EP1451647B1 - Tourbillon - Google Patents

Tourbillon Download PDF

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Publication number
EP1451647B1
EP1451647B1 EP02804189A EP02804189A EP1451647B1 EP 1451647 B1 EP1451647 B1 EP 1451647B1 EP 02804189 A EP02804189 A EP 02804189A EP 02804189 A EP02804189 A EP 02804189A EP 1451647 B1 EP1451647 B1 EP 1451647B1
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EP
European Patent Office
Prior art keywords
balance wheel
arm
spring
balance
timepiece according
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Expired - Lifetime
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EP02804189A
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German (de)
French (fr)
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EP1451647A2 (en
Inventor
Helmut Geyer
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Lange Uhren GmbH
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Lange Uhren GmbH
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Publication of EP1451647A2 publication Critical patent/EP1451647A2/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of unbalance of the weights, e.g. tourbillon
    • G04B17/285—Tourbillons or carrousels
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/004—Mechanical devices for setting the time indicating means having several simultaneous functions, e.g. stopping or starting the clockwork or the hands

Definitions

  • the distance between the connection point and contact area of the front in the direction of rotation of the bogie spring arm is greater than the distance between the connection point and contact area of the rear in the direction of rotation of the bogie spring arm.
  • the Doppelarmfeder with the contact areas of their spring arms can always adapt to the bodies to which the contact areas of the spring arms come to rest, preferably the Doppelarmfeder is articulated freely pivotable in the region of its connection point about a pivot axis of the bogie hinge axis on a pivot lever, wherein the Pivoting lever about a likewise parallel to the rotation axis Axis, the double arm spring between its normal position and its blocking position is pivotally operable.
  • the pivot lever is pivotally driven by a double-arm, pivotable about a pivot axis pivoting element of the actuating shaft.
  • an escapement is further arranged, which consists of an armature 8 and an escape wheel 9, wherein the armature 8 cooperates with the balance.
  • the control shaft 28 serves in its normal position as the elevator shaft of the clock.
  • pivot member 25 acts in its pivoting direction resiliently formed legs 20 of the actuating arm 19 of the pivot lever 16.
  • This pivots the Investment lever 18 of the pivot lever 16 with its free end to rest 6.
  • a Doppelarmfeder 31 pivoted freely pivoted from its located in the normal position outside the circumferential path of movement 32 of the pillar position of the bearing lever 18 in its blocking position. In the illustrated blocking position, at least one of the two spring arms 33 and 34, with its contact region 35 and 36 of its free end regions, comes into contact with the radially encircling contour of the balance 6 and blocks its pivotal movement.
  • the spring arm 33 of the V-shaped double-arm spring 31 extends counter and the spring arm 34 in the direction of rotation 37 of the cage 5. At the connection point the two spring arms 33 and 34, the double arm 31 is hinged to the Anlegehebel 18.
  • the double-arm spring 31 engages over a pillar 3 and abuts on each side of the pillar 3 with a spring arm 33 and 34 on the balance 6.

Abstract

A tourbillon for a watch having a setting device for setting the hands of the watch includes a circular balance wheel that can swivel about a swivel axis. In addition, an escapement is provided that consists of a pallet and an escape wheel, the balance wheel and the escapement arranged on a base plate. A balance wheel shaft of the balance is rotationally mounted with its one end on the base plate and with its other end on a cage that surrounds the balance wheel like a basket. The cage comprises, outside of the radially encircling periphery of the balance wheel, a number of interspaced pillars fastened to the base plate and forms, with the base plate, a rotating mount which can be rotationally driven about rotation axis that is coaxial to the swivel axis by a seconds drive of the watch. A stop device can be actuated by the setting device and swiveling movement of the balance wheel can be blocked by the stop device. The stop device has an approximately V-shaped double-arm spring, which can be moved out of a normal position while being radially displaced outside of the encircling movement path of the pillars and into a blocking position in which it can rest in a flexible manner against the radially encircling contour of the balance wheel via contact areas and on both end areas of both of its spring arms that are oriented in and counter to the encircling direction of the contour of the balance wheel.

