EP1584997B1 - Chronograph - Google Patents

Chronograph Download PDF

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Publication number
EP1584997B1
EP1584997B1 EP05002644A EP05002644A EP1584997B1 EP 1584997 B1 EP1584997 B1 EP 1584997B1 EP 05002644 A EP05002644 A EP 05002644A EP 05002644 A EP05002644 A EP 05002644A EP 1584997 B1 EP1584997 B1 EP 1584997B1
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EP
European Patent Office
Prior art keywords
minute
maximum indicator
chronograph
wheel
hand
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EP05002644A
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German (de)
French (fr)
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EP1584997A3 (en
EP1584997A2 (en
Inventor
Tino Bobe
Jens Schneider
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Lange Uhren GmbH
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Lange Uhren GmbH
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Publication of EP1584997A3 publication Critical patent/EP1584997A3/en
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    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F7/00Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0866Special arrangements
    • G04F7/0876Split-time function, e.g. rattrappante

Definitions

  • the invention relates to a chronograph with a movement of which a minute chronograph hand and a number in particular of thirty steps per revolution, a minute chronograph hand are rotatably driven, with a control device for stopping the second chronograph hand and the minute chronograph hand and for starting a drag indicator mechanism of a second towing hand and a Minute towing hand, which has a trigger element for starting and stopping the second towing hand and a minute towing hand.
  • a chronograph of the type mentioned is from the DE 101 35 110 A1 known.
  • a chronograph of the type mentioned above with only one lever for locking the minutes towing is from the CH 7 411 A known.
  • a stopwatch with a movement of which a second hand and in a number of steps per revolution a minute hand are rotatably driven.
  • a control device for stopping the second hand and the minute hand and for starting a drag indicator mechanism of a second towing hand and a minute towing hand having a trigger element for starting and stopping the second towing hand and the minute towing hand, wherein the drag indicator mechanism is a common trigger element for the second toes and the minutes towing has.
  • a brake lever can be applied on one side on the circumference of a minute trailing pointer wheel and can be triggered, wherein a minute trailing pointer pin of a minute trailing pointer is connected to the minute trailing pointer wheel.
  • the object of the invention is therefore to provide a chronograph of the type mentioned, which has a few simple components, requires a small space and has a high reliability.
  • the drag indicator mechanism has a common triggering element for the second toes and the minute toe pointer, of which a catch in a recess of evenly distributed on the circumference of a minutes Schlepp accorderrad arranged latching recesses latched and disengaged controlled, with the minutes towing pointer a perennialschlepp Serviceerrad a minute towing hand is connected and the number of recesses corresponds to the number of steps of the minute chronograph hand per revolution.
  • the common trigger element for the second toe and the minute toe pointer ensures that the start and stop of the second toe and minute toe hands occur simultaneously.
  • the minute-hand pointer wheel can be coupled via a minute-hand pointer-type heart lever with a minute-hand pointer heart, which is non-rotatably connected to a hand axis of the minute chronograph hand.
  • the minute-hand pointer heart lever can be brought out of engagement with the minute-hand pointer by means of a disengaging device that can be actuated by the triggering element.
  • the uncoupler a coaxial with the minutes towing wheel rotatably arranged isolator and about an axis parallel to the axis of rotation insulator about a certain pivot angle between a disengaged position and a Einkuppel ein pivotally driven isolator lever, is rotatably driven by the isolator to a certain angle through which the isolator about a certain rotation angle can be driven in rotation, wherein the isolator has a stop by which the minutes towing heart lever can be uncoupled from the minutes Schlepp Attacherherz decoupled, the decoupling device has a compact design with simple components and is easily operable.
  • the isolator wheel can be safely driven by the isolator lever with a radially encircling toothing, in particular a saw toothing and the isolator lever may be provided with a corresponding counter-toothing, which engages in the coupling position in the toothing of the isolator wheel.
  • the uncoupling device is actuated by a control lever which is pivotally drivable by the trigger element from a Einkuppelgna in a uncoupled against a spring force about a control lever axis, wherein the isolator lever is pivotally acted upon by the control lever against the spring force.
  • control lever may have a stop by which the catch is acted upon in the engagement position of the control lever from the latching recess disengaged.
  • control lever In its uncoupling position, the control lever in its coupling position on a stop, in particular a stop eccentric in Appendix.
  • the common triggering element is a column wheel rotatably drivable with columns distributed uniformly radially around the circumference, a simple and reliable drive of both the second towing hand and the minute towing hand is achieved.
  • control lever of the columns from its coupling position in its uncoupling be pivotally driven.
  • the column wheel is preferably formed with uniformly distributed radially circumferentially arranged switching teeth twice the number of Ko-Ionnen over which the column wheel is rotatably driven, to secure the positions of the column wheel, a detent spring can be resiliently latched into the tooth spaces between the shift teeth.
  • the illustrated part of the toe pointer mechanism shows a column wheel 1 rotatably actuated by a pusher, not shown, with eight axially projecting, uniformly distributed columns 2 and sixteen uniformly distributed on the circumference arranged switching teeth 3.
  • a notch In one of the tooth gaps 4 between the shift teeth 3 is a notch. 5 a detent spring 6 locked resiliently.
  • control lever is 9 with a stop arm 11 on a stopper cam 12 and is replaced by a arranged in one piece on the control lever 9, supported on a pin 13 spring arm 14 spring-loaded against the stopper eccentric 12.
  • the control lever 9 further comprises an actuating arm 15, at the free end portion of which there is a stop 16, by means of which a spring arm 17, which is fixedly arranged at one end, can be acted upon in a deflectable manner, which carries a catch 18 at its free end.
  • the control lever 9 has on its actuating arm 15 further comprises an extension 19, by the pivoting of the control lever 9 from its uncoupling in its Einkuppel ein a parallel to the control lever axis 8 isolator axis 20 pivotable isolator lever 21 against the force of a spring 22 from its Einkuppelgna ( FIG. 1 ) in its disengaging position ( FIG. 2 ) is pivotally acted upon.
  • the isolator lever 21 has on a to the insulator axis 20 radially spaced area three teeth of a counter toothing 23, which engage when pivoting the isolator lever 21 from the uncoupling in the Einkuppel ein in a radially encircling saw teeth 24 of a Isolatorrades 25 and rotate it by a certain angle of rotation counterclockwise ,
  • the isolator wheel 25 is rotatably mounted about a rotation axis 26 parallel to the control lever axis 8 and carries a stop 27, by which a minute-hand lever 28 can be pivotally acted upon rotation of the isolator wheel 25 about an axis 26 parallel to the axis of rotation 26.
  • the minute-hand lever heart lever 28 is pivotally mounted with its one end about the axis 29 on a minute trailing wheel 30, which is also rotatably mounted about the axis of rotation 26, and acted with its other end portion, the radially encircling heart cam 31 of a minute trailing hand heart 32nd
  • This minute Schlepp accorderherz 32 is also rotatable about the rotation axis 26 and fixedly connected to a minute counter wheel of a chronograph, not shown, which carries the pointer axis of a minute chronograph hand.
  • the minute-hand pointer-heart lever 28 is acted upon against the heart cam 31 of the minute-hand pointer-heart 32.
  • the minutes Schlepp accorderrad 30 has at its radially circumferential extent evenly distributed thirty recesses 34 corresponding in shape to the shape of the catch 18 and in which the catch 18 can be latched.
  • the chronograph has a second chronograph hand, not shown, and a minute chronograph hand, wherein the minute hand chronograph hand is rotatably drivable in thirty steps per revolution.
  • the second chronograph hand is assigned a second-hand pointer and the minute-hand chronograph hand is assigned to the minute-hand pointer, which can also be indexed in thirty steps per revolution.
  • the trailing pointer mechanism of both trailing hands has the column wheel 1 as a common triggering element.
  • the column wheel 1 is further rotated by a pitch of the toothed teeth 3. This results in a ramp-like lifting of the finger 7 from the gap between two columns 2 and resting on the peripheral outer surface of a column 2.
  • the control lever 9 is pivoted clockwise, which pivots about the stop 16 of the spring arm 17 and its catch 18 from the catch recess 34 is lifted out.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Description

