Abstract: The subject disclosure relates to a water-tight sealed stud assembly for high current applications. The water-tight sealed stud assembly can include a stud, a sealing ring, a sleeve, and a body. The stud may have a stud base and a thickened portion having an annular groove. The sealing ring may be disposed in the annular groove. The sleeve may be disposed circumferentially around the stud and made of a conductive material. The body may be disposed circumferentially around the sleeve and made of a non-conductive material. Systems and methods are also provided.

Abstract: An assembly includes a first and a second member, where the second member has a fork-shaped cross section with a main body and two substantially parallel walls that each comprise at least one through hole and the first member is arranged between the two walls of the second member, having a through hole. The through hole of the first member and the through holes of the second member define a channel. A connector is axially insertable in the channel to an end position and consecutively expandable radially relative to said channel, to connect the first and second member relative to each other. The connector, in an expanded state thereof, pushes the first member against the main body of the second member to define a pre-tensioned connection between the first member and the second member. A method of assembling a first and a second member.

Abstract: The present invention concerns a removable sleeve (1) intended for being positioned on a fixing screw and produced from an elastically deformable material, characterised in that it has: a first cylindrical portion (5) with a constant internal diameter substantially equal to the external diameter of the shaft of said screw, this portion being extended by a second flared cylindrical portion (7) provided on the external peripheral surface of same with at least first and second axially separated rings of lugs (8, 9), an axial insertion slot (10) extending over the entire height of said sleeve (1) and wide enough to allow it to be mounted on the shaft of said screw and to be held there, at least one partial axial slot (11?) extending over a portion of the height of said sleeve (1) from the flared end of same.

Abstract: A module connection structure includes a first module, a second module connected to the first module via connectors, and fixing members that fix the second module to the first module. The fixing members are movable between a fixed position at which the second module is inseparable from the first module and an unfixed position at which the second module is separable from the first module. At least one of the first module and the second module has fixing member holders that hold the fixing members located at least at the unfixed position.

Abstract: The present disclosure provides a fastener that has a body that has an axis. The body comprises a head portion and at least one body portion projecting from the head portion. The at least one body portion has an actuating surface portion and is arranged such that at least a part of the at least one body portion is urged away from the axis when an actuating member is received along the axis and urges against the actuating surface portion. The at least one body portion has a substantially flat surface portion facing away from the axis.

Abstract: Expanding wall anchor, comprising (i) a threaded longitudinal body formed as a single piece with an expansion cone at one of its ends, this cone being connected to the rest of the body by a cylindrical portion of diameter d1 smaller than the nominal diameter D of the body, and (ii) an expanding sleeve of thickness e mounted around the said cylindrical portion of the body and through which the expansion cone is intended to be moved in order to deform the sleeve and anchor the wall anchor in a hole in a support material, characterized in that the ratio d1/D is greater than or equal to 60% and the ratio e/d1 is greater than or equal to 22%.

Abstract: A sliding sun visor for use in a vehicle is disclosed. The sun visor includes a first and second visor body shell. At least one of the shells having a retaining channel for engaging and retaining a floating carrier on a visor pivot rod. It is also contemplated that the sun visor may have a snap in vanity system and rotating pin on a D-ring associated therewith. The visor body also may include a wire routing option to route a wire from the electrical system of a vehicle to a light bulb in a vanity.

Abstract: The invention relates to a fixing element (1) for anchoring in an undercut drilled hole. The fixing element (1) has a shank portion (2) and an expansion element (3), there being arranged on the shank portion (2) an expander body (8) for expanding the expansion element (3) and a load-application means (7). The expansion element (3) is sleeve-like, having at its end that is at the rear in the direction of introduction (E) a ring-shaped main body (13) at the introduction end of which there is arranged an expansion lobe (10) having an opening (17).