Description

Die Erfindung bezieht sich auf eine Uhr mit einer Stelleinrichtung zum Stellen der Zeiger der Uhr und mit einem Tourbillon, das eine kreisförmige Unruh, die um eine Schwenkachse schwenkbar ist und mit einer aus Anker und Ankerrad bestehenden Hemmung aufweist, wobei die Unruh und die Hemmung auf einer Grundplatine angeordnet sind und eine Unruhwelle der Unruh mit ihrem einen Ende auf der Grundplatine und mit ihrem anderen Ende an einem die Unruh korbartig umschließenden Käfig drehbar gelagert ist, der außerhalb der radial umlaufenden Peripherie der Unruh mehrere im Abstand voneinander auf der Grundplatine befestigte Pfeiler besitzt und mit der Grundplatine ein Drehgestell bildet, das mit dem Sekundentrieb der Uhr fest verbunden ist und mit diesem um eine zur Schwenkachse koaxiale Drehachse drehbar antreibbar ist.The invention relates to a clock with an adjusting device for setting the hands of the clock and a tourbillon, which has a circular balance, which is pivotable about a pivot axis and with an armature and escape wheel escapement, the balance and the escapement a motherboard are arranged and a balance shaft of the balance is rotatably mounted with its one end on the motherboard and with its other end to a balance basket around the balance balance, the outside of the radially peripheral periphery of the balance has several spaced apart on the motherboard pillar and forms a bogie with the motherboard, which is fixedly connected to the second drive of the clock and with this about a pivot axis coaxial axis of rotation is rotatably driven.

Tourbillons der eingangs genannten Art sind bekannt, zum Beispiel, aus EP 0727721 .Tourbillons of the type mentioned are known, for example, from EP 0727721 ,

Weiterhin ist es bei Uhren ohne Tourbillon bekannt, daß bei einem Einstellen des Minutenzeigers die Unruh durch einen zur Anlage an der Unruh geschwenkten Federarm arretiert und nach Beendigung des Einstellvorgangs der Zeiger durch Verschwenken des Federarms von der Unruh weg deren Arretierung wieder gelöst wird.Furthermore, it is known for watches without tourbillon that when setting the minute hand the balance is locked by a swung to rest on the balance spring arm and after completion of the adjustment of the pointer by pivoting the spring arm of the balance away whose lock is released again.

Eine Verwendung einer solchen Arretierung der Unruh bei Uhren mit einem Tourbillon ist nicht möglich, da es dabei zu einer Kollision des ortsfesten Federarms mit dem umlaufenden Käfig des Tourbillons kommt.A use of such a lock the balance in watches with a tourbillon is not possible, since it comes to a collision of the stationary spring arm with the rotating cage of the tourbillon.

Aufgabe der Erfindung ist es daher ein Tourbillon der eingangs genannten Art zu schaffen, das auf einfache Art eine Blockierung der Schwenkbewegung der Unruh bei Betätigung einer Stelleinrichtung der Uhr ermöglicht.The object of the invention is therefore to provide a tourbillon of the type mentioned, which allows a simple way blocking the pivotal movement of the balance on actuation of an adjusting device of the clock.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß von der Stelleinrichtung eine Stoppvorrichtung betätigbar und von der Stoppvorrichtung die Schwenkbewegung der Unruh blockierbar ist, wobei die Stoppvorrichtung eine etwa V- oder U-förmige Doppelarmfeder aufweist, die aus einer Normallage radial außerhalb der umlaufenden Bewegungsbahn der Pfeiler in eine Blockierlage bewegbar ist, in der sie mit Anlagebereichen an den freien Endbereichen ihrer beiden in und entgegen der Umlaufrichtung der Kontur der Unruh gerichteten Federarme federnd an die radial umlaufenden Kontur der Unruh anlegbar ist.This object is achieved in that of the actuator a stop device actuated and the stopper, the pivotal movement of the balance is blockable, wherein the stop device has an approximately V- or U-shaped Doppelarmfeder, from a normal position radially outside the circumferential trajectory of the pillars is movable in a blocking position, in which it is resiliently applied to the radially circumferential contour of the balance with investment areas at the free end portions of their two directed in and against the direction of rotation of the contour of the balance spring arms.

Durch diese Ausbildung wird zum einen sichergestellt, daß die Stopvorrichtung in der Normallage außerhalb der umlaufenden Bewegungsbahn der Pfeiler sich befindet und so mit dem umlaufenden Käfig nicht in Kollision kommt.By this training, on the one hand ensures that the stop device in the normal position outside the revolving path of movement The pillar is located and so does not come into collision with the encircling cage.

Gleichzeitig ist durch die Doppelarmfeder sichergestellt, daß bei Auflage eines Federarms auf einem Pfeiler des Käfigs der andere Federarm die Unruh in direkter Weise weiterhin arretieren kann.At the same time it is ensured by the double spring, that when a spring arm on a pillar of the cage of the other spring arm, the balance can continue to lock in a direct manner continue.

