Abstract: A removable blind fastener includes: a body; a screw member; and a clamping member. The body includes a hollow cylindrical shaft with a proximal end and a distal end and a head at the proximal end, the head being hollow with an internal end face. The shaft has an open guide channel along a portion of its length and an urge channel opposite the guide channel located at the distal end of the shaft. The screw member has a threaded region that fits within the shaft and the screw member has a head at a proximal end that fits within the hollow head. The clamping member fits in the guide channel and has a threaded aperture for engaging with the threaded region of the screw member, such that rotation of the screw member causes the clamping member to move along the guide channel of the body.

Abstract: A fastener for attaching together layers of a substrate. The fastener includes a slide body, a bolt, a conical spring, and a toggle having a pivot coupled with one end of the slide body. The conical spring is disposed over a shaft of the bolt and the shaft is engaged within the slide body. The slide body and toggle are inserted into an aperture through the layers of substrate in a first configuration until the conical spring contacts a front face of the layers of substrate. Compression of the conical spring against the front face advances the toggle a clearance length out of the aperture on a back face of the layers of a substrate such that the toggle can switch to a second configuration that prevents retraction through the aperture. Extension of the conical spring automatically engages the toggle with the back face of the substrate to prevent rotation of the slide body within the aperture.

Abstract: An anchor assembly for walls comprises a toggle member and a strap member pivotally mounted together, and a locking member. In a first position, the toggle member is aligned with the strap member for insertion through the wall, whereas in a second position, the toggle member extends behind the wall at an angle relative to the strap member which extends from the toggle member through the hole in the wall. The locking member is adapted to be displaced along the strap member until it engages the wall and to be locked on the strap member. Therefore, the locking member and the toggle member are connected by the strap member and imprison the wall by abutting respectively the visible and hidden sides thereof. A fastener introduced through the locking member and the wall threadably engages an opening defined in the toggle member.

Abstract: Embodiments include a mounting assembly for securing a supported element to a wall structure having an internal thickness residing between opposing first and second sides of the wall structure. The assembly comprises a toggle anchor assembly configured to pass through a hole formed through the internal thickness; a washer configured for attachment to the hole adjacent to the first side of the wall structure, the washer comprising an open center configured to receive an extent of the toggle anchor assembly therethrough; an end assembly configured for coupling to an end portion of the toggle anchor assembly and for securing the toggle anchor assembly to the wall structure; and a receiving portion for securement of a strut assembly to the toggle anchor assembly, the strut assembly being coupled to the supported element.

Abstract: A fastener for securing a first object to a second object includes a push member, a rigid shaft, an engaging member, a biasing member, and an anchor. The push member and the anchor are fixed to opposite ends of the rigid shaft. The engaging member is slideably coupled to the rigid shaft between the push member and the anchor. The biasing member is disposed between the push member and the engaging member to urge the engaging member toward the anchor. In a particular embodiment, the anchor is deployable.

Abstract: A fastener for attaching together layers of a substrate. The fastener includes a slide body, a bolt, a conical spring, and a toggle having a pivot coupled with one end of the slide body. The conical spring is disposed over a shaft of the bolt and the shaft is engaged within the slide body. The slide body and toggle are inserted into an aperture through the layers of substrate in a first configuration until the conical spring contacts a front face of the layers of substrate. Compression of the conical spring against the front face advances the toggle a clearance length out of the aperture on a back face of the layers of a substrate such that the toggle can switch to a second configuration that prevents retraction through the aperture. Extension of the conical spring automatically engages the toggle with the back face of the substrate to prevent rotation of the slide body within the aperture.

Abstract: A wound closure device for repairing perforations and tissue wall defects is disclosed herein. The wound closure device has a barbed elongate body and a plug member. The wound closure device may further include a foam structure. The wound closure device may also include an inner member which may be a tissue scaffold. A method for closing tissue is also disclosed.

