EP0216078B1 - Anti-crash safety catch for doors or the like independent of the centrifugal force - Google Patents

Anti-crash safety catch for doors or the like independent of the centrifugal force Download PDF

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Publication number
EP0216078B1
EP0216078B1 EP86110479A EP86110479A EP0216078B1 EP 0216078 B1 EP0216078 B1 EP 0216078B1 EP 86110479 A EP86110479 A EP 86110479A EP 86110479 A EP86110479 A EP 86110479A EP 0216078 B1 EP0216078 B1 EP 0216078B1
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EP
European Patent Office
Prior art keywords
recesses
housing
locking members
counter
fall device
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
Application number
EP86110479A
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German (de)
French (fr)
Other versions
EP0216078A1 (en
Inventor
Werner Haake
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Individual
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Individual
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Filing date
Publication date
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Priority to AT86110479T priority Critical patent/ATE42373T1/en
Publication of EP0216078A1 publication Critical patent/EP0216078A1/en
Application granted granted Critical
Publication of EP0216078B1 publication Critical patent/EP0216078B1/en
Expired 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/84—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against dropping
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10—Counterbalance devices
    • E05D13/12—Counterbalance devices with springs
    • E05D13/1253—Counterbalance devices with springs with canted-coil torsion springs
    • E05D13/1269—Spring safety devices
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/003—Anti-dropping devices
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10—Counterbalance devices
    • E05D13/12—Counterbalance devices with springs
    • E05D13/1253—Counterbalance devices with springs with canted-coil torsion springs
    • E05D13/1261—Counterbalance devices with springs with canted-coil torsion springs specially adapted for overhead wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • 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

Definitions

  • the invention relates to a centrifugal force-independent fall protection according to the preamble of claim 1.
  • a fall protection device of this type is described in DE-PS-3 300 331, in which the function is not dependent on centrifugal force, but depends on a torsion spring which acts on the fall protection device and is usually used to balance the weight of the door and which is blocked by two mutually movable ones in the Blocking position receiving spaces for locking body-forming devices is created, which are moved against each other in the non-blocking position so that the receiving spaces are unable to accommodate locking bodies.
  • the counter-housing continues to act actively on the locking body in the locked position, so that after the anti-fall device responds and unintentional manipulation of the counter-housing, the anti-fall device could be released.
  • the invention has for its object to improve the known fall protection so that the mating housing has only one function in the application, but no longer influences the blocking after the fall protection has responded and that the undesirable running noises of the device are further avoided.
  • the locking body can also be distributed over the entire inner circumference, but then z. B. held by a magnetic tape in the recesses.
  • the counter housing rotates, lifts the locking body out of its recesses in the stationary housing, so that they then come into contact with the receiving spaces for the locking body in the ratchet wheel, can enter it and then by installation in these accommodation spaces and by installation block at appropriate stops in the stationary housing.
  • the locking bodies preferably locking balls
  • the counter housing only performs a lifting function for the locking bodies. If the locking body comes into contact with the receiving space in the ratchet wheel and at the stops in the stationary housing, the counter housing no longer has any effect on the.. :: locking body, so that the locking effect of the fall protection cannot be released when the counter housing is actuated.
  • Fig. 1 denotes a fall protection device which is provided within a stationary housing 2.
  • a torsion spring is shown, which creates a counterforce for the gate to be secured.
  • the receiving space for the counterweight shaft is provided, a ratchet wheel 5 being connected to the counterweight shaft in a rotationally fixed manner.
  • the ratchet wheel 5 is surrounded by a counter housing 6 which is rotatably arranged within the housing 2.
  • the counter housing 6 has support blocks 7, on which the torsion spring 3 engages.
  • the counter housing 6 is subject to the action of two return springs 8 and 9, which are supported on the one hand on the counter housing 6 in a corresponding cutout 20 and on the other hand on a stop 21 provided on the stationary housing 2.
  • the ratchet wheel 5 which has receiving spaces 10 for locking body 11, the receiving spaces 10 distributed over the circumference of the ratchet wheel 5 open radially outwards and their size and shape are adapted to the size and shape of the locking body 11.
  • the locking body 11 are preferably made of balls.
  • Fig. 5 it can be seen that the receiving spaces 10a of a locking wheel 5a can also be made larger than the locking body, so that easier “catching" the locking body 11 in Response is possible.
  • the stationary housing 2 surrounds the ratchet wheel 5 at a distance which is smaller than the diameter of each ratchet body 11.
  • four recesses 12 are machined in the vertically lower region of the stationary housing 2, which are adapted to the shape and size of the ratchet body 11 are, wherein when the locking body are in these recesses, as shown in Fig. 3, the ratchet wheel 5 can freely overrun the locking body.
  • the recesses 12 are followed by stop tracks 14 which open into stops 15 for the locking body. So that the device is effective in both directions of rotation, the stop tracks 14 extend on both sides of the actual recess 12.
  • the counter housing 6 Arranged below the recesses 12 is the counter housing 6, which has recesses 16, the lowest point of which corresponds to the deepest point of the recess 12, with lifting paths 17 connecting to the recess 16 in the counter housing 6 on both sides, which when the counter housing 6 is rotated cause the locking body to be lifted out of the recesses 12 and thus lead the locking body into the effective area of the receiving spaces 10 of the locking wheel 5.
  • the counter housing 6 is in principle freely rotatably mounted within the stationary housing 2, but is subject on the one hand to the restoring force of the restoring springs 8 and 9, on the other hand the force by the spring 3. In addition, its rotational movement is limited by a stop 19 which is in a groove guide 18 leads.
  • the counter housing 6 is preferably made of a plastic which has the required strength.
  • the fall protection is in the position shown in Fig. 3, i. H. the force to be monitored, applied by the spring 3, has guided the counter housing 6 into the position shown in FIG. 3 by compressing the spring 9.
  • the lifting paths 17 guide the blocking bodies 5 from the deepest of Recesses 12 in a raised position, in which the locking body 11 must now enter the receiving spaces 10 of the locking wheel 5.
  • the locking body 11 move on the stop tracks 14 and come to rest against the stops 15 of the stationary housing 2 and thereby block the rotational movement of the ratchet wheel 5. This prevents further movement of the gate to be secured, since the ratchet wheel 5 rotatably with the in Drawing, not shown, is connected to the counterweight shaft.

