Abstract: Provided are a cap seal with which molding of a seal material by hand can be omitted and variation in cap seal mounting quality can be minimized, a fastening structure provided with said cap seal, and a method for mounting a cap seal. This cap seal comprises: a plurality of cap parts (11) which have an opening (11b) in one end, inside of which a space (11a) is formed, and which have insulation; and a base part (12) which connects the peripheries at the ends of the cap parts (11) on the opening (11b)-sides together and which has insulation; the cap parts (11) accommodating seal members and protruding parts of fastening members inside the spaces (11a), and the opening (11b)-side surface of the base part (12) being fabricated into a mounting surface (16).

Abstract: A buckle assembly and an electronic device using the buckle assembly are provided. The buckle assembly is assembled in a housing of the electronic device. The housing has an inner surface and a column with a first through hole, wherein the column protrudes from the inner surface toward inside of the housing. The buckle assembly includes a fixing element, a shaft and a pair of retaining rings. The fixing element is assembled in the first through hole. The shaft is fixed in the housing. The retaining rings are pivoted to the shaft. Each of the retaining rings has an arc portion, and the retaining rings buckle each other and abut on the column. The arc portions are co-constructed to form a first hole communicating with the first through hole while the retaining rings buckle each other, and the fixing element is inserted in the first hole and column to be fixed in the housing.

Abstract: A method for manufacturing furniture using extruded polymeric honeycomb profiles, capable of providing the market with a sustainable product which can be exposed to moisture. The method includes three polymeric extruded honeycomb profiles, the extruded profile being fitted to the profile by inserting the flanges into the angled conformation, being anchored by the contact of the external flexible flaps with the flexible flaps. The union of profiles and provides an intermediate fitting allowing fixating the shelves, for example, being anchored by inserting the appendage into the angled conformations, fixating them through contact of the flexible external flanges with the external flexible flaps, allowing the formation of a three-part conjugation, being one profile and two profiles. The method allows the union of two profiles through the union of the external flexible flaps of the appendage, anchored to the internal flexible flaps of the flanges.

Abstract: A containment cap assembly for enclosing a metallic fastener extending through a structure includes an inner cap with a projection extending from an outer surface of the inner cap and an outer cap includes a first end which defines an opening and includes an inner surface which defines a first space within the outer cap in communication with the opening. A dimension of the opening and of the first space defined by the inner surface of the outer cap are each greater than a dimension defined by the outer surface of the inner cap such that with positioning the inner cap within the outer cap, a second space is defined between the outer cap and the inner cap. A slot of the outer cap extends first curvilinear direction such that the projection positioned within the slot moves along first curvilinear direction with moving the inner cap into the outer cap.

Abstract: A connection structure in which a robot link member including a first wall, a second wall facing the first wall with an interval, and a connecting wall connecting the first wall and the second wall is connected with a member to be connected contacting a surface of the first wall of the link member, which does not face the second wall, the connection structure includes a bolt penetrating the first and second walls and including a head part contacting the second wall and a screw part screwed into the member to be connected, and a deformation preventing member sandwiched between the first and second walls by tightening the bolt to prevent or reduce deformation of the walls in a direction in which the walls become closer to each other.

Abstract: A cap for forming a sealed cavity around one end of a fastener, the cap having a two-piece construction comprising an outer cap member and an inner cap member. A quantity of sealant is provided between the inner and outer cap members which, upon installation of the cap, is urged to flow between the inner and outer cap members and collect at the base of the outer cap member, to form a bead of sealant around the circumference of the cap, sufficient to adhere the cap to the structure when the sealant cures. A plurality of channels are provided between the inner and outer cap members to facilitate the flow of sealant.

Abstract: The present disclosure provides methods and articles useful in sealing fasteners, including seal caps and methods of their use, and in particular light weight seal caps having higher dielectric breakdown strength, lower weight, and/or lower wall thick-ness. In some embodiments, the seal caps according to the present invention are made of a material having a dielectric breakdown strength of greater than 1.0 kV/mm, in some embodiments greater than 15.0 kV/mm, and in some embodiments greater than 50.0 kV/mm. In some embodiments, the seal caps according to the present invention are thin-walled, having an average wall thickness of less than 1.5 mm and in some embodiments less than less than 0.5 mm In some embodiments, the seal cap comprises a polyurethane polymer, a polythioether polymer, a polysulfide polymer, a fluorinated thermoplastic polymer, a THV polymer, a fluorinated thermo-set polymer, an engineering thermoplastic, and/or a PEEK polymer.

