Abstract: An anti-loosing connector for coupling with a corresponding connector has a tubular body, a nut sleeve and an elastic clamping ring. A plurality of terminals is arranged in the tubular body. The tubular body is inserted in the nut sleeve, and a thread for screwing the corresponding connector is arranged on the nut sleeve. The elastic clamping ring surrounding the nut sleeve is disposed between the tubular body and the nut sleeve. A polygonal annular surface is defined on one of the tubular body and the nut sleeve, the elastic clamping ring is fixed with the other of the tubular body and the nut sleeve, and the polygonal annular surface is pressed by the elastic clamping ring. A multi-step stopper for the elastic clamping ring is provided by the polygonal annular surface, and the tubular body and the nut sleeve are thereby prevented from relatively rotational looseness.

Abstract: A system for the quick mounting of a glass shutter or door to a support frame includes a mounting plate having a first anchoring element to the top of the supporting frame and a second anchoring element to the glass shutter or door. The mounting plate includes a downwardly extending pivot defining an axis and a hinge device having a seat for the pivot. The seat and the pivot are configured to be coupled so as to allow the hinge device to rotate about the axis. A slip-preventing system prevents the separation by gravity of the hinge device from the mounting plate after coupling the pivot to the seat. The second anchoring element is removable so as to allow an operator to mount/dismount the glass shutter or door onto/from the support frame with the hinge device in the working position mounted on the top of the support frame.

Abstract: This fastener assembly includes a body, an elongated member and a split wedge. The body defines a cavity that converges. An access opening at a small end provides access to the cavity. The member has a circumferential external profile at one end. The split wedge has two or more wedge segments with a flexible hinge connecting each of the wedge segments. Each of the wedge segments has an internal profile. The member is inserted through the access opening into the cavity of the body, and the wedge segments of the split wedge are positioned circumferentially around the member and then the split wedge is wedged in the cavity to maintain the external profile of the member engaged with the internal profile of the wedge segments of the split wedge.

Abstract: A threaded rod hanger has quick lock plunger mechanism that includes plunger pieces within a tapered hole in a housing. The plunger pieces have tapered outer surfaces. A spring within the housing presses the plunger pieces toward the narrow end of the bore, with the spring located between the plunger pieces and a back plate that closes off part of a wide end of the tapered bore. The plunger pieces have internally threaded surfaces that engage threads on a threaded rod that is inserted into the bore, between the plunger pieces. Once the threaded rod has been inserted between the plunger pieces and released, the plunger pieces are pushed toward the narrow bore end. This causes the plunger pieces to press inward, automatically causing the internal plunger half threads to engage the external threads on the threaded rod.

Abstract: The present device relates to a thread clamping device including a plurality of movable segments with threaded inner surfaces suitable for engaging a threaded rod and including a strain gauge therein for measuring the actual strain on the device, in contrast to conventional thread clamping devices restricted to measuring the torque applied during installation, not the actual strain experienced during service. In addition to measuring the actual strain experienced by the thread clamping device, some embodiments of the present invention also relate to a transmitter for transmitting to a remote receiving station the actual strain measured, typically including a suitable identification code for determining which device is transmitting.

Abstract: A retaining nut comprises a nut body and a plurality of axially extending integrally formed deflectable locking fingers. The locking fingers have a frusto-conical surface opposite a threaded surface. The frusto-conical surface of the locking fingers are adapted to co-operate with a conical washer. Tightening the threaded nut on a threaded shaft against the washer causes the locking fingers to deflect radially towards the shaft. This provides a secure radial clamping of the nut on the shaft.

Abstract: Apparatus and Method of use for an improved lock nut type of fastener. On a threaded rod, a set of one or two cavity locknuts are used with a sleeve like ferrule to lock a nut in a set position on the rod. For example a nut that is clamping a workpiece can be held in place (resisting if not preventing loosening) by suitable application of the ferrule and cavity locknut. The cavity locknut has a tapered funnel-like cavity in a nut face around the nut's threaded hole. Locking is accomplished by immobilizing the ferrule on the rod and against the nut to be held, orienting the cavity side of the cavity locknut toward the ferrule, and forcefully torquing the cavity nut against and around the ferrule so that it is crimped against the threaded rod by the tapered cavity in the nut.

