Abstract: An implant removal tool for use in removing an expandable spinal implant device from a patient and a method of use. The tool includes a shaft having a distal end with a plurality of tabs and a central bore having a threaded section with an internal threaded wall. The plurality of tabs may include two curved tabs having blunt distal ends for cooperating with an implant. The threaded section is configured to receive a threaded shaft of an implant and lock the implant thereon for removal.

Abstract: A bone anchoring device includes a receiving part including a rod receiving portion with a first end, a second end, and a U-shaped recess for receiving a rod, the recess defining two free legs, and a head receiving portion at the second end for introducing and clamping the head, and a locking ring configured to be arranged around the head receiving portion, the locking ring including an engagement structure for engagement with a tool, the engagement structure defining a width of the locking ring that is greater than a greatest width of the rod receiving portion, wherein the locking ring can assume a locking position exerting a greatest compressive force on the head receiving portion of the receiving part to lock an inserted head, and wherein the locking ring is movable out of the locking position towards the first end of the rod receiving portion.

Abstract: Implant systems and methods treatment of a joint include a distal portion, a middle portion, and a proximal portion. The distal portion may include a thread having a first thread minor, a first thread major, and a first pitch. The distal portion also may have a reverse cut, helical fenestration formed through the thread. The middle portion may be devoid of threads and may include a porous outer surface structure to promote bony integration, the porous outer surface structure having a leading end and a trailing end, with the leading end having a diameter larger than the first thread minor. The proximal portion may include a proximal thread having a second thread minor, a second thread major, and a second pitch. The second thread minor may be substantially the same width as the trailing end of the middle portion.

Abstract: Provided in the context of a bolt is a method for achieving antiloosening capability such as will make it possible for tightening operations to be carried out easily and rapidly, and such as will make it possible to obtain antiloosening effect in robust and reliable fashion.

Abstract: A shock absorbing member which absorbs a shock acting between a top plate with an upper surface on which a fixation target is loaded and the fixation target includes a fixation part that fixes the fixation target and a shock absorbing part that is supported by the top plate, supports the fixation part, and absorbs a shock acting on the fixation part.

Abstract: A lining element for a wear-resistant haul truck body lining comprises a reinforcement plate being at least partly embedded in elastic material. The reinforcement plate comprises a plurality of mounting holes which are arranged for mounting the lining element to a haul truck body and which are not covered by the elastic material, and one or more weight-reducing cut-out openings which are larger than the mounting holes and which are covered by the elastic material.

Abstract: An implant removal tool for use in removing an expandable spinal implant device from a patient and a method of use. The tool includes a shaft having a distal end with a plurality of tabs and a central bore having a threaded section with an internal threaded wall. The plurality of tabs may include two curved tabs having blunt distal ends for cooperating with an implant. The threaded section is configured to receive a threaded shaft of an implant and lock the implant thereon for removal.

Abstract: A bone anchoring device includes a receiving part including a rod receiving portion with a first end, a second end, and a U-shaped recess for receiving a rod, the recess defining two free legs, and a head receiving portion at the second end for introducing and clamping the head, and a locking ring configured to be arranged around the head receiving portion, the locking ring including an engagement structure for engagement with a tool, the engagement structure defining a width of the locking ring that is greater than a greatest width of the rod receiving portion, wherein the locking ring can assume a locking position exerting a greatest compressive force on the head receiving portion of the receiving part to lock an inserted head, and wherein the locking ring is movable out of the locking position towards the first end of the rod receiving portion.

Abstract: A wall nail includes a rod body, a nail head, a rotary head, and a rubber cover. The rod body has a first end portion and a second end portion opposite to the first end portion. The nail head includes a threaded rod and a drill. Two ends of the threaded rod are integrally connected with the second end portion of the rod body and the drill respectively. The rotary head is integrally formed on the first end portion of the rod body. The rubber cover covers the peripheries of the rod body and the rotary head.

Abstract: A bone screw for osteosynthesis is provided with screw threads of different pitch or different lead and various diameters in leading, intermediate and trailing ends. The screw may be used to urge together and compress bones or fragments of bone.

Abstract: A method of tissue repair using a surgical assembly that includes the steps of assembling an implant and a driver, capturing tissue with the implant, installing the implant with the captured tissue in a socket or tunnel, advancing a tapered section of a set screw in the implant, thereby expanding the implant and fixing the implant with the captured tissue in the socket or tunnel, and releasing the driver from engagement with the set screw as the distal end of the set screw reaches the implant's closed end. A surgical assembly that includes an expandable implant having a hole with an entrance at a rear end of the implant and a closed end; a set screw, an implant insertion section, a driver engagement section, and a tapered section, where the implant insertion section is received in the hole of the implant, and a driver that is engaged with the set screw.

