EP0901554B1 - Folding blinds for windows and doors - Google Patents

Folding blinds for windows and doors Download PDF

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Publication number
EP0901554B1
EP0901554B1 EP97925269A EP97925269A EP0901554B1 EP 0901554 B1 EP0901554 B1 EP 0901554B1 EP 97925269 A EP97925269 A EP 97925269A EP 97925269 A EP97925269 A EP 97925269A EP 0901554 B1 EP0901554 B1 EP 0901554B1
Authority
EP
European Patent Office
Prior art keywords
slats
box
blind
guide
cams
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP97925269A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0901554A1 (en
Inventor
Antonio Cittadini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0901554A1 publication Critical patent/EP0901554A1/en
Application granted granted Critical
Publication of EP0901554B1 publication Critical patent/EP0901554B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E06B9/0646—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
    • E06B9/0669—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 in a zig-zag arrangement
    • 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
    • E06B9/0638—Slats or panels
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58—Guiding devices
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/26—Suspension arrangements for wings for folding wings
    • E05D15/262—Suspension arrangements for wings for folding wings folding vertically
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/668—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings
    • E05F15/67—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings operated by flexible or rigid rack-and-pinion arrangements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages
    • 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
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/15—Roller shutters with closing members formed of slats or the like
    • E06B2009/1577—Slat end pieces used for guiding shutter
    • E06B2009/1583—Slat end pieces used for guiding shutter inserted in slat cavity

