Abstract: A screwing device includes a screw shaft and a knob. The screw shaft is provided with a screw center axis as the center thereof. The knob includes a knob body having the screw shaft projecting therefrom and an operating hole provided on the knob body about a hole center axis as the center thereof, the hole center axis extending in a direction orthogonal to the screw center axis. The operation hole is arranged at a position deviated from the screw center axis so that the hole center axis does not intersect the screw center axis.

Abstract: A bolted joint for connecting a cover of an opening in a primary structure of a lifting surface of an aircraft to the primary structure. The bolted joint includes two first bolted joints on either side of a symmetry axis of the cover arranged without any lateral clearance, two second bolted joints on either side of the symmetry axis on the side of the cover opposite to that of the two first bolted joints, arranged without any lateral clearance in the holes of the primary structure and with a linear lateral clearance in the holes of the cover; a plurality of third bolted joints along the border of the cover arranged without any lateral clearance in the holes of the primary structure and with a radial clearance in the holes of the cover.

Abstract: Improved connection systems for pinned connections are disclosed. Although the connection systems may be utilized in dragline excavating systems, the connection systems may also be utilized for pinned connections in a variety of other types of mining, dredging, forestry, and construction equipment. An insert utilized in the connections systems has a frustroconical shape that joins with an aperture in an element being joined by the connection system.

Abstract: A low profile standoff with tool stop is disclosed for attaching surfaces in fixed proximity to each other. The low profile standoff with tool stop includes a main body having a threaded bore, a threaded stem for threading a nut, and an intermediate section of narrower cross section than the main body that admits a portion of the threaded bore. The intermediate section extends within the thickness of the mounting surface while the main body stays on one side and the threaded stem extends wholly through to the opposite side of the surface. Some embodiments further comprise a tool stop on the exterior of the main body. Other embodiments dispense with the threaded stem. The low profile standoff with tool stop is particularly useful for overcoming the strength disadvantages of reduced height standoffs known in the art, and of minimizing tool head damage to the mounting surface.

Abstract: A bolt (10) includes a flange (14) that bulges radially out near a head (12) at one axial end. The flange (14) contacts a second connector (60) at a proper connection to prevent further tightening. A stepped recess (16) is located between the head (12) and a screw portion (13), and is recessed sufficiently to fracture when an excessive tightening torque is applied. A retaining groove (18) is located between the stepped recess (16) and the screw portion (13) and is recessed radially inwardly and receives a retaining ring (80) for preventing detachment of the bolt (10) from a first connector (40) by contacting the first connector (40) before connection. Seal grooves (15) are located between the stepped recess (16) and the flange (14) for receiving seals (30) to be held in close contact with the first connector (40) in a liquid-tight manner at the time of proper connection.

Abstract: The invention relates to a screw having a screw head (2), a screw shank (1) and a corrugated conical flange (4) which decreases in thickness toward the outside, which flange (4) will abut on a component part as the screw is being screwed into the latter. The two lateral surfaces (5, 6) of the flange (4) from the screw shank (1) to the outer edge (7) of the flange taper continuously toward the outside with the thickness of the flange (4) decreasing at the same time, with its corrugation (8) extending substantially over the entire radial width of the flange (4).

Abstract: By changing the timing of applying a heat treatment, a high-strength aluminum based alloy-made fastening part having an unprecedented tensile strength or other strength property and a method for manufacturing of the same are provided. The method is characterized in that an aluminum based alloy-made material is subjected to a solution treatment and is then age-hardened; work hardening is further applied to a shaft portion by drawing thereof in a heading process; and the shaft portion is thereafter subjected to a process of rolling male threads.

Abstract: A connecting rod bolt is provided for use with a connecting rod assembly. The connecting rod bolt may have a body portion having a first end, a threaded second end opposite the first end, and an outer surface extending in a length direction from the first end to the second end. The connecting rod bolt may further have a plurality of locating features having a radius aligned with the outer surface and a plurality of clearance features disposed on the outer surface between adjacent locating features, wherein a distance from a center of the body portion to an outer surface of each clearance feature is less than the radius of the plurality of locating features. The connecting rod bolt may also have a head portion connected to the first end of the body portion.

