Abstract: A system and method including a fastener clip, including one or more legs, one or more wings attached to the legs, and threads between the one or more legs. The fastener clip is configured to be inserted into and to attach to a slot in a chassis. The wings include ledges. The fastener clip is configured to attach to the slot based at least upon the ledges being configured to engage the slot. The threads form a barrel configured to receive a screw. The fastener clip is configured to couple a component to the chassis based at least upon the screw being configured to be coupled to the component and to be screwed into the threads.

Abstract: A connecting device, in particular for connecting two components, includes a housing device, having an axial shaft portion delimiting a receiving space, and a radial flange portion having a screw through-passage terminating into the receiving space, wherein a face of the flange portion facing the shaft portion is a connecting wall, and a face of the shaft portion opposite the connecting wall is a fastening wall, wherein the axial shaft portion is adapted to be inserted into a through passage of a first component and a nut device is in particular axially displaceably and rotatably arranged in the receiving space, wherein the nut device can preferably only be inserted laterally into the receiving space.

Abstract: The present invention relates to a fastening device for fastening a first component to a second component, where the fastening device includes a spacer element which is configured for positioning the first component so as to be spaced apart from the second component in a first axis (Y) and for fixing the first component so as to be spaced apart from the second component, where the spacer element includes a stop surface which is used for supporting the fastening device on the second component, where the spacer element is integrally-formed, and a tolerance element which is configured for movably receiving the spacer element in the first direction (Y) and for compensating tolerances between the first component and the second component in a second axis (X) and in a third axis (Z), where the tolerance element is integrally-formed.

Abstract: Disclosed is a camera mounting apparatus for a vehicle that attaches the camera to the vehicle, isolates the camera from vibration at the mounting points, and accommodates thermal expansion and contraction of the vehicle and the mounting structure. The apparatus includes a camera mounting beam coupled to the camera, and one or more elastomeric vibration isolators coupled to an attachment device and coupled to the camera mounting beam. The apparatus also includes a spherical bearing coupled to the attachment device, wherein the spherical bearing is configured to accommodate misalignment of the attachment device, and one or more spring washers to generate a force holding the one or more elastomeric vibration isolators and spherical bearing in positions.

Abstract: The present invention provides a floating nut, a battery assembly and a vehicle. The floating nut comprises a limit box defining a cavity located therein and a nut body which comprises an axially extending body and a flange radially extending from one end of the body, wherein the size of the flange is configured to adapt to fit within the cavity; and an outer contour of the flange is configured in the shape of a parallelogram, and the parallelogram is configured to have diagonal lines of unequal lengths. The floating nut, the battery assembly and the vehicle of the present invention have the advantages such as being simple in structure, easy to manufacture and convenient for installation, can be used in a limited space, and can reduce the risk of failure.

Abstract: Push nuts for cars, comprising a head having a member contact surface formed protruding in left and right sides, and having a fastening hole formed penetrating at the center; and a body having formed penetrating at the center, a fastening hole having the same inner diameter and center as the fastening hole which is formed at the head, characterized in that the body and the head are connected to a connecting bridge that elastic deformation is performed outwards, and the head and the body connected with the connecting bridge respectively have a head axial force support and a body axial force support formed protruding toward a space, the head axial force support and the body axial force support having fastening holes having the same center as the fastening holes respectively formed penetrating.

Abstract: A nut holder assembly for use in bolting an attachment to a slotted supporting member by bolts received in a one of a respective nuts included in the nut holder assembly.

Abstract: A cage nut fastener, capable of installation against a frame member without the aid of tools, includes a spring cage and a nut retained within a space defined by the spring cage and prevented from rotation therein. The spring cage includes a back wall with a wall aperture therethrough, a cage arm extending in a forward direction from a side of the back wall, and a lever arm disposed at a side of the back wall that is opposite the cage arm. The nut includes a nut aperture therethrough that is generally aligned with the wall aperture of the back wall. The lever arm includes an extension portion that extends in a rearward direction behind the back wall of the spring cage.

Abstract: A locking nut (10) and washer (12) for use with a threaded bolt. The locking nut (10) has a tool engaging portion (14), a threaded aperture (20), and a washer engaging portion (18). The washer (12) has a locking nut engaging portion (28, 36) and an aperture (32). When the washer engaging portion (18) engages the locking nut engaging portion (28, 36), the threaded aperture (20) and the aperture (32) align to be at least substantially concentric so as to receive the threaded bolt. In this manner, when the tool engaging portion (14) is appropriately manipulated to force the locking nut (10) in a first direction along the threaded bolt, the engagement between the tool engaging portion (14) and the locking nut engaging portion (28, 36) also causes the washer (12) to move along the threaded bolt in the same direction.