Abstract: The present invention relates to a system, method, device and kit which utilize a modular pedicle screw implant that does not require the use of a guide wire for implantation and can be assembled in situ. The system, method, device, and kit include a surgical instrument for implanting a modular pedicle screw comprising a cannula coaxially aligned with a modified trocar style instrument or surgical shaft. The surgical shaft contains a first member of a surgical shaft-inner pedicle bone screw member joint, illustrated herein as a locking taper, for securing an inner member of a pedicle screw thereto. The inner member of a pedicle screw is further adapted to couple to an outer pedicle sheath. In combination, the inner member of a pedicle screw and the outer pedicle sheath form a solid modular pedicle screw.

Abstract: A checker nut for locking a threaded body to a threaded rod includes a main body portion having a bearing surface for engaging a threaded body; the main body portion including a central opening with an inside surface; and a single female thread disposed on the inside surface and extending therefrom, the female thread for cooperating with threads on a threaded rod.

Abstract: A method and apparatus for reworking a composite structure. A fastener is cooled from a first temperature to a second temperature at which a diameter of a post of the fastener is reduced by a desired amount. The post of the fastener is placed into a channel in a bushing such that a desired interference fit occurs when the fastener is at the first temperature. The bushing with the fastener is positioned in a hole in the composite structure. A gap is present between an outer surface of the bushing and an inner surface of the hole. A gap is also present between an end of the bushing and a second structure.

Abstract: A saddle bag connector is disclosed. An example saddle bag connector includes a base portion, a post having an opening formed through the post, a pin configured to fit through the opening formed through the post, and a double threaded mounting portion configured for connection to the post. The mounting portion further configured to fasten the post to a saddle to receive a saddle bag on the post.

Abstract: A reinforced cannulated screw assembly includes a cannulated screw and a reinforcing rod coupled to the cannulated screw. The cannulated screw includes a channel formed therethrough that is defined by an inner wall having at least one set of grooves formed therein. The reinforcing rod is configured for insertion into the channel. The reinforcing rod includes a set of protrusions configured to engage the at least one set of grooves.

Abstract: A placement tool for positioning a multipart cannulated screw assembly to fixate first and second bone elements. The placement tool includes a stem and a head carried on the stem. The head has an outer shank engagement provision that engages the proximal end of an outer shank of a bone screw assembly and permits selective rotation of the outer shank. The head also has an inner shank engagement provision that engages the proximal end of an inner shank of the bone screw assembly and permits selective rotation of the inner shank. The inner shank and outer shank engagement provisions are connectable to one another such that the inner shank and outer shank engagement provisions rotate together.

Abstract: A wall anchor for use in a cavity wall to connect to a veneer tie to join an inner wythe and an outer wythe of the cavity wall includes an elongate body having a longitudinal axis, a driven end portion and a driving end portion. The driven end portion is adapted to be threadedly mounted on the inner wythe of the cavity wall. The driving end portion includes a drive head including a receptor opening for capturing a portion of a veneer tie. The receptor opening extends transverse to the longitudinal axis of the elongate body through the drive head. A thermal spacer is attached to the elongate bod. The thermal spacer has a conductivity less than a thermal conductivity of the elongate body and is configured and arranged to reduce thermal transfer in the cavity wall along the elongate body.

Abstract: A system for anchoring a wall including superposed rows of construction blocks to an adjacent upstanding structure, each row including a plurality of the construction blocks, the system comprising: an inter-block element insertable between adjacent ones of the construction blocks and securable thereto; and an anchor including an anchoring portion securable to the upstanding structure and a coupler, the coupler securing the anchor and the inter-block element to each other with the anchoring portion at a predetermined distance from the inter-block element and such that with the anchoring portion operatively secured to the upstanding structure and the inter-block element operatively inserted between the adjacent ones of the construction blocks and secured thereto, the anchoring portion and the inter-block element are movable vertically relative to each other over a predetermined range of motion with the anchor remaining secured to the inter-block element. Also a wall including the system.

Abstract: A bone screw for osteosynthesis is provided with screw threads of different pitch or different lead and various diameters in leading, intermediate and trailing ends. The screw may be used to urge together and compress bones or fragments of bone.

