Abstract: A bayonet coupling including an annular groove and bayonet lugs on an inner ring-shaped member and an outer ring-shaped member; and insertion openings formed on either the inner ring-shaped member or the outer ring-shaped member which includes the annular groove. The bayonet lugs includes first bayonet lugs associated with the insertion openings to be insertable into the annular groove through the insertion openings, and a second bayonet lug for which no associated insertion opening is formed. The insertion openings, the first bayonet lugs and the second bayonet lug are shaped so that the second bayonet lug is insertable into the annular groove with axes of the outer and inner ring-shaped members being inclined to each other, and so that the first bayonet lugs are insertable into the annular groove through the insertion openings, respectively, after the second bayonet lug is inserted into the annular groove.

Abstract: A computer case with side panel clip fastening configuration utilizing a direct clip fastening method to quickly secure side panels of a computer case to a computer case housing. An inner catch first lodges into a notch defined on the side panel, and subsequently rotated 90° therein to secure its positioning. The configuration further employs a cylindrical positioning socket configured on the clip fasteners to pass through through-holes defined in the side panels and thereupon into securing holes defined in the computer case housing. The side panels and computer case housing are thereby assembled to form a computer case in its entirety.

Abstract: Disclosed is an apparatus for the knotless connecting and disconnecting of sections of fly line or fly line and leader line comprising complimentary female and male interlocking portions. Each portion permanently attached in the core of different sections of fly lines or leader lines.

Abstract: A blade attaching structure including a connecting shaft on a blade side detachably supported on an attaching groove formed on a wiper arm, wherein secure fixation becomes possible while attaching and detaching operations are simplified. An attaching groove formed on a wiper arm has a dovetail groove shape having a groove entrance portion with a groove width, the connecting shaft including a fixed shaft fixed on a bracket and a spacer having a cylinder sliding portion which is incorporated in the fixed shaft to be slidable in the rotational direction of the shaft.

Abstract: A removable steering wheel device for permitting removal of the steering wheel to make the vehicle undriveable and thus undesirable to a potential thief. The removable steering wheel device includes a steering wheel having a boss engageable with an upper end of a steering column of the vehicle. The boss includes a bore and a base wall at the bottom of the bore. A bayonet connection assembly for removably connecting the boss to the upper end of the steering column. A locking cap disposed within the bore for fixing the bayonet connection between the boss and the upper end. The locking cap including an assembly for preventing rotation of the boss relative to the upper end, and including an assembly for fixing the locking cap within the bore.

Abstract: A device for connecting a control mechanism to an end of a support arm system with mounting screws that have screwheads projecting from the control mechanism and that can be inserted vertically and up into keyhole type screw receptacles of the support arm system. The mounting screws can be temporarily held in the holding slots of the screw receptacles by horizontal displacement and fixed in the holding position by rotation. According to this invention, if a vertical lowering of the mounting screws and insertion of the screwheads into securing receptacles at the end of the holding slots of the screw receptacles are performed after horizontal displacement of the mounting screws, which prevents horizontal displacement of the mounting screws from the holding position, then the set holding position is secured so that unintentional release of the control mechanism from the support arm system is reliably prevented.

Abstract: A vehicle has a storage compartment latch that includes a moveable detent member and a release actuator for moving the detent member to a release position that is operated from inside the storage compartment. The release actuator has a handle that pulls a cable to move the detent member. The cable is attached to the detent member by a cable attachment that comprises a retention slot in an end portion of the detent member and an end length of the cable that has a ferrule attached to it. The end length of the cable is loaded into the retention slot in a transverse manner via a loading slot and transition slots in the end portion of the detent member.

Abstract: A system for joining two rails includes a rotatable disc in a slot in an end of a rail, where the disc has a pair of diametrically opposed notches, a pair of diametrically opposed first sectors having a first radius, and a pair of diametrically opposed second sectors having a second radius larger than the first radius. A movable stopper in the rail is urged into the slot at a position where the stopper engages one of the first sectors when a pin in the rail engages one of the notches, and one of the second sectors is between the one first sector and the notch engaging the pin.