Abstract: A clamp for a socket assembly is disclosed. The clamp comprises an upper plate, a lower plate arranged parallel to the upper plate, and a pressing section connected to the upper plate. The upper plate is capable of being pressed toward the lower plate.

Abstract: A cage nut and a method of installing a cage nut include a nut with a tubular body and a flange, and a nut support having a nut cage for receiving the nut. The nut support includes a tubular portion wherein an external surface of the tubular portion includes longitudinal splines having a diameter smaller than a diameter of a bore of a workpiece, and at least two longitudinal ribs having a diameter greater than the diameter of the bore.

Abstract: A block and bolt connector comprises a block having an aperture with a lower opening and an upper opening which is smaller than the lower opening. The aperture extends through the block from the lower opening to the upper opening, and has a first portion and a second portion. A bolt has a head portion which passes through the lower opening but not the upper opening, and a shaft which may pass through the lower opening and the upper opening. The head portion of the bolt is received within aperture of the block and the shaft extends at least partially outside of the block beyond the upper opening. The first and second portions of the aperture are configured so as to permit selected movement of the bolt within the aperture relative to the block.

Abstract: A cage nut fastener, capable of installation against a frame member without the aid of tools, includes a spring cage and a nut retained within a space defined by the spring cage and prevented from rotation therein. The spring cage includes a back wall with a wall aperture therethrough, a cage arm extending in a forward direction from a side of the back wall, and a lever arm disposed at a side of the back wall that is opposite the cage arm. The nut includes a nut aperture therethrough that is generally aligned with the wall aperture of the back wall. The lever arm includes an extension portion that extends in a rearward direction behind the back wall of the spring cage.

Abstract: Methods for attaching clips to decking. The clip includes a bottom and a removable top insert. The clip has a bottom made from a material that is different than the material used for the top. The clip has a generally T shape in a side view with a central bore passing through the top member and the bottom member to receive a screw or other fastening member, and a plurality of apertures through the top surface of the bottom member that engage the top member. The body of the bottom member has a transverse planar upper member and at least one perpendicularly positioned planar lower member or keel. The deck board fastener can also have a lip that projects upward from the upper surface of the transverse planar member. The lip can be positioned about an exterior edge of the transverse planar member or along the upper surface.

Abstract: A nut configured to threadably engage an external thread of a bolt is provided. The nut generally comprises an upper portion that defines a first thread, a lower portion that defines a second thread, and a sidewall portion that connects the upper portion and the lower portion. The upper portion may be separated from the lower portion by a gap, and the sidewall portion may include a first sidewall spaced apart from a second sidewall.

Abstract: A multi-purpose stud mounting apparatus is provided to mountably and detachably couple a threaded mounting stud of a motor vehicle body or internal combustion engine and a functional component, such as an air filter housing air intake duct or air intake resonator so as to releaseably and supportively mount the functional component to the vehicle.

Abstract: The present invention is a clip for use with a strut that at least partially surrounds a hanger rod for the purpose of providing stiffness to the hanger rod. The clip includes a handle portion, a rod-clamping portion, and a fulcrum spaced away from the handle portion. The fulcrum is for being mounted to the strut. The rod-clamping portion is for forcing the hanger rod into tight engagement with an engagement surface of the strut in response to the handle being actuated to an operational position. The present invention also relates to a hanger rod stiffening system that uses a clip and a strut, whereby a handle of the clip is actuated to force a rod-clamping portion of the clip into tight engagement with an internal surface of the strut.

Abstract: The present invention is a clip for use with a strut that at least partially surrounds a hanger rod for the purpose of providing stiffness to the hanger rod. The clip includes a handle portion, a rod-clamping portion, and a fulcrum spaced away from the handle portion. The fulcrum is for being mounted to the strut. The rod-clamping portion is for forcing the hanger rod into tight engagement with an engagement surface of the strut in response to the handle being actuated to an operational position. The present invention also relates to a hanger rod stiffening system that uses a clip and a strut, whereby a handle of the clip is actuated to force a rod-clamping portion of the clip into tight engagement with an internal surface of the strut.

