400 results about "Threaded fastener" patented technology

A sacroiliac fusion implant device assembly has an implant body and a pair of bone fasteners. The implant body has a distal end and a proximal end with a longitudinal axis extending between a center of the distal end and a center of the proximal end. The distal end has cutting edges configured to cut tissue as the implant is pressed into a joint between a sacrum and an ilium. The proximal end has two bone fastener receiving apertures, each configured to receive a bone fastener and the implant body has a pair of sidewalls connecting the distal and proximal ends. The pair of bone fasteners can be a pair of threaded fasteners, or a pair of spike fasteners or a combination of one threaded fastener and one spike fastener.

An electrical box assembly is disclosed including an electrical box having at least one sidewall, the sidewall including a channel formed therein to receive a threaded fastener. A mounting bracket is provided that is configured to be attached to a support member. The mounting bracket is operably engaged with the threaded fastener to facilitate an adjustment of the mounting bracket with respect to the electrical box, and consequently adjust the electrical box with respect to the support member.

The invention provides a circuit breaker fastener assembly and disassembly method and system based on thermally induced phase locking. The method comprises an installation stage and a disassembly stage. The installation stage comprises the following steps: assembling a circuit breaker assembly, pre-tightening a threaded fastener, and debugging an opening distance and an over travel to standard values; a first preset torque T1 is adopted for first-time fastening; the threaded fastener is heated to the target temperature Ttarget at the controllable heating rate through an electromagnetic induction heating device, and an accurate expansion gap is generated; carrying out secondary fastening by adopting a second preset moment T2 in a thermoplastic window period; and naturally cooling to form permanent thermally induced interference fit. The dismounting stage comprises the steps that a pre-cooling low-temperature medium is adopted to cool the threaded fastener to the target temperature Treve at the rapid cooling rate, and interference fit is converted into clearance fit; and lossless dismounting is realized. The invention relates to the technical field of circuit breakers.

The utility model discloses a hoop support which comprises a hoop body, and the hoop body is fixed to the external environment in a surrounding mode when used. The hoop further comprises a fastening device, and the fastening device is used for applying fastening force to the hoop body and enhancing the acting force of the hoop body and the external environment. The hoop comprises a hoop body, and further comprises a quick connecting base, the quick connecting base is connected with the hoop body, and the quick connecting base is used for being quickly connected with external equipment with a corresponding connecting base. And then external equipment provided with a connecting seat corresponding to the quick connecting seat is directly in butt joint with the quick connecting seat, so that the installation is completed, other parts do not need to be additionally disassembled in the installation process, threaded fasteners do not need to be screwed, and convenience and rapidness are achieved.

The utility model discloses a disassembling and assembling mechanism which comprises a support and a disassembling and assembling assembly. The support comprises a base and an extending part which are connected, the base is used for bearing and positioning a product, and the extending part extends in the first direction. The dismounting assembly comprises a power piece and a connector which are connected, the power piece is slidably connected to the extending part in the first direction, the connector is made to move towards the base, the connector is used for being connected with the head of the threaded fastener, and the power piece is used for driving the connector to rotate so as to dismount the threaded fastener connected to the product or connect the threaded fastener to the product. Compared with manual screwing or loosening of the threaded fastener, the disassembly and assembly mechanism has the advantages that movement of the disassembly and assembly assembly and rotation of the connector can be automatically performed, automatic disassembly and assembly of the threaded fastener are achieved, the automation degree is high, and a large amount of manpower can be saved.

A shelving assembly employing a hybrid connection system using both threaded and non-threaded fasteners, designed to provide shelving that is both relatively strong and durable, while also being capable of relatively rapid assembly and disassembly.

Disclosed are mounting bracket assemblies, mounting brackets, mountable light fixtures, and methods of installation thereof. One aspect of the disclosure concerns an assembly for mounting a pendant light comprising a mounting bracket, a hanger, and a strain relief. Another aspect of the disclosure concerns an assembly for mounting a ceiling flush mount light or sconce comprising a mounting bracket, a mountable enclosure, and a threaded fastener. Also disclosed are methods for mounting a pendant light, a ceiling flush mount light, and a sconce.

A wire rope clip to clip strands of wire rope together includes a one piece U bolt including a pair of threaded members; a saddle including a pair of holes that receive the pair of threaded members of the U bolt to compress the strands of wire rope between the U bolt and the saddle; a pair of fasteners threadably engageable with the threaded members of the U bolt, wherein the U bolt and the saddle include respective stop engagement members that engage when the pair of threaded fasteners threadably engage the threaded members of the U bolt to a predetermined point, creating even pressure by both the one piece U bolt and the saddle on the wire rope clip and proper torque to the wire rope strands.