Um sowohl die Spannweite der Doppelarmfeder gering halten zu können und gleichzeitig ein Aufliegen beider Anlagebereiche auf einem Pfeiler zu vermeiden, können die die Unruh beaufschlagenden Endbereiche der Federarme in zur Unruh radial umlaufender Richtung einen kleineren Abstand zueinander besitzen als der kleinste Abstand zwischen den Pfeilern.In order to be able to keep both the span of the double arm spring low and at the same time a resting both abutment areas on a pillar, the balance acting end portions of the spring arms in the balance radially circumferential direction may have a smaller distance from each other than the smallest distance between the pillars.

Ist der Verbindungspunkt der beiden Federarme bei in Blockierlage befindlicher Doppelarmfeder außerhalb der umlaufenden Bewegungsbahn der Pfeiler, so können in der Blockierlage die beiden Federarme einen Pfeiler umgreifen und zu beiden Seiten des Pfeilers an der Unruh in Anlage sein.If the point of connection of the two spring arms is in the blocking position double arm spring outside the circumferential trajectory of the pillars, so in the blocking position, the two spring arms can embrace a pillar and be on both sides of the pillar on the balance in Appendix.

Erstrecken sich die freien Enden der Federarme von ihren Anlagebereichen an der Unruh etwa rampenartig von der Unruh weggerichtet, so wird ein Einfädeln dieser freien Ende zwischen Unruh und Pfeilern vermieden.Extend the free ends of the spring arms of their investment areas on the balance about ram-like directed away from the balance, a threading this free end between balance and pillars is avoided.

Vorzugsweise erstreckt sich dabei das freie Ende des in Drehrichtung des Drehgestells hinteren Federarms in der Blockierstellung der Doppelarmfeder bis radial außerhalb der umlaufenden Bewegungsbahn der Pfeiler, so daß selbst dann, wenn sich das freie Ende dieses Federarms in der Blokkierstellung dicht an einem Pfeiler befindet, beim Wiederanlaufen der Uhr ein Einfäden dieses Endes des Federarms zwischen Unruh und Pfeiler verhindert ist. Ein Verhaken der freien Enden der Federarme mit der Unruh wird weiterhin dadurch vermieden, daß der Abstand zwischen dem Verbindungspunkt und den Anlagebereichen der beiden Federarme ungleich ist.Preferably, the free end of the rear in the direction of rotation of the bogie spring arm in the blocking position of the Doppelarmfeder extends to radially outside the circumferential path of movement of the pillar, so that even if the free end of this spring arm in the blocking position is close to a pillar at Restart the watch a threading of this end of the spring arm between balance and pillar is prevented. A hooking of the free ends of the spring arms with the balance is further avoided by the fact that the distance between the connection point and the contact areas of the two spring arms is unequal.

Dabei ist vorzugsweise der Abstand zwischen Verbindungspunkt und Anlagebereich des in Drehrichtung des Drehgestells vorderen Federarms größer als der Abstand zwischen Verbindungspunkt und Anlagebereich des in Drehrichtung des Drehgestells hinteren Federarms.In this case, preferably, the distance between the connection point and contact area of the front in the direction of rotation of the bogie spring arm is greater than the distance between the connection point and contact area of the rear in the direction of rotation of the bogie spring arm.

Damit sich die Doppelarmfeder mit den Anlagebereichen ihrer Federarme immer den Stellen anpassen kann, auf die die Anlagebereiche der Federarme zur Auflage gelangen, ist vorzugsweise die Doppelarmfeder im Bereich ihres Verbindungspunkts um eine zur Drehachse des Drehgestells parallele Gelenkachse an einem Schwenkhebel frei schwenkbar angelenkt, wobei der Schwenkhebel um eine ebenfalls zur Drehachse parallele Achse die Doppelarmfeder zwischen ihrer Normallage und ihrer Blockierlage bewegend schwenkbar betätigbar ist.Thus, the Doppelarmfeder with the contact areas of their spring arms can always adapt to the bodies to which the contact areas of the spring arms come to rest, preferably the Doppelarmfeder is articulated freely pivotable in the region of its connection point about a pivot axis of the bogie hinge axis on a pivot lever, wherein the Pivoting lever about a likewise parallel to the rotation axis Axis, the double arm spring between its normal position and its blocking position is pivotally operable.

Da bei den verschiedenen möglichen Stellungen der Doppelarmfeder zur Unruh und zu den Pfeilern des Käfigs die Gelenkachse von der Schwenkachse der Unruh unterschiedlich weit entfernt ist, kann zur Erreichung eines immer gleichen Schwenkwinkels des Schwenkhebels dieser ein in seinem Bereich zwischen der Achse und der Gelenkachse etwa radial zur Unruh federnder Anlagehebel sein.Since in the various possible positions of the Doppelarmfeder to balance and to the pillars of the cage, the hinge axis of the pivot axis of the balance is far different, to achieve an always same pivot angle of the pivot lever this one in its area between the axis and the hinge axis approximately radially be to balance spring-resilient investment lever.

