Abstract: A raised access floor and method for modifying a raised access floor understructure construction uses a beam support bracket which allows additional support beams to be installed at any desired location within the mid-span of the adjacent stringer support beams of the respective quadrant sections within the raised access floor understructure. The bracket is capable of being mounted at any position along the length of a stringer support beam of a raised access floor quadrant section. This allows for great flexibility in available understructure modification schemes to allow appropriate modification for a wide variety of different sized obstructions installed within the raised access floor understructure.

Abstract: A connector for joining a corrosion-protection tube to an anchor of a tendon of a post-tension system including a body formed of an elastomeric material and a seal formed interior of the body. The body has a first receptacle formed at one end thereof for attachment to an end of the anchor. The body has a second receptacle formed at an opposite end thereof for attachment to an end of the corrosion-protection tube. The seal is positioned between the first receptacle and the second receptacle so as to form a liquid-tight seal with a surface of the tendon passing therethrough. The first receptacle is an orifice that has a diameter suitable for liquid-tight engagement with an end of the anchor. The second receptacle is an opening formed in the opposite end of the body and has a diameter suitable for liquid-tight engagement with an exterior surface of the corrosion-protection tube. The orifice and the opening are coaxial. The seal is a membrane which extends transverse to a longitudinal axis of the body.

Abstract: A mortar grout splice sleeve (1) for reinforcing bars has a tubular metal shell (2) formed in both end portions (3) thereof with opposite openings (4) through which reinforcing bars (15) are inserted, and an annular seal (10) mounted in each of the end portions (3). The shell is formed in an tubular portion of thereof with a grout port (5) through which mortar (16) is injected into the shell. The seal (10) has a central bore (17) to be slidably fitted on the reinforcing bar (15). The seal (10) has an external circumference (11) tapered toward the shell (2) for fitting engagement with an inward tapered internal circumference (9) formed in the end portion (3) of the shell (2).

Abstract: Methods and apparatus for making and assembling reliable mechanical rebar couplers so that a short upstand of rebar that protrudes from an existing concrete structure can be connected to a new rebar at a retrofit work site out in the field so as to provide a connection between a new and the existing structure. According to a first embodiment, one end of the protruding upstand is upset, and a threaded male coupling member surrounds the protruding upstand behind the upset end thereof. The threaded male coupling member is mated to a threaded female coupling member that is affixed to the new rebar such that the upset end of the upstand is retained between the male and female coupling members. According to a second embodiment, one end of each of the protruding upstand and the new rebar is upset, and a threaded male coupling member surrounds the protruding upstand and the new rebar behind the respective upset ends thereof.

Abstract: A coupler assembly for connecting first and second shafts in axial alignment comprises a first and second stop members attached to the shafts adjacent their respective ends; a cylindrical body; anti-rotation devices on the cylindrical body for preventing the first shaft from rotating with respect to the second shaft; first and second caps; and threads on the inside of the caps cooperative with threads on the cylindrical body for drawing the first and second shafts together. The coupler assembly is adjustable to compensate for differences in axial positioning of the shafts, such as due to bearing wear in a drive train, but upon installation prevents axial displacement of the shafts, as well as prevents relative rotation of the shafts.

Abstract: An elongated tubular metal body includes a longitudinally extending wedge portion having converging inner surfaces defining an included angle of about sixty degrees for receiving the end portions of concrete reinforcing bars. A series of longitudinally spaced holes are formed within the tubular body in opposing relation to the wedge portion, and a socket head set screw is threaded into each hole. The screws have conical pointed tips for penetrating a bar when the screws are tightened with a preset torque, and the screws force the outer ribs on the bar into the tubular body. A section of cylindrical seamless tubing of ductile steel is cold forged or deformed within a die set to form the tubular body with a generally diamond-shaped cross-sectional configuration, and longitudinally spaced and outwardly projecting ribs may be formed on the body.

Abstract: By the unique usage of non-symmetrical loops, a pop-up tent is configured to have high substantially vertical walls with a floor area only slightly larger than the walled-in area. Thus, a pop-up tent is provided which can be used for both living and sleeping purposes. A method of folding the tent into a flat circular shape for ease of storage and transportation is disclosed and claimed.

