EP1772792B1 - Crank - Google Patents

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Publication number
EP1772792B1
EP1772792B1 EP06021173A EP06021173A EP1772792B1 EP 1772792 B1 EP1772792 B1 EP 1772792B1 EP 06021173 A EP06021173 A EP 06021173A EP 06021173 A EP06021173 A EP 06021173A EP 1772792 B1 EP1772792 B1 EP 1772792B1
Authority
EP
European Patent Office
Prior art keywords
crank
piece
longitudinal slot
pressure piece
transverse
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.)
Not-in-force
Application number
EP06021173A
Other languages
German (de)
French (fr)
Other versions
EP1772792A3 (en
EP1772792A2 (en
Inventor
Hans-Michael Dangel
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.)
Gerhard Geiger GmbH and Co
Original Assignee
Gerhard Geiger GmbH and Co
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 Gerhard Geiger GmbH and Co filed Critical Gerhard Geiger GmbH and Co
Priority to PL06021173T priority Critical patent/PL1772792T3/en
Publication of EP1772792A2 publication Critical patent/EP1772792A2/en
Publication of EP1772792A3 publication Critical patent/EP1772792A3/en
Application granted granted Critical
Publication of EP1772792B1 publication Critical patent/EP1772792B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E06B9/56—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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/085—Crank handles

Definitions

  • the present invention relates to a crank according to the preamble of claim 1.
  • cranks are known from the roller shutter technology.
  • a crank in particular for use in blinds, shutters or awnings, known with at least one crank joint consisting of a hollow upper part with a first longitudinal slot and arranged in the region of the longitudinal slot first fürgangsquerbohrungen, a lower part with a fitted in a second longitudinal slot flat part and one provided in this passage cross bore and a run through the transverse bores pin, and with a bearing in the upper part pressure piece, which is supported on the one hand on the flat part and on the other hand on a compression spring, which faces away from the flat part end either on the upper part or on the pressure piece a second crank joint is supported.
  • the pressure piece and decoupling must be individually inserted into the centerpiece during assembly of the crank, whereby an automated assembly is difficult.
  • a wiper blade which comprises a joint consisting of an upper bracket and a lower bracket with transverse holes through which a hinge pin is guided.
  • the two brackets can be separated by a plastic lining.
  • a component involved in the joint for example a flat part, does not exist.
  • the lower bar does not act as an intermediate piece, but forms the one of two joint bars. From assembly operations, nothing is disclosed.
  • the object of the invention is to provide a crank referred to in the preamble of claim 1, in which the crank assembly facilitates and can be easily automated.
  • the combination pressure piece is made in one piece from plastic. Therefore, it can be produced as a molded part, which also has a low coefficient of friction, which leads to significant friction reduction between the cooperating parts.
  • a sliding bush is provided for the bolt, in particular in the flat part.
  • the central part is formed of a U-shaped bracket, which is provided at its base with a passage of the pressure piece enabling opening.
  • the middle part is formed of two plates, which can be connected to the pressure piece before crank assembly in each case by means of an easily removable web.
  • these parts could also be formed during assembly as separate parts, which are introduced separately into the center piece.
  • each leg or each plate of the middle part 8 is provided with an inwardly facing sliding bushing.
  • a leg or a plate of the middle part is provided with an inwardly facing sliding bushing.
  • each leg or each plate of the middle part is provided with an outwardly facing sliding bushing.
  • Fig. 1 is a crank with two identical crank joints (at the points of bolt 5, 5a) shown.
  • the crank generally consists of a handle 3 with a rotatable grip sleeve 3a, a hinged on the handle 3, hollow spacer 2 and a at the intermediate piece, preferably centerpiece, 2 hinged crank piece 1 with a crank sleeve 1c.
  • the two joints are identical, so that the description of only one joint is sufficient.
  • the intermediate piece 2 is referred to as the upper part 2 and the crank piece 1 as the lower part 1.
  • a compression spring 6 is centrally arranged, which acts at its two ends on each one still to be explained combination pressure piece 4, 4a, on the other hand laterally on the handle piece end or on the lower part of a pressure exerts, so that the angular position shown Crank is set. This location is also from the Fig. 1a recognizable.
  • the crank can be converted into an extended position, which is also fixed, wherein the combination pressure pieces 4, 4a exert pressure on the end of the grip piece or on the lower part end.
  • Fig. 2 is the right crank joint of the Fig. 1 shown in more detail.
  • the crank joint comprises the hollow upper part 2 with a first longitudinal slot 2 a and with the first through-transverse bores 2 b arranged in the region of the longitudinal slot 2 a, a middle part 8 fitted in the first longitudinal slot 2 a with a second longitudinal slot 8 a and second through-cross bores 8 b arranged in the region of the second longitudinal slot 8 a.
  • the lower part 1 with a flat part which is fitted in the second longitudinal slot 8a, preferably two-flat, 1a and with a third through-bore 1b provided in the latter and a bolt 5 guided through the transverse bores 2b, 8b, 1b.
  • the middle part 8 and the pressure piece 7 mounted in the upper part 2 are combined to the combination pressure piece 4, as will be explained in more detail below.
  • FIGS. 2a and 2b are views of the existing of the pressing piece 7 and the middle part 8 combination pressure piece 4 shown.
  • the middle part 8 consists of a U-shaped bracket 8c with reinforcements 8d in the region of the passage transverse opening 8b.
  • the bracket 8c has at its base an opening so that the pressure piece 7 can pass through this opening.
  • Middle part 8 and thrust piece 7 are by means of a thin, easily removable bridge 9 connected.
  • the composite pressure piece 4 thus formed is injected as a one-piece plastic part.
  • crank joint is in a broadened transverse bore 1b 'of the flat part 1a a sliding bush 10 rotatably mounted to reduce the wear and the friction between the lower part 1 and the pin 5.
  • two sliding bushes 10c are provided, one of which is provided with one of the legs of the central part 8, wherein the sliding bushes 10c are directed outward and are mounted in the Lssensquerbohritch 2b.
  • FIG. 7 a further embodiment of the pressure piece 7 of the combination pressure piece 4 shown, in which the pressure piece of two plates 8e without the in the FIGS. 4b . 5b . 6b formed base is formed.
  • the plates 8e are provided with the reinforcements 8d.
  • Fig. 7e are in addition two with the plates 8e connected inwardly facing sliding bushes 10a provided while in Fig. 7f ) are provided with the plates 8e connected, outwardly facing sliding bushes 10c.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Blinds (AREA)