Abstract: A stabilizer assembly adapted for quick connection to and disconnection from an archery bow includes a mounting base adapted for connection to the archery bow, a locking member and a stabilizer body. The mounting base is generally cup-shaped and includes a rear wall that is adapted for connection to the archery bow and a continuous side wall that extends from the rear wall to form an internal space. The locking member includes an expanding collar that is adapted to be received into the internal space. The stabilizer body has a vibration dampening section and a connecting section. The connecting section is insertable into the expanding collar to thereby cause the collar to expand and releasably connect the stabilizer body to the mounting base.

Abstract: The present invention pertains fasteners with critical configuration of the barbs, which allows the fasteners to be used in slots of various widths and panels of various thicknesses, and prevents rattling, which would take place in the case of fasteners of the present state of the art. The critical configuration is based on the special dimensions and special shape of the barbs with regard to the parts and the slots involved in assemblies of the fasteners and the parts. The present invention also pertains assemblies of miscellaneous parts connected together by means of the fasteners, as well as vehicles comprising such assemblies. In addition, the present invention comprises fasteners providing a combination of low barbs and high bent barbs, which combination prevents rattling of the fastener and allows secure attachment on a part, such as a sheet metal, for example.

Abstract: The dowel's expansion bushing (2) is placed around a threaded rod (9) inserted in the bushing's (2) expansion core (3), between the strut (8) and the core (3). The bushing (2) includes a section (16) compressible along its centerline, which includes a shearing system (24) placed such that, after shearing, the bushing (2) is shortened along its centerline. The bushing also includes, on its section (25) next to the strut (8), coupling and axial holding spurs (50). The bushing (2) is composed of a cut sheet metal blank, rolled on itself, except for the part with the spurs (50).

Abstract: This invention relates to a fastener, which expands by the insertion of an expanding member, preferably a screw. The fastener comprises a substantially flat head and two expandable legs. The head has an upper side and a lower side, preferably separated by a gap. The head has also a hole on the upper side in which the screw engages. Further, the screw engages in other locations of a critical portion of the rest of the body of the fastener, thereby increasing considerably the prevailing torque required to render the screw loose, the pulling force required to break the fastener or otherwise pull the screw out of the engageable hole of the upper side of the head, as well as the stripping torque.

Abstract: A Spring fastener with critical configuration of the barbs, which allow the extraction of the fastener without destruction of the slot and/or the fastener. This critical configuration of the barbs allows spring fasteners to be used in slots of various widths and prevents rattling, which would take place in the case of spring fasteners of the present state of the art. The critical configuration is based on the special dimensions and special shape of the barbs with regard to the parts and the slots involved in assemblies of the spring fasteners and the parts. Assemblies of miscellaneous parts connected together by means of such spring fasteners, as well as vehicles comprising such assemblies may be made.

Abstract: A device for assembling two panels and formed by a male part (1) and a female part (2), designed to be inserted into bores provided in these panels, the female part being constituted by an elastically deformable clip (2) provided with a cap (20). The cap (2) is itself elastically deformable, so as to prevent any play between the panels.

Abstract: The present invention is directed to developments in the fields of dentistry and dental surgery, and particularly to an improvement in dental restoration apparatus. Typically, apparatus of this type includes an implant adapted to be implanted in an anchor site fashioned within the bone of the jaw of the patient. In addition, the apparatus includes an abutment ultimately providing support for a tooth restoration. Finally, the apparatus includes a fastener assembly for engaging both the implant and abutment in their mounted orientation, and securing the two structures together in a manner to positively resist relative movement both axially and rotationally.

Abstract: An improved expansion screw and particularly an expansion screw for securely anchoring on various types of solid walls and hollow walls mainly includes a bolt and a nail tube. The nail tube has a front end fastened to a nut, a middle portion formed at least one expansion section which has carved slots formed thereon in an annular manner, and at least one -shaped slot formed annularly between the nut and the expansion section. Each -shaped slot has an expansion flap located therein. Every two neighboring -shaped slots are bridged by a longitudinal connection strip to form a bend section. When the bolt nut at the front end of the bolt is turned and driven to generate an inward compression, the expansion flap is forced to extend outwards and overlap with the annular ring at the front end of the nail tube, and the longitudinal connection strip is bent outwards on the bend section to form a double compression on the inner side of a construction hole in a wall to form a secured coupling.

