Abstract: An assembly for coupling a track with a base extrusion via a support extrusion and a wedge assembly. A double-edged support extrusion for coupling a track with a guide wheel via a wedge assembly according to some embodiments of the invention. Methods for assembling an assembly for coupling a track with a base extrusion via a support extrusion and a wedge assembly and a double-edged support extrusion for coupling a track with a guide wheel via a wedge assembly.

Abstract: A mounting assembly includes a chassis for receiving electronic components. First and second wedge members are coupled to a base panel of the chassis and each include an angled surface oriented towards a common direction. A mounting plate is adapted to be secured to a supporting surface, including first and second wedge receiving elements including complementary angled surfaces adapted to receive to the angled surfaces of the first and second wedge members. An intermediate member couples the first and second wedge receiving elements to maintain a fixed distance therebetween, and clamping structure is accessible from at least one face panel. The clamping structure is adapted to move the first and second wedge members towards the respective first and second wedge receiving elements such that engagement of the respective angled surfaces with the respective complementary angled surfaces applies a clamping force to the first and second wedge members.

Abstract: An air-directing component (10) of a motor vehicle has an installation surface (18) that bears against an outer side (20) of the front end (12) of the motor vehicle. Hook-shaped projections (14.1, 14.2) protrude from the installation surface (18) and have dimensions which are matched to dimensions of the recesses (16.1, 16.2) in the front end (12) in such a manner that be pushed into recesses (16.1, 16.2) of a body front end (12) of the motor vehicle. Each projection (14.1, 14.2) reaches through the recess (16.1, 16.2) and engages behind an edge (26) of the recess (16.1, 16.2) on an inner side (28) of the front end (12). The shape and arrangement of the projections (14.1, 14.2) permit the projections (14.1, 14.2) to be pushed transversely with respect to a longitudinal axis of the motor vehicle into the recesses (16.1, 16.2).

Abstract: A locking assembly for retaining a wear member to excavating equipment has a locking element that is received into an opening in the assembly and is movable about a pivot axis in the opening between a hold position and a release position. The locking element has an outer edge that is generally opposite the pivot axis that opposes a base surface of the opening when the locking element is in the hold position. The outer edge is configured to pull away from the base surface when the locking element is rotated from the hold position toward the release position.

Abstract: A composite structure adopted in composite closet, cabinet, combination house, mechanical assembly, wooden interior decoration or other composite furniture is provided. The composite structure includes a first board and a second board. The first board contains at least one male fitting, wherein said male fitting has a fitting head and a locking pin thereof and the radius of said fitting head is larger than the radius of said locking pin. The second board contains at least one groove on the lateral. Said groove has a wedge therein and said wedge has a mounting extending a fork thereon. Said fork has a slot with width smaller than the radius of said fitting head. Wherein said locking pin is located in said slot and then said fitting head is clipped by said fork and a groove base if said male fitting and said wedge is fastened.

Abstract: A sheathing-retaining article for use with a post-tension anchorage system has a wedge with a tendon-retaining portion and a sheathing-retaining portion. The tendon-retaining portion has a channel extending longitudinally therealong. The channel is suitable for retaining the tendon therein. The tendon-retaining portion has a tapering outer surface with a wide end at one end of the wedge and a narrow end spaced therefrom. The sheathing-retaining portion extends outwardly from the narrow end of the tendon-retaining portion. The sheathing-retaining portion engages a sheathing of a tendon extending through the channel of the wedge.

Abstract: An apparatus for fixing the sheathing of an end of a tendon within an anchor body of a post-tension anchor system has an anchor body with a cavity formed therein, a tendon extending into the cavity, a fixing element engaged with the sheathing of the tendon for fixing a position of the sheathing on the tendon, and a pair of wedges in engagement with the unsheathed portion of tendon within the anchor body. The fixing element is positioned within the cavity. The fixing element can either be a wedge member interposed between the sheathing and the tendon so as to frictionally engage the tendon or a clip member engaged with the sheathing.