Description

Die vorliegende Erfindung betrifft eine Kurbel gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a crank according to the preamble of claim 1.

Derartige Kurbeln sind aus der Rollladentechnik bekannt. Aus der DE 22 18 614 A1 ist auch eine Kurbel, insbesondere zur Verwendung bei Jalousien, Rollläden oder Markisen, mit mindestens einem Kurbelgelenk bekannt, das aus einem hohlen Oberteil mit einem ersten Längsschlitz und im Bereich des Längsschlitzes angeordneten ersten Durchgangsquerbohrungen, aus einem Unterteil mit einem in einem zweiten Längsschlitz eingepassten Flachteil und einer in diesem vorgesehenen Durchgangsquerbohrung und aus einem durch die Querbohrungen geführten Bolzen besteht, und mit einem im Oberteil gelagerten Druckstück, das sich einerseits am Flachteil und andererseits an einer Druckfeder abstützt, die sich mit ihrem dem Flachteil abgewandten Ende entweder am Oberteil oder am Druckstück eines zweiten Kurbelgelenks abstützt. Bei den bekannten Kurbeln müssen bei der Montage der Kurbel das Druckstück und die Entkopplung einzeln in das Mittelstück eingefügt werden, wodurch eine automatisierte Montage erschwert wird.Such cranks are known from the roller shutter technology. From the DE 22 18 614 A1 is also a crank, in particular for use in blinds, shutters or awnings, known with at least one crank joint consisting of a hollow upper part with a first longitudinal slot and arranged in the region of the longitudinal slot first Durchgangsquerbohrungen, a lower part with a fitted in a second longitudinal slot flat part and one provided in this passage cross bore and a run through the transverse bores pin, and with a bearing in the upper part pressure piece, which is supported on the one hand on the flat part and on the other hand on a compression spring, which faces away from the flat part end either on the upper part or on the pressure piece a second crank joint is supported. In the known cranks, the pressure piece and decoupling must be individually inserted into the centerpiece during assembly of the crank, whereby an automated assembly is difficult.

