Abstract: A ratcheted nut assembly is provided to enable a nut to be tightened onto a bolt in a limited area. The ratcheted nut assembly includes an internally threaded nut that has radially extending teeth on its outer surface. The nut is held rotatably captive within an elongated housing that has a generally "Y" shaped ratchet member pivoted so that the ratchet member may have pawls that are formed on it engaged with the teeth of the nut to rotate the nut. The operator positions the ratchet member into engagement with the radially extending teeth on the nut depending upon which direction the operator desires to turn the nut. The ratchet mechanism remains with the nut after the nut is tightened.

Abstract: A driving device for tilting steering equipment comprises a screw shaft and a nut member. The nut member has a cylinder, a female screw member disposed in the cylinder, a hole formed in the cylinder facing the outer circumferential surface of the female screw member and a pressing member disposed in the hole. When the pressing member is pressed against the female screw member, the female screw member is bent toward the screw shaft. As a result, diametrical gaps between the male threads of the screw shaft and the female threads of the female screw member are removed in the area near where the pressing member presses the female screw member and on the side opposite the pressing member.

Abstract: A fastener/shaft locking and adjustment apparatus and locking system which precisely positions, positively locks and avoids slippage of a positive locking nut along an elongated element. The positive locking nut includes a locking spline, an outer knurled cylinder, a rotatable spline, a return spring and a threaded nut. The locking spline includes a key member extending into the passage thereof which is engaged in the channel of the elongated element such that the locking spline does not rotate with respect to the elongated element. The locking spline further includes a first gear along an outer surface thereof which is capable of meshing engagement with a second gear provided along an inner circumferential cavity of the rotatable spline to lock the locking nut at its desired position along the elongated element.

Abstract: An adjustable clamping assembly is provided for holding and supporting a conventional structural component. The assembly includes a support element having an elongate channel that employs a pair of longitudinal locking grooves. A screw-like component is engaged with a structural component and a clamping nut is aligned with and inserted into the channel at a selected location. The nut includes a pair of locking tabs and a latch mechanism for permitting the nut to be rotated from an aligned orientation to a generally perpendicular orientation within the channel, wherein the locking tabs are respectively inserted in the locking grooves. The latch mechanism holds the nut in the perpendicular orientation to prevent removal of the nut from the channel. The nut further includes a threaded opening that is operably engaged by the screw-like component to attach the structural component to the support element at the selected location.

Abstract: A tie rod assembly for use with forms for forming a wall of pourable, curable material. Each assembly has a rod having opposite threaded ends and two spacers. Each of the spacers has a first conical section having a recessed opening at an apex region of a concave conical guide surface and a hexagonal recess surrounding the apex region, and a second conical section having a threaded bore communicating with the apex opening. The threaded bore has a coil thread nut integrated with the conical second section. The concave conical guide presents a target for directing a remotely inserted bolt towards the apex region for engagement with the coil thread nut.

Abstract: A screw for fastening that includes a male or female screw formed on its inner core area and including threads located about its outer circumference. A flange ring is located generally at one edge of the screw member in a manner so to be free to turn relative to the screw member, with the outside surface of the flange ring being configured to contact an object to be attached. An operating ring is located at the other edge of the screw member with freedom to turn relative to the screw. A screw feed ring is also provided having threads engaged with threads on the outer circumference of the screw member. A holding ring portion is operatively associated with the operating ring and includes an inner surface that is eccentric to its outer surface.

Abstract: A screw with replaceable threads is particularly useful to releasably join the spiders of rotational molding machines. The screw comprises a master bolt that passes through a first spider, and a tip that is removably assembled to the master bolt. The tip is threaded to selectively engage and disengage a receiver on the second spider. When the tip is assembled to the master bolt, the screw is captured in the first spider. When the tip has worn through use, it can be replaced without disturbing the master bolt. Similarly, when the tip seizes to the receiver, the tip and receiver are replaceable as a unit without disturbing the master bolt.