Die Erfindung bezieht sich auf einen Chronograph mit einem Uhrwerk, von dem ein Sekundenchronographenzeiger und in einer Anzahl insbesondere von dreißig Schritten pro Umdrehung ein Minutenchronographenzeiger drehbar antreibbar sind, mit einer Steuervorrichtung zum Stoppen des Sekundenchronographenzeigers und des Minutenchronographenzeigers sowie zum Ingangsetzen eines Schleppzeigermechanismus eines Sekundenschleppzeigers und eines Minutenschleppzeigers, der ein Auslöseelement zum Starten und zum Stoppen des Sekundenschleppzeigers und eines Minutenschleppzeigers aufweist.The invention relates to a chronograph with a movement of which a minute chronograph hand and a number in particular of thirty steps per revolution, a minute chronograph hand are rotatably driven, with a control device for stopping the second chronograph hand and the minute chronograph hand and for starting a drag indicator mechanism of a second towing hand and a Minute towing hand, which has a trigger element for starting and stopping the second towing hand and a minute towing hand.

Bei derartigen Chronographen ist es zum Arretieren des Minutenschleppzeigers bekannt ein mit einer feinen Verzahnung versehenes Rad des Minutenschleppzeigermechanismus zwischen zwei beidseitig wirkenden Zangen einzuklemmen. Diese Ausbildung erfordert viele Bauteile und benötigt einen großen Bauraum.In such chronographs, it is known for locking the minute towing hand a pinion provided with a wheel of the minute towing mechanism between two double-acting pliers. This training requires many components and requires a large amount of space.

Ein Chronograph der eingangs genannten Art ist aus der DE 101 35 110 A1 bekannt.A chronograph of the type mentioned is from the DE 101 35 110 A1 known.

Ein Chronograph der eingangs genannten Art mit nur einem Hebel zum Arretieren des Minutenschleppzeigers ist aus der CH 7 411 A bekannt.A chronograph of the type mentioned above with only one lever for locking the minutes towing is from the CH 7 411 A known.

Aus der DE 1 003 141 B ist weiterhin eine Stoppuhr mit einem Uhrwerk bekannt, von dem ein Sekundenzeiger und in einer Anzahl Schritten pro Umdrehung ein Minutenzeiger drehbar antreibbar sind. Weiterhin ist eine Steuervorrichtung zum Stoppen des Sekundenzeigers und des Minutenzeigers sowie zum Ingangsetzen eines Schleppzeigermechanismus eines Sekundenschleppzeigers und eines Minutenschleppzeigers bekannt, der ein Auslöseelement zum Starten und zum Stoppen des Sekundenschleppzeigers und des Minutenschleppzeigers aufweist, wobei der Schleppzeigermechanismus ein gemeinsames Auslöseelement für den Sekundenschleppzeiger und den Minutenschleppzeiger besitzt. Von diesem ist ein Bremshebel einseitig an dem Umfang eines Minutenschleppzeigerrades anlegbar und ablegbar ansteuerbar, wobei mit dem Minutenschleppzeigerrad ein Minutenschleppzeigerzapfen eines Minutenschleppzeigers verbunden ist.From the DE 1 003 141 B Furthermore, a stopwatch with a movement is known, of which a second hand and in a number of steps per revolution a minute hand are rotatably driven. Furthermore, a control device for stopping the second hand and the minute hand and for starting a drag indicator mechanism of a second towing hand and a minute towing hand is known, having a trigger element for starting and stopping the second towing hand and the minute towing hand, wherein the drag indicator mechanism is a common trigger element for the second toes and the minutes towing has. From this, a brake lever can be applied on one side on the circumference of a minute trailing pointer wheel and can be triggered, wherein a minute trailing pointer pin of a minute trailing pointer is connected to the minute trailing pointer wheel.

