Abstract: An attachment element for assembly on a tubular element including an upper assembly sheet metal which includes in its outer end a transversal, upward directed mounting flange in relation to the assembly sheet metal which includes a cut out geometry, a lower sheet metal, a spacer element which link the upper assembly sheet metal together with the lower sheet metal in its interior ends and the spacer element includes attachment devices provided on both sides of an abutting section of the tubular element. The spacer element includes a wavelike geometry design which form the abutting section and the attachment devices. A galvanized barrel nut barrel nut including a barrel with a first and second interior diameter is also disclosed.

Abstract: A torque limiting fastener comprises a body. The body defines a first body portion and a second body portion that extend from a first end of the body to a second end of the body. The body comprises an inner surface extending from the first end of the body to the second end of the body. The body further comprises an outer surface extending from the first end of the body to the second end of the body. The body yet further comprises an inner threadform extending substantially along a length of the inner surface of the second body portion and a controlled break region. The controlled break region is disposed at an intersection of the first body portion and the second body portion. The controlled break region includes an outer surface break point formed into the outer surface and an inner surface break point formed into the inner surface.

Abstract: A shearing fastener for sealing a fastener hole in a work piece includes a shank, a plug, and a fastener head. The fastener head is disposed along the upper end of the shank, while the lower end of the shank further includes a transition section that tapers inward and intersects with an upper surface of the plug at a neck. The plug has a threaded outer surface and an outer diameter greater than the shank. The plug engages the threaded bore of the fastener hole when inserted therein. The shank is configured to shear across the neck and separate the shank from the plug when the fastener head is torqued above a threshold torque. The plug is retained within the threaded bore of the fastener hole to seal the lower end of the fastener hole, forming a repaired work piece.

Abstract: The invention relates to a connection element for interconnecting at least two workpieces, having a shaft; a connection-element head, radially protruding beyond the external side of the shaft, at the one end of the shaft; a drive configuration on the connection-element head and a front shaft end, wherein in a holding portion of the shaft that emanates from the lower side of the connection-element head at least one pair of closed annular protrusions are disposed thereon, of which at least one annular protrusion is not completely disposed in a plane that runs perpendicularly to the longitudinal axis of the shaft; and the spacings between the two annular protrusions of the pair along the circumference are of dissimilar size, or the two annular protrusions of the pair of annular protrusions are disposed so as to be mutually parallel; wherein the front end of the shaft is configured as a tapered hole-forming portion, and wherein a maximum external diameter of the hole-forming portion is between 3% and 10% smaller,

Abstract: The present invention relates to a bolt structure including: a base bolt having one side end portion inserted into holes formed at the time when a fixed structure and an object to be fixed are laid on top of each other; a core bolt adapted to be advanceably and retreatably screw-coupled to the base bolt; a nut fastened to the end portion of the base bolt protruding from the holes to maintain the state where the fixed structure and the object to be fixed are laid on top of each other; locking units adapted to selectively pressurize the external surface of the nut to prevent the escape of the base bolt; and a restraint unit adapted to be advanceably and retreatably screw-coupled to the base bolt and come into contact with the end portion of the core bolt to restrain the advancement and retreat of the core bolt.

Abstract: The invention relates to an actuator comprising a stationary structure and an actuating element that is movable relative to the stationary structure, a device for locking the actuating element in position which is mounted on the stationary structure and has a state for locking and a state for releasing the actuating element. The locking device comprises, successively, a stress limiter and at least one locking element so arranged as to be butting against one surface of the actuating element, in order to oppose a motion of the actuating element in a predetermined direction. The actuator comprises a member for controlling the locking device in the releasing state thereof and a member for resiliently returning the locking device to the locking state thereof.

Abstract: A fastener includes: a first leg part; a second leg part; a coupling part coupling one ends of the first leg part and the second leg part; a first head part and a second head part which are provided with a flange for engaging with a front-side edge of an attachment hole, and a pressing surface for a user to press, and which are provided to other ends of the first leg part and the second leg part; and a screw hole formed in the second head part, and into which a screw member is screwed. The first leg part includes a first engagement part capable of engaging with a rear-side edge of the attachment hole. The second leg part includes a second engagement part capable of engaging with the rear-side edge of the attachment hole.

