WO1997000633A1 - Patte de fixation tubulaire renforcee - Google Patents

Patte de fixation tubulaire renforcee Download PDF

Info

Publication number
WO1997000633A1
WO1997000633A1 PCT/AU1996/000371 AU9600371W WO9700633A1 WO 1997000633 A1 WO1997000633 A1 WO 1997000633A1 AU 9600371 W AU9600371 W AU 9600371W WO 9700633 A1 WO9700633 A1 WO 9700633A1
Authority
WO
WIPO (PCT)
Prior art keywords
bracket
flattened
reinforcement member
tabular
interface
Prior art date
Application number
PCT/AU1996/000371
Other languages
English (en)
Inventor
Gary Ian Jones
Original Assignee
Super Hook 2000 Australia Pty. 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 Super Hook 2000 Australia Pty. Ltd. filed Critical Super Hook 2000 Australia Pty. Ltd.
Priority to AU59928/96A priority Critical patent/AU5992896A/en
Publication of WO1997000633A1 publication Critical patent/WO1997000633A1/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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • 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
    • A47B96/06—Brackets or similar supporting means for cabinets, racks or shelves
    • A47B96/061—Cantilever brackets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
    • E05B73/0005—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices using chains, cables or the like
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means

Definitions

  • This invention relates to a reinforced tubular bracket, and in particular to one that includes a flattened portion.
  • Tubular brackets are known and used but a difficulty with such tubular brackets is that they are somewhat awkward to fasten to supporting surfaces. If the cross section is maintained tubular they can be joined by having a fastener passing through the cross section. Generally this might be achieved by drilling through the entire cross section. This is difficult for most tubular structures but especially for those with a circular cross section, it being difficult to accurately locate the hole to be formed.
  • An alternative means of fastening is to have portions of the bracket that are to be joined flattened, so that a fastener can be passed through the flattened portion of the tubular member.
  • the use of flattened portions greatly f cilitates the accurate placement of fasteners and accordingly a higher quahty fitting with tighter tolerances can be produced still using simple construction methods.
  • a tubular bracket comprising an outer tubular element and an inner reinforcing member, said outer tubular element including at least one flattened securing portion to be fastened to a supporting surface and an unflattened supporting portion extending away from the supporting surface when the bracket is secured thereto, the reinforcing member being held in place to overlap at least at an interface between the flattened portion and an adjacent part of the unflattened portion.
  • the reinforcing member is held in place at least at both the securing portion and the supporting portion.
  • the outer tubular element has a circular cross section.
  • the reinforcing member is preferably a flat piece of metal perhaps as commonly referred to as a flat bar. This reinforcement member is held in place at the securing portion by the flattening of the tubular element The supporting portion of the tubular member thus takes the form of a partial laminate.
  • the securing portion is offset towards the supporting surface and more preferably so as to be in line with a supporting surface side of a part of the unflattened supporting portion adjacent the interface.
  • the reinforcing member may take the form of a further tubular element with a cross section profile corresponding to that of the outer tubular element .
  • other reinforcing members may be used, for example it may be desired to have a reinforcement made of plastics.
  • the plastics that is envisaged may be any plastics that gives a reinforcing effect
  • the reinforcement member will give mechanical rigidity to the securing portion and more particularly to the interface between the securing portion and supporting portion ofthe tubular element which interface otherwise may act as a hinge and might otherwise be readily torn, should the interface be flexed several times along the hinging axis of the interface.
  • the mechanical rigidity given by the reinforcing member inhibits the flexing from occurring.
  • the reinforcement also acts as a means to hold the securing portion and the supporting portion together so that in the event that there is fracture or tearing of the tubular element, the two resulting portions are held together in the embodiment where the reinforcement is held both to the securing portion, and the supporting portion.
  • the reinforcement may be a flexible web perhaps of a fabric, preferably woven so that tearing is more difficult
  • the flexible fabric does not inhibit flexing but does act to prevent the securing portion and the supporting portion of the tubular element from being separated, unless the flexible fabric is then purposely cut
  • the fastening of the reinforcing member to the securing portion is conveniently a frictional engagement resulting from the deformation of the tubular member to form the flattened portion.
  • the reinforcement is thus clamped between opposing flat sides of the securing portion of the tubular bracket.