Abstract: Apparatus and Method of use for an improved lock nut type of fastener. On a threaded rod, a set of one or two cavity locknuts are used with a sleeve like ferrule to lock a nut in a set position on the rod. For example a nut that is clamping a workpiece can be held in place (resisting if not preventing loosening) by suitable application of the ferrule and cavity locknut. The cavity locknut has a tapered funnel-like cavity in a nut face around the nut's threaded hole. Locking is accomplished by immobilizing the ferrule on the rod and against the nut to be held, orienting the cavity side of the cavity locknut toward the ferrule, and forcefully torquing the cavity nut against and around the ferrule so that it is crimped against the threaded rod by the tapered cavity in the nut.

Abstract: A threaded rod hanger has quick lock plunger mechanism that includes plunger pieces within a tapered bore in a housing. The plunger pieces have tapered outer surfaces. A spring within the housing presses the plunger pieces toward the narrow end of the bore, with the spring located between the plunger pieces and a back plate that closes off part of a wide end of the tapered bore. The plunger pieces have internally threaded surfaces that engage threads on a threaded rod that is inserted into the bore, between the plunger pieces. Once the threaded rod has been inserted between the plunger pieces and released, the plunger pieces are pushed toward the narrow bore end. This causes the plunger pieces to press inward, automatically causing the internal plunger half threads to engage the external threads on the threaded rod.

Abstract: The present invention relates to a thread clamping device including a plurality of movable nut segments around a threaded rod, and spring members flexibly holding the segments against the rod. The thread clamping device has a structure adapted to accommodate substantially planar outer surfaces of the segments engaging planar surfaces of the end housing of the device, leading to a more robust device and improved performance. Such a thread clamping device can advantageously be used as a component of a self-adjusting shrinkage compensation device, a coupler for threaded rods, hold-downs, among other uses. Various embodiments of the thread clamping device include a multi nut configuration, a quick release, and including mechanical or magnetic clip attachments.

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 fastening device comprising at least one nut, at least one support unit, and at least one spring element, with the nut, the support unit, and the spring element being constructed and matched to each other in such a way that the spring element exerts a force between the nut and the support unit.

Abstract: A threaded rod hanger has quick lock plunger mechanism that includes plunger pieces within a tapered bore in a housing. The plunger pieces have tapered outer surfaces. A spring within the housing presses the plunger pieces toward the narrow end of the bore, with the spring located between the plunger pieces and a back plate that closes off part of a wide end of the tapered bore. The plunger pieces have internally threaded surfaces that engage threads on a threaded rod that is inserted into the bore, between the plunger pieces. Once the threaded rod has been inserted between the plunger pieces and released, the plunger pieces are pushed toward the narrow bore end. This causes the plunger pieces to press inward, automatically causing the internal plunger half threads to engage the external threads on the threaded rod.

Abstract: A lock nut capable of improving a fastening force of a fastening nut and the lock nut is provided. The lock nut 1 preventing the fastening nut 7 fastened against a bolt 6 from being loosened comprises: a nut body 2 wherein a threaded hole 4 is formed inside and a groove 30 is formed at a circumferential edge of the threaded hole 4 of one seat surface 3; and a plurality of projections 5 being formed in the groove 30 of the nut body 2 and made from the same material as that of the nut body 2. The projection 5 comprises: an outer side face on the opposite side of the threaded hole 4 directed toward a center of the nut body 2 from the border between the seat surface 3 and the groove 30 of the nut body 2; and an inner side face 32 on the side of the threaded hole 4 so made as to be an extension of an inner face of the threaded hole 4 of the nut body 2.

