Abstract: A fittable and releasable fastener includes a head which has a fitted and released portion and a fastening portion; and a fitting and releasing piece which has a fitting and releasing portion. Accordingly, when the fitting and releasing portion fits to the fitted and released portion, an external turning force is applied to the fitting and releasing piece or the head to make the fastening portion combine with at least one object. After the fastening portion is combined with the object, the fitting and releasing portion would release the fitted and released portion to limit the force or the force interval applied on the fastening portion for preventing excessively locking if the force is continuously applied.

Abstract: A fastener structure includes a body portion, a control portion and a fastening portion. The control portion is movably fitted to the body portion. The control portion has a head portion and a limiting portion. The fastening portion is movably disposed at the body portion. The limiting portion is adapted to limit the fastening portion. Therefore, the body portion is disposed at the second object, and the control portion causes the fastening portion to be coupled to or separated from the first object, so as to couple together and separate at least two objects repeatedly and rapidly.

Abstract: A vacuum pump comprises: a base; a rotor shaft rotatably provided at the base; a rotor including rotor blades arranged in multiple stages and a rotor cylindrical portion, and attached to the rotor shaft; stationary blades each arranged between adjacent ones of the rotor blades, the stationary blades and the rotor blades forming a turbo exhaust portion; a stator forming, together with the rotor cylindrical portion, a screw groove exhaust portion; and a hexagon socket head cap screw configured to fix the stator to an upper surface of the base in a guiding path of the screw groove exhaust portion to which gas is guided from the turbo exhaust portion. The hexagon socket head cap screw is a bolt having a smaller height of a head portion than that of a hexagon socket head cap screw according to a provision of a country of use or an international organization.

Abstract: An improved fastening device includes a shank portion with a first end and a second end disposed from the first end. The fastening device includes a head portion disposed adjacent the second end of the shank portion The head portion of the fastening device includes a lower perimeter adjacent the second end of the shank portion, an upper perimeter disposed away from the lower perimeter and a body portion extending between the lower perimeter and the upper perimeter. The head portion is configured to engage a standard hex-shaped socket. The lower perimeter of the head portion has a generally hex shape and the upper perimeter has a different shape than the lower perimeter.

Abstract: A screw capable of drilling holes easily and discharging dregs effectively includes a head; and a stem. The head is formed by an upper portion and a lower portion. The upper portion is a round disk. The annular ring of the round disk of the head is formed with a plurality of inclined protrusions. Recesses between the protrusions extend from an inner edge of the round ring to an outer edge of the round ring and are arranged along un-radial paths. A periphery of the lower portion of the head is formed with at least one knife sheet which extends from the annular ring of the round disk of the head to the stem; and the direction of the knife sheet is inclined to an axis of the lower portion of the head. At a connection of the head and stem, the knife sheet has a maximum height and width.

Abstract: The invention relates to a fire protection device for hung back-ventilated facades, comprising a closure element which is designed to close a gap in a hung back-ventilated facade in the event of a fire, and which can be moved between an open position and a closed position, wherein a tension element is provided which impinges the closure element into the closed position and which can be moved between a pretensioned position and a closing position, wherein the closure element is retained in the pretensioned position by means of a securing element, wherein the securing element is designed in such a way that it releases the closure element when a temperature threshold value is exceeded.

Abstract: A fastening device for use in a spacecraft comprises a shaft and a head, which is connected by a first solder to the shaft. The first solder comprises a material of which the melting point is lower than the temperature acting on the fastening device on re-entry of a spacecraft equipped with fastening device into the earth's atmosphere.

Abstract: A fastening system includes a fastener having a shank with a threaded portion and a head region disposed at an end of the shank and defining a retaining cavity in an end thereof. A clip includes a base region snap fit in the retaining cavity of the fastener and an anchor region for anchoring a wire harness, hose, cable sheath or other component.

Abstract: A facet screw system and method includes an implant assembly having a screw with a removable head, a locking nut, and a collet. An insertion instrument is used to insert the screw, compress the facet joint, locks the implant, and breaks off the head of the screw providing a lower profile implant.

Abstract: A method and apparatus for installing a seal cap. The seal cap may be adhered to a fastener element using a material. A portion of the material may be squeezed out as excess material in response to adhering the seal cap to the fastener element. A number of projections associated with the seal cap may be moved along an interface formed between the seal cap and an object in which the fastener element has been installed. The excess material may be faired using the number of projections as the number of projections is moved along the interface between the seal cap and the object.