Zur Schwenkbetätigung des Schwenkhebels ist der Schwenkhebel vorzugsweise ein zweiarmiger Hebel, dessen einer Arm ein sich zwischen der Achse und der Gelenkachse erstreckender Anlagehebel und dessen anderer Arm ein sich von der Achse weg erstreckender, schwenkbar beaufschlagbarer Betätigungsarm ist.For pivotal actuation of the pivot lever of the pivot lever is preferably a two-armed lever, one arm of which is a extending between the axis and the hinge axis bearing lever and the other arm is a away from the axis extending, pivotally acted upon actuating arm.

Ist dabei der Betätigungsarm in Schwenkrichtung des Schwenkhebels aus der Normallage in die Blockierlage federnd ausgebildet, so wird die Ausgleichsmöglichkeit der unterschiedlichen Entfernungen von Gelenkachse und Schwenkachse der Unruh noch vergrößert.If the actuating arm in the pivoting direction of the pivoting lever from the normal position in the blocking position is resiliently formed, the compensation possibility of the different distances of hinge axis and pivot axis of the balance is still increased.

Dazu ist in einfacher Ausbildung der Betätigungsarm etwa U-förmig ausgebildet und erstreckt sich mit seinen beiden Schenkeln des U etwa von dem Bereich der Achse weg sowie ist von einem in die Öffnung des U eingreifenden Betätigungselement schwenkbar antreibbar, wobei der in Schwenkrichtung von der Normallage in die Blockierlage vordere Schenkel des U in Schwenkrichtung federnd ausgebildet ist.For this purpose, the actuating arm is approximately U-shaped in a simple construction and extends with its two legs of the U away from the region of the axis and is pivotally driven by an engaging in the opening of the U actuator, wherein the front in the pivoting direction of the normal position in the blocking position leg of the U is designed to be resilient in the pivoting direction.

Der Schwenkhebel kann von einer zwischen einer Normalposition und einer Stellposition axial verschiebbaren Stellwelle der Stelleinrichtung schwenkbar antreibbar sein. Damit wird gleichzeitig mit dem Bewegen der Stellwelle in ihre Stellposition zum Verstellen der Zeiger die Unruh arretiert.The pivoting lever can be driven in a pivotable manner by a setting shaft of the adjusting device which can be axially displaced between a normal position and a setting position. Thus, the balance is locked simultaneously with the movement of the control shaft in their parking position for adjusting the hands.

Vorzugsweise wird dabei der Schwenkhebel über ein doppelarmiges, um eine Schwenkachse schwenkbares Schwenkelement von der Stellwelle schwenkbar angetrieben.Preferably, the pivot lever is pivotally driven by a double-arm, pivotable about a pivot axis pivoting element of the actuating shaft.

Zur Einstellung eines Minutenzeigers kann die Stellwelle drehbar betätigbar sein.To set a minute hand, the control shaft can be rotatably actuated.

Weiterhin kann die Stellwelle in ihrer Normalposition gleichzeitig als Aufzugswelle dienen.Furthermore, the control shaft in its normal position can simultaneously serve as an elevator shaft.

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

Figur 1
eine perspektivische Ansicht eines Tourbillons
Figur 2
eine Draufsicht des Tourbillons nach Figur 1
Figur 3
eine Rückansicht des Tourbillons nach Figur 1
Figur 4
eine Draufsicht auf Unruh, Schwenkhebel und Doppelfederarm des Tourbillons nach Figur 1 in einer ersten Blockierstellung
Figur 5
eine Draufsicht auf Unruh, Schwenkhebel und Doppelarmfeder des Tourbillons nach Figur 2 in einer zweiten Blockierlage
Figur 6
eine Draufsicht auf Unruh, Schwenkhebel und Doppelarmfeder des Tourbillons nach Figur 1 in einer dritten Blockierlage
Figur 7
eine Draufsicht auf Unruh, Schwenkhebel und Doppelarmfeder des Tourbillons nach Figur 1 in einer vierten Blockierlage.
An embodiment of the invention is illustrated in the drawing and will be described in more detail below. Show it
FIG. 1
a perspective view of a tourbillon
FIG. 2
a top view of the tourbillon of Figure 1
FIG. 3
a rear view of the tourbillon of Figure 1
FIG. 4
a plan view of balance, pivot lever and double spring arm of the tourbillon of Figure 1 in a first blocking position
FIG. 5
a plan view of balance, pivot lever and double spring of the tourbillon of Figure 2 in a second blocking position
FIG. 6
a plan view of balance, pivot lever and double arm of the tourbillon of Figure 1 in a third blocking position
FIG. 7
a plan view of balance, pivot lever and double spring of the tourbillon of Figure 1 in a fourth blocking position.