A retention system for a threaded fastener is contemplated. The retention system optionally includes a threaded housing having one or more engagement recesses extending through a portion of the housing wall. A threaded hub including a plurality of teeth and a trough between each tooth of the plurality of teeth is coupled with the threaded housing. A vise anchor, (e.g., a clip, clasp, clamp, or other similar fastener) includes two or more jaws interconnected by a bridge. Each jaw includes an engagement portion where the engagement portion is sized and shaped to extend through the one or more engagement recesses and be received within the trough. Each jaw is formed to maintain retention of the threaded hub received within the housing.

A device for use with a wood-based structural element having an outer surface and inner surfaces defining a T-slot, wherein the T-slot has a central section that is open at the outer surface, and has a pair of undercut sections projecting from opposite sides of the central section, and the inner surfaces of the structural element include a pair of inner surfaces facing inward, the device comprising: a T-nut having an outer portion receivable in the central section of the T-slot, a screw-threaded bore, and an inner portion with a pair of clamping surfaces projecting from opposite sides of the outer portion; wherein the bore has a nominal cross-sectional area for receiving a threaded fastener, and the clamping surfaces on the T-nut have a combined surface area of about 10 times the cross-sectional area of the bore; and wherein the T-nut is configured for use with a wood-based structural element.

A fixed connection structure of a three-section type connecting rod of a medium-speed diesel engine comprises a connecting rod body, a connecting rod upper cover and a connecting rod lower cover, the connecting rod body and the connecting rod upper cover are connected through a connecting rod short stud and a nut, and the connecting rod upper cover and the connecting rod lower cover are connected through a connecting rod long stud and a nut. Reliable cooperation of the connecting rod threaded fastener bearing fatigue and impact loads is improved by optimizing the thread tolerance, the thread root radius and the stud outer diameter requirements of the connecting rod upper cover and the connecting rod short stud. By means of precise thread tolerance fit and optimized tooth bottom arc radius design, fatigue strength and impact resistance of threaded connection are remarkably improved, the problem that traditional connecting rod threaded connection is prone to loosening and failure is solved, and the connecting rod is suitable for the high-load working condition of a high-power medium-speed diesel engine.

A male anti-cross threading fastener comprising: a substantially round shank having a lead end, a torque end, and a plurality of male threads around a circumference of the shank, the plurality of male threads comprising: a standard thread around at least a portion of the circumference of the shank and having a standard thread contour, wherein a width and a thread angle of the standard thread enables engagement with corresponding female threads, wherein the major diameter of the standard thread is between a lower major diameter limit and a higher major diameter limit; a transitional thread around at least a portion of the circumference of the shank and having a transitional thread contour with a width and a thread angle similar to the width and thread angle of the standard thread that enables engagement with corresponding female threads; an anti-cross thread around at least a portion of the circumference of the shank and having an anti-cross thread contour and an outside diameter configured to promote alignment of the male anti-cross thread fastener with a female fastener; and a lead thread around at least a portion of the circumference of the shank and having a lead thread contour, and wherein the transitional thread contour has a height that transitions from the lower major diameter limit of the standard thread to the outside diameter of the anti-cross thread.

A mounting bracket for assembling a first component and a second component includes: a bracket body rotatable relative to the two components; the mounting bracket is mounted on the first component and includes a circular array of fastener through-holes through each fastener through-hole and into a threaded hole in the first component to fasten the mounting bracket to the first component. A locator pin protrudes from the central region of the bracket body, the locator pin being inserted into a pin aperture in the second component, thereby attaching the mounting bracket and the first component to the second component. A pair of fastener holes are positioned diametrically opposite one another across the locator pin and both are positioned at a common radial distance from the locator pin. Another pair of fastener holes are positioned diametrically opposite one another across the locator pin, and each fastener hole is positioned at a different distance from the locator pin.