Abstract: A fastening assembly includes a body and a retaining device. The retaining device is secured to the body for placement along a surface. The body is configured to flex between a relaxed state and a compressed state. The body is compressed between two external surfaces in a compressed state to maintain the alignment and position of the retaining device without the fastener. The flexure of the body causes the body to exert an outward spring force against the external surfaces sufficient to maintain the location of the retaining devices before insertion of a fastener. The fastening assembly includes the fastener for insertion into the retaining device.

Abstract: A fastener for superimposing and fastening two sheets of plate-like members, wherein at least one of the plate-like members has a hole formed therein, includes a pair of U-shaped accommodating portions adapted to be inserted with end portions of the two sheets of plate-like members; a pair of connection portions respectively connecting the pair of accommodating portions; a pair of engagement pieces extending from the pair of connection portions in an insertion direction of the plate-like members; an engagement portion formed in each of the pair of engagement pieces, adapted to engage with the hole; and a wobbling suppressing mechanism disposed adjacent to the pair of engagement pieces, and extending from each of the pair of connection portions in the insertion direction of the plate-like members for engaging with the hole.

Abstract: A fastening arrangement for fastening an aircraft interior-trim component to an aircraft structural element, including a pin, including a first coupling element having a bearing-contact face portion, wherein the first bearing-contact face thereof has an engagement projection provided to engage with an opening in the surface of the aircraft interior-trim component. An engagement surface of the bearing-contact face portion includes an engagement element arrangement and includes a spacer fixable relative to the aircraft structural element. An engagement face is provided with an engagement element arrangement and includes a through-bore. When the engagement surface of the coupling element is in bearing contact with an engagement face of the spacer, the coupling element and the spacer cannot be displaced with respect to each other in the plane of the engagement surface, and engagement of the engagement elements arrangement is possible in relative positions of the engagement surface and the engagement face.

Abstract: This disclosure generally relates to integrated grounding for solar modules and electrical wire management, and more specifically, to grounding clips and tabs that are integrated into solar module racking systems.

Abstract: A fixing unit for a fastening device to fix a first vehicle component to a second vehicle component is disclosed. The fastening device includes a plate element fixed to a coupling section on an essentially flat surface of the first vehicle component. A threaded stud extends from the plate element and is configured to be arranged in a receptacle of a second vehicle component.

Abstract: Disclosed is a tubular expansion tool which includes a plurality of stackable piston/slip/spring assemblies that are used to radially expand a liner against well casing along a longitudinal distance “L.” The pistons are repeatedly stroked a short distance “S” with the application of hydraulic pressure. As the pistons are stroked, they move a mandrel-expansion die sub assembly in successive steps a distance “S” to perform the tubular expansion over a longer distance “L.

Abstract: An assembly for a console of a vehicle including a main body, a first hook connected to the main body wherein the hook is positioned adjacent and spaced apart from a second hook. A duct member having an aperture connects to the first hook and the second hook. During installation of the duct portion the aperture is first angled and positioned over a first hook then rotated downwards over the second hook wherein the second hook includes a ramped portion. The duct portion is snapped into place and is secured tightly over both the first hook and the second hook. During installation and rotation of the duct portion over the first hook and the second hook, the first hook and the second hook resiliently bend towards each other in compression and are relaxed once the aperture is fully over the first hook and the second hook.

Abstract: A tolerance compensator for a vehicle frame includes a base member having an upper portion in keyed engagement with a roof structure. The tolerance compensator also has an extension member that is threadably coupled with a lower portion of the base member. A fastener extends up from a body-side structure to threadably engage and move the extension member down into contact with the body-side structure before threadably engaging the base member.

Abstract: A lug for a torque converter includes a first radial segment, a second radial segment, and an axially extending connector segment. The first radial segment has a first aperture and respective first and second circumferential ends. The second radial segment has a second aperture aligned with the first aperture, a third circumferential end fixed to the first circumferential end, and a fourth circumferential end fixed to the second circumferential end. The axially extending connector segment joins the first and second radial segments. In an example embodiment, a pre-formed blank for the lug includes a line of symmetry passing through the connector segment.

Abstract: A flexible clamp for plugging an aperture in a bone, including a plurality of flexible anchoring members, where each flexible anchoring member has a first end and a second end opposite the first end; a locking tab connected to the second end of each flexible anchoring member; and, a stabilization member slidingly engagable with the flexible anchoring members, wherein the stabilization member may be translocated from a position adjacent the first ends of the flexible anchoring members to a clamping position adjacent the second ends of the flexible anchoring members. The locking tabs engage an inner surface of the bone and the stabilization member engages an outer surface of the bone when in the clamping position. The flexible clamp further includes a ratcheting mechanism associated with each flexible anchoring member, and a plurality of pawl mechanisms formed within the stabilization member which lockingly engage with each of the ratcheting mechanisms.

