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EP0032972A1 - Rafflamellenstore - Google Patents

Rafflamellenstore Download PDF

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Publication number
EP0032972A1
EP0032972A1 EP80105822A EP80105822A EP0032972A1 EP 0032972 A1 EP0032972 A1 EP 0032972A1 EP 80105822 A EP80105822 A EP 80105822A EP 80105822 A EP80105822 A EP 80105822A EP 0032972 A1 EP0032972 A1 EP 0032972A1
Authority
EP
European Patent Office
Prior art keywords
end rail
cords
roman
rail
elevator belt
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.)
Withdrawn
Application number
EP80105822A
Other languages
German (de)
English (en)
French (fr)
Inventor
Paul Frei
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.)
Griesser AG
Original Assignee
Griesser AG
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 Griesser AG filed Critical Griesser AG
Publication of EP0032972A1 publication Critical patent/EP0032972A1/de
Withdrawn legal-status Critical Current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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/303—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable with ladder-tape
    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/38—Other details
    • E06B9/388—Details of bottom or upper slats or their attachment

Definitions

  • the invention relates to a Roman blind, the drive shaft of which carries a swivel device on which the slats are suspended by means of pairs of carrying cords, the supporting cord acting on the rear lamella edge being fixed to an end rail, on which the winding drum, which is located upward, also sits on the drive shaft leading elevator belt attacks.
  • the end rail When the store is lowered, the end rail should lie directly above the weatherboard or ledge of the building opening provided with the store, so that with closed slats, the building opening is also closed in this area without any light gaps.
  • carrying cords of external blinds which as usual consist of textile material, have the disadvantage that they are subject to a certain shrinkage over time.
  • the carrying cords When installing blinds, the carrying cords must have the exact right length, since excess lengths cause the end rail to stand up on the weatherboard, preventing the slat tensioner from hanging freely would lead. If the support cords attacking the end rail shrink, this leads to the formation of a light gap by correspondingly lifting the end rail, and darkening of the building space in question, which is to be brought about by the closed store, is no longer guaranteed.
  • the roman blinds according to the invention are characterized in that the end rail consists of two parts that are vertically movable and overlap, with at least the rear support cord attached to one end rail part while the elevator belt engages the other end rail part.
  • the end rail so that when the rear suspension cord shrinks, the end rail part attached to it moves upwards without the vertical overlap of the two parts being completely eliminated.
  • the height of the end rail increases upwards by the shrinking dimension of the supporting cord, without the lower end gutter limit being raised; the formation of a light gap between the end rail and the weatherboard or ledge is thus avoided.
  • the roman blinds shown in FIG. 1 usually has an upper blind box 1 with a winding shaft 2 mounted therein, which can be driven in a manner not shown, for example by motor or by means of a hand crank and transmission.
  • a winding shaft 2 mounted therein, which can be driven in a manner not shown, for example by motor or by means of a hand crank and transmission.
  • On the winding shaft 2 there are winding drums 3 for the drawstrings 4;
  • swivel devices 5 of no further interest are arranged on the winding shaft 2, over which textile adjustment straps 6 guide.
  • Textile carrying cords 7, which are provided with connecting loops 7a, are suspended from connecting links 6a of these adjustment bands 6 by means of chain pieces 6b.
  • the connection loops 7a By means of the connection loops 7a, the slats 8 are pivotally fixed to support cords 7 provided in pairs.
  • the carrying cords 7 engaging on the front flanged edge of the slats 8 of the exterior store shown here end freely immediately below the bottom loop 7a, while the lower end part of the carrying cords 7 engaging on the rear flanged edge of the slats 8 are fixed to an end rail 9 in the manner described in more detail below. It goes without saying that that too lower end of the front cords 7 inserted into the end rail and can be secured while ensuring the opening of the slats.
  • the end rail 9 extends with its rear lower edge (closer to the building) to just above the weatherboard 11 arranged on the ledge LO of the building opening formed, for example, by a window.
  • the drawn end rail 9 is formed in two parts. It consists of a lower part 12 formed by the base 12a and rear wall 12b and an upper part 13 articulated to the latter in the region of the front edge of the base 12a, which has a stepped ceiling 13a and a rear wall 13b which overlaps the rear wall 12b of the upper part 12.
  • the hinge joint 14 provided between the lower part 12 and the upper part 13 permits a limited vertical relative pivoting of the two end rail parts 12, 13.
  • a rubber profile 15 is used on the rear bottom edge, which prevents the end rail 9 from striking the weather leg 11 in a noisy manner.
  • the lower end part of the rear carrying cord 7 is guided through a recess 16 provided approximately in the middle of the end rail in the upper part ceiling 13a and fixed to a pin 17a of a fastening web 17 projecting downward from this ceiling 13a.
  • a number of further pins 17b are provided on the fastening web 17. These pins 17b (each one of them) serve for the length-adjustable fixing of the lower end part of the elevator belt 4, which is looped around an inner retaining web 18 on the bottom 12a of the lower rail part 12 and through the ceiling recess 16 from the end rail 9 is led out upwards.
  • the dimensioning and weight distribution of the end rail 9 are selected such that, after the store has been properly assembled for the first time, it hangs horizontally with the bottom 12a of its lower part 12 and with the rubber profile 15 directly above the weather bar 11. This horizontal position of the end rail 9 can be ensured by inserting a suitable sheet metal strip into an undercut inner groove 19 of the bottom part base 12a. It should be noted that the length of the elevator belt 4 and carrying cords 7 are such that when the store is lowered and the slats pivoted in the closed position (FIGS. 1, 2), the end rail 9 has its minimum cross-sectional height, the ceiling 13a of the upper part 13 being open the rear wall 12b of the lower part 12 rests.
  • This starting position of the end rail parts 12, 13, ie the relative length of the elevator belt 4 and cords, 7 can be set relatively precisely by appropriate selection of the suspension pin 17b for the tension belt 4 and appropriate suspension of the chain pieces 6b on the connecting links 6a of the adjustment belts 6.
  • the shortening of the carrying cords 7 results in an approximately vertical lifting of the upper part 13 (it could also be a pure pivoting movement of the upper part 13 about the hinge joint 14 on the lower part 12 which remains horizontal); the simultaneously raised hinge 14 causes the end rail lower part 12, which rests with its rubber profile 15 on the weather bar 12. Thanks to the fixing of the end portion 18 of the elevator belt 4, which is arranged around the middle of the bottom 12a on the lower part 12, the upper part 13 becomes one S c hrumpfbetrag added the supporting cords 7 analog longitudinal piece of the lift band between the web 18 and the overlying pin 17b; the elevator belt 4 thus remains stretched.
  • the bottom rail part 12 remains with its rubber profile 15 on the weather bar 11, no light gap can form there; It goes without saying that the height of the overlapping rear walls 12b, 13b of the end rail 9 is selected such that the maximum spreading (shown in FIG. 4) of the two end rail parts 12, 13 is limited by the interlocking of end hooks 20a, 20b of the rear walls 12b, 13b, which is able to compensate for the normally expected foam size of the carrying cords 7. If there are larger shrinkages, the carrying cords 7 with their upper chain pieces 6b can be hung around the connecting webs 6a accordingly.
  • the height of the bottom rail 22 forming the hollow strip is so. chosen that a rubber profile 25 forming its lower end protrudes beyond the bottom 23b of the end rail formed by oppositely inclined walls rising from the groove 24. Pins 27b, to which the elevator belts 4 (usually there are two), are anchored in the interior of the lower rail part 22. In contrast to the first described example, the pull-up straps 4 are thus fixed directly to the lower rail part.
  • the shrinking of the carrying cords 7 (FIG. 7) here has the consequence that the end rail upper part 23 is pulled up accordingly, while the lower part 22 (due to unchanged length of the elevator belts 4 carrying it) with its rubber profile 25 remains in its original position directly above the weather bar . Thanks to the enlargement of the clear height of the end rail achieved by the telescopic vertical relative displacement of the two end rail parts 22, 23, the shrinking dimension of the carrying cords 7 is compensated for and a light gap under the end rail cannot arise.
  • the automatic shrinkage compensation thanks to the two-part end rail means that it is often moved around or even er no need to put the cords.
  • the carrying cords which are more exposed to the effects of weather and light, tend to shrink faster at the leading edge of the slats, but are unable to lift them due to the lack of a tight connection to the end rail. If the slats 8 can no longer be closed properly as a result of faster shrinkage of these outer support cords, this can be compensated for by appropriately moving (lengthening) the chain pieces assigned to these support cords 7 without influencing the position of the end rail.
  • the relatively loose connection of the slats 8 via the loops 7a with the cords 7 hardly makes such an adjustment of the length of the outer carrying cords 7 necessary.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
EP80105822A 1980-01-24 1980-09-25 Rafflamellenstore Withdrawn EP0032972A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH56080A CH644932A5 (de) 1980-01-24 1980-01-24 Rafflamellenstore.
CH560/80 1980-01-24

