WO2007095351A2 - Fixation d'accessoire de panneau mural - Google Patents

Fixation d'accessoire de panneau mural Download PDF

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Publication number
WO2007095351A2
WO2007095351A2 PCT/US2007/004112 US2007004112W WO2007095351A2 WO 2007095351 A2 WO2007095351 A2 WO 2007095351A2 US 2007004112 W US2007004112 W US 2007004112W WO 2007095351 A2 WO2007095351 A2 WO 2007095351A2
Authority
WO
WIPO (PCT)
Prior art keywords
appurtenance
wall
shank
arcuate
wallboard
Prior art date
Application number
PCT/US2007/004112
Other languages
English (en)
Other versions
WO2007095351B1 (fr
WO2007095351A3 (fr
Inventor
Kerry Baran
Herbert Woiczyk
Original Assignee
Canam Fastener, Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canam Fastener, Llc filed Critical Canam Fastener, Llc
Publication of WO2007095351A2 publication Critical patent/WO2007095351A2/fr
Publication of WO2007095351A3 publication Critical patent/WO2007095351A3/fr
Publication of WO2007095351B1 publication Critical patent/WO2007095351B1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B15/00—Nails; Staples
    • F16B15/0023—Nail plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B45/00—Hooks; Eyes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/02—Shelves
    • A47B96/027—Cantilever shelves
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
    • A47F5/08—Show stands, hangers, or shelves characterised by their constructional features secured to the wall, ceiling, or the like; Wall-bracket display devices
    • A47F5/0807—Display panels, grids or rods used for suspending merchandise or cards supporting articles; Movable brackets therefor
    • A47F5/0815—Panel constructions with apertures for article supports, e.g. hooks
    • A47F5/0823—Article supports for peg-boards
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G1/00—Mirrors; Picture frames or the like, e.g. provided with heating, lighting or ventilating means
    • A47G1/16—Devices for hanging or supporting pictures, mirrors, or the like
    • A47G1/20—Picture hooks; X-hooks
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H1/00—Curtain suspension devices
    • A47H1/10—Means for mounting curtain rods or rails
    • A47H1/102—Means for mounting curtain rods or rails for mounting curtain rods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B15/00—Nails; Staples
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws

Definitions

  • This invention relates to attachment of appurtenances to wallboard. More particularly it relates to methods of such attachment and apparatus for such attachment.
  • Gypsum wallboard also known as drywall, sheetrock, plasterboard, gib board, rock lath, and gypsum board became popular for home construction following World War
  • wallboard 110 is comprised of a pair of sheathings 111, 112 or liners on both sides of a gypsum based core 113.
  • the liner material can be paper, polymers, or other sheet materials.
  • Gypsum wallboard, in the United States, is available in thicknesses of 1 A inch (6.35 mm) 3/8, 1 A, 5/8, 3 A, and 1 inch (25mm) with 54 inch being the most commonly used.
  • the moment Ml caused by Wl about the generalized pivot region Pl of the nail generally provides a dislodgement force component FlO of the nail that is increased as the nail is loosened and approaches and extends below horizontal.
  • Such nails that are solely in gypsum wallboard are clearly not usable for attaching appurtenances such as shelves, bathroom accessories, or any object that will be manipulated on the wall.
  • More substantial attachment to conventional gypsum wallboard is accomplished by connectors that utilize clamping members that pierce the wallboard and provide a clamping action, typically by way of a screw, between the inner and outer surfaces of the gypsum wallboard.
  • Such hangers provide very secure attachment but are relatively complicated with usually two or more moving parts and can be tedious to install.
  • curved anchors with no moving parts for attachment to wallboard have typically either required first creating a horizontal hole through the wallboard in a separate operation or utilize a pointed end that punctures the wallboard and extends essentially horizontally therethrough.
  • a pointed rigid wire prong pierces the wallboard into the cavity or hollow behind the wallboard, having the wire curve upwardly and around to engage in inner surface of the wallboard thereby distributing the shear force to the liner on the second (hidden) surface of the wallboard.
  • the anchoring device requires a hollow section within the wall for the formed wire apparatus to reside.
  • the anchors cited are made of round wire and either pointedly or tangentially interface with the hidden side of the wallboard panel, both of which have a high stress concentration against the panel when the anchor is loaded.
  • FIG. Ib Such an exemplary prior art design is illustrated in FIG. Ib. These hangers involve some intricate manipulation for attachment and removal and cannot readily be attached to separate appurtenances, other than a simple hood, before use.