Abstract

A safety device for garage doors wherein the door can be pulled down against the opposition of one or more torsion springs acting upon a horizontal shaft has a housing for a gear which is non-rotatably mounted on the shaft and whose peripheral teeth and tooth spaces are adjacent a set of recesses the the housing. A plastic casing which is biased by the torsion springs normally maintains in deformed condition at least one coil spring which reacts against the housing and tends to rotate the casing relative to the gear so that several ramps which are adjacent to discrete pockets of the casing expel from the recesses spherical blocking elements which normally extend partly into the recesses and partly into the adjacent pockets. This results in partial entry of blocking elements into the adjacent tooth spaces to thus hold the shaft against rotation relative to the housing in the event of breakage of the torsion springs.

Description

Die Erfindung bezieht sich auf eine fliehkraftunabhängige Absturzsicherung gemäß dem Oberbegriff des Anspruches 1.The invention relates to a centrifugal force-independent fall protection according to the preamble of claim 1.

Eine Absturzsicherung dieser Art wird in der DE-PS-3 300 331 beschrieben, bei welcher die Funktion nicht fliehkraftabhängig ist, sondern von einer an der Absturzsicherung angreifenden, üblicherweise zur Ausbalancierung des Torgewichtes dienenden Torsionsfeder abhängt und die Blockierung durch zwei gegeneinander bewegbare, in der Blockierstellung Aufnahmeräume für Sperrkörper bildenden Einrichtungen geschaffen wird, die in der Nichtblockierstellung so gegeneinander bewegt werden, daß die Aufnahmeräume nicht in der Lage sind, Sperrkörper aufzunehmen.A fall protection device of this type is described in DE-PS-3 300 331, in which the function is not dependent on centrifugal force, but depends on a torsion spring which acts on the fall protection device and is usually used to balance the weight of the door and which is blocked by two mutually movable ones in the Blocking position receiving spaces for locking body-forming devices is created, which are moved against each other in the non-blocking position so that the receiving spaces are unable to accommodate locking bodies.

