical wall upon insertion of the stud into the bore. A method of fastening a first component to a second component is also provided.

Abstract: A fixing device for a printed circuit board (PCB) is comprised of a shaft, an elastic washer and a fixing pillar for fixing the PCB on a shell. This device has the functions of fixing, vibration buffer, and preventing electromagnetic interference (EMI). According to the invention, the shaft penetrates through the PCB and the elastic washer and connects to the fixing pillar on a shell, thereby fixing the PCB onto the shell. The elastic washer is elastic such that it can absorb external vibrations and reduce damages to the PCB. By putting the elastic washer into contact with the PCB, the electromagnetic wave is guided to the shell, thus avoiding the EMI.

Abstract: A single piece coupling device for connecting a load component to a rotatable shaft. The device comprises a sleeve having a bore for containing a rotatable shaft, an externally threaded portion and a tapered engagement face on the outer surface of the sleeve. Radial compression relief associated with the tapered engagement face is provided such that when the device is fitted on a shaft, and as the threaded portion engages with a corresponding threaded region on the load component, the tapered engagement face engages the load component and the compression relief enables the sleeve to be radially compressed to grip the shaft.