Abstract: An end pin has a composite shoulder with a fixed lower half and a rotatable upper half. The halves are alignable in a first, installation mode of minimal footprint relative to the hole and slit in the end piece to permit the pin to be easily inserted through the hole in the end piece. The upper half is rotated into a second, locking mode that increases the footprint of the pin over the hole and slit, thereby preventing inadvertent disengagement of the strap from the pin.

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: The present invention provides a coupling body (32) for coupling a negative channel mould (24), which produces a channel portion of a shaft bottom part (12) to be manufactured from concrete, with a holding device (22), the coupling body (32) comprising a fixing portion (34) for fixing the coupling body (32) to the negative channel mould (24) and first coupling means (42) for magnetically coupling with a first counter coupling means (52) of the holding device (22), wherein the coupling body (32) further comprises second coupling means (48) for mechanically coupling with second counter coupling means (54) of the holding device or of another device.

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: An armor bolt, that is, a bolt in which the bolt head is fabricated from an armor plate and then attached, such as by welding, to a threaded stud or shaft to form the threaded portion of the armor bolt. A preferred embodiment of the invention employs a hex-shaped bolt head cut with a laser or water jet cutter from armor steel plate meeting Mil-A-12560 or Mil-A-46100. The diameter of the bolt head is determined by the hole size in the armor to be attached to the vehicle and the diameter of the threaded stud or shaft. The thickness or height of the bolt head is dictated by the ballistic threat it needs to stop. The threaded shaft in a preferred embodiment is resistance welded to be perpendicular to the head at the center of one face of the hex head.

Abstract: Furniture, such as a bed, dresser, cabinetry has a display system affixing a stack of interchangeable decorative panels to the furniture. The display system has an overlaying panelar frame that captures the stack of panels and has at least one elongated fastener securing the overlaying panelar frame on to a surface of the furniture item. The stack of interchangeable panels are each visually different such as having different colors and/or patterns and can be sandwiched between the overlaying panelar frame and the mounting surface in a pocket to immovably maintain the interchangeable panels against the furniture component. The overlaying panelar frame defines at least one opening or widow through which the outermost interchangeable panel is visible. The stack of interchangeable panels can then be rearranged such that a different panel is placed on top of the stack or the outermost position and thereby be visible through the opening in the overlaying panelar frame.

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 anchor assembly structured for use in connection with ceiling or roofing structures for hanging industrial or commercial components, such as, for example, electrical conduits, heating units, water pipes for automatic water sprinkler systems, and the like. The anchor assembly is easy and quick to install, and also provides enhanced swivel capabilities or angular ranges of movement so as to accommodate various system and spatial requirements in connection with the suspension of the components. Suspension and lateral restraint systems are also disclosed.

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-isolating screw is disclosed. The vibration-isolating screw includes a screw head and a screw tail portion. The screw head includes a first screw body, a first magnetic element, a second screw body, a second magnetic element, a third screw body and a third magnetic element. The first magnetic element and the second magnetic element are mounted on the first screw body and the second screw body, respectively. The third screw body is mounted between the first screw body and the second screw body. The third magnetic element comprises a first end and a second end and is mounted on the third screw body. The first end and the first magnetic element are adjacent and mutual repulsion. The second end and the second magnetic element are adjacent and mutual repulsion. The screw tail portion is connected with the second screw body.

Abstract: A mounting device for a screw including a head and a tip, the mounting device comprising a body and a plunger. The body is attachable to the head of the screw, and the plunger is adapted to extend from within the body upon receiving a downward force. Additionally, the plunger includes a plurality of knurls adapted to transfer torque to the tip of the screw.

Abstract: A compression bone screw is described, with a shank having two opposite shank sections along its axial extent, a first thread being connected in a rotationally fixed manner to the shank in the region of the first shank section. The shank has at least one latching element for rotatably coupling a threaded component bearing a second thread to the second shank section. The invention furthermore relates to a screwdriver blade for the compression bone screw.

Abstract: An anchor assembly structured for use in connection with ceiling or roofing structures for hanging industrial or commercial components, such as, for example, electrical conduits, heating units, water pipes for automatic water sprinkler systems, and the like. The anchor assembly is easy and quick to install, and also provides enhanced swivel capabilities or angular ranges of movement so as to accommodate various system and spatial requirements in connection with the suspension of the components. Suspension and lateral restraint systems are also disclosed.