Abstract: The invention relates to a screw, comprising a drive, a drilling tip for producing a bore, said bore having a bore axis and a bore diameter, which drilling tip is spaced apart from the drive in a drive-in direction, and a shaft, which extends from the drive to the drilling tip, wherein the shaft has a stop section, which can be fed through the bore when the drive-in direction of the screw is tilted in relation to the bore axis and which has a stop surface for blocking the feeding of the stop section through the bore when the drive-in direction of the screw is oriented parallel to the bore axis.

Abstract: According to embodiments of the invention, an electrical connector for use with an electrical conductor having a terminal end includes a connector body and a stud member. The connector body includes a conductor engagement section and a stud mounting section. The conductor engagement section is configured to receive the terminal end of the conductor to mechanically and electrically connect the conductor to the connector. The stud mounting section includes a socket bore including a tapered bore section. The stud member includes an elongate stud section extending to a free end, and a tapered insertion section. The tapered insert section is received in the tapered bore section. The tapered insert section includes an internal cavity defined therein to permit deformation of the tapered insert section as the tapered insert section is forced into the tapered bore section.

Abstract: A screw for composite or plastic material comprises a head having a socket which is rotatably couplable for application of a torque. An elongated shank extends from the head and terminates a tapered threaded distal tip. The shank has one portion having an enlarged diameter and a second portion having a reduced diameter. The first portion is traversed by a left hand thread having a first pitch. The second portion is traversed by a right hand thread having a second pitch which is less than the first pitch. An unthreaded land portion adjacent the tip extends at least twice the second pitch. For some embodiments, some thread segments have notches. The fastener is particularly adapted for very dense material.

Abstract: A device for fastening a nut (4) on the surface of a body (2) by means of a plate (5) that holds the nut (4) captive. The plate (5) has both a centering member (14) and a lug (15) projecting from its seat (6) against the body (2), which centering member and lug are housed in corresponding orifices (16, 17) in the body (2). Means for bonding by cementing or by riveting prevent the plate (5) fitted against the body (2) from moving axially. The cementing means involve melting the lug (15) inside the orifice (17) that receives it, the lug being heating to form cementing material. The plate (5) includes a cell (19) in register with the lug (15) for guiding tooling.

Abstract: A keyboard comprising a keyboard module, a support plate and at least one screw nut attached to the support plate.

Abstract: In various embodiments a frame system for a surgical system may include a plurality of rod structures cross connected through one or more structural members. In some embodiments, the rod structures may each include at least one rod with an interface joint molded over the at least one rod. One or more of the interface joints may include a receiving hole for receiving a structural member to couple at least two of the plurality of rod structures together. One or more surgical components (such as a surgical console) may be received into the frame system. Other components may also be received into the frame system (e.g., an aesthetic skin). The rod structures may also include cross face structural members that are secured to portions of the rod structures through being molded to the rod structures through the interface joints.

Abstract: Self-locking nipple for attaching wheel spoke to wheel part. The self-locking function of the nipple is created by deforming the nipple body in a rotationally symmetrical way and over a predetermined axial distance, such that such a narrowed part is created in the internal screw-thread of the nipple which is rotationally symmetric with respect to the longitudinal axis of the nipple and extends over only one to two windings of the internal screw-thread.

Abstract: A one-piece, self-locking nut is formed with a threaded nut body integrally formed with crush-locking lips on a forward contact face of the nut body spaced by an internal relief cut for accommodating deformation of the crush-locking lips therein. When the nut is tightened down on an object on a fastener bolt, the crush-locking lips are forced inwardly and deformed on the threaded shaft of the fastener bolt into the space of the internal relief cut in order to form a permanent lock on the fastener bolt. The one-piece, self-locking nut can be fabricated by conventional nut manufacturing methods. In use it threads on quickly like a conventional nut and installs with conventional tools.

