WO2004102014A1 - Procede pour fabriquer une piece d'ancrage pour panneau - Google Patents

Procede pour fabriquer une piece d'ancrage pour panneau Download PDF

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Publication number
WO2004102014A1
WO2004102014A1 PCT/IB2003/001971 IB0301971W WO2004102014A1 WO 2004102014 A1 WO2004102014 A1 WO 2004102014A1 IB 0301971 W IB0301971 W IB 0301971W WO 2004102014 A1 WO2004102014 A1 WO 2004102014A1
Authority
WO
WIPO (PCT)
Prior art keywords
anchor
section
anchor section
ring member
ring
Prior art date
Application number
PCT/IB2003/001971
Other languages
English (en)
Original Assignee
Koyokizai, Co., Ltd.
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 Koyokizai, Co., Ltd. filed Critical Koyokizai, Co., Ltd.
Priority to PCT/IB2003/001971 priority Critical patent/WO2004102014A1/fr
Publication of WO2004102014A1 publication Critical patent/WO2004102014A1/fr

Links

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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
    • F16B13/0808—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation by a toggle-mechanism

Definitions

  • the present invention provides a method for fabricating an improved board anchor, the board anchor affixing an object to a wall or board.
  • Conventional prior art board anchors consist of a shaft section, an anchor section affixed to one edge of the shaft and a screw section formed at the other end of the shaft.
  • the shaft section When affixing an object to a board, the shaft section is inserted through a hole bored through one side of a wall, while the anchor section is in flush contact with the wall.
  • the board On the other side of the wall, the board is placed against the wall so that the shaft is inserted into the screw hole in the board, and the board is pressed and anchored to the wall by tightening a nut attached to the screw section.
  • What is desired is to provide a technique for fabricating a unique board anchor which is less costly than the techniques currently available.
  • the present invention provides a method for fabricating an improved anchor board.
  • the anchor board comprises an anchor section having a screw section, an attachment, or reverse, ring and a plate spring.
  • the anchor section preferably formed by stamping, is U-shaped and comprises two vertically extending leg members and a base member having an opening formed therein. Each vertically extending arm member has adjustment holes formed therein.
  • the ring member formed by stamping, is, in the preferred embodiment, curved and has two protrusions formed along its circumference.
  • the formed anchor section is positioned on a mold, the protrusions on the ring inserted into the adjustment holes in the anchor section arms and a force is applied to the ring. The force substantially flattens the ring, securing the ring to the anchor section. Threads are then tapped through the aligned holes in the ring member and the screw section of the anchor section .
  • a formed plate spring is then attached to the anchor section.
  • one leg member of the anchor section is formed at an angle to the longitudinal axis of the section, one of the ring member protrusions being inserted into a corresponding adjustment hole formed on the anchor section arm member.
  • the angled arm member is then forced towards the longitudinal axis in a manner such that the other ring member protrusion is inserted into the corresponding adjustment hole of the leg member, securing the ring member to the anchor section.
  • the tapped openings are formed as set forth hereinabove and the plate spring then attached to the anchor section.
  • the present invention thus provides a efficient and relatively inexpensive technique for fabricating a board anchor.
  • Figure 1 is a front elevation view of the board anchor fabricated by the method of the present invention
  • Figure 2 is a bottom perspective view of the anchor section portion of the board anchor shown in Figure 1 ;
  • Figure 3 is a perspective view of a formed anchor section
  • Figure 4 is a perspective view of a formed ring member
  • Figure 5 is a perspective view of a formed plate spring
  • Figure 6 illustrates the insertion of the anchor section of Figure 1 into a mold machine and the insertion of the ring member into the anchor section holes;
  • Figure 7 illustrates the machine upper mold in position to act on the lower mold
  • Figure 8 illustrates the lower mold after the stamping process is completed
  • Figure 9 illustrates the process of tapping threads in the ring member and the hole in the anchor section protrusion
  • Figure 10 illustrates the step of adding the plate spring to the anchor section