Abstract: Device for absorbing lateral forces generated as a result of a linearly reciprocating pin causing rotation of a scotch yoke, the device including a guide block guided along a guide rod, the guide block carrying a yoke engaging pin as well as having opposed connector-receiving cavities; connectors linking each cavity with opposed rod members, each connector having opposed curved surfaces and one or more flats intermediate adjacent such surfaces, the guide block positioning a plurality of annular members each having an arcuate surface slidably receiving one such curved surface, said block also including a locking device for engagement with each connector flat.

Abstract: An energy dissipating connector for coupling first and second rebar members together has a housing for receiving ends of the first and second rebar members, and a viscoelastic material disposed within the housing and interconnecting at least one of the rebar members with the housing. The viscoelastic material facilitates longitudinal movement of the first and second rebar members relative to one another in response to longitudinal tension and compression forces applied to the first and second rebar members.

Abstract: Two plate-like members are connected to each other by a connector for subsequent simultaneous feed thereof to, for example, a press. The connector includes a main body having two rectangular grooves, which have respective upper and lower walls and are open on opposite sides of the main body for receiving ends of the two respective plate-like members. A plurality of vertically movable pressure members and a plurality of locking screws are mounted on the main body to retain the ends of the two plate-like members within associated rectangular grooves.

Abstract: A noise and vibration dampening connector for a two-piece transmission shift lever assembly includes a lower shift lever member and an upper shift lever member which are connected together by the dampening connector. The upper end of the lower shift lever member is cylindrical in shape, having a flat formed thereon. The lower end of the upper shift lever member has a cylindrical knurled surface. The dampening connector includes a hollow cylindrical sleeve having an axial bore formed therethrough. The axial bore is stepped so as to form an internal shoulder which divides the sleeve into an upper portion and a lower portion. The upper portion of the sleeve has a relatively large internal diameter and a relatively thin wall thickness, while the lower portion of the sleeve has a relatively small internal diameter and a relatively thick wall thickness. A welch plug is seated on the internal shoulder, and a cup-shaped rubber isolator is seated on the welch plug.

Abstract: A motion transmitting rod (16), particularly for a gear box, has as a portion of its length an elastic filtering sleeve (11) engaged by its ends into two tubular extremities (17) of two rod parts of the rod (16) which rod parts are then connected to each other. The sleeve can be a rectangular cross-section bar (12) coated with an elastic coating (13). In addition, the bar (12) has at the union between the tubular extremities (17) of the rod at least one widening portion (18) which is also coated with the coating (13) and which is engaged into two notches (19) with shapes complementary of that of the widening portion (18) and provided at the end in the extremities (17).

Abstract: A spindle connector including a holder base having two rectangular mounting holes arranged at two opposite ends at right angles, two annular grooves spaced around the periphery, and two radial pin holes respectively made through the annular grooves for mounting a respective pin to hold a respective transmission shaft to the holder base; a transmission shaft having two opposite flat coupling portions at two opposite ends for fitting into one rectangular mounting hole on the holder base and two pin holes respectively arranged at the coupling portions at right angles for connection to one pin hole on the molder base; two binding rings respectively mounted around the annular grooves to hold a respective pin in each pin hole on the holder base; and a socket sleeved onto one end of the holder base and covered over the linked coupling portion of the transmission shaft for protection.

Abstract: A breakaway post coupling with a hollow, tubular sleeve which accomodates a ground-mounted stub post and a top, sign-supporting post. The sleeve is held onto the posts by a plurality of pins which engage a corresponding plurality of slots in the sleeve. Collars slidably engage the sleeve and force the pins into the post material as the collars are drawn over the sleeve and pins. A plurality of cutouts in the sleeve define a shear point in the coupling. When the top post is struck by a vehicle, the coupling breaks at the shear point, leaving an intact stub post upon which a new top post can be joined.

Abstract: A press fit joint shafting connection for hollow cylindrical steel shafts has shaft end faces provided with eccentrically arranged axial recesses wider than the main shaft bores. An annular toughened steel locking insert having an eccentrically arranged through bore is retained in the space formed by the eccentrically arranged bores when the shaft ends meet. The degree of eccentricity of the bore in the locking insert corresponds to that of the eccentrically arranged shaft recesses while the locking insert bore diameter corresponds to the diameter of the main shaft bores. The inner bores with free lumen are in alignment in a mounted state. A corresponding shafting method is also described.

