EP0451337B1 - Repeating watch - Google Patents

Repeating watch Download PDF

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Publication number
EP0451337B1
EP0451337B1 EP90122016A EP90122016A EP0451337B1 EP 0451337 B1 EP0451337 B1 EP 0451337B1 EP 90122016 A EP90122016 A EP 90122016A EP 90122016 A EP90122016 A EP 90122016A EP 0451337 B1 EP0451337 B1 EP 0451337B1
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EP
European Patent Office
Prior art keywords
hour
graded
scale
quarter
star wheel
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Expired - Lifetime
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EP90122016A
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German (de)
French (fr)
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EP0451337A1 (en
Inventor
Giulio Papi
Dominique Renaud
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IWC International Watch Co AG
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IWC International Watch Co AG
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Publication of EP0451337A1 publication Critical patent/EP0451337A1/en
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    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B21/00Indicating the time by acoustic means
    • G04B21/02Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/12Reiterating watches or clocks

Definitions

  • the invention relates to a repeater watch with a quarter-hour hammer mechanism which can be driven by a quarter-hour rake, by means of which a quarter-hour tone spring can be driven by a quarter-hour hammer, the number of quarter-hours to be struck being determined by the pivoting position of a quarter distributor which can be pivoted about a pivot axis, of which the pushbutton can be used to push the button Position of a quarter hour scale rotatably driven by a clockwork can be scanned.
  • the repeater mechanism both requires little installation space and guarantees an exact impact drive, especially in the transition areas from a quarter of an hour to the next quarter of an hour.
  • the quarter-hour scale provided with spiral-like quarter-hour stages is connected in a rotationally fixed manner to a coaxially arranged relay star, the number of teeth of which corresponds to the number of quarter-hours and which can be jumped by a tooth spacing of the relay star every quarter hour.
  • This training not only allows a flat structure, but also leads to an exact changeover from a quarter of an hour to the next quarter of an hour within a fraction of a second due to the leaping drive of the relay star.
  • the striking mechanism always strikes the exact time.
  • the relay star is preferably adjustable by an incident star that can be rotated by the clockwork and can be freely rotated relative to the drive of the clockwork by a certain small angle of rotation, a spring-loaded raster protruding into a tooth space of the relay star, on the ramp-like sides of which in the circumferential direction of the relay star the teeth of the relay star slide along the notch from the tooth gap.
  • the catch can be arranged at the free end of a detent lever which is freely pivotable about an axis and can preferably be approximately V-shaped with a flat angle between the legs of the V.
  • the incident star can be arranged in a rotationally fixed manner on a freely rotatably mounted incident axis stump which can be rotatably driven by a drive axis stump continuously driven by the clockwork, rotatably mounted and coaxially arranged with the incident axis stump, whereby the incident axis stump and drive axis stump are freely movable relative to one another by the determined small angle of rotation are rotatable about their longitudinal axis.
  • the projecting stub and the driving stub can each have stop faces which, after the relative rotation of the stub and the driving stub by the specific angle, can be in contact with one another to form a rotationally fixed connection.
  • an hourly cam star with radially protruding switching cams can be arranged in a rotationally fixed coaxial manner on the relay star and a freely rotating hour star star of the switching cams engaging in the tooth gap of the hour star star can be rotated one at a time Tooth spacing of the teeth of the hourly star can be driven to rotate in an abrupt manner, the position of the hourly series being palpable and correspondingly an hour hammer that can be struck by means of an hour hammer. Due to the multiple function of components, this training is both low in components and requires little installation space.
  • the low overall height contributes if the hour scale is provided with spiral hour levels and the number of teeth of the hour star corresponds to the number of hour levels.
  • a grid projects spring-loaded into a tooth gap of the hourly star, whereby it can slide the teeth of the hourly star out of the tooth gap on ramp-like sides oriented in the circumferential direction of the hourly star, the stepwise star is jumped forward and thus an exact, timely switching of the striking mechanism within a fraction of one Second from one hour to the next.
  • the incident star can be connected in a rotationally fixed manner with multiple functions of several components, and it has radially protruding actuating arms by means of which a minute scale can be adjusted, whereby the position of the minute scale can be scanned and correspondingly via one Minute striking a minute hammer a minute tone spring is drivable.
  • the minute scale is a lever which can be pivoted about a pivot axis counter to the force of a spring and which has an adjusting ramp along which the actuating arm can pivotably slide the minute scale, the sliding period during which the adjusting arm moves along the adjusting ramp is slidable, preferably a quarter of an hour.
  • the actuating arm can be disengaged from the actuating ramp at the end of the sliding period, it is activated at exactly the right time Switch from one floating period to the next floating period within a fraction of a second.
  • the repeater watch shown has an elevator lever 1 which can be pivoted counterclockwise about an axis 2 by manual loading of a cam 3 until it comes into contact with an hourly scale 5 with a stop pin 4.
  • the hourly scale 5 is rotatably mounted and provided with twelve hourly steps, evenly distributed around the circumference, which have a spiraling height.
  • the elevator lever 1 has a tooth sector 7 which is concentric with the axis 2 and which engages in an elevator drive wheel 8.
