7754results about "Nuts" patented technology

A reaction washer includes a main body that defines an inner diameter that slidingly receives an associated threaded element therethrough so as to define a rotation axis. The main body includes a top surface and a bottom surface that face in opposite directions. The reaction washer also includes a first raised friction inducing surface that extends from at least one of the top surface and the bottom surface so as to be nonconcentric with respect to the rotation axis.

To provide a gaming table that can improve maintainability. 【Solution means】 It includes a certain screw and a magnet, and is configured to be able to hold the certain screw removed from the gaming table by the magnetic force of the magnet.

A twist-lock clamp to attach a solar module to a rail system includes a spring between a top clamp and a t-nut, with features on the spring and top clamp to restrict rotation relative to each other. The t-nut includes features allowing rotation of about 90 degrees when the t-nut is inserted in a rail, but restrict rotation beyond about 90 degrees. The spring serves to hold the top clamp and t-nut apart while allowing the twist-lock clamp to resist sliding in the rail during installation.

A threaded fastener for securing a plate to a layered substrate is provided, as well as methods for installing the threaded fastener. An exemplary threaded fastener may include a head, and a shank having a longitudinal axis between a first end and a second end. The shank may be connected to the head at the second end. The shank may have a pointed terminus at the first end. The shank may have a first portion between the first end and a transition region. The first portion may include a first thread having a first thread profile that encircles the first portion. The shank may have a second portion between the transition region and the second end. The transition region may reside between the first portion and the second portion. The second portion may include a second thread having a second thread profile that encircles the second portion.

A threaded fastener for securing a plate to a layered substrate is provided, as well as methods for installing the threaded fastener. An exemplary threaded fastener may include a head, and a shank having a longitudinal axis between a first end and a second end. The shank may be connected to the head at the second end. The shank may have a pointed terminus at the first end. The shank may have a first portion between the first end and a transition region. The first portion may include a first thread having a first thread profile that encircles the first portion. The shank may have a second portion between the transition region and the second end. The transition region may reside between the first portion and the second portion. The second portion may include a second thread having a second thread profile that encircles the second portion.

A snap-on bracket clamp assembly may include a metal bracket configured to attach to the support structure. A snap-on bracket clamp assembly may include a mounting clamp formed of a polymeric material, the mounting clamp configured to snap onto the metal bracket, the mounting clamp comprising: a first connector hingedly connected to a second connector, the first and second connectors configured to surround the object, and the first and second connectors configured to connect with one another to form the object into a bundle.

A wall fastener assembly for use with a building wall system, with the wall fastener assembly including a fastener and an elongated, semi-rigid seal member. The fastener includes a shaft and a head, with the fastener configured to be secured to the wall system. The seal member includes opposed first and second ends, and a center bore that extends along the length of the seal member and is configured to receive the shaft of the fastener. When the fastener is secured to the wall system the first end of the seal member is configured to compress against a portion of the wall system, such as against a vapor barrier, to form a first seal and the opposite second end of the seal member is configured to form a second seal to thereby seal the wall fastener assembly against the wall system.

The invention relates to a three-dimensional adjustable hyperbolic special-shaped GRC curtain wall system, and belongs to the technical field of curtain walls. The three-dimensional adjustable hyperbolic special-shaped GRC curtain wall system comprises a keel frame, a curtain wall plate and a connecting cross rod, the connecting cross rod is fixedly connected to the end, facing the keel frame, of the curtain wall plate, and the surface of the connecting cross rod is sleeved with a connecting component in threaded connection with the keel frame; the connecting component comprises a first locking assembly in threaded connection with the keel frame, the top of the first locking assembly is fixedly connected with a depth adjusting assembly, and the top of the depth adjusting assembly is fixedly connected with a lateral adjusting assembly; an installation worker can trigger the anti-loosening assembly to discharge the liquid sealant while installing the second locking assembly, and the connecting components are integrally bonded and fixed together, so that the problem that an existing hyperbolic special-shaped GRC curtain wall system with a three-dimensional adjustable function is prone to loosening and even falling off due to the influence of external force is solved.

A solar mounting system includes at least one photovoltaic module (“PV module”) having a module frame and a support structure including at least one elongated support rail configured to support the at least one photovoltaic module (“PV module”). A fastener assembly or hardware stack is used to mount and secure the at least one PV module to the elongated support rail of the solar mounting system. The fastener assembly includes a fastener having a fastener head including at least one abutment surface that prevents rotation of the fastener during mounting of the PV module to the support structure, and, optionally, at least one projection that pierces a protective coating applied to the PV module to thereby establish an electrical bond and grounding of the PV module with the support structure during installation.