Abstract: This disclosure provides a cap assembly for encapsulating a fastener or portion of a fastener that protrudes from a surface and into a confined space. The cap assembly includes a plurality of nested sections that telescope a collapsed configuration to an extended configuration. The plurality of nested sections includes a base section that includes a base rim that engages the surface in the extended configuration. The plurality of nested sections also includes an end section that has an end wall. The end wall and the base rim define a length of the cap assembly in the extended configuration that is sufficient to encapsulate the fastener within the cap assembly with the base rim engaging the surface and the end wall spaced apart from a distal end of the fastener.

Abstract: A joint comprising: a structure; and a fastener passing through the structure. The cap has a body portion with an annular base terminating at an edge, the body portion forming an enclosure around an end of the fastener. The cap also has an annular flange which extends outwardly from the body portion and is set back from the edge of the base so as to define a pocket between the flange and the base. A sealant is provided in the pocket between the flange and the base, the sealant bonding the cap to the structure via a sealant/cap interface with the cap and a sealant/structure interface with the structure. The surface area of the sealant/cap interface is greater than the surface area of the sealant/structure interface.

Abstract: An assembly comprising at least two non-metal components which are fixed to each other using at least one fixing system. The fixing system includes a fixing device with a fixing element which is provided with a head and a rod, and a crimping ring which is in contact with one of the components. A protection device is a part of the fixing system which delimits a cavity for confining gas around a portion of the device comprising the crimping ring. In order to improve the repeatability of the operation for positioning the protection device, a guiding device is provided which includes an assembly element on the portion of the fixing device, and an element for guiding the protection device.

Abstract: A bolt-hole cap for sealing the bolt hole of a rail includes a top face and a bottom face from which multiple protrusions extend. Each protrusion extends radially from inner portion toward outer portion of the bolt-hole cap. Each protrusion has two side faces and an end face connected between the two side faces. The end face has a first width. When the bolt-hole cap is inserted into a bolt hole and the top face of the bolt-hole cap is in flush with the top face of the rail, the end face of each of the protrusions contacts the bolt in the bolt hole. The protrusions are plastically deformed toward the side faces and the end face has a second width which is wider than the first width, so that the bolt-hole cap has sufficient strength to keep the top thereof flushing the top of the rail.

Abstract: A standoff adaptor for a threaded hollow wall anchor for mounting an item to a wall. A threaded member has a washer mounted thereon with a recess to receive and contact the head of a mounting anchor. The distal end of the threaded member is received into a standoff having at its opposite end a bolt threadedly mounted thereto for holding an item between the bolt and standoff.

Abstract: A solid plug, any chosen material, tapered to approximately one degree or un-tapered, having a three-dimensionally textured surface made up of elements imparted upon a surface of the plug causing the plug to exhibit a strong hold-in force of outwardly directed pressure against a side wall of a drilled hole into which the plug is installed keeping the plug within the drilled hole so that the plug does not protrude out of the hole preventing tripping hazards when the hole is drilled in walking surfaces all without requiring the addition of a glue, special tools, or special fasteners. The elements most often imparted on a circumferential surface of the plug comprise outwardly projecting protuberances or incised structures. The plug has a 30 second or less installation time. When the plug is a wooden plug its top end exhibits the wood's face grain.

Abstract: Disclosed is a cover device for a fixing portion, including a coupling hole formed at a side of the fixing portion, and a cover member rotatably coupled with the coupling hole to selectively close the fixing portion, wherein the fixing portion includes a fastening member and a fastening hole, to which the fastening member is fastened. By forming the coupling hole at a side of the fastening hole and rotatably coupling the cover member to a case member, the cover device can prevent the cover member from being lost during fastening or separating the fastening member.

