Abstract: A cover for a lug nut of a wheel disk of a car includes a cover body including a housing, a top cap mounted on the housing, and a screw extended through the housing and screwed into the top cap. Thus, the top cap is detachably mounted on the housing, so that the housing can fit top caps of different patterns to change the patterns of the cover body according to users' different requirements, thereby enhancing the versatility of the cover body. In addition, when the top cap or the housing is worn out, the user only needs to replace the top cap or the housing individually without having to replace the whole cover body, thereby greatly saving the costs.

Abstract: A fastening system includes a fastener having a head portion and a shaft portion, wherein the head portion has a recess (e.g., a removal tool recess), and an insert (e.g., a plastic insert) having an insert shape substantially equal to the recess shape and an insert thickness substantially equal to or less than the recess depth, wherein the insert is configured to removeably seat within the recess of the head portion. In this way, the insert may be later removed from the recess, allowing easy tool access even in applications where an overlying fairing material or other such conformal coating is used.

Abstract: A metallic head of a fastener includes merlon portions between crenel portions. The crenel portions form a slot which may be used to tighten or loosen the fastener. An insulating material covers portions of the metallic head to prevent human contact with the metallic head and terminal lugs secured thereby. The metallic head defines a counter bore portion. Inner walls of the counter bore portion may be formed into a hexagon. The insulating material may extend into the counter bore portion covering the inner walls, as well as the surfaces of the crenel portions. The bottom of the counter bore may remain uncovered to facilitate signal testing with a test probe.

Abstract: A wheel nut assembly includes a stud (1), a main wheel nut (4) mountable on threads (3) provided on the stud, and a retaining nut (6) engageable with threads (5) provided on the stud to prevent accidental loosening of the wheel nut (4). The threads of the wheel nut (4) and the threads for the retaining nut (6) are of opposite hand. A cap (11) is slidably mounted on the retaining nut (6) and biased into a first position by a spring (16). The cap (11) includes multi-hexagonal profiles (12, 14) for engaging hexagonal profiles (13, 15) provided on the retaining nut (6) and on the main wheel nut (4). Accordingly, in the first position, the retaining nut (6) and the main wheel nut (4) are rotationally locked to each other and because of the opposite hand of the respective threads it is not possible to remove the retaining nut. To release the retaining nut (6), the cap (11) is grasped and pulled to the limit permitted by the spring (16) to permit rotation of the retaining nut (6) and removal thereof.

Abstract: The invention concerns a support (30) for storing, transporting and using devices (10) for applying a sealing compound onto an element projecting on a surface. The invention is characterised in that it comprises a plurality of said devices borne by a substantially planar base plate (32) and wherefrom the latter can be detached, and each device includes a cap (11) designed to cover entirely said element and containing a predetermined amount of sealing compound in frozen state. The invention is useful for producing impermeability to fluids at rigid connecting elements such as rivets, bolts or the like, for protecting projecting elements of structures against electromagnetic effects such as lightning.

Abstract: A wall plug suitable for fixing a threaded fastener member to a compact architectural member. The plug is a tubular body portion formed by: a fore portion provided internally with an orifice for insertion of the threaded fastener member and externally with anti-rotation ribs; a long central expansion portion, having longitudinal through slots; and a short rear tail portion for final screwing; and a cup for receiving the head portion of the threaded fastener member having a bottom wall in which said orifice opens for insertion of the threaded fastener member and the diameter of which is greater than the diameter of any part of the tubular body portion.

Abstract: An anchor bolt cap for the top ends of anchor bolts that extend upwardly out of a base foundation onto which is mounted the tower base of a wind generator that produces electricity by rotation of the blades of the wind generator. The bottom end of the tower base of the wind generator has an outer annular flange and an inner annular flange each having a plurality of apertures spaced from each around the entire periphery of the respective flanges. The anchor bolts pass upwardly through these respective apertures and have a washer and nut threaded onto each of the respective anchor bolts for locking the tower base to the top of the base foundation. The anchor bolt caps are installed over the top ends of the respective anchor bolts and prevent moisture from attacking the anchor bolts and thereby prevent corrosion of the anchor bolts.