Abstract: A toggle can secure a cable relative to a structure with a fixing aperture. A body of the toggle can include a cable portion and a set of side walls. The cable portion can receive and secure the cable. The side walls can extend away from the cable portion to define a channel, with the channel being at least partly open along one or more sides of the toggle body. The toggle body can be configured to engage the structure along a loading side of the body to secure the cable relative to the structure.

Abstract: A toggle fixing for fixing an article to a thin-walled building component. The toggle fixing includes a crosspiece and a strip which is connected to the crosspiece and serves for holding the crosspiece during mounting. An opening for receiving a screw is formed centrally on the crosspiece, the opening extending along an opening longitudinal axis (LÖ). In order that screws of which the external diameter (DA) is smaller than the internal diameter (DK) of the opening can also be fixed to the crosspiece it is proposed that there be arranged on the crosspiece at least one counterbearing element having a spacing (AW) from the opening longitudinal axis (LÖ) that is less than half the internal diameter (DK) of the opening.

Abstract: A retaining device for securing one or more accessory racks to a base rack on a vehicle is provided herein. The device comprises a housing member that extends through the one or more accessory racks and into the base rack, a head, secured to the housing member that engages one or other of the racks, a detent that engages the other of the racks, and an engagement mechanism that extends the detent and pulls it toward the head. The device may further comprise a lock that secures the detent in a clamping position. The lock may comprise a ratchet and pawl arrangement defined by first and second levered tabs disposed on the head, the first tab being operably connected to the engagement mechanism. An ATV comprising one or more accessory racks secured to a base rack by a retaining device as described herein is also provided.

Abstract: Attaching a fastener to a ceramic matrix composite or ceramic body by inserting a portion of the fastener into a compartment of the body, the compartment having a first portion and a second portion, the second portion outboard of and narrower than the first portion; and delivering a fluid into the fastener to expand a portion of the fastener within the blind compartment first portion.

Abstract: A male connector having two (or more) tines or prongs extending from a joined surface or head is inserted into a female connector. This is accomplished by way of pushing the two tines into an entry portal of the female connector which, as the tines are pushed into the female connector, guides the tines away from each other and perpendicular to their direction of entry. The tines may have repeated triangular apexes on the surface, similar to a cable tie, while the female connector has oppositely-disposed triangular surfaces such that when the tines are pushed into the female member, they are irreversibly or substantially irreversibly held into the female connector.

Abstract: Biocompatible wound closure devices including an elongate body and a plug member are useful for wound repair.

Abstract: An anchor system for an erosion control mat is provided. The system includes a bullet anchor comprising a bullet anchor body and a bullet anchor strap integrally molded with and extending from a first side of the bullet anchor body. In embodiments, a lock washer is coupled to the bullet anchor strap. In embodiments, serrations on at least one side of the bullet anchor strap are adapted to prevent the lock washer from traversing the bullet anchor strap in a direction away from the bullet anchor. In embodiments, the lock washer is adapted to couple with an erosion control mat. In embodiments, an anchor tab on a second side of the bullet anchor body secures the bullet anchor body in a ground surface. The anchor system is utilized to secure the erosion control mat to the ground surface and prevent undesired movement of the erosion control mat.

Abstract: An anchor assembly for walls comprises a toggle member and a strap member pivotally mounted together, and a locking member. In a first position, the toggle member is aligned with the strap member for insertion through a hole in the wall, whereas in a second position, the toggle member extends behind the wall angularly to the strap member which extends from the toggle member through the hole. The locking member is adapted to be displaced along the strap member until it engages the wall and to be locked on the strap member to prevent the locking member from displacing away from the toggle member. Therefore, the locking member and the toggle member are connected by the strap member and imprison the wall by abutting respectively the visible and hidden sides thereof. A fastener introduced through the locking member and wall threadably engages an opening defined in the toggle member.

