Abstract: A screw assembly, including: a removable shoulder screw including: a first screw shaft portion; a second screw shaft portion; a first threaded portion; and a first shaft edge between the first screw shaft portion and the second screw shaft portion, wherein the second screw shaft portion is between the first screw shaft portion and the first threaded portion, and wherein a diameter of the second screw shaft portion is smaller than the diameter of the first screw shaft portion; and a first removable shoulder including a first removable shoulder opening and a first removable shoulder edge, wherein the first removable shoulder opening has a diameter less than the diameter of the first screw shaft portion and is configured to engage the second screw shaft portion, and wherein the first removable shoulder edge is configured to engage the first shaft edge.

Abstract: An indicator assembly includes a fastener defining a first end, a second end opposite the first end, and an axis extending from the first end to the second end; a first indicator positioned radially outwardly of the fastener relative to the axis of the fastener; and a second indicator positioned radially outwardly of the fastener relative to the axis of the fastener, wherein the second indicator is axially in between the first indicator and the second end of the fastener upon the fastener being oriented in a first position, and wherein the second indicator is radially inwardly or radially outwardly of the first indicator upon the fastener being oriented in a second position.

Abstract: The present disclosure relates to fastener assemblies (400) for a wind turbine blade (22) to rotor hub (20) connection, wherein the fastener assembly (400) comprises a fastener (401) and one or more sleeves (410) configured to absorb the ingress of liquid into a blade root insert (220). The present disclosure also relates to wind turbine hub assemblies (1000) and associated methods (700).

Abstract: A machining tool assembly for manufacturing a firearm lower receiver includes a first and second side jig which are configured to be disposed on opposite sides of the firearm lower receiver and configured to removably attach to one another securing the firearm lower receiver therebetween. A drill block jig is removably attachable to the first and second side jigs disposed above the top surface of the firearm lower receiver, wherein the drill block jig has at least one through hole. A router support plate is disposed above and removably attachable to the first and second side jigs. A router aperture is disposed through a router support plate thickness.

Abstract: A mount is provided for mounting a plate to a frame assembly. The mount includes a generally cylindrical head extendable through an aperture the plate and having an upper surface, a lower face, an outer peripheral surface, and a mounting rail receivable in a slot of the frame member of the frame assembly. The cylindrical head includes a bolt-receiving bore extending through the cylindrical head along a bore axis at an acute angle to the upper face that is adapted to receive a bolt therethrough. A flange extends radially extending from the outer peripheral surface of the cylindrical head. The flange has a diameter greater than the diameter of at least a portion of the aperture through the plate. Tightening of the bolt captures the plate between the flange and the frame member.

Abstract: A stud locking tool is equipped with a first clip and a second clip for sandwiching a mounting member. The mounting member is mounted in a member to be mounted by locking the stud. The first clip has a hollow inner cylindrical portion inserted into a mounting hole of the mounting member. A first flange is located at one end of the inner cylinder portion, and a locking claw is formed inside the inner cylindrical portion and engages with a thread of the stud. The second clip has a hollow outer cylinder portion sized to surround the inner cylinder portion of the first clip. A second flange is located at one end of the outer cylinder portion. An engagement claw extends from the outer cylinder portion and engages the first clip. An inclined surface adjacent to the outer cylinder portion includes a stud guiding surface.

Abstract: A sprinkler assembly include a connection fitting and a fire protection sprinkler. The connection fitting includes a tubular member with a first insertion end and a second insertion end with an internal conduit extending along a longitudinal axis, the tubular member including an exterior surface and an inner surface, the inner surface defining a sealing surface between the first and second insertion ends circumscribed about the longitudinal axis, the inner surface including a gripping portion spaced from the sealing surface. The fire protection sprinkler has a body defining an inlet and an outlet with a passageway between the inlet and the outlet, a deflector spaced from the outlet, the body having an outer encasing surface surrounding the longitudinal axis and including a leading portion and a trailing portion engaged with the gripping portion, having a first retention section and a second retention section.