Abstract: A system for anchoring a wall including superposed rows of construction blocks to an adjacent upstanding structure, each row including a plurality of the construction blocks, the system comprising: an inter-block element insertable between adjacent ones of the construction blocks and securable thereto; and an anchor including an anchoring portion securable to the upstanding structure and a coupler, the coupler securing the anchor and the inter-block element to each other with the anchoring portion at a predetermined distance from the inter-block element and such that with the anchoring portion operatively secured to the upstanding structure and the inter-block element operatively inserted between the adjacent ones of the construction blocks and secured thereto, the anchoring portion and the inter-block element are movable vertically relative to each other over a predetermined range of motion with the anchor remaining secured to the inter-block element. Also a wall including the system.

Abstract: An implant for orthopedic surgery includes an impaling member (101,102), which is separable into portions (102a, 102b) for impaling and attaching to tissue, for example, bone. Once the portions (102a, 102b) of the impaling member (101,102) are separated and attached to the requisite tissue, they may accommodate stabilizing members for fixation, or other instrumentation for procedures such as fusion.

Abstract: A veneer tie for connecting together an outer wall and an inner wall spaced-apart from the outer wall and defining a cavity therebetween. The veneer tie includes a screw anchor, including an elongate shaft for penetrating into the inner wall, a head formed on one end of the screw anchor and an opening formed in the head. A pintle adapted for engaging and being carried by the head of the screw anchor is provided, and extends outwardly from the head and bridges the cavity between the outer wall and the inner wall. The pintle has at least one hook for extending through the opening formed in the head for connecting the pintle to the screw anchor.

Abstract: The present invention relates to a system, method, device and kit which utilize a modular pedicle screw implant that does not require the use of a guide wire for implantation and can be assembled in situ. The system, method, device, and kit include a surgical instrument for implanting a modular pedicle screw comprising a cannula coaxially aligned with a modified trocar style instrument or surgical shaft. The surgical shaft contains a first member of a surgical shaft-inner pedicle bone screw member joint, illustrated herein as a locking taper, for securing an inner member of a pedicle screw thereto. The inner member of a pedicle screw is further adapted to couple to an outer pedicle sheath. In combination, the inner member of a pedicle screw and the outer pedicle sheath form a solid modular pedicle screw.

Abstract: The invention relates to a reusable fastener designed to secure material such as promotional posters, displays, and brackets to slatwall or peg board or other backing in a retail environment. The fastener has a head designed to receive display material without removal, and includes brackets and other items as part thereof.

Abstract: A security fastener is for installation on a wheel having a recess hole. The security fastener includes a first end portion and a second medial portion. The first end portion is arranged so that it will be exposed outside, at or inside an entrance to the recess hole when the fastener is installed on the wheel, and has a security feature that resists fastener removal using conventional tools to grip the first end portion. The second medial portion has an external key-receiving lock pattern and is arranged so that a side wall region thereof will extend within the recess hole when the fastener is installed. The lock pattern is provided on the sidewall region and will be exposed outside, at or inside the entrance to the recess hole.

Abstract: A weight screw for a golf club head having one or more weight ports is disclosed herein. A set of weight screws is also disclosed herein, the set comprising at least one low-weight screw comprising multiple materials and at least one weight screw comprising a single material.

Abstract: A thermal break fastener includes a head that has a top side and an underside. The head has diameter. A shank depends from the underside of the head and has an end that has a longitudinal bore therein, opposite the head. The shank is formed from a thermally non-transmissive material. The shank has a diameter less than the diameter of the head. A seal is positioned on the shank. A driving/boring element has a driving point and a self-counter-bore cutter spaced from the driving point. The self-counter-bore cutter has a diameter about equal to the diameter of the shank. The driving/boring element is mounted to the shank with the self-counter-bore cutter disposed at about the end of the shank opposite the head. A two-piece configuration includes a driving/boring element including a self-counter-bore cutter and a separate a sealing head with a seal positioned on the sealing head.

Abstract: A weight screw for a golf club head having one or more weight ports is disclosed herein. A set of weight screws is also disclosed herein, the set comprising at least one low-weight screw comprising multiple materials and at least one weight screw comprising a single material.

Abstract: A concrete bolt assembly comprises a bolt set and a spherical washer for the bolt set to penetrate. The bolt set includes a concrete bolt member and a spherical nut disposed on the concrete bolt member. The spherical nut has a first sphere and the spherical washer has a second sphere. With the arrangement of the first sphere and the second sphere, the concrete bolt assembly can be embedded in a building material from any inclined angle since the contact of the spherical nut and the spherical washer exerts a perpendicular force to densely tighten the concrete bolt assembly, prevent the embedded concrete bolt assembly from easily corning off or extracting front the building material after screwing, and enhance an engaging effect of the assembly.