Aufgabe der Erfindung ist es daher einen Chronograph der eingangs genannten Art zu schaffen, der wenige einfache Bauteile aufweiset, einen geringen Bauraum benötigt und eine hohe Funktionssicherheit besitzt.The object of the invention is therefore to provide a chronograph of the type mentioned, which has a few simple components, requires a small space and has a high reliability.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Schleppzeigermechanismus ein gemeinsames Auslöseelement für den Sekundenschleppzeiger und den Minutenschleppzeiger aufweist, von dem eine Raste in eine Rastausnehmung von an dem Umfang eines Minutenschleppzeigerrads gleichmäßig verteilt angeordneten Rastausnehmungen einrastbar und ausrastbar ansteuerbar ist, wobei mit dem Minutenschleppzeigerrad ein Minutenschleppzeigerrohr eines Minutenschleppzeigers verbunden ist und die Anzahl der Rastausnehmungen der Anzahl der Schritte des Minutenchronographenzeigers pro Umdrehung entspricht.This object is achieved in that the drag indicator mechanism has a common triggering element for the second toes and the minute toe pointer, of which a catch in a recess of evenly distributed on the circumference of a minutes Schleppzeigerrad arranged latching recesses latched and disengaged controlled, with the minutes towing pointer a Minutenschleppzeigerrad a minute towing hand is connected and the number of recesses corresponds to the number of steps of the minute chronograph hand per revolution.

Das gemeinsame Auslöseelement für den Sekundenschleppzeiger und den Minutenschleppzeiger stellt sicher, daß das Starten und Stoppen von Sekundenschleppzeiger und Minutenschleppzeiger gleichzeitig erfolgt.The common trigger element for the second toe and the minute toe pointer ensures that the start and stop of the second toe and minute toe hands occur simultaneously.

Durch die in die Rastausnehmungen einrastende Raste wird nicht nur das Minutenschleppzeigerrad arretiert sondern gleichzeitig exakt in seiner Minutenposition ausgerichtet, so daß auch ein korrektes Ablesen der festgehaltenen Zwischenzeit gewährleistet ist.By latching in the recesses detent not only the minutes trailing wheel is locked but at the same time aligned exactly in its minute position, so that a correct reading of the recorded intermediate time is guaranteed.

Die wenigen erforderlichen Bauteile führen sowohl zu einer Funktionssicherheit als auch zu einem geringen Bauraumbedarf.The few required components lead both to a functional safety and to a small space requirement.

Zur einfachen Synchronisation des Minutenschleppzeigers mit dem Minutenchronographenzeiger kann das Minutenschleppzeigerrad über einen Minutenschleppzeiger-Herzhebel mit einem Minutenschleppzeigerherz kuppelbar sein, das drehfest mit einer Zeigerachse des Minutenchronographenzeigers verbunden ist.For easy synchronization of the minute-hand pointer with the minute chronograph hand, the minute-hand pointer wheel can be coupled via a minute-hand pointer-type heart lever with a minute-hand pointer heart, which is non-rotatably connected to a hand axis of the minute chronograph hand.

Dabei wird eine besonders kompakte Ausbildung erreicht, wenn das Minutenschleppzeigerherz mit einem die Zeigerachse des Minutenchronographenzeigers tragenden Minutenzählerrad fest verbunden ist.In this case, a particularly compact design is achieved when the minutes towing hand heart is firmly connected to a minute counter wheel carrying the pointer axis of the minute chronograph hand.

Besonders bauraumsparend ist es, wenn das Minutenschleppzeigerrad und das Minutenschleppzeigerherz um eine gemeinsame Drehachse drehbar angeordnet sind.Particularly space-saving, it is when the minutes towing and the minutes Schleppzeigerherz are arranged rotatably about a common axis of rotation.

Zur einfachen Kopplung von Minutenschleppzeigerrad und Schleppzeigerherz und zwangsläufig richtiger Zuordnung des Minutenschleppzeiger-Herzhebels zum Minutenschleppzeigerherz kann der Minutenschleppzeiger-Herzhebel mit seinem einen Ende an dem Minutenschleppzeigerrad um einen zur Drehachse parallele Achse schwenkbar gelagert und mit seinem anderen Ende durch eine Federkraft in Anlage an das Minutenschleppzeigerherz beaufschlagt sein.For easy coupling of minutes towing and trailing hands and inevitably correct assignment of the minute toe-heart lever to minutes towing the heart of the minute towing heart lever can pivotally mounted with its one end to the minutes towing wheel about an axis parallel to the axis of rotation and at its other end by a spring force in contact with the minutes Schleppzeigerherz be charged.

Ist dabei der Minutenschleppzeiger-Herzhebel von einer an dem Minutenschleppzeigerrad befestigten Federelement gegen das Minutenschleppzeigerherz beaufschlagt, so wird auch dieses Federelement immer in seiner korrekten Lage zum Minutenschleppzeiger-Herzhebel mitgeführt.If the minute-hand pointer lever is acted upon by a spring element mounted on the minute-hand pointer wheel against the minute-hand pointer heart, then this spring element is always carried in its correct position relative to the minute-hand pointer-heart lever.

Zum Stoppen des Minutenschleppzeigers kann der Minutenschleppzeiger-Herzhebel durch eine von dem Auslöseelement betätigbare Entkupplungseinrichtung außer Eingriff von dem Minutenschleppzeigerherz bringbar sein.To stop the minute towing hand, the minute-hand pointer heart lever can be brought out of engagement with the minute-hand pointer by means of a disengaging device that can be actuated by the triggering element.