Abstract: An airbag is fixed to a first location of a window in a stowed orientation and extends to a lower end of the window in a deployed orientation. A tether has an airbag end fixedly attached to the first location and an anchor end fixedly attached to a second location proximate the lower end of the window. The tether extends through a tether receiving aperture of the airbag such that during movement of the airbag from the stowed orientation to the deployed orientation the distal end moves along the tether. A one-way movement member is fixed to the tether proximate the anchor end. The one-way movement member passes through the tether receiving aperture in response to the airbag moving from to the deployed orientation and limits movement of the airbag back toward the stowed orientation.

Abstract: A sheetrock wall anchor has a hollow body having an axis and a head on one end, and arms which are spaced from one another circumferentially and pivot to extend from one end to the opposite end of the body when inoperational, to extend in opposite direction for insertion of the anchor through a hole in a sheetrock wall, and to extend transversely to the body for abutting against a rear surface of the sheetrock wall, and a bush is placed on the body and push onto it by a threaded bolt with a nut.

Abstract: A wall anchor is provided and includes a wing manually urgeable through a substrate, a cutting element attached to the wing at a leading side thereof to cut through substrate material upon the manual urging, a strap assembly rotatably coupled to the wing and configured to be manually gripped and to have a pulling force exerted thereon to thereby urge the wing against the substrate and a cap disposed to be movable along the strap assembly, respective engagements of a member with the wing and the cap being sufficient to draw the wing and the cap toward one another.

Abstract: A grab bar or other accessory is attached to a wall with at least one anchor assembly. The anchor assembly can be removed and repeatedly used as needed. The anchor assembly includes a vertical support beam, an arm having a hub portion and an arm portion, and a mounting plate that is supported by the arm. The arm portion is received within a slot formed within the vertical support beam. A spring is attached to the vertical support beam and cooperates with the arm portion to hold the arm in place during installation. The mounting plate includes a plurality of hole locations spaced radially outwardly from a center opening. The mounting plate is rotatable to position the plurality of hole locations at one of many different desired mount positions for a variety of grab bars.

Abstract: A wall anchor attachable to a wall, the wall defining a wall aperture. The wall anchor includes a body; a retention element operatively coupled to the body so as to be reversibly movable between a retracted configuration and an expanded configuration, wherein, when the retention element is in the retracted configuration, the wall anchor is insertable into and removable from the wall aperture, and, when the retention element is in the expanded configuration and the body is operationally extending through the wall aperture, the retention element cooperates with the body to attach the wall anchor to the wall; and an actuator operatively coupled to the retention element for selectively moving the retention element between the expanded and retracted configurations. Inserting the wall anchor through the wall aperture with the retention element in the retracted configuration and subsequently using the actuator to move the retention element to the expanded configuration attaches the wall anchor to the wall.

Abstract: A mounting mechanism is provided for securing an article to a wall. The mounting mechanism can include an insertion member, a base member, and a tab member. The insertion member has at least one hub formed thereon. The base member has a flange and at least one arm depending from the flange. The flange defines an insertion hole, and the at least one arm includes a guide. When the insertion member is provided in the insertion hole, the guide receives the at least one hub. The guide directs movement of the insertion member relative to the base member. The insertion member and the base member include a ratchet mechanism for maintaining the position of the insertion member relative to the base member. The ratchet mechanism can include a pawl formed on the at least one hub and at least one indentation provided on the guide. The pawl can interact with the at least one indentation. The tab member can be removably coupled to the insertion member.

Abstract: An anchor assembly having a nut which is pivotably connected to a sleeve which is slideable along a rod housing. The nut is pivotable to and from a position in vertical alignment with rod housing and a position perpendicular to the rod housing in which a threaded nut opening is in vertical alignment with a opening of the rod housing. A flange is disposed above the rod housing and a stop washer is disposed above the flange, the rod insertable within both the flange and washer. The threaded rod is insertable through the rod opening of the rod housing and threadable within the threaded opening of the nut when the nut is in a position perpendicular to the rod housing. When the nut of the anchor assembly is positioned into vertical alignment with the rod housing, the assembly can fit into a narrow hole. Once the nut clears the opening, the nut moves into the position perpendicular to the rod housing so that the rod may be threaded through the nut opening.

