Abstract: Simulated marble panels and the like are mounted in place by an anchor which includes an elongated pin having a pointed remote end with an anchor plate secured to its opposite base end. The anchor plate has a plurality of perforations extending completely through it so that it may be positioned in a recess in the panel and permanently mounted to the panel by means of a bonding agent applied to the recess which flows through the perforations in the anchor plate and covers the anchor plate when it forms an integral bond with the panel. The pin may then be secured to a substrate in any suitable manner.

Abstract: An improved fastener mountable within a plasterboard wall from one side of the wall and used with a screw comprises a fastener body and a toggle clamp pivotable between an insertion position and a toggle position. The fastener has a drilling tip adapted to drill a hole of sufficient diameter so as to accommodate the fastener, except for the fastener head which is adapted to coact with a driving tool. In a first embodiment, the drilling tip is an integral part of the fastener body and extends axially beyond the toggle clamp in its insertion position. In a second embodiment, the drilling tip is an integral part of the toggle clamp and extends axially beyond the fastener body in the insertion position of the toggle clamp. In each embodiment, the fastener is self-drilling.

Abstract: A locking pin is provided for detachably connecting a bucket to a backhoe loader. The locking pin comprises a shaft member having an enlarged head portion and an axial bore extending partially therethrough. Spring loaded plunger means are disposed in the axial bore. A planar retaining member is pivotally mounted to the enlarged head portion of the shaft member. The retaining member includes an omega-shaped clasp portion which extends generaly perpendicular therefrom and which is operative with the spring loaded plunger means to lock the pin.

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 fluid flow control valve has a diaphragm for sealing against a valve seat. The diaphragm includes a bleed hole for passing fluid from one side of the diaphragm to the other. A debris arrestor comprising a one-piece flexible tag is inserted into the bleed hole by deforming the tag to pass therethrough. The tag after insertion expands to retain itself in the bleed hole.

Abstract: A plastic hollow wall anchor having folding arms for insertion within a limited diameter aperture in a substrate such as a wall. The arms, adjacent their overlapping attachment areas, are configured to provide a "sharp knife edge" intersection, whereby a spacing between the attached arms, during folding and aperture insertion, is substantially eliminated. The load bearing arms are concomitantly thickened and thereby strengthened within the limited dimension afforded by the aperture. Alternatively, the overall dimensions of the anchor are reduced, while maintaining the load bearing arm dimensions, thereby enabling the use of a smaller diameter for the insertion aperture without decrease in anchor holding strength.

Abstract: A lock for a retainer pin prevents accidental opening of the ring of the retainer pin. A body has an elongated slot receiving the ring of a retainer pin, with a detent to inhibit motion of the body on the ring. A bore in the body is alignable with the pin of the retainer pin. The bore has an open portion that allows free movement away from the pin, and a closed portion that prevents movement away from the pin. The retainer pin may have a colored portion that is outside the bore when the pin is received only in the open portion of the bore, and is inside the bore when the pin is received in the closed portion of the bore.

Abstract: A bushing cooperates with a bolt and a winged toggle member to form a toggle bolt assembly. The bushing has a maximum cross-sectional dimension substantially equal to the diameter of the hole in the wall or other support member to which the toggle bolt assembly is to fasten an object and an inside diameter permitting passage of the bolt therethrough. To fasten an object to a wall, the bolt is passed through an opening in the object and through the bushing and threadedly engaged in the toggle member. The toggle member wings are folded, and the toggle member is passed through the hole in the wall until the wings open. The bushing is inserted into the hole and held in place while the bolt is pulled outward until the opened toggle wings abut the inner surface of the wall, inhibiting rotation of the toggle member as the bolt is rotated. The bolt is then threadedly tightened in the toggle member, drawing the object and the wings into further engagement with the opposite surfaces of the wall.

Abstract: A plastic over-center hollow wall anchor having increased strength without increase in thickness of load bearing members and necessitation of a larger insertion aperture. The bending motion stress on the load bearing arms, which causes the weakening or failure mode of the anchor, is substantially retarded by the inclusion of a small reinforcing boss across the bending area.