Das in den Figuren dargestellte Tourbillon besitzt eine Grundplatine 1 mit drei radial nach außen gerichteten Armen 2, auf deren freien Enden senkrecht Pfeile 3 angeordnet sind, die an ihrem oberen Ende durch eine Brücke 4 zu einem korbartigen Käfig 5 miteinander verbunden sind. Mittig ist in dem Käfig 5 eine kreisförmige Unruh 6 auf einer Unruhwelle angeordnet, die mit ihrem einen Ende an der Grundplatine 1 und mit ihrem anderen Ende an der Brücke 4 gelagert ist, so daß die Unruh 6 um eine Schwenkachse 7 schwenkbar ist. Die Unruhwelle ist von einer Unruhspirale 10 umschlossen.The tourbillon shown in the figures has a motherboard 1 with three radially outwardly directed arms 2, on the free ends perpendicular arrows 3 are arranged, which are connected at their upper end by a bridge 4 to a basket-like cage 5 together. In the middle of the cage 5 a circular balance 6 is arranged on a balance shaft, which is mounted with its one end to the motherboard 1 and with its other end to the bridge 4, so that the balance 6 is pivotable about a pivot axis 7. The balance wave is surrounded by a balance spring 10.

Die Unruh besitzt einen Unruhring 11, der über Unruhschenkel 12 mit der Nabe 13 der Unruh 6 verbunden ist, die wiederum auf der Unruhwelle angeordnet ist. Der Unruhring 11 besitzt Unruhschrauben 14, die mit ihren Schraubenköpfen radial nach außen von dem Unruhring 11 hervorstehen.The balance has a ratchet 11, which is connected via balance legs 12 with the hub 13 of the balance 6, which in turn is arranged on the balance shaft. The ruff ring 11 has balance screws 14, which protrude with their screw heads radially outward from the rash ring 11.

Auf der Grundplatine 1 ist weiterhin eine Hemmung angeordnet, die aus einem Anker 8 und einem Ankerrad 9 besteht, wobei der Anker 8 mit der Unruh zusammenwirkt.On the motherboard 1, an escapement is further arranged, which consists of an armature 8 and an escape wheel 9, wherein the armature 8 cooperates with the balance.

Die Pfeiler 3 sind radial außerhalb der radial umlaufenden Kontur 15 von Unruhring 11 und Unruhschrauben 14 angeordnet, so daß der Käfig 5 die Unruh 6 korbartig umschließt.The pillars 3 are arranged radially outside the radially circumferential contour 15 of the rattle ring 11 and balance screws 14 so that the cage 5 encloses the balance wheel 6 in the manner of a basket.

Das aus Grundplatine 1 und Käfig gebildete Drehgestell ist um eine zur Schwenkachse der Unruh 6 koaxiale Drehachse 7 mit einer Umdrehung pro Minute drehbar antreibbar.The bogie formed from motherboard 1 and cage is rotatably driven about a pivot axis of the balance 6 coaxial axis of rotation 7 with one revolution per minute.

Radial außerhalb von Unruh 6 und Käfig 5 ist ein Schwenkhebel 16 um eine zur Drehachse 7 parallele Achse 17 schwenkbar gelagert. Der Schwenkhebel 16 ist ein zweiarmiger Hebel, dessen einer Hebelarm ein etwa radial zur Unruh 6 federnder Anlagehebel 18 und dessen anderer Hebelarm ein Betätigungsarm 19 ist. Der Betätigungsarm 19 ist etwa U-förmig ausgebildet, wobei sich die beiden Schenkel 20 und 21 des U etwa von dem Bereich der Achse 17 wegerstrecken. In die Öffnung 22 des U greift ein Hebelstift 23 ein, der an dem Ende des einen Hebelarms 24 eines zweiarmigen Schwenkelements 25 angeordnet ist. An dem Ende des anderen Hebelarms 26 des um eine Schwenkachse 27 schwenkbaren Schwenkelements 25 greift eine manuell betätigbare Stellwelle 28 einer Stelleinrichtung an, die aus einer Normalposition in eine Stellposition verschiebbar ist und durch deren Verschiebung das Schwenkelement 25 und damit auch der Schwenkhebel 16 verschwenkbar ist.Radially outside of balance 6 and cage 5, a pivot lever 16 is pivotally mounted about an axis 17 parallel to the axis of rotation 7. The pivot lever 16 is a two-armed lever, one lever arm is an approximately radially to the balance 6 resilient contact lever 18 and the other lever arm is an actuating arm 19. The actuating arm 19 is approximately U-shaped, with the two legs 20 and 21 of the U extending away from the region of the axis 17 approximately. In the opening 22 of the U engages a lever pin 23, which is arranged at the end of a lever arm 24 of a two-armed pivot member 25. At the end of the other lever arm 26 of pivotable about a pivot axis 27 pivot member 25 engages a manually operable actuating shaft 28 of an actuating device which can be displaced from a normal position to a setting position is and by the displacement of the pivot member 25 and thus the pivot lever 16 is pivotable.