Abstract: A dome-shaped aluminum screw cover is adapted to be placed over the head of a self-tapping concrete screw that is used to fasten a metal structure to concrete on a house or building. A concave inner surface of the screw cover provides a space between the cover and the screw head for receiving a charge of silicone adhesive that bonds the cover to the metal structure and screw head, while also providing a watertight seal around the screw head that minimizes entry of moisture and corrosion of the screw. The screw cover is preferably of the same color as the metal structure so as to reduce its visibility while effectively concealing the unsightly screw head.

Abstract: A windage shield 2 for an array of fasteners 34, the shield 2 comprising a channel 4 for accommodating portions of the fasteners 34 extending into a fluid flow path. The windage shield 2 also comprises a closure flap 12 which extends between opposite side walls 8, 10 of the channel 4 to enclose the interior of the channel 4. The closure flap 12 is displaceable away from at least one of the side walls 8, 10 to provide access to at least one of the fastener portions 34.

Abstract: The smart lid for smart bolts and probes is an electronic sensor for use with a smart bolt or probe having a color indicator for indicating tension. The smart lid includes a color sensor that provides electrical data corresponding to light received from the color indicator of the smart bolt or probe, a microcontroller that receives electrical data from the color sensor and converts that data to a digital form and compares the data against at least one limit, and provides a digital indication wirelessly to a remote monitor if the at least one limit has been exceeded. In this fashion a warning or emergency condition can be indicated when the tension experienced by the smart bolt is too low or too high. The smart lid may include an electrical power source that scavenges electrical power from ambient electromagnetic fields (EMF) and stores the electrical power in a battery.

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 specialized fastener cover is suitable for concealing a fastener used to attach one object to another. The fastener cover includes a decorative emblem and a method of pivoting the emblem between two positions. In one position, the decorative emblem conceals the fastener. When the emblem is pivoted to the second position, the fastener can be accessed so that it can be inserted in fastener receptacles in the objects to attach the objects to one another or removed from the fastener receptacles to separate the two objects. The fastener cover can be incorporated into an attachable object, such as a license plate frame to be attached to a vehicle.

Abstract: A metallic bolt fastener assembly that includes a threaded shank, a head and an end, the head and a portion of the shank encapsulated with a polymer composition. The polymer composition includes a polymer material such as natural rubber, synthetic rubber or thermal plastic materials. The polymer composition provides improved corrosion resistance and superior fluid sealing properties when used as a water tank-to-toilet bowl or other similar plumbing fixture connection system.

Abstract: This nut torque indicator cover includes a cover piece that is joined to an indicator piece. It is fastened to a nut/bolt assembly primarily by pressing it down onto and over the exposed threads of the bolt so that the indicator piece registers with the hex portion of the nut. A snap fit design is incorporated into the nut torque indicator cover such that the cover piece and indicator piece can rotate relative to each other. The cover piece fastens securely to the external threads of the bolt providing protection to the threads, while the indicator piece, secured by the hex flats of the nut, indicates the nut circumferential position, allowing an indication of any torque loss.

Abstract: A manipulator includes an arm body, a cable, and at least one cover fixed on the arm body. The arm body has at least one friction portion over which the at least one cover covers. The at least one cover separates the cable from contacting with the friction portion, thus protects the cable from being damaged by the friction portion.

Abstract: A dome-shaped aluminum screw cover is adapted to be placed over the head of a self-tapping concrete screw that is used to fasten a metal structure to concrete on a house or building. A concave inner surface of the screw cover provides a space between the cover and the screw head for receiving a charge of silicone adhesive that bonds the cover to the metal structure and screw head, while also providing a watertight seal around the screw head that minimizes entry of moisture and corrosion of the screw. The screw cover is preferably of the same color as the metal structure so as to reduce its visibility while effectively concealing the unsightly screw head.

Abstract: A plug finishing system involves forming a counterbore in a cover board above the head of a fastener as it is driven by a specially constructed driver. A plug, which is dimensioned for the counterbore and has a reduced portion, is inserted into the counterbore and positioned so that its exterior surface is co-planar with the exterior surface of the cover board.

Abstract: One embodiment of this fastening apparatus comprises a body with a passage through its length, a threaded member, a locking member, and a bowed ring. The threaded member is retained by the locking member in the passage. The bowed ring is disposed on the body and is configured to be flexible. This body may be fabricated of graphite in one instance.