Abstract: A bicycle assembly can include a bicycle frame having a main frame and a sub-frame, and a shock absorber assembly. The shock absorber assembly can comprise a shock absorber and an extension body. The sub-frame can rotate in relation to the main frame and the shock absorber assembly can be used to regulate that relationship. An eccentric insert positioned functionally between the shock absorber and extension body can be used to modify the overall length of the shock absorber assembly to beneficially alter the geometry of the bicycle frame.

Abstract: A roof antenna including an antenna base with a base plate, a spindle, a driver arranged on the spindle, and a locking element having a first limb and a second limb. The first limb has a first latching hook and the second limb has a second latching hook. The first limb and the second limb extend through an aperture in the base plate. A translatory movement of the driver on the spindle is transferred into a displacement of the locking element in a displacement direction perpendicular to the base plate.

Abstract: Disclosed herein are a washing machine comprising, a first tub, a second tub disposed above the first tub, a first housing configured to cover the first tub, a second housing disposed on the first housing, and configured to cover the second tub, and a first coupling portion protruding from the second tub toward the second housing, and configured to fix the second tub on the second housing.

Abstract: A case clearance control system comprising a blade outer air seal support structure having a plurality of protrusions extending radially from the blade outer air seal support structure opposite a blade outer air seal proximate the blade outer air seal support structure; a thermal control ring coupled to the blade outer air seal support structure, the thermal control ring including a plurality of receivers configured to couple with the plurality of protrusions; a thermal break formed between the plurality of protrusions and the plurality of receivers, the thermal break configured to control heat transfer between the blade outer air seal support structure and the thermal control ring; and a plurality of flow passages formed between the blade outer air seal support structure, the thermal control ring and the plurality of protrusions, the plurality of flow passages configured to allow cooling air flow to condition the thermal control ring and maintain thermal control ring dimensions.

Abstract: A double shear attachment device with an eccentric axis and eccentric sleeves, mechanical assembly including such a device and assembling process. The attachment device comprises an eccentric axis and two eccentric sleeves to mount on the eccentric axis to correct, by an appropriate positioning in rotation of the eccentric sleeves on the eccentric axis, the possible clearances between superposed circular holes of mechanical components that have to be linked together by the attachment device, the attachment device including also blocking structure configured to block in rotation the eccentric sleeves, the attachment device thus allowing to generate a quick and clear attachment, that is able to correct clearances locally.

Abstract: A member attachment structure, in which a second member is overlapped with the first member while a large diameter hole communicates with a part of small diameter holes, is provided. At a position of the first member where the second member is not overlapped, a male screw portion inserted into the small diameter hole and extending from the small diameter hole to the base portion side is screwed into a first boss. At a position of the first member where the second member is overlapped, a tip end portion of a second boss is inserted into the large diameter hole and brought into contact with the first member, the second member is held while being overlapped with the first member, and the male screw portion inserted into the small diameter hole and extending from the small diameter hole to the base portion side is screwed into the second boss.

Abstract: A single shear attachment device with an eccentric axis and an eccentric sleeve, a mechanical assembly including such a device and an assembling process. The attachment device includes an eccentric axis as well as an eccentric sleeve intended to be mounted on the eccentric axis in order to correct, by an appropriate positioning in rotation of the eccentric sleeve on the eccentric axis, the possible clearance between superposed circular holes of mechanical components that have to be linked together by means of the attachment device, the attachment device also includes blocking means configured to be able to block in rotation the eccentric axis and the eccentric sleeve, said attachment device thus allowing to generate a quick and clear attachment, that is able to correct clearances locally.

Abstract: A coupling system includes a lower marine riser package having a connector at a bottom end and a blowout preventer having a connector at an upper end. Explosively frangible fasteners with explosively frangible nuts sealed off from the external environment are used to couple the connector on the lower marine riser package to the connector on the blowout preventer. A method for separating a lower marine riser package from a blowout preventer includes electronically triggering the detonation of a plurality of explosively frangible fasteners coupling the blowout preventer to the lower marine riser package.