Abstract: A fastener having a head and two expandable legs. The fastener further has a Y-shaped funnel configuration, which has been formed by a partial cut of the legs. The sides of the Y-shaped funnel comprise inwardly bent portions which are designed to extend into the slot of an object. The bent portions produce jamming and clamping when an expanding member is inserted through a hole on the head, resulting to highly improved pulling force. The fastener may be used in slots of different widths and may be pulled easily out of the slots, if so desired, in contrast with the fasteners of the present state in the art. Further, the fastener may be used in vehicles to connect one or more parts together.

Abstract: A fastener subassembly for being driven by a power actuated tool comprises a flute having a body and a pin having a tip for being driven into a substrate. The body of the flute has a longitudinal axis, a muzzle loading end, a mounting end, and a hollow bore. The pin is mounted in the bore with its tip proximate the mounting end, such that the tip is protected from pressure between the fastener subassembly and the substrate prior to driving. The mounting end of the flute has wings that extend radially outwardly. The wings allow the subassembly to be mounted in a hole in any suitable member that needs to be attached to a substrate while holding the pin substantially perpendicular to the substrate during driving.

Abstract: The dowel's expansion bushing (2) is placed around a threaded rod (9) inserted in the bushing's (2) expansion core (3), between the strut (8) and the core (3). The bushing (2) includes a section (16) compressible along its centerline, which includes a shearing system (24) placed such that, after shearing, the bushing (2) is shortened along its centerline. The bushing also includes, on its section (25) next to the strut (8), coupling and axial holding spurs (50). The bushing (2) is composed of a cut sheet metal blank, rolled on itself, except for the part with the spurs (50).

Abstract: A compression limiter formed by a roll forming process includes a substantially cylindrical body portion and a plurality of feet. A plurality of notches are stamped along a lower edge of a flat sheet of stock and bent to form the plurality of feet. The flat sheet of stock is then rolled to form the compression limiter. In the preferred embodiment, the compression limiter is formed of a high carbon steel. The plurality of feet of the compression limiter transmit the bolt load of a fastener attaching a plastic intake manifold to a component. In an alternative embodiment, an angled portion attaches each foot to the body of the compression limiter which accommodates for variations in the height of the plastic intake manifold.

Abstract: An expandable body of expansion bolt comprises an upper section having a hollow upper circular member including a cut and a connection member coupled to the upper section, and a hollow lower circular member including a cut and a dent with the connection member received therein; a middle section having a plurality of parallel longitudinal slots; and a lower section having a plurality of substantially rectangular members on a lower portion. In operation, a piece of object is fastened between lower portion of the lower section and the middle section by driving the bolt in response to an insertion of the bolt through the body and the piece of object. A variety of configurations of upper section and circular members are provided for enhancing the positioning of the expandable body and guiding of the thread of bolt.

Abstract: A bolt fixing assembly comprises a bolt body, a resilient sleeve, and a pressing member. The bolt body includes a head and a shank. The resilient sleeve includes plural toothed plates integrally formed on an outer periphery thereof. Each resilient toothed plate is initially located in an interior space of the resilient sleeve and movable along a radially outward direction to a position beyond the outer periphery of the resilient sleeve. The pressing member includes a central hole for receiving the shank of the bolt body. The central hole has an inner periphery configured corresponding to an outer periphery of the shank. The pressing member includes plural ribs for respectively, selectively urging the resilient toothed plates of the resilient sleeve to the position beyond the outer periphery of the resilient sleeve.