Abstract: A fastening bolt set is disclosed which is used for attaching an object to a structure, and which comprises an ordinary bolt with a hexagonal or circular head, an internal washer having a long shape and having an annular projection, an external washer having an annular projection, and an ordinary nut for final tightening, all of the above components being connected by a string. This device is used where the back side of the structure is unreachable by hand or by means of a tool, and the working method is such that the bolt and the internal washer are sequentially inserted through the fastening hole, and the string connected to the bolt and the washer is pulled out of the fastening hole. Then the head of the bolt and the internal washer are combined together, the body of the bolt is passed through the fastening hole, and the head of the bolt and the internal washer are halted at the back side of the fastening hole.

Abstract: A fastener-receiving member is disclosed that can be used with either a blind hole or a hollow wall. In addition, the length of the fastener-receiving member can be adjusted to be accommodated within various thicknesses of walls. The nut portion of the fastener-receiving member is configured so that it has ridges at its outer periphery that will engage with the surface of a hole regardless of the quality of the drilled hole. A wing-like locking section will expand to insure an adequate grip between the wall and the member. In addition, an insertion tool is disclosed that aids an operator in inserting the fastener-receiving member into a hole.

Abstract: A plastic clip for securing a panel or like member to a stud or like securement member is disclosed. The clip comprises a first member having a head portion having a through hole and a pair of locking portions extending from the head portion and capable of being pivoted relative to the head portion and a second member having an insertion portion to be inserted through the through hole and a locking portion to be locked to the securement member. By inserting the insertion portion of the second member into the through hole of the first member after insertion of the pair of locking portions of the first member through a mounting hole of the member to be secured, the pair of locking portions are pivoted away from each other so as to clamp the member to be secured. In this state, the locking portion of the second member is secured to the securement member, thus securing the member to be secured to the securement member.

Abstract: An expansible plastic fastener comprising a generally elongated body portion, a collar member, and locking means comprising a pair of reinforced toggle arms. The body portion has a generally central opening for reception of an elongated retaining element. The reinforcement provides cooperative resilient interaction with the toggle arms to assist movements toward their collapsed and expanded portions while simultaneously contributing to their holding strength. The fastener can also include a Y-shaped reinforcing portion pivotally connected to the locking means of the body portion by flexible connector means. This Y-shaped portion may include means for engaging an elongated retaining element in the form of a threaded member. Also, a fastening kit comprising a fastener of the invention along with a key for expanding the locking means to its optimum expanded position or a fastener of the invention with an elongated retaining element.

Abstract: A slide fastener and apparatus is provided for securing a fixture having a hole therethrough to a surface having a hole therethrough. The apparatus comprises a brace that operates in two positions: a retracted position for insertion through the aligned holes, and a locking position that is substantially perpendicular to the central axis of the aligned holes. A tail is flexibly connected to the mid-section of the brace and adapted to slidably carry a lock piece that urges the brace to the locking position and bears upon the fixture to secure the fixture to the surface. The lock piece may be advanced inward toward the brace, but not retracted outward away from the brace.

Abstract: A coiled spring wire fastener includes a first end for engaging with the head of a bolt, a midsection of a constant diameter and a second end portion of a conically, tapered shape. In an alternative embodiment, the coiled spring wire fastener includes an annular midsection for engaging a threaded portion of a bolt, a first annular end portion connected to the annular midsection and having a smaller internal diameter than that of the midsection, and a conically tapered second end portion.

Abstract: A clip comprises a clip body having an enlarged diameter head portion at one end and a stud reception hole extending from the center of the other end toward the head portion. Integrally attached by means of hinge portions to the outer periphery of the clip body are outwardly extending locking portions and engagement seat portions integral with stem portions of the locking portions and extending away from the head portion. The locking portions are folded together with the engagement seat portions at the hinge portions so as to be locked to the head portion.

Abstract: A hitch pin assembly is provided for locking equipment, such as a crossbar, to a tractor. The hitch pin comprises a locking pin having a head and a pivoted pull ring serving as the locking mechanism. A spring loaded rod including a keeper notch is retained coaxially within the locking pin. An access slot in the pin is provided in alignment with the notch to allow receipt of the ring as it swings toward the pin for locking. The spring loaded rod is retracted into the locking pin, allowing the keeper notch to capture the pull ring. The rod is then released and the pull ring is securely locked in a positive fashion in position. Pressing the rod back into the pin releases the ring to pivot outwardly from the keeper notch so that the locking pin can be removed.