A lock tab washer includes a washer body, the washer body defining a first side and a second side opposite the first side, the washer body defining a hole therethrough; an edge tab extending from the first side of the washer body, the edge tab define a first section and a second section, the second section bent relative to the first section; a nut tab extending from the second side of the washer body, the nut tab bent relative to the washer body; and a wing extending from the nut tab, the wing bent relative to the nut tab.

The invention discloses a method for connecting a front shock absorber and a torque compensation device, the front shock absorber comprises a main mounting bracket, a through hole I and a through hole II are formed in the main mounting bracket, the central axis of the through hole I and the central axis of the through hole II are distributed in a crossed manner, one end of the through hole II is communicated with the through hole I, and the other end of the through hole II is communicated with the torque compensation device. A vertical third through hole is further formed in the main mounting support and located in the middle of the second through hole, and one end of the third through hole is communicated with the second through hole. The connecting method includes the steps that one end of a connecting rod with a ball bearing extends into the second through hole from the third through hole, and the other end of the connecting rod is connected with a torque compensation device. Then the bolt rod part of the bolt is inserted from the through hole II, penetrates through the inner ring of the ball bearing at one end of the connecting rod, is connected with the inner ring of the ball bearing in a matched manner and then extends into the through hole I, and then the nut is locked on the bolt rod part in the through hole I in the through hole I, so that the bolt is locked on the main mounting bracket; and the front side shock absorber and the torque compensation device are connected.

The invention discloses a double-acting integrated hydraulic nut and a hydraulic nut system. The double-acting integrated hydraulic nut comprises a cylinder body, a piston, a cylinder cover, a locking nut, an outer hexagon head bolt and a locking sleeve. A mounting plane attached to a workpiece is arranged at the bottom of the cylinder body, and the piston is arranged in an inner cavity of the cylinder body in an axial sliding mode. The outer hexagonal head bolt sequentially penetrates through the axial through hole of the piston and the bottom of the cylinder body, and the threaded end of the outer hexagonal head bolt is meshed with a workpiece in a threaded mode. The cylinder cover is arranged at the top of the cylinder body; the locking nut is in threaded connection with the piston rod and is in contact with the top surface of the cylinder cover; a pressurizing oil port connected with a hydraulic pump station is formed in the side wall of the cylinder body. The hexagonal head of the outer hexagonal head bolt is sleeved with the locking sleeve which is in driving connection with the electric wrench. Due to the fact that the bearing seat bolts are compact in layout and large in bolt pre-tightening force requirement, the experiment platform can be rapidly mounted and dismounted, and working time and cost are greatly reduced.

The utility model relates to the technical field of flanges, in particular to a high-compression-resistance flange which comprises a high-strength flange body, a plurality of bolt holes are formed in the surface of the high-strength flange body, steel sleeves are fixedly inserted into the bolt holes and used for being arranged between bolts and the bolt holes in a sleeved mode, rubber clamping strips are fixedly inserted into the surfaces of the steel sleeves, and the rubber clamping strips are used for being arranged between the bolts and the bolt holes in a sleeved mode. The rubber clamping strip is integrally formed on the surface of the rubber sleeve, and the rubber sleeve is fixedly arranged at the end of the steel sleeve in a sleeving mode. The flange with the high compression resistance has the advantages that the steel sleeves of the I-shaped round pipe structures are additionally arranged in the bolt holes, and the design of the reinforcing ribs is combined, so that the compression resistance of the bolt holes is remarkably improved. The steel sleeve and the reinforcing ribs of the steel sleeve form a firm supporting framework, deformation of the bolt holes under high pressure is effectively prevented, and the overall stability and safety of the flange are guaranteed.

Wet cladding methods are disclosed which allow for construction and concomitant cladding of back-up walls. The end-cladding elements are attached to the wall using undercut anchors which are inserted into holes on the back surface of the end-cladding elements.

The invention discloses a modular splicing type wind power tower drum, and relates to the technical field of wind power engines, the modular splicing type wind power tower drum comprises a first tower drum and an automatic splicing assembly, a first flange is arranged on the outer wall of the top of the first tower drum, the automatic splicing assembly is fixed on the outer wall of a second tower drum, and a rotating sleeve is fixed at the end part of a blade. According to the modular splicing type wind power tower drum, oil flows in the annular channel to push the gear ring to be meshed with the nut gear to rotate, so that the nut body is in threaded connection along the surface of the fastening bolt in the descending process, and after the fastening bolt completely descends, the oil stops flowing to form resistance on the two sides of the blades; the nut body cannot rotate at will through the bearing, it is guaranteed that the first tower drum and the second tower drum are firmly spliced through the fastening bolts, fastening of all the fastening bolts can be achieved at a time, workers do not need to work high above the ground, assembly time is greatly shortened, and therefore the assembly efficiency of the tower drums is improved.