Abstract: A locking system for a vehicle wheel has a threaded member having a threaded part which has an axis and is screwable in a corresponding counter part, and a plurality of rings which are freely rotatable relative to the threaded part and having different eccentricities, and a key having an axis and a part engageable with the threaded member and is provided with a plurality of formations which engage the rings of the threaded member and have eccentricities similar to the eccentricities of the rings.

Abstract: An internally threaded fastener assembled from formed laminae can be inexpensively and efficiently produced from a variety of materials in a multi-staged, die-operated, drawing press. Each lamina has an internal bore with less than one full thread form at the helix plane and is designed to be stacked in an aligned, alternating arrangement to provide full thread rotations along the interior of the assembled fastener.

Abstract: A nut (30) carried by a nut holder (11) is inserted into a dovetail groove (46) in a profile frame (45) to connect another profile frame or a mechanical component to the profile frame (45). The nut holder (11) has clamping portions (19A, 19B) at both longitudinal ends that extend in one direction at approximately right angles to a bottom member. Coupling projections (23) or recesses are formed on the inner sides of the clamping portions (19A, 19B). Elastically deformable portions (13) project from the sides of the bottom member. Abutments (34) are formed at both ends of the nut (30). When the nut (30) is coupled to the nut holder (11), the coupling projections (23) are engaged with the coupling recesses (34) to maintain the coupled state. When the nut (30) coupled to the nut holder (11) is inserted into the dovetail groove (46), the nut is maintained at a predetermined position in the groove by frictional force due to resilient force from the elastically deformable portions (13).

Abstract: A flanged wheel fastener includes a fastener body having a threaded portion, a load-bearing surface, an out-of-round surface and a flange situated between the load-bearing surface and the out-of-round surface. A cap is disposed over the out-of-round surface and the flange, and an edge portion of the cap is bent around the flange to retain the cap on the fastener body. All portions of the cap are spaced axially away from all portions of the bearing-surface, and the cap is free of welding or adhesive attachment to the fastener body.

Abstract: A pre-tensioning device is used with a fastening element for fastening pieces together, the fastening element having a tightening element movable longitudinally along a first region thereof, which fastening element is to be subjected to a pre-tensioning expansion. The device comprises a locking piece fixedly attachable to the first region of the fastening element and extending over the tightening element; the tightening element being movable with respect to a piece to be fastened independently of the locking piece; and an annular sleeve made of a shape memory metal and positioned between the locking piece and the piece which is to be fastened to another piece, whereby when the annular sleeve is heated it undergoes an expansion due to a phase transformation and forces the locking piece upwards such that the fastening element is stretched and the tightening element can be tightened against the piece to be fastened.

Abstract: An orbital threaded fastener assembly includes an orbital nut or bolt and a split thread ring. Each of the nut or bolt and the thread ring has formed thereon a series of alternating, coaxial, circumferential grooves and teeth sized to mateably engage each other. These grooves and teeth can be formed on either the internal surface of the nut and the external surface of the ring or the external surface of the bolt and the internal surface of the ring. In use, the diameter of the ring is resiliently expanded or contracted to permit it to be disposed at a desired axial position along the nut or bolt to engage each other, thereby preventing relative axial movement of the parts while accomodating relative rotational movement thereof. The surface of the ring opposite that carrying the grooves and teeth is threaded to permit threaded coupling to an associated threaded component.

Abstract: The present invention is directed to a device capable of being attached to a metal roof comprises a substantially perpendicular seam. The device comprises a block. A groove is located in the base of the block, and the block is locatable on the roof by placement of the groove on the seam. There are two embodiments for securing the block to the seam. In the first embodiment, a threaded hole is located in the block between the first side wall and the groove, and a cavity is located in the groove diametrical to the threaded hole. A set screw is locatable in the threaded hole. The set screw has an opening at its terminal end for receiving an element having a curved surface, the element protruding therefrom and pivotable therewithin. Driving the set screw into the hole causes the curved surface of the element to engage the seam, driving the seam towards the cavity of the groove diametric thereto, thereby forming a pocket in the seam, and securing the block to the seam.