Abstract: A brick tie anchor secures a brick veneer to an underlying structure. The anchor includes a head portion having a shaped body defining a longitudinal axis. The head includes a key portion extending from an end of the body having generally flat sides and an open central area. A shank has an upper shank portion and a lower shank portion. The lower shank portion is threaded for penetration into the underlying structure. The upper shank portion and the lower shank portion are separated from one another by a shoulder. The upper shank portion includes a knurled region extending from the shoulder. A washer is disposed at the juncture of the head portion and the shank. The washer has a diameter greater than a largest measurement across the head portion. The washer includes a resilient sealing element on the side of the washer adjacent to the shank. A driving tool for the anchor is also disclosed.

Abstract: A suture fixation apparatus having a first body portion having a bone engaging feature to fixedly engage a bony tissue and a second body portion defining an eyelet for receipt of a suture. The second body portion is rotatable with respect to the first body portion. Rotating the second body portion causes the suture to form a twist to frictionally secure the suture.

Abstract: A mounting device for a screw including a head and a tip, the mounting device comprising a body and a plunger. The body is attachable to the head of the screw, and the plunger is adapted to extend from within the body upon receiving a downward force. Additionally, the plunger includes a plurality of knurls adapted to transfer torque to the tip of the screw.

Abstract: An adhesive bonded attachment assembly is provided for supporting and retaining an insulation blanket on a substrate such as aircraft engine nacelle or the like. The attachment assembly includes a stud attachment having a base for adhesive bonded affixation to the nacelle substrate and a fastener element such as a threaded stud extending from the base at least partially into a grommet-lined mounting port formed in the insulation blanket. A radially enlarged, insulated cap fastener is secured to the fastener element to retain the insulation blanket on the nacelle substrate in a manner shielding surrounding structures and components from heat generated during engine operation. The insulated cap fastener projects radially beyond the associated grommet for improved heat-shielding of the adhesive bonded stud attachment, thereby safeguarding against debonding of the attachment base in response to high temperature exposure.

Abstract: A coupling (10) to attach a stainless steel cable (11) to a post (12). Typically the post (12) would be formed of timber. The coupling (10) includes a threaded member (14) that is inserted in the post (12), the member (14) having a head (15). Rotatably engaged by the head (15) is a sleeve (20) that is internally threaded and threadably receives a shaft (23). The shaft (23) has fixed to it the cable (11).

Abstract: A bolt assembly includes a head having a lock connected thereto which includes an eccentric rod with a curved outer periphery and a flat surface. A bead is retractably connected to an outer periphery of the curved outer periphery. A shank has teeth in an outer periphery thereof and has an end plate which has recesses such that the curved outer periphery of the eccentric rod can be selectively and removably engaged with one of the recesses by using a key to operate the lock. A cover is connected to an underside of the head. The shank is co-rotated with the head when the curved outer periphery of the eccentric rod is engaged with one of the recesses. When the curved outer periphery of the eccentric rod is removed from the recesses, the head is independently rotated relative to the shank so that the bolt assembly cannot be unscrewed.

Abstract: An attachment device for coupling one or more restrained members to a frame. In at least one embodiment, the attachment device may be configured to attach one or more turbine combustor liners to a carrier. The attachment device may include a body rotatable about an axis of rotation and including one or more arms for grasping an edge of at least one restrained member. A fastener may be coupled to the body for coupling the body to a frame. The attachment device may also include a retainer for preventing the fastener, which may be a threaded bolt, from becoming disengaged from the attachment device and traveling downstream in a turbine. An alignment device may be included for facilitating rotation of the body of the attachment device and engagement the arms with edges of retrained members. The alignment device may include an alignment indicator indicating a position of the arms.

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: The invention concerns a fastening member comprising a threaded part (150) and a head (100) with which the threaded part can be turned in order to tighten the fastening member in a corresponding element. The head (100) is formed of a plate (110) in one piece with the threaded part (150) and a cap (120) covering said plate. The cap (120) comprises a recessed portion (121) in which an offset is provided to form a housing (128). The plate (110) comprises a guide finger (111) located inside the housing (128) to form a stop against which the cap presses in order to impart a rotational movement to the plate in the tightening direction. The cap (120) further comprises a remotely interrogatable electronic component (130) comprising a data storage means (132).

