Abstract: The present invention discloses a pivotal disc is pivotally coupled to a first brace and a second brace. The pivotal disc has a motion-limit member and a positioning member limiting the angle by which the second brace rotates with respect to the first brace with the pivotal disc being the axis and fixing the angle between the first and second braces. The present invention is characterized in that the motion-limit member uses a range-adjust member to push a slide block and determine the range that a block portion of the second brace is blocked by the slide block, and that the positioning member uses a switch knob actuates on end of a positioning rod to engage with or depart from a positioning notch on the pivotal disc, and that the pivotal disc has two limit elements to define the maximum movement range of the first brace and the second brace.

Abstract: A fastener including a head defining a hexalobular drive hole, a shaft, threads and a pointed end. The hexalobular drive hole can include points having an outermost portion, and the head can include an outer surface, where a thickness of about 0.01 inches to about 0.04 inches is defined between the outer surface and each respective point. The outer surface can be cylindrical, and can transition to a tapered portion that is joined with the shaft. The tapered portion can be frustoconical, angled and/or curvilinear. A related method of installation is provided for advancing the fastener into the side of a first board at an angle to fasten the first board to an underlying second board.

Abstract: A low energy wood screw that may be inserted quickly and using less energy than conventional screws. In various embodiments, the screw may include a countersunk head having a recess for accommodating a driving tool, a tapered neck, a plurality of crown ribs extending over the head and neck, a lubricating coating, main threads with a large thread lead, and lower threads having an asymmetrical profile and extending onto a gimlet point.

Abstract: Threaded connectors for securing a structure such as a post or pole to a support are disclosed. In one embodiment, an anchor has a passageway that is threaded for at least a portion of its length. An elongate connecting member has a relatively wide central section and threaded first and second sections extending from opposite sides of the central section. The first section is threadable into the passageway to secure the connecting member to the anchor. The connecting member is formed with a turning formation at its outer end so that it can be engaged with a turning tool in order to thread the connecting member into or out of the passageway. A nut is part of the connector and can be threaded onto the second section in order to secure the structure. Another version of the connector has a flanged nut having a flange spaced from the outer end of the nut, which is threadable onto a threaded connecting member.

Abstract: A vented set screw is used to secure a connection between an implantable medical device and an implantable lead. The vented set screw includes one or more venting channels that allow liquid and/or gas to flow out of the implantable medical device when the implantable lead is being inserted into the implantable medical device and secured during an implantation procedure. This prevents pressure from building up at the connection, thereby ensuring proper performance of sensing and/or therapy delivery functions of the implantable medical device.

Abstract: The invention relates to a fastening means for use in joining components together and/or providing a ground or earth connection. The fastening means includes a formation (28), typically provided on the underside (30) of the head (24) of the fastening means. The formation is provided such that when the fastening means is driven into a component, the formation pierces through at least one layer (8) of material of the component to substantially separate a portion of the material from the remainder of the layer. This can be used to allow the remainder of the material to be removed and/or connection with an underlying layer to be achieved.

Abstract: A slotted set screw includes a slot in an upper end surface and a cut metal waste storing recess respectively formed at two ends of the slot. The cut metal waste storing recess is defined by a vertical wall and a flat bottom wall to have a large opening, separated from the slot for a little distance. The opening of the cut metal waste storing recess communicates with the outside of the threads of the set screw. Thus, cut metal waste may be stored in the cut metal waste storing recesses during cutting threads of the set screw and cannot fall into and remain in the slot to result in extra cleaning work for the waste in the slot.

Abstract: A chassis for coupling a stack of two or more telecommunications modules to a front side of a racking system, including a bracket having a back member shaped to extend across a back side of said stack of modules, and side members extending from opposite end sections of the back member towards a front side of the modules; module fasteners for coupling respective ones of said modules to respective sections of the back member; and a rack fastener for coupling the bracket to the racking system, wherein said module fasteners facilitate individual stacking of the modules to said respective sections of the back member one on top of another.

Abstract: A compression generator uses a plurality of jackbolts threadedly engaged at a spaced apart relation about a bolt circle in a main core element. The main core element is releasable interlocked by threads, bayonet connection or other form of fasting system with the mounting element forming a fixed part of the mechanical connection. The jackbolts torqued to generate a pushing force in an axial direction for compressing a moveable part of the mechanical connection against a compression seat for forming a mechanical connection between juxtaposition fixed and moveable parts.