Abstract: A process for manufacturing products made of composite materials is disclosed which includes the steps: screwing at least one insert provided with a threaded hole on the outer thread of at least one pin partially inserted in a removable manner in a mould; arranging on the mould one or more fiber layers provided with at least one opening in which the insert is arranged; curing resin with the layers arranged on the mould, so as to obtain a product made of a composite material which incorporates the insert and the layers; rotating the pin in the insert for removing it from the mould. The present invention also relates to a mould, devices and a kit which can be employed for carrying out the process, as well as to products manufactured with this process and/or these means.

Abstract: A screwing structure for a casing according to the present invention includes: a first casing; a second casing; and a screw for integrating the first casing and the second casing with each other; wherein the first casing includes a boss having a first screw hole, into which the screw is screwed, and a fitting piece projecting from the peripheral edge of the boss, and wherein the second casing includes a second screw hole formed therethrough at a position opposite to the first screw hole, the screw being screwed through the second screw hole, and a fitting receiver in abutment against the fitting piece in a tightly turning direction of the screw.

Abstract: A linear object is composed of a magnesium alloy including, in percent by mass, 0.1% to 6% of Zn, 0.4% to 4% of Ca, and the balance being Mg and incidental impurities, in which, when a creep test is performed on the linear object under conditions of a temperature of 150° C., a stress of 75 MPa, and a holding time of 100 hours, the linear object has a creep strain of 1.0% or less. Zn and Ca interact with each other to improve heat resistance, and thus it is possible to obtain the linear object having an excellent creep property. By incorporating Zn and Ca, in amounts in specific ranges, into the magnesium alloy, it is also possible to obtain the linear object having excellent plastic workability.

Abstract: This invention solves some critical issues of contamination and waste of paper taken from a roll of paper towels for cleaning. Two hands are required to remove a sheet, one to restrain the roll and the other to pull the sheet away The hand restraining the roll will leave contamination, exposing others to bacteria. Users will consume more paper than is required to get a clean sheet. This invention solves the problem using a self adjusting vertical clamp bar to restrain the roll, that is held on a vertical post, and horizontal base, eliminating the need to use a second contaminated hand. The clamp bar will self adjust to roll size as sheets are removed.

Abstract: A screw (2) has a head (5) including an underhead bearing surface (12). Lubricant pockets (13) are arranged at least in a part of the underhead bearing surface (12). The lubricant pockets (13) serve to contain lubricant and to release the lubricant when tightening a screw joint (1) to prevent galling effects during multiple tightening processes.

Abstract: A device for fastening equipment parts such as photovoltaic panels on a sandwich or single-shell building envelope using a plurality of fastening elements (20, 20?) in the form of bolts, which can be supported at least by a connection part (30, 30?) and on a load-bearing part (12) of the building or the building envelope. If an outer shell (14) is present, the fastening elements (20, 20?) can be guided through the outer shell (14) and supported on the load-bearing part (12) and/or the outer shell (14). Each fastening element (20, 20?) can be positively engaged with the connection part (30, 30?) and/or, if present, with the outer shell (14) so as in each case to support the connection part (30, 30?) on the load-bearing part (12) and, if present, on the outer shell (14).

Abstract: A high strength screw (2), especially an ultra high strength screw (2) having a tensile strength Rm of at least 1400 N/mm2, having a bainite structure has a yield ratio of at least 0.95. The screw (2) belongs to the new strength classes 14.10, 15.10, 16.10 or 17.10. The high yield ratio is realized by heat treatment of the screw (2).

Abstract: A system and method for installing a fastener rod is provided. In one embodiment a fastener rod starter apparatus is provided and may include a first end for engaging a fastener rod, a second end for insertion into an insertion hole, and an elongated body of closed cell foam having sufficiently low density and high compressibility to displace fluid in the insertion hole and be compressed to allow installation of the fastener rod into the insertion hole. A method for installing a fastener rod may include lubricating an insertion hole with a fluid and inserting a starter element into the insertion hole. The starter element may have sufficiently low density and high compressibility to displace the fluid in the insertion hole and be compressed by the fastener rod inserted into the insertion hole.