Definitions

  • This patent application relates to folding blinds for windows and doors.
  • roller blinds composed of horizontally articulated slats, which may be manually wound around a horizontal shaft with a belt, or automatically, by means of an electric motor.
  • the uppermost slat is integral with the shaft, which bears the entire weight of the blind, and this is the reason why it must be carried by strong supports, which are permanently fastened to the wall.
  • roller blinds in particular, and of blinds in general is precisely the complexity of the twofold installation procedure: first of all, it is necessary to fasten the shaft supports, and then to fix the wooden box enclosing the space above the window/door housing the roller blind assembly.
  • roller blinds Another drawback of roller blinds is the large amount of space required to house the blind when it is fully raised, i.e. fully wound around the shaft; this space is generally larger than the thickness of the wall itself, and, therefore, it generally projects into the interior of the room, giving rise to a further two drawbacks: a purely aesthetic one and an essentially technical one, consisting in the fact that the greater the projection into the room, the further away from the window it will be necessary to hang the curtains, because the curtains generally cover the roller blind box, to hide it from view.
  • the final result is the overall reduction of the room's floor area, compared to the case where it were possible to hang the curtains right next to the wall.
  • patent DE A 29 47501 describes a folding blind for windows and doors where the slats are fastened the one to the other by means of connecting elements with curved ends, also featuring pins at the slat-ends, which pins run inside two lateral guides (17,18), and a toothed wheel actuated by a motor or a belt, which engages the pins and either drags or pushes the slats to raise or lower the blind, respectively ; when raised the slats should fold up one on top of the other.
  • the guides start at the bottom of the blind and end below the toothed wheel, so that above it the slats are unguided ; this determines the disorderly arrangement of the slats, which may be prejudicial to the correct working of the blind.
  • the blind described in the above mentioned invention in the best of cases and as suggested by the drawings, seems suitable for skylights, where the almost horizontal position helps the slats to arrange themselves in the desired manner, while in a vertical position the chances that the slats fall correctly into place are almost nil.
  • the slats are made to roll around a shaft, thus frustrating the advantage represented by the folding solution.
  • the US patent US 4 303 117 describes an opening and closing device for folding blinds, according to which the slats, provided with pins at the ends, run inside two guides and are weighted down so as to facilitate their descent ; the blinds are then raised by pulling two cords fixed to the lowermost slat ; the slats are folded by means of two cables and two cams, which are required also to overcome the load at the joints, since the lifting cords keep the slat assembly tense at all times. To facilitate the lowering and raising of the blinds, in fact, a system of counterweights is required.
  • the present invention relates to a folding blind for windows which, besides fitting inside a box which does not project from the wall, thanks to the folding arrangement of the slats, also remedies the above mentioned drawbacks enabling the smooth folding of the slats by means of a simple mechanism with scarcely no weights and minimum friction.
  • This invention relates to window and door blinds which, when fully compacted, i.e. open, occupy less space than the current type of roller blinds and, in any case, less than the thickness of the wall in which they are contained, so that the box housing the blind is perfectly flush with the wall on the inside.
  • This invention also relates to window and door blinds whereby all the components may be installed and supported inside the relative box, so as to make it easier and faster to install the blinds, since all that is required is to place the box inside the space above the window/door and fasten it to the wall.
  • the width of the blind coincides with the width of one slat, since all the slats lie precisely one on top of the other, forming a pile of constant width, regardless of the number of slats composing the blind, whereas in the case of roller blinds, the greater the number of slats composing the blind, the larger the diameter of the spiral formed by the blind when open.
  • the first or uppermost slat is fastened directly to the top of the box or, alternatively, when the blind is fully raised, it is in contact with the top of the box, while when it is fully lowered it goes to lie, by means of a pin, on a support above the pin guide, so as to reduce the overall height of the blind.
  • the blind is raised by rotating two cams, which engage the heads of the pins on the middle of each slats and either drag them upwards or push them downwards.
  • a chain-based or other similar system may be used, with the further advantage of requiring a smaller diameter than the cams and, therefore, enabling a further reduction of the box's width.
  • more than one pin may be applied at the ends of the slats, but the additional ones will not have rounded heads.
  • the two lateral cams are driven manually, with a belt, or by a motor, through a set of cogged wheels connected the one to the other and to a driving shaft; the cogged wheels are housed inside an adequately sized metal box, capable of withstanding the effort required to raise and lower the blind ; the whole assembly is contained inside the box.
  • the relative supports may be fastened to the walls of the box, which, therefore, contains and supports both the blind and its driving mechanism.
  • the blind may be installed with a single operation, simply by introducing the box containing the blind into the space in the wall above the window/door and fastening it in place.
  • the present blind comprises a series of slats (1) hinged the one to the others by means of connecting elements (2) with curved ends (2a), which hook into the slots on the edges of each slat.
  • each slat (1) there is a semi-circular slot (1a), closed by a rounded rib (1b), which engages the curved lower end of the connecting element (2), while on the lower edge of each slat (1) there is a larger almost rectangular slot (1c), which also features a rib (1b) similar to the one mentioned above, and which engages the curved upper end of the connecting element (2).
  • the slot (1c) is large enough to accomodate a part of the connecting element (2), when two slanted and coplanar slats (1) come into contact (see fig. 3); for construction purposes, the slots 1a and 1c may also be centred (see fig. 11).
  • the slots (1a and 1c) are decentralized and located at the opposite ends of each slat (1), therefore the slats (1) must be alternately arranged so that the upper slot (1c) of one slat perfectly interfaces with the lower slot (1a) of the slat (1) immediately above.
  • the slats (1) are folded and arranged one on top of the other, being forced into this position by the upward thrust of the cams (9) and the pin-heads (3a and 3b) running in the guides (8a and 8b) fixed to two box-shaped partitions (8).
  • the lateral guides (7) feature a specific housing (7a) in which the rounded heads (3a) and (3b) of the pins (3) slide.
  • the guides (7) continue inside the box (6), on the RH and LH sides, above the cams (9), where the guide (8a) splits into two arms (8b) and (8c), at different heights, each arm facilitating the engagement of the wheels (3a) and (3b) at the ends of the pins (3) with the cams (9), and each of the two arms of the guide being such as to oblige the slats to fold like an accordion; the pins (3), integral with the slats placed at different heights (see fig. 5), oblige the wheels (3a), when the blind is lowered, to arrange themselves in the space between the guide and the preceding wheel (3b), thus reducing the space occupied by the totality of the wheels when the blind is raised.
  • the hollow space inside the box-shaped partitions (8) houses the cogwheels (10), which are suitably protected and may act as reducers.
  • the guides (8a), (8b) and (8c) on the inside wall of the box-shaped partition (8) are so shaped and sized as to oblige the slats (1) to fold pair by pair, and to unfold in a likewise manner, to allow the pins (3), when the blind is raised or lowered, to engage with the cams (9) at the same distance, thus achieving the uniform raising and lowering of the slats (1).