Abstract: Provided is a lock, including a locking module and a driving module. The locking module includes a latch mounted on a first main body, an oblique pin ring gear mounted on a second main body and adapted to the latch. A radial thickness of the oblique pin ring gear changes continuously. A first slot is arranged on the latch. The driving module is used for driving the oblique pin ring gear to move in a circular motion, such that on the latch in a closed position the oblique pin ring gear clips to or separates from the first slot. The lock mechanism can realize inward or outward arcuate connection and planar connecting without finishing.

Abstract: Vehicle seat element for a vehicle seat having a residual spring travel adjustment device, the vehicle seat element having a first fastening eye, it being possible to introduce the residual spring travel adjustment device into the first fastening eye and the residual spring travel adjustment device having a fastening eye insert having an eccentric hole.

Abstract: A system for attaching material stack-up layers of at least two layers together using mechanical fasteners is disclosed. The material stack-up comprises at least an upper layer and a lower layer. The lower layer has a relatively constant thickness equal to or greater than 4.0 mm or may have alternating thick and thin areas in which the thickness of the thick area is equal to or greater than 4.0 mm. A mechanical fastener attaches the upper layer and the lower layer and is inserted at least partially into the lower layer. The fastener is inserted into the thick area of the embodiment having alternating thick and thin areas. The lower layer may be any of a variety of materials, including magnesium or any other brittle material. The lower layer may also be a casting, such as a magnesium casting. The mechanical fastener may be any of fasteners, screws or bolts.

Abstract: A connection system including a connection hole inserted in form of a circular hole on the part to be connected, a cylindrical hole bushing engages into the connection hole and has a screw hole thereon vertical to the surface of the part to which it is placed, a bolt is placed on the hole bushing such that the head part remains on the lower surface of the part or inside the part, a nut attached at the bolt end extending outwards the part, a washer formed of a circular base is placed between the head part and the hole bushing, a rib extends vertically over the base and is folded by compressing between the head part and the hole bushing, and prevents the head part from passing through the connection hole, and enabling two or more parts to be connected.

Abstract: The present disclosure relates to a connecting element and to a process for producing said connecting element. The present disclosure further relates to the use of said connecting element for friction-increasing connection of components to be joined in machine, plant and motor vehicle construction and energy generation.

Abstract: An energy absorption device absorbs energy that is released upon impact between two objects in relative motion. An exceptional load applied to any of the two objects results in acceleration of one object relative to the other object. The acceleration energy is absorbed by deformation of an element or elements that are put under stress from the objects upon impact. The process of deformation includes a controlled diameter reduction during a forced elongation of a semi-solid or solid deformation bolt made from a cold-formed material in the direction of force generated from the acceleration.

Abstract: A damper housing assembly is provided that includes a damper housing, a body, and a first member. The damper housing comprises a first material and the body comprises a second material that is different than the first material. The first member includes a flange and a protrusion. The flange is secured to body, the body is positioned between the damper housing and the flange, and the protrusion extends from the flange and at least partially into the damper housing.

Abstract: A vehicle includes a frame rail, a crossbeam resting atop the frame rail, a deck panel resting atop the crossbeam, an adaptor resting inside the crossbeam, and a fastener extending from atop the adaptor to the frame rail through the adaptor and the crossbeam. The deck panel includes an aperture and a bordering area around the aperture. The adaptor rises through the aperture and overtop the bordering area. The fastener overhangs the bordering area and is engaged with the adaptor overtop the bordering area, and is secured to the frame rail. The fastener thereby secures the adaptor to the frame rail against the crossbeam without tightening against the deck panel at the bordering area.

Abstract: An actuating device for a movable part, in particular a cover of a vehicle body opening, including at least one actuator and at least one electromechanical switching element. The electromechanical switching element is changeable between a first mode and a second mode. In the first mode, the electromechanical switching element senses an actuation by the actuator and in the second mode, the electromechanical switching element releases the actuator such that the actuator can be moved toward the movable part. The electromechanical switching element has an electroactive polymer and/or a piezoelectric element.

Abstract: An adjustment wheel arrangement for a shock absorber with a first adjustment wheel which is configured to connect in a torque-proof fashion to an adjustment tube of a piston rod of the shock absorber, and a second adjustment wheel which is configured to connect in a torque-proof fashion to an adjustment rod extending through the adjustment tube. The first adjustment wheel and the second adjustment wheel can be twisted relative to each other by means of a push-twist connection but are or can be connected by form-fit to each other in the axial direction. The push-twist connection is configured in the manner of a key-lock, such that the first adjustment wheel and the second adjustment wheel can be connected to or separated from each other only in a single relative orientation.