Abstract: An hydraulically assisted fastener has a pressure means (13) nested in a recess (15) or groove in a nut (11) or a thrust washer with a filler neck (20, 31, 44) whereat a nipple (14) can be used as a means of pumping grease or oil to the pressure means. The pressure means can be a bladder (13) or two parts with mated channels (42, 43). Alternately the pressure means (13) can be a single part with open channel (45) nested in a channel (46) in a nut body or thrust washer.

Abstract: A fastener member in the nature of a nut or bolt which bears against an external member which is softer than the fastener member including a body portion having first and second ends, a spin washer mounted on the first end of the body portion, internal and external surfaces on the spin washer, a first surface on the external surface for bearing the external member with a first frictional force, and a second surface on the internal surface of the spin washer for bearing against the first end of the fastener member with a second frictional force which is less than the first frictional force to thereby permit relative rotation between the first end of the fastener member and the internal surface of the spin washer while the spin washer remains in nonrotatable engagement with the external member.

Abstract: A fastener including a body, a shroud rotatably mounted on the body, and a resilient retaining ring located in opposed grooves between the shroud and the body, one end of the body extending outwardly beyond the shroud, and a frustoconical outer surface on the shroud which has its larger side proximate the end of the body which extends beyond the shroud.

Abstract: A connector-holding member (6) has first elastic arms (1) which bend in a fitting direction of connectors, and second elastic arms (2) which bend in a direction perpendicular to the connector-fitting direction. Each second arm has a positioning projection (4) for positioning the holding member relative to the panel, and a guide portion (5) extending in the connector-fitting direction from the positioning projection (4) to a point close to the first elastic arm (1). The connector-holding member (6) is held in position, with the positioning projections (4) and the first arms (1) abutting against the panel from opposite sides thereof, and the connector-holding member (6) is movable in the connector-fitting direction within the range of the length of the guide portion (5).

Abstract: A quick-attachment fastener has an elongate barrel and a plunger translatable in forward and aft directions in the barrel. A pivot pin in the barrel extends through the plunger and has an axis fixed relative to the barrel. An arm on the pin swings between a retracted position in the barrel and a deployed position where the arm extends from the barrel. An aft facing part of the plunger engages the arm so that a spring biasing the plunger urges the arm toward the deployed position. A forward facing part of the plunger opposes the arm so that aft plunger translation swings the arm to the retracted position.

Abstract: The self-locking nut comprises an hexagonal outer case (10) having front and rear open faces, and a set of cup-shaped or tapered spring members (14a, 14b) having threaded bores (17) axially aligned with the front and rear openings of the case (10). At least one of the tapered spring members (14a) has side edges (18) inwardly rounded and is provided with deflection legs (19) which extend outwardly to engage the internal corners between the side walls (11) of the case (10). A braking washer (20) may be optionally provided inside the case (10) to prevent the reverse rotation of the nut caused external stresses; the braking washer (20) is provided with a large central hole (21) having inwardly extending protrusion (22) ending in correspondence of the average diameter of the thread (17) of the spring members (14a, 14b) of the nut.

Abstract: A hydraulic bolt tensioner having a first chamber and a second chamber, a first hollow piston movable in the first chamber and partially extending into the second chamber, a second piston displaceable inside the first piston and movable in the second chamber, the second piston having connecting means for connecting with an end of a bolt, and a hydraulic fluid supply into the first chamber so that when hydraulic fluid pressure is applied to the first chamber, the first piston moves so that the first piston displaces the hydraulic fluid in the second chamber and moves the second piston to pull the end of the bolt.