Weist die Entkuppeleinrichtung ein koaxial zum Minutenschleppzeigerrad drehbar angeordnetes Isolatorrad und einen um eine zur Drehachse parallele Isolatorachse um einen bestimmten Schwenkwinkel zwischen einer Auskuppelstellung und einer Einkuppelstellung schwenkbar antreibbaren Isolatorhebel auf, durch den Isolatorrad um einen bestimmten Drehwinkel drehbar antreibbar ist, durch den das Isolatorrad um einen bestimmten Drehwinkel drehbar antreibbar ist, wobei das Isolatorrad einen Anschlag aufweist, durch den der Minutenschleppzeiger-Herzhebel von dem Minutenschleppzeigerherz entkuppelbar beaufschlagbar ist, besitzt die Entkupplungseinrichtung eine kompakte Bauweise mit einfachen Bauteilen und ist leicht betätigbar. Das Isolatorrad kann zum sicheren Antrieb durch den Isolatorhebel mit einer radial umlaufenden Verzahnung, insbesondere einer Sägeverzahnung und der Isolatorhebel mit einer entsprechenden Gegenverzahnung versehen sein, die in der Einkuppelstellung in die Verzahnung des Isolatorrades eingreift.Does the uncoupler a coaxial with the minutes towing wheel rotatably arranged isolator and about an axis parallel to the axis of rotation insulator about a certain pivot angle between a disengaged position and a Einkuppelstellung pivotally driven isolator lever, is rotatably driven by the isolator to a certain angle through which the isolator about a certain rotation angle can be driven in rotation, wherein the isolator has a stop by which the minutes towing heart lever can be uncoupled from the minutes Schleppzeigerherz decoupled, the decoupling device has a compact design with simple components and is easily operable. The isolator wheel can be safely driven by the isolator lever with a radially encircling toothing, in particular a saw toothing and the isolator lever may be provided with a corresponding counter-toothing, which engages in the coupling position in the toothing of the isolator wheel.

In einfacher Weise ist vorzugsweise die Entkuppeleinrichtung von einem Steuerhebel betätigbar, der von dem Auslöseelement aus einer Einkuppelstellung in eine Entkuppelstellung entgegen einer Federkraft um eine Steuerhebelachse schwenkbar antreibbar ist, wobei der Isolatorhebel von dem Steuerhebel entgegen der Federkraft schwenkbar beaufschlagbar ist.In a simple manner, preferably, the uncoupling device is actuated by a control lever which is pivotally drivable by the trigger element from a Einkuppelstellung in a uncoupled against a spring force about a control lever axis, wherein the isolator lever is pivotally acted upon by the control lever against the spring force.

In Mehrfachfunktion und damit Teile und Bauraum sparend kann der Steuerhebel einen Anschlag aufweisen, durch den die Raste in der Einkuppelstellung des Steuerhebels aus der Rastausnehmung ausrastbar beaufschlagt ist.In multiple function and thus parts and space saving the control lever may have a stop by which the catch is acted upon in the engagement position of the control lever from the latching recess disengaged.

Zu einem bauteilsparenden Aufbau führt es, wenn die Raste an dem freien Ende eines radial gegen das Minutenschleppzeigerrad vorgespannten Federarms angeordnet ist.It leads to a component-saving construction, when the catch is arranged at the free end of a radially biased against the minutes towing pin wheel spring arm.

Zur Definition der Position des Steuerhebels in seiner Entkupplungsstellung kann der Steuerhebel in seiner Einkuppelstellung an einem Anschlag, insbesondere einem Anschlagexzenter in Anlage sein.To define the position of the control lever in its uncoupling position, the control lever in its coupling position on a stop, in particular a stop eccentric in Appendix.

Ist das gemeinsame Auslöseelement ein drehbar antreibbares Kolonnenrad mit gleichmäßig radial umlaufend verteilten Kolonnen, so wird ein einfacher und sicherer Antrieb sowohl des Sekundenschleppzeigers als auch des Minutenschleppzeigers erreicht.If the common triggering element is a column wheel rotatably drivable with columns distributed uniformly radially around the circumference, a simple and reliable drive of both the second towing hand and the minute towing hand is achieved.

Dabei kann der Steuerhebel von den Kolonnen aus seiner Einkuppelstellung in seine Entkuppelstellung schwenkbar antreibbar sein.In this case, the control lever of the columns from its coupling position in its uncoupling be pivotally driven.

Das Kolonnenrad ist vorzugsweise mit gleichmäßig verteilt radial umlaufend angeordneten Schaltzähne doppelter Anzahl als der Anzahl der Ko-Ionnen ausgebildet, über die das Kolonnenrad drehbar antreibbar ist, wobei zur Sicherung der Positionen des Kolonnenrades eine Rastfeder in die Zahnlücken zwischen den Schaltzähnen federnd einrastbar sein kann.The column wheel is preferably formed with uniformly distributed radially circumferentially arranged switching teeth twice the number of Ko-Ionnen over which the column wheel is rotatably driven, to secure the positions of the column wheel, a detent spring can be resiliently latched into the tooth spaces between the shift teeth.

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

Figur 1
eine Ansicht des einen Minutenschleppzeiger betätigenden Teils eines Schleppzeigermechanismus in Stoppposition
Figur 2
eine Ansicht des den Minutenschleppzeiger betätigenden Teils des Schleppzeigermechanismus nach Figur 1 in einer Mitlaufposition.
An embodiment of the invention is illustrated in the drawing and will be described in more detail below. Show it
FIG. 1
a view of the one-minute pointer actuating part of a drag indicator mechanism in the stop position
FIG. 2
a view of the minute towing pointer actuating part of the slave pointer mechanism after FIG. 1 in a co-driving position.

Der dargestellte Teil des Schleppzeigermechanismus zeigt ein durch einen nicht dargestellten Drücker drehbar betätigbares Kolonnenrad 1 mit acht axial hervorstehenden, gleichmäßig umlaufend verteilt angeordneten Kolonnen 2 sowie sechzehn gleichmäßig am Umfang verteilt angeordneten Schaltzähnen 3. In eine der Zahnlücken 4 zwischen den Schaltzähnen 3 ist eine Raste 5 einer Rastfeder 6 federnd eingerastet.The illustrated part of the toe pointer mechanism shows a column wheel 1 rotatably actuated by a pusher, not shown, with eight axially projecting, uniformly distributed columns 2 and sixteen uniformly distributed on the circumference arranged switching teeth 3. In one of the tooth gaps 4 between the shift teeth 3 is a notch. 5 a detent spring 6 locked resiliently.