Abstract: A fastener, of which severe strength is demanded and which can also be applied to a location, in which a flush surface equipment is taken into consideration, and which can be manufactured readily and quickly and reduced in manufacturing cost, is provided. A fastener (1) joins a skin of an airplane and a structural material positioned inside the skin and one end surface of a flush head (3) is covered by an insulator layer (5).

Abstract: A protective cover for a wheel fastening member, said protective cover comprising a body having a top and a bottom, an internal hollow extending from top to bottom and surrounded by an adjacent internal surface and an external surface: the internal surface of the protective cover snugly fitting over the fastening member in use and the external surface comprising flanges to receive a visual aid for indicating the security status of the fastening member, said flanges including a gripping collar and a top collar having a plurality of vertical ribs extending therebetween to restrict the movement of the visual aid, wherein the protective cover protects the fastening member from corrosion and secures the visual aid therewith.

Abstract: A sealed attachment fastener assembly with a receiving member and a cap that can be inserted into an opening in a work piece and fixed therein from only one side of the work piece. A portion of the fastener assembly on the blind side of the work piece is collapsible into a flange. In addition, another portion of the fastener assembly is contemporaneously radially expandable within the opening of the work piece to at least rotationally secure the fastener assembly with respect to the work piece. The radial expansion will result in a high interference fit of the fastener in the work piece, which may enhance the fatigue of the installation. A cap completes the fastener assembly to substantially prevent fluid from leaking through the fastener assembly opening. The cap can be assembled with the receiving member after the internal threads within the receiving member have been machined.

Abstract: One embodiment of this fastening apparatus comprises a cap with a passage through the length of the cap. This cap is received by the upper panels of a body. The embodiments of this fastening apparatus may have two or more upper panels that form a recess. The body also has a lower region with a passage. The upper panels are flexible and can translate to retain the cap within the recess. A threaded member is disposed in the passage of the body. This cap may be fabricated of graphite in one instance.

Abstract: A plug offering a variety of dimensional tolerance absorbing properties providing for a strong hold-in plug force or outward pressure against the side wall of the drilled hole into which a plug is placed These properties come a textured surface produced by surface protuberances and/or recesses that are shaped and/or sized to provide the required hold-in force The positioning of the protuberances and/or recesses also contributes to the required hold-in force The protuberances may be ridges that make-up a series of radial concentric spaced protruding rings oriented perpendicular or parallel to the plugs axial direction of the plug The plugs come in a multitude of shapes including straight, tapered, concave, convex, stepped, wavy, any combination thereof, and/or free-form sides and round, elliptical, square, rectangular, oblong, triangular, polygonal, wavy, or any combination thereof bottom or top ends

Abstract: A lightning-resistant fastener, a cap, a fastener member, and a method for attaching the lightning-resistant fastener are provided, which enhance workability and quality stability besides reliably securing an insulating property, and can lead to enhancement in safety of an airframe and reduction in manufacturing cost. A head portion 25b of a fastener main body 25 includes a head cap 50, and a shaft portion 25s of the fastener main body 25 includes a shaft cap 30, whereby a direct strike of lightning to a fastener member 24, and occurrence of an arc discharge from the fastener member 24 in the case of a lightning strike can be suppressed. A hole 52 is formed in the head cap 50, and a thread groove 52a is formed in the hole 52, whereby the head cap 50 can be reliably and easily positioned and attached to the fastener member 24.

Abstract: Disclosed are various torsional restraint systems for torsionally restraining a jet pump assembly, wherein the jet pump assembly includes a riser pipe, a transition assembly on the riser pipe, and a restrainer bracket connecting a first and a second inlet mixer to the riser pipe. The torsional restraint system includes a first contact member operatively attached to a side of the jet pump assembly and a second contact member operatively attached to the side of the jet pump assembly and disposed from the first contact member such that the first and second contact members restrain the riser pipe from rotating about a centerline of the riser pipe.