Abstract: To facilitate the casting of stronger and more precise steel reinforced concrete members and also to facilitate the formation and field joining of such members there is provided a bar splice which comprises a generally cylindrical sleeve open at one end to form an axially elongated chamber to receive a steel reinforcing bar telescoped therein, and provided with internal threads at the other end whereby a threaded bar end may be secured to the other end, and when secured sealing the other end of the chamber. The threads are preferably tapered and the chamber includes inwardly extending axially spaced annular ribs. Lateral ports are provided at each end of the chamber. The wall thickness of the chamber adjacent the threaded end of the sleeve may be increased to improve tensile capabilities. The length of the chamber is most of the splice sleeve since the threaded connection occupies little axial space.

Abstract: An energy dissipating connector for coupling first and second structural members together has a first attachment member attachable to a first rebar member of the first structural member and a second attachment member attachable to a second rebar member of the second structural member such that the second attachment member is slidably connectable to the first attachment member whereby sliding of the second attachment member relative to the first attachment member permits relative motion of the first and second structural members and dissipates energy tending to cause such motion. The second attachment member is preferably slidably moveable relative to the first attachment member by approximately 1/4 inch in either direction and the second attachment member preferably moves relative to the first attachment member in response to force of at least 90,000 pounds. The first and second attachment members are preferably attachable to the first and second rebar portions via screw threads.

Abstract: An apparatus for mounting a sign support member to an existing, elongate first member. The apparatus has a sleeve defining first and second connecting portions, with the first connecting portion having structure for directly engaging the first connecting portion with an existing, elongate first member at least partially one within the other in an operative position. The second connecting portion includes structure for directly engaging the second connecting portion with a sign support member, one at least partially within the other in an operative position.

Abstract: In an apparatus for suspending from a quartz rotary shaft, a glass article to be heat treated in a heating furnace so as to support the glass article, a slot is provided for receiving a cylindrical projection formed at an upper end of the glass article, the slot has an elliptical cross section and is formed at a lower end of the rotary shaft. A pin hole for securing the glass article to the rotary shaft, which is formed on the rotary shaft along a minor axis of the slot; wherein a clearance between a peripheral surface of the slot and that of the cylindrical projection along the minor axis of the slot is set to not more than 0.2 mm, while a clearance between the peripheral surface of the slot and that of the cylindrical projection along a major axis of the slot is set to not less than 0.4 mm. An apparatus for supporting a glass article including first and second dummy rods and a coupling member is also provided.

Abstract: A high dynamic strength or fatigue resistance is achieved in a taper thread reinforcing bar splice for use in steel reinforced concrete by coordinating the elongations of the coupler sleeve and bar to achieve the required movements of the coupler sleeve at the mouth. This is accomplished in the preferred embodiment by two attenuation grooves on the outside of a circular cylindrical coupler body at each end, each groove being placed in a particular axial relationship with respect to the end of the coupler sleeve and the area of thread engagement with the bar. The grooves are of different depths, with the groove closest to the mouth of the coupler sleeve being the deepest. Also the diameter of the circular cylindrical coupler body at each end is selected so that the wall thickness at the mouth is as thin as possible. At the center of the coupler sleeve there is an enlarged portion extending axially several threads beyond the last thread of each bar joined.

Abstract: A coupler for use in swivably independently securing the remote ends of a monofilament or wire, which wire is constantly in a cantilever bending motion at its remote end when folded and necessitates a freedom of rotation. The connector itself has a preferably cylindrical body having two tapered elongate nesting pockets which are separated from each other by an interior stop at the mid-portion of the connector cylindrical body. The elongate pockets are characterized by a taper which is dimensioned to receive and friction fittingly engage the remote ends of a wire or monofilament a spaced distance from the central stop of the connector cylindrical body.