Ein Finger 7 eines um eine Steuerhebelachse 8 schwenkbar gelagerten Steuerhebels 9 greift in die Lücken 10 zwischen den Kolonnen 2 ein und wird durch Verdrehen des Kolonnenrades 1 im Uhrzeigersinn rampenartig aus einer Lücke 10 herausgehoben und gleitet auf der äußeren Peripherie der Kolonne 2, bis sie in die folgende Lücke 10 wieder hinein fällt.A finger 7 of a control lever 9 pivotally mounted about a control lever axis 8 engages in the gaps 10 between the columns 2 and is lifted by turning the column wheel 1 clockwise out of a gap 10 and slides on the outer periphery of the column 2 until they are in the following gap 10 falls back into it.

Durch das Herausheben der Klinke aus einer Lücke 10 wird der Steuerhebel 9 aus einer Einkuppelstellung (Figur 2) in eine Entkuppelstellung (Figur 1) verschwenkt.By lifting the latch from a gap 10, the control lever 9 from a Einkuppelstellung ( FIG. 2 ) in a uncoupling position ( FIG. 1 ) pivots.

Zur Positionierung der Entkuppelstellung liegt der Steuerhebel 9 mit einem Anschlagarm 11 an einem Anschlagexzenter 12 an und wird durch einen einteilig an dem Steuerhebel 9 angeordneten, an einem Stift 13 abgestützten Federarm 14 gegen den Anschlagexzenter 12 federbeaufschlagt.To position the Entkuppelstellung the control lever is 9 with a stop arm 11 on a stopper cam 12 and is replaced by a arranged in one piece on the control lever 9, supported on a pin 13 spring arm 14 spring-loaded against the stopper eccentric 12.

Der Steuerhebel 9 weist weiterhin einen Betätigungsarm 15 auf, an dessen freiem Endbereich sich ein Anschlag 16 befindet, durch den ein mit einem Ende fest angeordneter Federarm 17 auslenkbar beaufschlagbar ist, der an seinem freien Ende eine Raste 18 trägt.The control lever 9 further comprises an actuating arm 15, at the free end portion of which there is a stop 16, by means of which a spring arm 17, which is fixedly arranged at one end, can be acted upon in a deflectable manner, which carries a catch 18 at its free end.

Der Steuerhebel 9 besitzt an seinem Betätigungsarm 15 weiterhin einen Fortsatz 19, durch den bei Verschwenken des Steuerhebels 9 aus seiner Entkuppelstellung in seine Einkuppelstellung ein um eine zur Steuerhebelachse 8 parallele Isolatorachse 20 schwenkbarer Isolatorhebel 21 entgegen der Kraft einer Feder 22 aus seiner Einkuppelstellung (Figur 1) in seine Auskuppelstellung (Figur 2) schwenkbar beaufschlagbar ist.The control lever 9 has on its actuating arm 15 further comprises an extension 19, by the pivoting of the control lever 9 from its uncoupling in its Einkuppelstellung a parallel to the control lever axis 8 isolator axis 20 pivotable isolator lever 21 against the force of a spring 22 from its Einkuppelstellung ( FIG. 1 ) in its disengaging position ( FIG. 2 ) is pivotally acted upon.

Der Isolatorhebel 21 besitzt an einem zur Isolatorachse 20 radial beabstandeten Bereich drei Zähne einer Gegenverzahnung 23, die bei Verschwenken des Isolatorhebels 21 aus der Entkuppelstellung in die Einkuppelstellung in eine radial umlaufende Sägeverzahnung 24 eines Isolatorrades 25 eingreifen und dieses um einen bestimmten Drehwinkel entgegen dem Uhrzeigersinn drehen.The isolator lever 21 has on a to the insulator axis 20 radially spaced area three teeth of a counter toothing 23, which engage when pivoting the isolator lever 21 from the uncoupling in the Einkuppelstellung in a radially encircling saw teeth 24 of a Isolatorrades 25 and rotate it by a certain angle of rotation counterclockwise ,

Das Isolatorrad 25 ist um eine zur Steuerhebelachse 8 parallele Drehachse 26 drehbar gelagert und trägt einen Anschlag 27, durch den ein Minutenschleppzeiger-Herzhebel 28 bei Drehung des Isolatorrades 25 um eine zur Drehachse 26 parallele Achse 29 schwenkbar beaufschlagbar ist.The isolator wheel 25 is rotatably mounted about a rotation axis 26 parallel to the control lever axis 8 and carries a stop 27, by which a minute-hand lever 28 can be pivotally acted upon rotation of the isolator wheel 25 about an axis 26 parallel to the axis of rotation 26.

Der Minutenschleppzeiger-Herzhebel 28 ist mit seinem einen Ende um die Achse 29 schwenkbar an einem Minutenschleppzeigerrad 30 gelagert, das ebenfalls um die Drehachse 26 drehbar gelagert ist, und beaufschlagt mit seinem anderen Endbereich die radial umlaufende Herzkurve 31 eines Minutenschleppzeigerherzes 32. Dieses Minutenschleppzeigerherz 32 ist ebenfalls um die Drehachse 26 drehbar und mit einem nicht dargestellten, die Zeigerachse eines Minutenchronographenzeigers tragenden Minutenzählerrad eines Chronographen fest verbunden.The minute-hand lever heart lever 28 is pivotally mounted with its one end about the axis 29 on a minute trailing wheel 30, which is also rotatably mounted about the axis of rotation 26, and acted with its other end portion, the radially encircling heart cam 31 of a minute trailing hand heart 32nd This minute Schleppzeigerherz 32 is also rotatable about the rotation axis 26 and fixedly connected to a minute counter wheel of a chronograph, not shown, which carries the pointer axis of a minute chronograph hand.