Abstract: A screw structure for securing a first object to a second object comprises a screw member, a blocking member and a pivot member. The screw member comprises a pole. The blocking member comprises a base portion secured to the pole, and two positioning portions are located on the base portion. The pivot member comprises two latching portions, and each of the two latching portions is engaged between the screw member and each of the two positioning portions. The pivot member is capable of rotation relative to the screw member and the blocking member.

Abstract: A screw structure for securing a first object to a second object comprises a screw member, a blocking member and a pivot member. The screw member comprises a pole. The blocking member comprises a base portion secured to the pole, and two positioning portions are located on the base portion. The pivot member comprises two latching portions, and each of the two latching portions is engaged between the screw member and each of the two positioning portions. The pivot member is capable of rotation relative to the screw member and the blocking member.

Abstract: A hand throw mechanism for an in-tie switch machine having a drive element which serves to move switch points from a first end point to a second end point. The mechanism includes an elongated hand throw arm having a first coupling element that includes a first lower mating surface and a first upper mating surface. The mechanism also includes a gear set having an output shaft for moving the drive element. The gear set additionally includes a second coupling element having a second lower mating surface for engaging the first upper mating surface and a second upper mating surface for engaging the first lower mating surface to thus couple the first and second coupling elements. Rotation of the hand throw arm through an angle of approximately 180 degrees then causes rotation of the output shaft to thus move the driving element and ultimately the switch points.

Abstract: A fastener assembly includes a bolt having first and second ends and comprising a bolt head at the first end and a shank, at least a part of which is screw threaded, a nut for screw threaded engagement with the shank of the bolt, and a template alignment pin, wherein the bolt head is provided with a coupling formation for detachably coupling to a corresponding formation on the template alignment pin.

Abstract: A screw assembly includes hollow first screw and a second screw smaller than the first screw in size. A first thread is defined on an outer surface of the first screw. A receiving hole is defined in the first screw. The second screw is adapted to be received in the receiving hole to engage with the first screw.

Abstract: A threaded fastener-nut combination for attaching two work pieces together has means for preventing the intrusion of the fastener threads into the bores of each work piece, thus preventing damage to the work piece which may result from such intrusion. The stud member has a pawl member which extends radially outward to engage an aperture in the nut member, which locks the nut member to the stud member. The engagement of the nut member to the threaded portion of the stud member produces both audible and tactile feedback to indicate that the fastener is properly placed and engaged. Tactile feedback is returned through the emergence of the pawl through the aperture in the nut, and by the rotation of the entire fastener assembly upon the provision of further tightening effort. Auditory feedback is provided through a “click” or similar sound produced when the pawls engages the aperture of the nut.

Abstract: A fastener system for fixing hardened plates includes a fastener element having a frusto-conical head and a threaded shaft portion, wherein a smallest outer diameter of the frusto-conical head is adjacent the threaded shaft, and a largest outer width of the shaft is smaller than a smallest diameter of the head.

Abstract: The present invention is directed to pressure relief devices and to corresponding pressure relief assemblies that have improved vacuum resistance, improved fragmentation resistance, and/or improved burst control while maintaining low mass. The pressure relief device includes a substantially flat flange section and a domed section. The domed section may include a transitional line that defines a change in the shape of the domed section. The pressure relief device may also include a bracket for securing or aligning a domed section to a flange section. The pressure relief device may further include a stress distribution feature that is disposed transversely to a line of weakness in the domed section. The pressure relief assembly may include a fastener having a wire that is configured to break and release the pressure relief device when subject to a predetermined tensile load.

Abstract: An eyebolt assembly is provided in which a skirt member is reinforced by radially projecting diametrically extending ribs. A fixed lifting eye projects from one side of the skirt, and a mounting stud projects from the opposite side. The mounting stud is double threaded with one thread being adapted to mate with a threaded bore in the body of the eyebolt assembly, and the other thread being matched to a threaded bore in a load. The same eyebolt body can be employed with a plurality of different mounting studs, which simplifies inventorying eyebolt assemblies to meet all of the different threaded bores that may occur in different loads. Only the mounting studs need to be threaded to match the loads. The skirts are provided with striking faces so that they can be tightened and loosened by striking them with a hammer.

Abstract: A fastening element has a drilling head (21) provided at one end (16) of anchor tube (12) and having at least one inlet opening (23) that opens toward the receiving chamber (13) of the anchor tube (12), and at least one through-opening (24) that opens outwardly for passing of the hardenable mass therethrough, and a mixing element (31) for the hardenable mass and which is located in the drilling head (21) between the at least one inlet opening (23) and the at least one through-opening (24).