Abstract: An interlocking interface retains a screw head in a socket to prevent migration of the screw head out of the socket, or to lock the screw head in the socket. The interlocking interface may retain or lock the screw at various polyaxial angles with respect to the socket. The screw head includes external corrugations. The socket includes an internal corrugated structure which interlocks with the external corrugations of the screw head when the screw is at various polyaxial angles with respect to the socket. A counterbore may be adjacent either or both ends of the socket.

Abstract: An interlocking interface retains a screw head in a socket to prevent migration of the screw head out of the socket, or to lock the screw head in the socket. The interlocking interface may retain or lock the screw at various polyaxial angles with respect to the socket. The screw head includes external corrugations. The socket includes an internal corrugated structure which interlocks with the external corrugations of the screw head when the screw is at various polyaxial angles with respect to the socket.

Abstract: A device for mounting a spoke (1) on a wheel rim or hub, includes a spoke (1) having a rod extending along an axis (X-X?) with one end (11) provided with an external thread (110). The threaded end is screwed inside the internal thread of a nut (2) mounted in an opening provided inside the rim or hub. At least part of the threaded end (11) of the spoke (1) screwed in the nut (2), is curved relative to the axis (X-X?), so as to increase the braking torque by direct friction of the nut (2) relative to the rod.

Abstract: A checker nut for locking a threaded body to a threaded rod, comprises a main body portion having a top bearing surface for engaging a threaded body. The main body portion includes a central opening with an inside surface. A female thread is disposed on the inside surface and extends therefrom, the female thread for cooperating with threads on a threaded rod; and the female thread is disposed on the inside surface a distance from the top bearing surface equal to at least one thread required to be passed by a threaded body on a threaded rod.

Abstract: A connector includes a support (14) made of synthetic resin and constituting a first housing (10), a bolt (20) rotatably penetrating through the support (14), a seal ring (29) mounted between the supporting portion (14) and a head (22) of a bolt (20), a metal nut (36) embedded in the front surface of a second housing (30) and connecting the two housings (10, 30) by being threadably engaged with the bolt (20), and a stopper for preventing a threaded movement of the bolt (20) by bringing the metal parts into contact.

Abstract: A fastening assembly for fastening a camshaft adjuster to a camshaft, having an input part that can be brought into driving engagement with a crankshaft, an output part that is non-rotationally connected to the camshaft, the output part being mounted rotationally adjustably with respect to the input part, and a control mechanism, by which a rotational angle position between the input and output parts can be adjusted. The output part is provided with a central axial opening penetrated by an end section of the camshaft. The end section has a thread-bearing thread section, which is screwed together with a tension nut acting on the output part such that the output part and the camshaft are axially loaded for the non-rotational connection thereof. To this end, the tension nut is elastically loaded in the axial direction or relieved in the axial direction.

Abstract: A hybrid clinch-type standoff consists of two component parts, a metal core base and a overmolded plastic barrel. The base has a through-bore and a displacer flange at the bottom. A first undercut is located immediately above the flange and extends upwardly along an outside surface of the base for providing clinch attachment of the base to a substrate. A frustoconical ramp convergent in the upward direction lies along the outer surface of the base is and is located directly above the first undercut. An axially extending segmented ring with circumferential teeth is located at the top of the base. The overmolded plastic tubular barrel composed of plastic fills the second undercut and surrounds the segmented ring. The barrel has an inner portion including a threaded inner wall which extends downardly inside the through-bore to a point flush with the bottom of the flange.

Abstract: A self-service retail item checkout station comprises a peripheral device for interacting with a customer while the customer is conducting a self-service retail item checkout transaction at the station. The self-service retail item checkout station further comprises a non-swiveling mounting mechanism including (i) a slidable mounting portion on which the peripheral device is mounted, and (ii) a fixed mounting portion on which the slidable mounting portion is supported for sliding movement between a retracted position in which a customer in a standing position at the station can more easily interact with the peripheral device an extended position in which a customer in a seated position at the station can more easily interact with the peripheral device.