  • the elevator drive wheel 8 is arranged in a rotationally fixed manner on a rotatable spring core axis 9, to which in turn the one end of a spiral tension spring 10 which surrounds the spring core axis 9 is fastened.
  • the other end of the tension spring 10 is connected to a fixed barrel 11.
  • the tension spring 10 is more or less tensioned depending on the position of the hourly scale 5 and, when relaxed, drives an hourly / quarter-hour rake 12 arranged on the spring core axis 9 in a rotatable manner.
  • an hourly scoop 13 and a quarterly scoop 14 can be driven in a pivotable manner.
  • the hour creator 13 thereby drives a likewise pivotable hour hammer lever 16 via a pivotable intermediate lever 15 in such a way that it moves away from an hourly tone spring 19 with its hour hammer 17 against the force of a spring 18.
  • the hour hammer 17 is moved with momentum against the hour tone spring 19 and generates a tone.
  • a quarter-hour hammer 22 is lifted by a quarter-hour spring 23 against the force of a spring 24 by the quarter-hour creator 14 via an intermediate lever 20 and a quarter-hour hammer lever 21.
  • the quarter-hour scoop 14 snaps over a tooth of the quarter-hour calculator 12
  • the quarter-hour tone spring 23 strikes through the quarter-hour hammer 22, as a result of which a tone of a different frequency than the hour-tone tone spring 19 is generated.
  • a minute scraper 25 can also be pivoted about the same axis as the quarter hour scoop 14, through which the intermediate lever 20 and the quarter hour hammer lever 21 can also be moved and a sound can be generated by the quarter hour hammer 22.
  • the minute creator 25 can be pivotally driven by a minute rake 26 which is pivotable about an axis 27.
  • the hour / quarter hour rake 12 has a row of teeth of twelve hour teeth in a clockwise direction, a first row of teeth with three quarter hour teeth and a second row of teeth with three quarter hour teeth.
  • the hour teeth 13 and the first row of teeth of the quarter hour teeth come into engagement with the hour creator 13 and the second row of teeth of the quarter hour teeth with the quarter hour creator 14. This means that the quarter hours produce a stroke of both gongs 19 and 23.
  • a quarter distributor 29 which can be pivoted about an axis 28 and which, depending on the pivoted position, interrupts the rotary movement of the hour / quarter hour calculation 12 sooner or later by a decoupler finger 30 of the hour / quarter hour calculation 12 in a hook recess 31 assigned to the respective quarter hour of the quarter distributor 29 engages.
  • the pivot position of the quarter distributor 29 is determined in that it scans a quarter hour scale 34 with a button 33 arranged at the free end of its probe arm 32.
  • the quarter-hour scale 34 is rotatably driven about an axis 35 with one revolution per three hours. It has evenly distributed three spirally rising seasons 36, each having four stages, which determine the degree of pivoting movement of the quarter distributor 29.
  • a relay star 37 with twelve teeth and an hourly cam star 38 with three radially protruding cams 39 are also arranged on the axis 35 in a rotationally fixed manner with the quarter-hour relay 34. Due to the cams 39 of the hourly cam star 38, a rotation is fixed with the hourly scale 5 connected hourly series star 40, which has twelve teeth, one of which is assigned to a step of the hourly series 5 and drives it with one revolution per 12 hours.
  • the relay star 37 can be rotatably driven by the radial arms 41 of an incident star 42 which is driven counterclockwise by the clockwork of the repeater clock at one revolution per 1.5 hours.
  • the incident star 42 has six arms. Due to the ramp-like free ends of the arms 41, every quarter hour of the relay star 37 is rotated further by one tooth width. So that this movement can take place suddenly despite the continuously driving clockwork, the relay star 37 is held in a quarter-hour position by a V-shaped catch 43.
  • the detent 43 which is arranged on the free end of a locking lever 45 which can be pivoted about an axis 44, engages in a tooth gap of the relay star 37 under the action of a spring 46.
  • the axis on which the incident star 42 is arranged is also formed in two parts.
  • This axis consists of a freely rotatable stub axle 47 with which the stub 42 is firmly connected.
  • a drive axle stub 48 is rotatably mounted coaxially to the trailing axle stub 47 and carries a drive wheel 49 which is continuously driven by the clockwork, not shown.
  • the mutually facing ends of the retractable stub 47 and the drive stub 48 each have facing stop surfaces 50 on the same level, which have so much play 51 in the circumferential direction that a relative rotation of 8 ° is possible.
  • the relay star 37 can continue to rotate freely by this amount, which is caused by the fact that the detent 43, which had previously slid out of its tooth space against the force of the spring 46 due to the rotary drive of the relay star 37, has reached the deepest position of the next tooth gap by the spring 46 of the star 37 is pressed.
  • the relay star 37 thus only jumps by one tooth width at the end of a quarter of an hour.
  • a minute rake bush 54 Concentrically to the bearing bush 52 for the trailing axle stub 47 arranged on a plate 53, the latter is rotatably mounted around a minute rake bush 54 which forms the axis 27 and on which the minute rake 26 is arranged.
  • a minute transmitter 56 which has six radially protruding actuating arms 57, is connected in a rotationally fixed and coaxial manner to the incident star 42.
  • One free end of an actuating arm 57 slides along a rising adjusting ramp 58 along a minute scale 59 and pivots it against a spring force about a pivot axis 60.
  • the minute scale 59 has a row of teeth 61 with fifteen teeth which can be scanned by a button 62 of the minute calculator 26 and swings it to the current minute position within a quarter of an hour.
  • a sliding period of an actuating arm 57 along the actuating ramp 58 is a quarter of an hour.
  • the actuating arm 57 suddenly disengages from the actuating ramp 58 at the end of the quarter hour and enables the minute series 59 to be pivoted back by the fact that the incident star 45, which is firmly connected to the minute transmitter 56, suddenly rotates forward by 8 ° at the end of a quarter of an hour.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Description

