Abstract: The present application provides external bone fixation systems. The systems include one or more pairs of bone fixation platforms in the form of rings or partial rings. The platforms may be coupled to corresponding bone segments. The pair of platforms are configured to accept a plurality of struts extending therebetween. The struts are configured to attach to the platforms via joints that provide three degrees of rotation. The struts are also configured such that their longitudinal length extending between the joints/platforms can be incrementally adjusted while attached to the platforms. The struts are further configured such that their total range of length adjustment can be increased by coupling at least one add-on component to the struts in situ. The lengths of each of the plurality of struts may be adjusted to arrange the platforms, and thereby the bone segment coupled thereto, in particular relative positions and orientations.

Abstract: A threaded fastener composed of separate upper and lower portions with a small axial freedom of movement relative to one another. After being threaded into a blind hole together, the portions are moved relative to one another and locked in place, creating a distribution of stresses which resists backing-out of the fastener without the various drawbacks which limit prior art solutions to this and similar threaded fastener applications.

Abstract: A fistula treatment system comprises a guide such as a guide coil 1101 which is adapted to extend partially around a tissue tract and an implant element 1102. The implant element 1102 is activated to draw tissue surrounding the tract inwardly.

Abstract: A bracket for hanging an item on a wall is disclosed. The bracket has one or more bracket apertures which are used to mount the bracket to the hanging item. The hanging item could be an item like a picture or a shelf. The bracket has a mounting aperture which is used to mount the hanging item on a nail or a screw. Adjacent to the mounting aperture is a pinhole having a set screw. To use the bracket the user unthreads the set screw from the pinhole opening. The user places the hanging item in its desired location on the wall and pushes the item against the wall so that the set screw marks a spot on the wall where the user should place a nail or a screw for hanging the item.

Abstract: The present application provides external bone fixation systems. The systems include one or more pairs of bone fixation platforms in the form of rings or partial rings. The platforms may be coupled to corresponding bone segments. The pair of platforms are configured to accept a plurality of struts extending therebetween. The struts are configured to attach to the platforms via joints that provide three degrees of rotation. The struts are also configured such that their longitudinal length extending between the joints/platforms can be incrementally adjusted while attached to the platforms. The struts are further configured such that their total range of length adjustment can be increased by coupling at least one add-on component to the struts in situ. The lengths of each of the plurality of struts may be adjusted to arrange the platforms, and thereby the bone segment coupled thereto, in particular relative positions and orientations.

Abstract: A connection arrangement for fixing a lid to a filter housing and to a filter element, by which an insertion opening in the filter housing can be closed, includes a holding element on the filter element and a locking element on the lid. The holding element can be fixed by a contact surface for contacting the locking element in a recess of the filter housing. The holding element has a latching geometry with which it can be latched in the recess of the filter housing. The locking element is a shaft with a bolt rod and a handle part. The shaft is guided through the lid such that the lid and the filter element in the latching position can, by the bolt rod and a contact surface formed as a ramp on the holding element, which engage with one another by turning the locking element, be spanned against each other.

Abstract: A bolted joint providing a “zero-clearance” fit formed from a bolt including a shoulder that works during installation to cold form a deformable sleeve. The bolted joint joins a bolt receiving member to a clamped component. One or more bolted joints may be used and as the bolts are installed, shoulders on each of the bolts dilate deformable sleeves until the outer diameters of the sleeves contact internal walls of through holes in the clamped component. Each of the deformable sleeves includes at least one groove or flute on its interior surface that results in: reduced radial load on internal walls of the clamped component and the bolt receiving members, and less friction between the sleeve and both the clamped component and a counter bore disposed within the bolt receiving member, thereby allowing for smaller percentage of the bolt's tensile strength capability required to deform the sleeve.

Abstract: Apparatus and methods are provided for the approximation of two bones, the apparatus including a first anchor that is rotationally driven into a first bone by a second bone anchor, which receives driving torque from a driver tool. After the first anchor is secured in the first bone, the second anchor is disengaged from the first anchor but remains connected to the first anchor by a flexible link of a designed length. The second bone anchor is secured in the second bone and has provisions to be lengthened or shortened to adjust the overall length of the implant, thereby adjusting the approximation between the two bones.