Abstract: Embodiments of lift pin assemblies and substrate supports having such lift pin assemblies are provided herein. In some embodiments, a lift pin assembly includes a body with a first end including a flange and an opposing second end; a bore through the body from the first end to the second end; a profile on an outer surface proximate a second end; and a collar, wherein the profile is configured to removably lock the collar onto the second end.

Abstract: A worktable for a laboratory automation system can include a worktop with a level surface and a support profile for supporting the worktop, bent from a metal sheet The support profile can include a facing edge, and an underside of the worktop can lie directly on the facing edge. The support profile can include at least one reception lug. The worktable can include a bolt-shaped fastener for attaching the worktop on the support profile. The bolt-shaped fastener can project through the worktop and be received in the reception lug.

Abstract: A drum type washing machine comprising a tub mounted in a cabinet and supported by a damper and a spring in the cabinet; a coupling boss protruding from a rear surface of the tub; a transit bolt configured to be coupled to the coupling boss through an insert hole formed at a rear surface of the cabinet to fix the tub to the cabinet when transporting the drum type washing machine; and an elastically deformable hole cap configured to be attached to the insert hole from an inside of the cabinet, the hole cap including a plurality of slits through which the transit bolt passes.

Abstract: A fastener includes a head portion, a leg portion, and an easily deformable portion. The head portion is formed in a cylindrical shape with an oval shape in an axial view. The leg portion has one end portion in an axial direction that is connected to a back surface of the head portion. The leg portion is formed in a hollow cylindrical shape with an oval shape in the axial view whose minor axis direction is the same as a minor axis direction of the oval shape of the head portion. The easily deformable portion is provided to a pair of major-axis leg portions which are portions crossing a major axis in the leg portion.

Abstract: A turbine engine for an aircraft which includes, in general, at least one assembly made up of a first part wherein a second part is attached with an attachment device including a milled head applied to the first part and a body engaging with the second part in order to clamp the parts. The recess of the head of such an attachment device requires a boss on the first part, which is complex and expensive to produce using conventional techniques. Such a boss can be replaced with a removable seat having an opening through which the body passes and forming a recess for the head, a bearing surface for the head, and abutment device applied to the first part in order to prevent a movement of the seat towards the second part.

Abstract: An aircraft landing gear assembly including structural members coupled via a coupling including a bearing. The bearing has a body defining a first bearing surface arranged to contact a first counter-face of the coupling. The first bearing surface is defined by a first tubular layer of fibre reinforced polymer of a first type having an axis and containing synthetic fibres of a first type wound around and along the axis of the bearing. The bearing body further has a second tubular layer of fibre reinforced polymer of a second type containing synthetic fibres of a second type wound around and along the axis of the bearing.

Abstract: A body connection and a method of manufacturing the body connection is disclosed. A body connecting sleeve is formed in two parts from a spacer sleeve arranged in an axle auxiliary frame and from a body connecting sleeve which is coupled only to the upper shell of the axle auxiliary frame and substantially corresponds to the length of the centering extension. The body connecting sleeve is coupled exclusively in a form-fitting manner to the upper shell.

Abstract: A connecting device is provided including one or more connecting elements arranged on at least one connectable part. At least one connecting element includes non-self-cutting retaining projections having a curved supporting surface in the form of an arc of a circle in longitudinal section. A groove is provided in one of the connectable parts, the groove having a curved undercut surface in the form of an arc of a circle in longitudinal section and including a base section and two undercut sections which extend away from the base section in a thickness direction. The retaining projections are engageable with the undercut sections of the groove. One or more connecting elements include or are in the form of one or more screw elements, and one or more connecting elements include one or more moveable retaining elements by means of which the parts can be drawn towards and/or pressed against each other.