Abstract: Cojoined collet has a center housing with opposing central orifices, each central orifice capable of receiving an externally positioned shaft, and further having a fastener about each opposing orifice, wherein the externally positioned shaft is releasably connectable on a common axis of rotation through the opposing central orifices and can be held fast by the fastener about the central orifice which receives the externally positioned shaft, and it is finely balanced about its intended axis of rotation. It may be coupled in series with a shaft, which may be rigid or flexible, and be embodied for employment in rotating devices, for an example, such as the high-speed simulator-viscometer of U.S. Pat. No. 4,445,365.

Abstract: A compound shift lever mechanism employs a noise and vibration damper assembly for isolating an upper shift lever from a lower shift lever of a transmission. In a preferred form, the levers are held in spaced, coaxial alignment for unitary movement in a plurality of planes by a damper which comprises two parts. The first part is a cylindrical elastomeric sleeve defining axially spaced female end portions comprising bores which frictionally overlie and snugly encase the two lever end portions which extend thereinto. The second part is a cylindrical metallic shell which circumferentially encapsulates the elastomeric sleeve which contains the respective ends of the upper and lower levers. The shell thus radially encapsulates both of the end portions, as well as the sleeve, which incorporates a midportion containing a radial internal barrier to prevent direct physical contact between the extremities of the levers.

Abstract: A mechanical connection for concrete reinforcing rods has a connecting sleeve and a reinforcing rods having protuberances (e.g., ribs or fins) on their outer surfaces. Each of the reinforcing rods has a threaded end for connection with the connecting sleeve, which has tapped portions for receiving the reinforcing rods. In one embodiment, a first end of a first reinforcing rod is passed completely through the sleeve, and the sleeve is then rotated about the end while simultaneously being screwed onto a second end of a second reinforcing rod. Upon tightening the connecting sleeve, the ends of the first and second reinforcing rods are placed in substantially coaxial, end-to-end arrangement, and are rotationally immobile. In a preferred embodiment, the connecting sleeve comprises a sheath having a conical bore, together with a conical socket in the form of two shell halves, which, when place together, provide two internal tapped portions having opposing threads.

Abstract: An energy dissipating connector for coupling first and second structural members together has a first attachment member attachable to a first rebar member of the first structural member and a second attachment member attachable to a second rebar member of the second structural member such that the second attachment member is slidably connectable to the first attachment member whereby sliding of the second attachment member relative to the first attachment member permits relative motion of the first and second structural members and dissipates energy tending to cause such motion. The second attachment member is preferably slidably moveable relative to the first attachment member by approximately 1/4 inch in either direction and the second attachment member preferably moves relative to the first attachment member in response to force of at least 90,000 pounds. The first and second attachment members are preferably attachable to the first and second rebar portions via screw threads.

Abstract: A U-shaped connector bracket connects an end of a first tubular frame member to a second frame member having two opposite sides and a pair of elongate recesses respectively located in and extending along the two opposite sides. The connector bracket has a pair of side arms, an end member extending between a first end of each side arm at a dependent end of the bracket, and projections at a second end of each side arm that are directed inwardly towards one another. The dependent end of the connector bracket is adapted for insertion within the end of the first tubular frame member. The projections from the side arms secure the connector bracket to the opposite sides of the second frame member by being located within a respective recess of the second frame member.

Abstract: A tent frame permits the roof and walls to be separately established, with consequent ease of erection.

Abstract: A splice sleeve for connecting reinforcing bars in a concrete structure or the like to another entity with the sleeve being rigidly affixed to the reinforcing bar and provided with an anchor structure for anchoring the sleeve to another entity. In one embodiment, the sleeve is frustro-conical and provided with internal rings of equal height having an inner diameter which decreases toward the outer end. In another embodiment, the sleeve is cylindrical with internal rings of unequal height which have an inner diameter that decrease toward the end of the sleeve receiving the reinforcing bar. Hardenable grouting is used between the sleeve and reinforcing bar to positively lock the reinforcing bar, grouting and sleeve together thereby providing a rigid connection between the concrete structure in which the reinforcing bar is incorporated as well as the sleeve and associated anchor structure to another entity.