Abstract: Cage nut for installation in an elongate, preferably rectangular opening which is only accessible from one side, comprising a nut body with a cylindrical internal thread carrier having an internal thread and an abutment part attached thereto, and a cage encompassing the nut body, wherein the abutment part is adapted to the shape of the opening and has a slightly smaller width and a slightly shorter length than the opening, although the length of the abutment part is significantly greater than the width of the opening; the cage is configured resiliently and is adapted to the shape of the opening such that it can be clipped into the opening and the cage supports stop elements which only allow a rotation of the abutment part with respect to the cage in the screwing-in direction of the internal thread from an installation position parallel to the longitudinal direction of the cage into a retaining position approximately perpendicular thereto.

Abstract: An attachment system for two members includes a primary attachment device and a secondary attachment device for connecting the two members. When damage to the primary attachment device occurs, the secondary attachment device can be used to connect the two members without having to repair the primary attachment device.

Abstract: A window hardware anchor formed from a base and a pair of walls defining a central channel therebetween. The walls each form a spreadable projection at the end opposing the base and combine to define an anchor head. A pair of shoulders are attached in opposing relation on the outside of different walls, such that when a fastener is received in the central channel, the head and the shoulders laterally displace to form a stable attachment platform for desired window hardware.

Abstract: A supporting apparatus, configured to support a heat dissipating device, includes a bracket, two adjusting structures, and two mounting portions. Each of the two mounting portions defines a mounting hole. Each of the two adjusting structures is engaged in each of the mounting holes and includes an adjusting member and an installation member engaged with the adjusting member. Each of the adjusting members defines a through hole. The two adjusting members are rotatable relative to the two mounting portions from a first position to a second position. When the adjusting members are in the first position, a first line is running through the two through holes. When the adjusting members are in the second position, a second line is running through the two through holes, and a length of the first line is less than a length of the second line.

Abstract: A fastening element for fastening a base plate on a substructure having a web-shaped edge region includes a rotary drive and a screw spring element formed from a spring wire. A rotational axis of the rotary drive and a spring axis of the screw spring element are coaxial. The fastening element having a shank to which the screw spring element is fastened with a first end of the spring wire. The screw spring element is rotated about the spring axis via the rotary drive. The opposite free end of the screw spring element having, as a threading aid, a pitch widening which grips the web-shaped edge region of the substructure upon rotation and clamps the edge in the screw spring element upon further rotation.

Abstract: A device for securing a panel or the like to a mounting stud having external teeth includes an annular first body having an inner periphery and at least one lock finger extending from such inner periphery. An annular second body has a center opening, at least one lock opening spaced from the center opening for receiving the lock finger to lock the first and second bodies together, and at least one leg extending inwardly overlying the center opening for engaging the external teeth on the mounting stud. The second body is adapted for assembly to the first body with a panel or the like between the bodies such that the center opening can be mounted over the mounting stud with the at least one finger engaging the teeth on the mounting stud to prevent removal.

Abstract: The invention relates to a captive retaining means for a fastening screw (5) on an oil sump (1), said fastening screw passing through a penetration opening (4) in the oil sump (1), wherein the oil sump (1) can be arranged with respect to a gearbox housing or engine housing in such a manner that the penetration opening (4) is approximately aligned with a connection opening in the engine housing or gearbox housing, and that the fastening screw (5) is insertable into the connection opening, wherein the captive retaining means comprises at least one clamping bushing (16) which engages non-positively around a threaded stem (6) of the fastening screw (5), wherein the clamping bushing (16) is inserted directly into the penetration opening (4) and is fixed axially therein, and wherein the clamping bushing (16) is mounted in a floating manner in the circumferential direction in the penetration opening (4).

Abstract: A fastener is fixed to a body panel by inserting a second portion of a clip and the body panel between a flange-shaped head and deformed bulge created by crimping a blind rivet inserted into a mounting hole in the body panel. Afterwards, when a fender panel is inserted between a first portion and the second portion of the clip, pressure is applied to the inserted fender panel from above and below by ribs and on the first and second portions, thereby clamping the fender panel between the first and second portions, and fixing the fastener to the fender panel. The fastener is positioned inside an anti-rotation depression in the body panel.