Abstract: The following invention describes a compact, lightweight, economical means of attaching chain drive sprocket hubs securely to half axles assembly rotatable along a transverse axle rotation axis, found in all-terrain-vehicles or the like. The assembly comprises a half axle and sprocket hub each having a cross-hole corresponding in size and aligned with each other. The cross-hole in the half axle is threaded and a bolt passes through both the cross-hole in sprocket hub and the threaded cross-hole of the half axle. Axle/flange bearings are located on either side of the chain drive sprocket hub and the inner end of the half axle is threaded to accommodate a flanged nut.

Abstract: A nut capable of being used to engage with a bolt includes a hollow body and a plurality of fastening structures rotatably fixed to the hollow body. Each fastening structure includes a fastening member including a connecting part, an internally threaded part, and a pressable part. The connecting part is received in the hollow body and rotatably fixed to the hollow body. The internally threaded part is connected to one end of the connecting part. The pressable part is connected to the other end of the connecting part. When the pressable part of the fastening member is pressed, the connecting part is rotated relative to the hollow body accordingly, so as to cause the internally threaded part of the fastening member to engage with the bolt.

Abstract: In order to improve a securing nut comprising a base member which is provided around its circumference with a key face contour, a threaded bolt receptacle which is provided with an internal thread and passes through the base member in the direction of a central axis as well as at least one clamping element which is provided on the base member, in such a manner that it is, on the one hand, simple to produce and, on the other hand, allows reliable clamping without damaging the threaded bolt it is suggested that the clamping element be a collar which is arranged on one side of the base member and in which the internal thread is continued, and that the collar extend around the threaded bolt receptacle in an essentially closed manner in circumferential direction with respect to the central axis.

Abstract: A nut for use with self-tapping screws (3) utilized in sheet metal work which comprises an elongated hexagonal-shaped body (1) with a straight through centre core (4) and has a flanged rear end (7) that is beveled (9) at the edge of the bore to assist in seating and proper alignment.

Abstract: To provide a fastener that is able to prevent the tightening nut from loosening over an extended period. The anti-loosening fastener comprises a bolt that has a head and a shank, where the shank comprises a root-side of a large diameter and an end-side of a small diameter, the root-side has a tightening thread formed on it in one turning direction, the end-side has an anti-loosening thread formed on it in the other turning direction, and the minor diameter of the tightening thread is greater than the major diameter of the anti-loosening thread; a tightening nut is screwed on the tightening thread; and an anti-loosening nut is screwed on the anti-loosening thread with the front end in contact with the rear end of the tightening nut and may have the same outer dimensions as the tightening nut.

Abstract: A locking nut assembly for hi-hat clutch comprises a main body having a bolt hole, a locking nut is disposed in the main body, the locking nut a central threaded opening for receiving a threaded stem of the hi-hat clutch, and a key bolt. The locking nut further having a threaded aperture. The key bolt passes through the bolt hole of said main body, and is threaded into the threaded aperture of the locking nut, whereby the key bolt is selectively tightened to force the threaded portion of the locking nut into engagement with the threaded stem.

Abstract: Adjustable length element includes a first member having threads and a second member having threads. The adjustable length member also includes at least one protrusion on one of the first member and the second member, with the at least one protrusion being capable of engaging and disengaging at least one stop associated with the threads of the other of the first member and the second member as the first member and the second member are rotated relative to each other. A lancet device includes a housing, a needle holding member in the housing for holding a lancet, a biasing element for biasing the needle holding member toward an extended position, and a trigger for releasing the needle holding member from a retracted position. The lancet device also includes a cap for covering the housing and for positioning the lancet device relative to a skin surface, the cap including a first cap member having threads and a second cap member having threads.

Abstract: An adjustable and releasable fastener for a pivoting hand tool includes a first bushing and a second bushing which are press fit in respective tool elements, the second bushing extending into a hole in the first bushing to form a pivot bearing. The first bushing includes a cap with a recess having a slotted opening connecting to the hole in the first bushing. A bolt is extends through the first and second bushings, with a bolt head disposed in the recess. A nut is fastened to a threaded end on the second bushing side. The nut can be tightened or loosened to adjust the tension on the bolt. The bolt head is shaped to allow it to pass through the slotted opening in the first bushing when the tool elements are pivoted beyond an operating range, permitting quick release of the tool elements.