Abstract: A retainer assembly for retaining cords, strings or the like in position comprises a cylindrical tube having holes, a resilient locking means mounted in the tube and a pair of end taps and having a through bore. The locking means has arcuately inwardly bent upper and lower wing members defining therebetween slits. The end taps each have an arrow-headed portion adapted to be received through and locked inside of the slit of the locking means and a tapered portion resiliently engageable in the slit and movable between the upper and lower wing members to bring the bore into and out of registry with the holes.

Abstract: A torque transmission shaft assembly for connecting a drive shaft and driven shaft which are mutually spaced less than the length of the assembly. The assembly includes a rigid elongated hollow rod member having a body portion and first and second open end portions. Each end portion is adapted to receive either the drive or driven shafts, and is provided with internal involute splines for mating with corresponding external splines on the shafts to be connected by the assembly. The first end portion has an axially displaceable stop member and a biasing spring compressible by displacement of the stop member away from the open first end, for biasing the stop member against the shaft received in the first end portion. The second end portion has a rigid stop at the end of its internal splines, for abutting against the end of the shaft receivable therein.

Abstract: The invention relates to a method for producing mechanical joints of concrete-reinforcing rods, to a reinforcing rod allowing the application of the method as well as to a mechanical joint for reinforcing rods thus produced. It has its applications especially in the construction of concrete elements, buildings or structures.According to the invention, the method for producing the mechanical joints for the reinforcing rods which allow the joining of reinforcing rods, the extremities of which are threaded by screwed connecting sleeves, is characterized in that prior to the threading, the extremity of the rods to be joined is subjected to a cold upsetting procedure.

Abstract: A swivel for coupling a fishing line to a lure and having a body from opposite ends of which extend rotatable connectors respectively adapted for removable connection to the line and the lure. The body has a cavity between its ends into which the connectors extend and each connector is supported in a removable journal in latching engagement with the body. Each connector is separably secured to a retainer which restrains axial movement of the connector.

Abstract: The invention is a connector to join structural members.In particular, the invention is a connector to assemble and join structural members where the members can be formed from dissimilar materials; for example, an aluminum plate joined by the connector to a steel plate. The connector can be formed in part or in whole from a shape memory metal that exhibits dimensional change upon assembly to complete the joint.

Abstract: A pipe bell or fitting socket is disclosed which includes an enlarged socket defining an interior, gasket receiving pocket. The enlarged socket terminates endwardly in a front socket terminus and interiorly in an interior terminus. An integral, outwardly extending, reinforcing ring projects radially outwardly from the outer periphery of the socket and provides increased body for socket strengthening purposes. The reinforcing ring may be medially positioned on the socket, may be endwardly positioned on the socket or may be otherwise positioned as best suited for the purposes of use. The reinforcing ring may be of any desired cross-sectional configuration, for example, square, triangular, rectangular or other cross-section.

Abstract: An electrical connector which is adapted to join two or more wires together and comprises a pair of hollow cylinders joined together and disposed such that one end portion of each cylindrical is free to be bent back upon itself after a wire is inserted therein to make good contact between the cylinder and the wire.

Abstract: A position coupler for connecting reinforcing bar in concrete construction where neither bar is able to rotate either conveniently or not at all includes a sleeve at least a portion of which is internally cylindrically threaded and which receives at least one split collar insert. The insert has external cylindrical threads which match the internal cylindrical threads of the sleeve and also has internal tapered threads which match the tapered external threads on the bars to be joined. The inserts, in addition to being longitudinally split are provided with either a transverse slot or a hex head on their outer ends to receive a wrench. When a transverse slot is provided a spanner wrench may be inserted between the bar and sleeve. The tightening of the insert creates a wedge action which hoop stresses the sleeve locking the parts together and reduces slippage. The insert may be locked anywhere along the interior of the cylindrical thread portion of the sleeve to connect bars at different axial spacings.

Abstract: A releasable connection for tubular metal sliding rods with ends in a textile machine includes at least one pressureproof insert filling the rod ends. A metal clamping socket fits flush over the rod ends for transmitting force. The metal clamping socket has releasable clamping screws holding the rod ends in slide-free contact with the at least one insert and the clamping socket under changing loads.