Abstract: Various embodiments include an apparatus for servicing a turbomachine, along with a related servicing method. In some cases, the apparatus includes: a system for servicing a turbomachine casing having adjacent segments joined with a set of threaded fasteners, the system including: a threaded fastener tensioning device sized to fit over ends of a threaded fastener in the set of threaded fasteners, the threaded fastener tensioning device including: a retention component for retaining a first end of the threaded fastener; and a tensioner for tensioning or de-tensioning a second end of the threaded fastener; and a mounting system coupled with the threaded fastener tensioning device, the mounting system for retaining the threaded fastener tensioning device proximate the adjacent segments of the turbomachine casing.

Abstract: A screw includes a head part, a threaded part and a flexible connector between the head part and the threaded part for transmitting a torsional force between the head part and the threaded part, and to allow two bending movements between the head part and the threaded part in opposite directions in the longitudinal axis of the screw. The head part and the threaded part in each case have a longitudinal axis, which can be arranged offset in parallel to one another. The screw has an ?-modulus of between 20,000 and 100,000 N/mm2 against a rotation in the case of an arrangement of the head part and the threaded part on a longitudinal axis.

Abstract: An assembly for an aircraft engine mounting comprising an articulation axis supported by two plain bearings and a blocking device blocking the translation of the articulation axis in a direction which comprises a blocking screw that is screwed, in operation, into a first, tapped internal portion of a tubular extension secured to one of the two plain bearings, a first blocking system comprising an internal elastic stop ring housed in a groove formed in the tubular extension, and a second blocking system comprising a blocking screw which passes through first orifices passing through the second section of the blocking screw and second orifices passing through the tubular extension.

Abstract: A facet joint compression system includes a rigid post having a longitudinal axis. A rigid arm has a sleeve, a cantilever coupled to the sleeve, and a plate coupled to the cantilever. The sleeve is fitted over the post. A retainer is coupled to the post for applying an axial force to the sleeve wherein the axial force is parallel to the longitudinal axis of the post and is transferred to the plate by the cantilever.

Abstract: A multi-function hitch accessory retaining device and method which includes an assembly comprising a housing, receiver engagement pin, biasing mechanism, fastener, and coupling pin that is inserted into an accessory shank and configured to easily engage and disengage a conventional hitch receiver as well as a method of firmly securing the shank within the hitch receiver tube.

Abstract: An elastically averaged alignment system includes a threaded alignment member, a first component comprising a first inner wall defining a first alignment aperture, and a second component comprising a second inner wall defining a second alignment aperture. The first and second alignment apertures are configured to receive the threaded alignment member to couple the first component and the second component. The threaded alignment member is an elastically deformable material such that when the threaded alignment member is interferingly inserted into the first and second alignment apertures, the threaded alignment member elastically deforms to an elastically averaged final configuration to facilitate coupling and aligning the first component and the second component in a desired orientation.

Abstract: A bone fixation device comprises an elongated body. The elongated body includes a first end portion with a coil and an opposite second end portion with an elongated tail. The second end portion also includes an attachment portion configured for engagement with a fastener.

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: An eyebolt includes a ring, a pad, and a bolt. The ring has a base member and a ring member connected to a top of the base member. The base member has a first bore, and the pad has a second bore. The pad is received in the first bore of the base member. A thickness of at least a portion of the pad is greater than a depth of the first bore. The bolt has a head and a rod connected to a bottom of the head. A diameter of the head is greater than that of the rod. The rod passes through the first bore and the second bore. Therefore, the eyebolt connects to an object with a threaded hole, and the ring is free to rotate relative to the pad and the bolt.

Abstract: A wall anchoring system is provided. The wall anchoring system includes a metal anchor and a shoulder socket screw. Using the wall anchoring system of the present invention, a wall mounted item may be securely mounted to a drywall. The shoulder socket screw may run through a bore hole of the wall mounted item, and the shoulder socket screw may be screwed into the metal anchor. The metal anchor may be driven into the wall, thereby securing the wall mounted item to the wall.