Abstract: The present invention relates to a device for fastening two elements to one another, comprising a rod-like member having opposite ends which are aligned on a common longitudinal axis (X-X) and a threaded portion formed in the region of a first end. A characteristic of the rod-like member is that it comprises a tapered portion formed in the external wall of the rod-like member, the tapered portion having the vertex of its taper facing towards the threaded portion and a taper angle (?), measured relative to the longitudinal axis (X-X), that is within a range variable between 2° and 6°.

Abstract: A fixed pillar with heat loss is a fixed pillar for losing heat. The fixed pillar with heat loss includes a metal body, a screw thread and a plurality of grooves. The metal body is a hollow body. The plurality of grooves is respectively set on two sides of the metal body and communicating with each other. The screw thread is set on one end of the metal body to fix a circuit or other electric devices. Air flows into one side of the metal body and then passes through the inner part of the metal body and last flow out from another side of the metal body. Accordingly, the metal body exchanges heat with the air to lose the thermal energy quickly.

Abstract: A self-drilling rock anchor includes an anchor tube (2), a drill head (6) provided at the first end (5), an outer thread (8) provided at least in a region of the second, free end (7) of the anchor tube and an adapter (11) releasably connectable with the anchor tube (2) and having an inner thread (17) for engaging the outer thread (8) of the anchor tube (2), a screw stop (14), and a quick-intervention element (15) connectable with a rotatable chuck of a drilling tool the rock anchor is driven-in with.

Abstract: A bone screw assembly comprising: a bone screw with an externally threaded shank having a head integrally formed at the proximal end and defining a cannula extending through the head and shank. An internal thread formed on the surface defining the inner cannula to receive an anchor bolt having a threaded portion, and a head defining plurality of throughgoing wire receiving holes.

Abstract: An anchor having an internally threaded first opening, a body, a first end on the body threaded to fit the first opening, a second end on the body, configured to fit an opening in the wall of the mold for extending a first length of the body into the wall, a second opening in the second end extending toward the first end, and a protrusion in the second opening configured for receiving a tool for transferring rotational force about an axis through the first end and the second end for withdrawing the body from the anchor. The protrusion is recessed the first length from the second end. An annular member extends radially from the body, one axial end of the protrusion is at the axial position of the annular member.

Abstract: An fastener for securing fixtures to buildings or other base materials. The fastener is assembled by a mechanical engagement between two pieces. The first piece includes a first and second bore. The first bore may be connected to a fixture, such as a pipe hanger, and the second bore is mechanically engaged with the second piece, which may include a self-tapping screw.

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 device is provided which enables an object such as a window protection device to be secured to a structure, where the device passes through a hole in one or more structures located between the object, and the structure to which attachment is desired. The device can be screwed, or otherwise attached, to wood structural framing which is concealed beneath veneer, such as bricks and other masonry. The other end of the device receives a tool which allows such an installation, and also the removal of the device. The other end also receives a fastener, such as a bolt, which secures the material or the track to the end of the device, the end of the device being substantially flush with the exterior veneer surface. The end of the device is flared to seal the hole in the veneer and increase the stability of the device in the hole.

Abstract: A hitch pin used for releasably connecting a load carrier frame to a receiving hitch attached to a carrying vehicle for transporting objects such as bicycles on the load carrier. The hitch pin includes a bolt having a head portion opposite a threaded section and a stem integrally formed between the head portion and the threaded section. A sleeve includes a bore, sized to receive the head and the stem of the bolt which is slidably held inside the bore of the sleeve using a transverse pin, secured inside the bore of the sleeve and passing through an elongate slot in the stem of the bolt. When the sleeve is rotated, the transverse pin transmits the rotation to the bolt providing the turning motion used during connecting of the frame to the receiving hitch. The connection may be made in two stages with hand-tightening as the first stage, followed by application of mechanical force, operating from a set screw, through the bolt to intensify the contact between the frame and the receiving hitch.

Abstract: A stake suitable for use in construction is formed from an elongate threaded metal member, typically of length between 0.45 meter and 1.8 meter, having two ends. A first end region, tapered to a sharp point over typically 3 centimeters, is suitable to be plunged into earth. A middle region has threads that are both deeply cut, typically at a ratio of root diameter to outside diameter less than 0.80, and steeply inclined, typically at least 1 in 20. A second end region has a feature in the shape of a regular prism suitable to be engaged by a torquing tool for rotation of the entire stake. The second end region feature may be a prism of regular cross section, normally a hexagonal prism, of a diameter everywhere less than the minor diameter of the middle region's threads.