Durch einen vorgespannten Federarm eines mit einem Ende an dem Minutenschleppzeigerrad 30 befestigten Federelements 33 ist der Minutenschleppzeiger-Herzhebel 28 gegen die Herzkurve 31 des Minutenschleppzeigerherzes 32 beaufschlagt. Das Minutenschleppzeigerrad 30 besitzt an seinem radial umlaufenden Umfang gleichmäßig verteilt dreißig Rastausnehmungen 34, die in ihrer Form der Form der Raste 18 entsprechen und in die die Raste 18 einrastbar ist.By means of a prestressed spring arm of a spring element 33 fastened at one end to the minute-trailing-hand wheel 30, the minute-hand pointer-heart lever 28 is acted upon against the heart cam 31 of the minute-hand pointer-heart 32. The minutes Schleppzeigerrad 30 has at its radially circumferential extent evenly distributed thirty recesses 34 corresponding in shape to the shape of the catch 18 and in which the catch 18 can be latched.

Der Chronograph besitzt einen nicht dargestellten Sekundenchronographenzeiger und einen Minutenchronographenzeiger, wobei der Minutenchronographenzeiger in dreißig Schritten pro Umdrehung drehbar antreibbar ist. Dem Sekundenchronographenzeiger ist ein Sekundenschleppzeiger und dem Minutenchronographenzeiger ist der ebenfalls in dreißig Schritten pro Umdrehung fortschaltbare Minutenschleppzeiger zugeordnet.The chronograph has a second chronograph hand, not shown, and a minute chronograph hand, wherein the minute hand chronograph hand is rotatably drivable in thirty steps per revolution. The second chronograph hand is assigned a second-hand pointer and the minute-hand chronograph hand is assigned to the minute-hand pointer, which can also be indexed in thirty steps per revolution.

Der Schleppzeigermechanismus beider Schleppzeiger besitzt das Kolonnenrad 1 als gemeinsames Auslöseelement.The trailing pointer mechanism of both trailing hands has the column wheel 1 as a common triggering element.

Sollen bei laufenden Sekunden- und Minutenchronographenzeigern die mitlaufenden Sekunden- und Minutenschleppzeiger gestoppt werden, erfolgt ein Verdrehen des Kolonnenrades 1 um eine Teilung der Schaltzähne 3. Dadurch fällt der Finger 7 in eine Lücke zwischen zwei Kolonnen 2. Dabei erfolgt auch ein Verschwenken des Steuerhebels 9 entgegen dem Uhrzeigersinn bis zur Anlage an dem Anschlagexzenter 12.If, during running seconds and minute chronograph hands, the following seconds and minutes are to be stopped, the column wheel 1 is rotated by one pitch of the shifting teeth 3. As a result, the finger 7 falls into a gap between two columns 2. The control lever 9 also pivots counterclockwise until it touches the stop eccentric 12.

Da nun der Anschlag 16 den Federarm 17 nicht mehr ausgelenkt hält, bewegt dieser die Raste 18 in eine Rastausnehmung 34 des Minutenschleppzeigerrades 30 und blockiert dessen weitere Drehbewegung und damit auch die Drehbewegung des Minutenschleppzeigers.Since the stop 16 no longer deflects the spring arm 17, it moves the catch 18 into a recess 34 of the minute-hand pointer wheel 30 and blocks its further rotational movement and thus also the rotational movement of the minute-hand pointer.

Durch die Schwenkbewegung des Steuerhebels 9 kommt es unter der Wirkung der Feder 22 gleichzeitig zu einer Schwenkbewegung des Isolatorhebels 21 im Uhrzeigersinn, so daß dessen Gegenverzahnung 23 in Eingriff in die Sägeverzahnung 24 des Isolatorrades 25 gelangt und dieses um einen bestimmten Winkel verdreht. Dabei gelangt der Anschlag 27 in Anlage an den Minutenschleppzeiger-Herzhebel 28 und hebt diesen entgegen der Kraft des Federelements 33 von dem Minutenschleppzeigerherz 32 ab, so daß die Herzkurve 31 und damit auch der mit ihr über das Minutenzählerrad verbundene Minutenchronographenzeiger sich ungehindert weiterdrehen können.Due to the pivotal movement of the control lever 9 it comes simultaneously under the action of the spring 22 to a pivoting movement of the isolator lever 21 in a clockwise direction, so that its counter teeth 23 engages the saw teeth 24 of the isolator wheel 25 and this rotated by a certain angle. In this case, the stopper 27 comes into abutment with the minute-hand lever heart lever 28 and lifts it against the force of the spring element 33 from the minutes Schleppzeigerherz 32 so that the heart cam 31 and thus also connected to it via the minute counter wheel minute chronograph hand can continue to rotate freely.

Soll nun der Minutenschleppzeiger wieder mit dem Minutenchronographenzeiger synchron weiterlaufen, wird das Kolonnenrad 1 um eine Zahnteilung der Schaltzähne 3 weitergedreht. Dadurch erfolgt ein rampenartiges Ausheben des Fingers 7 aus der Lücke zwischen zwei Kolonnen 2 und ein Aufliegen auf der peripheren Außenfläche einer Kolonne 2. Gleichzeitig wird dadurch der Steuerhebel 9 im Uhrzeigersinn verschwenkt, wodurch über den Anschlag 16 der Federarm 17 verschwenkt und seine Raste 18 aus der Rastausnehmung 34 herausgehoben wird.If the minute-hand pointer now continues to run synchronously with the minute-chronograph hand, the column wheel 1 is further rotated by a pitch of the toothed teeth 3. This results in a ramp-like lifting of the finger 7 from the gap between two columns 2 and resting on the peripheral outer surface of a column 2. At the same time thereby the control lever 9 is pivoted clockwise, which pivots about the stop 16 of the spring arm 17 and its catch 18 from the catch recess 34 is lifted out.