Abstract: A wall fastener comprising a hollow conical member, a cylindrical sleeve member disposed substantially within the conical member, an anchoring member attached to the sleeve member for engaging the inner surface of a hollow wall and a rotatable threaded member extending through aligned openings in the conical member, sleeve member and anchoring member for tightly securing the fastener to the wall. The anchoring member is comprised of a central housing and a plurality of resilient curved feet flared outwardly from the housing. The feet are bendable toward the axis of the threaded member to allow the anchoring member to be inserted through a hole in the wall. When the anchoring member has cleaned the hole, the feet are spring-biased to return to the outwardly flared position to engage the inner surface of the wall.

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 quick connect/disconnect assembly includes a headed bifurcated primary member or post having a secondary or locking means releasably, slidably and swingably related thereto for movements between locked and unlocked positions.

Abstract: Fastening device for fixing a screw or the like in a hole or opening in plaster board, or the like. It comprises a sleeve with a flange placed at one side of the board and a nut fixable against the back of the plaster board. A mounting screw is passed through the sleeve and the nut. The sleeve has an inner cone and the nut has a corresponding cone which extends into the inner cone. As the nut and sleeve are drawn together, the cones engage and spread the sleeve. The sleeve is provided with at least one pair of slits defining longitudinal tongues which are spread. A screw inserted through the sleeve into the nut pulls the cones together. The nut itself is provided with wings which may be bent out against the back surface of the board. The tightening of the nut on the screw thereby results in anchoring the nut against the back surface of the board and pulls the flange of the sleeve against the front surface and spreads the slit sleeve.

Abstract: A multi-function integrally molded plastic fastener for insertion within a hole in a wall for fastening objects to any of solid, thick or thin hollow walls. The fastener comprises a base element and an anchoring element with the base element being positioned within the hole and depending whether the wall is solid, thick or thin hollow wall, the anchoring element is positioned totally within, partially within and totally behind the wall respectively. The anchoring element is comprised of outstretched anchoring arms which are collapsible for insertion within the hole and which arms have interfitting sections of a sinusoidal wave configuration to minimize the cross section of the anchoring element and the width required for the hole. The ends of the arms, spaced from the base element, engage an external fastening member thereby providing a solid anchorage in any of a solid, thick or thin hollow wall.

Abstract: The binder mechanism for loose-leaf binders or file folders comprises a flat, oblong support plate on which are disposed at a standardized mutual distance at least two binder yokes, each consisting of a fixed yoke rod and pivotable yoke part, which is provided with a crank arm. The pivotable yoke parts are operable jointly because they are interconnected by a coupling rod disposed in the support plate. The support plate is made of plastic and has a cavity which is open at its underside and in which the crank arms and the coupling rod are accommodated. The privotable yoke parts are mounted in mounting bushings integrally molded to the likewise plastic crank arms mounted in hollow cylindrical bearing lugs or bearing holes of the support plate. The coupling rod and/or at least one of the crank arms are associated with a releasable detent or locking device which arrests the movable yoke parts jointly in their pivoted position forming the yoke shape.

Abstract: An adjustable back clip for mounting a shelf to a wall comprising a clip body and a drive pin. A hook member on the body receives a shelf wire. A stop is hinged to the body by an internal short plastic strap and is pivotable to block the open side of the hook member and to hide the head of the drive pin. Notches on the end of the stop reduce the width of the stop end and can receive a cross wire of a shelf. A wall anchor is integral with the clip body and has fingers laterally expandable when the drive pin is driven through the anchor. The fingers have transverse wall portions engageable by the drive pin to swing the fingers to substantially ninety degree angles to the axis of the drive pin and anchor. A web is in front of the transverse wall portions in the path of the drive pin.

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 plumbing fitting is formed integrally with a quick connect coupling, the coupling having a recessed shank portion permitting a locknut and a gasket receiving collar to be assembled onto a threaded shank of the coupling by passing them over a saddle of the coupling the plumbing fitting being connected to a pipe wall by the clamping cooperation between the saddle and collar.