Abstract: A captive screw for use in electronic assemblies includes a screw with a shaft having a pair of spaced grooves and a cover captivating the screw and for attaching the captive screw. A knob for rotating the screw can be moved along the shaft between an extended position and a lowered position corresponding to the grooves on the shaft, and releasably locked to the shaft in either position. A lock wafer is used to secure the knob to the shaft. A release button with a large head actuates the lock wafer.

Abstract: A fixing tool for fixing an object to be fixed against an opponent member upon pinioning includes a male screw member screwed into a female screw portion formed on the opponent member side and a pinion member for pinioning the object to be fixed in the opponent direction. The male screw member includes a first axis portion formed with a male screw and a head portion having a non-circular contour formed at an upper end of the first axis portion. The pinion member includes a through hole into which the first axis portion of the male screw portion is inserted, seat portions that are formed inside of the through hole at which the head portion of the male screw member is seated, and engaging portions that pinch the head portion between the seat portions for engaging the head portion in a detachable manner.

Abstract: The present invention provides a mounting system for components in the housing of a computer server. The mounting system is preferably a height-adjustable thumb screw assembly, which allows for the components to be installed or removed without the use of tools. In a preferred embodiment, a thumb screw assembly capable of securing components to a chassis includes a screw and a gripping accessory. The screw preferably has a threaded portion, a shank portion, and a head portion, wherein a first groove extends along the shank portion and a second groove intersects the first groove under the head portion. The gripping accessory preferably has an outer gripping surface, a retaining socket, and a hub, wherein a grip is positioned inside the hub for matingly engaging the grooves of the screw.

Abstract: A two-piece fastener assembly for securing thermoplastic roof membranes to an underlying roof deck having: a metal stress plate coated with a thermoplastic coating on its top surface; an opening in the center portion of the stress plate; and a fastener positioned in the opening of the stress plate for securing the stress plate and one thermoplastic roof membrane to the underlying roof deck.

Abstract: A screw device, an assembly for theft-proofing vehicle wheels, and a motor vehicle with theft-proofed vehicle wheels is disclosed. The screw device has a screw with a head and a threaded portion intended to be screwed into a thread of a wheel hub, a sleeve and a lock member. The threaded portion is intended to be screw into the thread of the wheel hub via a recess arranged in a central portion of a vehicle wheel. The lock member is an endless, smoothly undulating or curved lock member. The dimensions of the sleeve are adapted to the dimensions of the recess so that regions of the central portion adjacent to the recess encompass substantially entirely and closely a circumference of the sleeve when the threaded portion has been screwed into the thread. The invention can be applied to all types of vehicle wheels, and is particularly advantageous for exclusive private cars with special rims.

Abstract: The present invention relates to a connecting arrangement, comprising a bolt element having a shank (4) and comprising at least one washer which can be pushed onto the shank (4), the shank (4) and the washer having such a code that the washer can be pushed onto the shank (4) only in a predetermined position, in particular in such a way that a peripheral punching burr which is present points away from the head of the bolt element. In order to reduce the technological manufacturing outlay of such a connection while functionality remains at least at the same high level, it is proposed that the code consist of at least one convexly designed cross section (Q), which extends over at least a section of the length of the shank (4) and is asymmetrical with regard to all the radial axes (C-C, D-D) running through a central cross-section axis (X1) of the shank (4), and of a push-on opening, interlocking with this cross section (Q), of the second washer.

Abstract: The present invention provides a mounting system for components in the housing of a computer server. The mounting system is preferably a height-adjustable thumb screw assembly, which allows for the components to be installed or removed without the use of tools. In a preferred embodiment, a thumb screw assembly capable of securing components to a chassis includes a screw and a gripping accessory. The screw preferably has a threaded portion, a shank portion, and a head portion, wherein a first groove extends along the shank portion and a second groove intersects the first groove under the head portion. The gripping accessory preferably has an outer gripping surface, a retaining socket, and a hub, wherein a grip is positioned inside the hub for matingly engaging the grooves of the screw.

Abstract: The invention relates to a fastener assembly having a fastener with a moveable collar and a method of using the fastener assembly to fasten two work pieces together.