Die Erfindung bezieht sich auf eine Repetieruhr mit einem von einen Viertelstundenrechen antreibbaren Viertelstundenschlagwerk, durch das eine Viertelstundentonfeder von einem Viertelstundenhammer anschlagbar antreibbar ist, wobei die Anzahl der anzugschlagenden Viertelstunden durch die Schwenkstellung eines um eine Schwenkachse schwenkbaren Viertelverteilers bestimmbar ist, von dem mit einem Taster die Position einer von einem Uhrwerk drehbar antreibbaren Viertelstundenstaffel abtastbar ist.The invention relates to a repeater watch with a quarter-hour hammer mechanism which can be driven by a quarter-hour rake, by means of which a quarter-hour tone spring can be driven by a quarter-hour hammer, the number of quarter-hours to be struck being determined by the pivoting position of a quarter distributor which can be pivoted about a pivot axis, of which the pushbutton can be used to push the button Position of a quarter hour scale rotatably driven by a clockwork can be scanned.

Bei solchen, an sich bekannten Repetieruhren (CH-A-6333176), insbesondere bei Armbanduhren, besteht das Problem, das Repetierwerk in möglichst geringem Bauraum unterzubringen. Insbesondere soll die Uhr möglichst flach ausgebildet werden.In such repeater watches known per se (CH-A-6333176), in particular in wristwatches, there is the problem of accommodating the repeater mechanism in the smallest possible installation space. In particular, the watch should be made as flat as possible.

Es ist daher Aufgabe der Erfindung eine Repetieruhr der Eingangs genannten Art zu schaffen, deren Repetierwerk sowohl einen geringen Bauraum benötigt als auch einen exakten Schlagantrieb insbesondere in den Übergangsbereichen von einer Viertelstunde zur nächsten Viertelstunde gewährleistet.It is therefore an object of the invention to provide a repeater clock of the type mentioned, the repeater mechanism both requires little installation space and guarantees an exact impact drive, especially in the transition areas from a quarter of an hour to the next quarter of an hour.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die mit spriralartig angeordneten Viertelstundenstufen versehene Viertelstundenstaffel drehfest mit einem koaxial angeordneten Staffelstern verbunden ist, dessen Zähnenzahl der Zahl der Viertelstunden entspricht und der von dem kontinuierlich antreibenden Uhrwerk pro Viertelstunde jeweils um einen Zahnabstand des Staffelsterns sprungartig weiterdrehbar ist. Diese Ausbildung erlaubt nicht nur einen flachen Aufbau,sondern führt durch den sprungartigen Antrieb des Staffelsterns zu einem exakten Umschalten innerhalb eines Bruchteils einer Sekunde von einer Viertelstunde zur nächsten Viertelstunde. Damit wird vom Schlagwerk immer die exakte Zeit angeschlagen.This object is achieved in that the quarter-hour scale provided with spiral-like quarter-hour stages is connected in a rotationally fixed manner to a coaxially arranged relay star, the number of teeth of which corresponds to the number of quarter-hours and which can be jumped by a tooth spacing of the relay star every quarter hour. This training not only allows a flat structure, but also leads to an exact changeover from a quarter of an hour to the next quarter of an hour within a fraction of a second due to the leaping drive of the relay star. The striking mechanism always strikes the exact time.

Zur sprunghaften Weiterschaltung ist vorzugsweise der Staffelstern von einem vom Uhrwerk drehbar antreibbaren Vorfallstern verstellbar und gegenüber dem Antrieb des Uhrwerks um einen bestimmten geringen Drehwinkel frei relativ verdrehbar, wobei ein Raster federbelastet in eine Zahnlücke des Staffelsterns ragt, an deren in Umfangsrichtung des Staffelsterns gerichteten rampenartigen Seiten die Zähne des Staffelsterns die Raste aus der Zahnlücke bewegend entlang gleiten.For step-by-step advancement, the relay star is preferably adjustable by an incident star that can be rotated by the clockwork and can be freely rotated relative to the drive of the clockwork by a certain small angle of rotation, a spring-loaded raster protruding into a tooth space of the relay star, on the ramp-like sides of which in the circumferential direction of the relay star the teeth of the relay star slide along the notch from the tooth gap.