Abstract: The production method according to the invention for creating a thread in an elongated semi-finished product comprises the following steps: shaping, especially lengthwise rolling, of at least two lengthwise grooves into a blank and lengthwise rolling of a thread into the areas circumferentially delimited by the grooves. The distance from the beds of the grooves to the axis of the blank is smaller than the distance from the root of the thread to the axis.

Abstract: Adjustable hinge for pivotably connecting two elements, said hinge comprising at least one adjustment element, which is formed as an eccentric component and is used to provide the possibility for lateral displacement of the elements against one another perpendicular to the longitudinal direction of the hinge, and an adjustment element, which is used to provide the possibility for lateral displacement of the elements against one another in the longitudinal direction of the hinge and is optionally provided with a locking mechanism. The adjustment elements and optionally the locking mechanism are provided with an adjustment crown. A component of the hinge arranged in the longitudinal direction of the hinge is connectable to one of the two elements via a curved flange. Adjustment crown for an adjustment element of a hinge.

Abstract: A copper-based alloy which contains 7.8 to 8.8 mass % of Al, 7.2 to 14.3 mass % of Mn and a remainder made up by Cu and unavoidable impurities, has a largest crystal grain diameter of more than 8 mm, has good shape memory properties, and enables the production of a structural material having a cross-section size suitable for use as a structure body or the like; and a structural material comprising the copper-based alloy. The copper-based alloy may additionally contain at least one element selected from the group consisting of Ni, Co, Fe, Ti, V, Cr, Si, Ge, Nb, Mo, W, Sn, Bi, Sb, Mg, P, Be, Zr, Zn, B, C, S, Ag and a misch metal in the total amount of 0.001 to 5 mass %.

Abstract: A die for roll forming threads on a cylindrical blank includes a planar die body having a longitudinally elongate working face of sufficient length for the blank to make multiple revolutions across the face. A plurality of thread forming elements on the face. The thread forming elements are spaced apart longitudinally of the die working face an ever increasing distance, based on the actual rolling diameter of the blank with the spacing between the thread forming elements at the start end equal to the diameter of the blank and the spacing between the thread forming elements at the finish end equal to eighty-five percent of the final diameter of the thread formed on the blank. The thread forming elements on the working face of the die are equally spaced apart in a direction perpendicular to the longitudinal extent of the working face.

Abstract: A press-fit component is proposed, which can be both press-fitted into an existing hole in a sheet metal component and also punched into sheet metal where there is no hole. The press-fit component exhibits a head with a bearing surface and a shaft which emanates from the bearing surface. The shaft has a trilobular cross-section and may be provided with knurling over at least part of its length. The shaft may be provided with a threaded through-hole. As a result of the trilobular form, the shaft and with it the press-fit element is secured against turning, without deformation of the sheet metal from a plane taking place during press-fitting.

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 cap and a pole extending from the cap. The blocking member is captive on the pole and defines a latching groove. The pivot member comprises a latching portion elastically engaged in the latching groove and located beneath the cap. The pivot member can be raised up and lowered down, and twisted to activate the screw function.

Abstract: A rolling die for forming a screw thread on a screw blank is disclosed. The rolling die has a plurality of grooves, where the grooves each have two flanks as seen in cross-section. At least a portion of each of the grooves has a forming area in which the size of a profile angle enclosed by the flanks decreases continuously along the grooves.

Abstract: A metal member defining a hole in which the hole is reinforced by forming a flange and turning the flange back upon itself so that the rolled outer surface of the flange defines the perimeter of the hole. The sheared edge is spaced from the perimeter of the hole. The shaft of the fastener inserted in the hole contacts a non-sheared surface. A reinforcement ring may be assembled around the flange.

Abstract: The invention relates to a device that provides enhanced mechanical stabilization, as well as methods for its use. In various embodiments, the device is configured in a manner similar to a conventional screw, but with mechanical elements that afford greater fixation and stability and that lessen the likelihood that the device loosens after insertion into a substrate and/or falls out of the substrate entirely or releases its interaction with the substrate. Moreover, the device may have better pullout strength as compared with conventional screws and screw-type devices used in a range of applications.