Abstract: A bolted joint which is formed by using a bolt having a tapered shoulder to cold form a deformable sleeve in order to provide a “zero-clearance” fit. Specifically, preferably a plurality of bolted joints are used to join a ring gear to a differential case. As the bolts are installed into the differential case and ring gear, tapered shoulders on the bolts dilate deformable sleeves until outer diameters of the sleeves contact internal walls of through holes in the differential case.

Abstract: A toggle-bolt type fastener has pocket structure incorporated therein for accommodating extra-long threaded bolt fasteners in a coaxial manner within the toggle-bolt type fastener. Alternatively, structure has been incorporated within the toggle-bolt type fastener which accommodates extra-long threaded bolt fasteners by causing the same to be slightly deflected from their coaxial disposition within the toggle-bolt type fastener so as to permit the same to bypass the pointed tip of the toggle-bolt type fastener. Still further, additional structure has been incorporated within the toggle-bolt type fastener for ensuring the fact that when the nut member is moved from its original, axially oriented, inoperative or non-deployed position, to its second, transversely oriented, operative or deployed position, the nut member will in fact be disposed substantially perpendicular to the longitudinal axis of the toggle-bolt type fastener so as to ensure the proper threaded engagement thereby by the threaded bolt fastener.

Abstract: A board anchor comprising a screw shaft, freely rotating anchor section attached to the screw shaft via a spring and stop attachment for re-positioning the anchor section in a crosswise position against the screw shaft from a position parallel with the screw shaft, a stopper mechanism that stops the above screw shaft in the above cross position, and an attachment ring that screws onto the screw shaft, with the anchor section having a screw hole which fits the screw in the above upright position.

Abstract: A plate nut assembly is provided in which a protrusion provided on a nut has a centering guide function relative to a circular hole so that the protrusion reliably fits in the circular hole to prevent displacement of the nut assembly, even if an external force is applied in a direction perpendicular to an axis of a bolt threaded to the nut. Around an entrance of a threaded hole on one side of the nut, of such a dimension so as to be received within a circular hole formed beforehand in a wall or the like, at a position where the nut is inserted into the hole, the protrusion is formed so that height of the protrusion decreases in a direction away from the threaded hole. A recess having substantially the same outer shape as that of the protrusion is formed around the threaded hole on another side of the nut. The recess has opposed end walls that are inclined such that a distance between the opposed end walls decreases in a direction toward a bottom of the recess.

Abstract: A simplified, high-strength fastening device for securing fixtures, other objects, structural components, or members for use in “blind hole,” inaccessible applications, particularly overhead or ceiling installations or wall portions having at least one concealed side. The fastening device can be installed easily, can be removed easily and used repeatedly, and can present a maximum bearing surface for engagement with the securing member for distributing an attached load evenly and uniformly upon said member. The fastening device has two parts: (1) a specially shaped nut comprising the actual fastener, and (2) a plate attached hingedly to the nut that provides the means for inserting the nut through a blind hole and for urging it into operational position. The nut has a threaded bore located approximately at its center to receive a fastening commercially produced bolt of appropriate size and kind.

Abstract: A device for anchorage to a grating floor. The device includes a lower element the cross-section of which is larger than the width of the openings in the grating in one direction and is narrower in the other direction so that it can pass through the grating after pivoting through 90°, the lower element housing a nut in its lower face and having, on two of its lateral faces, respective housings with toothed regions on their respective upper portions, the toothed regions being complementary with an upper element of a width larger than the openings in the grating and having two legs of a width smaller than the openings in the grating, the legs having respective lower studs which can be introduced into the housings of the lower element, allowing the lower element to pivot, and respective teeth on the inner faces of the said legs for meshing with the teeth adjacent the housings for the studs in the lower element.