Zur exakten Positionierung der Raste und damit auch des Staffelsterns kann die Raste am freien Ende eines um eine Achse frei schwenkbar angeordneten Rasthebels angeordnet und vorzugsweise etwa V-förmig mit einem flachen Winkel zwischen den Schenkeln des V ausgebildet sein.For exact positioning of the catch and thus also of the relay star, the catch can be arranged at the free end of a detent lever which is freely pivotable about an axis and can preferably be approximately V-shaped with a flat angle between the legs of the V.

Zum sprunghaften Antrieb des Staffelsterns kann der Vorfallstern drehfest auf einem frei drehbar gelagerten Vorfallachstumpf angeordnet sein, der von einem kontinuierlich vom Uhrwerk angetriebenen, drehbar gelagerten und zum Vorfallachstumpf koaxial angeordneten Antriebsachsstumpf drehbar antreibbar ist, wobei Vorfallachsstumpf und Antriebsachsstumpf um den bestimmten geringen Drehwinkel relativ zueinander frei um ihre Längsachse drehbar sind. Dazu können in besonders einfacher Ausbildung Vorfallachsstumpf und Antreibsachsstumpf jeweils Anschlagflächen besitzen, die nach Relativverdrehung von Vorfallachsstumpf und Antriebsachsstumpf um den bestimmten Winkel eine drehfeste Verbindung bildend aneinander anliegbar sind.For the leaping drive of the relay star, the incident star can be arranged in a rotationally fixed manner on a freely rotatably mounted incident axis stump which can be rotatably driven by a drive axis stump continuously driven by the clockwork, rotatably mounted and coaxially arranged with the incident axis stump, whereby the incident axis stump and drive axis stump are freely movable relative to one another by the determined small angle of rotation are rotatable about their longitudinal axis. For this purpose, in a particularly simple embodiment, the projecting stub and the driving stub can each have stop faces which, after the relative rotation of the stub and the driving stub by the specific angle, can be in contact with one another to form a rotationally fixed connection.

Sollen außer den Viertelstunden auch die vollen Stunden anschlagbar sein, so kann ein mit radial vorstehenden Schaltnocken versehener Stundennockenstern drehfest koaxial an dem Staffelstern angeordnet sein und ein frei drehbar gelagerter mit einer Stundenstaffel fest verbundener Stundenstaffelstern von den in die Zahnlücke des Stundenstaffelsterns eingreifenden Schaltnocken jeweils um einen Zahnabstand der Zähne des Stundenstaffelsterns sprungartig drehbar antreibbar sein, wobei die Stellung der Stundenstaffel abtastbar und entsprechend über ein Stundenschlagwerk ein Stundenhammer eine Stundentonfeder anschlagbar antreibbar sind. Diese Ausbildung ist durch Mehrfachfunktion von Bauteilen sowohl bauteilarm als auch wenig bauraumaufwendig.If, in addition to the quarter of an hour, the full hours should also be struck, an hourly cam star with radially protruding switching cams can be arranged in a rotationally fixed coaxial manner on the relay star and a freely rotating hour star star of the switching cams engaging in the tooth gap of the hour star star can be rotated one at a time Tooth spacing of the teeth of the hourly star can be driven to rotate in an abrupt manner, the position of the hourly series being palpable and correspondingly an hour hammer that can be struck by means of an hour hammer. Due to the multiple function of components, this training is both low in components and requires little installation space.

Zur geringen Bauhöhe trägt bei, wenn die Stundenstaffel mit spiralartig angeordneten Stundenstufen versehen ist und die Zähnezahl des Stundenstaffelsterns der Zahl der Stundenstufen entspricht.The low overall height contributes if the hour scale is provided with spiral hour levels and the number of teeth of the hour star corresponds to the number of hour levels.

Ragt ein Raster federbelastet in eine Zahnlücke des Stundenstaffelsterns wobei er an in Umfangsrichtung des Stundenstaffelsterns gerichteten rampenartigen Seiten die Zähne des Stundenstaffelsterns aus der Zahnlücke bewegend entlang gleiten kann, so erfolgt eine sprungartige Weiterschaltung des Stundenstaffelsterns und damit ein exaktes zeitgenaues Schalten des Schlagwerks innerhalb eines Bruchteils einer Sekunde von einer Stunde zur nächsten.If a grid projects spring-loaded into a tooth gap of the hourly star, whereby it can slide the teeth of the hourly star out of the tooth gap on ramp-like sides oriented in the circumferential direction of the hourly star, the stepwise star is jumped forward and thus an exact, timely switching of the striking mechanism within a fraction of one Second from one hour to the next.

Die exakte Positionierung des Stundenstaffelsterns wird dabei dadurch sichergestellt, daß der Raster etwa V-förmig mit einem flachen Winkel zwischen den Schenkeln des V ausgebildet ist.The exact positioning of the hourly star is ensured by the fact that the grid is approximately V-shaped with a flat angle between the legs of the V.