Abstract: An apparatus for fixing the sheathing of an end of a tendon within an anchor body of a post-tension anchor system has an anchor body having a cavity formed in an interior thereof, a tendon extending into the cavity and having a sheathing extending at least partially thereover and having a sheathed portion and an unsheathed portion, a pair of wedges engaged with the unsheathed portion of the tendon in the cavity of the anchor body, and a wedge member engaged with the sheathing of the sheathed portion. The wedge member is a unitary piece having a longitudinal split extending from an end of the piece to an opposite end of the piece. The wedge member substantially encircles an interior or an exterior of the sheathing of the sheathed portion of the tendon.

Abstract: In a frictional rotary connector having a tapered ring arrangement (3) to be placed onto a shaft and having at least one tapered ring section (e.g. 4a) with an inner surface for abutting the shaft, and with an oblique outer surface (e.g. 5a), at least one tensioning ring element (e.g. 6a) with an oblique inner surface, which element slides between a starting position and a clamping position on the oblique outer surface (e.g. 5a) of the tapered ring section (e.g. 4a), and a tensioning ring for moving the tensioning ring element (e.g. 6a) in order to lock the tensioning ring element (e.g. 6a) in the clamping position at least one retaining element (8) is provided which is arranged to be guided in a radial direction from a free position to a clamping position, wherein the retaining element (8) axially locks the tensioning ring element (e.g. 6a) in the clamping position.

Abstract: An apparatus for preventing shrinkage of a sheathing of a tendon has an anchor body having a cavity formed in an interior thereof, a tendon extending into the cavity, a fixing element engaged with the sheathing for fixing a position of the sheathed portion on the tendon, and a pair of wedges in engagement with the unsheathed portion of tendon in the cavity of the anchor body. The fixing element is positioned away from the cavity of the anchor body. An encapsulation is formed over the anchor body so as to define a trumpet extending outwardly from one side of the anchor body. A clamp is engaged with the sheathed portion of the tendon within the trumpet.

Abstract: A device for fixing the sheathing of an end of a tendon within an anchor body of a post-tension anchor system has an anchor body having a cavity formed in an interior thereof, a tendon extending into the cavity having a sheathing extending at least partially thereover and having a sheathed portion and an unsheathed portion, a pair of wedges in engagement with the unsheathed portion of the tendon in the cavity of the anchor body, and at least one wedge member engaged with the sheathed portion. The wedge member has a wide end and a narrow end, the wide end being adjacent to the pair of wedges. The wedge member has a decreasing thickness from the wide end to the narrow end.

Abstract: An article for engaging a sheathing of a sheathed portion of a tendon has a tubular body having an inner surface and outer surface and a first end and a second end, fins extending radially outwardly from the outer surface, a longitudinal split extending through a wall of the tubular body and extending from the first end to the second end, locking ribs extending radially inwardly from the inner surface of the tubular body, and a collar formed adjacent the second end of said tubular body. Each of the locking ribs extends parallel to the other locking ribs. The locking ribs are equally spaced along the inner surface of the tubular body. Each of the fins extends parallel to the other fins. Each of the fins have a height increasing from the first end to the second end of the tubular body.

Abstract: An anchor system for a tendon includes a load transfer device having at least one wedge receiving bore therein. The wedge receiving bore has a tapered interior surface. The anchor system also includes a wedge configured to be affixed to an exterior surface of a tendon. The wedge has a tapered exterior surface configured to cooperate with the tapered interior surface of the wedge receiving bore to laterally compress the wedge against a tendon when the wedge is moved longitudinally into the bore. Taper angle of the wedge and a taper angle of the wedge receiving bore are selected such that longitudinal compressive force exerted by the wedge is substantially evenly longitudinally distributed.

Abstract: The present disclosure provides a fastener to secure a flange to a main body of a blowout preventer, the fastener including a housing configured to receive a locking pin, a plurality of cavities located within one of the housing or the locking pin, the plurality of cavities each comprising an inclined surface extending from a deep sections of the cavity, a plurality of rollers positioned in the plurality of cavities, and a release cage to retain the plurality of rollers in the plurality of cavities, wherein the release cage moves the plurality of rollers along the inclined surfaces and into compressive engagement between the locking pin and the housing.