Abstract: An improved quick release skewer system consisting of a connecting rod with a cam-actuated cap on one end and an expandable retaining nut on the other end. The device is specifically designed for application in mounting quick-release-skewer-hub bicycle wheels on bicycle forks having safety flanges which are intended to prevent the wheel from falling off the fork if the cam-actuated cap is accidentally loosened. Prior to the invention, to remove the wheel from the fork, the retaining nut had to be unscrewed. With the invention, once the cam-actuated cap is loosened, the expandable retaining nut is collapsed to further loosen compression forces on the bicycle fork and permit the wheel to be removed from the fork without unscrewing the nut. The expandable retaining nut prevents mishap in the event the operator fails to screw the nut back to its original position.

Abstract: An attachment arrangement for securing components or construction parts to an attachment rail (32) with a slot-like opening (34). The attachment arrangement includes a spring element (27) for improved handling which is deflectable both in the axial and radial directions. An axially elastic region (28) of the spring element (27) provides an axial prestress between a base member (21) and an intermediate member (29) whereby spontaneous detachment of the attachment arrangement by turning the base member (21) through 90 degrees relative to the attachment rail (32) is prevented.

Abstract: A clamp with a live loading clamp nut assembly is provided for pipe joints and the like. The nut assembly includes a body member movable within a cage. A plurality of springs, such as spring washers, are employed in the cage to provide a stored spring energy to maintain the clamping pressure in a desired range. The clamping arrangement preferably includes a pair of jaws, hinged together at one end so that the other ends of the jaws are moved toward and away from one another. The nut assembly presses the free ends of the jaws together to maintain a desired tightness in the pipe joint.

Abstract: In order to elongate and relax a stud, a first part which is movable only in an axial direction engages the stud, a second part is connected with the first part, a friction element is connected with at least one of the parts radially inside the one part so that the first part has more surfaces cooperating with other elements than the second part, and then a holding force is applied to the friction element while an opposite active force is applied to the second part so that the second part is moved in the transverse direction and the first part is moved only in the axial direction to elongate the engaged stud.

Abstract: An attachment nut includes a base member (1) and an elastic retaining insert (6) connected to the base member. The attachment nut serves for fastening components (18), for instance pipe members, to a C-shaped profiled rail (15). The retaining insert (6) has locking tabs located diametrically opposite one another. The tabs can be pivoted about an axis into a slot-like opening in the profiled rail (15) to prevent the turning of the attachment nut. Each locking tab has a projecting lug for effecting the manual turning of the attachment nut within the profiled rail (15).

Abstract: A process for production of a two-part cage nut from a single metal plate. The cage nut includes a nut slidably carried on a holding part. The nut includes a base plate having a threaded sleeve. The holding part includes a holding plate having an aperture and a pair of side walls which are bent over the edge of the base plate of the nut. The process production includes stamping the holding part and nut from a single metal plate. The nut is joined to the base plate by a narrow connecting web. The base plate is then bent about the connecting web and positioned over the holding plate between the side walls. The side walls are bent inwardly until they extend over the side edges of the base plate of the nut. The nut is separated from the holding plate by shearing off the now bent over portion of the connecting web. The nut is permitted to slide between boundary tabs on a guide path between the side walls.

Abstract: A lock nut to connect a joint having a threaded connector has a first nut member engagable with the threaded connector and axially displaceable, a second nut member engagable with the first nut member and turnable about an axis, a third nut member which is non-rotatably but axially displaceably connected with the first nut member and has a first substantially smooth surface over which the second nut member moves during rotation and another substantially rough surface which is embedable into a surface of the joint, and a locking element to achieve non-rotatability of the nut members. When the second nut member is turned about the axis against the smooth surface of the washer, the first nut member is displaced axially to apply a load to the threaded connector, while the rough surface of the third nut member embeds into the surface of the joint. When the lock nut is sufficiently tightened, the locking element eliminates the rotation of the second nut member.