Weiterhin erfolgt durch Beaufschlagung eines Anschlags 35 des Isolatorhebels 21 durch den Fortsatz 19 des Steuerhebels 9 ein Verschwenken des Isolatorhebels 21 entgegen dem Uhrzeigersinn. Damit gelangt dessen Gegenverzahnung 23 außer Eingriff von der Sägeverzahnung 24 des Isolatorrades 25, so daß das Federelement 33 den Minutenschleppzeiger-Herzhebel wieder in Anlage an die Herzkurve 31 des Minutenschleppzeigerherzes 32 bringt. Dieses verdreht sich dann unter der radialen Beaufschlagung des Minutenschleppzeiger-Herzhebels 28, bis dieser an der radial geringsten Erstreckung des Minutenschleppzeigerherzens 32 anliegt, so daß Minutenchronographenzeiger und Minutenschleppzeiger einander überdecken und synchron sich weiterdrehen.Furthermore, by applying a stop 35 of the isolator lever 21 through the extension 19 of the control lever 9 is a pivoting of the isolator lever 21 in the counterclockwise direction. Thus, its counter toothing 23 is disengaged from the saw teeth 24 of the isolator wheel 25, so that the spring element 33 brings the minute hand pointer heart lever back into contact with the heart cam 31 of the minute hand pointer 32. This then twists under the radial loading of the minute-hand pointer heart lever 28, until it rests against the radially smallest extent of the minutes Schleppzeigerherzens 32 so that minutes chronograph hand and minute toe pointer cover each other and continue to rotate synchronously.

Damit sich das Isolatorrad 25 nur um den bestimmten Schwenkwinkel mit seinem Anschlag 27 von dem Minutenschleppzeiger-Herzhebel 28 wegbewegen kann, ist diese Bewegung durch einen Anschlag 36 des Minutenschleppzeigerrades 30 gegrenzt.In order for the isolator wheel 25 to be able to move away from the minute-hand pointer heart lever 28 only by the specific swivel angle with its stop 27, this movement is limited by a stop 36 of the minute-hand pointer wheel 30.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Kolonnenradcolumn wheel
22
Kolonnencolumns
33
Schaltzähneshift teeth
44
Zahnlückengullets
55
Rastenotch
66
Rastfederdetent spring
77
Fingerfinger
88th
SteuerhebelachseControl lever axis
99
Steuerhebelcontrol lever
1010
Lückegap
1111
Anschlagarmstop arm
1212
AnschlagexzenterAnschlagexzenter
1313
Stiftpen
1414
Federarmspring arm
1515
Betätigungsarmactuating arm
1616
Anschlagattack
1717
Federarmspring arm
1818
Rastenotch
1919
Fortsatzextension
2020
Isolatorachseinsulator axis
2121
Isolatorhebelisolator lever
2222
Federfeather
2323
Gegenverzahnungcounter teeth
2424
Sägeverzahnungsawtooth
2525
IsolatorradIsolatorrad
2626
Drehachseaxis of rotation
2727
Anschlagattack
2828
Minutenschleppzeiger-HerzhebelMinute maximum indicator heart lever
2929
Achseaxis
3030
MinutenschleppzeigerradMinutenschleppzeigerrad
3131
Herzkurvecardioid
3232
MinutenschleppzeigerherzMinutes maximum indicator heart
3333
Federelementspring element
3434
Rastausnehmungrecess
3535
Abschlagreduction
3636
Anschlagattack

Claims (18)

  1. Chronograph having a clock movement by which a second chronograph hand and, in a number, especially, of thirty increments per revolution, a minute chronograph hand can be rotatably driven, having a control apparatus for stopping the second chronograph hand and the minute chronograph hand and for setting in motion a maximum indicator mechanism of a second maximum indicator and of a minute maximum indicator, which mechanism has a trip element for starting and stopping the second maximum indicator and a minute maximum indicator, characterized in that the maximum indicator mechanism has a common trip element for the second maximum indicator and the minute maximum indicator, by which a catch (18) can be triggered such that it can be engaged in or disengaged from a ratchet recess (34) of ratchet recesses (34) disposed evenly spaced on the periphery of a minute maximum indicator wheel (30), the minute maximum indicator wheel (30) having connected to it a minute maximum indicator tube of a minute maximum indicator and the number of ratchet recesses (34) corresponding to the number of increments of the minute chronograph hand per revolution.
  2. Chronograph according to Claim 1, characterized in that the minute maximum indicator wheel (30) can be coupled by a minute maximum indicator hammer (28) to a minute maximum indicator heart (32), which is connected in a rotationally secure manner to a hand shaft of the minute chronograph hand.
  3. Chronograph according to Claim 2, characterized in that the minute maximum indicator heart (32) is fixedly connected to a minute counter wheel bearing the hand shaft of the minute chronograph hand.
  4. Chronograph according to Claim 2 or 3, characterized in that the minute maximum indicator wheel (30) and the minute maximum indicator heart (32) are disposed rotatably about a common rotation axis (26).
  5. Chronograph according to Claim 4, characterized in that the minute maximum indicator hammer (28), with its one end, is mounted on the minute maximum indicator wheel (30) pivotably about an axis (29) parallel to the rotation axis (26) and, with its other end, is pressurized by a spring force into bearing contact against the minute maximum indicator heart (32).
  6. Chronograph according to Claim 5, characterized in that the minute maximum indicator hammer (28) is pressurized against the minute maximum indicator heart (32) by a spring element (33) attached to the minute maximum indicator wheel (30).
  7. Chronograph according to one of Claims 2 to 6, characterized in that the minute maximum indicator hammer (28) can be disengaged from the minute maximum indicator heart (32) by a decoupling device which can be actuated by the trip element.
  8. Chronograph according to Claim 7, characterized in that the decoupling device has an isolator wheel (25), which is disposed such that it is rotatable coaxially to the minute maximum indicator wheel (30), and an isolator lever (21), which can be driven pivotably about an isolator axis (20) parallel to the rotation axis (26), by a certain rotation angle, between a decoupling setting and a coupling setting and by which the isolator wheel (25) can be driven rotatably by a certain rotation angle, the isolator wheel (25) having a stop (27), by which the minute maximum indicator hammer (28) can be pressurized such that it can be decoupled from the minute maximum indicator heart (32).
  9. Chronograph according to Claim 8, characterized in that the isolator wheel (25) is provided with a radially encircling toothing, especially a saw toothing (24), and the isolator lever (21) with a corresponding counter-toothing (23), which, in the coupling setting, engages in the toothing of the isolator wheel (25).
  10. Chronograph according to one of Claims 7 to 9, characterized in that the decoupling device can be actuated by a control lever (9), which can be driven by the trip element out of a coupling setting into a decoupling setting, counter to a spring force, pivotably about a control lever axis (8).
  11. Chronograph according to Claim 10 if Claim 10 is dependent on Claims 8 or 9, characterized in that the isolator lever (21) can be pressurized pivotably by the control lever (9) counter to the spring force.
  12. Chronograph according to either of Claims 10 and 11, characterized in that the control lever (9) has a stop (16), by which the catch (18), in the coupling setting of the control lever (9), is pressurized such that it can be disengaged from the ratchet recess (34).
  13. Chronograph according to one of the preceding claims, characterized in that the catch (18) is disposed at the free end of a spring arm (17) preloaded radially toward the minute maximum indicator wheel (30).
  14. Chronograph according to one of Claims 10 to 12, characterized in that the control lever (9), in its coupling setting, is in bearing contact against a stop, especially a stop eccentric (12).
  15. Chronograph according to one of the preceding claims, characterized in that the common trip element is a rotatably drivable column wheel (1) having columns (2) which are evenly spaced in radially encircling arrangement.
  16. Chronograph according to Claim 15 if Claim 15 is dependent on Claims 10 to 14, characterized in that the control lever (9) can be driven by the columns (2) pivotably out of its coupling setting into its decoupling setting.
  17. Chronograph according to either of Claims 15 and 16, characterized in that the column wheel (1) is configured with ratchet teeth (3) disposed evenly spaced in radially encircling arrangement, which are double in number to the number of columns (2) and by which the column wheel (1) can be rotatably driven.
  18. Chronograph according to Claim 17, characterized in that a detent spring (6) is capable of engaging resiliently in the tooth spaces (4) between the ratchet teeth (3).
EP05002644A 2004-04-06 2005-02-09 Chronograph Active EP1584997B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004017345 2004-04-06
DE102004017345A DE102004017345B3 (en) 2004-04-06 2004-04-06 Stopwatch with mechanism for starting and stopping second hand and minute hand for timing events has heart-shaped cam on minute wheel for synchronization of minute indicator with minute hand