Die Stellwelle 28 dient in ihrer Normalposition als Aufzugswelle der Uhr. Durch Verschiebung aus der Normalposition in Richtung von ihrem mit einem Vierkant 29 versehenen Ende weg in die dargestellte Stellposition beaufschlagt der Hebelstift 23 des von der Stellwelle 28 geschwenkten Schwenkelements 25 den in seiner Schwenkrichtung federnd ausgebildeteten Schenkel 20 des Betätigungsarms 19 des Schwenkhebels 16. Dadurch schwenkt der Anlagehebel 18 des Schwenkhebels 16 mit seinem freien Ende zur Unruhe 6 hin. An dem freien Ende des Anlagehebels 18 ist um eine zur Drehachse 7 parallele Gelenkachse 30 eine Doppelarmfeder 31 frei schwenkbar angelenkt, die aus ihrer in Normallage außerhalb der umlaufenden Bewegungsbahn 32 der Pfeiler befindlichen Position von dem Anlagehebel 18 in ihre Blockierlage verschwenkt wird. In der dargestellten Blockierlage gelangt zumindest einer der beiden Federarme 33 und 34 mit seinem Anlagebereich 35 und 36 seiner freien Endbereiche an der radial umlaufenden Kontur der Unruh 6 zur Anlage und blockiert deren Schwenkbewegung.The control shaft 28 serves in its normal position as the elevator shaft of the clock. By displacement from the normal position in the direction of its provided with a square end 29 away in the illustrated parking position of the lever pin 23 of the swiveled from the actuating shaft 28 pivot member 25 acts in its pivoting direction resiliently formed legs 20 of the actuating arm 19 of the pivot lever 16. This pivots the Investment lever 18 of the pivot lever 16 with its free end to rest 6. At the free end of the contact lever 18 is about a parallel to the axis of rotation 7 hinge axis 30 a Doppelarmfeder 31 pivoted freely pivoted from its located in the normal position outside the circumferential path of movement 32 of the pillar position of the bearing lever 18 in its blocking position. In the illustrated blocking position, at least one of the two spring arms 33 and 34, with its contact region 35 and 36 of its free end regions, comes into contact with the radially encircling contour of the balance 6 and blocks its pivotal movement.

Der Federarm 33 der V-förmigen Doppelarmfeder 31 erstreckt sich entgegen und der Federarm 34 in Drehrichtung 37 des Käfigs 5. An dem Verbindungspunkt der beiden Federarme 33 und 34 ist die Doppelarmfeder 31 an dem Anlegehebel 18 angelenkt.The spring arm 33 of the V-shaped double-arm spring 31 extends counter and the spring arm 34 in the direction of rotation 37 of the cage 5. At the connection point the two spring arms 33 and 34, the double arm 31 is hinged to the Anlegehebel 18.

Der Abstand zwischen der Gelenkachse 30 und dem Anlagebereich 35 des Federarms 34 ist größer als der Abstand zwischen der Gelenkachse 30 und dem Anlagepunkt 36 des Federarms 33.The distance between the hinge axis 30 and the contact region 35 of the spring arm 34 is greater than the distance between the hinge axis 30 and the contact point 36 of the spring arm 33rd

Auch in der Blockierlage verbleibt die Gelenkachse 30 außerhalb der umlaufenden Bewegungsbahn 32, so daß die Doppelarmfeder 31 einen Pfeiler 3 übergreifen kann (Figur 5).Even in the blocking position, the hinge axis 30 remains outside the circumferential path of movement 32, so that the double-armed spring 31 can overlap a pillar 3 (Figure 5).

Die freien Enden 38 und 39 der Federarme 33 und 34 erstrecken sich von ihren Anlagebereichen 35 und 36 aus rampenartig von der Unruh 6 weg, wobei das freie Ende 38 des in Drehrichtung 37 hinteren Federarms 33 sich in der Blockierlage bis radial außerhalb der umlaufenden Bewegungsbahn 32 der Pfeiler 3 erstreckt.The free ends 38 and 39 of the spring arms 33 and 34 extend from their abutment portions 35 and 36 of ramp-like away from the balance 6, wherein the free end 38 of the rear in the direction of rotation 37 spring arm 33 in the blocking position to radially outside the circumferential path of movement 32nd the pillar 3 extends.