Abstract: The present invention relates to an article of manufacture and a method of how to utilize the same in the metal wall panel industry. More particularly, the present invention relates the attachment of aluminum facial panels to exterior building construction. Even more particularly, the present invention relates to a universal fastening device utilized in the metal wall panel industry to support, to fasten and to attach architectural panels together creating a panel-to-panel assembly and subsequently attaching the assembled panels to the exterior surface of a building. The universal fastening device of the present invention is easily installed, since the same type of fastening device may be utilized on all four sides of the aluminum panel.

Abstract: A compression generator uses a plurality of jackbolts threadedly engaged at a spaced apart relation about a bolt circle in a main core element. The main core element is releasable interlocked by threads, bayonet connection or other form of fasting system with the mounting element forming a fixed part of the mechanical connection. The jackbolts torqued to generate a pushing force in an axial direction for compressing a moveable part of the mechanical connection against a compression seat for forming a mechanical connection between juxtaposition fixed and moveable parts.

Abstract: An improved high frequency filter in a coaxial construction with one or a plurality of resonators has a thread pitch or thread pitch angle of an external thread of a thread-like tuning element which differs from the thread pitch or the thread pitch angle of the internal thread of the thread receiver at least in a partial portion of the length of the internal thread and/or of the external thread. The difference between the thread pitches or the thread pitch angles between the external thread of the thread-like tuning element and the internal thread of the thread receiver is more than 0.5%, and preferably 1% to 5%.

Abstract: A thrust screw (14) for applying force against an object. The thrust screw (14) comprising a housing having a ball (12) secured therein. The ball (12) having a flat planar surface (16) which contacts the objects for applying force against the object.

Abstract: Devices and methods include an anchor assembly engageable to a vertebra and a connecting element positionable through a receiver of the anchor assembly. The assembly includes an engaging member for engaging the connecting element in the receiver. The engaging member includes a plurality of elongated arcuate projecting members extending about a rotational center of the engaging member and projecting from an end surface of the engaging member to positively engage the connecting element in the receiver.

Abstract: A bicycle drive unit includes a crank having multiple branched radially extending from one end thereof. Each branch has a through hole defined therein. A chain wheel set is laterally mounted to the branches of the crank. The chain wheel set has multiple threaded holes defined therein and each threaded hole co-axially aligning with a corresponding one of the multiple through holes in the crank. A fastener is screwed into a corresponding one of the threaded holes in the chain wheel set after extending through a corresponding one of the multiple through holes in the crank for assembling the crank and the chain wheel set.

Abstract: A locking mechanism to prevent rotation between a press frame and a hydraulic cartridge threaded into the press frame is disclosed in one aspect of the invention as including a locking mechanism body; one or more fasteners to attach the body to the frame of an HPHT press; and a pin extendable with respect to the body and adapted to engage an aperture in the hydraulic cartridge. The pin prevents rotation of the hydraulic cartridge relative to the frame. In certain embodiments, a cap constructed of a softer material than the hydraulic cartridge is attached to the end of the pin to prevent scratching or damage to the hydraulic cartridge.

Abstract: A slotted set screw includes a slot in an upper end surface, and a cut metal waste storing recess respectively formed at two ends of the slot. The cut metal waste storing recess is defined by a vertical wall and a flat bottom wall to have a large opening, separated from the slot for a little distance. The opening of the cut metal waste storing recess communicates with the outside of the threads of the set screw. Thus, cut metal waste may be stored in the cut metal waste storing recesses during cutting threads of the set screw, without falling into and remaining in the slot to result in extra cleaning work for the waste in the slot.

Abstract: A knee brace is provided with push button actuatable stops, wherein the stops are biased outward into angular locking positions and inwardly directed pressure on the push buttons releases the stops and permits angular adjustment of the stops. A pair of catch plates with locking recesses facing inward, are provided, and outwardly biased locking pins engage the recesses in both catch plates. Each of the stop assemblies has an outwardly directed plate extending over the outer cover plate, and this plate is coupled to the physical stop member around the outer edge of the outer cover plate. The cover plate has angular indicia thereon, which may be viewed through windows in the outwardly extending plate portions of the stop assemblies.