Abstract: A connection assembly for connecting a first member to a second member, such as a wear strip to a portion of an excavating device, is described. The second member has a protruding boss and the first member has a recess complementary in shape to the protruding boss. The first member has an associated first bearing surface and the second member has an associated second bearing surface. The first and second bearing surfaces are, in use, opposed and separated by a tapered gap. The connection assembly further includes a wedge-shaped locking member. The wedge-shaped locking member is sized to locate within the tapered gap and is provided with a driving means to permit tightening or loosening of the locking member within the tapered gap.

Abstract: An orthopedic component comprising a first element and a second element, with the first element and the second element being secured to one another with a modular connection, wherein the modular connection comprises a taper junction and an engaged-fit junction.

Abstract: A bicycle wheel securing structure includes a shaft member, a head member, a lever member and an adjustment member. The shaft member has a first threaded end and a second end with a center axis extending therebetween. The head member is disposed on the second end of the shaft member. The lever member is operatively mounted between the shaft member and the head member to move the shaft member in an axial direction relative to the head member in response to movement of the lever member. The adjustment member is axially adjustably coupled to the head member such that an axial position of an abutment surface of the adjustment member can be adjusted relative to the shaft member.

Abstract: A bicycle wheel securing structure includes a shaft member, a head member, a first wheel securing device, a second wheel securing device, a first lever member and a second lever member. The shaft member has first and second end portions and a longitudinal center axis. The head member is coupled at the second end portion. The first wheel securing device is positioned at the second end portion. The second wheel securing device positioned at least one of the first and second end portions. The first lever member is operatively connected to the first wheel securing device to move the first wheel securing device in response to movement of the first lever member. The second lever member is operatively connected to the second wheel securing device to move the second wheel securing device in response to movement of the second lever member.

Abstract: An apparatus includes a yoke having a first end and a second end. The yoke is configured to hold a device that includes an aperture and a range compensation structure. A catch arm is pivotally secured to the first end of the yoke. The catch arm includes a locking feature. The locking feature and the second end of the yoke interface, respectively, to a first retention feature and a second retention feature defined by the aperture and the range compensation structure. The locking feature is configured to interface to the first retention feature and the second end of the yoke is configured to interface to the second retention feature.

Abstract: A wedge anchor comprising a barrel having a wedge receiving face opposite a rod receiving face, a passage extending therethrough between the wedge receiving face and the rod receiving face, the passage narrowing toward the rod receiving face and having an axial cross-sectional profile defining a convex arc; and, a plurality of wedges insertable into the passage, each of the wedges having a respective inner wedge face for defining a rod receiving passage for receiving a rod and an outer wedge face, opposite the inner wedge face, in axial cross-section having a profile complementary to the convex arc.

Abstract: A rigid link of adjustable length includes a yoke with a transversal stud. The stud is mounted on the yoke with two bearings, each inside a through-orifice in the yoke. The axis of the stud is offset from the axis of the bearings whereby the link includes a stopping device in order to lock the stud in at least two different positions, relative to the yoke.

Abstract: Apparatus (30) for attaching an elongate member (18) to a rigid member (20), comprising a first part (40) with a body (42) for attachment to the rigid member (20), the body (42) defining a bore (46) for slidably receiving an end of the elongate member (18), a second part (60) having an aperture—(62) for receiving therethrough an end of the elongate member (18), the first (40) and second (60) parts having mating screw threads (70) for releasably attaching the parts together with the aperture (62) registered with the bore (46), a collet member (50) for engaging the elongate member (18). when received in the bore (46), with at least one part being configured to constrict the collet member (50) as the parts are releasably attached together, and a coupling (80), additional to the mating screw threads (70), for providing a force to resist rotation of one part relative to the other at least when the parts are attached together.