Die freien Enden 38 und 39 der Federarme 33 und 34 besitzen einen Abstand zueinander, der kleiner ist als der Abstand zwischen zwei Pfeilern 3.The free ends 38 and 39 of the spring arms 33 and 34 have a distance from one another which is smaller than the distance between two pillars third

In den Figuren 4 bis 7 sind die verschiedenen Möglichkeiten des Federarms 31 in seiner Blockierlage dargestellt.In Figures 4 to 7, the various possibilities of the spring arm 31 are shown in its blocking position.

Figur 4 zeigt die Doppelarmfeder 31, deren beide Federarme 33 und 34 zwischen zwei Pfeilern 3 an der Unruh 6 in Anlage sind.FIG. 4 shows the double-arm spring 31, whose two spring arms 33 and 34 are in contact with the balance 6 between two pillars 3.

In Figur 5 übergreift die Doppelarmfeder 31 einen Pfeiler 3 und liegt zu jeder Seite des Pfeilers 3 mit einem Federarm 33 und 34 an der Unruh 6 an.In FIG. 5, the double-arm spring 31 engages over a pillar 3 and abuts on each side of the pillar 3 with a spring arm 33 and 34 on the balance 6.

In Figur 6 liegt der Federarm 33 auf einem Pfeiler 3 auf und nur der Federarm 34 ist an der Unruh 6 in Anlage, während in Figur 7 der Federarm 34 auf einem Pfeiler 3 aufliegt und der Federarm 33 an der Unruh in Anlage ist.In Figure 6, the spring arm 33 rests on a pillar 3 and only the spring arm 34 is on the balance 6 in Appendix, while in Figure 7, the spring arm 34 rests on a pillar 3 and the spring arm 33 is in balance on the balance.

Wie diese Figuren 4 bis 7 zeigen, erfolgt unabhängig von der Lage des Käfigs 5 immer in Blockierlage der Doppelarmfeder 31 eine Blockade der Unruh 6.As these figures 4 to 7 show, regardless of the position of the cage 5 is always in the blocking position of the double arm 31, a blockage of the balance 6th

Ist durch die Stellwelle 28 eine Zeigereinstellung erfolgt, wird die Stellwelle manuell in der Zeichnung nach unten verschoben, wodurch der Hebelstift 23 den biegesteifen Schenkel 21 des Betätigungsarms 19 beaufschlagt und dadurch den Schwenkhebel 16 mit seinem Anlagehebel 18 und der Doppelarmfeder 31 außerhalb der Bewegungsbahn 32 der Pfeiler 3 bewegt. Is a setting adjustment by the adjusting shaft 28, the actuating shaft is manually moved downward in the drawing, whereby the lever pin 23 is applied to the rigid leg 21 of the actuating arm 19 and thereby the pivot lever 16 with its contact lever 18 and the double arm 31 outside the movement path 32 of Pillar 3 moves.

Claims (15)