Abstract: A fastener module includes a washer having an upper portion with a first passage defined therein and a lower portion with a second passage defined therein and communicating with the first passage. A head is mounted on the upper portion of the washer and has a shank extending downwardly from a lower portion thereof and mounted in the first passage. An annular groove is defined around a periphery of the shank and communicates with the second passage. A snapping ring is mounted in the annular groove and received in the second passage and is abutted against the upper portion of the washer.

Abstract: A captive nut having a knob, rotatable about a central longitudinal axis, the knob having an internally threaded longitudinal hole extending at least partially through the knob and a means to facilitate rotation of the knob. Also included is a hollow ferrule having a panel attachment means for attachment of the ferrule to a panel, and a knob captivation means wherein the knob is slidably and rotatably attached to an end of the ferrule such that when the nut is in a fully retracted position, the knob captivation means prevents the ferrule and the knob from separating.

Abstract: A washer for a male or female threaded fastener includes an annular ring portion and a seat portion with a cantilever portion extending therebetween. The washer hardness is selected to exceed the threaded fastener hardness by an amount that enhances the elastic deflection of the washer and reduces the tendency of the fastener to loosen. The selected hardness relationship also reduces the washer diameter dilation during loading and the permanent deformation of the washer diameter.

Abstract: A jam nut apparatus for fastening to a threaded end of a bolt to secure the bolt where the threaded end has first handed threads includes a locking nut having an internal nut passageway with nut internal threads, the nut passageway having a first passageway end with an inwardly extending locking flange, a bolt end cap having a tubular cap side wall, the cap side wall having an open end with a locking edge and an inner surface with first handed internal threads, for engagingly receiving the threaded end of the bolt, the cap also having an outer surface with second handed external threads opposite to the first handed thread direction, external threads onto which the locking nut threads engagingly fasten, where the locking nut threads are oriented in the second handed direction.

Abstract: A strengthened pipe fitting for connecting to an externally threaded surface and a method for making a strengthened pipe fitting for connecting to an externally threaded surface is provided. The strengthened pipe fitting comprises a pipe fitting having an internally threaded surface initiating from the attachment end and a compression band fitted onto the attachment end of the pipe fitting. The pipe fitting is initially manufactured, in absence of the compression band, to have an internally threaded surface with a pitch diameter larger than that specified for mating with the externally threaded surface. The compression band is then fitted onto the attachment end of the pipe fitting. The compression band is uniquely sized to compress the internally threaded surface sufficiently so that the internally threaded surface of the strengthened pipe fitting mates with the externally threaded member.

Abstract: The tightening screw of the invention comprises a screw member forming female threads or male threads in a shaft core part, a flange ring fitted to the outer periphery of the screw member to contact with the object to be tightened, an operating ring for feeding a rotational force by fitting oppositely to the flange ring on the outer periphery of the screw member, and a torque transmitting member interposed between the screw member and operating ring for transmitting the rotational force of the operating ring to the screw member, wherein the torque transmitting member comprises a rotation number reduction mechanism for transmitting the rotational force of the operating ring to the screw member by reducing the rotation number and thereby increase the transmitted torque, and a unidirectional torque limiter for cutting off transmission of torque in the tightening direction of the screw member to the object to be tightened at a specific load.

Abstract: The tightening screw of the invention comprises a screw member forming a female threads or male threads in the shaft core part, a flange ring fitted to the outer periphery of the screw member to contact with the object to be tightened, an operating ring for feeding a rotational force by fitting oppositely to the flange ring on the outer periphery of the screw member, and a torque transmitting member interspaced between the screw member and operating ring for transmitting the rotational force of the operating ring to the screw member. The torque transmitting member comprises a reduction mechanism for transmitting the rotational force of the operating ring to the screw member by reducing the speed, and a unidirectional torque limiter for cutting off transmission of torque in the tightening direction of the screw member to the object to be tightened at a specific load.