Abstract: A screw comprising a drive part, a threaded part, and a retaining ring is disclosed herein. Each of the drive part and the threaded part comprises a plurality of interface surfaces that transmit torque from the drive part to the threaded part and prevent the parts from disengaging from one another during use. Each plurality of interface surfaces forms one or more geometric shapes that create additional friction between the drive and threaded parts, and may further include mating pins and holes to prevent the parts from detaching from one another. The retaining ring, which removably connects the screw to a wrench during assembly of the screw with a receptacle, is disposed within a cavity formed when the drive part is assembled with the threaded part.

Abstract: The invention could be a repair system and method for re-securing doors to their respective door frames when a screw fastener that originally used to secure the door to the respective door frame no longer engages and secures to the screw fastener's original screw hole in the door or frame, comprising a fastener anchor comprising a double open-ended hollow cylinder having a threaded exterior side and a hollow interior, the hollow interior forming a threaded lengthwise center channel that is continuously connected to the two open ends, one open end being tapered while the remaining other open end being shaped to receive a portion of a rotating instrument; a securing fastener having a threaded portion that can removably engage the threaded lengthwise center channel; wherein the threaded exterior side is capable of engaging and securing to the respective screw hole after the screw hole has been enlarged.

Abstract: Anchor assemblies useful for connecting structures to each other are described. An anchor assembly includes a head member and an anchor. In the fully assembled anchor assembly, the anchor is partially disposed within the head member. During assembly, the proximal end of the anchor can be inserted into an opening defined by a distal end of the head member. A retaining member maintains a portion of the anchor within a portion of the head member after assembly. In an embodiment, a compression member enables movement of the retaining member within the head member to allow insertion of a portion of the anchor and subsequent maintenance of the portion of the anchor within a portion of the head member.

Abstract: The invention relates to a fastening arrangement for fastening a component B to a component A with automatic compensation of tolerances with a spacing (S) between the component B and the component A, which comprises the following features: a.) a receiving element (10) and an adjusting element (20, 30) which can be screwed to the receiving element (10) via a first thread pair (12, 32) having a first pitch direction, while b.) a fastening screw (40) can be inserted through an opening in the receiving element (10) and adjusting element (20, 30) which screw can be screwed into the receiving element (10) via a second thread pair (42, 52) having a second pitch direction opposite to the first and can be connected to the adjusting element (20, 30) by a releasable drag connection (24) in order to co-rotate the adjusting element (20, 30) during the rotation of the fastening screw (40) and thereby move it into contact with the component B, and wherein c.

Abstract: In certain embodiments, a mounting apparatus includes one or more standoffs adapted to maintain two panels at a spaced apart distance from one another. The standoff includes a first end having a first threaded fastening member and a second end having a cavity in which a torque restraining member is disposed. The torque restraining member is coupled to a second threaded fastening member. The relative sizes of the torque restraining member and the cavity allow movement of the torque restraining member within the cavity.

Abstract: A variety of fasteners and guide assembly devices are disclosed. The fasteners in various forms include a guide member that protrudes from the fastener to facilitate guiding of the fastener into a hole, passage, opening, etc. or corresponding fastener component such as a nut. The guide member may be substantially rigid or substantially flexible. The guide member may be permanently or temporarily attached to the fastener.

Abstract: Gas turbine engine systems and related methods involving thermally isolated retention are provided. In this regard, a representative method for attaching a gas turbine engine component includes using a fastener, varying in diameter along a length thereof, to prevent a portion of a component from being crimped between surfaces to which the component is attached such that the component moves relative to the surfaces responsive to thermal cycling of a gas turbine engine of which the surfaces and the component are constituent parts.