Abstract: A sensor for detecting surface cracks in a component or structure. A preferred embodiment of the device comprises a flat body portion with a central hole through which a main structural bolt passes. The body portion has a throughway providing fluid communication between an exterior port and a substantially hermetically-sealed area on the structural surface being monitored. A crack which develops in the monitored area surrounding the bolt hole will cause venting of the hermetically-sealed area, in turn causing a change in fluid pressure that can be detected and/or measured to warn of the presence of the crack.

Abstract: A method and system to stabilize an appliance against sudden or continuous movement embodiments including one or more straps coupled to an appliance of interest and a target mounting surface. At least one spacer is located between the appliance and mounting surface. In one embodiment a plurality of straps with grommets located at the relative terminus of one end is affixed by a fastener passing through the grommet to a target mounting surface, and at least one spacer is affixed preferably to a wall stud within the target wall. A second strap end is affixed to a target appliance and tightened to provide snug contact between the appliance and wall.

Abstract: Disclosed herein is a connection means 58 made from metal, and in particular Al, Mg, Cu or Ti, or an alloy comprising one or more thereof. The connection means 58 is made from a compound material of said metal reinforced by nanoparticles, in particular CNT, wherein the reinforced metal has a microstructure comprising metal crystallites at least partly separated by said nanoparticles.

Abstract: An adjustment bolt for adjusting the camber angle in a vehicle. The adjustment bolt includes a head, a neck, a lobe, and a threaded portion. The head is configured to provide a gripping surface for a tightening tool (e.g., pliers, wrench). The neck extends eccentrically from the bottom surface of the head and the neck has a first diameter and a first centerline. The lobe extends eccentrically outward from a bottom surface of the neck and the lobe has a second diameter and a second centerline. The threaded portion extends eccentrically outward from a bottom surface of the lobe and has a third centerline. The first centerline, the second centerline, and the third centerline are different from one another. Additionally, the lobe diameter is substantially the same as an aperture diameter for an adjustment aperture in a knuckle operably connected to the vehicle.

Abstract: A pin joint assembly is disclosed that includes a pin, a collar configured to engage the pin, and a plate defining holes through which the plate may be fastened to the collar and to a frame of a machine on which the assembly is mounted.

Abstract: A bolt (35) comprising a threaded shaft (36), and a heating element (37) for heating the shaft (36) is disclosed along with a method for securing a first part and a second part of a pipeline system together with the bolt (35). The method includes the steps of: heating the bolt (35) by heating the heating element (37); and securing the heated bolt to the first part and the second part of the pipeline system.

Abstract: A casing includes a metallic sheet and a screw. The metallic sheet is formed with an extruded tapped hole surrounded by an arcuate portion in the metallic sheet and a sleeve integrally with and depending from the arcuate portion. The sleeve has internal threads. On the other hand, the screw is configured to seal the extruded tapped hole of the metallic sheet. The screw has a threaded section configured to be mated with the internal threads of the sleeve of the metallic sheet, and a flat head capable of abutting against the arcuate portion and sitting flush with the metallic sheet when the screw is placed in the extruded tapped hole of the metallic sheet.

Abstract: A set of screws sized and configured for fixing a Jones fracture in a fifth metatarsal bone of a patient by preserving a bone thread path. Each screw has a low profile head on a trailing end, a thread portion on a leading portion, and a smooth shank portion between the head portion and the thread portion. A first screw has a thread major diameter of between about 4.4-4.6 mm, a second screw a thread major diameter of between about 5.4-5.6 mm, and a third screw a thread major diameter of between about 6.4-6.6 mm. The thread portion of all the screws in the set has a set of identical thread profile characteristics comprising a pitch, a leading edge angle, a trailing edge angle, a leading edge radius, a trailing edge radius, and a land. Each screw size is provided in various preferred lengths.

Abstract: A casing includes a metallic sheet and a screw. The metallic sheet is formed with an extruded tapped hole surrounded by an arcuate portion in the metallic sheet and a sleeve integrally with and depending from the arcuate portion. The sleeve has internal threads. On the other hand, the screw is configured to seal the extruded tapped hole of the metallic sheet. The screw has a threaded section configured to be mated with the internal threads of the sleeve of the metallic sheet, and a flat head capable of abutting against the arcuate portion and sitting flush with the metallic sheet when the screw is placed in the extruded tapped hole of the metallic sheet.