Abstract: A tightening screw in which a rotating ring is rotatably held on a flange ring, a screw member having female threads in the same pitch as the male threads of the bolt to be fitted, with the female thread diameter formed larger than the male thread diameter, is rotably held eccentrically so that some of the female threads of the screw member may be engaged with the male threads preliminarily, and the flange is fixed at the time of tightening so that the rotating ring may revolve the screw member, and thereby the decelerated rotation created in the screw member produces a large tightening force to increase the torque.

Abstract: A locking fastener (10) comprises a nut (12) having a threaded portion (14) formed about a central axis (16) of the fastener. A head portion (18) of the nut is formed integral to the threaded portion (14), for gripping the fastener during tightening or loosening. An inner member (22) is provided coaxial with the head portion (18) and is designed to be mechanically coupled to an underside of the head portion (18) so as to be substantially immobile relative to the head portion. Inner member (22) is provided with inclined cam means (24) in the form of a plurality of cam surfaces arranged in an annular configuration about the inner member (22). A locking member (26) is provided coaxial with the threaded portion (14) and has a matching cam means (28) on one face adapted to rotatably interengage in facing relation with the inclined cam means (24) on inner member (22).

Abstract: The self-locking quick disengagement nut has a bore therethrough which clears the threads of a thrust screw. On another axis, intersecting the clearance axis, a threaded bore has thrust screw-engaging threads. The nut is formed of two parts, lying substantially in opposite sides of the plane through the axes. The pivot pin lies closer to the threaded shaft axis than the major diameter of the threaded shaft so that the thrust screw urges the nut toward thread engagement without applying excessive bending to the thrust screw.

Abstract: A novel mechanical camper jack for mounting on a camper body is disclosed. The jack has an outer jack housing, which mounts to the camper body, and is slidably telescoped over a jack leg. Extension and retraction of the camper jack leg is accomplished with rotation of a lead screw that is threaded through a plastic nut mounted within the jack leg. Rotation of the lead screw is effected by the operation of a right-angled gear assembly, disposed within the jack housing. The gear assembly is operated with a hand crank, which is detachably mounted to the jack via a socket assembly. In one embodiment, the hand crank is provided with a ratchet and paul mechanism. The socket is implemented so that the coupling between the hand crank and the gear assembly occurs completely within the jack housing. In this way, the socket extends through the wall of the jack housing in a manner so as to be substantially flush with the exterior surface of the jack housing.

Abstract: A composite coupling nut and method of making the same wherein a substantially rigid annular body portion with an internal threaded portion is provided with an outer annular layer of an elastomeric material formed thereon in intimate juxtaposed relation to increase the grasping coefficient.

Abstract: An adapter assembly which is particularly advantageous in allowing for adjusting and positioning of prosthetic devices which are attached to a stump or stump socket. The adapter is particularly advantageous for orienting and positioning of a Symes prosthesis, due to the small space requirements. In accordance with a preferred embodiment, an interface member is attached to a stump socket, with a nut movably disposed inside of a cavity of the interface member. The nut includes an aperture extending therethrough, and receives a hollow laminating bolt which clamps the prosthesis and adapter assembly in place to allow the user to test the prosthesis. If adjustments are needed, the hollow bolt can be loosened, and adjustments performed via the movably disposed nut. Once a desired position is achieved, a resin is injected through the laminating bolt and into the cavity of the interface. After the resin has hardened or cured, the hollow laminating bolt is replaced with a solid bolt.

Abstract: In order to elongate and relax a stud, a first part which is movable only in an axial direction engages the stud, a second part is connected with the first part, a friction element is connected with at least one of the parts so that the first part has more surfaces cooperating with other elements than the second part, and then a holding force is applied to the friction element while an opposite active force is applied to the second part so that the second part is moved in the transverse direction and the first part is moved only in the axial direction to elongate the engaged stud.