Abstract: A fastening device for attaching an object to a support structure, comprising at least one locking member on the object or the support structure and adapted for insertion in an aperture running through the support structure or the object. A transverse hole in the locking member which, at the time of fitting the object, is adapted to be partly masked by the material surrounding the aperture. An engagement device having a cross-section with a varying distance between its center point and its periphery is inserted in the unmasked portion of the transverse hole running through the locking member and is turned thereafter from one position to another position to bring about a clamping action between the object and the support structure. Also a method for attaching an object to a support structure using the above device.

Abstract: A releasable self-centering keyless bushing assembly connects two machine elements, such as a hub to a shaft. The assembly includes an outer ring having two tapered inner peripheral surfaces, wherein each of the tapered surfaces has a different taper angle, and an inner cone having two tapered outer peripheral surfaces that have identical taper angles to the tapered peripheral surfaces of the outer ring. The outer ring and the inner cone are drawn together by screws that expand and contract the assembly to connect the hub to the shaft.

Abstract: A locking arrangement includes an inner element (1) and an outer element (3), (302), where the inner element (1) is axially shiftable relative to the outer element (3), such as a shaft of a tool, one end of the outer element (3), (302) has a locking member (4) for locking the inner element (1) and the outer element (3), (302) relative to one another, the locking member (4) is maneuverable by a maneuvering member (5) that is remote from the locking member (4) in a direction toward another end of the outer element (3), (302) via an affecting member (301) that is shiftable along or rotatable about an axis that is parallel to a lengthwise axis of the outer element so that the affecting member has a tube (301) that completely or partially encloses the outer element (302).

Abstract: An anchor for engagement with a post-tension tendon includes an anchor base having a generally tapered wedge receiving bore. A sheath surrounds the anchor base. The sheath has a substantially cylindrical extension on one side of the anchor base for contacting the tendon at a distal end thereof from the anchor base. The extension is formed integrally with the sheath and has a seal disposed therein proximate the distal end. A cap having external threads thereon is for engaging corresponding internal mating threads on the sheath on a side of the anchor base opposite to the sheath extension. The cap has a tool engagement surface thereon to facilitate rotation by a tool for engagement with the sheath.

Abstract: A cultivator sweep assembly having a sweep adapted for releasable attachment to a shank of a mobile agricultural apparatus. The sweep assembly includes a sweep having a more narrow profile, and a coupling attached to a tapered end portion of the shank and disposed between the sweep and the supporting shank. The sweep includes a stem portion that defines a housing configured to frictionally receive and engage the tapered end portion of the shank. The end portion of the shank having the coupling attached thereto is slidably received within the housing until a projection of the coupling is received through a top opening of the housing. The projection received through the top opening indicating that the end portion of the shank is sufficiently received within the housing of the sweep, and that the sweep is mounted to the shank with sufficient force.

Abstract: A camming coupler for removably attaching a music desk or other object to an upright support leg. The camming coupler includes an inner sleeve for receiving the upright support leg. The inner sleeve has at least one longitudinal slit formed therein, and preferably has four substantially equidistant longitudinal slits. The inner sleeve also has a cammed exterior surface. An attachment member extends from the inner sleeve, and is attachable to the music desk or other object. The camming coupler further includes an outer sleeve positioned over the inner sleeve. The outer sleeve has a cammed interior surface that corresponds with the cammed exterior surface of the inner sleeve. In use, the camming coupler is secured to a music desk or other object. An upright support leg is inserted in the inner sleeve, and the outer sleeve is rotated to compress the inner sleeve.

Abstract: A clamp for a cable having a housing with a first end, a second end, and an interior cavity to receive the cable. The clamp also includes a jaw assembly having a notch. The jaw assembly moves between locked and triggered positions within the cavity. A biasing member is disposed within the cavity to bias the jaw assembly towards the triggered position. A retainer is arranged within the cavity and has gripping fingers to engage the notches in the locked position. A trigger is positioned within the cavity. The trigger has an outer locking portion to engage with the gripping fingers to releasably secure the gripping fingers in the notches to retain the jaw assembly in the locked position. When the cable is inserted into the interior cavity and contacts the trigger device, the gripping fingers and notches disengage so that the biasing member biases the jaw assembly towards the first end of the clamp to clamp the cable.