Abstract: A waist connection apparatus for an artificial model comprises an upper and a lower bases respectively, and an upper and a lower engaging disks respectively. The upper and the lower engaging disks are fastened to the upper and the lower bases respectively. The upper and the lower disks provide detachable connecting parts such that the upper and the lower parts of the model can be joined together or separated apart easily. Hence, the waist connection apparatus makes the model possible to be hung up, lean to one side, and many other postures as desired by the need of exhibition. Furthermore, the waist connection apparatus can fit any size of the model as soon as a proper sized waist connection apparatus is replaced.

Abstract: A two-part connector includes a male member and a female member. The male member is inserted transversely into an opening in the female member such that the male and female member are axially aligned. Once inserted, the male member is locked in the female member and rotatable relative to the female member. A method for coupling an automotive cable assembly is also provided.

Abstract: A hood latch assembly for a front end module of a vehicle includes a hood latch, which locks a striker of a hood, installed at an upper horizontal portion of a front panel of the front end module formed of upper and lower horizontal portions and a vertical portion connecting the left and right sides of the upper and lower horizontal portions. The first release cable has one end connected to a release lever disposed at a driver's seat. The first release cable is installed at the upper horizontal portion of the front panel to be capable of sliding. A second release cable has one end connected to the hood latch. A connection unit is installed at the other end portions of the first and second release cables, which connects or separates the first and second release cables.

Abstract: A three-dimensional engaging device. The three-dimensional engaging device includes a first fastener and a second fastener. The first fastener includes a side wall, a first block, and a second block. The first and second blocks are respectively connected to the side wall. The second fastener engages the first fastener. The side wall constrains the second fastener in a direction x. The first block constrains the second fastener in a direction y, and the second block constrains the second fastener in a direction z. The x, y, and z axes are substantially perpendicular to each other.

Abstract: A device is provided for releasably connecting together two elements of an orthosis or prosthesis. The device includes two plate members each attachable to a different orthotic element and a slider plate that is movable between a first released position and a second locked position. The device also may include a stop to secure the slider plate in the locked position.

Abstract: A sliding fastening for a plastics material part having at least one thin wall that is to be slidably fastened to a support via its thin wall, the part including in said thin wall an elongate opening having two longitudinal edges that are substantially parallel at least over a portion of their length, the fastening comprising a spacer that is separate from the part, that is thicker than the thickness of the thin wall, and that is suitable for sliding in the opening between the two longitudinal edges thereof, a cover completely covering the spacer, being larger than the opening so as to be incapable of passing through it in order to hold the thin wall in register with the thickness of the spacer, and a base for securing to the support. In the fastening the spacer and the base are united by frangible links.

Abstract: A stud bridging/spacing member (30) generally having at least three longitudinally spaced apart notches (26) for receiving and engaging therein a web of a metal stud. The notches (26) extend at an incline to the longitudinal axis of the elongated member.

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 separable, form-fitting joint (5) is proposed in which one plastic component is designed as a base component (6) and another component, a cover (7), is designed as a component to be mounted on the base component (6), and the cover (7) is equipped, as viewed from the mounting direction (10), with opposing pocket-shaped receptacles (13, 14, 20, 21) which are formed on cover (7) by tongues (16, 17, 22, 23) on the cover (7) and which accommodate the insertion of flange-shaped edge sections (9, 12) of the base component (6).

Abstract: The present invention is directed to a device for locking modular cafeteria units that can form a cafeteria line up. The device comprises two sub-assemblies: (A) a male bullet catch; and (B) a female receiver with a locking plate. The male bullet catch has a single annular groove cut to mate with the locking plate of the female receiver assembly. The spring-loaded receiver releasably mates with the male bullet catch to connect the cafeteria units.

Abstract: A molded plug is provided that is used to lock structural members together where those members are joined together by the interengagement of a standoff rivet and a keyhole slot. In the normal interengagement of such structural members, a standoff rivet of one of the structural members is inserted into an enlarged portion of a keyhole slot on the other structural member and the structural members are moved relative to each other in order to slide the standoff rivet into the narrowed portion of the keyhole slot. When so positioned, the plug is inserted and locked into position within the enlarged portion of the keyhole slot and thus prevents any relative movement between the structural members to insure that the standoff rivet cannot again become aligned with the enlarged portion of the keyhole slot where inadvertent disengagement of the structural member could occur.