Abstract: A pointer bushing for securing an indicating element to an output shaft of an indicating instrument includes a base for spacing the pointer above the instrument face, a collar for connecting the base to the indicating element, and an S-shaped shaft gripping section for connecting the base to the output shaft. The output shaft connection includes a pair of posts which depend axially from the base, a reversely bent wing which extends from each arm, and a shaft gripping member forming the end of wing, the gripping members being in confronting relation to form a generally cylindrical, axially extending, radially expansible, socket for gripping the shaft whereby to fixedly hold the output shaft against relative rotative as well as axial movement.

Abstract: An engine cooling system, structure therefor and methods of making the same are provided, the system comprising a housing having an inlet and an outlet, and a thermostat construction disposed in the housing between the inlet and the outlet for controlling the degree of fluid flow therebetween, the thermostat construction comprising a valve seat unit, a valve closure unit for opening and closing the valve seat unit, a spring operatively interconnected to the valve closure unit to tend to close the same against the valve seat unit, and a temperature responsive device comprising a piston member and a cylinder member that are adapted to provide relative movement therebetween when the device senses certain temperatures, one of the members being interconnected to the valve closure unit to move the same in unison therewith in opposition to the force of the spring when the other of the members is fixed from movement relative to the housing, and a movable stop carried by the housing and having a plurality of different

Abstract: A noise and vibration damper for a shift lever assembly in a manually operable vehicle transmission is disclosed. The damper includes a hollow cylindrical housing having upper and lower pairs of aligned, transversely extending apertures. The upper end of a lower shift lever member extends upwardly into housing, while the lower end of an upper shift lever member extends downwardly into the housing. A transversely extending pin extends through apertures formed in the ends of each of the shift lever members and through their respective pair of apertures to secure the shift lever members to the housing. The ends of the pins are supported within the apertures by nylon bushings. The ends of the upper and lower shift lever members are spaced apart from one another and from the damper housing by a hollow cylindrical sleeve of vibration dampening material, such as polyurethane.

Abstract: A locking bar for blocking relative movement of movable parts of a device, particularly providing anti-theft nature to devices such as wheelchairs which would probably be manipulated to a collapsed condition as an incident to a theft of the device; and anti-theft nature is especially provided by the locking bar made to appear to be merely a non-removable axle, yet made shortenable for removal, and thus chair-collapsability by authorized personnel, by an internal sliding operativity which is concealed but which achieves length-changing be engagement of screw-threaded parts to permit manual torque-application to movable parts to achieve the length-changing, the sliding member being a socket whose sliding into or from its length-changed position is effected merely by tilting to achieve positioning by gravity.

Abstract: A lay shaft repair kit and a method for its use is set forth wherein a lay shaft is utilized in a fuel injector control linkage and provides for the removal of a forward portion of the shaft, its replacement, and its splicing to the original lay shaft portion utilizing a rectangular parallelepiped splicing block formed with a through-extending cylindrical bore therethrough offset relative to the forward and rear end walls of the block. A slot is directed diametrically aligned and medially through the right side wall of the block. A series of threaded apertures are aligned orthogonally through the slot to effect a pinching of the slot about the original and replacement shaft portions. The original and replacement shaft portions are formed with through-extending bores and aligned with through-extending block bores to receive interlocking pins therethrough to secure the shaft portions to the splicing block to effect a repair of the lay shaft.

Abstract: An ornamental ceramic fitting is mounted between two spaced, confronting, axially aligned, tubular members. The distance between the confronting ends of the tubular members is less than the corresponding axial length of the ceramic fitting. The ceramic fitting includes a threaded rod extending therethrough along the axis thereof and a well in each end of the fitting surrounding the threaded rod. The depth of the well in one end exceeds the difference between the axial length of the fitting and the corresponding axial distance between the confronting ends of the tubular members. The fitting is first placed on the end of one of the spaced tubular members and twisted to a position past the normal seated position. This allows proper alignment of the end of the other tubular member, whereupon the fitting is twisted in the opposite direction to properly complete the mounting operation.