Abstract: An apparatus is disclosed for joining structural units. A structural unit, such as a precast concrete section of pipe, decking, bridge structure, building structure, or pavement, includes a plurality of spaced, longitudinally aligned tubular members. The ends of each structural unit are flush, and the ends of the tubular members are flush with the ends of the structural units. When two of such units are to be joined together, a guide member is inserted in one end of each of the first tubular members in the first structural unit, while an internally threaded insert member is inserted into a corresponding end of each tubular member in the second structural unit. The guide members and insert members have axial apertures with the aperture in the insert member being internally threaded. The two structural units are brought together so that each guide member on the first structural unit enters into the corresponding end of the tubular members containing the inserts in the second structural unit.

Abstract: A mechanical tensioner for elongating and relaxing a stud having an axis and arranged in an object, comprises at least two parts including a first part connectable with a stud to pull the stud in an axial direction so as to elongate the stud and thereby to tension it in an object or to relax the stud, a second part connected with the first part movably in a transverse direction relative to the first part, and a friction element arranged between the first part and the second part and connected with the first part immovably in a transverse direction relative to the first part.

Abstract: A fastening assembly for securing plastic panels (50) to metallic substrates (52) is provided in which a metallic nut (14) is mounted in snap-fit relationship on plastic insert (12), which is in turn engaged in snap-fit relationship on the metallic substrate (52). The nut (14) slidably engages the plastic insert (12) to permit certain movement along an axis perpendicular to the axis of the insert (12) to provide thermal compensation for the mounted plastic panel (50). The nut (14) itself utilizes the same guide lug structure (26) of the insert member (12) to both effect snap-fit retention of the nut (14) on the insert (12) and to guide the sliding movement of the nut (14) with respect to the insert (12).

Abstract: Cantilever shafts (34, 40) support bearing assemblies (54, 56). An improved lock nut (70-86) permits precise installation of the bearing assemblies, to improve operation of associated rotary tools (18, 20).

Abstract: The invention relates to a metal fixation insert for stiffening the fixation zone of a part of plastic material on a support. This metal fixation insert is made of rolled steel which is perforated.

Abstract: A three element fastening assemblage comprising a nut formed with a head end and a collared end, a dished-shaped washer and a retaining strap having a circular aperture aligned on the strap longitudinal axis of symmetry. The washer central base has its seating surface axially depressed from a radially extending peripheral washer flange facing surface. The retainer strap has oppositely extending bifurcated ends defining pairs of washer retention prongs the distal ends of which are pre-bent to extend normally from a facing surface of the strap. The nut is initially positioned with its head end extending through the strap aperture with the nut collar providing a stop shoulder contacting the strap facing surface. With the strap facing surface in flush contact with the washer facing surface the prong distal ends are reverse bent about the washer flange circular edge thereby capturing the nut collar between the strap facing surface and the washer seating surface.

Abstract: The present invention is a method of manufacturing a screw connector by an injection metal mold. The screw connector includes a connector main body and a nut embedded in the connector main body. An axis of the nut extends in a forward and backward direction of the connector main body. The screw connector further includes a first opening located on a front side of the nut to be inserted by a bolt of a mating connector and a first columnar space located on a rear side of the nut to receive a distal end portion of the bolt. The method includes the three steps. The first step is setting said metal mold in such a state that said nut is held by a front projection portion and a rear projection portion. This front projection portion projects rearwardly and having a small diameter portion and a portion having larger diameter than said small diameter portion. This rear projection portion projects forwardly to be in contact with a rear end face of said nut. The second step is injecting a melted resin in said metal mold.

Abstract: A warp beam flange assembly has a warp beam flange and a clamping ring. The clamping ring is releasably clamped, along with the flange, by at least two clamping screws onto a warp beam tube. To simplify manufacturing, the clamping ring is fastened by at least two axial fastening screws onto the flange outer surface and is supported directly on the flange outer surface by at least two rests. The rests are circumferentially offset from one another and form between them a clamping gap region in the shape of a segment of a circle. At least two axial clamping screws are circumferentially offset from each other and are located in the clamping gap region such that tightening the clamping screws in the clamping gap region reduces the space between the clamping ring and the flange outer surface and, as a result, induces flank pressure in a threaded engagement.