Abstract: A fastening assembly includes a body and a retaining device. The retaining device is secured to the body for placement along a surface. The body is configured to flex between a relaxed state and a compressed state. The body is compressed between two external surfaces in a compressed state to maintain the alignment and position of the retaining device without the fastener. The flexure of the body causes the body to exert an outward spring force against the external surfaces sufficient to maintain the location of the retaining devices before insertion of a fastener. The fastening assembly includes the fastener for insertion into the retaining device.

Abstract: A fastener housing for securing a bumper fascia to a fender panel includes a shank portion, a skirt portion, and an arm portion. The shank portion includes a first end and an opposite second end and a throughbore extending from the first end to the second end. The shank portion has a widened cross sectional shape which avoids rotation upon insertion into the connection portion of the bumper fascia or fender panel. The skirt portion extends radially from the first end of the shank portion. The arm portion includes a proximate end connected to the skirt portion and a distal end having a protrusion extending generally normal from the arm portion.

Abstract: A device for clamping a scale to an attachment face of a support, the device including a securing element and a clamping element that is secured to a support by the securing element. The clamping element includes a first spring element that is resilient in a first direction toward an attachment face of the support, wherein the first spring element introduces a first clamping force on a scale in a direction of the attachment face. The clamping element further includes a second spring element that is resilient in a second direction that extends perpendicular to the first direction and wherein the second spring element introduces a second clamping force onto the scale in the second direction.

Abstract: A nut plate assembly includes a nut retainer and a bushing for expanding a tubular body of the retainer. The retainer assembly is used to cold work an opening of a workpiece in order to fix the nut retainer assembly relative to the workpiece. A nut can be snapped into the retainer. A method of installation includes passing a mandrel through the bushing to radially expand the bushing into a tubular body of the retainer. The tubular body is compressed between the workpiece and bushing as the bushing is displaced radially causing corresponding radial displacement of the tubular body. The expanded bushing applies pressure to the tubular body for a desired fit between the nut retainer and workpiece.

Abstract: A fastener includes an insert mounted in an oversized elongated aperture of a metal panel. The insert has a tubular body of lesser outside dimension than the aperture, and a hollow interior receiving a threaded stud projecting from the component. The tubular body has a flexible lip engaging the panel and first and second retaining fingers having first shoulders engaging the bottom surface of the panel and second shoulders engaging with opposed parallel extending sidewalls of the aperture to prevent rotation of the tubular body. First and second biasing fingers project from the tubular body to engage opposed curved end walls of the aperture to a bias the tubular body within the aperture as allowed by sliding of the second shoulders along the opposed parallel extending sidewalls. A plurality of ratchet fingers extends into the hollow interior to engage the stud when the stud is installed into the insert.

Abstract: The invention relates to a fastening element (1) for vehicle parts (5), in particular for fastening a heat shield to a bolt shaped fastening means (13) of a vehicle body, preferably an underbody of a motor vehicle, comprising a claw disk (2) and a spring washer (3), held at claws (2.1) of the claw disk, wherein the claw disk (2) comprises an opening (6) and the spring washer (3) can be interlocked with a bolt shaped fastening means (13), wherein the claw disk (2) comprises at least one clip element (8), associated with the opening (6) and oriented away from the spring washer (3), wherein the at least one clip element (8) is configured for insertion through an opening (7) in the vehicle part (5) or in the heat shield, and wherein the at least one clip element (8) comprises an undercut (10) for interlocking the rim portion of the opening (7) of the vehicle part (5) or of the heat shield.

Abstract: A nut plate assembly includes a nut retainer and a bushing for expanding a tubular body of the retainer. The retainer assembly is used to cold work an opening of a workpiece in order to fix the nut retainer assembly relative to the workpiece. A nut member can be snapped into the retainer. A method of installation includes passing a mandrel through the bushing to radially expand the bushing into a tubular body of the retainer. The tubular body is compressed between the workpiece and bushing as the bushing is displaced radially causing corresponding radial displacement of the tubular body. The expanded bushing applies pressure to the tubular body for a desired fit between the nut retainer and workpiece.