Abstract: The invention refers to a family of fastening devices including at least two fastening elements (101, 121), each one of said elements including a shaped end portion (105), a frontal face (106) of the shaped end portion (105) having a cavity (107) extending as far as a bottom (108), the fastening elements having different maximum grips (Gmax), the family being configured so that the distance (109?) between the bottom (108) of the cavity (107) and the limit (170) between the body and the shaped end portion is identical for all the fastening elements (101, 121). The invention refers moreover to a unit (100) including such a family of fastening devices and a check gauge (150), as well as a method for checking of the choice of the length of a fastening element (101, 121), by means of the check gauge (150).

Abstract: The invention relates to a functional element in the form of a press-in element for attachment to a sheet metal part, wherein the functional element has a head part and a shaft part, the head part has a ring-shaped sheet metal contact surface at the side adjacent the shaft part and a ring-shaped axial recess inside this ring-shaped sheet metal contact surface and surrounding the shaft part at the transition from the head part into the shaft part. In accordance with the invention the shaft part has a plurality of circumferentially distributed radial recesses extending in the axial direction and between these noses which likewise extend axially and project radially, wherein raised material portions are present at the positions of the radial recesses at their axial ends adjacent the head part and form undercuts with the head part in the region of the ring-shaped recess.

Abstract: A screw anchor for insertion into concrete is disclosed. The screw anchor has an essentially cylindrical base body on whose outer lateral surface an external thread is provided and which has a receptacle arranged in the direction of the cylinder longitudinal axis originating from an axial end face. The receptacle has a load-bearing structure originating from the axial end face. A tool receptacle extending essentially in the direction of the cylinder longitudinal axis is provided in the receptacle, wherein the tool receptacle extends further into the receptacle than the load-bearing structure from the end face to the rotary drive of the screw anchor in the cylinder longitudinal direction.

Abstract: A drive connection for fixing a torque converter to an engine crankshaft includes a crankshaft, a torque converter, and a threaded fastener. The crankshaft includes an end face, a rotational axis, and a threaded hole aligned with the axis. The torque converter includes a rotational axis and a cover having an aperture aligned with the axis. The threaded fastener extends through the aperture and is engaged with the threaded hole to secure the cover to the end face. In an example embodiment, the drive connection includes a sealing element disposed between the fastener and the cover. The sealing element may be a washer or an o-ring.

Abstract: An eccentric rail mounting system is disclosed. In various embodiments, this system comprises an eccentric rail nut for off-center mounting of a rail on a firearm. The eccentric rail nut has an exterior surface that defines a central axis of the nut and a main bore that defines a central axis of the main bore that is displaced from the central axis of the nut. Components and methods are disclosed in a variety of embodiments.

Abstract: The invention relates to a self-drilling fastening element (10), comprising a rotationally symmetrical drilling tip (16) and a shaft (14), wherein the cross-section of the drilling tip (16) is bounded by a first radius (R2), the origin (22) of which lies outside the rotational axis (18) of the drilling tip (16) on the side opposite the rotational axis (18), near the drilling tip (16), and a second radius (RI) near the shaft (14), wherein the origin (26) of the second radius (RI) is farther from the rotational axis (18) than the origin (22) of the first radius (R2) and likewise lies on the opposite side of the rotational axis (18).

Abstract: A compression pin for urging two bone regions together includes a pin body having a distal end, an opposed proximal end, a first threaded region, and a second threaded region. The first threaded region is positioned near the distal end, and the second threaded region is positioned near the first threaded region. The first threaded region includes a first thread having a FT leading surface that is at a FT leading angle, and the second threaded region includes a second thread having a ST leading surface that is at a ST leading angle that is different than the FT leading angle. During insertion of the compression pin, the first threaded region and the second threaded region cooperate to aggressively compress the bone regions together.