Abstract: A holding connector system is provided for connecting a microdevice feeder to an assembly line table having a plurality of latch stop pins and a plurality of alignment slots. A connector body having a guide rail, which is pivotally mounted to the first structure, engages one of the plurality of alignment slots for connecting the microdevice feeder and the assembly line table. A holding mechanism having a latch, which is pivotally mounted to the microdevice feeder engages one of the plurality of latch stop pins for holding the microdevice feeder to the assembly line table. The holding connector system allows for simple, easy installation and removal of the microdevice feeder without the possibility of front to back tipping.

Abstract: A cultivator point assembly includes an adaptor having a front and a rear end, and intended to be mounted to a cultivator machine at an upper end and having a foot projecting from a lower end. A cultivator point is adapted to be engaged with the adaptor and has a mounting section and a forward ground-working edge. An aperture in the mounting section is adapted to receive the foot of the adaptor in a first reversed position, whereafter the cultivator point is rotated 180° relative to the adaptor into an intermediate position in which the ground working edge is in a forward facing position relative to the adaptor, and is then moved rearwardly relative to the adaptor into a working position. A stop in use prevents unintentional detachment of the cultivator point from the adaptor.

Abstract: A coaxial connector of the type wherein an inner connector member of a female connector is adapted for secure engagement with a connector member of a male connector. The coaxial connector is positioned around the connector member of the male connector and the connector member of the female connector when the coaxial connector is in its locked position. A spring basket with an angular frontal surface is positioned around the connection member of the male connector. A sleeve with an angular internal surface for engaging the angular frontal surface of the spring basket is reciprically positioned around the spring basket and the connection member of the male connector. The sleeve has at least one locking groove that extends substantially parallel to the major axis along a portion of the body thereof. A spring nut is provided with a hollow front end disposed within the sleeve and at least one upstanding locking finger disposed within the at least one locking grove of the sleeve.

Abstract: A structure to fast combine two boards into a box or cabinet by means of a snap catch comprised of a catch piece and a strike piece without using any screw, within, the catch piece being incorporated into a first board and provided with catch-hook while the strike plate being incorporated into a second board provided with recess to receive insertion by the catch from the catch piece to couple both boards to each other, laterally or vertically as required.

Abstract: An operating device for window openers, screening arrangement and similar devices comprising an operating rod (6) with a hook-shaped operating elements (5) in its end and a rotatable coupling element (3) connected to said window opener or screening arrangement and having the form of an essentially annular eye with an aperture (8) with an area which is considerably larger than the cross-section of the hook-shaped operating element (5) such that at the insertion of the hook-shaped operating element in said aperture, the coupling element can be turned by means of the operating rod while simultaneously pulling the coupling element, where the annular eye in connection with said aperture (8) comprises a narrowed additional aperture (10) which, at least upon reception of the hook-shaped operating element as a result of said pull, encircles the operating element relatively closely.

Abstract: A connector used to attach a reinforcing element to a headed stud includes a body uniquely configured to be placed onto the stud's head. The body also includes a pair of opposed apertures such that a reinforcing element such as, for example, a length of rebar, maybe inserted through the apertures such that the connector, already disposed on the stud head, effectively “locks” the reinforcing element to the stud.

Abstract: A vehicle has a storage compartment latch that includes a moveable detent member and a release actuator for moving the detent member to a release position that is operated from inside the storage compartment. The release actuator has a handle that pulls a cable to move the detent member. The cable is attached to the detent member by a cable attachment that comprises a retention slot in an end portion of the detent member and an end length of the cable that has a ferrule attached to it. The end length of the cable is loaded into the retention slot in a transverse manner via a loading slot and transition slots in the end portion of the detent member.

Abstract: A mounting assembly, having a first portion adapted to be mounted on the surface, the first portion presenting a first plane, a second portion adapted to be fastened to an object such as a speaker, the second portion presenting a second plane, and connectors for releasably connecting the second portion to the first portion in a connected condition with the first and second planes in engagement, the connectors releasably connecting the first and second portions by relative movement of the first and second planes towards each other and then movement of the first and second portions relative to each other along the contacting planes.