Ferner ist aus der DE 295 00 632 U1 ein Wischblatt bekannt, das ein Gelenk umfasst, das aus einem Oberbügel und einem Unterbügel mit Querbohrungen besteht, durch die ein Gelenkbolzen geführt ist. Die beiden Bügel können durch ein Kunststofffutter getrennt sein. Ein am Gelenk beteiligtes Bauteil, beispielsweise ein Flachteil, ist nicht vorhanden. Der Unterbügel wirkt nicht als Zwischenstück, sondern bildet die eine von zwei Gelenkstangen. Von Montagevorgängen ist nichts offenbart.Furthermore, from the DE 295 00 632 U1 a wiper blade is known which comprises a joint consisting of an upper bracket and a lower bracket with transverse holes through which a hinge pin is guided. The two brackets can be separated by a plastic lining. A component involved in the joint, for example a flat part, does not exist. The lower bar does not act as an intermediate piece, but forms the one of two joint bars. From assembly operations, nothing is disclosed.

Die Aufgabe der Erfindung besteht darin, eine Kurbel der im Oberbegriff des Anspruchs 1 genannten Art zu schaffen, bei der die Kurbelmontage erleichtert und leicht automatisiert werden kann.The object of the invention is to provide a crank referred to in the preamble of claim 1, in which the crank assembly facilitates and can be easily automated.

Diese Aufgabe wird mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved with the features of claim 1.

Durch die Stegverbindung des Druckstücks mit dem Mittelteil wird ein einzelnes Kombidruckstück geschaffen, das leicht in das Oberteil einzufügen ist. Während dem Einsetzen des Mittelteils in das Oberteil wird der Steg entfernt, vorzugsweise abgerissen, so dass nun das Druckstück vom Mittelteil getrennt ist und das Druckstück seine Druckwirkung auf das Flachteil ausüben kann.By the web connection of the pressure piece with the middle part, a single combination pressure piece is created, which is easy to insert in the upper part. During insertion of the middle part in the upper part of the web is removed, preferably demolished, so that now the pressure piece is separated from the middle part and the pressure piece can exert its pressure effect on the flat part.

Gemäß einer weiteren Ausbildung der Erfindung ist das Kombidruckstück einstückig aus Kunststoff hergestellt. Daher ist es als Spritzteil herstellbar, das auch einen geringen Reibungskoeffizienten aufweist, der zur wesentlichen Reibungsminderung zwischen den miteinander zusammenarbeitenden Teile führt.According to a further embodiment of the invention, the combination pressure piece is made in one piece from plastic. Therefore, it can be produced as a molded part, which also has a low coefficient of friction, which leads to significant friction reduction between the cooperating parts.

Gemäß einer weiteren Ausbildung der Erfindung ist für den Bolzen, insbesondere im Flachteil, eine Gleitbuchse vorgesehen. Dadurch kann der Verschleiß und die Reibung zwischen dem Unterteil und dem Bolzen vermindert werden.According to a further embodiment of the invention, a sliding bush is provided for the bolt, in particular in the flat part. Thereby, the wear and the friction between the lower part and the bolt can be reduced.

Gemäß einer weiteren, einfachen Ausbildung der Erfindung ist das Mittelteil aus einem U-förmigen Bügel gebildet, der an seiner Basis mit einer den Durchtritt des Druckstücks ermöglichenden Öffnung versehen ist.According to a further simple embodiment of the invention, the central part is formed of a U-shaped bracket, which is provided at its base with a passage of the pressure piece enabling opening.

Gemäß einer weiteren, einfachen Ausbildung der Erfindung ist das Mittelteil aus zwei Platten gebildet, die vor der Kurbelmontage jeweils mittels eines leicht entfembaren Stegs mit dem Druckstück verbunden werden können. Diese Teile könnten während der Montage jedoch auch als separate Teile ausgebildet sein, die in das Mittelstück separat eingebracht werden.According to a further, simple embodiment of the invention, the middle part is formed of two plates, which can be connected to the pressure piece before crank assembly in each case by means of an easily removable web. However, these parts could also be formed during assembly as separate parts, which are introduced separately into the center piece.