  1. Timepiece, having a setting device for setting the hands of the timepiece and having a tourbillon which has a circular balance wheel (6), which can be pivoted about a pivot pin, and an escapement comprising a pallet (8) and escape wheel (9), it being the case that the balance wheel and the escapement are arranged on a base plate (1) and a balance staff of the balance wheel is mounted in a rotatable manner, by way of one end, on the base plate and, by way of its other end, on a cage (5) which encloses the balance wheel and escapement in a basket-like manner and which has, outside the radially circulating periphery of the balance wheel, a plurality of pillars (3) spaced apart from one another on the base plate and forms, together with the base plate, a rotary mount which is fixed to the seconds drive of the timepiece and can be driven in a rotatable manner, by means of said drive, about a swivel pin (7) which is coaxial with the pivot pin, characterized in that a stop device can be actuated by the setting device and the pivoting movement of the balance wheel (6) can be blocked by the stop device, it being the case that the stop device has an approximately V-shaped or U-shaped double-arm spring (31) which can be moved out of a normal position, radially outside the circulating movement path (32) of the pillars (3), into a blocking position, in which it can be positioned resiliently against the radially circulating contour of the balance wheel (6) by way of abutment regions (35, 36) at the free end regions of its two spring arms, which are directed in and counter to the circulating direction of the contour of the balance wheel (6).
  2. Timepiece according to Claim 1, characterized in that those end regions of the spring arms (33, 34) of the double-arm spring (31) which act on the balance wheel (6) are spaced apart from one another, in the radially encircling direction in respect of the balance wheel (6), by a distance which is smaller than the smallest distance between the pillars (3).
  3. Timepiece according to one of the preceding claims, characterized in that the point of connection between the two spring arms (33, 34) of the double-arm spring (31), with the double-arm spring (31) located in the blocking position, is outside the circulating movement path (32) of the pillars (3).
  4. Timepiece according to one of the preceding claims, characterized in that the free ends of the spring arms (33, 34) of the double-arm spring (31) extend away from the balance wheel (6) in an approximately ramp-like manner from their abutment regions (35, 36) against the balance wheel (6).
  5. Timepiece according to Claim 4, characterized in that the free end (38) of the rear spring arm (33), as seen in the direction of rotation (37) of the rotary mount, extends, in the blocking position of the double-arm spring (31), to a point radially outside the circulating movement path (32) of the pillars (3).
  6. Timepiece according to one of the preceding claims, characterized in that the distances between the point of connection and the abutment regions (35, 36) of the two spring arms (33, 34) are different.
  7. Timepiece according to Claim 6, characterized in that the distance between the point of connection and abutment region (36) of the front spring arm (34), as seen in the direction of rotation (37) of the rotary mount, is larger than the distance between the point of connection and abutment region (35) of the rear spring arm (33), as seen in the direction of rotation (37) of the rotary mount.
  8. Timepiece according to one of the preceding claims, characterized in that the double-arm spring (31), in the region of its point of connection, is articulated on a pivot lever (16) such that it can be pivoted freely about an articulation pin (30) which is parallel to the swivel pin (7) of the rotary mount, it being possible for the pivot lever (16) to be actuated in a pivotable manner about a pin (17) likewise parallel to the swivel pin (7), the double-arm spring (31) moving between its normal position and its blocking position.
  9. Timepiece according to Claim 8, characterized in that the pivot lever (16) is an abutment lever (18) which, in its region between the pin (17) and the articulation pin (30), is resilient approximately in the radial direction in relation to the balance wheel (6).
  10. Timepiece according to either of Claims 8 and 9, characterized in that the pivot lever (16) is a two-armed lever, of which one arm is an abutment lever (18), which extends between the pin (17) and the articulation pin (30), and the other arm is an actuating arm (19), which extends away from the pin (17) and can be subjected to pivoting action.
  11. Timepiece according to Claim 10, characterized in that the actuating arm (19) is of resilient design in the pivoting direction of the pivot lever (16) from the normal position into the blocking position.
  12. Timepiece according to Claim 11, characterized in that the actuating arm (19) is of approximately U-shaped design and has its two legs (20, 21) of the U extending away approximately from the region of the pin (17) and can be driven in a pivotable manner by an actuating element which engages in the opening (22) of the U, the leg (20) of the U, which is at the front as seen in the pivoting direction from the normal position into the blocking position, being of resilient design in the pivoting direction.
  13. Timepiece according to one of Claims 8 to 12, characterized in that the pivot lever (16) can be driven in a pivotable manner by a setting stem (28) of the setting device, it being possible for said setting stem to be displaced axially between a normal position and a setting position.
  14. Timepiece according to Claim 13, characterized in that the pivot lever (16) can be driven in a pivotable manner by the setting stem (28), via a double-armed pivoting element (25) which can be pivoted about a pivot pin (27).
  15. Timepiece according to either of Claims 13 and 14, characterized in that the setting stem (28) can be actuated in a rotatable manner for the purpose of setting a minute hand.
EP02804189A 2001-12-07 2002-11-22 Tourbillon Expired - Lifetime EP1451647B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10160287 2001-12-07
DE10160287A DE10160287A1 (en) 2001-12-07 2001-12-07 Tourbillon
PCT/EP2002/013107 WO2003048871A2 (en) 2001-12-07 2002-11-22 Tourbillon

Publications (2)

Publication Number Publication Date
EP1451647A2 EP1451647A2 (en) 2004-09-01
EP1451647B1 true EP1451647B1 (en) 2008-01-02

Family

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EP02804189A Expired - Lifetime EP1451647B1 (en) 2001-12-07 2002-11-22 Tourbillon

Country Status (6)

Country Link
US (1) US6846104B2 (en)
EP (1) EP1451647B1 (en)
JP (1) JP4126015B2 (en)
AT (1) ATE382883T1 (en)
DE (2) DE10160287A1 (en)
WO (1) WO2003048871A2 (en)

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Also Published As

Publication number Publication date
WO2003048871A2 (en) 2003-06-12
JP4126015B2 (en) 2008-07-30
DE50211483D1 (en) 2008-02-14
EP1451647A2 (en) 2004-09-01
DE10160287A1 (en) 2003-06-26
JP2005512065A (en) 2005-04-28
ATE382883T1 (en) 2008-01-15
US20040062149A1 (en) 2004-04-01
US6846104B2 (en) 2005-01-25
WO2003048871A3 (en) 2003-09-18

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