Abstract: A driving apparatus of the present invention is a driving apparatus which adjusts a position of a member to be driven. The driving apparatus comprises a driving member connected with the member to be driven and made of an elastic member, a female screw provided so as to penetrate the driving member, and a taper-shaped male screw configured to be screwed into the female screw. The driving member is provided with a cutting portion which penetrates in an axis direction of the female screw so that an inner circumference of the female screw is discontinuous, and the driving member is configured to move in an axis direction of the male screw in a state where the male screw is screwed into the female screw to displace the member to be driven in a direction orthogonal to the axis direction of the male screw.

Abstract: A spring-pressurizing unit includes a pair of screw members which are respectively formed with male and female screws to be screwed to each other and in which after the male and female screws are fastened to each other, a shaft having a predetermined length is formed, a spring disposed as to be wound around the shaft, a pressing member which is disposed on one end of the spring and which is pressed toward the spring after the pair of screw member are fastened to each other, thereby compressing the spring, and a support member which supports the pressing member in a state where the pressing member compresses the spring.

Abstract: A simple fastening device has a structure where a lock piece is forced by a spring to engage with an axial member in a case 1. When the axial member 6 is inserted into the case, the lock piece is moved away from the axial member by a releasing member. The lock piece is connected to the releasing member by a pin.

Abstract: A construction prop includes an outer tube and an inner tube wherein the inner tube telescopically fitted in the outer tube. The top end of the outer tube has a threaded section axially formed with a pair of slots. The inner tube is axially formed with several pairs of pinholes. A locating nut is screwed on the threaded section of the outer tube. A controlling member formed with a pair of through holes is fitted on the outer tube. A bottom end of the controlling member is rotatably connected with the locating nut. A top face of the controlling member is formed with recessed/projecting structures. An insertion pin is fitted through the slots of the outer tube and inserted in one pair of pinholes of the inner tube, and is rested on the top face of the controlling member, whereby the prop can support a horizontal moldboard.

Abstract: An overvoltage protection device for use in power supply, especially low voltage systems, is described, with a housing (2), a first electrode (3), at least one second electrode (4), an arc chamber (5) within the housing (2) between the two electrodes (3, 4), and with a breakdown spark gap between the two electrodes (3, 4), an arc forming between the electrodes (3, 4) when the breakdown spark gap is ignited. In order to more reliably prevent the occurrence of a grid follow current and re-ignition of the breakdown spark gap in the overvoltage protection device, at least one outflow and cooling channel (6) is formed in the housing (2) through which the hot plasma from the arc chamber (5) can emerge, the outflow and cooling channel (6) extending in the lengthwise direction of the housing (2) and being helical.

Abstract: A tightening structure for locking, comprises a nut, a bolt, and a washer with a hole through which an axis of the bolt passes. To enable the structure to lock more firmly, a recessed part symmetrical with respect to an axis, and having a generally trapezoidal shape in cross section, is formed in the nut, and a projection, symmetrical with respect to an axis, and having a generally trapezoidal cross section is formed on the washer. The hole in the washer is eccentric to the projection of the washer.

Abstract: A fastening nut includes an operation member, a female threaded member, and a control device. The operation member is operable by an operator to rotate in a fastening direction and a loosening direction. The control device is coupled between the operation member and the female threaded member and includes a plurality of movable members, such as nut segments and wedge members, and a plurality of control members, such as rollers and balls. The movable members are arranged in a circumferential direction about the nut axis. Each movable member is movable between a first position and a second position. The first positions enables fastening of the female threaded member onto the male threaded member. The second position enables loosening of the female threaded member. The control members either prevent or allow the movement of each movable member from a first position to a second position.

Abstract: A connection element for a bolt and having a bolt-receiving member (1) the bore of which has a cylindrical receiving region (4) and a tapering, at least sectionally, in a direction opposite to an insertion direction (A) of the bolt (2), region (7) that adjoins the cylindrical receiving region (4) at its side facing in the direction opposite the insertion direction (A), a guide region (11) that adjoins the cylindrical receiving region (4) at its insertion direction side and has an inner diameter (d3) which at most corresponds to an outer diameter of the bolt; and at least one locking member (8) arranged in the bore (5), formlockingly engaging, at least partially, in the outer thread (3) of the bolt (2), and formed as a radially expandable ring body.