Sollen außer den Viertelstunden auch die Minuten exakt anschlagbar sein so kann unter Mehrfachfunktion mehrerer Bauteile der Vorfallstern drehfest mit einem koaxial angeordneten Minutenübertrager verbunden sein, der radial hervorstehende Stellarme aufweist, durch die eine Minutenstaffel verstellbar ist, wobei die Stellung der Minutenstaffel abtastbar und entsprechend über ein Minutenschlagwerk ein Minutenhammer eine Minutentonfeder anschlagbar antreibbar ist.If, in addition to the quarter of an hour, the minutes can also be precisely struck, the incident star can be connected in a rotationally fixed manner with multiple functions of several components, and it has radially protruding actuating arms by means of which a minute scale can be adjusted, whereby the position of the minute scale can be scanned and correspondingly via one Minute striking a minute hammer a minute tone spring is drivable.

Dabei wird nur ein geringer Bauraum erforderlich, wenn die Minutenstaffel ein entgegen der Kraft einer Feder um eine Schwenkachse schwenkbarer Hebel ist, der eine Stellrampe aufweist, entlang der der Stellarm die Minutenstaffel verschwenkend gleitbar ist, wobei die Gleitperiode, während der der Stellarm entlang der Stellrampe gleitbar ist, vorzugsweise eine Viertelstunde ist.Only a small installation space is required if the minute scale is a lever which can be pivoted about a pivot axis counter to the force of a spring and which has an adjusting ramp along which the actuating arm can pivotably slide the minute scale, the sliding period during which the adjusting arm moves along the adjusting ramp is slidable, preferably a quarter of an hour.

Ist der Stellarm am Ende der Gleitperiode außer Eingriff von der Stellrampe bringbar, so erfolgt zeitgenau ein Umschalten von einer Gleitperiode zur nächsten Gleitperiode innerhalb eines Bruchteils einer Sekunde.If the actuating arm can be disengaged from the actuating ramp at the end of the sliding period, it is activated at exactly the right time Switch from one floating period to the next floating period within a fraction of a second.

Da die sprungartigen Weiterbewegungen der Viertelstundenstaffel, der Stundenstaffel und der Minutenstaffel gemeinsam durch ein einziges Bauteil, nämlich durch den Vorfallstern, auslösbar sind, sind diese Bewegungen aufs höchste aufeinander abgestimmt, sodaß nur die einander zugeordneten Stunden-, Viertelstunden- und Minutenperioden anschlagbar sind.Since the sudden further movements of the quarter-hour series, the hour series and the minute series can be triggered together by a single component, namely by the incident star, these movements are coordinated with one another to the highest degree, so that only the hours, quarter-hour and minute periods assigned to one another can be struck.

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

Figur 1
eine Draufsicht auf ein Repetitionswerk einer Repetitionsuhr
Figur 2
eine Draufsicht auf die Baugruppe Aufzugshebel, Federhaus, Stundenstaffel der Uhr nach Figur 1
Figur 3
eine Draufsicht auf die Baugruppe Stundenstaffel Viertelstundenstaffel, Minutenstaffel, Vorfallstern, Minutenübertrager der Uhr nach Figur 1
Figur 4
eine Draufsicht auf die Baugruppe Staffelstern, Minutenstaffel, Vorfallstern, Minutenübertrager der Uhr nach Figur 1
Figur 5
eine Ansicht des vergrößerten Ausschnitts "A" aus Figur 4
Figur 6
eine Ansicht des Stundennockensterns der Uhr nach Figur 1
Figur 7
einen Querschnitt der Uhr nach Figur 1 im Bereich von Vorfall- und Antriebsachsstumpf
Figur 8
eine Draufsicht auf Vorfall- und Antriebsachsstumpf nach Figur 7
Figur 9
eine Draufsicht einer Baugruppe Stunden/Viertelstundenrechen, Viertelverteiler, Viertelstundenstaffel der Uhr nach Figur 1
Figur 10
eine Draufsicht der Baugruppe Viertelstundenstaffel, Staffelstern, Stundennockenstern der Uhr nach Figur 1
Figur 11
die Baugruppe nach Figur 10 im Querschnitt
An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it
Figure 1
a plan view of a repeater movement of a repeater watch
Figure 2
a plan view of the assembly lever, barrel, hourly scale of the clock of Figure 1
Figure 3
a plan view of the assembly hourly relay, quarter-hour relay, minute relay, incident star, minute transmitter of the clock according to FIG. 1
Figure 4
a plan view of the assembly star relay, minute series, incident star, minute transmitter of the clock of Figure 1
Figure 5
a view of the enlarged section "A" of Figure 4
Figure 6
a view of the hourly cam star of the clock of Figure 1
Figure 7
a cross section of the clock of Figure 1 in the area of the stub and drive axle
Figure 8
a plan view of the incident and drive axle stump according to FIG. 7
Figure 9
a plan view of an assembly hour / quarter hour rake, quarter distributor, quarter hour scale of the clock of Figure 1
Figure 10
a plan view of the assembly quarter-hour scale, relay star, hour cam star of the clock of Figure 1
Figure 11
the assembly of Figure 10 in cross section