The utility model discloses an efficient energy-saving heating ventilation air conditioner pipeline connecting structure, and relates to the technical field of heating ventilation air conditioner pipelines, the efficient energy-saving heating ventilation air conditioner pipeline connecting structure comprises a first pipeline and a second pipeline, one end of the first pipeline is fixedly connected with a first butt joint seat, and one side of the first butt joint seat is provided with an annular butt joint groove; a second butt-joint seat is fixedly connected to one end of the second pipeline, an annular butt-joint plate is arranged on one side of the second butt-joint seat, a sealing cushion layer is fixedly attached to the side, away from the second pipeline, of the butt-joint plate, the butt-joint plate is matched and clamped with the butt-joint groove, and the sealing cushion layer abuts against the deep position in the butt-joint groove; four clamping grooves are formed in the outer side of the circumference of the first butt joint seat at equal intervals, four mounting grooves are formed in the outer side of the circumference of the second butt joint seat at equal intervals, and the size of the mounting grooves is matched with that of the clamping grooves. When a pipeline is connected and locked, a threaded fastener and a matched mounting tool are not needed, so that time and labor are saved, and the efficiency is higher.

Instrumented nut, clamping sleeve, clamping device and method for tightening such a nut. The invention relates to an instrumented metal nut (10b) comprising a tubular body having a polygonal drive surface (14). The nut comprises, on at least one annular portion (34) of its outer surface: an electrically insulating layer (36) applied to the annular portion; a piezoresistive conductive polymer (38) whose ohmic resistance varies according to a stress exerted during tightening of the nut on a threaded fastener, said conductive polymer being applied to the electrically insulating layer; and at least two electrodes (40). Figure for the abstract: Figure 2

The utility model relates to the technical field of electronic atomizer production, and discloses an oil injection jig and electronic atomizer production equipment. One end of the bearing plate set is rotationally connected with the bottom plate, and positioning blind holes used for positioning and bearing workpieces are formed in the top of the bearing plate set; the angle adjusting assembly comprises an adjusting plate with the bottom end abutting against the bottom plate to support the other end of the bearing plate set and a threaded fastener in threaded connection with the bearing plate set. The adjusting plate is provided with a through groove, the threaded fastener can slide along the through groove so as to adjust the inclination angle of the bearing plate set, and the threaded fastener can be screwed into the bearing plate set so as to clamp the adjusting plate. According to the oil injection jig and the electronic atomizer production equipment, the oil storage assembly and the atomizing core assembly can be inclined to different angles, and oil injection can be more convenient.

A watercraft oil-siphoning device is provided. The device is comprised of a collection attachment that mimics the form and function of an oil filter. The attachment interfaces with the oil filter mounting area using a threaded fastener for a secure connection. A second end of the attachment includes a fastener that accommodates various tubing connectors. Tubing attaches to this fastener through compatible connectors, allowing flexibility in connector types and incorporating a one-way valve to prevent backflow during oil removal. The tubing's other end connects to a cap using a fastener, with the cap sealingly engaging with a container to collect the siphoned oil. The container, made of materials like HDPE or stainless steel, includes a handle for easy handling. The method of use involves sequentially connecting the device components and activating the watercraft to siphon oil through the system for clean and efficient collection.

The utility model relates to the technical field of shells of electromechanical devices, in particular to a metering box. The metering box comprises a box body, an upper cover is arranged on the box body, a small door is assembled on the upper cover in a rotating mode, and a sealing ring used for achieving sealing between the small door and the upper cover after the small door is locked is arranged on the upper cover or the small door. An elastic piece is arranged between the small door and the upper cover, and the elastic piece is used for providing elastic force for the small door to rotate towards the direction of the upper cover so that the small door can be locked on the upper cover. The metering box provided by the utility model solves the problems that the locking and unlocking processes of the small door are time-consuming and labor-consuming and the labor intensity is high because the small door is locked through a threaded fastener in the prior art.

The utility model belongs to the field of expansion sleeves, and discloses an anti-loose expansion sleeve and an assembly thereof. The anti-loose expansion sleeve comprises an expansion sleeve body, outer teeth evenly distributed in the circumferential direction are arranged on the outer side of the expansion sleeve body, the expansion sleeve body is installed in the connecting end cover and detachably connected with the threaded fastener, and inner notches corresponding to the outer teeth are formed in an inner hole of the expansion sleeve body. Before the expansion sleeve is screwed into the threaded fastener, an inner hole of the expansion sleeve is an unthreaded hole, after the expansion sleeve is screwed into the threaded fastener, the inner hole of the expansion sleeve is extruded by the threaded fastener to generate self-tapping internal threads, the threaded fastener rotationally penetrates through the inner hole of the expansion sleeve, the inner hole is expanded towards the periphery by the threaded fastener, and the expansion sleeve and the threaded fastener are tightly combined to generate outward tension. The interference magnitude of the matched aperture of the expansion sleeve and the connecting end cover is further increased; the threaded fastener needs to be reversely rotated and separated from the expansion sleeve to overcome large friction force, the anti-loosening effect is far higher than that of traditional thread anti-loosening, and the anti-loosening performance is reliable.