Abstract: A pipework has an outer pipe, an inner pipe a position hole, a pressing element and a bolt. The outer pipe has an outer wall. The inner pipe is slidably mounted in the outer pipe. The position hole is formed through the outer wall of the outer pipe and has an inner thread and at least one locating slot. The pressing element is mounted in the position hole and has a mounting recess and at least one locating block formed on and protruding from the pressing element. The blot is connected to the pressing element, is screwed with the position hole and has a body and a mounting head. The body is mounted in the position hole and has a mounting segment and an operating segment. The mounting head is formed on the mounting segment and is mounted rotatably in the mounting recess.

Abstract: An adjustable door frame system includes at least one vertical frame member having a movable vertical subjamb assembly capable of outward movement relative the vertical frame member. The adjustable door frame system also contains a horizontal frame member having a movable horizontal subjamb assembly capable of outward movement relative the horizontal frame member. The door frame system also contains a plurality of adjusting mechanisms coupling the vertical subjamb assembly and horizontal subjamb assembly to the frame members. Each adjusting mechanism includes a hex nut connected to its subjamb assembly with a hex nut clip, and a hollow set screw and guide tube. Rotation of the hollow set screw causes the hex nut to move axially along the guide tube thereby causing the hex nut clip and its connected subjamb assembly to be adjusted outwardly with respect to the door frame system, thereby filling a gap between its frame member and the wall section.

Abstract: Pumping system comprising: a progressive cavity pump comprising a helical rotor inside a helical cavity of an outer stator; motor for driving the rotor, with a motor shaft coaxial to the axis of the stator cavity; and an intermediate shaft coupled, at its ends, by respective couplings, to the rotor shaft and to the motor shaft. Two devices consisting of two of these connected parts are constructed as a male device terminated by an axial stub and a female device terminated by an axial housing receiving the stub, at least two radial screws, not aligned, one of which is a cone-point set screw, connected the stub to the female device.

Abstract: A low swage load fastening system is provided for installing swage-type fasteners to secure a plurality of workpieces together. The fastener includes a pin member, having an elongated pin shank to be located in aligned openings in the workpieces. An enlarged head at one end of the pin engages one side of the workpieces. A grooved pin portion extends past an opposite side of the workpieces. A collar includes a shank portion adapted to be swaged into the pin lock grooves in response to a relative axial swage load applied by an installation tool. As one aspect of the system, the collar is as-headed and does not require thermal processing yet provides an optimum balance of reduced collar shank wall thickness and increased hardness, whereby the swage load is minimized. A low swage load thread form for the lock grooves of the pin is also provided, a reduced diameter, relatively short pull portion pin extension, installation tool improvements, and an associated method of use are also disclosed.

Abstract: A thrust screw (14) for applying force against an object. The thrust screw (14) comprising a housing having a ball (12) secured therein. The ball (12) having a flat planar surface (16) which contacts the objects for applying force against the object.

Abstract: The invention provides a connection structure installed in a data processing apparatus. The data processing apparatus includes a keyboard and a base. The keyboard includes a bottom. The base includes a top plate. The connection structure connects the bottom and the top plate. The connection structure includes a mounted boss and a mounting hole. The mounted boss is disposed on the bottom of the keyboard. The mounted boss includes a groove. The mounting hole is disposed on the top plate of the base. The mounting hole includes a protrusion. When the bottom of the keyboard is assembled to the top of the base, the mounted boss would fit into the mounting hole, such that the protrusion is locked with the groove.

Abstract: A linear locking set screw system capable of rapid linear engagement and disengagement includes a threaded outwardly expandable set screw and an expander member which are constructed and arranged to thread easily into a threaded aperture while in a first release position and can thereafter be securely locked in place and/or provide a secondary clamping force in a second engaged position. In this manner, the linear fastener system is capable of providing a precise, secure, and reproducible connection between multiple components without the need to apply rotational torque to the assembly.