Abstract: An expansion anchor to be set in a bore of a constructional component and including an anchor member (1) having, at its end facing in a setting direction, an expansion region (5), a guide region (6) remote from the setting direction end of the anchor member (1), and a transition region (8) located between the expansion (5) and guide (6) regions and having at least one opening (10) and at least one salient tab (12) provided in a region of the opening; and a cone (3) for expanding the expansion region (5) of the anchor member (1).

Abstract: The invention relates to an expansible anchor (10) for anchoring in a cylindrical drilled hole (40). The invention proposes constructing the expansible anchor (10) with a tubular basic anchor part (12), on which a hollow conical expansion portion (22) is formed by means of a forming procedure, on which expansion portion (22) an expansion sleeve (14) bent out of sheet metal is mounted. As a result of axial displacement of the expansion sleeve (14) on the expansion portion (22), the expansible anchor (10) becomes anchored in the drilled hole (40). The expansible anchor (10) exhibits subsequent expansion behaviour in the event of widening of the drilled hole (40), for example as a consequence of crack formation.

Abstract: A wedge anchor has a shank with an expander section having a surface that forms an angle greater than 8° with respect to an axis of the shank. A plurality of longitudinal ribs project radially and outwardly from the expander section, extend along the axis of the shank, and are angularly spaced apart from each other. A tubular expansion sleeve is sleeved on a neck section of the shank adjacent to the expander section, and is formed with a plurality of axially extending slits for engaging the longitudinal ribs when the expander section is extended into the expansion sleeve.

Abstract: An expanding sleeve of an anchor is arranged around a threaded shank engaged in a plug for expanding the sleeve. The sleeve includes an axially compressible portion which includes portions that can be sheared and which are arranged so that after they have been sheared they allow the sleeve to be shortened axially. The sleeve consists of a cut-out sheet-metal blank rolled up on itself.

Abstract: This invention relates to a fastener, which expands by the insertion of an expanding member, preferably a screw. The fastener comprises a substantially flat head and two expandable legs. The head has an upper side and a lower side, preferably separated by a gap. The head has also a hole on the upper side in which the screw engages. Further, the screw engages in other locations of a critical portion of the rest of the body of the fastener, thereby increasing considerably the prevailing torque required to render the screw loose, the pulling force required to break the fastener or otherwise pull the screw out of the engageable hole of the upper side of the head, as well as the stripping torque.

Abstract: A device useful for supporting decorative light strings or other articles from a brick wall, the device having an expander, retainer, mounting clip for decorative bulb and socket assemblies, and threaded fastener, the expander being insertable into a mortar groove, the retainer having teeth adapted to engage bricks surrounding the mortar groove when the retainer is tightened against the expander by the fastener, and a mounting clip attached to the retainer.

Abstract: An expansion bolt assembly includes an elongated bolt body. The bolt body is formed with an externally threaded insert portion that is adapted to be inserted into a bore formed in a wall, and an anchoring portion that extends from the insert portion and that is adapted to extend out of the bore and to project from the wall. The anchoring portion includes an externally threaded shank and a turning unit. The turning unit is disposed on one end of the shank and is adapted to engage a tool for driving axial rotation of the bolt body. A washer is sleeved on the bolt body between the insert and anchoring portions, and is adapted to lie against the wall. A sleeve is sleeved on the insert portion and has a proximate section abutting against the washer, and a distal section opposite to the proximate section and formed with a plurality of axially extending slits. The sleeve cooperates with the insert portion to confine an annular expansion chamber therebetween.

Abstract: A three-sided, progressively-formed threaded fastener is comprised of a plurality of planar longitudinal faces intersecting at comer areas. Shank tabs extend downward from the bottom of each of the faces at the base of the fastener. Threaded regions along the inside surface of the planar faces are coined indentations applied during the formation of the fastener. A plurality of wedge-shaped protrusions extend downward from the comer areas at the base of the fastener. The combination of shank tabs and wedge-shaped protrusions form a clinch profile along the bottom of the fastener so that it may can be affixed to a sheet of metal by clinch fit.