Abstract: Screw or nut braking rings and mountings established with the rings include a nut having an upper portion hollowed from a circular throat. Slits divide the upper portion into blocks by cutting the throat. A shape-memory alloy ring is housed in the throat so as to retighten the blocks on the threaded portion of the mounting and thus tighten it. The ring exhibits a change between the tightening state and a mounting state where it is free in the throat and can be easily mounted.

Abstract: A self-locking connection between a bolt and a nut is obtained by making at least one face of at least one flight of the external thread of the bolt and/or the internal thread of the nut incongruous with the adjacent face of the other thread. This results in a clamping action along a helix at the root and/or at the crest of the other thread. The connection is self-locking in two directions if both faces of one or more flights of one of the threads are incongruous with the adjacent faces of the other thread.

Abstract: A laminated nut comprising a plurality of conical spring discs or spring washers and a cage for receiving and holding the spring discs in a stacked, aligned relationship to define a central opening threaded to the matably received upon an associated threaded bolt, with the cage comprising a plurality of fingers nested within slots defined in the flats of the spring discs and including protrusion means at one axial end of the nut cage to preclude gripping of the nut by a wrenching tool at the one axial end and including a method of manufacturing the laminated nut.

Abstract: A correction spring capsule which has a stop bolt inserted in a stepped longitudinal bore of a housing embodied as a screw sheath, a correction spring and an adjusting screw, which forms the abutment for the correction spring. This adjusting screw has the form of a cup-shaped adjusting ring provided with a continuous external thread and having a bottom and a sheath-like wall. The sheath-like wall is deformed into an oval shape in order to attain positional fixation of the adjusting screw and has its greatest deformation in the vicinity of one end section that is open toward the outside. As a result, the adjusting screw is infinitely adjustable and is secured in a positionally fixed manner in any position inside the housing in the vicinity of an internal thread.

Abstract: A concept of joining two articles where one member has a plurality of ridges with the valleys between the ridges having a constant cross-sectional area but a sequentially varying cross-sectional shape so when such a member is inserted into a cavity having approximately the same cross-sectioned area, material in interference with the ridges flows into the valleys and upon further insertion into the cavity the material within the valleys is deformed in a direction lateral to the direction of insertion so as to join the two articles.

Abstract: A rotor for an adjustable low loss capacitor having a hollow cylindrical stator with an internally threaded bushing at one end, an axially adjoining insulative cylindrical body, a conductive end member and concentric radially spaced conductive tubes inside said insulative cylindrical body, comprises a rotatable cylindrical screw body having externally threaded portions for engaging internal threading of the bushing. The threaded portions are axially separated by an unthreaded intermediate portion of reduced diameter formed with three slots whose inner edges define an equilateral triangle axially of the screw body. The slots define three resilient springy webs each extending 120.degree. circumferentially of the screw body. Corners of each web are disposed in registration with the other two webs axially of the screw body. The intermediate portion is deformed slightly to misalign the two threaded portions of the screw body.

Abstract: A drive nut has a hollow interior in which a plurality of cantilever clamping members which are arranged with equal spacing around a common circle and extend substantially parallel to the nut centerline, and which are rigidly and integrally fixed at their lower ends to the nut inner side near the bottom seating surface thereof. The clamping members thus form a substantially cylindrical passage through which a mating member with a male screw thread is forcibly driven axially from the side of the seating surface relative to the nut to be quickly but positively locked by the drive nut.

Abstract: This ball nut and screw assembly has a ramplike stop secured to screw shaft. On predetermined linear movement of the ball nut relative to the screw shaft, the balls contained in the ball nut are forced to climb the ramp and are compressively loaded to force radial expansion of the nut and to positively limit ball nut travel. The wedging effect provided by the stop requires additional power to continue movement which cannot be fulfilled by the input.