Abstract: A lockable lateral adjuster mechanism comprises a platform with a channel carried by a base. A cam has an eccentric head that is pivotally disposed in the channel. The cam has a stem extending through the channel and into a counter bore in the base. The platform is laterally displaceable with respect to the base as the cam pivots. A countersunk interface is disposed between the eccentric head and the channel. A fastener extends through the cam to the base, and secures the cam, and thus the platform, to the base, and applies an axial load on the countersunk interface along an axis of rotation of the cam.

Abstract: The nut of the present invention is an encased nut including: a case body which is welded to a body; and a nut which is freely movably held inside the case body. The nut is composed of a hexagonal nut body and an insulating member made of a resin and insert-molded on the outer surface of this hexagonal nut body. The insulating member is provided with a plurality of protrusions on the side, abutting on the body, of the outer circumferential part. The nut is insulated, and thus is not affixed by electrodeposition coating.

Abstract: In a fastening structure and an accelerator pedal device using the fastening structure, a screw is inserted into a screw insertion hole of a cover from a side of the cover facing away from a housing, and the screw is screwed into a screwing hole of a fastening portion of the housing. An annular space is provided between an edge of the screw insertion hole and the fastening portion.

Abstract: The invention relates to a device for introducing force into a component of fiber composite material by means of a screw connection having a bolt-like connecting element arranged in a passage of the component. The invention is based in particular on the problem of improving the durability of the screw connection on the component of fiber composite material. The object is achieved in that the screw connection has a two-part bush (6) which borders the passage (2) of the component (1) and accommodates the connecting element (9), wherein the first and the second bush part (6.1, 6.2) of the bush (6) are designed to engage in one another in axial extension, and each bush part (6.1, 6.2) has a radially extended union collar (15.1, 15.2) with a collar side (16.1, 16.2) facing the component (1), on which side a sliding surface is formed.

Abstract: A keyboard instrument including an instrument main body having, on one side surface thereof, a first fitting section including a first fitting convex section, a first fitting concave section that is more concave than the first fitting convex section, and a first guide section provided therebetween, and a side plate which supports the one side surface of the instrument main body and has a second fitting section including a second fitting convex section corresponding to the first fitting concave section, a second fitting concave section corresponding to the first fitting convex section, and a second guide section provided therebetween so as to correspond to the first guide section, in which a vertical length of a rear side of the second fitting concave section in the side plate is larger than a vertical length of a front side of the second fitting concave section in the side plate.

Abstract: A locking member for a fastener, such as a nut or a collar, includes a shank portion and a flanged portion, a bore extending the shank portion and the flanged portion and including a first interior portion located within the shank portion and a containment cavity located within the flanged portion, and an inner wall defining the containment cavity. The containment cavity includes an inner diameter that is greater than an inner diameter of the first interior portion of the bore. The inner wall of the containment cavity includes one or a combination of flat/linear surfaces, concave surfaces, and convex surfaces.

Abstract: According to one embodiment a gas distribution assembly is provided that includes a gas distribution duct and at least one gas regulating valve mounted on the gas distribution duct. The valve is secured to the duct by use of a support supported on the duct and attachment means for attaching the valve to the support. According to one embodiment the attachment means comprises a screw threaded into a threaded sleeve and also into a threaded hole in the body of the valve. The support includes a through hole through which the sleeve passes and the sleeve includes a flange at one end that rests on the support in an area that surrounds the through hole. An end of the sleeve opposite the flange resides adjacent the threaded hole in the body of the valve.

Abstract: The present disclosure relates to an antenna module for installing at an opening of a vehicle roof, wherein the antenna module can be arranged at the opening and can be latched there via at least one spring element, wherein the fastening of the antenna module can be secured to the vehicle roof via a locking element which, in its locking position, blocks a resilient backward movement of the spring element out of the latched position.

Abstract: Installable temporary modular floor configured to be arranged on a surface to be protected so as to temporarily cover/face said surface. The floor comprises at least two panels, which are arranged side by side in adjacent positions, substantially coplanar to each other. The panels are provided on the relative sides with at least one recess that defines, with a corresponding recess made in one side of an adjacent panel, a seat. The floor also comprises at least one connecting plate, which is configured to be engaged in the seat to make the joint coupling of said panels.

