Abstract: A torque enhancement device having torque enhancement member(s) with each having an exterior (preferably bi-symmetric or essentially bi-symmetric) surface configuration with parallel, longer side walls extending in a Y-axis direction and shorter side walls extending in an X-axis direction and corner recesses positioned between ends of adjacent longer and shorter side walls, and with some embodiments of the invention featuring a torque enhancement device having a hole extending in a Z-axis direction. A fastener assembly is also provided that includes one or more torque enhancement devices as well as methods for utilization of the torque enhancement device or utilization or assemblage of an assembly including a torque enhancement device.

Abstract: An assembly including horological movement support, a motor plate of a timepiece and a fastener fastening the support to the plate. The fastener includes a self-tapping screw having a body that passes through a hole in the support. A recess in the plate or support is tapped when the screw is screwed into the recess. The shape of the recess has a variable width, which is wider at the opening extending to a smaller diameter at the bottom of the recess, the shape corresponding to that of the body of the screw.

Abstract: A thermal concrete wing nut anchor includes a screw having an external thread, and a wing nut mounted on the screw. The screw has a first end provided with an enlarged stop flange, and a second end provided with a drilling tip. The stop flange is provided with a driving head. The wing nut is made of a metal sheet plate which is formed integrally by pressing. The wing nut has a middle provided with a first ear and at least one second ear. The wing nut has an internal thread extending through the first ear and the at least one second ear. The external thread of the screw is screwed through the internal thread of the wing nut.

Abstract: A coupling device, for the rotary coupling of a pivot shaft of a flap diaphragm of an exhaust gas flap with a drive element, includes at least one coupling element (36) with a first coupling area (40) configured for coupling to the pivot shaft (18), with a second coupling area (42) configured for coupling to the drive element (34) and with at least one connection area (52, 58) connecting the first coupling area (40) to the second coupling area (42). In the coupled state, the first coupling area (40) and the second coupling area (42) are prestressed in a direction towards one another or in a direction away from one another. The at least one coupling element (36) is formed with sheet material.

Abstract: The fastening is performed by using the fastening bolt of the conventional mass-produced car, the fastening method capable of obtaining “Resonance frequency” of the aimed body and the sub frame rigid collar for car used for the fastening method, are provided by the tightening work with the conventional specified torque, and only by simple work of interposing the sub frame rigid collar for car, without need the work of any special processing.

Abstract: A fastener assembly including a retention and alignment element used in combination with a first component having a cylindrical wall defining a bore and a second component having an elongated shaft for insertion into the bore of the first component. The retention and alignment element comprises a plurality of elongated polymeric protuberances, each having (i) a base fixed to the cylindrical wall of the first component, (ii) a height sufficient so that together the free ends of the protuberances define a passageway that creates an interference fit with the shaft of the second component, and (iii) a length sufficient to maintain the shaft of the second component generally collinear with the axis of the bore of the first component.

Abstract: A flat plate is used to cover a mounting hole in a masonry wall face and is held in place by a set of wire hooks. The hooks are able to slide into holes in the plate and catch onto the interior surface of the wall in order to hold a clearance hole in the plate concentrically with respect to the mounting hole. An anchor bolt is supported at the center of the mounting hole by the clearance hole in the plate while grout is poured into the masonry blocks thereby assuring that the bolt is positioned properly in accordance with building code.

Abstract: A pierced earring includes a pin member provided midway thereof with an engaging groove, and a nut including a cylindrical fastener body having therein a split groove or slit extending in the direction of the length thereof, an engaging ridge formed on an inner peripheral surface thereof and a guide part tapering at one end of the fastener body. Intimate union between the engaging ridge of the cylindrical fastener body and the engaging groove of the pin member is attained by insertion of the pin member through the guide part into the cylindrical fastener body.

Abstract: A device for engagement with a threaded post or stud, including a housing having a generally cylindrical axial bore with a top side and a bottom side for engagement with the stud from either the top or bottom sides. The stud engaging member includes a plurality of flexible tangs and can further include an integrally formed cable tie for securing a bundle of wires to the threaded stud.

Abstract: A fluid coupling bracket adaptable for snap-on engagement with a coupling base. The fluid coupling bracket has tabs that engage with an annular groove of the fluid coupling base, and a plurality of teeth that set against radially extending ledges protruding from the external surfaces of the base and adjacent to the annular groove. The bracket has an extending flange portion having various size U-shaped recesses for fixing the bracket in supporting relationship with the fluid line.

