EP0570811B1 - Winding mechanism for awnings - Google Patents

Winding mechanism for awnings Download PDF

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Publication number
EP0570811B1
EP0570811B1 EP93107603A EP93107603A EP0570811B1 EP 0570811 B1 EP0570811 B1 EP 0570811B1 EP 93107603 A EP93107603 A EP 93107603A EP 93107603 A EP93107603 A EP 93107603A EP 0570811 B1 EP0570811 B1 EP 0570811B1
Authority
EP
European Patent Office
Prior art keywords
winding rod
eyelet
hook
section
aperture
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
EP93107603A
Other languages
German (de)
French (fr)
Other versions
EP0570811A1 (en
Inventor
Josef Grüdl
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.)
Antriebstechnik Gerhard Geiger & Co GmbH
Original Assignee
Antriebstechnik Gerhard Geiger & Co GmbH
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
Priority claimed from DE19924216800 external-priority patent/DE4216800A1/en
Priority claimed from DE19924231504 external-priority patent/DE4231504A1/en
Application filed by Antriebstechnik Gerhard Geiger & Co GmbH filed Critical Antriebstechnik Gerhard Geiger & Co GmbH
Publication of EP0570811A1 publication Critical patent/EP0570811A1/en
Application granted granted Critical
Publication of EP0570811B1 publication Critical patent/EP0570811B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0644—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind
    • 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
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/76—Operating devices or mechanisms, e.g. with electric drive using crank handles

Definitions

  • the invention relates to a crank rod, an eyelet and a crank drive for awnings.
  • Crank rods are e.g. described in US-A-2 143 348 or DE-A-36 23 612 and are used to actuate eyelets in awnings.
  • the conventional eyelet usually has an oval shape, which on the one hand results in an uneven transmission of the torque from the crank rod to the eyelet and on the other hand the wear of certain parts of the eyelet.
  • the non-uniform transmission of the torque also has the consequence that the crank rod has dead center positions during its operation, which is also undesirable.
  • the invention has for its object to remedy this situation and to further develop the crank rod without undue design effort so that proper drive of the eyelet is possible even when it is
  • the axis of rotation does not coincide with the longitudinal central axis of the crank rod, but encloses an angle of up to 60 °.
  • Another object of the invention is to propose a corresponding eyelet and a corresponding crank drive for awnings.
  • crank rod is designed according to the features of claim 1, so that it can be supported on the inner circumference of the eyelet at at least two opposite points, even if the angle that the Axis of the crank rod with the axis of rotation of the eyelet is defined up to 60 °.
  • This is essentially achieved in that the section of the hook extending transversely to the longitudinal axis of the crank rod is so large that the above requirement is practically always fulfilled.
  • the eyelet provided for a crank rod has the special feature that it has two approximately frusto-conical, coaxially arranged and with its tapered ends opening into the common opening with mating surfaces with working parts which can be brought into operative connection with the section of the hook crossing the opening .
  • a particularly useful embodiment provides that the length of the section corresponds approximately to the maximum outer diameter of the eyelet.
  • the eyelet is, so to speak, independent of the inner dimensions of the eyelet, which is regularly oval, but can also have a circular inner contour.
  • an expedient embodiment of the invention provides that the free end of the section has an angled portion, a thickened portion or an enlarged diameter.
  • the crank bar can only be released from the eyelet if it is lifted and threaded out of the eyelet.
  • an expedient embodiment of the invention provides that the free end of the section can be inserted through the eyelet.
  • a further expedient embodiment of the invention provides that the section is connected to the crank rod via a straight or curved section.
  • the length of the straight or arcuate section can be greater than the thickness of the ring-like eyelet.
  • FIG. 5 reveals an eye 10 for awnings that cooperates operationally with a hook 30 and has a crank rod 32 that can be rotated about an axis 8 and has a through opening 20.
  • This eyelet (cf. also FIGS. 1, 2 and 3) has two surfaces 24 with working parts 26 and 26 'which are approximately frustoconical, coaxially arranged and with their tapered ends opening into the common opening.
  • the working sections 26 and 26 ' are the opening 20 traversing linear portion 38 of the hook 30 can be brought into operative connection.
  • the hook 30 of the crank rod 32 has a total of 4 sections 34, 36, 38 and 40, of which the section 38 is approximately perpendicular to the axis of the crank rod and is circular in cross-section, while the section 40 serves for the hook 30 in the eyelet 10 hangs when the crank rod 38 is not operated.
  • the length a of the section 38 is greater than the maximum inner diameter d1 of the eyelet 10 with the opening 20.
  • the cross section of the crank rod is circular and has an outer diameter d2.
  • the opening 20 is a circular opening, but generally also oval could.
  • the figures also show that the opening 20 is circular and that the section 38 runs approximately parallel to the surfaces 26 and 26 'which are operatively connected to it (see FIG. 5).
  • the section 38 has a circular cross section and protrudes from the two sides of the eyelet 10, so that it is in operative connection with the eyelet 10 even when the axis 6 encloses an angle of up to 60 ° with the axis 8.
  • the base body 14 of the eyelet is essentially cylindrical, has frustoconical recesses with surfaces 24 and is provided with a pin 12 with a blind hole 16 and a transverse hole 18.
  • a driven part of a transmission (not shown) of an awning can be inserted into the blind hole 16 and connected in a rotationally fixed manner.
  • the section 36, which runs approximately parallel to the axis 6, and the section 34 are selected such that they do not come into contact with the eyelet and thus an unimpeded driving of the eyelet 10 is ensured.
  • the advantages achieved by the invention are, in particular, that no indifferent force transmissions occur when the crank rod is actuated, even if the longitudinal central axis of the crank rod 32 defines a relatively large angle with the axis of rotation 8 of the eyelet.
  • the wear on the eyelet, which results from the existing friction, is even and the operation of the crank rod is much easier.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Building Awnings And Sunshades (AREA)
  • Tents Or Canopies (AREA)