Abstract: A fastener assembly comprising a first wedge portion having an angled end, a second wedge portion having an angled end, and a fastener extending through the first wedge portion and the second wedge portion, wherein a portion of the fastener protrudes from one of the first and second wedge portions for interfacing with a component to be mounted, wherein the angled end of the first wedge portion and the angled end of the second wedge portion are interfaced when the fastener is extended through the first wedge portion and the second wedge portion.

Abstract: A locking device for two units (1), (3) displaceable one inside the other, such as the handle of an implement with variable length, comprising a locking member (4) arranged at one end of the outer element (3), said locking member (4) being operated by an operating member (5) spaced from the locking member (4) in the direction of the other end of the outer element (3) via an actuating member (7) that is displaceable along, or turnable about, an axis parallel with the longitudinal axis of the outer element (3).

Abstract: A high strength reinforcing bar splice uses a contractible jaw assembly bridging the bar ends to be joined. The jaw assembly includes interior teeth designed to bite into the projecting ribs or deformations on the outside of the bar ends which form the overall diameter of the bar but not the core or nominal diameter of the bar. The jaw assembly is constricted from both axial ends by driving tapered locking collars on each end of the jaw assembly with a tool while concurrently causing the jaw assembly to constrict and bite into the bar ends. When the tool is removed, the collars remain in place locking the jaw assembly closed. The splice provides not only high tensile and compressive strengths but also has good fatigue and dynamic strength to qualify as a Type 2 coupler.

Abstract: In a device for coupling a tooth onto an adaptor nose with a key, the tooth includes a skirt shrouding the adapter nose beyond the key passage zone and having a configuration connected to a return wall, comprising a bordering ridge. The wall is provided in the width of the skirt and corresponds to the passage and positioning of the key. Proximate the ends of the wall, and in the thickness of the skirt, are provided passage openings for the key devoid of abutting function in operation and ensuring a guiding and stopping function only when the key is inserted or removed. The key comprises two components transversely mobile relative to each other.

Abstract: A method for mounting an axially split sleeve provided with an axial slot on a shaft so that a tapering surface on the sleeve cooperates with a tapering bore of a machine member. A flange is axially connected to the sleeve and supports a number of spaced apart tightening devices that are to be urged against the machine member for mutually displacing the machine member and the sleeve to increase the grip between the shaft, the sleeve and the machine member. The method involves positioning the sleeve around the shaft with the annular flange positioned with its tightening devices against the machine member, tightening a first one of the tightening devices which is located at a position diametrically opposite the slot in the sleeve, and thereafter tightening further ones of the tightening devices one by one.

Abstract: A connection arrangement accommodates misalignments in three dimensions, and achieves a positive fixed connection between two components. A threaded standoff with a first bolt hole therein is partially screwed into a threaded hole in the first component and protrudes to match the spacing distance between the components. Inner and outer eccentric disks are received and supported in a hole in the second component. The inner disk has an offset center relative to the outer disk, and has a second bolt hole offset from the inner disk's center. Rotating the two disks accommodates radial misalignments to bring the two bolt holes into alignment. A bolt shaft extends through the bolt holes. While a bolt head or nut at one end of the shaft bears against the eccentric disks, a clamping cone at the opposite end of the shaft is tightened to axially clamp the standoff against the second component, and to radially outwardly spread and clamp the standoff against the internal threading of the first hole in the first component.

Abstract: A wear assembly provided with a tapered opening and a complementary tapered lock wherein the lock can be pried into and from the opening to thereby eliminate the need for hammering. The lock is formed with a body and a latch that is movable between a hold position where the latch is engageable with a stop in the opening to releasably retain the lock in the opening and a release position where the latch disengages the stop.

Abstract: A coupling device for connecting members, including: a coupling case that has a plurality of connecting slots which respectively receive the members; and wedges that are inserted into the spaces between the coupling case and each of the members perpendicularly to the direction of external pressure given to each of the members. Each of the wedges have one side and another side out of at least a couple of slope sides contacting the coupling case in opposite directions and have a higher coefficient of friction on a bottom side surface that touches one of the members than on the slope side surface that touches the coupling case.