Abstract: A connection element for a bolt (2, 26) including a member (1, 27) for receiving the bolt (2, 26) and having a bore (4) through which the bolt (2, 26) extends, a spring (3) located in the bore (4) of the receiving member (1) for locking the bolt (2, 26) therein, and two, displaceable relative to each other, coaxial with each other and with the spring (3), cone sleeves (9, 10) located in the bore (4) of the receiving member (1) and having each a through-bore (11) which expands conically at its end adjacent to the spring (3) and has a largest inner diameter, which is larger than an outer diameter of the spring (3), and a smallest diameter which is smaller than the outer diameter of the spring (3) but is at least equal to a diameter of the bolt.

Abstract: A taper nut retention device mechanically fastens a plurality of pressure reduction disks. A cage end member at one end of the stacked disks has a series of counterbores, each aligned with respective mounting holes in each disk. A second cage end member at the other end of the stack has a series of inwardly converging, tapered bores with shallow taper angles, each aligned with respective mounting holes and a counterbore. A taper nut with a threaded interior and an outer tapered surface with a shallow taper angle matching the tapered bore is inserted into and engageably contacts the tapered bore. A threaded bolt is inserted into the counterbore and through the disk mounting holes to threadably engage the taper nut. Tightening of the bolt and nut mechanically secures the stacked disk assembly. A process for making the stacked disk assembly wherein each disk and the cage end members are plated with nickel and the components are fused together in a brazing oven.

Abstract: An attachment element for an anchor rod (14) including a substantially cylindrical expansion member (1) having an axial bore (8), and one-piece expandable member (2) extending, at least partially, into the axial bore (8) of the expansion member (1) without a possibility of disengagement from the expansion member (1) and having, at least along a portion of its longitudinal extent, a conical section tapering in a direction opposite to a setting direction (S) of the anchor rod (14), an axial bore (4), and at least two elongate slots (11).

Abstract: A locking apparatus includes an inner ring having a tapered outer shape and permitting a bolt of a fastener, with which construction elements are fastened, to pass therethrough, an outer plate formed with a tapered bore which receives the inner ring, a coil spring which urges the inner ring toward the outer plate, and a nut threadedly engaged with the bolt on the side close to an outer end of the coil spring. When an external force is applied to a construction so that the outer plate is displaced toward the nut, together with the construction element associated therewith, the outer plate applies a force, exerting in the direction axially of the bolt, to the inner ring. When receiving the force which has a component directed radially inwardly of the bolt, the inner ring is reduced in diameter to tighten the bolt, thereby preventing a further displacement of the outer plate and the construction element.

Abstract: A measuring device is provided, having a cylindrical connection piece (1), having a collar (2) which engages around at least one section of the connection piece (1) and is to be fastened at a measuring location, having a restraining means, by which the connection piece (1) is fastened in the collar (2), having an annular seal (3), which is arranged in the collar (2) and bears in a sealing manner against the connection piece (1), and having a thrust ring (4) which is releasably fastened in the collar (2), and, in an end position, puts the seal (3) under pressure in the axial direction, with which device mounting and demounting at the measuring location take place in one operation and with which device, during mounting, the fastening of the connection piece (1) takes place before or at the same time as the restraining of the seal (3), and with which device, during demounting, first of all the seal (3) is released and then the fastening.

Abstract: A nut device which comprises a hollow body structure having a side wall, end walls, and a tapered bore, the body structure defining a longitudinal axis; a sleeve extending in the body substantially coaxially therewith, the sleeve having a longitudinally extending split, and a side taper engaging the body structure tapered bore, the sleeve having a bore thread; an anchor pin extending longitudinally endwise in the split and anchored to at least one of the body structure end walls, for blocking rotation of the sleeve, while allowing sleeve longitudinal movement relative to the pin and body structure; at least one of the body structure end walls having a bore in alignment with the sleeve bore threading; whereby the nut device may be rotatably connected to a longitudinally extending member having threading engaging the sleeve threading, and locked to the member by squeezing the sleeve, in response to sliding engagement of the sleeve side taper with the body tapered bore.