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 threaded fastener includes a shank having a first, threaded portion and a hardened thread portion. The shank includes a thread extending outwardly from a shank body over a first length of the shank. A second portion of the shank includes a groove positioned coincident with the thread and including a turn ratio equal to a turn ratio of the thread. The shank comprises corrosive resistant stainless steel. A coil of hardened steel engages the groove to fill the groove along the second portion.

Abstract: An unconventional bolt includes a main body having two heads, and two threaded rods respectively formed at the external surface of each head coaxially with the main body, wherein the cross section of each head has a noncircular shape, and the axial projection of the cross section of the middle of the main body is located in the noncircular axial projection of each head of the main body. The unconventional bolt has a simple structure and a convenient assembly, and can improve the strength and rigidity of the nested profiled components after the connection; and the fastening device using the unconventional bolt can not only support the component but also reinforce it, thus effectively preventing the nested profiled components from transforming.

Abstract: A screw with a stress sensing device is disclosed. The screw includes a main body, a coaxial member and a stress sensing member. The main body has a hollow threaded hole along its axle center, and the coaxial member is applied to be screw into the threaded hole. The coaxial member includes an elongated body and two threaded parts disposed on both ends of the elongated body. The two threaded parts are applied to engage with and screwed in the threaded hole, and thus the stress applied on the main body can also be applied on the elongated body. One of the two threaded parts has a groove. The stress sensing member is arranged on the elongated body, and the signal sensed by the stress sensing member can be obtained via a wire passing through the groove.

Abstract: A screw comprising a drive part, a threaded part, and a retaining ring is disclosed herein. Each of the drive part and the threaded part comprises a plurality of interface surfaces that transmit torque from the drive part to the threaded part and prevent the parts from disengaging from one another during use. Each plurality of interface surfaces forms one or more geometric shapes that create additional friction between the drive and threaded parts, and may further include mating pins and holes to prevent the parts from detaching from one another. The retaining ring, which removably connects the screw to a wrench during assembly of the screw with a receptacle, is disposed within a cavity formed when the drive part is assembled with the threaded part.

Abstract: A system for assembling an end cover of a combustor includes a connector and structure for engaging the connector to an insert positioned at least partially inside the end cover. The system also includes structure for moving the connector axially with respect to the end cover. A method for assembling an end cover of a combustor includes inserting a connector through at least a portion of the end cover and an insert positioned at least partially inside the end cover. The method further includes engaging the connector with the insert and moving the connector axially with respect to the end cover to compress the insert against the end cover.

Abstract: The invention relates to a screw which can be screwed into a component and which will resist further screwing into an internal thread within said component once a maximum torque has been reached. For this purpose, a screw body having an external thread is combined with a screw drive element which projects into a bore within said screw body and, within said bore, is connected to the screw body via static friction. At least part of this combination is made of a plastic material, with the static friction having the effect of a slipping clutch when a maximum torque acts on the screw drive element. The screw drive element is connected to the screw body via a ratchet in such a way that when the screw body is unscrewed from the internal thread within said component, turning said screw drive element will cause the ratchet to engage, thereby entraining the screw body.

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: A security screw formed by a cylinder part divided in two parts in the threaded area with a division line in a partial way of the axial axle or very close to it. In one of these parts a cylinder area has been removed, coaxial (max. eccentricity: 1% of the radius of the thread), with the result that both parts can be moved between themselves, with the thread lined up or not lined up depending on the function of the angle position. Depending on the removed area position, the nut can be threaded or unscrewed. In addition, the nut can be unblocked by immobilizing these parts in the corresponding angle position according to the lining up of the threads.

Abstract: A fastener including a bolt and a grommet assembly attached to the bolt for fastening to a work piece. The grommet assembly includes an upper grommet, a lower grommet attached to the upper grommet, a retainer ring, and a housing that houses the retainer ring within the lower grommet. The upper grommet is inserted into a hole at one side of the work piece and the lower grommet is attached to the upper grommet through the hole at an opposite side of the work piece. The retainer ring is inserted into the lower grommet and encapsulated by the housing. The bolt is inserted into the grommet assembly, and the retainer ring engages the bolt such that a plurality of pressure pads extending from a plurality of corresponding spring beam elements of the retainer ring reside in an annular groove of the bolt. The grommet assembly captivates the bolt onto the work piece, while providing a positive hold out of the bolt.