Abstract: A back clip comprising a clip body and a drive pin. A wall anchor is integral with the clip body and has fingers laterally expandable when the drive pin is driven through the anchor. The fingers have transverse wall portions engageable by the drive pin to swing the fingers to substantially ninety degree angles to the axis of the drive pin and anchor. A web is in front of the transverse wall portions in the path of the drive pin. A hook member on the body receives a shelf wire. A stop is hinged to the body by an integral short plastic strap and is pivotable to block the open side of the hook member and to hide the head of the drive pin.

Abstract: A wall anchor having a socket and a drive pin. A passage within the socket receives the drive pin. Fingers on the leading end of the socket have walls in the path of the pin. The fingers pivot into contact with the back surface of the wall by a cam action of the drive pin against the fingers and slightly spaced from a web in front of the fingers. Ribs on the inner wall of the passage grip the drive pin in a ready position. A head on the socket and barbs on the outer wall hold the socket in another part. The fingers have generally flat faces that are barbed to make maximum contact with the wall surface. The drive pin has a shank at its lead portion and helical threads at its trailing portion with a head on the trailing end. The drive pin can be driven by a hammer through the socket and can be withdrawn by the use of a screwdriver.

Abstract: The improved anchoring bolt device of the present invention is adapted to be inserted through an opening in a partition to anchor fixtures, etc., thereto. The device includes a bolt having an elongated shaft adapted to extend through the opening and bearing on its front end one or more arms pivotally connected thereto through a flexible neck and urged from a collapsed position which enables them to pass through the opening to an operative normally unfolded position behind the wall so as to anchor the device in place in the wall. In one embodiment the neck is of uniform diameter and is elongated and curved in an arc extending generally transversely of the device. The rear end of the shaft may have a loop or other means for pulling the shaft back to prevent its loss in the wall. A collet is releasably secured as by threading or ratcheting, over the shaft to hold a fixture to the outside of the wall. The shaft may be frangible to adjust its length and a rear cap may be provided.

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: An earth anchor comprising an insertable shank portion and a locking means for securing the anchor in an earth formation has one or more locking members captively associated with the insertable shank portion, the one or more locking members being either tiltable or rotatable relative to the shank whereby the insertable portion is inserted into a borehole in an earth formation and upon tensioning of the shank the one or more locking members wedgingly engage with the wall of the borehole to anchor the device within the borehole. The device has particular application as a means for suspending utility conduits and the like against the wall or floor of an underground excavation.

Abstract: A protective cover for temporarily enclosing a building or other structure during construction, includes a plurality of plastic or canvas panels which are mounted on cables connected to the structure, in parallel spaced apart vertical rows, by connectors including a rod for insertion through grommets in the edges of the panels, a lever rotatably mounted on one end of the rod for rotation around an axis perpendicular to the longitudinal axis of the rod, so that the rod can be inserted through the grommet and rotated to a locked position, and a C-shaped cable clamp on the other end of the rod, the cable clamp including a web mounting on and projecting perpendicular to the rod on each side thereof, an arm on each end of the web extending towards the other end of the rod and a slot in one side of each arm, the slot being inclined towards the other end of the rod and being sufficiently deep that a cable can be inserted through the slots and retained therein by the rod.

Abstract: The improved anchoring bolt device of the present invention is adapted to be inserted through an opening in a wall such as ceiling, sidewall or floor and also openings in other walls, such as those of furniture, mattresses, appliances, etc., so as to anchor fixtures, appliances, furniture, etc., to the wall. The device includes a bolt having an elongated shaft adapted to extend through the opening and bearing on its front end one or more arms pivotally connected thereto and urged from a collapsed position which enables them to pass through the opening to an operative normally unfolded position behind the wall so as to anchor the device in place in the wall. The rear end of the shaft may have a loop or other means for pulling the shaft back to prevent its loss in the wall. A collet is releasably secured as by threading or ratcheting, over the shaft to hold a fixture to the outside of the wall.

Abstract: A regulating apparatus for a steering shaft of a steering wheel including an outer shaft rotatably mounted on a casing member, an inner shaft axially slidably mounted within the outer shaft and rotatable for transmitting rotation torque generated by rotation of the steering wheel wherein the steering wheel is mounted on the inner shaft, a locking member axially slidably mounted within the outer shaft and pivotably mounted on the inner shaft for selective engagement with the outer shaft and a control rod operatively connected to the inner shaft and the locking member for rotating the locking member so as to pressingly engage the locking member against the outer shaft.