  • the fastening of the reinforcement member to the supporting portion may be varied depending upon the material from which the reinforcing member is made. This may be by means of an adhesive where the reinforcing member is flexible. Alternatively a fastener is used to penetrate a wall of the securing portion and extends through the reinforcing member as well.
  • the reinforcing member is flexible, it is not attached to the supporting portion as such, but may extend between two flat portions that are spaced apart on the tubular bracket such as may be at either ends of the tubular bracket.
  • This alternative fastening means is also apphcable where the reinforcement member is relatively rigid.
  • the reinforcement member is rigid and deformable, for example where it is a metal or certain types of plastics
  • a convenient means of attaching it to the supporting portion is by deforming the supporting portion, and also forcing a deformation in the reinforcing member, so that the deformation of the supporting portion and the reinforcing member are registered together.
  • a fastener may be passed through the supporting portion of the tabular element to fasten the reinforcement member thereto.
  • the reinforcing member may extend over the length of the tabular bracket and may be clamped into position by flat portions of the member that are formed on either end of the supporting portions.
  • One application of this invention is as a security device, whereby a movable element is fixed to a first part of the tabular bracket and having a free end for locking to a receiving means on a second part of the tabular bracket by a locking means, so that an article may be positioned over the supporting portion ofthe tubular bracket, the moveable element moved over it and locked into place to secure said item on the supporting portion.
  • the tubular member takes the form of a hook, the movable element connecting between an upright portion of the hook and a free end of the hook.
  • the free end of the hook is also flattened to form a second flattened end and preferably includes a reinforcing member held into place at a second interface between a second flattened end and an adjacent unflattened portion of the supporting portion.
  • the second flattened end may have a hole therethrough for receiving a securing member such as a padlock.
  • the moveable element may take the form of a chain, a cable or a pivotable gate, or other suitable form.
  • the metal from which the tubular element is formed may be selected from any one suitable for a particular task. It may be desired, for example that the metal selected is rather pliable and soft and for the purpose of aesthetic appeal, and that the reinforcing member provides the structural support required for the task performed. Alternatively it may be desired to provide as good a weight to strength ratio with economical materials as is possible, and thus the tubular element may be made of steel having a circular cross section, and the reinforcing member may be also formed from steel in the form of a flat bar.
  • Figure. 1 is a side view of a first embodiment showing a lockable hook supported on a surface with a chain in place and secured by a padlock to a free end of the hook,
  • Figure 2 is a close-up view from the rear of the flattened securing end of the first embodiment showing the position ofthe flat bar within the lockable hook
  • Figure 3 is a cross sectional view through III-III of figure 2, showing details of the manner in which the reinforcing flat bar is deformed where the outer tubular element is crimped,
  • Figure 4 is a cross sectional view of a second embodiment showing a bracket having a tubular metal reinforcement member throughout its length
  • Figure 5 is a cross sectional view of a third embodiment showing a lockable hook, the outer tubular element broken at an interface between the securing portion and the tubular supporting portion, having a flexible reinforcement member supporting the two broken parts,
  • Figure 6 is a cross sectional view of the flattened securing portion and an upper part of the supporting portion of a fourth embodiment, wherein a flexible reinforcement member is used, and is adhered to the outer tubular element, and
  • Figure 7 is a similar cross sectional view to that shown in Figure 6 except that a flat bar is used, and whereby a fastener is passed though the tubular supporting portion to fasten the reinforcement member.
  • the illustrated embodiments show a tabular metal bracket (1) including a flattened securing portion (2) at one end of the bracket for securing to a support surface (3) such as a wall, and an unflattened supporting portion (4).
  • the bracket is constructed largely of an outer tubular element (5) and an inner reinforcing member (6). The reinforcing member is held in place to overlap at least an interface (7) between the securing portion and the unflattened supporting portion (4).
  • the first embodiment could be described as a tobular locking hook.
  • the tubing or outer tabular element of the locking hook is circular in cross section with an outside diameter of about 23 mm and with a wall thickness of about 1 mm and is of steel.
  • the tubular element has been flattened and is done so such the flattened portion is offset from an axially central position.
  • the offset is such that the supporting surface side of the flattened securing portion is generally in line with the supporting surface side of the unflattened supporting portion.