Abstract: A wheel mount assembly adapted for use in securing a camber tube to a wheelchair frame comprises an axle plate, at least one axially displaceable member adapted to be fixed in relation to the axle plate, and at least one radially displaceable member adjacent the axially displaceable members. The axially displaceable member is adapted to be axially displaced to cause the radially displaceable member to be displaced to tighten against the camber tube to hold the camber tube in place.

Abstract: A reflector guiding an optical axis is housed in a mirror holder with a compression spring disposed therebetween so that the reflector is biased by the compression spring to move backward. A mirror retainer is rotatably supported by a rear cover for the mirror holder and the reflector is supported by a pair of supporting projections and an adjusting screw to bear against the rear surface of the reflector. The reflector tilts as the projection length of the adjusting screw is changed while the direction in which the effective surface of the reflector faces is changed as the mirror retainer is rotated and thereby the angular position of the adjusting screw is changed.

Abstract: A bicycle stem may include a body portion and a handlebar clamping portion connected thereto, and a handlebar clamping member cooperating with the handlebar clamping portion to clamp the bicycle handlebar. The handlebar clamping member and the handlebar clamping portion may each have a cavity in a respective medial portion thereof to accommodate an enlarged diameter portion of the handlebar. The handlebar clamping member may have a generally rectangular shape with a recess therein defining with the cavity a pair of spaced apart contact areas for contacting the handlebar. The handlebar clamping member may also be completely removable from the handlebar clamping portion in some embodiments, to facilitate installation of the handlebar. The handlebar clamping portion may also have a recess therein defining with the cavity a pair of spaced apart contact areas for contacting the handlebar.

Abstract: A bicycle stem includes a steering tube clamp with a pair of cooperating clamp members defining an imaginary cylinder and a recess therein for the steering tube. Each clamp member may also have at least one fastener receiving passageway therein offset a predetermined distance from an axis defined by the imaginary cylinder. The stem may include a body portion having opposing first and second ends, a handlebar clamping portion connected to the first end of the body portion, and a steering tube clamping portion connected to the second end of the body portion. The steering tube clamping portion may have a tubular shape defining a steering tube receiving passageway therethrough, and a clamp receiving passageway transverse to the steering tube receiving passageway and in communication therewith.

Abstract: A knob retainer system including a knob having a cavity and an opening into said cavity and a retainer adapted to fit within the knob cavity. The retainer includes wing portions and a cantilevered barbed portion. When the retainer is placed inside of the knob cavity and the actuating lever is manipulated between the retainer and an upper wall of the knob cavity, the actuating lever downwardly depresses the retainer thereby causing stakes located in the retainer to positively engage a portion of the cavity wall thereby preventing the retainer from moving with respect to the knob. The retainer is also fitted with a cantilevered portion which terminates in a barbed end. The barbed end positively engages an engagement surface on the actuating lever thereby preventing the actuating lever from pulling away from the knob/retainer assembly. The actuating lever is easily removed from the knob/retainer assembly by use of a specialized tool.

Abstract: The tensioning mechanism (18) comprises a clamp bolt (28), arranged in a displaceable manner in a transverse bore (26) in the fitting plug (12) and two diametrically opposed retainers (34, 36) in the second component (14) which engage with an axially facing internal or external cone against a complementary internal or external cone on the clamp bolt (28) and, during tensioning, are tensioned with the same in a wedge fashion. According to the invention, the clamp bolt (28) comprises a frustum-shaped external cone (40), the base diameter of which is smaller than the diameter of the guide surface (62) thereof in the transverse bore (26).

Abstract: A deformable wedge clamp assembly includes a body having first and second apertures formed therein, the first aperture being suitable for receiving a fastener and the second aperture being suitable for receiving a member to which the body is to be attached and a wedge assembly disposed in the body adjacent to the first and second apertures, wherein insertion of a fastener into the first aperture is capable of deforming the body for moving the wedge assembly against a member received in the first aperture to clamp the body to the member.