Abstract: This expansion anchor consists of a cylindrical body having an axial bore therethrough and first and second axial ends. A wing support member extends from the first end of the cylindrical body and generally has a central cylindrical section shape. The wing support member has first and second opposed planar surfaces extending parallel to a central bore which is co-axial to and extends the axial bore in the cylindrical body. The first and second opposed planar surfaces of the wing support member join perpendicularly with the first axial end of the cylindrical body to form first and second recessed shoulder spaces, respectively, therewith. Formed as a part of the unitary plastic anchor are first and second expanding wing elements. These wing elements have a planar engagement surface which are hingedly connected to the wing support member along the planar surface of the wing support member such that the wing elements are movable from a collapsed, axial position to an open, radial position.

Abstract: A fastening clip is disclosed for use in fastening a component with a hole through it to a surface which also has a hole through it, in particular for motor cars. The clip has a supporting plate 5 extending at right angles to the axis of the clip and a rectangular body 6 connected thereto. The body 6 is connected to the holding plate 5 by way of expanding and locking arms connected to one another by integral bending areas 13, 14, 15. The expanding and locking arms 11, 8 and 12, 9 respectively are actuated by bending the body part 6 through 90 degrees to a position where it can be locked relative to the holding plate 5.

Abstract: A fastener for sheet metal has a head, a bifurcated stem, a cross-piece running radially through the stem, and a gripping keeper placed between the sides of said stem with a pin running through a cutout in said gripping keeper. At least one side of the cutout in the gripping keeper and the outer side of the gripping keeper next thereto are placed at a small angle to each other so that, after the fastener has been inserted through holes in two members to be fastened together, with the gripping keeper lined up with the stem, the gripping keeper may be turned through 90 degrees about the pin and then pushed in a direction generally normal to said stem, for example, by using a hammer, so that the two members are forced together by a wedging effect.

Abstract: The disclosure herein describes a device for fastening objects to thin or hollow walls which comprises: a bolt, a nut with an aperture, a guide blade mounted to the bolt and extending lengthwise thereof and a bascule mounted to the bolt and interconnected to the nut; pivotal movement of the bascule on and relative to the bolt is caused by the nut being threadedly displaced along the shank portion of the bolt as a result of the screw being rotated; the guide blade extends through the aperture of the nut and prevents it from rotating with the screw.

Abstract: An anchoring retainer is mounted in a blind hole in a concrete floor or wall. The retainer, adapted to be used with a threaded element, comprises a flexible unitary one-piece body made from a plastic material. The body has an axis, is of generally triangular configuration and has at the apex thereof a sleeve provided with an opening surrounding the axis through which the threaded element extends. The sleeve has a pair of integrally formed outwardly diverging elongated flexible legs. An elongated flexible strut of V-shape is spaced axially from the sleeve and includes a central strut portion located beneath and spaced from the sleeve along with a pair of outwardly diverging strut portions which are integrally connected to the central strut portion and to the flexible legs near the outer ends thereof. In use, the sleeve end of the retainer is inserted into the blind hole, with the free ends of the legs near the open end of the blind hole.

Abstract: An improvement to expansible bushing type locking pins which include a handle or clip having camming means at one end to operate the bushings. Such handles or clips include an opening which cooperates with the adjusting nut on the free end of the locking pin to secure the assemblage together and in place on the parts to be assembled using the locking pin and clip assembly. The improvement comprises a nose cone on the free end of the locking pin having a circular cross-sectional shape, the nose cone overlying the adjusting nut so that the criticality of position of the nut on the pin in the prior art is avoided, while at the same time the tapered nose cone provides a guiding function to mount the pin into the parts to be assembled together.

Abstract: A firing pin/safety ring for a portable explosive device characterized by the firing pin being positionable in a wide range of angular positions with respect to the plane of the safety ring.

Abstract: An anchor assembly for use on a wall to support a fixture or load thereon which includes an elongated anchor plate sized to be received in a hole formed in a wall and which in the operative position abutts the blind side of the wall. A pair of flexible leg members are hingedly connected to the anchor plate in a manner to control the positioning of the anchor plate on the blind side of the wall, and having a slip collar slidably mounted on the leg members whereby the collar is ratcheted along the leg member in a unidirectional manner to firmly secure the anchor plate to the blind side of the wall and whereby the collar can be readily released to render it freely slidable along the leg members to facilitate assembly and removal of the anchor assembly.