  • a reinforcing member in the form of a tongue of flat iron (flat bar) (6) is fixed in position at an interface (7) between the flattened saecuring portion and the tabular supporting portion, and overlaps with both the securing portion and the supporting portion.
  • the flat bar is approximately 3 mm in thickness, and its position is shown in broken outline in Figure 2. The flat bar is held in position between opposed flat sides of the securing portion (2) and is in frictional engagement therewith.
  • the flat bar is held in position because it is deformed together with the tabular element during flattening of the flattened securing portion of the bracket.
  • the flat bar has been deformed from a flat bar to one that has an end curved by reason of being pushed downwards and being forced against two deformities (10, 11) formed by a crimping action in the tubular element during the flattening process.
  • the free end (6a) of the flat bar is forced to a side opposite to which the flattened portion is offset, and registers against the inside of the tubular element at (6b).
  • a tip ( 13) of the flattened securing portion (2) of the tabular element is flattened completely so that walls of the tabular element are in physical contact
  • Two apertures (17, 18) are provided through the securing portion (2) so that the bracket can be secured to a fixture, for example, the back of a truck by means of two fasteners (17a, 18a) such as self tapping bolts.
  • a similar structure of reinforcement and flattening is provided at the free end (20) of the supporting portion of the bracket
  • a chain (14) has a fixed end (15) welded to an upright part ofthe supporting portion of the bracket, and the chain includes a free end (16) which is movable and may be locked to the free end (3) of the supporting portion of the bracket by a padlock (21) passing through locking aperture (17) and the last link of the chain.
  • the manufacture of the bracket is achieved by forming a hook shape in the tabular element in a tabe bender, then positioning the reinforcing member (6) in a securing end of the tabular bracket flattening the securing end in a press, thereby crimping the tabular portion of the tubular member immediately adjacent the corresponding interface, and bending the flat reinforcing member so that its free end (6b) registers onto the inside ofthe supporting portion of the tabe.
  • Appropriate apertares (17b, 18b) are then drilled through the securing portion of the bracket.
  • the chain (14) is then welded in place.
  • a finish, such as a powder coating, is then apphed, to provide an appropriate aesthetic appeal.
  • the tabular element is initially circular in cross section, but is flattened at the flattened securing portion (2).
  • the unflattened supporting portion (4) will also take on a shape different to its original shape as a result of being bent into a hook shape, and will thus be out-of-round.
  • the flattened securing portion (2) takes on a similar configuration to that shown in the first embodiment.
  • the unflattened, supporting portion (4) is considerably more extended than the first embodiment, and includes two bends (30, 31) that are of smaller radius than the curvature of the hook shaped supporting portion of the first embodiment.
  • the reinforcing member instead of being a flat metal member is a member of circular cross section, of a diameter to fit within the outer tabular element (5). It can be seen that as with the first embodiment the reinforcing member is held firmly in place at the flattened securing portion of the bracket by reason of being wedged between the flattened securing portion. The reinforcing member in this embodiment is firmly held in place by reason of the deformities (11) also impacting on the unflattened side of interface (7) as well as by reason of the interference caused between the tabular element and the reinforcing member at curves 30 and 31 where the outer tubular element is out of round, and frictionally engages the inner reinforcement member.
  • FIG. 5 This embodiment takes on a similar construction to that of the first embodiment except that the reinforcing member is flexible, and extends along the length of the bracket.
  • Figure 5 shows a fracture at the interface (7) caused by working the bracket back and forwards.
  • the tabular element between the flattened securing portion (2) and the unflattened supporting portion (4) has been severed and the two resulting parts are held together by the flexible reinforcement web (6).
  • the reinforcement member of this embodiment may be made from a suitable plastics material, or from a suitable fabric which might be woven, for example from nylon. This material is held in place by the pressures exerted on it at both flattened portions ofthe bracket
  • FIG. 5 An alternate means of fastening a shorter length of such flexible material is shown in Figure 5, whereby a flat web of flexible plastics material is bonded firmly to the unflattened supporting portion of the bracket by a suitable adhesive (33) ,which might be a two part resin specifically for adhering plastics to metal.
  • a suitable adhesive (33)
  • a further alternative means of fastening either a web of flexible material, a plastics reinforcement member or a metal reinforcement member is by means of a fastener (34) , for example a rivet, passing through the unflattened supporting portion ofthe bracket and the reinforcement member to thereby locate the reinforcement member, as shown in Figure 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