Abstract: The invention relates to method(s) and device(s) for accurately positioning and fastening a surface cover to the surface. A surface cover can be provided with a cover snap member that has a drill guide through which a hole can be drilled into the surface. The hole can be used to fasten a surface snap member, which snaps together with the cover snap member. The surface snap member can be attached to the surface through a separate screw. Alternatively, the surface snap member can comprise an integral screw that provides for self-attachment. The surface snap member can have a bore which aligns with the drill guide when the surface snap member and the cover snap member are snapped together. The user can snap the cover snap member and surface snap member and drill a hole into the surface through the channel formed by the aligned drill guide and bore.

Abstract: A foundation for a tall vertical structure, such as a wind turbine installation, features anchor bolts having a grout cap slid over the anchor bolt, where the grout cap has a flared skirt which seals against the open annulus formed by the anchor bolt and its accompanying PVC sleeve, where the top of the PVC sleeve is generally flush with the bottom of the grout trough. The grout cap extends from its bottom which abuts the bottom of the grout trough, up and extending at least partially into a bolt hole in the tower flange. A method of protecting anchor bolts utilizing the grout cap is also described.

Abstract: A security fastener is for installation on a wheel having a recess hole. The security fastener includes a first end portion and a second medial portion. The first end portion is arranged so that it will be exposed outside, at or inside an entrance to the recess hole when the fastener is installed on the wheel, and has a security feature that resists fastener removal using conventional tools to grip the first end portion. The second medial portion has an external key-receiving lock pattern and is arranged so that a side wall region thereof will extend within the recess hole when the fastener is installed. The lock pattern is provided on the sidewall region and will be exposed outside, at or inside the entrance to the recess hole.

Abstract: Improved fasteners are provided for minimizing deformation in the corner region of the bearing surfaces. The bearing surfaces have a primary bearing surface and a recessed bearing surface. The primary bearing surfaces may be oriented in a hexagonal shape with opposing surfaces parallel to each other. The recessed bearing surface is disposed inwardly from the primary bearing surface and extends from the primary bearing surface to the end of the bearing surface.

Abstract: A novel ball mount assembly having a semi-spherical mounting ball formed of a material which renders the mounting ball relatively radially compressible; an insert formed with a stand-off positioned to extend from an outer spherical surface of the mounting ball, and a counter-bore communicating with an outer spherical surface of the mounting ball substantially opposite from the stand-off, and further having an internal bore communicating between an opening in an end of the stand-off distal from the mounting ball and a seat of the counter-bore; and a fastener formed of a threaded shaft and a head positioned on one end thereof, wherein the threaded shaft is sized to extend from the opening in the distal end of the stand-off of the insert when the head thereof is seated against the seat of the counter-bore.

Abstract: A metallic bolt fastener assembly that includes a threaded shank, a head and an end, the head and a portion of the shank encapsulated with a polymer composition. The polymer composition includes a polymer material such as natural rubber, synthetic rubber or thermal plastic materials. The polymer composition provides improved corrosion resistance and superior fluid sealing properties when used as a water tank-to-toilet bowl or other similar plumbing fixture connection system.

Abstract: In a security cover, or system, for a fastener both (1) a step washer, and (2) a hollow cylinder rotating to the contained step washer, are affixed to a surface by a nut, or by a bolt head, that is to be protected from tampering. A (3) hollow cap fits loosely over the bolt head or nut, and is either (A) compressively forced upon the step washer, the cap being within cylinder that is then rotatable relative to the cap, step washer and nut or bolt head; or else (B) compressively forced into the hollow of the cylinder, therein to rotate together with the cylinder relative to the step washer and nut or bolt head. The (3) hollow cap may also be fit compressively over, as opposed to within, the cylinder.

Abstract: A method and apparatus for an insulating cover for fasteners. In one advantageous embodiment, an apparatus comprises a washer and a cover. The washer is capable of receiving a fastener. The cover is capable of being secured to the insulating washer, wherein an insulating volume is created with the cover secured to the washer.

Abstract: A structural fixing system with high clamping force, tightening precision and high corrosion resistance, in particular for light and heavy metalwork elements, comprises a flanged metal bolt (10), and/or a flanged metal nut (20), obtained by hot or cold forming. In the space between the base of the flange (12) and the shank (13) of the bolt (10) or below the flange of the nut (20) is a precision collar with a smaller diameter than the diameter of the flange.