Abstract: The invention relates to a floor with strips each defining a length and width and along the side and end edges provided with either end tongue or groove. The floor is laid in groups each including a number of tongue and groove assembled strips fastened to a subfloor by means of at least one fastener such as a screw or nail which is driven into the subfloor via at least one stepped transverse hole designed with at least one step in the respective strip and resting against the at least one step with a fastener head covered by a cover plug in the transverse hole. In mounted position, the plug is so stuck that it cannot be stepped down into the transverse hole by e.g. a spike heel which will not be able to damage or break the plug either, as the plug is made of a strong and durable metal such as e.g. bronze or steel. The length of each strip is longer than the width of the strip multiplied by the number of strips in a group. The strips engage each other in a strong and at the same time beautiful braided pattern.

Abstract: The present invention relates to a wheel nut (10) having a nut body (11) with a widened radial collar (12) and a thrust washer (13) which is held rotatably and captively on the nut body (11) by a locking means (16), and having a cap (14) arranged on the nut body (11). In this case, the locking means (16) is designed as an edge (17) which runs around on the thrust washer (13) and which engages both over the collar (12) and over a flange (18) formed at the free end of the cap (14). The present invention relates, moreover, to a further fastening element of this type, for example a wheel screw.

Abstract: A fastening element having a stem provided, at its opposite ends, with a head and a tip, respectively, and a separate cover element releasably arrangeable on the head.

Abstract: An electrical card connector (1) mounted on a printed circuit board (2) via a bolt (3) includes an insulating body (10) in which a number of terminals (11) are provided for electrical connection to the printed circuit board, a shield (12) covering the insulating body, a pair of stand-off devices (14) secured on opposite sides of the shield and a pair of shield members (15) attached on the stand-off devices. Each stand-off device includes a retention portion (140) secured to the shield and a terminal portion (141) with a screw hole (1412) defined therein extending laterally from a lower edge of the retention portion for connection to the printed circuit board. The shield member defines a round hole (151) aligned with the screw hole for receiving therein a tail portion (31) of the bolt.

Abstract: A flange junction lock has two identical approximately L-shaped parts, each with a circular nut or bolt cover mounted to a support neck forming one end portion of a shaft having a series of holes along the shaft leading to a free end, the holes being of such size as to accommodate a lock such as a padlock, and a shaft receiver attached to the support neck forming a slot to receive the shaft of the other L-shaped part. The circular covers fit over a nut and bolt head or nut on the opposite sides of the joined flanges while a lock, such as a padlock, secures the shafts together. Each cylindrical cover has a partial end cap which allows the threaded portion of a bolt to extend through and beyond the cylindrical cover while blocking insertion of a socket wrench.

Abstract: A fastener having a tamper-evident sleeve thereon. The fastener has a shank and a double-headed driving portion that is integrally formed with the shank. The double-headed portion includes an outer head for driving the fastener into a work piece or nut and an inner head for removing the fastener from an assembly. The sleeve is on the inner head and prevents a tool from being engaged with the sleeve for removal of the fastener without there resulting some indication that someone has removed or tried to remove the fastener.

Abstract: A fastener element such as a bolt (or a nut) includes: a base portion having a coupling portion such as a male-threaded shank integrally formed with the base portion (or a female-threaded hole formed in the base portion) and a head portion protruding upwardly from the base portion; and a cap member made of aluminum alloy or the like capped on the head portion, with the cap member made as diversified decorative or functional features for selectively capping the head portion of the fastener element.

Abstract: A device for protecting threaded shafts and nuts against corrosion. The device covers and protects a nut and the exposed portion of a threaded shaft from corrosion found in harsh environments by holding grease in place over the nut and shaft.