Bei dieser bekannten Einrichtung, die sich in der Praxis ausgezeichnet bewährt hat, wurde als nachteilig empfunden, daß während des Betriebes des Tores die Sperrkörper durch das Sperrad mitgeführt werden, wodurch sich zwangsläufig Laufgeräusche in der Absturzsicherung ergeben.In this known device, which has proven itself in practice, was found to be disadvantageous in that the locking body are carried by the ratchet wheel during operation of the gate, which inevitably results in running noise in the fall protection.

Bei der bekannten Einrichtung wirkt weiterhin das Gegengehäuse in der Sperrstellung aktiv auf die Sperrkörper, so daß nach Ansprechen der Absturzsicherung und einem unbeabsichtigten Manipulieren am Gegengehäuse, die Absturzsicherung gelöst werden konnte.In the known device, the counter-housing continues to act actively on the locking body in the locked position, so that after the anti-fall device responds and unintentional manipulation of the counter-housing, the anti-fall device could be released.

Der Erfindung liegt die Aufgabe zugrunde, die bekannte Absturzsicherung dahingehend zu verbessern, daß das Gegengehäuse nur eine Funktion im Einsatzfall hat, aber nach Ansprechen der Absturzsicherung keinen Einfluß mehr auf die Blockierung nimmt und daß weiterhin die unerwünschten Laufgeräusche der Vorrichtung vermieden werden.The invention has for its object to improve the known fall protection so that the mating housing has only one function in the application, but no longer influences the blocking after the fall protection has responded and that the undesirable running noises of the device are further avoided.

Diese Aufgabe wird durch die im kennzeichnenden Teil des Anspruches 1 angegebenen Merkmale gelöst.This object is achieved by the features specified in the characterizing part of claim 1.

Vorteilhafte Ausgestaltungen sind in den Unteransprüchen angegeben.Advantageous refinements are specified in the subclaims.

Mit anderen Worten ausgedrückt: Bei der erfindungsgemäßen Vorrichtung werden z. B. nur im vertikalen unteren Bereich der Absturzsicherung eine Anzahl von Sperrkörpern vorgesehen, die nicht mit dem Sperrad umlaufen, sondern im ortsfesten Gehäuse untergebracht sind.In other words: In the device according to the invention, for. B. only in the vertical lower area of the fall protection provided a number of locking bodies that do not circulate with the ratchet wheel, but are housed in the stationary housing.

Die Sperrkörper können auch über den ganzen Innenumfang verteilt sein, werden dann aber z. B. durch ein Magnetband in den Ausnehmungen gehalten.The locking body can also be distributed over the entire inner circumference, but then z. B. held by a magnetic tape in the recesses.

Im Ansprechfall der Absturzsicherung verdreht sich das Gegengehäuse, hebt die Sperrkörper aus ihren Ausnehmungen im ortsfesten Gehäuse heraus, so daß sie dann mit den Aufnahmeräumen für die Sperrkörper im Sperrad in Verbindung kommen, in diese eintreten können und dann durch Anlage in diesen Aufnahmeräumen und durch Anlage an entsprechenden Anschlägen im ortsfesten Gehäuse blockieren.In response to the fall protection, the counter housing rotates, lifts the locking body out of its recesses in the stationary housing, so that they then come into contact with the receiving spaces for the locking body in the ratchet wheel, can enter it and then by installation in these accommodation spaces and by installation block at appropriate stops in the stationary housing.

Hieraus ist ersichtlich, daß einerseits die Sperrkörper, vorzugsweise Sperrkugeln, nicht mehr während des Betriebes der Vorrichtung vom Sperrad mitgenommen werden müssen und daß zum andern das Gegengehäuse nur eine Hubfunktion für die Sperrkörper ausübt. Wenn die Sperrkörper in die Aufnahmeräume im Sperrad und an den Anschlägen im ortsfesten Gehäuse zur Anlage gekommen sind, hat das Gegengehäuse keine Einwirkung mehr auf die ;.:: Sperrkörper, so daß bei einem Betätigen des Gegengehäuses die Sperrwirkung der Absturzsicherung nicht aufgehoben werden kann.From this it can be seen that, on the one hand, the locking bodies, preferably locking balls, no longer have to be taken along by the ratchet wheel during operation of the device and, on the other hand, that the counter housing only performs a lifting function for the locking bodies. If the locking body comes into contact with the receiving space in the ratchet wheel and at the stops in the stationary housing, the counter housing no longer has any effect on the.. :: locking body, so that the locking effect of the fall protection cannot be released when the counter housing is actuated.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnungen erläutert. Von den Zeichnungen zeigen:

  • Fig. 1 eine schaubildliche Ansicht auf eine Absturzsicherung, in
  • Fig. 2 einen Schnitt gemäß der Linie 2 - 2 in Fig. 1,
  • Fig. 3 eine Ansicht in der Betriebsstellung - Freilaufstellung - der Absturzsicherung, in
  • Fig. 4 eine Ansicht gemäß Fig. 3 in der Sperrstellung der Absturzsicherung und in
  • Fig. 5 einen Teil eines Sperrades zur Verdeutlichung einer anderen Form für die Aufnahmeräume für Sperrkörper.
An embodiment of the invention is explained below with reference to the drawings. From the drawings show:
  • Fig. 1 is a perspective view of a fall protection, in
  • 2 shows a section along the line 2-2 in Fig. 1,
  • Fig. 3 is a view in the operating position - freewheeling position - the fall protection, in
  • Fig. 4 is a view of FIG. 3 in the locked position of the fall protection and in
  • Fig. 5 shows a part of a ratchet wheel to illustrate another shape for the receiving spaces for locking body.

In Fig. 1 ist mit 1 eine Absturzsicherung bezeichnet, die innerhalb eines ortsfest angeordneten Gehäuses 2 vorgesehen ist. Bei 3 ist eine Torsionsfeder dargestellt, die eine Gegenkraft für das zu sichernde Tor schafft. Bei 4 ist der Aufnahmeraum für die Gegengewichtswelle vorgesehen, wobei mit der Gegengewichtswelle drehfest verbunden ein Sperrad 5 vorgesehen ist. Das Sperrad 5 wird von einem Gegengehäuse 6 umgeben, das drehbar innerhalb des Gehäuses 2 angeordnet ist.In Fig. 1, 1 denotes a fall protection device which is provided within a stationary housing 2. At 3, a torsion spring is shown, which creates a counterforce for the gate to be secured. At 4, the receiving space for the counterweight shaft is provided, a ratchet wheel 5 being connected to the counterweight shaft in a rotationally fixed manner. The ratchet wheel 5 is surrounded by a counter housing 6 which is rotatably arranged within the housing 2.

Das Gegengehäuse 6 weist Abstützblöcke 7 auf, an denen die Torsionsfeder 3 angreift. Außerdem unterliegt das Gegengehäuse 6 der Wirkung zweier Rückstellfedern 8 und 9, die sich einerseits am Gegengehäuse 6 in einem entsprechenden Ausschnitt 20 und andererseits an einem am ortsfesten Gehäuse 2 vorgesehenen Anschlag 21 abstützen.The counter housing 6 has support blocks 7, on which the torsion spring 3 engages. In addition, the counter housing 6 is subject to the action of two return springs 8 and 9, which are supported on the one hand on the counter housing 6 in a corresponding cutout 20 and on the other hand on a stop 21 provided on the stationary housing 2.

Insbesondere aus den Fig. 3 und 4 ist der Aufbau der Absturzsicherung deutlicher erkennbar. In diesen Zeichnungen ist das Sperrad 5 erkennbar, das Aufnahmeräume 10 für Sperrkörper 11 aufweist, wobei die Aufnahmeräume 10 über den Umfang des Sperrades 5 verteilt sich radial nach außen öffnen und in ihrer Größe und Form der Größe und Form der Sperrkörper 11 angepaßt sind. Die Sperrkörper 11 bestehen vorzugsweise aus Kugeln.The structure of the fall protection can be seen more clearly in particular from FIGS. 3 and 4. In these drawings, the ratchet wheel 5 can be seen, which has receiving spaces 10 for locking body 11, the receiving spaces 10 distributed over the circumference of the ratchet wheel 5 open radially outwards and their size and shape are adapted to the size and shape of the locking body 11. The locking body 11 are preferably made of balls.