  • FIG. Ic a representative anchor is illustrated with an arcuate prong 120, a surface engagement portion 122. Indeed, where objects are suspended from these hangers any distance dl from the wallboard surface, a force moment M2 is created in the rotational direction away from the wall and downward. This translates to the force represented by arrow Fl 2 that provides a bias or urging outwardly of the downwardly extending arcuate prong.
  • This force effectively operates about the lowest edge P2 of the surface engagement portion which functions as a pivot.
  • the moment M2 effectively operates to dislodge the anchor.
  • the dislodging moment M2 increases which correspondingly increases the dislodging force F12 which increases the probability of a failure of the attachment.
  • Such anchors are not suitable for appurtenances that have their center of gravity displaced from the wall any significant distance that enhances the dislodging moment.
  • the present invention serves to anchor appurtenances to finished wallboards without requiring a hollow void or cavity behind the wallboard and providing a secure stable attachment.
  • the wallboard anchor of the present invention has an arcuate shank or prong, having a distal point, that is inserted into the wallboard on an upward curved path, a wall engaging portion proximate the arcuate prong contacts and engages the outer surface of the wall.
  • the wall-engaging portion presents a vertical flat surface and the arcuate prong extends directly from the flat surface of the wall-engaging portion, initially perpendicularly, and then sweeps upwardly with a radius of curvature.
  • the radius of curvature is preferrably about equal to or less than the thickness of the wallboard to which the appurtenance is attached.
  • the wall engaging portion has an upper edge that may operate as a pivot for installation into the wall.
  • the upper edge portion is positioned approximately a distance equal to or less than 120% of the radius of curvature.
  • the arcuate shank and is connectable to or is attached to an appurtenance such as household or office items, not limited to shelving, picture frames, posters, racks, tooth brushes, toilet paper, decorative items, window treatments, cabinets and operative devices, such as clocks, speakers, and other electrical items.
  • the appurtenance can also be a hook for receiving items such as a picture hanging wire.
  • the upper edge of the wall-engaging portion is a straight.
  • a feature and advantage of the invention is that the invention defies the reasonable expectation that an anchor comprising an upwardly extending arcuate prong inserted in a wallboard would provide very significant weight carrying capability.
  • the anchor mechanism may be readily incorporated as part of household, office, garage, or industrial appurtenances that attach to walls.
  • the anchor mechanism may be readily attached to appurtenances that attach to walls such that the appurtenance is readily attached by inserting the attached prong into the wall and lowering the appurtenance while guiding in the arcuate prong.
  • a feature and advantage of preferred embodiments of the invention is that the weight of the attached appurtenance effectively provides a moment that operates in a rotational direction to secure rather than loosen and release the arcuate shank.
  • the arcuate shank minimizes shear stress concentration in or on the wallboard panel.
  • gravity effectively secures the anchor or anchor and appurtenance in place.
  • a feature and advantage of preferred embodiments is that such are readily and easily installed in wallboard, and in particular, gypsum based wallboard, and does not require any tools for installation.
  • a feature and advantage of the invention is that optimal installation is provided using an easy leveraged mounting motion, rotationally lowering from horizontal the anchor base or attached appurtenance.
  • a feature and advantage of preferred embodiments is removing the anchor and any attached appurtenance is accomplished simply by pulling away from the wall and the lower portion of the wall engaging portion to just past horizontal. The upper edge naturally pivots upon the wall surface and the anchor is thus dislodged with no further manipulation. If a shelf or other sizeable appurtenance is associated with the anchor, the appurtanence is simply rotated upwardly to horizontal and the anchor is dislodged.
  • a feature and advantage of preferred embodiments is that there is minimal disruption of the core of wallboard when inserted therein.
  • the smooth arcuate shape that encompasses a majority of the extended length of the arcuate prong follows a path defined by the arcuate shape and does not crush the core much outside the actual path.
  • the appurtenance includes the arcuate prong wall- engaging portion integral with or fixedly attached thereto.
  • a curved arcuate prong has a threaded extended straight shaft that allows insertion into wood or wood products for manufacturing an appurtenance with the anchor integral therewith.
  • the appurtenance has a flat surface allowing the threaded straight shaft to be driven therein perpendicular to the flat surface. The flat surface of the appurtenance then becomes the wall-engaging portion.