Publications (1)

Publication Number Publication Date
EP0032972A1 true EP0032972A1 (de) 1981-08-05

Family

ID=4189839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80105822A Withdrawn EP0032972A1 (de) 1980-01-24 1980-09-25 Rafflamellenstore

Country Status (5)

Country Link
EP (1) EP0032972A1 (da)
JP (1) JPS56108488A (da)
CH (1) CH644932A5 (da)
DK (1) DK32681A (da)
ES (1) ES498784A0 (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009021473B3 (de) * 2009-05-15 2010-11-18 Roma Rolladensysteme Gmbh Beschattungsvorrichtung und Führungselement dafür

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH571641A5 (en) * 1974-05-14 1976-01-15 Baumann & Co G Hinged-slatted venetian draw-blind - with bottom slat angled when lowered for progressive angled overlap on raising

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH571641A5 (en) * 1974-05-14 1976-01-15 Baumann & Co G Hinged-slatted venetian draw-blind - with bottom slat angled when lowered for progressive angled overlap on raising

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009021473B3 (de) * 2009-05-15 2010-11-18 Roma Rolladensysteme Gmbh Beschattungsvorrichtung und Führungselement dafür

Also Published As

Publication number Publication date
ES8204041A1 (es) 1982-04-01
ES498784A0 (es) 1982-04-01
CH644932A5 (de) 1984-08-31
DK32681A (da) 1981-07-25
JPS56108488A (en) 1981-08-28

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT DE FR GB IT NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19820714

RIN1 Information on inventor provided before grant (corrected)

Inventor name: FREI, PAUL