Abstract: A fastener for connecting a first panel to a second panel comprises a head and a shaft, the shaft including a plurality of spring legs, each connected at one end to the head and flexing inward and outward relative to the one end. The shaft is dimensioned for insertion into an aperture of the second panel with interference against aperture-defining edges. A plurality of grooves are formed within each spring leg, each groove separated from an adjacent groove by a rib. The rib is configured having a ramped leading surface, a stepped trailing surface and a peak surface disposed between the leading and trailing surfaces. The grooves of one spring leg are axially misaligned with the corresponding grooves of an adjacent spring leg such that each spring leg alternately locks its grooves to the aperture-defining edges of the second panel as the shaft is inserted into the aperture. The head of the fastener can be modified to connect with the first panel in multitude of alternative configurations.

Abstract: A sealing fastener, which expands by the insertion of preferably a screw. The fastener comprises a substantially flat head and two expandable legs. The fastener has further an elastic body, especially a thermoplastic elastomer, molded at least on the lower side of the head by insert injection molding. The elastic body does not contain plasticizers which may be harmful to other plastics (such as polycarbonate and ABS for example) coming in contact with the fastener, all its surfaces are well defined, has well defined properties, and its dimensions are characterized by narrow tolerances.

Abstract: The expansion rivet consists of an expansion peg and a drive-in pin, which in the preassembled state of the expansion rivet are captively joined together. In its midsection, the expansion peg has an insertion hole adapted to the form of the drive-in pin, two lateral engagement wings projecting in opposite directions and two opposing spreader legs projecting downward at right angles. The preassembled drive-in pin protrudes slightly out of the expansion peg but is in engagement with the two spreader legs. When the drive-in pin is driven into the expansion peg, the spreader legs are forced apart by the drive-in pin to form a riveted connection.

Abstract: An expanding sleeve anchor structure includes a nail base tube cooperating with a tapered spreading member. The nail base tube has an upper section provided with a plurality of separating lines each having an elongated transverse hollow slot substantially centered thereon which is used for reducing the stress concentration of the upper section of the nail base tube when the upper section of the nail base tube is forced to expand outward resulting in complete expansion.

Abstract: This invention relates to a fastener, which expands by the insertion of an expanding member, preferably a screw through an engageable hole of the fastener. The fastener comprises a substantially flat head and two expandable legs. The head has an upper side and a lower side, preferably separated by a gap. The fastener has a hardness within a range which improves considerably the pulling force and allows the head of the fastener to be bowable upon applying said force on the expanding member, thus resulting in a gradual rather than abrupt failure. The engageable hole may be round or oblong. Additional engagement may be provided at lower portions of the fastener for improving pulling force and/or prevailing torque. Further, an elastic body may be integrally molded at least at the lower side of the head of the fastener, and preferably throughout the head of the fastener.

Abstract: A one-piece insert fastener adapted for securement within an aperture in a panel by a threaded member. The insert fastener includes a base having a top surface, a bottom surface and a pair of outwardly protruding wings. In one embodiment, the base additionally includes a single-threaded, helical edge which is shaped to define an opening. In another embodiment, the base additionally includes an internally threaded drawn barrel which is shaped to define an opening. The insert fastener also includes a pair of resilient, spaced apart legs which are formed on and protrude out from the base. Each of the pair of legs includes an outwardly angled upper section, an inwardly angled middle section and a lower section. In use, the insert fastener is disposed into the aperture in the panel until the pair of wings abuts against the outer surface of the panel. The threaded member is rotatably driven into the opening in the base, the threaded member engaging the base upon rotation.