Abstract: An intermediate retainer (20) for a motion transmitting remote control assembly (10) of the type for transmitting motion along a curved path includes a cylindrical sleeve (24) freely slidably surrounding a conduit (12). A cylindrical socket (26) extends perpendicularly from the sleeve (24) and includes eight elongated and resiliently deformable internal ribs (42, 44) which extend at alternating angles about an inner wall (34) of the socket (26) . The socket (26) is pressed over an extending threaded shaft (22), such as found in the engine compartment of a motor vehicle, so that the ribs (42, 44) are deformed over and tenaciously grip about the threads on the shaft (22) to help hold the conduit (12) in a routed path.

Abstract: A fastening device is provided which is a variation on the conventional nut and bolt. The bolt has a longitudinal axis and threading helically affixed thereon along the longitudinal axis. A nut having a bore extending therethrough is provided. The bore of the nut has a greater diameter than the diameter of the bolt so the bolt can extend through the bore. An array of wire bristles are affixed within the bore so as to form a brush. The wire bristles extend inwardly from the bore and are constructed and arranged of the correct size, length and stiffness to guide the bolt within the bore and to restrain the bolt within the bore as required. A variety of applications of the wire brush nut are disclosed, including a bolt capture device and a test rig apparatus.

Abstract: A combined retainer clip and shaft for axially fastening a mechanical element to the shaft includes a shaft being hardened to a predetermined hardness. The retainer clip is formed of an annular body with a frusto-conical annulus surrounding a generally central aperture and hardened to a hardness higher than the hardness of the shaft. The retainer clip is mounted on the shaft at a predetermined position to fixedly mount the mechanical element on the shaft. In one embodiment, a plurality of notches are circumferentially spaced about the portion of the annulus surrounding the aperture in the body to form a discontinuous shaft engaging surface.

Abstract: The invention relates to a metal plate (10) with a screw bore (16) starting at one narrow side of the plate and running parallel to the plate surfaces (10a,b), which screw bore (16) is formed in a simple manner in that first recesses, for example through holes (11), are provided and subsequently the metal portions (13) formed between the recesses (11) are alternately stamped in the direction of the one and the other plate surface (10a, 10b), such that the outer surfaces (14a, 15a) of the stamped parts lie flush with the relevant plate surfaces (10a, 10b).

Abstract: An arrangement for mounting an ignition coil on the cylinder head of internal combustion engines. Threaded bolts extend from the cylinder head. The thread having a substantially saw tooth cross section with the thread flank facing away from the cylinder head at an acute angle and the thread flank head oriented substantially normal to the axis of the bolt. The ignition coil, which for this purpose is provided with a bore, may be slipped onto the bolt and a fastener provided with a resiliently expansible locking member may thereafter be slipped onto the bolt.

Abstract: An apparatus for joining flanged, abutting duct ends or for reinforcing ducts comprises an elongated coupling member including a V-shaped portion made up of two slanting walls approaching an apex and having lower portions spaced apart a given distance. It also includes inwardly turned edges on the slanting walls spaced from the apex, extensions of the slanting walls diverging from one another as the slanting walls approach the apex extending from the slanting walls a distance about equal to the given distance, and a joining portion extending from the extensions doubling back over the apex. The extensions and the joining portions have substantial parallel segments with a curved connection between the parallel segments. The edges, slanting walls, extensions and joining portion being integrally formed of sheet metal.

Abstract: A reinforced duct includes a duct section having a peripheral skin of sheet metal, a plurality of lengths of metal straps, each strap being configured to have a cross section including a V-shape portion and inwardly turned edges spaced from the apex of the V to form a gap between the edges. The straps circumscribe the duct with the apices of the V-shapes away from the peripheral skin. A plurality of screws driven outwardly through the peripheral skin into the gaps in the circumscribing straps and engage the inwardly turned edges to bind the skin to the straps so that the straps reinforce the skin to prevent excessive flexure of the skin.

Abstract: A pushnut fastener for engagement on a cylindrical stud and particularly suited for conveying to the point of use through automatic feed systems comprises a metal body of relatively thin, uniform thickness having oppositely facing first and second exterior surfaces and a circular radial outer marginal periphery. A central opening extends axially through the body between the oppositely facing exterior surfaces and defines a generally circular inner marginal periphery having resilient finger-like engagement portions for engaging and gripping the exterior of the cylindrical stud. The finger-like engagement portions are inclined to extend laterally of the body outwardly of the first exterior surface a maximum distance of d.

Abstract: Ornamental lug nut covers, protecting the a vehicle lug nut and threads are formed with a outwardly extending flanges with edges folded over to capture the rims of retainer rings having inward facing tabs that butt and lock against the surfaces of lug nuts. The flange may be used to secure vehicle wheel covers having oversize mounting holes that can fit around the outside of the nut so that only the flange and not the lug nut secures the wheel cover.