The present disclosure provides a system for determining tension in a target bolt. The system includes one or more ultrasonic wave transducers configured to detachably couple to the target bolt and capable of generating shear and longitudinal waves in the target bolt. The system further includes a pulser-receiver configured to operatively couple with the one or more transducers and cause the one or more transducers to generate ultrasonic longitudinal and shear waves in the target bolt, and is further configured to process signals received from the one or more transducers to generate signal data. The system further includes a processing device configured to operatively couple with, and receive the signal data from, the pulser-receiver. The processing device includes a processor coupled to memory, wherein the memory stores instructions that, when executed by the processor, cause the processor to determine, based on the signal data, a TOF ratio of longitudinal and shear waves in the target bolt, and tension in the target bolt based on a model and the TOF ratio in the target bolt, wherein the model relates TOF ratios and tension levels for a plurality of test bolts.

The invention discloses a universal energy-saving quick joint for robots, belongs to the technical field of robots, and provides a universal quick clamp capable of being connected with a light mechanical arm, which is used for quickly mounting, fixing and replacing a tool at the tail end of the mechanical arm and has a remarkable energy-saving effect. The device comprises a fixed universal base and a tool connector capable of being rapidly detached, the universal base can be mechanically and electrically connected with a tool flange at the tail end of an industrial robot, and the tool connector capable of being rapidly detached achieves electromechanical connection of a special tool of the robot. Under the condition that a threaded fastener does not need to be used, the tool interface can be disassembled only under the condition that the magnetic force is switched on and off, and therefore the tool interface can be rapidly assembled and disassembled.

A clamp for adjustably securing a frame of a solar panel to a structural member of a building, the clamp including a first body member comprising a distal end and a proximal end as well as an opening in the first body member disposed proximate the distal end. The clamp also includes a second body member disposed substantially orthogonal to the first body member at the proximal end of the first body member, the second body member further comprising at least one outwardly extending restraining member for either insertion into a slot within the frame or for placement atop the frame. The clamp also includes a multi-sided head with a shaft and an off-center hole disposed within the shaft, the shaft received within the opening in the first body member and the off-center hole operable to receive a threaded fastener for insertion into the structural member.

A fastener includes a bolt including a head and a threaded shank including a bare section proximate the head, an end section having a wider end and having a plurality of alternate grooves and ridges, an intermediate section proximate the end section and having a spiral trough, and a threaded section between the intermediate section and the bare section; and a hollow member including a head member and a malleable shank having a plurality of holes. The end section is tapered toward the intermediate section at an angle of 3-degree to 8-degree.

A retention system for a threaded fastener is contemplated. The retention system optionally includes a threaded housing having one or more engagement recesses extending through a portion of the housing wall. A threaded hub including a plurality of teeth and a trough between each tooth of the plurality of teeth is coupled with the threaded housing. A vise anchor, (e.g., a clip, clasp, clamp, or other similar fastener) includes two or more jaws interconnected by a bridge. Each jaw includes an engagement portion where the engagement portion is sized and shaped to extend through the one or more engagement recesses and be received within the trough. Each jaw is formed to maintain retention of the threaded hub received within the housing.

The invention relates to the technical field of screw turning devices, and discloses an assembling device for an automobile threaded fastener, the assembling device comprises an assembling mechanism, a supporting mechanism and a fixing mechanism, the assembling mechanism comprises a first driving arm, a second driving arm and a third driving arm, and a control bin is arranged at the end of the first driving arm; the control bin can control the first driving arm to rotate along the upper portion of the control bin, the first driving arm is matched with the second driving arm and the third driving arm to move the assembling mechanism to the upper portion of a workpiece, the second push rod drives the fixing plate, the third push rod drives the clamping plate, the workpieces of different widths and thicknesses can be stably fixed, and the assembling mechanism is convenient to operate. The first driving arm, the second driving arm and the third driving arm are matched with circumferential driving equipment, the assembling angle and height can be flexibly adjusted, the device is matched with a complex area of a workpiece, the bearing plate can incline and assist scrap collection, screws of different diameters can be fixed through a micro push rod and a fixing clamping piece of a limiting sleeve, deviation is prevented, and the assembling stability and precision are effectively improved.