Die dargestellte Repetieruhr besitzt einen Aufzugshebel 1, der um eine Achse 2 durch manuelle Beaufschlagung eines Nockens 3 so weit entgegen dem Uhrzeigersinn schwenkbar ist, bis er mit einem Anschlagstift 4 an einer Stundenstaffel 5 zur Anlage kommt. Die Stundenstaffel 5 ist drehbar gelagert und mit zwölf gleichmäßig am Umfang verteilten Stundenstufen versehen, die spiralartig ansteigende Höhe besitzen. Der Aufzugshebel 1 besitzt einen zur Achse 2 konzentrischen Zahnsektor 7, der in ein Aufzugstriebrad 8 eingreift. Das Aufzugstriebrad 8 ist drehfest auf einer drehbaren Federkernachse 9 angeordnet, an der wiederum das eine Ende einer spiralförmigen, die Federkernachse 9 umschließenden Zugfeder 10 befestigt ist. Das andere Ende der Zugfeder 10 ist mit einem feststehenden Federhaus 11 verbunden. Durch Verschwenken des Aufzugshebels 1 wird die Zugfeder 10 abhängig von der Stellung der Stundenstaffel 5 mehr oder weniger gespannt und treibt bei Entspannung einen auf der Federkernachse 9 angeordneten Stunden/Viertelstundenrechen 12 drehbar an.The repeater watch shown has an elevator lever 1 which can be pivoted counterclockwise about an axis 2 by manual loading of a cam 3 until it comes into contact with an hourly scale 5 with a stop pin 4. The hourly scale 5 is rotatably mounted and provided with twelve hourly steps, evenly distributed around the circumference, which have a spiraling height. The elevator lever 1 has a tooth sector 7 which is concentric with the axis 2 and which engages in an elevator drive wheel 8. The elevator drive wheel 8 is arranged in a rotationally fixed manner on a rotatable spring core axis 9, to which in turn the one end of a spiral tension spring 10 which surrounds the spring core axis 9 is fastened. The other end of the tension spring 10 is connected to a fixed barrel 11. By pivoting the elevator lever 1, the tension spring 10 is more or less tensioned depending on the position of the hourly scale 5 and, when relaxed, drives an hourly / quarter-hour rake 12 arranged on the spring core axis 9 in a rotatable manner.

Von den Zähnen des Stunden/Viertelstundenrechens 12 ist ein Stundenschöpfer 13 sowie ein Viertelstundenschöpfer 14 schwenkbar antreibbar.From the teeth of the hour / quarter hour calculator 12, an hourly scoop 13 and a quarterly scoop 14 can be driven in a pivotable manner.

Der Stundenschöpfer 13 treibt dadurch über einen schwenkbaren Zwischenhebel 15 einen ebenfalls schwenkbaren Stundenhammerhebel 16 derart an, daß dieser sich mit seinem Stundenhammer 17 entgegen der Kraft einer Feder 18 von einer Stundentonfeder 19 wegbewegt. Nach Überrasten des Stundenschöpfers 13 über einen Zahn des Stundenrechens 12 wird der Stundenhammer 17 mit Schwung gegen die Stundentonfeder 19 bewegt und erzeugt einen Ton.The hour creator 13 thereby drives a likewise pivotable hour hammer lever 16 via a pivotable intermediate lever 15 in such a way that it moves away from an hourly tone spring 19 with its hour hammer 17 against the force of a spring 18. After the hour scoop 13 has been locked over a tooth of the hour calculator 12, the hour hammer 17 is moved with momentum against the hour tone spring 19 and generates a tone.

Auf die gleiche Weise wird durch den Viertelstundenschöpfer 14 über einen Zwischenhebel 20 und einen Viertelstundenhammerhebel 21 ein Viertelstundenhammer 22 von einer Viertelstundentonfeder 23 entgegen der Kraft einer Feder 24 abgehoben. Bei Überrasten des Viertelstundenschöpfers 14 über einen Zahn des Viertelstundenrechens 12 erfolgt ein Anschlagen der Viertelstundentonfeder 23 durch den Viertelstundenhammer 22, wodurch ein Ton anderer Frequenz als der Stundentonfeder 19 erzeugt wird.In the same way, a quarter-hour hammer 22 is lifted by a quarter-hour spring 23 against the force of a spring 24 by the quarter-hour creator 14 via an intermediate lever 20 and a quarter-hour hammer lever 21. When the quarter-hour scoop 14 snaps over a tooth of the quarter-hour calculator 12, the quarter-hour tone spring 23 strikes through the quarter-hour hammer 22, as a result of which a tone of a different frequency than the hour-tone tone spring 19 is generated.

Um die gleiche Achse wie der Viertelstundenschöpfer 14 ist auch ein Minutenschöpfer 25 schwenkbar, durch den ebenfalls der Zwischenhebel 20 und der Viertelstundenhammerhebel 21 bewegbar antreibbar und vom Viertelstundenhammer 22 ein Ton erzeugbar ist. Schwenkbar antreibbar ist der Minutenschöpfer 25 durch einen Minutenrechen 26, der um eine Achse 27 schwenkbar ist.A minute scraper 25 can also be pivoted about the same axis as the quarter hour scoop 14, through which the intermediate lever 20 and the quarter hour hammer lever 21 can also be moved and a sound can be generated by the quarter hour hammer 22. The minute creator 25 can be pivotally driven by a minute rake 26 which is pivotable about an axis 27.