Abstract: A cable harness assembly is provided on a bicycle for guiding a disk brake control hose in accompaniment of the cable stoppers brazed on a bicycle frame. The cable harness assembly basically has a hose hanger, a hanger stopper, a stopper bushing and a hanger fixing bolt. The hose hanger includes a body portion of a first outer diameter or width and formed with a first axial bore therethrough, and a cable portion extending from the body portion. The hanger stopper of a second outer diameter or width is smaller than the first outer diameter or width. The hanger stopper is formed with a halting piece extending from the hanger stopper and a second axial bore therethrough. The stopper bushing is sandwiched between the hose hanger and the hanger stopper and formed with a third axial bore therethrough. The stopper bushing is made of a radially expandable material and has a third outer diameter or width being normally approximate to the second outer diameter or width.

Abstract: A line anchoring coupling is disclosed having a base attachable to a support surface and a complementary connector attachable to a line. The connector is insertable into a base cavity and rotatable therein into an operative position permitting the connector to swing into a position aligned with tensioning forces applied to the line.

Abstract: The fastener includes a head with an oval-shaped base. The head is supported by a cylindrical post and includes overhanging or cantilevered portions along the major axis of the oval-shaped base. These overhanging portions are ramped and face a first seal. The head engages a slot in a panel by first being inserted therethrough and then being twisted by one quarter turn so that the edges of the slot are engaged between the first seal and the cantilevered portions. Flex tabs lock the head in place. The fastener further includes a cylindrical retainer with flexible retaining fingers which is inserted by a linear motion into an aperture in another panel, thereby engaging the panel between the retaining fingers and the second seal.

Abstract: A method of supporting a hose on a cable stopper of a bicycle involves providing a cable harness assembly including a hose hanger and a stopper bushing; inserting the stopper bushing within an inner space of the cable stopper; radially expanding the stopper bushing within the inner space of the cable stopper such that the stopper bushing at least partially contacts an interior wall of the cable stopper to couple the hose hanger to the cable stopper; and supporting the hose on a cable portion of the hose hanger. The hose hanger includes a body portion and the cable portion that is sized and configured to support the hose. The stopper bushing has an unexpanded outer width that is sized and configured to be received within the inner space of the cable stopper.

Abstract: An apparatus for connecting an operating cable to an actuating lever and a method for connecting the same. A cable end nipple is automatically rotated and proceeded into a space reserved between parallel walls of a strut simply by pushing the cable end nipple toward a space between parallel walls in a cable releasing direction. The present apparatus and method eliminates the necessity of horizontally adjusting the connecting portion of the cable end nipple and the free end of the brake cable as is found in conventional devices.

Abstract: A connection element for cable pulls, having a cable pull sleeve for protecting the cable pull core and for the transmission of movements with forces, an elongated wire for mechanical strength of the cable, a guide tube for guiding the inner cable core, and rubber elements for damping. Elongated wires having bent ends are provided with an injection molding so that there is a contour with U-shaped cross section in the injection molding. A holder engages in the injection molding via an elastic element which simultaneously carries the guide tube and connects it with the injection molding. A flat strip with sliding tube opens into the guide tube.

Abstract: The mechanism for mounting and venting an enclosure which includes a mounting bracket which is mountable to an outdoor enclosure having an inner portion. The mounting bracket has an exterior and an interior surface. The interior surface has a mounting aperture for receiving a securement member and a venting aperture in fluid communication with said interior portion of the outdoor enclosure. Further, the mounting bracket has a bottom containing at least one vent hole in fluid communication with the venting aperture for permitting the passage of air between the interior portion of the outdoor enclosure and a space outside the enclosure.

Abstract: A seat device of a key ring comprises a seat. The seat has an oblong shape, and an interior of the seat having a cruciform recess. One end of the sliding groove is formed with an opening and a movable opening can be formed through a control device. A movable track is formed interior the recess and near one end thereof for being connected to key rings. Thereby, the movable opening is installed at the middle portion of the movable track so that the key rings can be taken out easily and the user may take out any key ring from the opening at the middle portion.

Abstract: A combination gear having a gear slipping-off preventing structure with an easier combining operation is provided, which includes: a first gear having a shaft hole; a second gear, having a shaft hole, to coaxially couple with the first gear so as to constitute the combination gear; and a shaft to be inserted into the shaft holes of the respective first and second gears, wherein either one of the first and second gears is provided with a coupling male-portion having a securing projection and the other of the first and second gears is provided with a coupling female-portion having a securing recess so that the first and second gears combine together by coupling the coupling male-portion with the coupling female-portion with an engagement between the securing projection and the securing recess. And, a relief portion to permit a relief of an end portion of the securing projection on coupling the coupling male-portion with the coupling female-portion is also provided inside the securing recess.