Abstract

The invention relates to a winding rod (32) with a hook (30), rotatable about its longitudinal axis, for actuating eyelets (10), having a circular or oval inner contour, in awnings. The hook (30) has a section (30) which extends approximately transversely to the longitudinal axis (6) of the winding rod and the length (a) of which is greater than the maximum internal diameter of the eyelet.

Description

Die Erfindung betrifft eine Kurbelstange, eine Öse sowie einen Kurbelantrieb für Markisen.The invention relates to a crank rod, an eyelet and a crank drive for awnings.

Kurbelstangen sind z.B. in der US-A-2 143 348 oder der DE-A-36 23 612 beschrieben und dienen zur Betätigung von Ösen bei Markisen. Dabei besitzt die herkömmliche Öse gewöhnlich eine ovale Form, was zum einen eine ungleichmäßige Übertragung des Drehmomentes von der Kurbelstange auf die Öse und zum anderen die Abnutzung bestimmter Partien der Öse zur Folge hat. Die ungleichmäßige Übertragung des Drehmomentes hat ferner zur Folge, daß die Kurbelstange während ihres Betriebes Totpunkt-Stellungen aufweist, was ebenfalls unerwünscht ist.Crank rods are e.g. described in US-A-2 143 348 or DE-A-36 23 612 and are used to actuate eyelets in awnings. The conventional eyelet usually has an oval shape, which on the one hand results in an uneven transmission of the torque from the crank rod to the eyelet and on the other hand the wear of certain parts of the eyelet. The non-uniform transmission of the torque also has the consequence that the crank rod has dead center positions during its operation, which is also undesirable.

Ausgehend von dem obigen Stand der Technik liegt der Erfindung die Aufgabe zugrunde, hier Abhilfe zu schaffen und die Kurbelstange ohne unangemessenen konstruktiven Aufwand so weiterzubilden, daß ein ordnungsgemäßer Antrieb der Öse auch dann möglich ist, wenn deren Verdrehachse mit der Längsmittelachse der Kurbelstange nicht zusammenfällt, sondern einen Winkel bis zu 60° einschließt. Eine weitere Aufgabe der Erfindung besteht darin, eine entsprechende Öse sowie einen entsprechenden Kurbelantrieb für Markisen vorzuschlagen.Based on the above prior art, the invention has for its object to remedy this situation and to further develop the crank rod without undue design effort so that proper drive of the eyelet is possible even when it is The axis of rotation does not coincide with the longitudinal central axis of the crank rod, but encloses an angle of up to 60 °. Another object of the invention is to propose a corresponding eyelet and a corresponding crank drive for awnings.

Die gestellte Aufgabe wird erfindungsgemäß durch die Merkmale der Patentansprüche 1, 4 und 6 gelöst.The object is achieved according to the invention by the features of claims 1, 4 and 6.