Der Stunden/Viertelstundenrechen 12 besitzt im Uhrzeigersinn hintereinander eine Zahnreihe von zwölf Stundenzähnen, eine erste Zahnreihe mit drei Viertelstundenzähnen und eine zweite Zahnreihe mit drei Viertelstundenzähnen. Dabei kommen mit dem Stundenschöpfer 13 die Stundenzähne und die erste Zahnreihe der Viertelstundenzähne und mit dem Viertelstundenschöpfer 14 die zweite Zahnreihe der Viertelstundenzähne im Eingriff. Dies bedeutet, daß die Viertelstunden einen Anschlag beider Tonfedern 19 und 23 erzeugen.The hour / quarter hour rake 12 has a row of teeth of twelve hour teeth in a clockwise direction, a first row of teeth with three quarter hour teeth and a second row of teeth with three quarter hour teeth. Here the hour teeth 13 and the first row of teeth of the quarter hour teeth come into engagement with the hour creator 13 and the second row of teeth of the quarter hour teeth with the quarter hour creator 14. This means that the quarter hours produce a stroke of both gongs 19 and 23.

Je nachdem, ob der Stunden/Viertelstundenrechen 12 beim Entspannen der Zugfeder 10 nach dem Vorbeibewegen der Stundenzähne am Stundenschöpfer 13 mehr oder weniger entgegen dem Uhrzeigersinn weitergedreht wird, werden mehr oder weniger Viertelstunden angeschlagen. Dieses Maß der weiteren Drehbewegung wird durch einen um eine Achse 28 schwenkbaren Viertelverteiler 29 bestimmt, der je nach Schwenkstellung die Drehbewegung des Stunden/Viertelstundenrechens 12 früher oder später abbricht, indem ein Auskupplerfinger 30 des Stunden/Viertelstundenrechens 12 in eine der jeweiligen Viertelstunde zugeordnete Hakenausnehmung 31 des Viertelverteilers 29 eingreift.Depending on whether the hour / quarter hour rake 12 is more or less turned counterclockwise when the tension spring 10 is released after the hour teeth have moved past the hour creator 13, more or less quarter hours are struck. This measure of the further rotary movement is determined by a quarter distributor 29 which can be pivoted about an axis 28 and which, depending on the pivoted position, interrupts the rotary movement of the hour / quarter hour calculation 12 sooner or later by a decoupler finger 30 of the hour / quarter hour calculation 12 in a hook recess 31 assigned to the respective quarter hour of the quarter distributor 29 engages.

Die Schwenkstellung des Viertelverteilers 29 wird dadurch bestimmt, daß er mit einem an dem freien Ende seines Tastarms 32 angeordneten Taster 33 eine Viertelstundenstaffel 34 abtastet. Die Viertelstundenstaffel 34 ist um eine Achse 35 mit einer Umdrehung pro drei Stunden drehbar angetrieben. Sie besitzt gleichmäßig verteilt drei spiralartig ansteigende Staffeln 36, die jeweils vier Stufen besitzen, die das Maß der Schwenkbewegung des Viertelverteilers 29 bestimmen.The pivot position of the quarter distributor 29 is determined in that it scans a quarter hour scale 34 with a button 33 arranged at the free end of its probe arm 32. The quarter-hour scale 34 is rotatably driven about an axis 35 with one revolution per three hours. It has evenly distributed three spirally rising seasons 36, each having four stages, which determine the degree of pivoting movement of the quarter distributor 29.

Drehfest mit der Viertelstundenstaffel 34 sind auf der Achse 35 weiterhin ein Staffelstern 37 mit zwölf Zähnen sowie ein Stundennockenstern 38 mit drei radial hervorstehenden Nocken 39 angeordnet. Durch die Nocken 39 des Stundennockensterns 38 ist ein drehfest mit der Stundenstaffel 5 verbundener Stundenstaffelstern 40 verbunden, der zwölf Zähne besitzt, von denen je einer einer Stufe der Stundenstaffel 5 zugeordnet ist und diese mit einer Umdrehung pro 12 Stunden antreibt.A relay star 37 with twelve teeth and an hourly cam star 38 with three radially protruding cams 39 are also arranged on the axis 35 in a rotationally fixed manner with the quarter-hour relay 34. Due to the cams 39 of the hourly cam star 38, a rotation is fixed with the hourly scale 5 connected hourly series star 40, which has twelve teeth, one of which is assigned to a step of the hourly series 5 and drives it with one revolution per 12 hours.