The utility model relates to the technical field of building structures, and provides a modular steel structure and a fabricated building, the modular steel structure comprises a plurality of modular unit layers which are sequentially connected in the vertical direction, and each modular unit layer comprises a plurality of modular units; each module unit comprises a plurality of stand columns parallel in pairs, an upper cross beam connected between the upper ends of the adjacent stand columns and a lower cross beam connected between the lower ends of the adjacent stand columns. Upper connecting pieces are welded to the upper ends of the stand columns, lower connecting pieces are welded to the lower ends of the stand columns, and the two ends, in the length direction, of each upper cross beam are detachably connected with the upper connecting pieces welded to the corresponding stand columns through threaded fasteners. The two ends, in the length direction, of each lower cross beam are detachably connected with the lower connecting pieces welded to the corresponding stand columns through threaded fasteners. The modularized steel structure is good in stability and high in construction efficiency.

The invention belongs to the technical field of threaded fasteners. The invention relates to a fastener with 68-degree isosceles triangle thread-shaped angle threads. The design allows a thread angle error of + / -1 degree to exist. The design aims at improving the meshing tightness of the fastener while maintaining the compatibility with an existing fastener system, and the fastener can provide a larger contact area and disperse stress during meshing, so that the stability and durability of connection are enhanced. In addition, due to the fact that the thread pitch is completely consistent with the equilateral triangle tooth-shaped angle thread of the same specification, the fastener can be in seamless fit with an existing fastener system, and the super-strong anti-loosening effect can be achieved through the fit. The 68-degree isosceles triangle tooth-shaped angle thread fastener provided by the invention provides a fastener anti-loosening solution with high performance, high stability and high compatibility. The invention is suitable for various applications requiring reliable connection, especially in the fields of automobiles, machinery, aviation, buildings and the like.

The utility model discloses a triangular aluminum plate splicing and fixing device, and relates to the technical field of triangular aluminum plate installation, the triangular aluminum plate splicing and fixing device comprises a triangular aluminum plate, the outer wall of the triangular aluminum plate is provided with an installation mechanism used for fixing the triangular aluminum plate on a steel frame, the installation mechanism comprises a supporting column, and one end of the supporting column is fixedly connected with the outer wall of the triangular aluminum plate; the connecting sleeve is rotationally connected to the outer wall of the supporting column in a sleeving manner; the fastener is fixedly connected to the side, away from the triangular aluminum plate, of the outer wall of the connecting sleeve, and a fastening hole is formed in the end, away from the connecting sleeve, of the fastener. According to the utility model, the mounting mechanisms are additionally arranged at the three corners of the same surface of the triangular aluminum plate, so that the fastening piece can not cause blocking influence when the triangular aluminum plate is mounted by utilizing the rotation of the connecting sleeve on the supporting column, and the fastening piece and a steel frame can be locked and fixed by adopting the matching of the threaded fastening piece and the fastening hole; and meanwhile, installation can be achieved by clamping the steel frame through the fasteners and the triangular aluminum plates, the installation modes are diversified, and meanwhile installation is convenient, fast and efficient.

A wire rope clip to clip strands of wire rope together comprising a one piece bolt including a pair of threaded members; a saddle including a pair of holes that receive the pair of threaded members of the bolt to compress the strands of wire rope between the bolt and the saddle; a pair of fasteners threadably engageable with the threaded members of the bolt, wherein the bolt and the saddle include respective stop engagement members that engage when the pair of threaded fasteners threadably engage the threaded members of the bolt to a predetermined point, creating even pressure by both the one piece bolt and the saddle on the wire rope clip and proper torque to the wire rope strands.

The utility model is suitable for the field of steam turbines, and discloses a steam turbine shaft seal heat insulation device which comprises a shaft seal threaded fastener used for sealing a rotating shaft of a steam turbine threaded fastener and a heat insulation plate threaded fastener used for wrapping the shaft seal threaded fastener. The shaft seal threaded fastener comprises a plurality of sunken shaft seal cavity threaded fasteners, the shaft seal cavity threaded fasteners are arranged around the shaft seal threaded fastener, and the shaft seal cavity threaded fasteners are covered with the heat insulation plate threaded fasteners and attached to the side wall. The heat insulation plate threaded fastener and the shaft seal cavity threaded fastener jointly form a closed heat insulation space to reduce heat exchange between external air and the shaft seal cavity, so that cooling of the shaft seal cavity by steam is reduced, the overall temperature of the shaft seal is relatively uniform, stress is reduced, and the sealing performance of the shaft seal is improved.