Man erkennt, daß die Erfindung jedenfalls dann verwirklicht ist, wenn die Kurbelstange gemäß den Merkmalen des Anspruches 1 ausgebildet ist, so daß sie sich am Innenumfang der Öse an mindestens zwei gegenüberliegenden Punkten abstützen kann, und zwar auch dann, wenn der Winkel, den die Achse der Kurbelstange mit der Verdrehachse der Öse definiert, bis zu 60° groß ist. Dies wird im wesentlichen dadurch erreicht, daß der quer zur Längsachse der Kurbelstange sich erstreckende Abschnitt des Hakens so groß ist, daß die obige Voraussetzung praktisch immer erfüllt ist. Die hierfür vorgesehene Öse für eine Kurbelstange weist die Besonderheit auf, daß sie zwei in etwa kegelstumpfförmige, koaxial zueinander angeordnete und mit ihren verjüngten Enden in die gemeinsame Öffnung mündende Mantelflächen mit Arbeitspartien aufweist, die mit dem die Öffnung durchquerenden Abschnitt des Hakens in Wirkverbindung bringbar sind.It can be seen that the invention is implemented in any case if the crank rod is designed according to the features of claim 1, so that it can be supported on the inner circumference of the eyelet at at least two opposite points, even if the angle that the Axis of the crank rod with the axis of rotation of the eyelet is defined up to 60 °. This is essentially achieved in that the section of the hook extending transversely to the longitudinal axis of the crank rod is so large that the above requirement is practically always fulfilled. The eyelet provided for a crank rod has the special feature that it has two approximately frusto-conical, coaxially arranged and with its tapered ends opening into the common opening with mating surfaces with working parts which can be brought into operative connection with the section of the hook crossing the opening .

Weitere zweckmäßige und vorteilhafte Ausgestaltungen der Erfindung gehen aus den abhängigen bzw. nebengeordneten Ansprüchen hervor.Further expedient and advantageous embodiments of the invention emerge from the dependent or subordinate claims.

Eine besonders zweckmäßige Ausgestaltung sieht vor, daß die Länge des Abschnittes etwa dem maximalen Außendurchmesser der Öse entspricht. Durch diese Maßnahme ist die Öse sozusagen unabhängig von den Innenmaßen der Öse, die regelmäßig oval ist, jedoch auch einen kreisrunden Innenumriß aufweisen kann.A particularly useful embodiment provides that the length of the section corresponds approximately to the maximum outer diameter of the eyelet. As a result of this measure, the eyelet is, so to speak, independent of the inner dimensions of the eyelet, which is regularly oval, but can also have a circular inner contour.

Um zu verhindern, daß sich die Kurbelstange während ihres Einsatzes von der Öse löst, sieht eine zweckmäßige Ausgestaltung der Erfindung vor, daß das freie Ende des Abschnittes eine Abwinkelung, Verdickung oder Durchmessererweiterung aufweist. Die Kurbelstange kann von der Öse nur dann gelöst werden, wenn sie angehoben und aus der Öse ausgefädelt wird.In order to prevent the crank rod from coming loose from the eyelet during use, an expedient embodiment of the invention provides that the free end of the section has an angled portion, a thickened portion or an enlarged diameter. The crank bar can only be released from the eyelet if it is lifted and threaded out of the eyelet.

Ferner sieht eine zweckmäßige Ausgestaltung der Erfindung vor, daß das freie Ende des Abschnittes durch die Öse hindurchsteckbar ist.Furthermore, an expedient embodiment of the invention provides that the free end of the section can be inserted through the eyelet.

Um die Handhabung der Kurbelstange zu verbessern, sieht eine weitere zweckmäßige Ausgestaltung der Erfindung vor, daß der Abschnitt mit der Kurbelstange über einen geraden oder bogenförmigen Abschnitt verbunden ist. Dabei kann die Länge des geraden oder bogenförmigen Abschnittes größer sein, als die Dicke der ringartigen Öse.In order to improve the handling of the crank rod, a further expedient embodiment of the invention provides that the section is connected to the crank rod via a straight or curved section. The length of the straight or arcuate section can be greater than the thickness of the ring-like eyelet.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung schematisch dargestellt und wird im folgenden näher erläutert. Es zeigen

Fig. 1
eine Öse in Stirnansicht,
Fig. 2
die in Fig. 1 dargestellte Öse in Seitenansicht,
Fig. 3
eine weitere Ansicht der Öse nach Fig. 1 und teilweise geschnitten,
Fig. 4
den Haken einer Kurbelstange und
Fig. 5
den in Fig. 4 dargestellten Haken und die in Fig. 1 dargestellte Öse in Wirkverbindung.
An embodiment of the invention is shown schematically in the drawing and is explained in more detail below. Show it
Fig. 1
an eyelet in front view,
Fig. 2
1 in side view,
Fig. 3
another view of the eyelet of FIG. 1 and partially cut,
Fig. 4
the hook of a crank rod and
Fig. 5
the hook shown in Fig. 4 and the eyelet shown in Fig. 1 in operative connection.