Abstract: A hot-melt fastener filler placeable within a void atop an in-place fastener countersunk within a surface such as an exposed aircraft surface. The filler includes an electrically-conductive mat fabricated of at least one ply having a plurality of non-woven electrically conductive fibers each having a core strand coated with a nickel layer, preferably coated with two additional layers of copper and nickel, and generally uniformly dispersed within a thermoplastic elastomer. Electrically conductive carbon black particulate can be distributed throughout the elastomer, and the mat preferably is fabricated of two plies oriented at 0° and 90° to each other. A pressure sensitive adhesive can be provided on one side of the sheet to thereby permit secured placement prior to completion of installation. The fastener filler allows not only regularly scheduled maintenance, but also permits quick and generally uncomplicated field-level repairs for assuring equipment availability at remote sites.

Abstract: A fastener for securing insulation panels to a structural substrate. The fastener comprising an integral cover and a brim connected to a funnel terminating in a hole. The hole allows a screw to pass through so as to connect the fastener to the structural substrate. The cover in the closed position creates a reservoir which facilitates bonding of the fastener to a surface coating applied over the fastener. The funnel has at least one hole which secures the fastener to the insulation panels and helps prevent rotation of the fastener.

Abstract: A protective device for foundation anchor bolts, the protective device having a crown dimensioned to enclose an exposed portion of the anchor bolt and a disc shaped base having legs depending therefrom.

Abstract: A device for preventing disconnection of a coupling. The device includes a main body portion having defined therein a fastener chamber and an opening in communication with the fastener chamber. The opening is located above the fastener chamber. In a preferred embodiment, a standard size socket cannot be inserted into the opening.

Abstract: The invention is a tamper-evident fastener comprising a fastener-thermomshrinkable sleeve assembly and method of using the assembly. The device includes a thermoshrinkable sleeve that fits over a fastener having a shaft and head. Upon placing the fastener and sleeve in a position of use and heating the thermoshrinkable sleeve, the sleeve shrinks to substantially conform to the configuration of the fastener head it surrounds and provides a protective sheath that must be dislodged or removed to alter the position of the fastener. The sleeve may additionally function as a washer between the fastener and the object receiving the fastener. One example of use of this device is as a motor oil drain plug.

Abstract: A nut covering device comprises the following: a cover assembly, including an inner cover, outer cover, and a first constraining mechanism; a second constraining mechanism; and a third constraining mechanism. The first constraining mechanism constrains so that there is no relative motion of the outer cover with respect to the inner cover in an axis direction. The second constraining mechanism constrains so that there is no relative motion of the inner cover with respect to the nut member in the axis direction. The third constraining mechanism constrains so that there is no relative motion of the outer cover with respect to the nut member in the axis direction at least in the removal direction. When a circumferential phase of the inner cover and the outer cover is matched with a predetermined specified phase, second and third constraining mechanisms are released, and the cover assembly can be removed from the nut member.

Abstract: A fastener system that includes a fastener with a longitudinally extending shank with a head on one end thereof, where the head has a first pattern formed thereon, and a cap that is configured and arranged to be seated upon the head, where the cap includes a second pattern formed on an interior surface thereof. This second pattern is adapted to cooperate with the first pattern, whereby rotational forces applied to the cap are transferred to the fastener via contact between the first and second patterns. Furthermore, the second pattern is defined by a closed figure that includes a plurality of outermost circumferential points located along a circle, with adjacent points being separated by a pattern distance that is greater than the length of an imaginary straight line drawn directly between the adjacent points. Several different configurations are available for the second pattern.

Abstract: An automatic screw clamping device for automatically tightening bolts fitted in a metallic mount member, which is hard to nail includes a casing (2), a rotator (4) disposed in the casing (2) in a manner that the rotator may rotate and move up and down, a biasing member (5) connected with the rotator (4) and the casing (2), and a covering member for covering over the casing (2). Fitments are provided on the lower end of the casing (2). The rotator (4) includes an inner periphery having an engaging portion (41) that can unrotatably mesh with the clamped member (n), and includes an outer periphery with a locking portion (42) which is unrotatably lockable to the casing (2). The rotator (4) locked to the casing (2) is engaged with the clamped member (n) to press the casing (2) downward.