Abstract: This invention relates to a fastener, which expands by the insertion of an expanding member, preferably a screw. The fastener comprises a substantially flat head and two expandable legs. The head has an upper side and a lower side, preferably separated by a gap. The head also has an oblong hole in which the expanding body engages for securing one object to another object. The oblong hole represents a plurality of regular generally round holes, so that it becomes easy for the fastener to be located in difficult positions of the objects to be connected. The oblong hole has sides on different planes, and each side has an edge. Preferably, at least one of the two edges contains arcs for better guidance of the expanding member. Additional engagement may be provided at lower portions of the fastener for improving pulling force and/or prevailing torque. Further, an elastic body may be integrally molded at least at the lower side of the head of the fastener, and preferably throughout the head of the fastener.

Abstract: A device useful for supporting decorative light strings or other articles from a brick wall, the device having an expander, retainer, hook and threaded fastener, the expander being insertable into a mortar groove, the retainer having teeth adapted to engage bricks surrounding the mortar groove when the retainer is tightened against the expander by the fastener, and a support hook attached to the retainer.

Abstract: An anchor bolt comprises a fixing rod (1), an expandable sleeve (2) and an expansion core (3) integral in translation with the fixing rod (1), intended to expand the sleeve (2). The sleeve (2) has a plurality of slots (9,9′) widening towards the free end of the sleeve (2), forming a plurality of expansion teeth (18-20) cooperating with the expansion core (3). The inner wall of the edge of the teeth (18-20) is blunt and the thickness of each tooth is bevelled to decrease towards the free end of the sleeve.

Abstract: A wedge anchor has a shank with an expander section having a surface that forms an angle greater than 8° with respect to an axis of the shank. A plurality of longitudinal ribs project radially and outwardly from the expander section, extend along the axis of the shank, and are angularly spaced apart from each other. A tubular expansion sleeve is sleeved on a neck section of the shank adjacent to the expander section, and is formed with a plurality of axially extending slits for engaging the longitudinal ribs when the expander section is extended into the expansion sleeve.

Abstract: A dowel for securing objects to construction elements, in particular gypsum plaster boards, has an expanding dowel body with an inner bore into which a fastening crew can be screwed. In an insertion front area, the dowel body is subdivided into at least two head segments buy a slot that starts at its front end. The dowel body also has a continuous necking in the front area of its outer surface. The dowel body further has at its rear end opposite its front end a stopping plate that extends transversely to the dowel longitudinal axis.

Abstract: A one-piece insert fastener adapted for securement within an aperture in a panel by a threaded member. The insert fastener includes a base having a top surface, a bottom surface, a pair of outwardly protruding wings and a single-threaded, helical edge which is shaped to define a opening. The insert fastener also includes a pair of resilient, spaced apart legs which are formed on and protrude out from the base. Each of the pair of legs includes an outwardly angled upper section, an inwardly angled middle section and a lower section. In use, the insert fastener is disposed into the aperture in the panel until the pair of wings abuts against the outer surface of the panel. The threaded member is rotatably driven into the opening in the base and is engaged by the helical edge.

Abstract: The fastener includes a stud with a post element, a cylindrical inner sleeve with inwardly extending half-hemispherical bosses immediately adjacent to outwardly extending half-hemispherical bosses, and a base element with a blind aperture. The inner sleeve is received within the blind aperture and the post element is received within the inner sleeve. The pressure exerted upon the insertion of the post element of the stud and the structure of the bosses cause the inner sleeve to cock into a locked position. The exposed edges of the inwardly extending half-hemispherical bosses of the inner sleeve engage the post element while the exposed edges of the outwardly extending half-hemispherical bosses of the inner sleeve engage the walls of the blind aperture in order to resist the subsequent withdrawal of the post element from the blind aperture.

Abstract: An insert for plastic sections is manufactured from a flat strip of metal by high-speed progressive die-stamping, which forms the strip into a threaded female insert. The metal strip is first cut into a flat blank and then thread regions are impressed on the face of the strip, providing a thread pitch profile. During the stamping operation, the strip is folded to form a triangular hollow tube with sharp-edged protrusions extending radially outward from each corner of the triangle. An interlocking side tab and interlocking cutout secure the abutting longitudinal side edges of the strip and ensures axial alignment of the thread regions. As a result of the folding and stamping process, the thread regions lie along the interior wall of the tubular construction and define a thread pitch diameter, which will accept the screw threaded into the center of the insert.