Abstract: A locking apparatus includes an inner ring having a tapered outer shape and permitting a bolt of a fastener, with which construction elements are fastened, to pass therethrough, an outer plate formed with a tapered bore which receives the inner ring, a coil spring which urges the inner ring toward the outer plate, and a nut threadedly engaged with the bolt on the side close to an outer end of the coil spring. When an external force is applied to a construction so that the outer plate is displaced toward the nut, together with the construction element associated therewith, the outer plate applies a force, exerting in the direction axially of the bolt, to the inner ring. When receiving the force which has a component directed radially inwardly of the bolt, the inner ring is reduced in diameter to tighten the bolt, thereby preventing a further displacement of the outer plate and the construction element.

Abstract: An adjustable length prosthetic implant includes an implant body and an axially received stem. The stem has a threaded portion and an end portion adapted for mounting with a bone. The implant body includes an end portion adapted for mounting with a bone and a tubular sleeve. The sleeve adjustably receives the stem. An adjustment nut is rotatably carried upon the sleeve for threadably engaging the stem to effect telescopic length adjustment of the stem relative to the sleeve. A jam nut is threaded over the stem and forcibly tightened against the adjustment collar to prevent accidental adjustment of the stem. The female thread formation in each of the adjustment collar and jam nut includes a wedge ramp positioned across the thread root for engaging the thread crest of the corresponding male screw formation on the stem to evenly distribute stresses through the screw formations.

Abstract: A bin aeration device includes a skirt mounted to a bin wall by a stem including an exterior surface with a first portion having straight American National Standard pipe threads. A second portion on the exterior surface includes American National Standard Taper Pipe Threads. The American taper pipe threads permit attachment of either an internally American taper threaded fitting or an internally British taper threaded fitting if provided with 1/2 inch or 3/4 inch--14 threads per inch threads. An interior surface through the stem defines a passageway for pressurized gas to exit through an air port adjacent the skirt. A portion of the interior surface of the stem includes British Standard Taper Pipe threads. The British taper pipe threads permit attachment of either an externally American taper threaded fitting or an externally British taper threaded fitting if provided with 1/2 inch or 3/4 inch--14 threads per inch threads.

Abstract: A ball nut having a ball return tube is formed with an externally threaded stud for supporting a mounting flange which is adapted to be screwed onto the stud. Angularly spaced segments of resiliently compressible wire are seated in an annular groove in one face of the flange. When the flange is screwed onto the stud, the segments engage a shoulder on the nut and compress to enable the flange to be tightened to a position in which the flange is in a predetermined angular orientation relative to the ball return tube.

Abstract: A balanced turbine rotor has a cylindrical member with a pair of opposed end shafts and an enlarged central portion, the enlarged central portion having first and second faces, with a circular groove formed in at least one of the faces and expandable weight assemblies engageable in the groove. The weight assemblies have an arcuate body member and an expander screw, the arcuate body member formed into upper and lower deformable secetions by a bore therethrough and slots from side walls thereof to the bore, such that the expander screw forces the deformable sections apart to secure the weights at any desired location about the groove in the face of the enlarged central portion of the rotor.

Abstract: An element adapted to engage a rod is composed of a tough synthetic-resin material and is tubular so as to receive the rod. Relatively long slots opening at one end of the element are aligned with relatively short slots opening at the opposite end of the element so that the opposite end of the element is formed with jaws which can be spread apart when members defined between the long slots are pressed together in a pincer movement. The inner surfaces of the jaws are provided with formations engageable with complementary formations on the rod.

Abstract: A cylindrical threaded connector is provided with a small amount of taper to produce a controlled radial interference to prevent inadvertent thread disengagement. The threaded connector is especially suited for use with radial clearance cylindrical threads subjected to tensionload such as tubular goods used in wells. The taper can be used on either or both threads of two step cylindrical threads.