Publications (3)

Publication Number Publication Date
EP1584997A2 EP1584997A2 (en) 2005-10-12
EP1584997A3 EP1584997A3 (en) 2007-09-26
EP1584997B1 true EP1584997B1 (en) 2008-10-15

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EP05002644A Active EP1584997B1 (en) 2004-04-06 2005-02-09 Chronograph

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US (1) US7014356B2 (en)
EP (1) EP1584997B1 (en)
JP (1) JP4288250B2 (en)
DE (2) DE102004017345B3 (en)
HK (1) HK1081282A1 (en)

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EP1791041A1 (en) * 2005-11-24 2007-05-30 Vaucher Manufacture Fleurier SA Timepiece movement
EP1970780B1 (en) 2007-03-12 2013-03-06 Audemars Piguet (Renaud et Papi) SA Horogical device for automatic adjustment of the relative angular position of two parts that are mobile in relation to one another to a phase lag value
CH700302A2 (en) 2009-01-21 2010-07-30 Montblanc Simplo Gmbh Chronograph.
EP2362277B1 (en) * 2010-02-25 2012-10-31 Montres Breguet SA On-demand time zone displayed on the main hand of a timepiece
EP2362276B1 (en) * 2010-02-25 2012-10-31 Montres Breguet SA Programmable and reprogrammable mechanical memory wheel for a timepiece
JP6564561B2 (en) * 2013-05-31 2019-08-21 ロレックス・ソシエテ・アノニムRolex Sa Clock mechanism for storing and displaying time information
JP6567806B2 (en) 2013-05-31 2019-08-28 ロレックス・ソシエテ・アノニムRolex Sa Clock mechanism for storing and displaying time information
CH710362A1 (en) 2014-11-13 2016-05-13 Société Anonyme De La Mft D'horlogerie Audemars Piguet & Cie Device to split planetary gear for a timepiece.
CN104991434B (en) * 2015-08-07 2018-08-17 辽宁孔雀表业有限公司 A kind of score transmission mechanism
EP3179318B1 (en) * 2015-12-09 2018-04-18 Patek Philippe SA Genève Split time counter lever
EP3185090B1 (en) * 2015-12-23 2019-10-23 Rolex Sa Device for counting and displaying a fraction of a time unit

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US479900A (en) * 1892-08-02 William piguet
US426396A (en) * 1890-04-22 Charles schlatter
US355403A (en) * 1887-01-04 lecoultre
US552715A (en) * 1896-01-07 lugrin
US253338A (en) * 1882-02-07 audemars
US394933A (en) * 1888-12-18 Ami lecofltre piquet
US550182A (en) * 1895-11-19 lecoultre-piguet
CH7411A (en) 1893-10-10 1894-05-31 Reymond Rod & Aeschlimann Chronograph movement with rattrapante mechanism under the dial
US2548101A (en) * 1946-03-12 1951-04-10 Dubey Georges Split seconds flyback chronograph
DE1003141B (en) * 1952-10-30 1957-02-21 Jeanneret & Co R stopwatch
CH679969B5 (en) * 1990-12-11 1992-11-30 Ebauchesfabrik Eta Ag
DE10135110B4 (en) * 2001-07-19 2004-05-27 Lange Uhren Gmbh Chronograph

Also Published As

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EP1584997A3 (en) 2007-09-26
DE102004017345B3 (en) 2005-09-01
JP4288250B2 (en) 2009-07-01
EP1584997A2 (en) 2005-10-12
US7014356B2 (en) 2006-03-21
HK1081282A1 (en) 2006-05-12
JP2005300541A (en) 2005-10-27
DE502005005664D1 (en) 2008-11-27
US20050249043A1 (en) 2005-11-10

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