Abstract: The invention relates to a connecting flange for an electric terminal, comprising a housing and a duct provided thereon for receiving a screw, wherein the duct has a duct wall made of an elastic material, on which a safety device is configured such that the screw can be captively received by the duct when not screwed in. A free cross-section of the safety device and the largest cross-section of the screw have different shapes, wherein the length of an interior circumference of the safety device is adapted to the length of the exterior circumference of the screw.

Abstract: A vibration resistant fastening system including a high fatigue strength bolt made from a first material and a nut made from a second material that is softer than the first material of the bolt. The bolt includes bolt threads and the nut includes pre-tapped nut threads that match with the bolt threads. The fastening system utilizes a combination of unique geometry of the nut and bolt threads and a hardness differential between the nut and bolt to provide vibration resistance. When tightened, crests of the bolt threads embed into the soft bearing flanks of the nut threads. Simultaneously with the bolt crest embedment, the softer nut thread crests flow radially inward into the root radius of the bolt threads. This complete contact between the nut and the bolt restricts the nut from moving in a transverse direction relative to a longitudinal axis of the bolt.

Abstract: The present disclosure relates to an anchor assembly. The anchor assembly includes an anchor defining a cavity and an opening to the cavity and an insertion member including a body having a proximal end portion and a flat distal end portion, and a head coupled to the proximal end portion of the body. The insertion member is configured for arrangement within the anchor cavity. A method of tissue repair and other anchor assemblies are also disclosed.

Abstract: The invention relates to a screw having a screw head, a screw end which lies opposite the screw head, and an external screw threading for the purpose of screwing the screw into a material, wherein the screw has at least two parts which are connected to each other via a detachable connection, wherein the screw head is arranged on another part than the external screw threading and the screw end, as well as a tool for the complete removal of such a screw.

Abstract: An exemplary locking assembly includes a locking member and a sleeve. The locking member includes a locking portion, a neck portion, and a head portion. One end of the neck portion is connected to the head portion, and another end of the neck portion is connected to the locking portion. An outer diameter of the locking portion is larger than that of the neck portion. An outer diameter of the locking portion is larger than that of the neck portion. The sleeve defines a through hole therein for holding and guiding the locking member. The through hole includes a first part. The sleeve further includes a restricting portion extending out from an inner surface of the through hole adjoining the first part of the through hole. After locking portion of the locking member passes through the restricting portion of the sleeve, the restricting portion blocks the locking portion from sliding out of the sleeve.

Abstract: Chattering suppression apparatus (10) comprises multiple bolt members (24a through 24d) for mounting boring bar (20) in the spindle (18). Inside the main body configuring bolt members (24a through 24d), a damper chamber (34) is formed and, inside the damper chamber (34), a friction damper section (36) that suppresses the vibration energy that can cause chatters during machining operation of workpiece W, through sliding friction, is housed in the movable state.

Abstract: A screw anchor for fastening add-on parts in concrete or brickwork comprising a shaft (10), which encompasses a thread, is characterized in that the external thread is embodied at a spiral (15), which is embodied separately from the shaft (10) and in that the spiral is connected to the outer periphery of the shaft in a positive manner.

Abstract: A self-contained tool bolt has a head section comprising a top member and a handle section which is expandable from a stored position to a laterally outward, cantilevered position relative to the top member, to provide enhanced tightening and loosening capability of the tool bolt. The tool bolt also comprises a rigid shaft extending from the top member and a bolt section, with external threads, slideably mounted and moveable along the shaft. When the bolt section is at its lowest point on the shaft, the handle section is elevated to provide clearance from obstructions during tightening and loosening of the tool bolt.

