WO2000066869A1 - Dispositif de fermeture extensible et element d'ossature pour son utilisation - Google Patents

Dispositif de fermeture extensible et element d'ossature pour son utilisation Download PDF

Info

Publication number
WO2000066869A1
WO2000066869A1 PCT/ZA2000/000077 ZA0000077W WO0066869A1 WO 2000066869 A1 WO2000066869 A1 WO 2000066869A1 ZA 0000077 W ZA0000077 W ZA 0000077W WO 0066869 A1 WO0066869 A1 WO 0066869A1
Authority
WO
WIPO (PCT)
Prior art keywords
upright
expansible
closure according
component
expansible closure
Prior art date
Application number
PCT/ZA2000/000077
Other languages
English (en)
Inventor
Michael Livanos
Original Assignee
Michael Livanos
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 Michael Livanos filed Critical Michael Livanos
Priority to AU50497/00A priority Critical patent/AU5049700A/en
Publication of WO2000066869A1 publication Critical patent/WO2000066869A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
    • E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
    • E06B9/0615—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the closing elements
    • E06B9/063—Bars or rods perpendicular to the closing direction
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
    • E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
    • E06B9/0646—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position
    • E06B9/0653—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position stored side by side in the closing plane
    • E06B9/0661—Lazy tongue, pantograph or scissor-like systems in the plane of the opening