Abstract: An improved fixed positionable toggle bolt device for fastening objects to a substrate comprising a metal anchor member having a nut portion and a selectively frangible positioning and holding assembly engaged with the metal member. The assembly comprises two elongated control legs, with the first ends of the control legs being pivotally attached to the metal member. The second ends of the control legs are movably attached to each other by an elongated undercut element interference, with movement of one leg relative to the other, effected by finger tip sliding, causing the metal anchor member to pivot from substantially in line with an insertion aperture in the substrate, to a position parallel to the substrate when the second ends of the control legs are aligned with each other. A positioning collar is engaged with both legs, holding them in place and is movable along the respective lengths of the legs.

Abstract: The fastening element uses a sleeve with a flanged end to insert in a hole drilled through an object, such as, a sign, and a structural element to which the object is to be attached. This allows the user to place the object in the position to be mounted and to drill a single hole of uniform diameter and insert the sleeve. An expandable element which either uses a plurality of bendable legs, or a pair of toggle elements, similar to a Toggle Bolt, is inserted with the sleeve to provide anchor members behind the structural element, such as a wall. The fastening element essentially allows one step drilling of a hole and securing of an object to a structure particularly in instance where access for use of a fastening nut on a bolt is not possible. The head of the bolt is of a sufficient radius to cover the flanged end of the sleeve when the fastening element is secured. The toggle element may also be used without the sleeve.

Abstract: A screw and toggle fastener in which the toggle member is formed from spring steel so as to be flexible but non-expandable. The toggle member is provided with a centrally located aperture to permit the threaded insertion of a screw member. The toggle member has a leading portion with respect to the central aperture which may be provided with a pointed leading edge to facilitate insertion through a member to which it is to be attached. A trailing portion of the toggle member is arcuately deformed out of the plane of the leading portion by an amount which permits pivotal movement of the toggle member with respect to the axis of the screw member so that it forms a bridging contact with the threads of the screw member when the toggle member is at right angles to the screw member after passing through the members being fastened together.

Abstract: A wedge device particularly suitable for use in mounting a swimming pool light in a niche formed in a wall of the pool has a wedge member and a drive member for use in driving the wedge member between the side of the light and the wall of the niche. The drive member is pivotally mounted on the wedge member for limited slidable freedom of motion laterally as well as rotatable motion by means of a pair of trunnions which extend therefrom and fit into cylindrical sleeve bearings formed in the wedge member. A screw member threadably engages the drive member and is inserted through an aperture in the mounting ring for the light. When the screw is tightened against the mounting ring, it draws the wedge member against a side of the light and the wall of niche thereby wedging the light in place. The drive member can be rotated ninety degrees on its trunnions to change the size of the wedge provided by the wedge member thus enabling its use under different installation requirements.

Abstract: An apparatus for transporting sheet material of the type having perforated marginal edge portions comprises a base adapted to receive and support the sheet material with the base having upstanding ratchet toothed stanchions positioned about its periphery. A cover bearing a handle has latch means adapted to receive and operatively couple with the upstanding stanchions to allow the base, cover and sheet material contained therebetween to be easily hand carried. The base is provided with upstanding pins positioned to register with the marginal edge perforations of the sheet material and guide flanges mounted to the base guide the sheet material into proper position atop the base.

Abstract: A wing nut retainer and extractor comprises an elongated open box frame having an apertured face plate with a pair of spaced apart guide rails extending from the face plate for insertion into a blind bore for holding and extracting a wing nut with the outer ends of the rails connected together and a tipping finger disposed between the rails for engaging one wing of the wing nut for tipping the nut to a position generally parallel to the rails for extracting the wing nut through a hole in a blind wall or through the aperture in the face plate.