Abstract: A device for connecting switchgear cabinets which can be attached to each other. The switchgear cabinets have racks with frame sections and form connecting frames extending as far as connecting planes. The frame sections have side sections which are oriented towards an inner space of the switchgear cabinet. Corresponding frame sections of the attached racks are interconnected by one or several connecting elements with a positive fit. The connecting elements are fixed at receptacles of the side sections. In order to provide considerable flexibility in attaching different types of switchgear cabinets, the vertical frame pieces connected to the connecting element have different cross-sectional dimensions, the connecting element is fixed to a fixing receptacle of the first frame section by a first fixing element, and the connecting element grips the second frame section with a clamping element.

Abstract: The present invention provides an improved apparatus for mounting an electronic device such as a sonde therein for use in directional drilling. Such an apparatus includes an elongated housing having projections at opposite ends of the housing for connecting the housing to other components of the boring machine, an elongated internal chamber configured to receive an electronic device therein and having an elongated access opening which extends along an exterior surface of the housing, and a cover sized to close the access opening, the cover having a first hole extending therethrough.

Abstract: A mounting for poles of jumps in equestrian sport. A dish-shaped pole receiver suspended on a generally vertical rail can be connected together by bolts, then fixed to a stand. The bolts, which are flanged such that the shaft is not as wide as the head, extend in multi-segmented slots having serially connected narrow, wide and further narrow portions. The width of the narrow portion of the slot corresponds to approximately the width of the bolt shaft, while the wide portion of the slot is wide enough to accommodate the bolt head. The slot can secure the bolts by firstly introducing the bolt head into the wide portion of the slot, then engaging the shaft with the narrow part of the slot until the shaft comes in contact with the further narrow portion.

Abstract: A joint assembly for furniture members including a first member having a tongue including a first side extending outwardly from a first edge at a first predetermined angle with respect to the first edge and a second side extending outwardly from the first edge at a second predetermined angle with respect to the first edge. The tongue includes a projection positioned adjacent to the second side. The second member includes a groove having first and second walls and at least one cavity for receiving the tongue of the first member.

Abstract: A cable harness assembly is provided on a bicycle for guiding a disk brake control hose in accompaniment of the cable stoppers brazed on a bicycle frame. The cable harness assembly basically has a hose hanger, a hanger stopper, a stopper bushing and a hanger fixing bolt. The hose hanger includes a body portion of a first outer diameter or width and formed with a first axial bore therethrough, and a cable portion extending from the body portion. The hanger stopper of a second outer diameter or width is smaller than the first outer diameter or width. The hanger stopper is formed with a halting piece extending from the hanger stopper and a second axial bore therethrough. The stopper bushing is sandwiched between the hose hanger and the hanger stopper and formed with a third axial bore therethrough. The stopper bushing is made of a radially expandable material and has a third outer diameter or width being normally approximate to the second outer diameter or width.

Abstract: A stackable panel system having a versatile corner supporting arrangement for addition onto existing wall systems for a modular office system. The corners of the stackable panel include a sliding engagement scheme, wherein a mast assembly is secured to a top portion of the wall system by a mast base and slidably engages a central open area of a corner support on the stackable panel by means of a vertically oriented mast upright. Additional panels can be added to the stackable panels by means of intermediate connectors. On the upper portion of the top panel, a corner trim piece covers over the central open area of the top corners. A top connector helps to rigidly secure adjacent stackable panels, either with a T-shaped, L-shaped or X-shaped connection. A perimeter framing system utilizing the corner support arrangement for the stackable panels is also provided. Each of the frame members includes a semi-circular section and a flat section.

Abstract: An exemplary embodiment of the present invention is a method for fastening an object flush to a surface. The method comprises inserting an engagement member of the object into an opening in the planar member. The engagement member moves in a first direction and remains at or below the surface of the planar member. The engagement member of the object is repositioned in the opening while moving in a second direction. An engaging force is then applied to the engagement member in a third direction. The engaging force causes the engagement member of the object to be secured within the opening flush or below the surface of the planar member.