Die Fig 5 läßt eine mit einem Haken 30 aufweisenden Kurbelstange 32 betrieblich zusammenarbeitende, um eine Achse 8 drehbare und eine durchgehende Öffnung 20 aufweisende Öse 10 für Markisen erkennen. Diese Öse (vgl. auch Fig. 1, 2 und 3) besitzt zwei in etwa kegelstumpfförmige, koaxial zueinander angeordnete und mit ihren verjüngten Enden in die gemeinsame Öffnung mündende Flächen 24 mit Arbeitspartien 26 und 26' . Die Arbeitspartien 26 und 26' sind mit einem die Öffnung 20 durchquerenden linearen Abschnitt 38 des Hakens 30 in Wirkverbindung bringbar. Der Haken 30 der Kurbelstange 32 besitzt insgesamt 4 Abschnitte 34, 36, 38 und 40, von denen der Abschnitt 38 etwa senkrecht zur Achse der Kurbelstange verläuft und im Querschnitt kreisrund ist, während der Abschnitt 40 dazu dient, daß der Haken 30 in der Öse 10 hängenbleibt, wenn die Kurbelstange 38 nicht betätigt wird. Die Länge a des Abschnittes 38 ist größer als der maximale Innendurchmesser d1 der Öse 10 mit Öffnung 20. Der Querschnitt der Kurbelstange ist kreisrund und hat einen Außendurchmesser d2.Bei der Öffnung 20 handelt es sich um eine kreisrunde Öffnung, die allgemein aber auch oval sein könnte.FIG. 5 reveals an eye 10 for awnings that cooperates operationally with a hook 30 and has a crank rod 32 that can be rotated about an axis 8 and has a through opening 20. This eyelet (cf. also FIGS. 1, 2 and 3) has two surfaces 24 with working parts 26 and 26 'which are approximately frustoconical, coaxially arranged and with their tapered ends opening into the common opening. The working sections 26 and 26 'are the opening 20 traversing linear portion 38 of the hook 30 can be brought into operative connection. The hook 30 of the crank rod 32 has a total of 4 sections 34, 36, 38 and 40, of which the section 38 is approximately perpendicular to the axis of the crank rod and is circular in cross-section, while the section 40 serves for the hook 30 in the eyelet 10 hangs when the crank rod 38 is not operated. The length a of the section 38 is greater than the maximum inner diameter d1 of the eyelet 10 with the opening 20. The cross section of the crank rod is circular and has an outer diameter d2. The opening 20 is a circular opening, but generally also oval could.

Ferner lassen die Fig. erkennen, daß die Öffnung 20 kreisrund ist und daß der Abschnitt 38 in etwa parallel zu den mit ihm in Wirkverbindung stehenden Flächen 26 und 26' (vgl. Fig 5) verläuft. Der Abschnitt 38 hat einen kreisrunden Querschnitt und ragt von den beiden Seiten der Öse 10 heraus, so daß er mit der Öse 10 auch dann in betriebsgemäßer Wirkverbindung steht, wenn die Achse 6 mit der Achse 8 einen Winkel bis zu 60° einschließt. Der Grundkörper 14 der Öse ist im wesentlichen zylindrisch, weist kegelstumpfförmige Ausnehmungen mit Flächen 24 auf und ist mit einem Zapfen 12 mit einer Sacklochbohrung 16 und einer Querbohrung 18 versehen. In die Sacklochbohrung 16 ist ein angetriebenes Teil eines nicht dargestellten Getriebes einer Markise einsteckbar und drehfest verbindbar. Der Abschnitt 36, der etwa parallel zur Achse 6 verläuft, und der Abschnitt 34 sind so gewählt, daß sie mit der Öse nicht in Berührung kommen und somit ein unbehindertes Antreiben der Öse 10 gewährleistet ist.The figures also show that the opening 20 is circular and that the section 38 runs approximately parallel to the surfaces 26 and 26 'which are operatively connected to it (see FIG. 5). The section 38 has a circular cross section and protrudes from the two sides of the eyelet 10, so that it is in operative connection with the eyelet 10 even when the axis 6 encloses an angle of up to 60 ° with the axis 8. The base body 14 of the eyelet is essentially cylindrical, has frustoconical recesses with surfaces 24 and is provided with a pin 12 with a blind hole 16 and a transverse hole 18. A driven part of a transmission (not shown) of an awning can be inserted into the blind hole 16 and connected in a rotationally fixed manner. The section 36, which runs approximately parallel to the axis 6, and the section 34 are selected such that they do not come into contact with the eyelet and thus an unimpeded driving of the eyelet 10 is ensured.