Abstract: Molecular modeling constituents having plug ends are joined by a coupling having a connective sleeve and a locking sleeve. The connective sleeve receives a plug in a bore at each end thereof. Radially deflectable staves of the connective sleeve have ridges on the inside surface thereof for engaging corresponding annular grooves about the circumference of the plugs. A locking sleeve fits over the connective sleeve and allows outward radial deflection of the staves in an OPEN position for insertion/extraction of plugs into/from the coupling, and inhibits radial deflection of the staves in a lock position to prohibit insertion/extraction of plugs into/from the coupling. The OPEN and LOCK positions are relative rotational positions of the connective sleeve and locking sleeve.

Abstract: Quick action fasteners, nuts, and end-to-end couplers, which eliminate the need for time-consuming and labor-intensive threading of nuts, couplers, and the like to helically threaded reinforcing rod and sections thereof and to other types of textured surface reinforcing rod, particularly in environments in which the fastener will be subjected to high loads and/or torques. Fasteners according to the invention include a housing, a plurality of nut segments, and an end cap for retaining the nut segments in a specially shaped bore defined in the housing. The bore includes a tapered section and an expansion section; the nut segments are formed, along interior segment surfaces, to be closely engageable to a corresponding section of the reinforcing rod. The nut segments are also shaped, along their exterior surfaces, to be congruent with tapered section of the bore.

Abstract: A handle assembly includes an open-ended sleeve connectable to a valve stem by a screw inserted and removed through the open end. A removable thimble has a lateral opening which aligns with a lateral opening in the sleeve. A handle member is held intact to the thimble and sleeve by an internal threaded connection. In one embodiment, the internal connection is provided by threads of two handle members and the thimble. In another embodiment, a screw extends from one handle member for connection with the other with the head housed in a cavity which is covered by a cap. The handle assembly can also be provided with decorative rings positioned between the handle members and the thimble. In a preferred embodiment, the threaded engagement with the thimble is afforded by a first cross member inside the thimble and a second cross member represented by a handle member covering the thimble opening.

Abstract: A conductive metal coupling sleeve harder and springier than the conductor and connector to be joined is interposed between them. The sleeve having patterned inside and outside surfaces is placed over the conductor end and the conductor-sleeve combination is inserted into the bore of the desired connector and subjected to compressing forces to crimp the components together. The patterns of the sleeve interlock with the conductor and the walls that define the connector bore. The springiness of the sleeve insures good electrical conductivity between the components in the event there is some springback of the components upon the termination of assembly compression or creep during use.

Abstract: A mirror is mounted to a rotatable shaft by means of an adapter with a tubular end section and a slot at the other end. An end of the shaft is inserted into this tubular section an a protruding part of the mirror is centrally inserted in the slot. The external surface of the tubular section is tapered which matches the tapered inner surface of a clamp ring disposed around the adapter. By pressing the clamp ring longitudinally, the tubular section of the adapter becomes fastened around the shaft.

Abstract: Quick action fasteners, nuts, and end-to-end couplers, which eliminate the need for time-consuming and labor-intensive threading of nuts, couplers, and the like to helically threaded reinforcing rod and sections thereof and to other types of textured surface reinforcing rod, particularly in environments in which the fastener will be subjected to high loads and/or torques. Fasteners according to the invention include a housing, a plurality of nut segments, and an end cap for retaining the nut segments in a specially shaped bore defined in the housing. The bore includes a tapered section and an expansion section; the nut segments are formed, along interior segment surfaces, to be closely engageable to a corresponding section of the reinforcing rod. The nut segments are also shaped, along their exterior surfaces, to be congruent with tapered section of the bore.

Abstract: A mounting apparatus for a cycle headlamp, particularly for a bicycle headlamp, features a mounting bracket (13) which can clamp onto a horizontally disposed strut of the cycle frame or of a cycle accessory, such as a baggage carrier.The cycle headlamp has a reflector housing (9) which is rotatably coupled to the upper end of the mounting bracket (13). The lower end (14) of the mounting bracket is bifurcated into upper (15) and lower (16) legs or jaws, which define a bight or maw (18) having an interior clamping surface (17) which is preferably half-cylindrical but may also be polygonal. A further clamping element (24, 25) is supported by the jaws (15, 16) and presses the strut (7) between itself and the clamping surface (17). This mounting is very secure and resists twisting torques.