In Fig. 5 ist erkennbar, daß die Aufnahmeräume 10a eines Sperrades 5a auch größer als die Sperrkörper ausgebildet sein können, so daß ein leichteres "Fangen" der Sperrkörper 11 im Ansprechfall möglich wird.In Fig. 5 it can be seen that the receiving spaces 10a of a locking wheel 5a can also be made larger than the locking body, so that easier "catching" the locking body 11 in Response is possible.

Das ortsfeste Gehäuse 2 umgibt das Sperrad 5 in einem Abstand, der kleiner ist als der Durchmesser jedes Sperrkörpers 11. Bei dem dargestellten Ausführungsbeispiel sind in dem ortsfesten Gehäuse 2 im vertikal unteren Bereich vier Ausnehmungen 12 ausgearbeitet, die der Form und Größe der Sperrkörper 11 angepaßt sind, wobei, wenn die Sperrkörper in diesen Ausnehmungen stehen, so wie in Fig. 3 dargestellt, das Sperrad 5 die Sperrkörper frei überlaufen kann.The stationary housing 2 surrounds the ratchet wheel 5 at a distance which is smaller than the diameter of each ratchet body 11. In the illustrated embodiment, four recesses 12 are machined in the vertically lower region of the stationary housing 2, which are adapted to the shape and size of the ratchet body 11 are, wherein when the locking body are in these recesses, as shown in Fig. 3, the ratchet wheel 5 can freely overrun the locking body.

An die Ausnehmungen 12 schließen sich - wie dies Fig. 3 verdeutlicht - Anschlagbahnen 14 an, die in Anschlägen 15 für die Sperrkörper münden. Damit die Vorrichtung in beiden Drehrichtungen wirksam ist, erstrecken sich die Anschlagbahnen 14 zu beiden Seiten der eigentlichen Ausnehmung 12.As illustrated in FIG. 3, the recesses 12 are followed by stop tracks 14 which open into stops 15 for the locking body. So that the device is effective in both directions of rotation, the stop tracks 14 extend on both sides of the actual recess 12.

Unterhalb der Ausnehmungen 12 ist das Gegengehäuse 6 angeordnet, das Ausnehmungen 16 aufweist, deren tiefste Stelle der tiefsten Stelle der Ausnehmung 12 entspricht, wobei sich an die Ausnehmung 16 im Gegengehäuse 6 nach beiden Seiten hin Hubbahnen 17 anschließen, die bei einem Verdrehen des Gegengehäuses 6 ein Ausheben der Sperrkörper aus den Ausnehmungen 12 bewirken und damit die Sperrkörper in den Wirkungsbereich der Aufnahmeräume 10 des Sperrrades 5 führen.Arranged below the recesses 12 is the counter housing 6, which has recesses 16, the lowest point of which corresponds to the deepest point of the recess 12, with lifting paths 17 connecting to the recess 16 in the counter housing 6 on both sides, which when the counter housing 6 is rotated cause the locking body to be lifted out of the recesses 12 and thus lead the locking body into the effective area of the receiving spaces 10 of the locking wheel 5.

Das Gegengehäuse 6 ist im Prinzip frei drehbar innerhalb des ortsfesten Gehäuses 2 gelagert, unterliegt aber einerseits der Rückstellkraft der Rückstell federn 8 und 9, andererseits der Kraft durch die Feder 3. Außerdem wird seine Drehbewegung durch einen Anschlag 19 begrenzt, der sich in einer Nutführung 18 führt.The counter housing 6 is in principle freely rotatably mounted within the stationary housing 2, but is subject on the one hand to the restoring force of the restoring springs 8 and 9, on the other hand the force by the spring 3. In addition, its rotational movement is limited by a stop 19 which is in a groove guide 18 leads.

Das Gegengehäuse 6 besteht vorzugsweise aus einem Kunststoff, der die erforderliche Festigkeit aufweist.The counter housing 6 is preferably made of a plastic which has the required strength.

Im Arbeitszustand steht die Absturzsicherung in der in Fig. 3 dargestellten Stellung, d. h. die zu überwachende, durch die Feder 3 aufgebrachte Kraft hat das Gegengehäuse 6 unter Kompression der Feder 9 in die in Fig. 3 dargestellte Stellung geführt.In the working state, the fall protection is in the position shown in Fig. 3, i. H. the force to be monitored, applied by the spring 3, has guided the counter housing 6 into the position shown in FIG. 3 by compressing the spring 9.