Abstract: A cage nut includes a substantially rectangular base portion, two sidewalls, two stopper portions, two arm portions, two clamping portions, and a nut. The sidewalls extend from two opposite edges of the base portion. Each stopper portion extends from an end of a corresponding sidewall away from the base portion. The two stopper portions extend toward each other. Each arm portion extends outwardly from an end of a corresponding stopper portion. Each clamping portion extends from an end of a corresponding arm portion and includes a first side edge and a second side edge. The first side edge and the second side edge are arranged in an angle. The angle is equal to or less than about degrees. The clamping portions extend away from each other. The base portion, the two sidewalls and the two stopper portions define a receiving space. The nut is received in the receiving space.

Abstract: A bracket nut for coupling a fastener to a sheet member is provided. The sheet member defines a first plane and the bracket nut defines a second plane, which is at an offset angle to the first plane. The sheet member defines a first hole substantially perpendicular to the first plane, and the bracket nut is configured to mate with the first hole. A second hole is defined in the bracket nut and is substantially perpendicular to the second plane. The second hole is configured to accept the fastener. The offset angle may be between approximately thirty to approximately sixty degrees. The bracket nut may include a first cantilevered arm and a second cantilevered arm. The first cantilevered arm and the second cantilevered arm are configured to prevent rotation about the first hole.

Abstract: A fastener includes an insert mounted in an oversized elongated aperture of a metal panel. The insert has a tubular body of lesser outside dimension than the aperture, and a hollow interior receiving a threaded stud projecting from the component. The tubular body has a flexible lip engaging the panel and first and second retaining fingers having first shoulders engaging the bottom surface of the panel and second shoulders engaging with opposed parallel extending sidewalls of the aperture to prevent rotation of the tubular body. First and second biasing fingers project from the tubular body to engage opposed curved end walls of the aperture to a bias the tubular body within the aperture as allowed by sliding of the second shoulders along the opposed parallel extending sidewalls. A plurality of ratchet fingers extends into the hollow interior to engage the stud when the stud is installed into the insert.

Abstract: A fastener for securing an undercover panel to an underside of a vehicle is disclosed. The fastener includes a body having a bore for receiving a threaded bolt extending from the underside of the vehicle, a flange for engaging a first side of the undercover panel, a plurality of resiliently deformable engaging fingers for allowing insertion of the bolt into the bore and to resist removal of the bolt from the bore, and a plurality of resilient engaging members for enabling the engaging members to pass in a first direction through an aperture in the undercover panel, and to resist removal of the fastener from the panel. A plurality of reinforcing members extend from the body to engage a respective engaging member, as a result of forces urging said undercover panel towards the underside of the vehicle, to resist flexing of the engaging members away from the body.

Abstract: A piercing fastener is attachable to a panel without a hole by penetrating its surface. The fastener further includes means for attachment of a device to it so that the fastener acts as an intermediate component attaching the device to the panel. The fastener has either male or female attachment means and further includes an outside surface extending from a top end to a bottom end. Near the bottom end, a reinforcement collar includes an annular top surface for receiving a downward pressing force to install the fastener into the panel. A displacer and undercut are located immediately below the collar to effect and receive a cold flow of deformed panel material to secure the fastener to the panel. A plurality of axially extending circumferential teeth are located immediately below the undercut and comprise triangular knurls with sharp edges which penetrate the sheet as the fastener is applied. The bottom of the fastener terminates in a sharp circular cutting edge for penetrating the panel.

Abstract: A fastener housing for securing a bumper fascia to a fender panel includes a shank portion, a skirt portion, and an arm portion. The shank portion includes a first end and an opposite second end and a throughbore extending from the first end to the second end. The shank portion has a widened cross sectional shape which avoids rotation upon insertion into the connection portion of the bumper fascia or fender panel. The skirt portion extends radially from the first end of the shank portion. The arm portion includes a proximate end connected to the skirt portion and a distal end having a protrusion extending generally normal from the arm portion.

Abstract: The one-piece cage for fixing device to an object by screwing blind to a plate or the like perforated by a square mounting hole, of the kind including that cage and, therein, a threaded part adapted to cooperate screw-fashion with a complementary threaded part to assure the required fixing, and comprising four identical radial lugs extending in two orthogonal diametral directions and whose profile is such that the resulting cross-shape can be inserted with a small clearance into the square hole, which cage is adapted to be inserted with a small clearance into the mounting hole and to bear on the edges of that hole at the end of the introduction of the cage therein, and is characterized in that it takes the general form of an elastically deformable U-shape having four lugs angularly offset at 90° to each other and adapted to receive contiguously between them the four lugs of the threaded part, the lugs being connected in pairs by two symmetrical bridges adapted to bear on the edges of the hole.