Abstract: Expandable collet bodies with sectional finger-based anti-rotation features are disclosed. The collet body comprises not only a plurality of gripping finger as a first part of a two-part anti-rotation means (ARM), but also a first part of a two part translation arresting means (TAM), which may or may not be sectional in nature and the TAM prevents over translation of a collet body within the work piece(s), and cooperates with a second part of the TAM associated with a work piece or an auxiliary structure. In this manner, a collet body inserted into a work piece or auxiliary structure will not accidentally be pushed beyond the blind side of the work piece(s) during insertion or initial clamp-up.

Abstract: A drive element has an internal driving profile that defines a profile axis (PI) and has, on its inner side, a plurality of concave drive surfaces arranged in a manner distributed regularly around the profile axis (PI), between which a planar or convexly curved transition surfaces are provided, or which has an external driving profile that defines a profile axis (PA) and has, on its outer side, a plurality of concave drive faces arranged in a manner distributed regularly around the profile axis (PA), between which planar or convexly curved transition surfaces are provided. Transitions between the drive surfaces and transition surfaces lie on a common inner circle with an inner diameter Di. The drive surfaces lie on outer circles of an outer diameter Da distributed uniformly around the profile axis.

Abstract: A connection element without a female thread, having a damping function, and by which two components can be connected. The connection element has an outer sleeve, a spacer sleeve, and a screw having a first outer diameter and a tolerance compensation disc positioned on the screw. The outer sleeve has an outer body having a shaft with a fastening flange at a first end and, adjacent to a second end, a folding zone which can form a compression bead. The outer sleeve has a first inner diameter and a second inner diameter smaller than the first. A first component can be supported between the fastening flange and the compression bead. The second component can be fastened, adjacent to the second end of the outer sleeve, by the sleeve. The screw and the tolerance compensation disc are positioned in the outer sleeve with radial play.

Abstract: A clip, for use with structural parts, includes a main tubular body extending along a longitudinal axis and having a bearing face intended contact a first face of the structural parts, a clamp able to pass through opposite perforations, in the parts, and being movable along the longitudinal axis, driven by the rotation of a tie rod having a tapped bore engaging a threaded end of the clamp, the clamp further including branches that are radially and progressively separable along a separator, placed between the branches and fixed relative to the main body, under the effect of the recoil of the clamp, the separator including a transverse part introduced into a longitudinal groove of the clip and rotationally blocked in a groove provided in an element that is fixed relative to the main body.

Abstract: A fastening system for aerospace vehicles including a dielectric nut retainer strip formed of dielectric material and having at least one fastener thru hole and at least one cap receiver portion. Also included are an anti-rotation nut retainer portion integrally formed in the dielectric nut retainer adjacent to the at least one fastener thru hole, a cap configured to mate with the at least one cap receiver portion, a fastener covered in a conductive coating, and an anti-rotation nut configured to fit in the anti-rotation nut retainer portion and couple with the fastener.

Abstract: A curtain cord winding device includes a base, a cord winding mechanism rotatably mounted to the base, and a drive mechanism. The cord winding mechanism includes a main reel fitted about a drive shaft of the drive mechanism, and a secondary reel. The main reel includes a first winding segment for winding a cord, and a screw segment screwed to a screw hole of the base. The main reel and the secondary reel are coaxially arranged and fixed in turn. The secondary reel includes a second winding segment, and a first connecting member. An end of the first winding segment away from the screw segment and an end of the second winding segment away from the first connecting member each is provided with a second connecting member. The first connecting member is fixed to the second connecting member in an axial direction.

Abstract: A one piece staple strip is provided, including: a plurality of staples, each of the plurality of staples including two leg portions and a crown portion connected with and between the two leg portions; a connection portion, connected with and between every neighboring two staples of the plurality of staples; and a stop portion, projecting laterally from the leg portion of each of the plurality of staples and defining a holding space with the crown portion of each of the plurality of staples, the holding space being configured to receive a cable; wherein each of the two leg portions of each of the plurality of staples includes a spike section extending from the stop portion.

Abstract: A fastener assembly is provided. The fastener assembly comprises, in one example, a sleeve in an enclosure, the sleeve including an interior threaded section and a sleeve opening with a periphery forming a closed shape. The fastener additionally includes a collet body at least partially enclosed within the sleeve, the collet body comprises at least one flexible leg including a foot mating with the sleeve opening, where the sleeve opening extends around the foot and a stud including a threaded section engaging the interior threaded section.

Abstract: A mobile refrigerator having built-in handles, comprising a box and handles. The side portions of the box are provided with recesses for accommodating the handles; each handle comprises a fixed base, a turnable handgrip, and two springs; the fixed base is connected to the box by bolts; the turnable handgrip is turnably connected to the fixed base by the two springs; the turnable handgrip comprises a grip, a first turning member, and a second turning member; the grip is connected to the first turning member and the second turning member separately by the bolts; the first turning member and the second turning member are turnably connected to the fixed base separately.