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: An anti-theft fastening device for fastening an SBW motor externally mounted to a transmission case includes a bolt having a head portion and a threaded portion integrally formed with the head portion, a bottomed tubular bolt cover having an opening end, and a cap member closing the opening end of the bolt cover. The bolt cover has a through bore to have the threaded portion of the bolt pass through, a bottom portion abutting a bottom surface of the head portion of the bolt, and a grip portion projecting from an outer circumference of the bottom portion and surrounding a periphery of the head portion of the bolt. When the threaded portion of the bolt is screwed into a threaded groove of the transmission case, the bottom portion of the bolt cover is interposed between the bottom surface of the head portion and each fastening portion of a bracket portion.

Abstract: There is provided a fastener able to prevent damage due to environmental factors such as ultraviolet rays, and impact from sanddust, lumps of ice, and raindrops without obstructing a flow of electric shock current that flows along a top surface of an outer skin. The fastener connects an outer skin of an aircraft to a structural member positioned inside this outer skin, and is provided with a dielectric layer arranged to cover one end surface of a head section, and a conductive layer arranged to cover one end surface of this dielectric layer.

Abstract: A guard rail system includes upstanding and profiled stanchions that have lateral openings therein. The lateral openings receive horizontal rails therein the ends of which are adjacent to each other. The horizontal stanchions have fasteners on one side thereof, that when activated will pressure-fit the two adjacent rails within the opening. The openings are so designed that any two adjacent rails placed therein can be placed therein at a slant if the guard rail system is installed on a stairway. The stanchions and the rails are manufactured from a fiberglass composition that renders the various elements extremely durable. In an alternative embodiment, individual brackets can be mounted in each side of a window opening in a wall without the use of the stanchions. A horizontal rail is placed in each of the brackets and pressure fitted against the wall.

Abstract: The invention relates to method(s) and device(s) for accurately positioning and fastening a surface cover to the surface. A surface cover can be provided with a cover snap member that has a drill guide through which a hole can be drilled into the surface. The hole can be used to fasten a surface snap member, which snaps together with the cover snap member. The surface snap member can be attached to the surface through a separate screw. Alternatively, the surface snap member can comprise an integral screw that provides for self-attachment. The surface snap member can have a bore which aligns with the drill guide when the surface snap member and the cover snap member are snapped together. The user can snap the cover snap member and surface snap member and drill a hole into the surface through the channel formed by the aligned drill guide and bore.

Abstract: The invention is a fastener cover for a fastener having a head and a shank portion, the head portion having a surface with a drive socket recess. In detail, the fastener cover includes a disc shaped member having first and second sides and having a surface area sufficient to cover the surface of the fastener head. The first side of the member having a recess in the shape of the drive socket recess in the center thereof such that when the member is placed on the head of the fastener the recess in the member is alignable with the drive socket recess. The second side of the member includes slit shaped opening extending to the first side, the slit in the shape of the recess in the first side. The cover includes a ring shaped layer of adhesive on the first side of the member extending about the periphery of the recess in the member.

Abstract: The invented probe device comprises a base and a probe. The probe comprises a cap and an elastic member. The elastic member provides a force to push the cap ourwardly. The cap has a cylinder and a substantially slope peripheral at the top of the cylinder. The probe may further comprise a support, slidably connected with the cap. In the lower part of the support a notch is formed and screw threads are form at the side faces except at the surface of the notch. A fixing hole is provided in the base. The fixing hole has a recession so that the shape of the hole matches with the cross-sectional contour of the lower part of the support. A nut secures the lower part of the support tightly to the base.

Abstract: The anchor bolt cap for placement over an anchor bolt and nut assembly has an anchor bolt nut enclosure with bottom and top sides, a tubular anchor bolt enclosure member with bottom and top ends, and an end cap with a closed top side and an open bottom side. The distance between the tubular anchor bolt enclosure member bottom and top ends is variable. The tubular anchor bolt enclosure member top end is connected to the end cap open bottom side, and the bottom end is connected to the anchor bolt nut enclosure top side. The anchor bolt nut enclosure bottom side can have a groove containing an o-ring, or a bottom flange member with a groove containing an o-ring. The anchor bolt nut enclosure top side can have a flange. The connection means can be thermal or chemical welding, or mating threads.

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.