  • Figures 11(a) and 11(b) illustrate a second embodiment for securing the ring member to the anchor section.
  • the basic components of the anchor board 13 of the present invention comprise anchor section 2, attachment ring 8 and spring 3.
  • the details of the board anchor fabricated in accordance with the teachings of the present invention is disclosed in Japanese Patent Application No. 2000-238503, filed August 7, 2000.
  • Anchor board 13 is equipped with screw shaft 1, freely movable, U, or rectangularly, shaped anchor section 2 connected via attachment ring 8 to screw shaft 1, plate spring 3, (a pressure device that re-positions anchor section 2 to a 90 degree crosswise position to screw shaft 1 from a position parallel with the shaft), and a mechanism 4 which stops the anchor section 2 at the cross position.
  • Attachment ring 8 is screwed onto end section la of screw shaft 1.
  • Anchor section 2 has a screw section 2a, scew section 2a extending from the upper surface of anchor section 2, where screw shaft 1 is inserted.
  • screw section 2a of anchor section 2 incorporates a screw hole 9 that fits screw shaft 1 in an open position.
  • end section 2b of anchor section 2 has plate spring 3 clamped on with the force of the spring strength.
  • Anchor section 2 has leg, or flange, sections 2c, 2c with trapezoid shaped extensions 6, 6 to fit in the inner circumference of a wall insertion hole (not shown).
  • Flat plate protrusions, or trunnions, 8a, 8a are formed on attachment ring 8 and adjustment holes 7, 7 are formed on extensions 6, 6 of anchor section 2.
  • Protrusions formed within adjustment holes 7,7 are shaped to restrict the rotation of attachment ring 8 against anchor section 2 and cause trunnions 8a, 8a to stop anchor section 2 in a correct position.
  • the stopper mechanism 4 (Fig. 1) is comprised of the trunnions 8a, 8a of attachment ring 8 and adjustment holes 7, 7 of anchor section 2.
  • Plate spring 3 is clamped onto edge section 2b of anchor section 2 by the force of the spring.
  • Anchor section 2 ( Figure 3) and attachment ring 8 ( Figure 4) are fabricated by a stamping process; spring 3 ( Figure 5) is fabricated by forming.
  • the stamping and forming processes are conventional.
  • Attachment ring 8, in a first embodiment, is stamped in a curved shaped as illustrated in order to enable the protrusions around its circumference to be inserted into the openings formed in the legs of the anchor section 2 as will be set forth hereinafter.
  • a machine which can be operated manually and has an upper mold 20 and a lower mold 22 exemplifies a fabrication device that can be used in the fabrication of anchor section 2.
  • anchor section 2 after fabrication, is inserted into lower mold 22.
  • the upper mold 20 is then lowered in the direction of the arrow into contact with ring 8, the resultant force flattening ring 8 and securing ring 8 to the anchor section 2 as shown in Figure 8.
  • the assembled anchor part 28 is then positioned on tapping installation mold 30 as shown in Figure 9 in a manner such that the opening 32 formed in attachment ring 8 is aligned with the opening in anchor screw section 2.
  • a tapping device 34 is used to form aligned and continuous threads in anchor screw section 2 and attachment ring 8 (a support device, not shown, is utilized to hold the ring 8 in place during the tapping process so that the thread formed therein is aligned with the thread formed in anchor part 28; this enables shaft 1 (fixing bolt) to smoothly screw in through ring 8 and anchor part 28 and function as required).
  • spring 3 is then mounted to anchor section 2 as shown in Figure 10, resulting in the basic components of the board anchor 13 of the present invention.
  • one of the leg members T of anchor section 2 has been formed at an angle to the longitudinal axis 40 of the anchor section 2.
  • the ring member 8 is then positioned such that the protrusion on one side of the ring member 8 is inserted into the adjustment hole on leg member 7.
  • a force is then applied to leg member T such that the other protrusion on the ring member 8 is inserted through the adjustment hole in leg member T as shown in Figure 11 (b).
  • This process secures the ring member 8 to the anchor section 2.
  • the thread tapping process and the plate spring addition is identical to the process described hereinabove.
  • the present invention thus provides a relatively simple and cost efficient anchor board fabrication technique and in particular, wherein aligned threads in the ring and anchor part are formed easily with a minimum of process steps.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