Abstract: A toggle bolt assembly has a solid toggle head which is threadedly mounted on a cylindrical helical coil spring coaxially attached to the end of a threaded bolt, the coils of the spring having an outer diameter and a pitch which correspond substantially to those of the threads of the bolt, so that the spring forms a flexible extension of the threads of the bolt. With the toggle head mounted on the spring near the free end thereof, the spring can easily be bent to position the toggle head adjacent the bolt and substantially parallel thereto, thus permitting the entire assembly to be passed through an opening in the member in which it is to be installed. As soon as the toggle head has passed entirely through the hole, the resiliency of the spring causes it to straighten out, thus positioning the toggle head across the opening on the blind side of the hole.

Abstract: An anchoring retainer is provided for mounting at one side of a supporting structure such as a wall or ceiling having a through or restrictive opening therein through which the retainer is first inserted to reach one side of the structure or for mounting in a blind hole in a concrete floor or wall. Generally the same retainer may be used with a through opening or blind hole. The retainer, adapted to be used with a threaded element, comprises a flexible unitary one-piece body made from a plastic material. The body has an axis, is of generally triangular configuration and has at the apex thereof a sleeve provided with an opening surrounding the axis through which the threaded element extends. The sleeve has a pair of integrally formed outwardly diverging elongated flexible legs.

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: This unique cylinder shaped toggle type fastener may be used with either a bolt having a saddle type head or a bolt having a saddle type nut. The shape of the slotted toggle having one end tooth shaped allows it to be easily tipped into a saddle from the parallel position with the shank to the perpendicular position from the shank of the bolt or screw after being inserted through the hole in the material it is to be fastened to. The unique shape also leaves a flat V-shaped surface that abutts to the inside of the material. The design of the toggle eliminates the necessity of any pins giving the toggle much greater strength than other varieties. This type of fastener may be manufactured out of any kind of metal, plastic or nylon.

Abstract: An anchoring retainer is provided for mounting at one side of a supporting structure such as a wall or ceiling having a through or restrictive opening therein through which the retainer is first inserted to reach one side of the structure or for mounting in a blind hole in a concrete floor or wall. Generally the same retainer may be used with a through opening or blind hole. The retainer, adapted to be used with a threaded element, comprises a flexible unitary one-piece body made from a plastic material. The body has an axis, is of generally triangular configuration and has at the apex thereof a sleeve provided with an opening surrounding the axis through which the threaded element extends. The sleeve has a pair of integrally formed outwardly diverging elongated flexible legs.

Abstract: This disclosure relates to an apparatus for suspending a load from a wall, which apparatus incorporates a rigid rod which can be driven through a wall, a convoluted cord wouplce to the rigid rod, and a hook device having a slot which can be forked about the convoluted cord trailing through the wall to thereby compress the wall between the rod and the hook, so that a load can then be supported from the hook.

Abstract: A one-piece, plastic fastener for lockable engagement in an opening in a panel, comprising a stem having an inner and an outer end. A pair of legs is formed integrally with and extends from the inner end, the legs being in parallelism with one another and in general axial alignment with the stem. Each of the legs has integrally formed therewith at a juncture an elongated arm positioned at an acute angle relative to its leg. The arms each have a free end which terminates in an integrally formed head portion, and the head portions are cooperatively engageable with one another and swingable about the juncture and with their respective arm towards one another to form a complete head having an orifice embracing the stem. The stem and arms are drivable into the opening in the panel to locate the head against an outer side of the panel. Serration means are provided between the head and the stem to maintain the fastener in lockable engagement with the panel.

Abstract: A cam locking pin for temporarily securing together a pair of members such as plates having confronted faces and aligned apertures. The pin is inserted through the apertures, as from below. A pawl member at the upper end of the position is pivoted ninety degrees to a position in which its long dimension lies crosswise of the pin and apertures and that dimension is greater than the diameter of the pin so that the pin cannot fall out of the apertures. A lower portion of the pin depends below the bottom plate and has a stud or lug thereon for receiving a swingable tool having cam or eccentric surfaces acting against the lower plate to draw the plates together. The cam is so shaped as to retain its locking position until released.