Abstract: An insert for plastic sections is manufactured from a flat strip of metal by high-speed progressive die-stamping which forms the strip into a threaded female insert. The metal strip is first cut into a flat blank and then thread regions are impressed on the face of the strip, providing a thread pitch profile. During the stamping operation, the strip is folded to form a triangular hollow tube with sharp-edged protrusions extending radially outward from each corner of the triangle. A tab and interlocking cutout secure the abuting longitudinal side edges of the strip and ensures axial alignment of the thread regions. As a result of the folding and stamping process, the thread regions lie along the interior wall of the tubular construction and define a thread pitch diameter which will accept the screw threaded into the center of the insert.

Abstract: An expansion anchor including a sleeve-shaped anchor body (1, 21, 31, 41) having a through-bore (6, 26, 36, 46), an expansion region (4, 24, 34, 44) with longitudinal slots (5, 25, 35, 45) and a rear section (2, 22, 32, 42) provided with a load application element (3, 23, 33, 43), and an expansion member (7, 27, 37, 47) located in the through-bore (6, 26, 36, 46) and axially displaceable in the through-bore (6, 26, 36, 46) for radially expanding the expansion region (4, 24, 34, 44), with the expansion member (7, 27, 37, 47) being formed as a sheet metal stamped part having, at least regionwise, a dimension exceeding a dimension of a portion of the through-bore (6, 26, 36, 46) associated with the expansion region (4, 24, 34, 44).

Abstract: A barrel nut type fastener (100) is provided for securement within an opening (20) to a panel ("P") by a threaded member ("T") that when rotationally advanced through the barrel nut causes free-ends (14) and (14') of resilient legs (10) and (10') to move away from each other and respectively engage and urge resilient fingers (16) and (16') into contacting engagement with opposite sides of opening (20) with sufficient force to secure fastener (100) to panel, ("P").

Abstract: An anchor for a bolt formed of a single strip of sheet metal includes a pair of opposed shell portions having helically aligned connecting strips. The shell portions extend from a bottom end of the anchor having a threaded sleeve for accepting the bolt. The free ends of the shell portions have tabs extending outwardly for engagement into the plate in which the member is being installed. The anchor is formed by first stamping a strip of metal and then bending the ends of the strip to form a cylindrical shell. Axially aligned tabs on the free ends extend into complimentary recesses to join the two shell halves together.

Abstract: A device for anchoring a threaded fastener in a drywall or blind hole is molded in one flat piece having two half cylinders joined by a thin frangible hinge. Each half-cylinder carries half of a threaded bore divided axially. When folded together the two half-cylinders form a cylindrical headed anchor with a continuously threaded passage extended part way to the hinge. A threaded fastener advances readily down the bore until the unthreaded portion is reached. The fastener, as it advances in that portion, forces the halves apart, rupturing the hinge and anchoring the device.

Abstract: The impact-type anchor (1) consists of a metal sleeve (2) provided with a throughgoing passage (3) tapering towards a leading end of the sleeve, into which bore an expander body (5) can be driven to expand the impact-type anchor. The throughgoing passage (3) has a rear cylindrical portion provided with an internal thread (4) as well as a tapering portion. So that the metal sleeve can be inexpensively manufactured while providing pull-out values that are the same as those of a metal sleeve made of solid material, the metal sleeve is stamped out of a sheet metal blank and then rolled up to form a sleeve which is joined at its seam. Furthermore, in order to form the tapering internal bore the expandable legs (7) have a first section (7a) that is bent inwards and a second section (7b) that is bent onto the outer face of the first section. The two sections (7a, 7b) resting one against the other are connected non-displaceably to one another, for example, by means of a punched point (9).