  • the wall engaging surface has an upper edge portion for the pivoting installation of the appurtenance.
  • the upper edge portion is positioned at a distance about equal to the radius of curvature of the arcuate prong.
  • the anchor includes a second subordinate prong extending from wall-engaging surface.
  • This prong is preferrably either straight or has a radius of curvature about equal to the distance from the prong to the upper edge portion.
  • Figure Ia is a cross-sectional depiction of a known prior art utilization of a nail in gypsum wallboard for supporting a weight.
  • Figure Ib is a cross-sectional depiction of a known prior art wallboard- hanger.
  • Figure Ic is a cross-sectional depiction of a known prior art wallboard anchor utilizing an arcuate hook with the anchor inserted into gypsum wallboard.
  • Figure 2a is a cross-sectional view of an embodiment of the invention.
  • Figure 2b* is a perspective view of the wall anchor and appurtenance of Figure 2a.
  • Figure 3a-d illustrate attachment of an embodiment of the invention to a wallboard.
  • Figure 4 is a side view of a wall anchor with a flat on the upper surface of the prong.
  • Figure 5 is a top plan view of the wall anchor of Figure 4.
  • Figure 6 is a front perspective view, an embodiment of the present invention in the form of a double-sided tack suitable for use with small picture frames.
  • Figure 7 is a perspective view, an embodiment of the present invention in the form of a rectangular head tack with double deformable adhesive applied to the head of the tack.
  • Figure 8a is a perspective view, an embodiment of the present invention in the form of a screw for anchoring large frame and shelving items.
  • Figure 8b is a perspective view of a threaded anchor prong and associated attachment hardware.
  • Figure 9a is a perspective view of an embodiment of the present invention in the form of a hanger suitable for use as a picture hanger.
  • Figure 9b is a perspective view of an embodiment of the present invention in the form of a hanger suitable for use as a picture hanger.
  • Figure 9c is a perspective view of opposite side of the hanger of Figure 9b.
  • Figure 9d is a perspective view of an embodiment of the present invention in the form of a hanger suitable for use as a picture hanger.
  • Figure 9e is a perspective view of an embodiment of the present invention in the form of a punched hanger suitable for use as a picture hanger.
  • Figure 9d is a side elevational view of the hanger of Figure 9e.
  • Figure 10 is a perspective view of an embodiment of the present invention in the form of a bathroom accessory rack mount such as for towel racks, toilet paper roll holders, toothbrush rack, etc.
  • Figure 11 is a perspective view of an embodiment of the present invention in the form of a leaf used in a dual opposing leaf anchor.
  • Figure 12 is a perspective view of a leaf anchor mounting plate which orients two leaves in opposition, secured by a single central screw.
  • Figure 13 is a front perspective view of an embodiment of the present invention in the form of a dual opposing leaf anchor with the first of two leaves partially inserted into the mounting plate and wallboard.
  • Figure 14 is, in front perspective view, an embodiment of the present invention in the form of a dual opposing leaf anchor with the first of two leaves substantially inserted and the second of two leaves partially inserted into the mounting plate and wallboard.
  • Figure 15 is, in front perspective view, an embodiment of the present invention in the form of a dual opposing leaf anchor secured by plate and screw.
  • Figure 16 is, in rear perspective view, an assembled picture frame using the double-sided tack embodiment of the present invention.
  • Figure 17 is, in side hidden line view, an assembled picture frame using the double-sided tack embodiment of the present invention anchored to wallboard.
  • Figure 18 is, in rear perspective view, an assembled shelf using anchors of the preferred embodiment of the present invention.
  • Figure 19 is, in hidden line side perspective view, an assembled shelf using anchors of the preferred embodiment of the present invention partially installed onto wallboard.
  • Figure 20 is, in hidden line side view, an assembled shelf using anchors of the preferred embodiment of the present invention partially installed onto wallboard.
  • Figure 21 is, in side perspective view, an assembled toothbrush holder using anchors of the preferred embodiment of the present invention.
  • Figure 22 is, in hidden line side view, an assembled toothbrush holder using anchors of the preferred embodiment of the present invention partially installed onto wallboard.
  • Figure 23 is, in hidden line side view, an assembled towel rack mount using anchors of the preferred embodiment of the present invention partially installed onto wallboard.
  • Figure 24 is, in front perspective view, an assembled towel rack mount using anchors of the preferred embodiment of the present invention installed onto wall board.