L'invention concerne un procédé pour fabriquer une pièce d'ancrage perfectionnée pour panneau. Cette dernière comporte un profilé d'ancrage, une bague de fixation et un ressort à lames. Ce profilé d'ancrage, de préférence formé par estampage, est en forme de U et comprend deux ailes verticales et un élément de base d'où part un profilé vissé dans lequel est ménagée une ouverture. Un trou de réglage est pratiqué dans chaque aile verticale. Dans le mode préféré de réalisation, la bague est incurvée et présente deux protubérances formées le long de sa circonférence. Le profilé d'ancrage est positionné sur un moule, les protubérances de la bague s'insérant dans les ouvertures des ailes verticales, et un effort est appliqué sur la bague qui s'en trouve sensiblement aplatie et ainsi assujettie au profilé d'ancrage. Des filetages sont ensuite exécutés par taraudage dans les trous alignés ménagés dans la bague et l'ouverture pratiquée dans le profilé vissé. Un ressort à lames moulé est ensuite fixé au profilé d'ancrage.
PCT/IB2003/001971 2003-05-13 2003-05-13 Procede pour fabriquer une piece d'ancrage pour panneau WO2004102014A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IB2003/001971 WO2004102014A1 (fr) 2003-05-13 2003-05-13 Procede pour fabriquer une piece d'ancrage pour panneau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2003/001971 WO2004102014A1 (fr) 2003-05-13 2003-05-13 Procede pour fabriquer une piece d'ancrage pour panneau

Publications (1)

Publication Number Publication Date
WO2004102014A1 true WO2004102014A1 (fr) 2004-11-25

Family

ID=33446342

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2003/001971 WO2004102014A1 (fr) 2003-05-13 2003-05-13 Procede pour fabriquer une piece d'ancrage pour panneau

Country Status (1)

Country Link
WO (1) WO2004102014A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018102902A1 (fr) * 2016-12-08 2018-06-14 Cobra Fixations Cie Ltee - Cobra Anchors Co. Ltd. Ensemble d'ancrage pour élément de fixation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB544088A (en) * 1940-01-23 1942-03-26 Eric Raymond Alfonso Improved nut assembly for wall or anchorage bolts
FR923365A (fr) * 1946-03-05 1947-07-04 Rawlplug Co Ltd Dispositif de fixation perfectionné
FR2446405A1 (fr) * 1979-01-15 1980-08-08 Plombelec Dispositif de fixation sur paroi
EP0725219A1 (fr) * 1995-02-03 1996-08-07 Ccl Systems Limited Dispositif d'ancrage
US20020015629A1 (en) * 2000-08-07 2002-02-07 Koyo Kizai Co., Ltd. Board anchor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB544088A (en) * 1940-01-23 1942-03-26 Eric Raymond Alfonso Improved nut assembly for wall or anchorage bolts
FR923365A (fr) * 1946-03-05 1947-07-04 Rawlplug Co Ltd Dispositif de fixation perfectionné
FR2446405A1 (fr) * 1979-01-15 1980-08-08 Plombelec Dispositif de fixation sur paroi
EP0725219A1 (fr) * 1995-02-03 1996-08-07 Ccl Systems Limited Dispositif d'ancrage
US20020015629A1 (en) * 2000-08-07 2002-02-07 Koyo Kizai Co., Ltd. Board anchor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018102902A1 (fr) * 2016-12-08 2018-06-14 Cobra Fixations Cie Ltee - Cobra Anchors Co. Ltd. Ensemble d'ancrage pour élément de fixation
US11280362B2 (en) 2016-12-08 2022-03-22 Cobra Fixations Cie Ltee—Cobra Anchors Co. Ltd. Anchor assembly for fastener

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