Abstract: A set screw includes a threaded body having a hole defined therein, wherein the hole is situated along an axis of the threaded body. The set screw also includes a super-elastic alloy insert, such as a nickel-titanium alloy (NiTi) insert, partially received and secured within the hole. The NiTi insert may include a plurality of grooves adapted to allow for transverse expansion of the NiTi insert. The NiTi insert may be polygonally or cylindrically shaped. The NiTi insert may also have a substantially flat tip.

Abstract: A surgical implant or instrument has two parts, one sliding on the other, the lower part being provided with a threaded bore and the upper part being provided with a passage orifice for receiving a fixing screw. The set screw can be received over its entire length beneath the upper part in the threaded bore and includes, at its upper end, a dog point which is thinner than its threaded part and which is provided with a slit, groove or hexagon socket for a screwdriver, the diameter of the passage orifice being smaller than that of the threaded part and larger than that of the dog point. An elastic device is provided for the implant or instrument which pushes the fixing screw into the fixing position.

Abstract: In an inclination adjusting apparatus comprising two base members opposing each other, an adjusting screw for relatively inclining the two base members with respect to each other is rotatably threaded into and held by one of the two base members while projecting a leading end part from the one base member toward the other base member. The other base member is provided with a sphere-bearing surface opposing the leading end part of the adjustment screw. A rigid spherical member is held between the adjustment screw and the sphere-bearing surface.

Abstract: In one embodiment, a fastener includes an integrated isolation member composed of a resilient material, the isolation member being adapted to isolate a storage media drive to which the fastener is to be mounted from a drive cage in which the drive is to be installed, the isolation member being sized and configured to fit within a slot of the drive cage and to abut a surface of the drive cage.

Abstract: A connector block and associated locking setscrew for an implantable electronic tissue stimulating device are designed to eliminate thread damage to the setscrew which is a cause of the setscrew becoming stuck in the connector block. The threaded bore in the connector that is adapted to receive the setscrew is provided with an undercut at the end of the threaded bore where the undercut provides an annular, 360-degree flat surface that is normal to the longitudinal axis of the setscrew receiving bore. The setscrew employed is designed to have a shoulder machined a predetermined distance below the terminus of the final thread by machining a reduced diameter portion on the distal end of the setscrew. Now, when the setscrew is inserted into its threaded bore, the shoulder on the setscrew and the flat surface on the undercut in the connector block meet, preventing any portion of the screw threads from extending beyond the internal threads formed in the setscrew receiving bore of the connector block.

Abstract: According to the present invention, there is provided a transverse connector having a seat rod for seating a rod therein engagement mechanism including a rod engagement seat forming a portion of the rod seat, the engagement mechanism being movable into and out of engagement with the rod seated in the rod seat.

Abstract: An adapter for hanger bolts is disclosed that includes a hex head adapted for use in a receiving device, a socket head set screw having a thread, wherein the socket head set screw is set at least partially in a socket head set screw receptacle of the hex head, and a hanger bolt housing having a hanger bolt channel abutting an end of the socket head set screw receptacle.

Abstract: A fastener such as a set screw which is used for clamping materials. The set screw has an aperture provided at one end thereof for acceptance of a tightening means. An opposite end of the set screw has an aperture which is capable of accepting a shaft portion of a pin member. A head portion of the pin member is positioned outside of the aperture at an end of the set screw and has a point surface which clamps against the materials to be clamped. Upon rotation of the set screw by the tightening means, the pin member also rotates. The pin member continues to rotate with the set screw until the point contacts the material to be clamped. Continued rotation of the set screw forces the pin member to clamp the material, without rotating, such that the material engaged by the pin member will not be damaged during the rotation of the set screw to its final position.

Abstract: A locking nut includes a threaded main bore for receiving a threaded portion and a number of oblique bores in each of which is positioned a locking pin having a forward end for engagement against the threaded portion. The oblique bore and the associated locking pin have a common longitudinal axis extending at generally the same angle to the axis of the threaded main bore as one of the flanks of the thread of the threaded main bore so that the forward end of the locking nut has at least one flank generally parallel to the longitudinal axis and lying parallel to the portions of the one flank of the threaded main bore adjacent the inner end of the oblique bore. Each locking nut is generally cylindrical and possesses an outer surface that is grooved or serrated to facilitate insertion of the locking nut into the respective oblique bore.