  • Figure 25 is, in front perspective view, an assembled towel rack holder using anchors of the preferred embodiment of the present invention installed onto wallboard.
  • Wallboard 1 has the wallboard anchor 4 and attached appurtenance 4.5.
  • the wallboard will be part of a wall 1.5 and is illustrated as gypsum wallboard with a core 1.1 and sheathing 1.2, 1.3; in other embodiments the wallboard may be comprised of other pierce-able wallboard material.
  • the wallboard anchor has first anchor means comprising a curved prong or shank 5 is inserted into outside facing surface 2 of the gypsum wallboard.
  • the curved shank can have a fixed radius of curvature Rl, or have varying radii of curvature at various points, either discretely or continuous, along the outer profile 5.1 of the prong 5 from the wall-engaging portion 9 to the piercing distal point or tip 7.
  • the wall-engaging portion 9 has a wall confronting region 9.1 with a flat wall facing and engaging surface 9.3 and a uppermost wall engagement point 9.4 configured as edge or corner is this embodiment.
  • the shank shown in figures 4 and 5 may be flat on the inside of its curved profile 8 and can be flat on the outside 6 as well.
  • the flat surface 8 aids in the prevention of pullout due to stress concentrations on the wallboard panel, particularly when the wallboard panel is composed of gypsum.
  • the point 7 of the anchor may or may not pierce the second surface 3 of the wallboard 1 as shown in figures 1 and 5. It is acceptable for the point 7 to just pierce the second surface 3 of the wallboard in a tangential manner with the anchor surface 8 coincidentally interfacing with the outside of second wallboard surface 3. It should be noted that for a fixed radius R of curvature shank 5, the radius of curvature would be approximately equal to the thickness of the panel T, or slightly less and the shank would be of circumferential length of one half Pi times the radius of curvature Rl or less.
  • the anchor of the present invention will work in situations where there is no void, cavity, or hollow behind the wallboard 1 second surface 3, wherein the shank point 7 just pierces the second wallboard surface 3 or does not pierce the second wallboard surface 3.
  • appurtenance 4.5 has a weight W3 and a center of gravity e.g. which is spaced from the interface 4.6 of the wall engaging portion and wall surface 2 by a distance d2.
  • a moment M3 is created corresponding to the distance d2 that effects a force F5 on the arcuate prong about the lowermost point of engagement 9.5 of the wall-engaging portion and the wall or wallboard surface 2.
  • this force is distributed through the core of the wallboard above the arcuate prong 5.
  • the core of the wallboard is much more capable of absorbing this loading than the prior art configurations of Figs. Ia and Ic. Moreover slight loosening of the prong in the wallboard does not affect the integrity of the attachment as significantly as in the prior art.
  • FIGs. 3a, 3b, 3c, and 3d the methodology of attachment of an appurtenance with an attached anchor according to and embodiment of the invention is illustrated.
  • the appurtenance is this case is a hook or slotted hanging device discussed below with respect to Figs. 9b-9d.
  • the appurtenance With the curved prong and wall-engaging portion attached or part of the appurtenance, the appurtenance is rotated about 90 degrees so that the point of the prong is extending horizontally toward the wall with the point of the arcuate prong at a desired entry point on the wall; see Fig. 3a.
  • the point of the prong is inserted into the wall such and is rotatably lowered one quarter of a rotation about a pivot point defined as the upper edge engaged with the wall; see Figs. 3b and 3c.
  • the appurtenance is lowered 90 degrees to the vertical upright position and where the wall engaging portion is flush with the wall; see Fig. 3d.
  • the appurtenant with anchor is simply lifted up by the lower portion of the wall engaging portion to just past horizontal.
  • the anchor of the present invention taking the form of a Double Headed Tack (DHT) 10 shown in figure 6 with the characteristic curved shank 11 with flat surfaces inside 14, and outside 12 terminating in a point 13 distal from head 15.
  • DHT Double Headed Tack
  • a straight shank 16 projects from head 15 opposite the curved shank 11 tapering to a point 17.
  • the anchor 10 would first be inserted into the object to be anchored such as picture frame 51 as shown in figures 16 and 17, prior to mounting the object such as frame 51 onto the wallboard 1.
  • the anchor of the present invention may take the form of a Tack with an
  • the tack 18 has a rectangular head 23 with a layer of adhesive or double sided tape 24 applied to the head 23 surface opposite shank 19.