Abstract: Repeated inserting, tightening, loosening, and removing of external threads to internal threads can increase the likelihood of cross threading and thread damage. A spring loaded gear bolt assembly, which promotes alignment of mating threads before applying torque, is described. A spring is disposed on the back end of a bolt shaft to promote alignment of lead mating threads before twisting to engage external to internal threads. A gear chain translates a single hand rotation to thread two bolts into respective affixed internal threaded holes, simultaneously. A spring loaded gear bolt assembly and method described herein promote increased thread life and ease of use ease for test plate securing. Efficient single handed manipulation of multiple bolts simultaneously can be achieved using a test plate assembly, which included spring loaded gear bolt assemblies, as described herein. Applications of a spring loaded gear bolt include infrared adapter test plate assemblies.

Abstract: To obtain a mounting structure capable of being applied to mount an object to be mounted by absorbing a central position variation between a pin and a female mounting member in more directions. A cap pin 26 is formed with a long hole shaped male side fitting portion 36 so as to rotate in an arrow R1 direction with respect to a pin 28 and to relatively move slide in a sliding axis X2 direction. Even if a pin axis X1 of the pin 28 and a central axis X4 of a clip 24 are deviated, the cap pin 26 is rotated and slid; and accordingly, the pin 28 may be inserted and fitted to the male side insertion portion 36.

Abstract: A rapid-engaging, positive locking machine screw mechanism comprises a screw having a head and a body wherein the body includes male threads formed thereon wherein the threaded body has at least one longitudinal segment devoid of threads. A work piece defines a hole having female threads formed therein for receiving the screw and further defines in a portion of the hole, at least one longitudinally extending segment devoid of female threads. The longitudinal screw segment devoid of male threads and the longitudinal hole segment devoid of female threads are arranged such that the screw body is longitudinally received in the hole without engagement of the male screw threads with the female work piece threads. The rapid-engaging, positive locking thread configuration can be applied to a variety of mechanical interfaces. Additionally, thread locking configurations, such as a boos-depression interface, a notch and ridge, etc. can be incorporated to secure the male and female threads.

Abstract: A conductive sleeved fastener assembly includes an electrically-conductive fastener having a fastener head and a fastener shank extending from the fastener head and an electrically-conductive fastener sleeve receiving the fastener shank of the fastener and a fastener sleeve flange provided on the fastener sleeve and disposed in direct contact with the fastener head of the fastener. A method of preparing a conductive sleeved fastener for use is also disclosed.

Abstract: A fastening assembly includes a connecting member, a mounting member mounted to the connecting member, and a sliding member. The mounting member includes a first fixing portion. The sliding member is slidably received in the mounting member and the connecting member. The sliding member includes a first end exposed out of the first fixing portion, and a second end slidably received in the connecting member. The second end of the sliding member is operable to be extended out of or substantially coplanar with an end of the connecting member. The fastening assembly can be utilized to mount a heat sink to a board.

Abstract: A threaded fastener includes an outer body defining an axis and an inner body at least partially positioned within the outer body. The inner body is movable along the axis relative to the outer body. A plurality of threaded segments is coupled to the outer body and radially supported by the inner body. The plurality of threaded segments defines a nominal diameter. At least one biasing member biases the plurality of threaded segments inward toward the axis. The plurality of threaded segments is movable inward toward the axis by the at least one biasing member when the inner body is moved axially from a first position to a second position so that the plurality of threaded segments define a reduced diameter that is smaller than the nominal diameter.

Abstract: The invention relates to a device for connecting two electrical conductors (4, 5), comprising a metallic clamp (1) that is designed as a pipe section and that comprises in the wall thereof at least two through holes provided with a thread for receiving clamping screws (2) provided with an external thread. In the pipe section of the clamp (1), at least one central through hole provided with a thread is furnished between the two through holes in order to receive a fixing screw (3) provided with an external thread, wherein the fixing screw has a tapered, approximately wedge-shaped tip (11), which, in the assembled position, lies rigidly against the end faces of the two conductors (4, 5) inserted into the pipe section. The tip (11) provided with an external thread is screwed into a hole (10) of the fixing screw (3) provided with an internal thread, and the external thread of the tip (1) runs opposite to the external thread of the fixing screw (3).