Abstract: A connection for joining an actuator to a valve comprising providing at least two flanged pins each in the body of the valve, providing at least two mating holes in a body of the actuator, the mating holes being aligned with the pins, providing a tapped hole transverse to each of the mating holes, the valve body being joined to the actuator such that the pins mate slidably with the holes, with set screws in the tapped holes engaging the flanged pins to axially tension the pins to draw the valve body into physical contact with the actuator.

Abstract: A spinal implant assembly is provided which has a stabilizer rod clamped into position within an anchor by means of a sliding closure member including a mating set screw or hook. The exterior faces of the anchor are contoured to optimize interface in the surgical setting. The anchor includes a U-shaped channel having multiple undercut surfaces such as grooves, which mate with flange like projections or “dovetails” of a closure member which is slid in a direction corresponding to the longitudinal axis of the rod. The closure member has on either side a flange mating with opposing recesses formed at the top of the U-shaped channel so as to lock the closure member in place. The set screw has an external hex head for tightening, and a plurality of radically extending prongs which are undercut and which mate with the recesses in the top of the U-shaped channel of the anchor. The hex head sheers at a necked area above the radial collar to provide for a flush surface relative to the closure member.

Abstract: The present invention relates to a screw comprising a screw body including a tip portion having a front face, an end portion having a rear face and being positioned to lie in spaced-apart relation to the tip portion, a threaded portion having a rounded thread extending between the tip portion and the end portion, and a passageway extending the length of the screw body from the front face to the rear face.

Abstract: The present invention deals with a spring-loaded tension and compression pin comprising a bush containing a spring and plunger for locating mechanical components, in which the plunger has at least one guide surface and/or at least one edge on its generated surface which engages directly with a corresponding guide surface on the threaded bush.

Abstract: The slotted screw is made with an apparatus for forming a slot in a semi-product of a screw prior to thread formation and includes a punch and a die mechanism. The die mechanism includes a tubular member, and an elongated die member formed integrally with a slot-forming plate which is located at a front end portion thereof and which has a uniform-thickness flat middle portion and two side portions that are wider than the middle portion. The semi-product can be compressed between the punch and the slot-forming plate of the die member in a central bore in a high-hardness block, which is fixed in the tubular member, to form the slot. Accordingly, the slot has a uniform-width middle portion and two end portions which are wider than the uniform-width middle portion.

Abstract: A clamping screw comprising a main body portion generally cylindrical in shape and having a length extending between a first end and a second end and an axis of rotation extending in the direction of the length. The main body portion comprises an outer surface having threads arranged along at least a portion of the length and an inner bore defining an opening at the second end of the main body portion. The clamping screw includes a head portion comprising a contacting surface, with the head portion being positioned adjacent the second end of the main body portion and being axially movable relative to the main body portion. A spring is provided to urge the head portion away from the main body portion in an axial direction. In a preferred embodiment, the inner bore extends along the entire length of the main body portion defining a first opening and a second opening at the respective ends of the main body portion.

Abstract: An improved set screw with a break off head for use in an osteosynthesis apparatus. The set screw comprising a head or stem preferably having a hexagonal external cross-section, a lower portion having a thread extending around an outer surface thereof and a shank connecting the head to the threaded lower portion. An outer diameter of the shank is equal to a minor diameter of the threaded lower portion, i.e. the outer diameter of the threaded lower portion at the base of the thread. A bore extends into the set screw from an upper surface thereof. The bore has a first bore section and a second bore section wherein the second bore section has a reduced diameter relative to the first bore section and is separated from the first bore section by an internal shoulder. The internal shoulder extends into the bore below an upper end of the thread.

Abstract: The present invention relates to a tear-off cap or shearable screw (1) comprising a plurality of thread portions (3) and a cap portion (5) connected with the thread portions (3) via a first predetermined breaking point (7), wherein further predetermined breaking points (9) in the form of cross-section tapering are provided between the thread portions (3). The present invention distinguishes itself by the fact that the tear-off torques both increase and decrease from the most remote thread portion towards the cap portion (5), this forming at least one stepped predetermined breaking point (13).