Definitions

  • This invention relates to an expansible closure and to a structural member which is suitable for use in an expansible closure.
  • expansion closure is intended to include closures and barriers for doors, windows and other openings which are made from elongate members
  • closures which are interconnected to each other using, inter alia, pivot components which enable the closures to expand or retract with a scissors type action.
  • closures are primarily of utilitarian nature and this has given rise to the situation in which there is a requirement of being able to provide a closure which affords a significant degree of security while, at the same time, retaining an aesthetically pleasing appearance.
  • the invention provides, in the first instance, a structural member for an expansible closure of the aforementioned kind which includes first and second elongate components which are parallel to each other and which are respectively made from materials of different
  • the first component may be of any appropriate shape or cross-section and preferably is tubular.
  • the second component may also be of any suitable shape or cross-section and
  • the first component may be extruded or otherwise formed from any suitable material such as aluminium, plastic, mild steel or the like.
  • the outer shape and surface finish of the first component may be chosen so that they are aesthetically pleasing and satisfying.
  • the second component is made from material which is tougher or stronger than material
  • the second component may for example be
  • the second component may be provided in any suitable form and for example may comprise rods, strip, flat bar or the like
  • the invention provides, in the second instance, an expansible closure which includes a
  • the said lattice or trellis type arrangement may be of any appropriate configuration and the scope of the invention is not limited in this regard
  • Each cross member may have a first end which is anchored to a first upright and a second
  • the said first ends of two cross members are anchored to the same first upright and the said second ends of the two cross members are respectively slidably engaged with two second uprights.
  • the said first ends may be fixed to a pivot member which, in turn, is fixed to an upright
  • the pivot member may include a low friction component such as a bush which enables the
  • cross members to pivot with relative ease relatively to the upright.
  • Each upright may be formed from two sections which are engaged with one another.
  • said pivot member may be fixed to one section and may be slidably engageable with the second section thereby to assist in fixing the sections to each other
  • Additional means may be used for fixing the sections to each other Such means may take
  • the invention may comprise a plurality of inserts which are respectively each fixed to one section and which are slidably engageable with the other section
  • the cross members at their second ends, may be pivotally fixed to connecting members
  • Upper and lower ends of the expansible closure may be slidably engaged with respective upper and lower tracks which are fixed to appropriate support structure
  • Each track may include at least one longitudinally extending formation and opposed ends of each upright may be formed with formations which are complementary to the
  • Figure 1 is a schematic side view of an expansible closure according to one form of the
  • Figure 2 is a cross-sectional view of a portion of the closure of Figure 1 taken on the line
  • Figure 3 is a view similar to Figure 2 but taken on a line 3-3 in Figure 1
  • Figure 4 is a cross-sectional view of a cross member which is used in the closure of Figure 1 ,
  • Figure 5 illustrates a joining insert
  • Figure 6 depicts the way in which the insert of Figure 5 is used
  • Figure 7 is a cross-sectional view of an upper end of the closure of Figure 1 taken on a line 7-7, and of a lower end of the closure, taken on a line 7A-7A,
  • Figure 8 is a cross-sectional view of an upright, for use in an expansible closure, which
  • Figure 9 is a cross-sectional view of an end of a closure engaged with a frame member.
  • FIG. 1 of the accompanying drawings illustrates a closure 10 according to the invention
  • the closure 10 includes an upper track 12 and a lower track 14 which are respectively
  • a plurality of horizontally spaced and vertically oriented uprights 16 extend between the upper and lower tracks 12 and 14.
  • arrays 18 and 20 of cross members 22 extend horizontally across the uprights 16.
  • the cross members 22 are arranged in a scissors-type configuration.
  • the lower ends 24 of each adjacent pair of cross members are pivotally fixed, in a manner which is described
  • cross members are pivotally and slidingly fixed to a respective upright.
  • the cross members intersect or cross one another at central locations 28 which coincide with the position of an intermediate upright 16. At these locations one or both of the cross members may, if required, be pivotally fixed to the upright.
  • Figure 2 illustrates the construction at the lower ends 24 of each adjacent pair of cross members.
  • Each upright 16 includes first and second sections 16A and 16B respectively which are extruded from any appropriate material such as aluminium to an attractive and
  • section 16A has a tubular portion 30 and a hardened steel rod 32 of any appropriate
  • a pivot member 34 which is moulded from a suitable plastics material, has a central passage 36 and a rivet 38 is passed through the passage and is used to fix the pivot member to a wall 40 which forms one side of the
  • a metal bush 42 is located on the pivot member 34.
  • cross members 22A and 22B respectively, are formed with holes 44 and 46
  • a slot 48 is formed in a side wall of the first section 16A so that the cross member 22A can project to one side of the upright.
  • a slot 50 is formed in an opposing side wall of the section so that the cross member 22B can pass there through and extend to an opposing side of the upright.
  • the pivot member 34 has a shaped head 52 which includes two channels 54, and ribs 56 on the second section 16B are engageable therewith, with a sliding type action, thereby to fix the first section 16A to the second section 16B.
  • the two sections are formed with internal strengthening ribs 58.
  • Figure 3 is a cross-sectional view of the closure shown in Figure 1 illustrating the
  • connecting member 62 which is a moulded plastic insert.
  • the insert has a protruding end 64 which is engageable with a sliding fit between spaced ribs 66 on a
  • An opposing end of the insert has a head 68 which is substantially similar to the shaped head 52 shown in Figure 2. In other respects the assembly shown
  • each adjacent pair of cross members can move vertically, within their respective uprights, with the cross members protruding through respective slots 50A and 48A.
  • Figure 4 illustrates in cross-section a cross member 22.
  • the cross member includes an extruded tubular profile 70 with a curved outer surface 72 and a relatively flat inner surface 74 which faces onto a corresponding flat inner surface of an adjacent cross member (not shown).
  • FIG. 5 illustrates a joining insert 78 which is moulded from a plastics material
  • Figure 6 illustrates the way in which the insert 78 is used
  • the insert is complementary in cross- sectional shape to and is engageable with a sliding fit with, one side of the first section 16A of an upright
  • a rivet 80 is used to fix the insert to the wall 40 of the section 16A
  • the insert has a head 82 which is similar to the head 52 shown in Figure 2
  • a number of the inserts are used at spaced intervals along the length of each upright to fix the two sections
  • Figure 7 is a view in cross-section of the upper track 12 taken on the line 7-7 in Figure 1 ,
  • the track 12 is formed from an aluminium extrusion and has internal flat surfaces 84,
  • Each upright 16 at its upper end, has a moulded plastic insert 90 which is fixed to the insert
  • a hardened steel pin 92 projects from the insert and is fixed to an axle 94 which
  • the pin passes through the slot 88
  • the insert 90 has formations 98 which correspond in cross-sectional shape to the channel formations 86.
  • the arrangement is such that the upright can move in the same direction as the direction in which the track 12 extends but, if an attempt is made to move the
  • each upright 16 has an insert 102 formed from a moulded plastics material which is plugged into the lower end of the insert.
  • a hardened metal pin 104 extends from the insert 102 and passes through a slot 106 into the interior of the track 14
  • the pin 104 has an enlarged head 108
  • the insert 102 and an upper surface of the track 14 are formed with complementary channel and groove formations 110 which enable the upright to move with a sliding action relatively to the track 14.
  • the formations 110 provide a restraining
  • pivot members 34 which are rivetted to one section and then slidingly engaged with the
  • FIG. 8 illustrates an upright 114 in cross section, formed from a modified first section 116A and a modified second section 1 16B.
  • the sections are joined together using pivot members and joining inserts, in the manner hereinbefore described but, in addition, are fixed ' to each other, with a sliding type action, by engaging longitudinally extending complementary hook type formations 118 and 120, on longitudinal edges of the sections, with each other. In this way the sections are firmly fixed together at all locations along their lengths.
  • Another difference is that the flat
  • ribs 58 shown in Figures 2 and 3 are replaced by larger and hence stiffer, bulbous ribs 58A.
  • Figure 9 shows, in cross section, an end member 130 of a closure which includes the features shown in Figure 8.
  • the member 130 is used as the last upright on that side of the closure 10 (see Figure 1 ) which is moved to and fro to open, or close, the closure.
  • opposing side 130A is normally attached to fixed structure (not shown).
  • the member 130 has a portion 132 and a parallel portion 134 which, as noted, is similar
  • the portion 134 has a central longitudinal recess 136 which is engageable with a nesting action with a longitudinal rib 138 on a frame member 140 which is fixed to a wall (not shown).
  • each tubular portion of the members 130 and 140 is desirable to include a respective hardened steel rod (not shown) inside each tubular portion of the members 130 and 140, for security purposes.
  • the invention is based, in the first instance, on the use of structural members, in the closure 10, which are made from materials of different characteristics.
  • each upright, and each cross member is formed from an aluminium extrusion of an attractive and pleasing profile and it is strengthened, to ensure that adequate security levels are provided, by the use of an internal insert of a hardened metal.
  • each upright is made from two sections which are secured to each other.
  • a further safety feature is provided by the interlocking formations between the tracks and the upper and lower ends of the uprights,
  • the structural members used in the closure may have any appropriate external profile.
  • the inserts which provide the security level of the closure may be shaped according to requirement and for example may comprise flat bar, tubing or the like. The invention is not limited in any way in this regard. It is preferred that the inserts are
  • appropriate elongate member (used as an upright or cross member), made from a first material and with an attractive profile can be strengthened, or reinforced, by means of one