  • the wallboard anchor of the present invention may take the form of screw mount shank 25 as shown in figure 8a.
  • the curved shank of the anchor has a flat 29 and is integral with an opposing screw shank 30 and tip
  • FIG. 8b illustrates another version of such an anchor 30.2 with prong with a machine screw threads 31 attachable to nuts 31.1. Additional hardware is illustrated as bracket 31.2 and washer 31.3 which can be used in different configurations for attachment of various appurtenances.
  • a second subordinate anchor means configured as a straight prong, an arcuate prong, a screw, double sided tape, or adhesive tack may be used below the primary anchor means, the curved prong.
  • the curved shank anchor keeps the object from pulling away from the wallboard while the anchor below keeps the object from moving vertically and potentially dislodging the curved shank anchor.
  • a subordinate prong 35 will have a radius of curvature R2 about equal to the distance between the subordinate prong and the uppermost point 9.4 of the wall-engagement portion 9 or straight.
  • the subordinate prong will have a slight curvature downward which will tend to firmly secure the wall anchor is place.
  • these wall anchors comprise a body 33 with a hanger slot 36 defined by a hook 36.4.
  • the curved shank 34 would be inserted into the wallboard first and as the hanger 30 rotates downward a second straight shank penetrates the wallboard until the hanger body 33 comes to rest against the wallboard.
  • the straight shank 35 prevents the hanger 32 from moving vertically while the curved shank 34 prevents the hanger 32 from being pulled away from the wallboard when loaded.
  • the invention includes methods of manufacturing wall anchors and methods of manufacturing appurtenances with integral or attached wall anchors.
  • Figs. 9a-9f illustrate embodiments that would be manufactured in distinct ways with the commonality of providing a flat wall engagement portion with a prong extending initially perpendicularly therefrom and curving upwardly following a simple or complex radius of curvature.
  • the prong will be metal, such as steel, although certain other materials such as high strength polymers may be suitable, for example polyetheretherketone (PEEK).
  • PEEK polyetheretherketone
  • the embodiment of Fig. 9a can have the metal prongs insert molded into the body formed of a polymer. The body could also be diecast.
  • the prongs would conveniently be formed from a single piece of bent steel wire.
  • Figs. 9b, 9c, and 9d can be formed by folding or stamping a piece of sheet metal, extending the prongs through holes in the body and securing the prongs by suitable crimping of the body or welding.
  • the embodiment of Figs. 9e and 9f resemble a tack strip used in furniture manufacture.
  • the prongs and openings are formed by stamping to produce a strip that has easy bending break points 33.5 for providing discrete wall anchors with hanging hooks 36.4.
  • the invention also includes providing an assortment of differently sized wall anchors with or without appurtances, for installation in specific sizes of wallboard.
  • the lengths and curvatures of the arcuate prongs will vary to allow optimum selection of a hanger for a specific thickness of wallboard, for example gypsum wallboard.
  • different bodies can be provided with different attachment capabilities, or different appurtenances attached thereto, for example, slots or catches for hanging, and a threaded stud for attachment.
  • an attachment tool can be provided to aid installation of specialty prongs.
  • the invention also includes selection of a suitably sized wall anchor from a plurality of sizes, or types, for a specific thickness of wallboard.
  • a prong with a radius of curvature of about 1 A inch or less and an upper most pivot point on the wall engagement portion of about 1 A inch or less is preferably the size that corresponds to the thickness of the wallboard or less.
  • another aspect of the invention is providing a wall anchor that, when in the upright position, has the tip of the arcuate prong extending a distance e no more than preferably 1 A inch above the uppermost point of the wall engagement portion
  • a more preferable embodiment is where the uppermost point extends no more than 1 A inch above the uppermost point of the wall engagement portion 9.
  • a most preferable embodiment is where the uppermost point extends no more than 1/8 inch above the uppermost point of the wall engagement portion 9.
  • another aspect of the invention is a wall anchor with an arcuate prong that extends into one surface of wallboard, not out the opposite surface, and that has an arcuate portion that is curved upwardly with a piecing tip that is at an angle Al from horizontal set at the entry point of the prong of at least 20 degrees.
  • the angle Al is at least 30 degrees. In an even more preferred embodiment the angle Al is at least 40 degrees.
  • Towel Rack Mount 37 An embodiment of the present invention for hanging towel racks, curtain rods, toilet paper rolls, and the like from wallboard is shown as Towel Rack Mount 37 in figure
  • the standard towel rack mount plate 38 has two anchors 39 added to it.