Gemäß einer weiteren, einfachen Ausbildung der Erfindung ist jeder Schenkel bzw. jede Platte des Mittelteils 8 mit einer nach innen weisenden Gleitbuchse versehen.According to a further, simple embodiment of the invention, each leg or each plate of the middle part 8 is provided with an inwardly facing sliding bushing.

Gemäß einer weiteren, einfachen Ausbildung der Erfindung ist ein Schenkel bzw. eine Platte des Mittelteils mit einer nach innen weisenden Gleitbuchse versehen.According to a further, simple embodiment of the invention, a leg or a plate of the middle part is provided with an inwardly facing sliding bushing.

Gemäß einer weiteren, einfachen Ausbildung der Erfindung ist jeder Schenkel bzw. jede Platte des Mittelteils mit einer nach außen weisenden Gleitbuchse versehen.According to a further simple embodiment of the invention, each leg or each plate of the middle part is provided with an outwardly facing sliding bushing.

Die Erfindung wird nun anhand von Ausführungsbeispielen näher erläutert.
Es zeigen:

Fig. 1
eine Seitenansicht einer teilweise geschnittenen Kurbel gemäß der vorliegenden Erfindung,
Fig. 1a
eine verkleinerte, perspektivische Ansicht der in Fig. 1 dargestellten Kurbel,
Fig. 2
eine Explosionsansicht eines in Fig. 1 verwendeten Kurbelgelenks gemäß der vorliegenden Erfindung,
Fig. 2a
eine Seitenansicht des in Fig. 2 gezeigten Kombidruckstücks,
Fig. 2b
eine um 90° gedrehte Ansicht des Kombidruckstücks der Fig. 2a,
Fig. 3
eine Explosionsansicht des in Fig. 1 verwendeten Kurbelgelenks mit einer Gleitbuchse,
Fig.4
eine weitere Ausführung eines Kombidruckstücks mit an beiden Schenkeln des Mittelteils befestigten, nach innen gerichteten Gleitbuchsen mit
  1. a) einer Seitenansicht des Kombistücks,
  2. b) einer um 90° gedrehten Seitenansicht des Kombistücks,
  3. c) einer Stimansicht des Kombistücks und
  4. d) einer perspektivischen Ansicht des Kombistücks,
Fig. 5
eine weitere Ausführung eines Kombidruckstücks mit einer an einem Schenkel des Mittelteils befestigten, nach innen gerichteten Gleitbuchse mit
  1. a) einer Seitenansicht des Kombistücks,
  2. b) einer um 90° gedrehten Seitenansicht des Kombistücks,
Fig. 6
eine weitere Ausführung eines Kombidruckstücks mit einer an einem Schenkel des Mittelteils befestigten, nach außen gerichteten Gleitbuchse mit
  1. a) einer Seitenansicht des Kombistücks,
  2. b) einer um 90° gedrehten Seitenansicht des Kombistücks,
  3. c) einer Stimansicht des Kombistücks und
  4. d) einer perspektivischen Ansicht des Kombistücks und
Fig. 7
verschiedene Ausführungen von zweiteiligen Mittelteilen mit
  1. a) einer Seitenansicht eines Mittelteils,
  2. b) einer um 90° gedrehten Seitenansicht des Mittelteils der Fig. a),
  3. c) einer Stimansicht des Mittelteils der Fig. a),
  4. d) einer perspektivischen Ansicht des Mittelteils der Figuren a)-c),
  5. e) einer Ansicht des Mittelteils der Fig. b) mit an beiden Platten des Mittelteils befestigten, nach innen gerichteten Gleitbuchsen,
  6. f) einer Ansicht des Mittelteils der Fig. b) mit an beiden Platten des Mittelteils befestigten, nach außen gerichteten Gleitbuchsen.
The invention will now be explained in more detail with reference to exemplary embodiments.
Show it:
Fig. 1
a side view of a partially cut crank according to the present invention,
Fig. 1a
a reduced, perspective view of the in Fig. 1 illustrated crank,
Fig. 2
an exploded view of an in Fig. 1 used crank joint according to the present invention,
Fig. 2a
a side view of the in Fig. 2 shown combination printing piece,
Fig. 2b
rotated by 90 ° view of the combination of the Fig. 2a .
Fig. 3
an exploded view of the in Fig. 1 used crank joint with a sliding bush,
Figure 4
a further embodiment of a combination pressure piece with attached to both legs of the middle part, inwardly directed sliding bushings with
  1. a) a side view of the combination piece,
  2. b) a 90 ° side view of the combi piece,
  3. c) an end view of the combo piece and
  4. d) a perspective view of the combination piece,
Fig. 5
a further embodiment of a combination pressure piece with an attached to a leg of the middle part, inwardly directed slide bushing with
  1. a) a side view of the combination piece,
  2. b) a 90 ° side view of the combi piece,
Fig. 6
a further embodiment of a combination pressure piece with an attached to a leg of the central part, outwardly directed slide bushing with
  1. a) a side view of the combination piece,
  2. b) a 90 ° side view of the combi piece,
  3. c) an end view of the combo piece and
  4. d) a perspective view of the combo piece and
Fig. 7
different versions of two-piece middle parts with
  1. a) a side view of a central part,
  2. b) a 90 ° rotated side view of the middle part of Fig. A),
  3. c) an end view of the middle part of FIG.
  4. d) a perspective view of the middle part of the figures a) -c),
  5. e) a view of the middle part of Fig. B) with attached to both plates of the middle part, inwardly directed sliding bushes,
  6. f) a view of the middle part of Fig. B) with attached to both plates of the central part, outwardly directed slide bushings.