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Gates (AREA)

Abstract

L'invention concerne un dispositif de fermeture extensible obtenu à partir d'une pluralité de montants espacés et une pluralité de traverses disposées selon une configuration de type ciseaux et reliées aux montants de manière à pouvoir pivoter. Chaque montant et chaque traverse est obtenu après extrusion d'un aluminium et une tige d'acier durcie est placée dans l'extrusion.
PCT/ZA2000/000077 1999-04-29 2000-04-28 Dispositif de fermeture extensible et element d'ossature pour son utilisation WO2000066869A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU50497/00A AU5049700A (en) 1999-04-29 2000-04-28 Expansible closure and structural member for use therein

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA992990 1999-04-29
ZA99/2990 1999-04-29

Publications (1)

Publication Number Publication Date
WO2000066869A1 true WO2000066869A1 (fr) 2000-11-09

Family

ID=25587697

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2000/000077 WO2000066869A1 (fr) 1999-04-29 2000-04-28 Dispositif de fermeture extensible et element d'ossature pour son utilisation

Country Status (2)

Country Link
AU (1) AU5049700A (fr)
WO (1) WO2000066869A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2012202837B2 (en) * 2011-05-16 2015-09-17 Ezi Roll Doors Australia Pty Ltd Concertina Door Arrangement

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB587508A (en) * 1944-01-26 1947-04-28 John Wolfenden Improvements in gates for lifts and lift landings
EP0557254A1 (fr) * 1992-02-17 1993-08-25 TE. SI. FLEX S.r.l. Grille extensible pour la protection des portes et fenêtres

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB587508A (en) * 1944-01-26 1947-04-28 John Wolfenden Improvements in gates for lifts and lift landings
EP0557254A1 (fr) * 1992-02-17 1993-08-25 TE. SI. FLEX S.r.l. Grille extensible pour la protection des portes et fenêtres

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2012202837B2 (en) * 2011-05-16 2015-09-17 Ezi Roll Doors Australia Pty Ltd Concertina Door Arrangement

Also Published As

Publication number Publication date
AU5049700A (en) 2000-11-17

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