  • the dual anchor leaf embodiment of the present inventions shown in figures 11 through 15 would provide securing means.
  • This embodiment uses two anchor leaves 40 placed in opposing outward orientation through dual anchor leaf mounting plate 47 slots 48 and into wallboard 1 through first surface 2, and secured in place by fastener 50 acting on anchor leaf head 45 through anchor leaf hole 46 and dual anchor leaf mounting plate fastener hole 49.
  • the present invention also compresses the wallboard slightly between the anchor leaf 40, inner surface 44, and the wallboard-mating surface of the Dual Anchor Leaf Mounting Plate 47.
  • This anchor can be used for anchoring objects to ceilings or walls as the two opposing anchor leaves 40 retain the anchor in place on the wallboard irrespective of gravity and its direction relative to the anchor.
  • a appurtenant configured as a shelf component 53 has a pair of first anchor means configured as the curved prongs such as illustrated in
  • FIG 8a A pair of second or subordinate anchor means configured as subordinate prongs 57 are mounted in the shelf braces 55.
  • the curved prongs or shanks have a fixed radius of curvature R2, which is preferably about the thickness or less of the wallboard into which it will be inserted.
  • the wall-engaging portion 9 has a wall confronting region 9.1 with a flat wall facing and engaging surface 9.3 and a uppermost wall engagement point 9.4 configured as edge or corner is this embodiment.
  • Figure 19 illustrates how the appurtenant 53 is attached to the outside facing surface 2.
  • the arcuate prongs 54 piece the surface of wallboard as in Figure 19 and is then rotated downwardly about corner 9.4, the upper most portion of the wall engaging portion, until the lower subordinate prongs are inserted and the shelf is seated in the fixed seating position illustrated in Figure 20.
  • Figures 21 and 22 show embodiments of the present invention used to mount a appurtenant configured as a toothbrush holder to the wallboard.
  • the holder base body 59 has integral or fixed therein arcuate prongs 60 and a lower subordinate anchor means configured as a screw 61.
  • the top edge 9.4 is positioned with respect to the prongs 60 to provide positional guidance and wall utilization for locating and attaching inserting the prongs.
  • the prongs are inserted as illustrated in Figure 22 and are rotatably lowered about the uppermost point 9.4, configured as a corner, into seating position flush against the wall.
  • the subordinate lower anchor means, the screw 61 is then inserted to lock the unit in place.
  • Figures 23 through 25 show embodiments of the present invention used to mount a towel bar holder to wallboard.
  • the appurtenance is configured as a bracket 37 with integral arcuate prongs that pierce the wall surface 2. Note that such attachment can be accomplished without using the uppermost point of the wall engagement portion of the bracket and still obtain an attachment of high integrity.
  • the subordinate anchor means of the screw 62 secures the bracket in place and the towel bar holder 63 is attached conventionally with set screw 64. Note that with an appurtenance as such it is possible that the arcuate prongs can extend around more than the 1 A rotation as illustrated by the extended point 39.1.
  • the present invention is an anchor that can be used to fasten objects to a hollow or non-hollow wall vertical or at surface constructed using sheetrock, drywall, gypsum, wallboard, or other easily pierced material.
  • the piercing of the surface is accomplished by a point stamped or machined onto the end of a curved flat wire, strip, or sheet with a substantially rectangular or elliptical cross section with the major axis being orthogonal to the radius of the curve in the wire.
  • the wire is bent with such a radius that when the wire is fully inserted into the vertical or flat surface material the flat face of the wire proximal to the pointed tip rests against the outside of the surface 3 opposite that of initial penetration 2 by the wire as shown in figure 1.
  • the anchor When the anchor is inserted into the drywall 1 or other surface material, it follows an arc like path, piercing the second opposite surface from inside the material in a. tangential manner, such that it does not require a hollow cavity in which to enter behind the wallboard.
  • the arched path by which the anchor penetrates provides additional holding capability, making it more difficult to remove the anchor by pulling it directly out of the surface in which it is anchored.
  • the anchor is positioned on installation such that the arc in (he anchor points away from the load or opposing anchor force. Either a similarly curved anchor, or a straight pin, nail or screw is used below the anchor in a vertical installation to provide vertical support keeping the anchor located. Similarly horizontal installations require opposing force anchors co-joined to the device being secured.