In Fig. 1 ist eine Kurbel mit zwei identischen Kurbelgelenken (an den Stellen von Bolzen 5, 5a) dargestellt. Die Kurbel besteht generell aus einem Griffstück 3 mit einer darauf drehbaren Griffhülse 3a, einem am Griffstück 3 angelenkten, hohlen Zwischenstück 2 und einem am Zwischenstück, vorzugsweise Mittelstück, 2 angelenkten Kurbelstück 1 mit einer Kurbelhülse 1c. Die beiden Gelenke sind identisch ausgebildet, so dass die Beschreibung nur eines Gelenks genügt. Im Weiteren wird das Zwischenstück 2 als Oberteil 2 und das Kurbelstück 1 als Unterteil 1 bezeichnet. Im Oberteil 2 ist mittig eine Druckfeder 6 angeordnet, die an ihren beiden Enden auf jeweils ein noch zu erläuterndes Kombidruckstück 4, 4a wirkt, das andererseits seitlich auf das Griffstückende bzw. auf das Unterteilende einen Druck ausübt, so dass die gezeigte, winklige Lage der Kurbel festgelegt wird. Diese Lage ist auch aus der Fig. 1a erkennbar. Die Kurbel kann in eine gestreckte Lage überführt werden, die ebenfalls festgelegt ist, wobei die Kombidruckstücke 4, 4a stimseitig auf das Griffstückende bzw. auf das Unterteilende einen Druck ausüben.In Fig. 1 is a crank with two identical crank joints (at the points of bolt 5, 5a) shown. The crank generally consists of a handle 3 with a rotatable grip sleeve 3a, a hinged on the handle 3, hollow spacer 2 and a at the intermediate piece, preferably centerpiece, 2 hinged crank piece 1 with a crank sleeve 1c. The two joints are identical, so that the description of only one joint is sufficient. Furthermore, the intermediate piece 2 is referred to as the upper part 2 and the crank piece 1 as the lower part 1. In the upper part 2, a compression spring 6 is centrally arranged, which acts at its two ends on each one still to be explained combination pressure piece 4, 4a, on the other hand laterally on the handle piece end or on the lower part of a pressure exerts, so that the angular position shown Crank is set. This location is also from the Fig. 1a recognizable. The crank can be converted into an extended position, which is also fixed, wherein the combination pressure pieces 4, 4a exert pressure on the end of the grip piece or on the lower part end.