Abstract: A chuck for rotary tools with a cylindrical chucking shank encloses such shank with a basic body. A radial through-hole in basic body serves to receive a clamping screw which applies pressure to a clamping member which is seated inside a through-hole between the clamping screw and chucking shank. A clamping member is provided with a radial projection and the through-hole with a cross-sectional narrowing along its inner end. In between the radial projection and the narrowing is an elastically compressible spring element which, due to its return force, lifts the clamping element away from the chucking shank and pushes it back into the through-hole when it is not under tension from the clamping screw.

Abstract: Jackbolts for multi jackbolt tensioner embody a thread construction which taper from a maximum diameter adjacent to torque receiving end of the jackbolt when threadedly engaged with a threaded opening in the outer peripheral part of a jackbolt body. The threads of the jackbolt have a different thread pitch than the threads in the jackbolt body and the tooth flank of the jackbolt threads for an angle with the tooth flanks of the thread in the jackbolt body. By this thread construction, there is formed a helical volume of ever increasing size along the jackbolts commencing at a metal to metal relation at the torque receiving end. Stressing of the jackbolt closes the helical volume bringing the threads to a metal to metal load transfer relation. The end of the jackbolts has a protruding central end portion that elastically flattens under stress to reduce torque requirements.

Abstract: A tamper-proof seat screw (30), such as an idle set screw for a throttle lever of a throttle body, comprises a tool-engageable head (31) at one end, a foot (34) at an opposite end, and a threaded shaft (32) between the head and the foot with the threaded shaft having an adhesive coating (36) thereon that forms an adhesive joint between the threaded shaft and a threaded throttle body bore (10a). An anti-tampering slip collar (42) is provided on an anti-tampering break-away shaft (40) between the threaded shaft and the foot to hinder post-factory tampering of the screw.

Abstract: An improved set screw, for use in an osteosynthesis apparatus to secure and fix the spinal rod in the bore of the head of a bone screw, hook, connector or the like from translational or rotational motion, which comprises a head of hexagonal external cross-section and a lower portion having a threaded outer surface. A point is centrally formed on a lower surface of the set screw for penetrating into the rod and the point is preferably surrounded by a spaced and sharpened ring. In some embodiments a peripheral notch is formed between the head and the lower threaded portion of the set screw. A cylindrical bore comprising an upper bore section and a lower bore section is formed in the set screw such that the upper bore section extends through the head and the lower bore section extends partially through the set screw lower portion.

Abstract: A device having a fixture with a working surface and at least one hole, at least one stop rising above the working surface, a fastener, a gripping member having a first block portion and a second block portion where the first block portion is joined to the second block portion for relative movement. Each block portion has an inner wall and a gripper wall adapted to engage a workpiece, the inner walls of the first and second block portions form a through bore for receiving the fastener when the first and second block portions are joined and each inner wall has a lower radial surface and an upper conical surface.

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 gripping device including a fixture having a working surface and at least one hole. A stop rises above the working surface of the fixture. A threaded fastener is provided to screw into the at least one hole in the working surface of the fixture. A gripping member is provided such that a work piece can be held in a stationary fashion between the gripping member and another element such as a stop. The gripping member includes a conical bore and an elongated bore. The elongated bore is a through bore in that it extends through the entire thickness of the gripping member. The conical bore extends through only a portion of the thickness of the gripping member. The fastener extends through both the conical and elongated bores. The elongated bore is offset towards the gripping face of the gripping element thereby enabling the gripping member to travel to an from the work piece a greater distance than gripping members employing a centrally located circular through bore.

Abstract: A threaded connection between adjoining male/female surfaces is produced by mating a plastic insert embedded in one surface with threads machined on the other surface. The plastic insert is pressed against the machined threads and deformed to provide conforming meshing threads in the insert, thereby producing a threaded engagement between the two surfaces. Preferably, the insert is sufficiently wide to overlap multiple machined threads and yield a stable, strip-resistant engagement. By providing at least three such inserts evenly distributed around the preexisting threads, an axially stable, screwable threaded connection is produced between the two surfaces that does not require precise machining or special tooling for unconventional threads. Although the inserts are preferably used in the female surface for ease of access, they can be used advantageously in equivalent fashion in the male surface of the screwable threaded connection.