Abstract: A reinforcing bar coupling is provided for simply and quickly applying to a mechanical butt joint of two bars in the concrete constructions. The reinforcing bar coupling is consisted of a cylindrical sleeve (2) formed an uneven inner surface (22) to mate with the ribs (11) formed around outer surface of the reinforcing bars (1), an intermediate pad (3) having an uneven semi-circular surface at one side and an inclined-declined flat surface at opposite side, a gap provided between the cylindrical sleeve (2) and the intermediate pad (3), and a pair of wedges (4) being inserted into the gap. The inner surface of the cylindrical sleeve (2) and the outer surface of the reinforcing bars (1) are radially compressed to provide the butt joint of the two bars (1) by the wedging action.

Abstract: A tensioning apparatus for operably applying forces to inner surfaces of a hollow body includes a bracing nut having a first receptacle portion and a bracing portion, an axially movable rod that is operably coupled to the bracing nut such that a first portion of the rod is selectively axially movable within the bracing nut, a wedge structure that is operably engaged with the rod for coaxial movement therewith, and a tensioning body that is operably and slidably engaged with the wedge structure. The tension body and the wedge structure have corresponding and facing sloped surfaces such that selectively axial motion of the rod correspondingly and coaxially moves the wedge structure, which coaxial movement of the wedge structure therefore progressively radially displaces the tensioning body to provide tensioning forces against respective inner surfaces of the hollow body.

Abstract: Embodiments of the present invention are directed to a storage shed that is strong, durable, low-maintenance, easy to assemble and use, and relatively inexpensive to manufacture and ship, and can be mass produced. In one embodiment, an attachment device is provided for attaching a support post to a floor having a top, a bottom, a floor opening between the top and the bottom, and a side edge. The attachment device comprises a floor locking nut configured to be rotatably supported at the bottom of the floor. The floor locking nut includes a nut bearing surface disposed adjacent a nut aperture and facing downward from the bottom of the floor. The nut bearing surface includes an inclined surface leading to a raised surface.

Abstract: The specification discloses several embodiments of an interlocking device. The specification discloses a preferred embodiment of an interlocking device having an inner bar slideable within the confines of an outer bar. The outer bar has a first end and a second end. When the inner bar slides towards the second end of the outer bar, a plug, which is attached to the inner bar, is adapted to abut a plug barrier thereby preventing the inner bar from sliding towards the second end.

Abstract: A device for fixing the hub of an arm of a wind-screen wiper (2) on a pivoting axis (1) with locking elements (6, 7) for the arm on the pivoting axis (1), a cavity (32) which is created in the hub (2) and is provided with adjusting and angular positioning elements for the arm in relation to the axis (1), whereby the hub (2) rests on the base of a stop (3) which nestles on a radius of operation (4) of the said axis (1); the locking elements (6, 7) are adapted in such a way that they can be engaged in a locking or unlocking position, the adjusting elements includes a connecting ring (10) which is rotationally fixed to the axis (1) and accommodated in the cavity (32) of the hub (2) with a certain amount of play allowing for limited relative angular displacement between the connecting ring (10) and the hub (2) when the locking elements (6, 7) are in an unlocked position, whereby all relative displacement is prohibited between the connecting ring (10) and the hub (2) when the locking elements (6, 7) are in a locke

Abstract: The invention relates to a clamping device set for aligning and clamping two pipe ends, with clamping plates (1) which are arranged axially distanced, with clamping wedges (2) which extend in axial direction and which on a first side (21, 23) are mounted movable in radial direction on the clamping plates, and on a second side (22) have a contact surface for acting on the pipe ends (91, 92), with a guide for guiding the clamping wedges (2) on the clamping plates (1) and with an actuation means (3) for moving the clamping wedges (2), wherein the guide (4) is provided with an elastic holding means for holding the clamping wedges (2) on the clamping plates (1). The invention extends further to a clamping device set with several sets of exchangeable clamping wedges (2) which have differing distances from the inner to the outer side (21, 22).