  • the radius of the inner arched surface of the anchor can be anything up to approximately the same size as the thickness of the material that the anchor is being attached to. When the material thickness and anchor radius are approximately the same, this can result in the inner arched surface of the anchor piercing the surface opposite that of initial penetration and coming to rest on the surface opposite with the mating arched flat surface of the anchor and the surface opposite being substantially coincident and coplanar at the point of interface between them, resulting in evenly distributed pressure across the interface and reduces the probability of the anchor being pulled through the wallboard material upon loading.
  • the anchor simply lodges within the wallboard material as shown in figures 5 and 17 with the load force on the anchor distributed over the flat face of the shank interface with the wallboard material. In this manner the anchor of the present invention does not require a cavity behind the wallboard, unlike the prior art which does require a hollow or cavity.
  • appurtenances weighing more that one pound are readily supported. Such appurtenance may have a center of gravity more than 2 inches from the wall surface. Preferred embodiments will support appurtenances weighing much more than 5 pounds.
  • the arcuate prong is preferably less than 1.5 inches measured along its lower profile in preferred embodiments, less that 1.25 inches in more preferred embodiments and less than 1.0 inches in other preferred embodiments.
  • the anchor is installed either in opposition to another anchor co-joined to the device to be anchored to the surface, or in the case of a vertical surface the anchor may be installed with a straight connecting device in place of an opposing anchor.
  • the vertical surface installation would typically be done with the anchor tip pointing upwards upon completion of the installation, and may use a straight pin, tack, nail, or screw to secure the bottom of the object being anchored to the surface.
  • the radius flat face anchor of the present invention can be integrated with a tack, nail, screw, or some other fastening device permitting direct use with any number of items to be secured to a wallboard wall, ceiling, or surface.
  • the shank radius does not need to be fixed in that it can vary through the curve profile of the anchor, from twice the wire diameter to infinite (i.e. straight) at certain portions of the shank.

Abstract

La présente invention est conçue pour épingler des accessoires à des panneaux muraux sans nécessiter de trou ou de cavité derrière le panneau mural et en apportant une fixation stable et sécurisée. Dans les modes de réalisation préférés, l'épingle du panneau mural de la présente invention est dotée d'un corps courbe ou d'une broche, dont le point distal est inséré dans le panneau mural dans une trajectoire incurvée vers le haut, une section s'insérant dans le mur à proximité du corps courbe entre en contact et s'insère dans la surface extérieure du mur. De préférence, la section qui s'insère dans le mur présente une surface plane et verticale et le corps courbe s'étend directement de la surface plane de la section s'insérant dans le mur, à l'origine perpendiculairement au, puis se dirige vers le haut avec un rayon de courbure. Le rayon de courbure est de préférence égal à plus ou moins l'épaisseur du panneau mural auquel l'accessoire est fixé. L'accessoire doté de l'épingle de panneau mural est fixé en insérant les broches horizontalement dans le panneau mural et en faisant pivoter l'accessoire vers le bas, vers le mur pour installer l'accessoire contre le mur. Pour retirer l'accessoire, il faut pivoter la partie inférieure vers le haut en l'écartant du mur.
PCT/US2007/004112 2006-02-14 2007-02-14 Fixation d'accessoire de panneau mural WO2007095351A2 (fr)

Applications Claiming Priority (2)

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US77298306P 2006-02-14 2006-02-14
US60/772,983 2006-02-14

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WO2007095351A3 WO2007095351A3 (fr) 2008-04-17
WO2007095351B1 WO2007095351B1 (fr) 2008-06-05

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WO (1) WO2007095351A2 (fr)

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US9775450B2 (en) 2015-06-30 2017-10-03 The Hillman Group, Inc. Wall anchor assemblies and related wall mount systems
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US9775450B2 (en) 2015-06-30 2017-10-03 The Hillman Group, Inc. Wall anchor assemblies and related wall mount systems
US10143316B2 (en) 2015-06-30 2018-12-04 The Hillman Group, Inc. Wall anchor assemblies and related wall mount systems
US10197217B2 (en) 2015-06-30 2019-02-05 The Hillman Group, Inc. Wall anchor assemblies
US10539266B2 (en) 2015-06-30 2020-01-21 The Hillman Group, Inc. Wall anchors
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WO2007095351B1 (fr) 2008-06-05
US20070235622A1 (en) 2007-10-11
WO2007095351A3 (fr) 2008-04-17

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