Abstract: The present invention provides a ball joint for use in interconnecting a pair of components to accommodate relative angular movement therebetween. The ball joint includes a socket assembly and a hybrid ball stud. The socket assembly includes a cup-shaped housing defining a cavity therein and an insert disposed within the housing cavity and which defines a spherical ball socket. The hybrid ball stud includes a standard bolt and a polymeric insert attached to, or encapsulating, the head of the bolt to define a spherical ball or a partial spherical ball. The polymeric insert is adapted to be retained in the ball socket. The bolt is a high-volume commercially-available component having a threaded shank segment and a head segment which is over-molded or fitted with the polymeric insert. As such, an inexpensive hybrid ball stud is provided for use in ball joints.

Abstract: A clamp device that is used to maintain a consistent clamping pressure on a flanged connection despite changes in temperature and changes in internal pressure behind the flanged connection. The clamp device contains a rocking bolt assembly that is manually tightened with a wing nut. Should the wing nut loosen, the rocking bolt assembly contains internal springs that compensate for the loosened wing nut and maintain a relatively consistent tension in the rocking bolt assembly within a predefined range of conditions.

Abstract: A fastening bolt fastens flanges between a bolt head and a nut attached on the threaded portion of the shaft via spherical washers. The fastening bolt has a cavity formed within the shaft. By application of pressure in the cavity with a hydraulic fluid supplied through a hydraulic pressure port in a plug, the shaft is extended and the fastening bolt becomes unfastened condition. In the unfastened condition, a gap is created between flange and nut, and the nut and the fastening bolt are free to rotate each other, therefore, the nut can be removed easily by hand from the fastening bolt, even the bolt is large in size. The fastening force is adjustable by the width of the gap before releasing hydraulic pressure in the cavity. By releasing hydraulic pressure in the cavity, the fastened condition is obtained. Conversion between fastened condition and unfastened condition can be made quickly and easily.

Abstract: A captive screw attachable an upper panel, for attaching the upper panel to a lower surface, the lower surface having a threaded hole, the captive screw having a screw, a ferrule that attaches to the upper panel, a thin-walled, cylindrical hollow knob and protrusions integral to the outer perimeter of the head portion of the screw to rigidly secure the perimeter of the head of the screw to the inner surface of the knob, the protrusions providing a press-fit of the screw to the inner surface of the knob where the screw is pressed into the knob from the underside of the knob.

Abstract: A dowel pin of an assembly arrangement for joining two furniture parts. The dowel pin includes a fixing part with a recess into which a dowel shaft is fitted and is then fixed by the deformation and/or pressing-together of a jacket area of the fixing part surrounding the recess.

Abstract: A safety device provides quick and easy removal or separation of a part or assembly from a machine or installation base. The safety release fasteners that secure the part or assembly to the machine or installation base have interconnected sections that are releasable by simply tugging on the part or assembly to allow the sections to snap apart. The breaking of the fastener releases the part or assembly from the machine or installation base, thereby freeing from imminent danger the person, whose hair, clothing or limb may be caught. Axial separation of the fasteners prevent injury to a person or damage to a machine or installation base or to a part or assembly, such as when a large inanimate object is drawn into an intake of a machine or installation.

Abstract: A mounting apparatus is provided. The mounting device including an anchor secured within a cavity of a cap by a lip. The cavity is configured to allow coaxial rotation of the anchor and cap in a first configuration and rotation of the cap about the longitudinal axis of the anchor in a second configuration. The mounting device may further be provided with a collar to prevent the over-insertion of the anchor in use.

Abstract: A nonmetallic threaded fastener, such as a machine screw or bolt, is formed by injection molding a plastic head over one end of a continuously threaded shank, preferably formed of glass fiber reinforced plastic. The fastener is formed in a three part mold including a first part threadedly connected to the shank and received in a bore in a second part of the mold. The second mold part is joined to a third part which includes a cavity for receiving molten plastic to form the fastener head integrally molded to one end of the continuously threaded shank part.

Abstract: An assembly and method for attaching insulation material includes a frame member having a generally vertically-extending flange. A clip has a pair of resilient grabbing members that define an aperture for receiving the flange. A plate member extends generally perpendicular relative to the grabbing members. The plate member includes an opening. A pin having a sharp end extends through the opening in the plate member. A set of washers is connected to the pin to retain insulation material pierced by the pin and to retain the pin in the opening in the plate member.