Abstract: An article of manufacture selected from a titanium alloy fastener and a titanium alloy fastener stock including an alpha/beta titanium alloy comprising, in percent by weight: 3.9 to 5.4 aluminum; 2.2 to 3.0 vanadium; 1.2 to 1.8 iron; 0.24 to 0.3 oxygen; up to 0.08 carbon; up to 0.05 nitrogen; titanium; and up to a total of 0.3 of other elements. In certain embodiments, article of manufacture has an ultimate tensile strength of at least 170 ksi (1,172 MPa) and a double shear strength of at least 103 ksi (710.2 MPa). A method of manufacturing a titanium alloy fastener and a titanium alloy fastener stock comprising the alpha/beta alloy is disclosed.

Abstract: An article of manufacture selected from a titanium alloy fastener and a titanium alloy fastener stock including an alpha/beta titanium alloy comprising, in percent by weight: 3.9 to 4.5 aluminum; 2.2 to 3.0 vanadium; 1.2 to 1.8 iron; 0.24 to 0.3 oxygen; up to 0.08 carbon; up to 0.05 nitrogen; titanium; and up to a total of 0.3 of other elements. In certain embodiments, article of manufacture has an ultimate tensile strength of at least 170 ksi (1,172 MPa) and a double shear strength of at least 103 ksi (710.2 MPa). A method of manufacturing a titanium alloy fastener and a titanium alloy fastener stock comprising the alpha/beta alloy is disclosed.

Abstract: There is provided a linear object comprising magnesium-alloy having not only excellent heat resistance but also excellent plastic formability. The linear object comprising magnesium-alloy contains, on a mass percent basis, 0.1% to 6% Y, one or more elements selected from the group consisting of 0.1% to 6% Al, 0.01% to 2% Zn, 0.01% to 2% Mn, 0.1% to 6% Sn, 0.01% to 2% Ca, 0.01% to 2% Si, 0.01% to 2% Zr, and 0.01% to 2% Nd, and the balance being Mg and incidental impurities, in which the linear object comprising magnesium-alloy has a creep strain of 1.0% or less, the creep strain being determined by a creep test at a temperature of 150° C. and a stress of 75 MPa for 100 hours.

Abstract: An object of the present invention is to reduce the fastening time and to obtain a predetermined fastening force and to suppress the loosening of a screw.

Abstract: A composite fastener, a belly nut, a tie system and/or a method reduce heat transfer through a building envelope. The composite fastener, the belly nut, the tie system and/or the method secure a wall to a backup structure. The composite fastener is constructed from a fiber reinforced polymer that has fibers embedded in a polymeric matrix. The composite fastener has a low thermal conductive value (k-value) and has non-corrosive properties. The belly nut has a fastening hole on a first side of the belly nut to attach the composite fastener to the belly nut. Further, the belly nut has a pathway to receive a leg of a pintle from a top surface of the belly nut to a bottom surface of the belly nut. The pathway is sized to allow for greater vertical adjustment eccentricity between the belly nut and the pintle without creating large horizontal deflections of the tie system.

Abstract: Fasteners, such as bolts, nuts and screws, rivets, pins, and retaining rings, made of a highly kinked rigid-rod polyarylene exhibiting outstanding characteristics, notably a high torque and a high tensile elongation, a measure of practical toughness.

Abstract: A threaded joint includes a flange, a nut and a flexible seal. The flange, the nut and the flexible seal have threads respective inner surfaces, the threads having shapes complementary to threads on an outer surface of a stem. The flange is configured to allow the stem to move by rotation through the flange. The nut and the flexible seal are configured to move by rotation relative to the stem. The flange has a counter bore and the nut has a groove. The flexible seal has a first portion configured to fill the counter bore in the flange, and a second portion configured to fill the groove of the nut.

Abstract: A self-sealing attachment assembly, includes a base portion defining a receptacle having an opening at one end and a surface with a through-hole at an opposite end, a sealant material in the receptacle, and a cover secured to the base portion and enclosing the opening, wherein the cover is configured to receive a driving force from a fastener and dispenses the sealant material via the through-hole by displacement through the receptacle when actuated by the driving force. A method is disclosed for installing a building material to a framing that includes mounting a self-sealing attachment assembly onto a fastening member and driving the fastening member through the sealing assembly and the building material toward the framing to dispense a sealant material to seal the penetration hole formed by the fastening member in the building material to form a watertight seal.