In Fig. 2 ist das rechte Kurbelgelenk der Fig. 1 näher dargestellt. Das Kurbelgelenk umfasst das hohle Oberteil 2 mit einem ersten Längsschlitz 2a und mit im Bereich des Längsschlitzes 2a angeordneten ersten Durchgangsquerbohrungen 2b, ein im ersten Längsschlitz 2a eingepasstes Mittelteil 8 mit einem zweiten Längsschlitz 8a und mit im Bereich des zweiten Längsschlitzes 8a angeordneten zweiten Durchgangsquerbohrungen 8b, das Unterteil 1 mit einem im zweiten Längsschlitz 8a eingepassten Flachteil, vorzugsweise Zweiflach, 1a und mit einer in diesem vorgesehenen dritten Durchgangsquerbohrung 1b und einen durch die Querbohrungen 2b, 8b, 1b geführten Bolzen 5. Das Mittelteil 8 und das im Oberteil 2 gelagerte Druckstück 7 sind zu dem Kombidruckstück 4 zusammengefasst, wie unten näher erläutert wird.In Fig. 2 is the right crank joint of the Fig. 1 shown in more detail. The crank joint comprises the hollow upper part 2 with a first longitudinal slot 2 a and with the first through-transverse bores 2 b arranged in the region of the longitudinal slot 2 a, a middle part 8 fitted in the first longitudinal slot 2 a with a second longitudinal slot 8 a and second through-cross bores 8 b arranged in the region of the second longitudinal slot 8 a. the lower part 1 with a flat part which is fitted in the second longitudinal slot 8a, preferably two-flat, 1a and with a third through-bore 1b provided in the latter and a bolt 5 guided through the transverse bores 2b, 8b, 1b. The middle part 8 and the pressure piece 7 mounted in the upper part 2 are combined to the combination pressure piece 4, as will be explained in more detail below.

In den Figuren 2a und 2b sind Ansichten des aus dem Drückstück 7 und dem Mittelteil 8 bestehenden Kombidruckstücks 4 gezeigt. Das Mittelteil 8 besteht aus einem U-förmigen Bügel 8c mit Verstärkungen 8d im Bereich der Durchgangsqueröffnung 8b. Dadurch ist eine formschlüssige Verbindung mit dem Mittelstück erreichbar. Der Bügel 8c weist an seiner Basis eine Öffnung auf, so dass das Druckstück 7 durch diese Öffnung durchgreifen kann. Mittelteil 8 und Druckstück 7 sind mittels eines dünnen, leicht entfembaren Stegs 9 verbunden. Vorzugsweise ist das so gebildete Kombidruckstück 4 als einstückiges Kunststoffteil gespritzt. Während der Montage der Kurbel wird der Verbindungssteg 9 des Mittelteils 8 in den Längsschlitz 2a gelöst, beispielsweise abgerissen, so dass Druckstück 7 und Mittelteil 8 keine Verbindung mehr haben und im Betrieb das Druckstück 7 auf das Flachteil 1a durchgreifen kann.In the FIGS. 2a and 2b are views of the existing of the pressing piece 7 and the middle part 8 combination pressure piece 4 shown. The middle part 8 consists of a U-shaped bracket 8c with reinforcements 8d in the region of the passage transverse opening 8b. As a result, a positive connection with the centerpiece can be achieved. The bracket 8c has at its base an opening so that the pressure piece 7 can pass through this opening. Middle part 8 and thrust piece 7 are by means of a thin, easily removable bridge 9 connected. Preferably, the composite pressure piece 4 thus formed is injected as a one-piece plastic part. During assembly of the crank of the connecting web 9 of the middle part 8 is dissolved in the longitudinal slot 2a, for example, demolished so that thrust piece 7 and middle part 8 no longer have a connection and in operation, the pressure piece 7 can pass through the flat part 1a.

Bei einer weiteren, in Fig. 3 dargestellten Ausführung des Kurbelgelenks ist in einer erweiterten Querbohrung 1b' des Flachteils 1a eine Gleitbuchse 10 drehfest montiert, um den Verschleiß und die Reibung zwischen dem Unterteil 1 und dem Bolzen 5 zu vermindern.At another, in Fig. 3 illustrated embodiment of the crank joint is in a broadened transverse bore 1b 'of the flat part 1a a sliding bush 10 rotatably mounted to reduce the wear and the friction between the lower part 1 and the pin 5.

In den Figuren 4-6 sind weitere Ausführungsvarianten des Kombidruckstücks 4 dargestellt, bei denen die Gleitbuchse in das Mittelteil 8 baulich integriert ist.In the Figures 4-6 further variants of the combination pressure piece 4 are shown, in which the slide bushing is structurally integrated into the middle part 8.