Abstract: A toggle bolt assembly that includes a flexible elongated strip that is hung upon the bolt so that the strip loops over the winged trunnion nut. One end of the strip is hung between the nut and the wings while the opposite end of the strip is hung between the bolt head and the nut. The opposite end of the strip is expanded so that it can be wedged tightly into the clearance hole formed in a hollow through which the wings are passed in assembly. The wedged strip holds the unfolded wings in a non-rotating condition inside the wall.

Abstract: A non-rotating toggle bolt assembly which includes a collapsible toggle threadably received on the shank end of a bolt whose length is greater than the thickness of the wall for which the assembly is intended. When the toggle is collapsed, it assumes reduced dimensions to permit its passage through a hole drilled in the wall. On emerging from the hole at the shank end of the bolt, the toggle which is now displaced from the inner surface of the wall resumes its normal dimensions. The assembly is provided with a flexible strap extension, one end of which is coupled to the toggle and acts to prevent rotation thereof when, in the course of installation, the operator turns the bolt to advance the toggle on the shank into engagement with the inner surface of the wall to fasten the assembly thereon.

Abstract: Individual fasteners are provided for each of several pre-determined holes along a margin of pages of a document for securing the pages together at the holes, each fastener including: a relatively rigid cylindrical insert having a head at one end, the diameter of the insert cylinder being less than the diameter of the holes in the page and the diameter of the head being greater than the diameter of the holes; an elastic member such as a rubber elastic extending from the insert to a bar and attached to the center of the bar, the length of the insert cylinder being less than the minimum thickness of pages to be bound by the fastener and the length of the cylinder plus the length of the bar being greater than the maximum thickness of pages to be bound by the fastener.

Abstract: A fully articulable positioning device for positioning an elongated member comprising a pair of legs hingeably attached to the elongated member at one end of the legs and a slideable connection at the opposite end of the legs. The slideable connection is of the pin and slot variety wherein each leg contains a pin and slot for communication with the slot and pin of the other leg. The leg may be of any length suitable for their intended use and may be improved by the addition of handle-like projections at the slideably connected end.

Abstract: Bumper for motor vehicles consisting of two half-shell-shaped profile members made of synthetic material, which are connected at their end flanges by welding to form a closed hollow profile, and with fastening elements for attaching the bumper to the vehicle body, which are disposed on the half-shell-shaped profile member adjacent to the body, characterized by the fact that the profile member adjacent to the body has at each fastening point an opening with integral side locking arms and the fastening elements have molded counterlocking elements which can be releasably engaged with the locking arms.

Abstract: An anchoring device for securing a member to a wall, particularly where there is access to only one surface of the wall. The anchoring device employs a toggle plate having a threaded opening therein, with the toggle plate dimensioned to fit into a hole through the wall to which it is desired to secure the member. An elongate engaging element coupleable to the member to be secured to the wall and dimensioned of a size to extend through the wall opening into the toggle plate opening is provided. At least a portion of the engaging element is flexible so that at least a part of the engaging element may be bent into a plane parallel to and in sufficiently close proximity to the toggle plate to permit the toggle plate and engaging element to be simultaneously inserted through the wall opening, with the toggle plate thereafter assuming a position perpendicular to the engaging element and subject to being drawn up on the engaging element against the wall.

Abstract: A fastener useful for securing articles on a hollow wall, made of a thin sheet of metal, shaped as to provide two spreadable pointed thin blades for easy insertion into a wall where after the blades are spread apart by the insertion of a screw to form an anchor resisting withdrawal.

Abstract: Apparatus is provided for temporarily supporting objects such as toothbrushes. The apparatus includes an anchor part which may be affixed to a supporting structure such as a wall. A detachable section is detachably coupled to the anchor part and is in the form of a bracket including two spaced arms between which extend a pair of spaced parallel rods on which are supported a plurality of clamps having a clothespin-like configuration. The clamps are spaced from one another by sleeves and are provided with elongated openings through which the aforegoing rods extend. These clamps are held by the rods in rectilinear alignment and are color coded in order to be identified with specific objects which are engaged therein.