L'invention concerne une patte de fixation comprenant un élément tubulaire extérieur (5, 6b) aplati pour fixer ladite patte de fixation sur une surface porteuse. Une section non aplatie de l'élément tubulaire fait saillie sur la surface porteuse lorsque la patte de fixation est fixée. Un élément de renforcement intérieur (6) est maintenu en place de manière à se trouver en recouvrement au moins à une interface située entre la section aplatie et une partie adjacente de la section non aplatie. On utilise de préférence une barre (6) plate comme élément de renforcement et la section aplatie est décalée par rapport à la face du support, la barre plate étant déformée (6a) afin de s'aligner intérieurement sur la face de la section non aplatie.
PCT/AU1996/000371 1995-06-21 1996-06-20 Patte de fixation tubulaire renforcee WO1997000633A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU59928/96A AU5992896A (en) 1995-06-21 1996-06-20 A reinforced tubular bracket

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPN3715 1995-06-21
AUPN3715A AUPN371595A0 (en) 1995-06-21 1995-06-21 A reinforced tubular member

Publications (1)

Publication Number Publication Date
WO1997000633A1 true WO1997000633A1 (fr) 1997-01-09

Family

ID=3788055

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1996/000371 WO1997000633A1 (fr) 1995-06-21 1996-06-20 Patte de fixation tubulaire renforcee

Country Status (2)

Country Link
AU (1) AUPN371595A0 (fr)
WO (1) WO1997000633A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1565108A (en) * 1925-02-13 1925-12-08 James L Riley Adjustable wall bracket
US1795059A (en) * 1929-05-10 1931-03-03 Lyon Metal Products Inc Coat hook
DE1021649B (de) * 1953-06-17 1957-12-27 Eugen Fiechter Anhaengevorrichtung mit einem Halteteil zum Tragen von Gegenstaenden und einem das Halteteil tragenden Befestigungsteil
US3232572A (en) * 1962-07-03 1966-02-01 Ekstrom Orjan Vilhelm Fastening device for wall-hooks and similar mounting devices
DE1811470A1 (de) * 1968-11-28 1970-06-18 Walther Tauber Beweglicher Haken
DE2000964A1 (de) * 1970-01-10 1971-07-15 Rigips Baustoffwerke Gmbh Aufhaengevorrichtung
BE835319A (fr) * 1975-07-15 1976-03-01 Dispositif-porteur et d'empilage de divers objets
CH682342A5 (en) * 1990-05-22 1993-08-31 Raalte Tom J A Production method for hook - has straight cut side edges involving flat material and is bent to shape in single operation
AU1226595A (en) * 1994-12-13 1995-05-04 Super Hook 2000 Australia Pty Ltd Bracket

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1565108A (en) * 1925-02-13 1925-12-08 James L Riley Adjustable wall bracket
US1795059A (en) * 1929-05-10 1931-03-03 Lyon Metal Products Inc Coat hook
DE1021649B (de) * 1953-06-17 1957-12-27 Eugen Fiechter Anhaengevorrichtung mit einem Halteteil zum Tragen von Gegenstaenden und einem das Halteteil tragenden Befestigungsteil
US3232572A (en) * 1962-07-03 1966-02-01 Ekstrom Orjan Vilhelm Fastening device for wall-hooks and similar mounting devices
DE1811470A1 (de) * 1968-11-28 1970-06-18 Walther Tauber Beweglicher Haken
DE2000964A1 (de) * 1970-01-10 1971-07-15 Rigips Baustoffwerke Gmbh Aufhaengevorrichtung
BE835319A (fr) * 1975-07-15 1976-03-01 Dispositif-porteur et d'empilage de divers objets
CH682342A5 (en) * 1990-05-22 1993-08-31 Raalte Tom J A Production method for hook - has straight cut side edges involving flat material and is bent to shape in single operation
AU1226595A (en) * 1994-12-13 1995-05-04 Super Hook 2000 Australia Pty Ltd Bracket

Also Published As

Publication number Publication date
AUPN371595A0 (en) 1995-07-13

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