So ist in Fig. 4 in den Ansichten a)-d) jeweils eine Gleitbuchse 10a mit den Schenkeln des Mittelteils 8 verbunden, wobei die Gleitbuchsen 10a nach innen gerichtet sind. Die Gleitbuchsen werden in der Querbohrung 1b' (Fig. 3) gelagert.So is in Fig. 4 in the views a) -d) in each case a sliding bush 10a connected to the legs of the central part 8, wherein the sliding bushes 10a are directed inwards. The bushes are in the transverse bore 1b '( Fig. 3 ) stored.

In der in Fig. 5 gezeigten Ausführung des Kombidruckstücks ist nur der eine Schenkel des Mittelteils 8 mit einer entsprechend starken Gleitbuchse 10b versehen, deren Lagerung ebenfalls in der Querbohrung 1b' erfolgt.In the in Fig. 5 shown embodiment of the combination pressure piece is only one leg of the middle part 8 is provided with a correspondingly strong sliding bush 10b, the storage is also in the transverse bore 1b '.

In der in Fig. 6 gezeigten Ausführung des Kombidruckstücks sind zwei Gleitbuchsen 10c vorgesehen, von denen je eine mit einem der Schenkel des Mittelteils 8 versehen ist, wobei die Gleitbuchsen 10c nach außen gerichtet sind und in den Längsquerbohrungen 2b gelagert sind.In the in Fig. 6 shown embodiment of the combination pressure piece, two sliding bushes 10c are provided, one of which is provided with one of the legs of the central part 8, wherein the sliding bushes 10c are directed outward and are mounted in the Längsquerbohrungen 2b.

Schließlich ist in Fig. 7 eine weitere Ausführung des Druckstücks 7 des Kombidruckstücks 4 dargestellt, bei der das Druckstück aus zwei Platten 8e ohne die in den Figuren 4b, 5b, 6b gezeigte Basis gebildet ist. In Fig. 7 sind die Platten 8e mit den Verstärkungen 8d versehen. In Fig. 7e) sind zusätzlich zwei mit den Platten 8e verbundene, nach innen weisende Gleitbuchsen 10a vorgesehen, während in Fig. 7f) zwei mit den Platten 8e verbundene, nach außen weisende Gleitbuchsen 10c vorgesehen sind.Finally, in Fig. 7 a further embodiment of the pressure piece 7 of the combination pressure piece 4 shown, in which the pressure piece of two plates 8e without the in the FIGS. 4b . 5b . 6b formed base is formed. In Fig. 7 the plates 8e are provided with the reinforcements 8d. In Fig. 7e ) are in addition two with the plates 8e connected inwardly facing sliding bushes 10a provided while in Fig. 7f ) are provided with the plates 8e connected, outwardly facing sliding bushes 10c.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Kurbelstückcrank piece
1a1a
Flachteilflat part
1b1b
dritte Durchgangsquerbohrungthird passage cross bore
1b'1b '
erweiterte Durchgangsquerbohrungextended passage cross bore
1c1c
Kurbelhülsecrank sleeve
22
Mittelstückcenterpiece
2a2a
erster Längsschlitzfirst longitudinal slot
2b2 B
erste Durchgangsquerbohrungfirst passage cross bore
33
Griffstückgrip
3a3a
Griffhülsegrip sleeve
4, 4a4, 4a
KombidruckstückCombined printing piece
5, 5a5, 5a
Bolzenbolt
66
Druckfedercompression spring
77
DruckstückPressure piece
88th
Entkopplungdecoupling
8a8a
zweiter Längsschlitzsecond longitudinal slot
8b8b
zweite Durchgangsquerbohrungsecond passage cross bore
8c8c
U-förmiger BügelU-shaped bracket
8d8d
Verstärkungreinforcement
8e8e
Platteplate
99
Anbindungconnection
1010
Gleitbuchsebush
10a10a
Gleitbuchsebush
10b10b
Gleitbuchsebush
10c10c
Gleitbuchsebush

Claims (11)