Die durch die Erfindung erzielten Vorteile bestehen insbesondere darin, daß beim Betätigen der Kurbelstange keine indifferenten Kraftübertragungen eintreten, und zwar auch dann nicht, wenn die Längsmittelachse der Kurbelstange 32 mit der Drehachse 8 der Öse einen relativ großen Winkel definiert. Die Abnutzung der Öse, die sich schon aufgrund der vorhandenen Reibung ergibt, ist gleichmäßig, und die Betätigung der Kurbelstange ist deutlich einfacher.The advantages achieved by the invention are, in particular, that no indifferent force transmissions occur when the crank rod is actuated, even if the longitudinal central axis of the crank rod 32 defines a relatively large angle with the axis of rotation 8 of the eyelet. The wear on the eyelet, which results from the existing friction, is even and the operation of the crank rod is much easier.

Claims (7)

  1. Winding rod (32), having a hook which includes a portion (38) for actuating eyelets (10) provided with two substantially frustoconical surfaces (24) having working parts (26, 26'), which surfaces are disposed coaxially with each other and terminate in a common aperture (20) with their ends, the portion (38), which has a circular cross-section and extends in a rectilinear manner, being disposed between a bent portion (36) and an end portion (40) of the hook, said portion extending substantially perpendicularly relative to the longitudinal axis (6) of the winding rod (32) and having a length (a), which is greater than its diameter (d2).
  2. Winding rod according to claim 1, characterised in that the end portion (40) is configured as an angular portion, a thickened portion or a diameter widening.
  3. Winding rod according to one of claims 1 or 2, characterised in that the portion (38) is connected to the winding rod (32) via a rectilinear portion or an arcuate portion (34).
  4. Eyelet for a winding rod (32) according to one of claims 1 to 3, which is rotatable about an axis (8) and has a through-aperture (20), characterised by two substantially frustoconical surfaces (24) having working parts (26, 26'), which surfaces are disposed coaxially with each other and terminate in the common aperture (20) with their tapered ends, said working parts being able to be brought into operative connection with the portion (38) of the hook (30) traversing the aperture (20).
  5. Eyelet according to claim 4, characterised in that the aperture (20) has a substantially circular cross-section.
  6. Winding drive for awnings or the like, having a hook-shaped winding rod (32) and an eyelet (10), which is rotatable about an axis (8) by means of the winding rod (32), according to one of claims 4 or 5.
  7. Winding drive according to claim 6, characterised in that the hook (30) of the winding rod (32) has a portion (38) which abuts against the surfaces rank (24) of the truncated cones in the operative position.
EP93107603A 1992-05-21 1993-05-11 Winding mechanism for awnings Expired - Lifetime EP0570811B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4216800 1992-05-21
DE19924216800 DE4216800A1 (en) 1992-05-21 1992-05-21 Crank rod engaging in awning eye
DE19924231504 DE4231504A1 (en) 1992-05-21 1992-09-21 Crank rod for awning with rotary hook - which has suction extending transversely relative to crank rod longitudinal axis.
DE4231504 1992-09-21

Publications (2)

Publication Number Publication Date
EP0570811A1 EP0570811A1 (en) 1993-11-24
EP0570811B1 true EP0570811B1 (en) 1996-12-18

Family

ID=25915025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93107603A Expired - Lifetime EP0570811B1 (en) 1992-05-21 1993-05-11 Winding mechanism for awnings

Country Status (4)

Country Link
EP (1) EP0570811B1 (en)
AT (1) ATE146559T1 (en)
DE (1) DE59304783D1 (en)
ES (1) ES2096136T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK199900311A (en) 1999-03-05 2000-09-06 Velux Ind As Control device for window openers, shielding devices and similar devices

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2143348A (en) * 1938-02-05 1939-01-10 Fanner Mfg Co Winding shaft hook
IT1218299B (en) * 1982-08-12 1990-04-12 Petrolongo Emilio ELECTROMECHANICAL DEVICE FOR ROTATING CONTROL OF A ROLLING AUCTION OF THE WINDING DEVICE UNWINDING A CURTAIN OR SIMILAR
DE3623612A1 (en) * 1986-07-12 1988-01-28 Hueppe Gmbh Gear mechanism for an articulated-arm awning
DE3625604A1 (en) * 1986-07-29 1988-02-11 Elmar Mader Multi-way central gear mechanism suitable, in particular, for awnings

Also Published As

Publication number Publication date
DE59304783D1 (en) 1997-01-30
ATE146559T1 (en) 1997-01-15
EP0570811A1 (en) 1993-11-24
ES2096136T3 (en) 1997-03-01

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