An assembly having a chassis, two supports with a plate and a guide, a nesting system with a bore, a reservoir containing an extinguishing fluid and with two fastening tabs, two bearing tabs and a peg, and a fastener. The reservoir is able to move in translation between a premounting position in which each fastening and bearing tab rests on a plate and each guide guides the fastening and bearing tabs to align the peg and the bore, and a mounting position in which each fastening tab rests on the plate, the peg is introduced into the bore, the bearing tabs no longer rest on the plates and the fastener fastens each fastening tab to the plate. Such an assembly allows the reservoir to be withdrawn and put in place quickly and easily.

A locking-mode-selectable lock bolt and nut device comprises a bolt and a nut, the main fastening nut is arranged on the bolt in a sleeving manner; the fixed locknut is arranged on the bolt in a sleeving manner and is positioned above the main fastening nut; wherein a bolt locking groove is formed in the outer wall of one side of the bolt in the length direction, the section of the bolt locking groove is triangular, an acute angle is formed by two side faces in the bolt locking groove, one side face is arranged in the radial direction of the bolt, and the other side face is an inclined face; mounting through holes are symmetrically formed in two opposite surfaces of the fixed locknut, and a screw hole, a round hole and a square hole are sequentially formed in each mounting through hole from outside to inside; the inner diameter of the round hole is larger than that of the screw hole, and the width of the square hole is smaller than that of the round hole. And the two locking assemblies are respectively inserted into the two mounting through holes of the fixed locknut.

A fastener painting system is a system for painting a head of a fastener. The system includes: a cup for covering the head of the fastener by contacting an edge of the cup with a surface of the object; a supply system; a liquid discharging system; and a moving mechanism. The cup has a cavity for being filled up with paint. The supply system is configured to store the paint and supply the paint into the cavity of the cup. The liquid discharging system is configured to discharge surplus paint in the cavity out of the cup. The moving mechanism is configured to change a position of the cup relative to the object. The cup has a supply port for supplying the paint into the cavity, a vent for discharging air in the cavity out, and a liquid discharging port for discharging the surplus paint out of the cavity.

Methods of concurrently constructing and cladding concrete walls are disclosed. Methods of securing undercut anchors into the back surface of end-cladding elements are further disclosed. Walls and structures generated thereby are also disclosed.

A method and fastening device for attaching polyester fiber panels to a substrate, such as a wall or a ceiling. The fastening device comprises an anchor part for attachment to the substrate and a fastening part for attachment to the panel. The fastening part comprises a cylindrical portion, a helical member surrounding the cylindrical portion for penetrating the panel upon rotation of the helical member and a recess in the cylindrical portion for receiving the anchor part. The thread angle of the leading edge of the helical member is greater than the thread angle of the trailing edge.

The invention discloses a self-tightening spring (1) which is characterized in that a bolt hook (2) is arranged at one end of a tension spring main body (24) and is linear, and a nut hook (3) is arranged at the other end of the tension spring main body (24) and is an L-shaped inverted-inserting hook. The matched bolt (6) is characterized in that the tail end of a common bolt is provided with a bolt hook hole (4), and the bolt hook hole (4) is a radial through hole into which a bolt hook (2) can be inserted. The nut is characterized in that at least one nut hook hole (5) and a blind hole parallel to the hexagonal side face and the end face of the nut at the same time are formed in the hexagonal side face of a common nut. The invention further discloses an anti-loosening thread pair (25), which is characterized in that the bolt hook (2) is inserted into the bolt hook hole (4), the nut hook (3) is lengthened and inversely inserted into the nut hook hole (5), the tension spring body (24) is screwed around the screw rod (7) to tighten the nut (9) and the bolt (6), energy is continuously compensated, loosening displacement of the thread pair is self-tightened, and the purpose of never loosening is achieved.