Abstract: A fastener assembly for attaching articles to a penetrable surface such as drywall material found in the interiors of buildings. The assembly is comprised of a fastener, which fastener has a threaded shank with a pointed end and either a head or a second threaded end and an anchor member piercedly captured by the threaded shank of the fastener. The anchor member is held in a position substantially parallel to the axis of the threaded shank with the pointed end extending beyond the anchor member by a retaining means while the assembly is piercing a surface; as the assembly pierces the surface, the retaining means slips from engagement with the anchor member and, as the anchor member passes through the rear side of the surface penetrated, spring means on the anchor member urge the anchor member to a position substantially oblique to the axis of the threaded fastener.

Abstract: A suspended ceiling is installed in position by the use of a special nail construction. The nail has a pivotally mounted end which will maintain its straight configuration when it is being driven into a solid ceiling material. Should the nail be driven into a hollow ceiling material, the end of the nail will be permitted to pivot within the hollow area and the end of the nail then functions as a retainer to hold the nail in position in the ceiling material so that the suspended ceiling may be suspended from the retained nail.

Abstract: A toggle nut which is to be used in fastening objects to a blind partition, door, or wall.The toggle nut is a short, U-shaped channel with neither the inner width nor the depth being of greater dimension than the diameter of a threaded member which the channel is to receive. An elongated triangular aperture is located centrally in the base of the channel, with the long point of the aperture pointing toward an extension of the base. This extension abruptly turns up and back at a 180 degree semi-circular angle, terminating across the aperture. The terminal end of the base extension has a shallow semi-circular indentation.The open edges of the channel, along the length of the sides, are depressed slightly below points at the four corners of the sides. These points are designed to dig into the inner surface of the partition on which the toggle nut is being used.The tip of a threaded member is inserted through the aperture, under the clip, and is aligned in the channel.

Abstract: A reusable wall fastener such as a toggle bolt, which can attach articles to an apertured wall, including a bolt portion with a head and a retaining end thereon, and a captured nut threadingly engaging the bolt between the head and the end. The captured nut includes laterally extending wings or posts which are received in openings in an elongated toggle housing. The toggle housing further includes elongated and transverse apertures for respectively permitting the threading of the bolt both longitudinally and transversely through the housing. A biasing arrangement normally biases the toggle housing in a coaxial orientation with respect to the bolt in order to insert and remove the toggle bolt through the apertured wall. A cam surface on the toggle housing engages the inside face of the wall to thereby pivot the toggle housing against the bias into a position transverse with respect to the bolt so that the housing will engage the inside face of the wall as the bolt is continuously threaded into the housing.

Abstract: A hollow wall fastener using a conventional toggle bolt and a toggle anchor which is pointed and which has an open groove for receiving the toggle bolt. An end cap within the anchor has an internally threaded head portion and a frangible portion which allows the head portion to separate from the rest of the end cap when the end of the bolt is threaded into the head portion, thus twisting the frangible portion until it breaks. Thereafter the head portion prevents withdrawal of the toggle bolt from the anchor. The end of the groove has a threaded portion which cooperates with a threaded portion of an aperture opposite the groove to permit the anchor to pivot with respect to the bolt to a position where the bolt is threadably engaged and locked in the threaded portions of the anchor, forming a "T" configuration behind the surface of the hollow wall. Thereafter the bolt may be rotated to draw the anchor tightly against the interior of the hollow wall.

Abstract: A self-penetrating fastener assembly for anchoring in wallboard has a pointed anchor member and a threaded fastener. The anchor member has a longitudinal recess formed by semicylindrical segments which intersects an aperture that extends through the anchor. The fastener is aligned within the recess which engages the threads of the fastener, the head thereof protruding beyond the end of the anchor and the assembly is hammered into the wallboard. When the anchor clears the wallboard, the fastener is threadingly advanced into the anchor which, in turn, is drawn up against the back of the wallboard securely attaching an article thereto.