Abstract: An elastic connector for holding mechanical parts firmly includes a base to accomodate an S-shaped spring piece and one unit of symmetrical steel sheets. On the upper direction of the base a supporting member is set to support the revolving of the control member, of which the two control rods are inserted into the S-shaped spring piece, while two fixing rods keep the steel sheets in a U-shaped condition. The upper direction of the control member is sealed by a lid which is fixed by a pair of rivets, only leaving a handle on the upper direction of the lid for operation purpose. When a spanner is sleeved onto the handle to revolve the control member, the two control rods of which will sandwich the two end plates of the S-shaped spring piece and drive them to move outward to enable the three holes to be arranged in a slanting formation, so as to produce a tightly squeezing function when passing through the outer wall of the rod member of the S-shaped spring piece, so as to hold the two firmly together.

Abstract: A fastener with components locked to a fastener shank by tapered inserts disposed about a tapered segment of the shank. The attached components include an internal frusto-conical wall having a taper corresponding to the tapered inserts. Both the head as well as the threads of a fastener may be affixed to a common shaft.

Abstract: The disclosed invention comprises a molded plastic holding device 10 having an axially extending inner space 11 to receive a profiled bolt, especially a sawtooth bolt. The inner space 11 has a plurality of guide stays OR ribs 3 distributed about its circumference and running in the axial direction to engage the bolt in the lengthwise direction. There is also arranged in the inner space 11 at a location prior to the guide stays 3, in the push-in direction A of the bolt, a profile guide zone 1 with spring finger elements 2. The profiled guide zone 1 is defined by radially resilient and deflectable corrugated shell parts (13 to 18) which carry the spring finger elements 2.

Abstract: An improved, thin walled fastener for retaining studs, rods, or the like is provided. The fastener is of the push-on type comprising a one-piece, generally thin, stamped sheet metal resilient body defining a generally centrally located stud retaining aperture for receipt and retention of studs, rods or the like. The body is preferably generally frusto-conical or dome shaped in cross section. The fastener is formed by punching or shearing a hole in a blank and then forming a generally dome shaped impression in the blank, the impression being generally coaxial with the axis of the punched hole. The required transverse extensions of the body are minimized by the utilization of the relatively smooth continuous edge of the punched hole rather than the burred edge of a punched hole as the stud retaining edge of the fastener stud retaining aperture.

Abstract: A fastening assembly comprises a first internally open member such as a collar, and a second internally open member such as a bifurcated plug which is slidable realative to the collar to an assembled position in which the plug is located at least partially within the collar, at least one protrusion provided between the collar and the plug causing the plug to be deformed when in said assembled position, so as to create at least one inwardly directed jaw or fang for use in fastening engagement with a workpiece such as an externally threaded stud located at least partially within the plug, the advantage being that the amount of driving force which is transmitted in the driving direction to the stud through means of the fastening assembly can be minimized, so that the fastening assembly can have a knock-on/screw-off capability even if the stud is resiliently mounted on compressible foamed material.

Abstract: A push-on type fastener (40) is provided for securing a cylindrical member such as a stud shank to an object. Fastener (40) includes generally axially aligned entrance opening (4) and exit aperture (6) surrounded by a resilient hollow projection (2) having a circumferentially continuous side wall. Aperture (6) is a non-circular opening defined between at least two retaining edges of projection (2) that are operative to provide engagement with the cylindrical member enabling the member to slide axially through exit aperture (6) from entrance opening (4) but inhibit movement in the opposite direction and which respectively include warped arcuate sections (3) adjacent the intersection between the respective extermities thereof that are operative to provide a stiffener for the retaining edges for smaller shank diameters and to stretch and prevent the retaining edges for splitting for larger shank diameters.

Abstract: A hinge mounting plate on which a hinge arm is fastenable is adjustable in one direction and fastenable to a furniture part, for example a furniture side wall, by means of fastening screws extending through elongated holes in the mounting plate. In each elongated hole is provided two flaps projecting from the rim of the hole having free front faces pivotally holding the respective fastening screw. The fastening screws have countersunk heads, and when the fastening screws are inserted the countersunk heads press the flaps away from the screw cores.

Abstract: A quick-action fastener for connecting two plates (III) and (IV) with a resilient gasket (V) interposed therebetween, all three being perforated by a throughgoing hole, comprises a bolt (I) passing through this hole and engaging with a bore (24) in a socket (II) which is rigidly fastened to the plate (III). A helical groove (14) is cut into the end of the bolt, which has a lead angle not exceeding 15.degree., and which engages with a protrusion (42) inwardly projecting from the bore (24) of the socket. Friction between the protrusion (42) and the wall of the helical groove (14) is strong enough to hold the bolt in position and to clamp the two plates together, owing to the tension of the resilient gasket.