Bricht nun die Feder 3, wird die durch die Feder 3 oder eine sonstige Vorrichtung aufgebrachte Kraft aufgehoben, durch die das abzusichernde Tor abstürzen könnte, bewirkt die Feder 9 eine Drehbewegung des Gegengehäuses 6. Hierbei führen die Hubbahnen 17 die Sperrkörper 5 aus dem Tiefsten der Ausnehmungen 12 in eine angehobene Stellung, in der nunmehr die Sperrkörper 11 in die Aufnahmeräume 10 des Sperrades 5 eintreten müssen. Hierbei bewegen sich die Sperrkörper 11 auf den Anschlagbahnen 14 und kommen zur Anlage an den Anschlägen 15 des ortsfesten Gehäuses 2 und sperren dadurch die Drehbewegung des Sperrades 5. Hierdurch wird eine weitere Bewegung des abzusichernden Tores verhindert, da das Sperrad 5 drehfest mit der in der Zeichnung nicht dargestellten Gegengewichtswelle verbunden ist.If the spring 3 now breaks, the force applied by the spring 3 or some other device, by which the gate to be secured could fall, causes the spring 9 to cause the counter-housing 6 to rotate. Here, the lifting paths 17 guide the blocking bodies 5 from the deepest of Recesses 12 in a raised position, in which the locking body 11 must now enter the receiving spaces 10 of the locking wheel 5. Here, the locking body 11 move on the stop tracks 14 and come to rest against the stops 15 of the stationary housing 2 and thereby block the rotational movement of the ratchet wheel 5. This prevents further movement of the gate to be secured, since the ratchet wheel 5 rotatably with the in Drawing, not shown, is connected to the counterweight shaft.

Aus den Zeichnungen und der voraufgehenden Beschreibung ist ersichtlich, daß während des Betriebes des Tores die Sperrkörper 11 in ihren Ausnehmungen 12 verbleiben, sich also nicht bewegen und dadurch keine Laufgeräusche hervorrufen können.From the drawings and the preceding description it can be seen that the locking bodies 11 remain in their recesses 12 during operation of the gate, that is to say they do not move and can therefore not cause any running noises.

Aus der Darstellung in Fig. 4 ist ersichtlich, daß bei einem Betätigen des Gegengehäuses 6 nach Ansprechen der Absturzsicherung, d. h. dann, wenn die Sperrkörper 11 an den Anschlägen 15 und in den Aufnahmeräumen 10 des Sperrades 5 eingetreten sind, eine Betätigung des Gegengehäuses ohne Einfluß auf die Sperrwirkung hat.From the illustration in Fig. 4 it can be seen that when the counter-housing 6 is actuated after the fall protection has responded, i. H. then when the locking body 11 has entered the stops 15 and in the receiving spaces 10 of the locking wheel 5, an actuation of the counter housing has no influence on the locking effect.

Claims (6)