A flywheel (1100) comprising a plurality of discs (1102) arranged in a stack (1104), including at least first and second end discs at either end of the stack (1104), each of the plurality of discs (1102) including a plurality of disc apertures therethrough, first and second plate members (1106) disposed at opposing ends of the stack (1104), one or both of the first and second plate members (1106) including a plurality of plate apertures (1106a) therethrough for alignment with a corresponding series of disc apertures through the stack (1104), in which one or both of the plate members (1106) includes one or more recesses (1106c) which are disposed on a disc-facing side thereof and positioned adjacent to one or more of the plurality of plate apertures (1106a), and connection means (1114) for clamping the first and second plate members (1106) together about the stack of discs, the connection means (1114) extending through each of the plurality of disc apertures, in which a spacer or space-filling means (1138) is provided between the or each connection means (1114) and the respective disc apertures for supporting the connection means (1114), the spacer or space-filling means (1138) extending from a position within the stack (1104) into the one or more recesses (1106c) of one or both of the plate members (1106).

The invention discloses nut cold heading forming equipment, and relates to the technical field of nut machining, and the nut cold heading forming equipment comprises a cold heading device. According to the nut cold heading forming equipment, through the design of the cold heading device, nuts are evenly conveyed through the guiding mechanism, the stability in the conveying process is kept, the nuts are clamped and fixed through the positioning mechanism, so that follow-up material taking is facilitated, the six-axis mechanical arm controls the clamp mechanism to clamp the positioned nuts, and the nut cold heading forming efficiency is improved. The six-axis mechanical arm adopts multi-angle rotation, materials are placed on the top of the processing device, nuts are clamped and fixed through the processing device, so that the stability of the materials is kept, the subsequent operation requirements are met, the composite device is matched with the processing device, the nuts are extruded through the composite device, and the processing efficiency is improved. And when a small amount of burrs exist after cold heading punching, the burrs are rubbed through the composite device, so that the follow-up machining difficulty is reduced, and rough machining of the nut is achieved.

The present disclosure provides a tolerance compensation fastening assembly for fastening a second part to a first part by cooperating with a nut element provided on the first part. The tolerance compensation fastening assembly comprises a bolt, a compensation element, a connection element, and a holding means. The compensation element comprises a body and a flange, and the flange is provided at one end of the body and defines a compensation hole in communication with a channel of the body. A bolt head is accommodated in the channel and is blocked by the flange, and a bolt rod passes through the compensation hole. The connection element comprises a connection disc and connection legs, and the flange is located between the bolt head and the connection disc. The connection disc is provided with a connection hole to receive the bolt rod. The connection legs are configured to connect the connection disc to the second part. The holding means is provided on the connection disc and the bolt rod, and is configured to couple the bolt rod to the connection disc to prevent the bolt rod from being withdrawn from the connection hole, thereby holding the bolt, the compensation element and the connection element in a pre-assembled position.

An anchor member is provided in the form of a coil, helix or spiral, which may be part of an anchor assembly used as a plasterboard or dry wall fixing. The anchor member provides a bracing function on the back surface of the board that allows the applied load on the fixing to be distributed over the 360 degrees of contact with the back surface of the board and in some embodiments at a distance away from the hole provided in the board for the fixing. The ability to disperse the applied load over a large area on the back of the board provides the fixing with the ability to carry very heavy loads. The fixing may be easily removed and replaced with minimal damage to the board and fixing.

The utility model discloses an anti-loosening and anti-deflection fast-assembling plate for camera shooting and digital products, which belongs to the technical field of accessories of camera shooting and digital products and comprises a fast-assembling plate and a large screw, a containing groove is arranged on the lower side of the fast-assembling plate, and the large screw is arranged in the containing groove. An anti-loosening fastening part used for preventing the camera shooting equipment from loosening is arranged between the large screw and the quick mounting plate, the anti-loosening fastening part comprises a connecting hole, a positioning hole and a fixing piece, the connecting hole is formed in the screw head of the large screw, the positioning hole is formed in the top of the inner side of the containing groove, and the fixing piece is connected with the positioning hole. And the fixing piece can be in threaded connection between the connecting hole and the positioning hole. According to the utility model, the problem that after a traditional quick release plate is used, the traditional quick release plate and the camera shooting equipment are loosened in the using process is solved.

An anchor for components of a lightning protection system may rely on a bonding agent, such as an adhesive, needing time for curing, drying, or otherwise setting (increasing in adhesion, strength, mechanical stability, or any combination thereof) by remaining in place while setting. The anchor may be suspended by a lip extending horizontally past an edge (plane of intersection of two planar surfaces) where a base plate is adhered to a vertical surface and the lip rests, registers in translation, and squares in rotation against a horizontal surface sharing an edge or fold (corner, bend) with the vertical surface. Once set sufficiently, the adhesive supports loads in shear (along plane of adhesion) and tension (perpendicular to plane of adhesion) imposed by brackets holding a cable, point, or both at each base plate.