Abstract: A nut and a bolt are provided, which make it difficult to be loosened once they have been tightened. A security nut includes: a nut body having an inside screw; and a plurality of torque transmission projections provided on an outer surface of the nut body along a circumferential direction. Each torque transmission projection has a torque transmission surface provided on an upstream side in a tightening direction of the security nut, and a release surface provided on a downstream side in the tightening direction of the security nut. A ridge line is formed between the release surface and the torque transmission surface, the ridge line inclining toward the upstream side of the tightening direction along the circumferential direction, from an advancing-direction end of the nut body to a retracting-direction end of the nut body.

Abstract: An expandable washer for use with a fastener to maintain tension in the fastener after connection to a component comprises first and second disks. The first and second disks cooperatively define a channel having a dimension parallel to the expansion axis which decreases from a location remote from to a location closer to the expansion axis. The first and second disks are configured to pass the fastener through them and to the component. The fastener operatively engages the first disk for moving with the first disk and to place the fastener in tension when the fastener is connected to the component. The expandable washer further includes a cam located radially outward from the expansion axis and biased for movement toward the expansion axis to drive the first and second disks apart to maintain the application of force against the fastener.

Abstract: A small frangible device for repairing stripped or damaged holes for reinsertion of a screw or nail while reusing and maintaining the original properties of the fastener and capable of immediate use with minimal preparation. The device is characterized as having a generally elongated rounded exterior surface with a relatively narrow end and an opposite thicker end forming a tapering conical shape with a hollow interior and a textured outer surface further characterized by a plurality of non-contiguous, mis-aligned, raised, semi-spherical bumps.

Abstract: An actuator for opening and closing a door or a tailgate of a car contains a helical compression spring and a motor. The helical compression spring is provided for opening a door or the tailgate of a car when compressive forces of the helical compression spring are released. The motor is provided for compressing the helical compression spring in order to close the door or the tailgate of the car. The helical compression spring contains a helically coiled coated steel wire. The helically coiled coated steel wire contains a steel core and a metallic coating layer. The steel core contains a steel alloy. The steel alloy contains 0.8 to 0.95 wt % carbon, 0.2 to 0.9 wt % manganese; 0.1 to 1.4 wt % silicon; optionally one or more micro-alloying element. The microstructure of the steel core is drawn lamellar pearlite. The metallic coating layer contains at least 84% by mass of zinc.

Abstract: A watertight seal is provided between a pair of components by providing a clearance between studs on one of the components and holes on the other. A non-conductive bushing is located in the void between the stud and hole and has a flange at one end. A first pair of resilient gaskets is located on opposite sides of the flange. A rigid washer overlies one of the resilient gaskets and a further resilient gasket is located on the opposite side of the washer. A nut having a blind bore extending from an end face is threaded to receive the stud and an O ring is located on the fastener between an end face of the nut and the second resilient gasket to effect a seal therebetween. Upon tightening of the nut on the fastener, the gaskets are compressed to provide a seal between adjacent surfaces and the bushing maintains the fasteners spaced from the holes.

Abstract: An electronic device has a screw nut. The screw nut is configured for fixation of a fastener. The screw nut includes an inner nut component, a cushioning component, and an outer nut component. The inner nut component has a screw hole portion configured for fixation of the fastener. The cushioning component is sleeved on the inner nut component. The outer nut component is sleeved on the cushioning component. The cushioning component is connected between the inner nut component and the outer nut component so that the inner nut component is movably connected to the outer nut component.

Abstract: A connection between at least a first component A and a second component B with an attachment arrangement with tolerance compensation between the first component A and the second component B. The entire connection is fixated via a blind rivet which is not non-destructively detachable while a compensating sleeve spans a distance between the first component A and the second component B.

Abstract: An expansion anchor includes an anchor bolt and an expansion sleeve which encompasses the anchor bolt. The anchor bolt has an expansion-sleeve expansion region and an expansion-element expansion region. The expansion sleeve has an expansion element which is disposed on the expansion sleeve. The expansion sleeve is radially displaceable by the expansion-sleeve expansion region and the expansion element is radially displaceable by the expansion-element expansion region. The expansion element is disposed on the expansion sleeve on a side of the expansion sleeve that radially faces the anchor bolt.

Abstract: An assembly is provided that includes a first fastener element and a second fastener element. The first fastener element is secured to the second fastener element with bonding material. The first fastener element may be a spacer such as a washer. The second fastener element may be a fastener or a washer.

Abstract: [Problem] The purpose of the present invention is to provide an anti-loosening metallic male screw that can exhibit a sufficient anti-loosening effect by forming a flat part and a short slope in a part of the thread bottom of the male screw and thus ensuring pressure contact between a thread peak of a female screw and the slope at the thread bottom of the male screw.

Abstract: An anti-tampering device includes a housing with a bolt channel and a lock channel. The lock channel is aligned with, intersects and is perpendicular to the bolt channel. A head of a bolt and a portion of a shank of a bolt is received in the bolt channel. A lock received in the lock channel extends into the bolt channel, in proximity to the shank of the bolt, when the lock is in a locked position. The portion of the lock extending into the bolt channel prevents removal of the head of the bolt from the bolt channel.