Abstract: An offset bushing for a structural member may include a tubular body having a cylindrical inner surface and a cylindrical outer surface. The cylindrical inner surface may have an inner diameter defining an inner axis. The cylindrical outer surface may have an outer diameter defining an outer axis. The inner axis may be spaced apart from the outer axis to define a linear offset. The offset bushing may include a bushing indexing feature configured to align with a member indexing feature of a member when the offset bushing is installed in a member bore. Alignment of the bushing indexing feature with the member indexing feature may cause the linear offset to be oriented substantially parallel to a loading axis of a load on the member.

Abstract: An ultrasonic flaw detection jig includes a base section with which a probe of the ultrasonic inspection apparatus is brought into contact; and a prominence section provided for the base section and inserted into an inspection object hole of an inspection object. The inspection object hole includes a countersunk section connected with a main surface of the inspection object and extending from the main surface while reducing a diameter; and a connection section connecting a bottom of the countersunk section and the rear surface of the inspection object. The prominence section has a conical shape corresponding to the shape of the countersunk section.

Abstract: An interbody spacer is provided including a body portion defining a longitudinal axis. The body portion includes a distal end portion, a proximal end portion, opposed side surfaces that extend between the distal and proximal end portions, and top and bottom surfaces configured and adapted to engage vertebral bodies. The interbody spacer includes first orifices defined through the top surface. The first orifices include orifices having first and second cross-sectional configurations and the first orifices are arranged in rows extending along the longitudinal axis.

Abstract: Metal roofing includes metal roof-covering sheets or tiles having apertures along longitudinal end edges for coupling a pair of the sheets in an overlapping condition. One fastening arrangement comprises a fastener having a shaft extending in a longitudinal direction and fastening features at longitudinally spaced positions along the shaft. The fastening features may comprise a fastening peg or an opening receiving a fastening member therethrough. The pegs and openings may be combined in such a manner that at least two of the features cooperate with the apertures of the respective sheet in opposing transverse directions so as to longitudinally offset the apertures in the overlapping condition. Another fastening arrangement comprises a roof-covering sheet locating fastenings pegs which are spaced inward of the apertures in a longitudinal direction of the sheet so as to form the longitudinal offset between the respective sets of apertures.

Abstract: A threaded adjustable-height insert may be installed in a bore of a sandwich panel, such that the insert may be configured to transfer a load to the sandwich panel. The threaded adjustable-height insert may include a first insert part and a second insert part that may be selectively operatively positioned with respect to each other. The overall height of the threaded adjustable-height insert may be adjusted by longitudinally sliding the second insert part with respect to the first insert part and rotating the second insert part with respect to the first insert part. Presently disclosed threaded adjustable-height inserts may be configured for flush installation in a sandwich panel. Methods of installing such threaded adjustable-height inserts and adjusting the height of the same are also disclosed.

Abstract: A fastener system for composite structure providing electromagnetic energy protection has a shank with a threaded portion on a first end of the shank terminating in a lead-in portion. A head is present on a second end of the shank. The shank is adapted for intimate conductive contact with an inner surface of an interference fit hole.

Abstract: A fastening structure (10) includes: a resin member (14) that contains a resin material, and that has a through-hole (14H) for mounting having a tapered inner wall surface (14T); a member for fastening (16) that is made of metal, and that has a collar portion (16C) that is inserted within the through-hole (14H) for mounting and whose intermediate portion has a tapered outer wall surface (16T) that abuts the tapered inner wall surface (14T), and a flange portion (16F) that projects out along an obverse face of the resin member (14) at an end portion (16Z) at a large-diameter side of the collar portion (16C); and an adhesive (18) that is provided between the obverse face (14A) of the resin member and the flange portion (16F), and that adheres the resin member (14) and the member for fastening (16).

Abstract: An example device in accordance with an aspect of the present disclosure includes a grip to secure the device to an expansion card. The grip includes an upper grip portion to receive a fastener, and a standoff formed by a lower grip portion. The standoff is to establish a standoff distance between the expansion card and the mainboard when the device is secured to the expansion card and fastened to the mainboard.