  1. A crank, in particular for use in blinds, rolling shutters or awnings, having at least one bell crank, which bell crank comprises a hollow middle piece (2), having a first longitudinal slot (2a) and first transverse through bores (2b) disposed in the vicinity of the longitudinal slot (2a); a middle part (8), fitted into the first longitudinal slot (2a), and having a second longitudinal slot (8a) and second transverse through bores (8b), disposed in the vicinity of the second longitudinal slot (8a); a handle part (3) or crank piece (1), having a flat part (1a), fitted into the second longitudinal slot, and a third transverse through bore (1 b); a stay (9); and a bolt (5), guided by the transverse bores (2b, 8b, 1b); and the bell crank having a pressure piece (7), which is supported in the middle piece (2) and is braced on one side on the flat part (1a) and on the other on a compression spring (6), which spring is braced with its end remote from the flat part (1a) either on the middle piece (2) or on the pressure piece (4a) of a second bell crank,
    characterized in that
    before the crank is assembled, the pressure piece (7) and the middle part (8) are connected operationally with one another by the removable stay (9); and that in the assembled state of the crank, the stay is removed.
  2. The crank as defined by claim 1,
    characterized in that
    the operational connection is produced as a tied connection.
  3. The crank as defined by claim 1 or 2,
    characterized in that
    the tied connection is embodied as a rated breaking point.
  4. The crank as defined by one of claims 1-3,
    characterized in that
    the combination pressure piece (4) is produced in one piece from plastic.
  5. The crank as defined by one of claims 1-4,
    characterized in that
    the plastic comprises a low-friction material.
  6. The crank as defined by one of claims 1-5,
    characterized in that
    for the bolt, in particular in the flat part (1 a), a slide bush (10, 10a 10b 10c) is provided.
  7. The crank as defined by one of claims 1-6,
    characterized in that
    the middle part (8) comprises a U-shaped shackle (8c), which is provided on its base with an opening that enables the passage of the pressure piece (7).
  8. The crank as defined by one of claims 1-7,
    characterized in that
    the middle part (8) is formed of two plates (8e).
  9. The crank as defined by one of claims 1-8
    characterized in that
    each leg or plate of the middle part (8) is provided with an inward-pointing slide bush (10a).
  10. The crank as defined by one of claims 1-9,
    characterized in that
    one leg or plate of the middle part (8) is provided with an inward-pointing slide bush (10b).
  11. The crank as defined by one of claims 1-10,
    characterized in that
    each leg or plate of the middle part (8) is provided with an outward-pointing slide bush (10c).
EP06021173A 2005-10-10 2006-10-10 Crank Not-in-force EP1772792B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06021173T PL1772792T3 (en) 2005-10-10 2006-10-10 Crank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005048759 2005-10-10

Publications (3)

Publication Number Publication Date
EP1772792A2 EP1772792A2 (en) 2007-04-11
EP1772792A3 EP1772792A3 (en) 2009-01-07
EP1772792B1 true EP1772792B1 (en) 2012-05-16

Family

ID=37591816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06021173A Not-in-force EP1772792B1 (en) 2005-10-10 2006-10-10 Crank

Country Status (3)

Country Link
EP (1) EP1772792B1 (en)
ES (1) ES2387499T3 (en)
PL (1) PL1772792T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2964407B1 (en) * 2010-09-03 2012-09-14 Zurfluh Feller CRANK SHUTTER

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR817695A (en) * 1936-12-02 1937-09-08 Articulated crank
FR1080667A (en) * 1953-04-15 1954-12-13 Oscillating winch for roller shutter
DE2218614A1 (en) * 1972-04-18 1973-10-31 Instructa Metall & Kunststoff HAND CRANK
FR2640312B3 (en) * 1988-12-12 1991-03-22 Zurfluh Feller Sa ROLLING SHUTTER OPERATION SYSTEM
DE4420844A1 (en) * 1994-06-15 1995-12-21 Porsche Ag Articulated connection of two adjacent components, especially a convertible top
DE29500632U1 (en) * 1995-01-17 1996-05-15 Robert Bosch Gmbh, 70469 Stuttgart Wiper blade
FR2770577B1 (en) * 1997-11-03 2000-01-07 Zurfluh Feller IMPROVEMENTS ON A ROLLER SHUTTER HANDLE

Also Published As

Publication number Publication date
PL1772792T3 (en) 2012-10-31
EP1772792A3 (en) 2009-01-07
EP1772792A2 (en) 2007-04-11
ES2387499T3 (en) 2012-09-25

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