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
  • Wing Frames And Configurations (AREA)
  • Extensible Doors And Revolving Doors (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Cartons (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
EP97925269A 1996-05-29 1997-05-27 Folding blinds for windows and doors Expired - Lifetime EP0901554B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITAN960018 1996-05-29
IT96AN000018A IT1286983B1 (it) 1996-05-29 1996-05-29 Serranda per finestre e porte pieghevole a soffietto
PCT/IT1997/000120 WO1997045615A1 (en) 1996-05-29 1997-05-27 Folding blinds for windows and doors

Publications (2)

Publication Number Publication Date
EP0901554A1 EP0901554A1 (en) 1999-03-17
EP0901554B1 true EP0901554B1 (en) 2000-04-12

Family

ID=11333979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97925269A Expired - Lifetime EP0901554B1 (en) 1996-05-29 1997-05-27 Folding blinds for windows and doors

Country Status (11)

Country Link
EP (1) EP0901554B1 (zh)
CN (1) CN1109804C (zh)
AT (1) ATE191767T1 (zh)
AU (1) AU723075B2 (zh)
DE (1) DE69701687T2 (zh)
DK (1) DK0901554T3 (zh)
ES (1) ES2147000T3 (zh)
GR (1) GR3033929T3 (zh)
IT (1) IT1286983B1 (zh)
PT (1) PT901554E (zh)
WO (1) WO1997045615A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1309528B1 (it) * 1999-07-05 2002-01-23 Antonio Cittadini Serranda per porte e finestre pieghevole a soffietto
DE10145856B4 (de) * 2001-09-17 2005-09-08 Huwil-Werke Gmbh Möbelschloss- Und Beschlagfabriken Faltdeckel
EP1680564A4 (en) * 2003-10-31 2010-05-19 Harry J Last THREE SWIMMING SATELLITE SWIMMING POOL COVERINGS JOINING JOINT
DE102014202471B3 (de) * 2014-02-11 2015-04-30 Hennig Holding Gmbh Abdeckvorrichtung für Öffnungen, insbesondere für Maschinenöffnungen
DE102017007097A1 (de) * 2017-07-28 2019-01-31 Vtore Torsystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303117A (en) * 1979-10-31 1981-12-01 Charles Lindbergh Vertically collapsing closure system
DE2947501A1 (de) * 1979-11-24 1981-05-27 Siegfried 7410 Reutlingen Bauer Ein- und ausfahrbare abdeckvorrichtung, insbesondere rolladen fuer fenster, tueren, tore o.dgl.
CH665681A5 (de) * 1985-01-24 1988-05-31 Griesser Ag Faltrolladen.

Also Published As

Publication number Publication date
AU723075B2 (en) 2000-08-17
GR3033929T3 (en) 2000-11-30
DE69701687T2 (de) 2001-01-04
DE69701687D1 (de) 2000-05-18
ATE191767T1 (de) 2000-04-15
IT1286983B1 (it) 1998-07-24
PT901554E (pt) 2000-09-29
CN1219991A (zh) 1999-06-16
AU3047097A (en) 1998-01-05
ITAN960018A1 (it) 1997-11-29
ITAN960018A0 (zh) 1996-05-29
ES2147000T3 (es) 2000-08-16
EP0901554A1 (en) 1999-03-17
CN1109804C (zh) 2003-05-28
DK0901554T3 (da) 2000-09-04
WO1997045615A1 (en) 1997-12-04

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