1. Centrifugally-independent anti-fall device (1) for doors or the like, for example, vertical sliding shutter doors, with a ratchet wheel (5) arranged fixedly on a counterweight shaft and having distributed over the entire circumference radially open receiving spaces (10), formed by supporting surfaces, for locking members (1), with a permanently fixed housing (2), which is fixed with respect to the counterweight shaft and the inside of which surrounds the ratchet wheel (5) at a distance which is smaller than the radial diameter of each locking member (1) and has on the inside recesses (12) for the locking members (11), as veil as with a counter-housing (6), which is connected to a torsion spring (3) acting on the counterweight shaft, can rotate freely on the counterweight shaft, has on the inside radially inwardly open recesses (16) for the locking members (11) and, in normal operation of the door, is turned by the force of the torsion spring (3) against the restoring force of springs (8, 9) acting on the counter-housing (6) and supported against the permanently fixed housing (2), the restoring force of the restoring springs (8, 9) being smaller than the force of the torsion spring (3), characterized in that
a) stops (15) for the locking members (11) circumferentially adjoin the recesses (12) in the permanently fixed housing (2),
b) rising lifting tracks (17) circumferentially adjoin the recesses (16) in the counter-housing (6) towards the inside of the counter-housing,
c) the recesses (16) in the counter-housing (6) have, seen in the radial direction, the same depth as the recesses (12) in the permanently fixed housing (2),
d) the recesses (16) in the counter-housing (6) and the recesses (12) in the permanently fixed housing (2) are provided at least in the vertically lover region of the anti-fall device (1) and, in normal operation of the door, the locking members (11) are arranged in the recesses (12, 16).
2. Anti-fall device according to claim 1, characterized in that stop tracks (14), adapted to the shape of the locking members, circumferentially adjoin the recesses (12) in the permanently fixed housing (2).
3. Anti-fall device according to claim 1, characterized in that the counter-housing (6) consists of plastic.
4. Anti-fall device according to one of claims 1 to 3, characterized in that the receiving spaces (10) for the locking members (11) in the ratchet wheel (5) are adapted to the shape of the locking members.
5. Anti-fall device according to one of claims 1 to 3, characterized in that the receiving spaces (10a) for the locking members are made in the ratchet wheel (5a) in elongated design (Fig. 5).
6. Anti-fall device according to one of claims 1 to 5, characterized in that the recesses (16) and (12) are arranged over the entire inner circumference and the locking members (11) are held in the recesses (12) by a magnetic strip.
EP86110479A 1985-09-13 1986-07-29 Anti-crash safety catch for doors or the like independent of the centrifugal force Expired EP0216078B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86110479T ATE42373T1 (en) 1985-09-13 1986-07-29 FALL PROTECTION INDEPENDENT OF CENTRIFUGAL FORCE FOR GOALS OR THE LIKE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3532754A DE3532754C1 (en) 1985-09-13 1985-09-13 Centrifugal-independent fall protection for gates or the like.
DE3532754 1985-09-13

Publications (2)

Publication Number Publication Date
EP0216078A1 EP0216078A1 (en) 1987-04-01
EP0216078B1 true EP0216078B1 (en) 1989-04-19

Family

ID=6280914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86110479A Expired EP0216078B1 (en) 1985-09-13 1986-07-29 Anti-crash safety catch for doors or the like independent of the centrifugal force

Country Status (5)

Country Link
US (1) US4697676A (en)
EP (1) EP0216078B1 (en)
AT (1) ATE42373T1 (en)
CA (1) CA1267354A (en)
DE (1) DE3532754C1 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
DE4317779C1 (en) * 1993-05-28 1994-05-26 Haake Andre Anti-crash security stop for gates - has stop plate in driving connection with drive cams and return springs

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JPH01163386A (en) * 1987-12-18 1989-06-27 Nippon Denso Co Ltd Switchgear of door for car
US4877113A (en) * 1988-04-19 1989-10-31 Allied-Signal Inc. One-way clutch preventing back drive of reversible motor
CA2263666A1 (en) 1999-03-18 2000-09-18 Pierre-Louis Foucault Cable failure device
US7254868B2 (en) * 2004-12-27 2007-08-14 Wayne-Dalton Corp. winding and anti-drop assembly for door counterbalance system
US7686150B2 (en) * 2007-02-05 2010-03-30 Chung-Hsien Hsieh Governor device for door
US9151343B2 (en) * 2013-03-14 2015-10-06 Ati Industrial Automation, Inc. Ball lock compensator for use with a robotic device
TW201443331A (en) * 2013-05-13 2014-11-16 zhong-xian Xie Door leaf anti-fall device for use in electric roller door

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US2097242A (en) * 1934-04-30 1937-10-26 Stanley Works Articulated overhead door
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DE3435461C1 (en) * 1984-09-27 1986-01-30 André 4286 Südlohn Haake Security device against inadvertent unrolling of roller gates or the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4317779C1 (en) * 1993-05-28 1994-05-26 Haake Andre Anti-crash security stop for gates - has stop plate in driving connection with drive cams and return springs

Also Published As

Publication number Publication date
CA1267354A (en) 1990-04-03
EP0216078A1 (en) 1987-04-01
DE3532754C1 (en) 1986-11-13
US4697676A (en) 1987-10-06
ATE42373T1 (en) 1989-05-15

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