Abstract: A securing arrangement for releasably connecting two items comprises two elements. One of the elements is provided with hole with one wide section and one narrower section. The other element is provided with a peg opposite to and facing into the narrower hole section. The other item has a horseshoe-shaped protrusion with an inner waist and an outer collar, both of which has a lateral opening. To connect the items, the horseshoe-shaped protrusion with its collar is inserted laterally through the wide section of the hole with the lateral opening oriented towards the peg, and then longitudinally moved from the wide section into the narrower section to let the horseshoe-shaped protrusion enclose the peg. The items are secured by rotating relative to each other.

Abstract: A coupling device formed from a first coupling member and a second coupling member with a clamping structure for axially clamping the coupling members. At least three prismatic pins project from the first coupling member each of which is provided with at least one prismatic surface at at least one of the sides of the prismatic pin, and wherein three spaced z-reference surfaces are formed from the first coupling member which extend within a common x-y-plane transverse to the clamping direction. At least three grooves are formed in the second coupling member which are disposed in correspondence to the position of the prismatic pins and which are provided with axially elastic elements for exact positioning the coupling members relative to each other within the x-y-plane. The z-reference surfaces are formed from the free end surfaces of the prismatic pins and z-counter reference surfaces are formed from the base of each groove.

Abstract: A pipe connector comprising a contour fitting washer, a contour fitting nut, and a bolt is used to connect tubular members of a structure having a modular tubular framework. The pipe connector connects interfitting tubular members wherein one tubular member has an outer diameter approximating the inner diameter of a second tubular member. Each tubular member has a pair of diametrically opposed holes. When the pipe connector is completely assembled, the head of the bolt resides within a centrally disposed recess formed in the washer, and the nut is flush with the exterior of the tubular member. The pipe connector of the present invention is durable, strong, convenient to assemble, neat, and safety oriented.

Abstract: A cable harness assembly is provided on a bicycle for guiding a disk brake control hose in accompaniment of the cable stoppers brazed on a bicycle frame. The cable harness assembly basically has a hose hanger, a hanger stopper, a stopper bushing and a hanger fixing bolt. The hose hanger includes a body portion of a first outer diameter or width and formed with a first axial bore therethrough, and a cable portion extending from the body portion. The hanger stopper of a second outer diameter or width is smaller than the first outer diameter or width. The hanger stopper is formed with a halting piece extending from the hanger stopper and a second axial bore therethrough. The stopper bushing is sandwiched between the hose hanger and the hanger stopper and formed with a third axial bore therethrough. The stopper bushing is made of a radially expandable material and has a third outer diameter or width being normally approximate to the second outer diameter or width.

Abstract: A high temperature repairable airfoil having a plurality of flow path cover tiles coupled to a single crystal spar member. In one embodiment, the plurality of flow path cover tiles include an attachment portion that is received within a groove formed in the outer surface of the spar. The attachment portion slides into a retaining feature within the groove so as to limit movement of the plurality of flow path cover tiles. Upon rotation of the airfoil, the plurality of flow path cover tiles become centrifugally loaded with a portion of the spar member. In one embodiment, the plurality of flow path cover tiles are formed of a material selected from the group consisting of ceramics, intermetallic, and thermal barrier coated single crystal alloy material.

Abstract: A fastening device for the fastening of a plurality of furniture fittings to a furniture part includes an anchoring rail which is to be fastened to a side wall of a piece of furniture and has lateral openings for receiving fastening pins of the fastening device has a locking rail (10, 19) which is complementary to the and is displaceable relative to the anchoring rail while advantageously being guided therein and which has edge portions which latch in behind projections of the fastening pins in a locked position. The locking rail is movable by way of an eccentric mounted in the anchoring rail rail.

Abstract: A fastening assembly for fastening a first member to a second member comprising at least one threaded fastener having a head at one end thereof, the head having engagement surfaces for a tool, a threaded shank, the other end of the shank having engagement surfaces for a tool, at least one receiving bore in the first member into which the threaded shank is threaded in a pre-mounted state from one end thereof, with the head being spaced from the associated surface of the first member, the second member being preferably of thin sheet material and having at least one elongated opening, the opening having a first portion adapted to allow the entrance of head and a smaller portion adapted to accommodate the shank while the head grips behind the edge of the opening.