Der Staffelstern 37 ist durch die radialen Arme 41 eines von dem Uhrwerk der Repetitionsuhr mit einer Umdrehung pro 1,5 Stunden entgegen dem Uhrzeigersinn angetriebenen Vorfallstern 42 drehbar antreibbar. Dabei besitzt der Vorfallstern 42 sechs Arme. Durch die rampenartigen freien Enden der Arme 41 wird so jede Viertelstunde der Staffelstern 37 um eine Zahnbreite weitergedreht. Damit diese Bewegung trotz kontinuierlich antreibendem Uhrwerk sprungartig erfolgen kann, wird zum einen der Staffelstern 37 durch eine V-förmige Raste 43 in einer Viertelstundenposition gehalten. Dabei greift die am freien Ende eines um eine Achse 44 schwenkbaren Rasthebels 45 angeordnete Raste 43 unter der Beaufschlagung durch eine Feder 46 in eine Zahnlücke des Staffelsterns 37 ein. Zum sprungartigen Antrieb ist weiterhin die Achse, auf der der Vorfallstern 42 fest angeordnet ist, zweiteilig ausgebildet. Diese Achse besteht aus einem frei drehbar gelagerten Vorfallachsstumpf 47 mit dem der Vorfallstern 42 fest verbunden ist. Koaxial zum Vorfallachsstumpf 47 ist ein Antriebsachsstumpf 48 drehbar gelagert, der ein Antriebsrad 49 trägt, das von dem nicht dargestellten Uhrwerk kontinuierlich angetrieben wird. Die einander zugewandten Enden von Vorfallachsstumpf 47 und Antriebsachsstumpf 48 besitzen auf gleicher Ebene jeweils sich zugewandte Anschlagflächen 50, die in Umfangsrichtung so viel Spiel 51 zueinander haben, daß eine Relativverdrehung um 8° möglich ist.The relay star 37 can be rotatably driven by the radial arms 41 of an incident star 42 which is driven counterclockwise by the clockwork of the repeater clock at one revolution per 1.5 hours. The incident star 42 has six arms. Due to the ramp-like free ends of the arms 41, every quarter hour of the relay star 37 is rotated further by one tooth width. So that this movement can take place suddenly despite the continuously driving clockwork, the relay star 37 is held in a quarter-hour position by a V-shaped catch 43. In this case, the detent 43, which is arranged on the free end of a locking lever 45 which can be pivoted about an axis 44, engages in a tooth gap of the relay star 37 under the action of a spring 46. For the abrupt drive, the axis on which the incident star 42 is arranged is also formed in two parts. This axis consists of a freely rotatable stub axle 47 with which the stub 42 is firmly connected. A drive axle stub 48 is rotatably mounted coaxially to the trailing axle stub 47 and carries a drive wheel 49 which is continuously driven by the clockwork, not shown. The mutually facing ends of the retractable stub 47 and the drive stub 48 each have facing stop surfaces 50 on the same level, which have so much play 51 in the circumferential direction that a relative rotation of 8 ° is possible.

Dieses Spiel führt dazu, daß nach einem Weiterbewegen des Staffelsterns 37 durch das freie Ende eines Arms 41 des Vorfallsterns 42 dieser um 8° frei weiterdrehbar ist.This game leads to the fact that after a further movement of the relay star 37 by the free end of an arm 41 of the incident star 42, the latter can be freely rotated by 8 °.

Dadurch kann auch der Staffelstern 37 um dieses Maß frei weiterdrehen, was dadurch bewirkt wird, daß die vorher durch den Drehantrieb des Staffelsterns 37 aus ihrer Zahnlücke entgegen der Kraft der Feder 46 herausgeglittene Raste 43 durch die Feder 46 bis in die tiefste Lage der nächsten Zahnlücke des Staffelsterns 37 gedrückt wird. Der Staffelstern 37 dreht somit nur am Ende einer Viertelstunde sich sprungartig um eine Zahnbreite weiter.As a result, the relay star 37 can continue to rotate freely by this amount, which is caused by the fact that the detent 43, which had previously slid out of its tooth space against the force of the spring 46 due to the rotary drive of the relay star 37, has reached the deepest position of the next tooth gap by the spring 46 of the star 37 is pressed. The relay star 37 thus only jumps by one tooth width at the end of a quarter of an hour.

Konzentrisch zur an einer Platine 53 angeordneten Lagerbuchse 52 für den Vorfallachsstumpf 47 ist diese umschließend eine Minutenrechenbuchse 54 drehbar gelagert, die die Achse 27 bildet und an der der Minutenrechen 26 angeordnet ist.Concentrically to the bearing bush 52 for the trailing axle stub 47 arranged on a plate 53, the latter is rotatably mounted around a minute rake bush 54 which forms the axis 27 and on which the minute rake 26 is arranged.

Durch den sprunghaften Antrieb des Staffelsterns 37 wird auch der Stundennockenstern 38 sprunghaft gedreht. Dies führt dazu, daß das Weiterdrehen des Stundenstaffelsterns 40 ebenfalls sprunghaft erfolgt, wobei eine federbelastete V-förmige Raste 55 auf die gleiche Weise in eine Zahnlücke des Stundenstaffelsterns 40 eingreift und wirkt, wie die Raste 43 beim Staffelstern 37.Due to the sudden drive of the relay star 37, the hourly cam star 38 is also rotated by leaps and bounds. This leads to the further rotation of the hour star 40 also takes place suddenly, a spring-loaded V-shaped catch 55 engaging and acting in the same way in a tooth gap of the hour star 40 and acting as the catch 43 in the season star 37.

Drehfest und koaxial mit dem Vorfallstern 42 ist ein Minutenübertrager 56 verbunden, der sechs radial hervorstehende Stellarme 57 aufweist. Jeweils ein freies Ende eines Stellarms 57 gleitet an einer ansteigenden Stellrampe 58 einer Minutenstaffel 59 entlang und verschwenkt diese entgegen einer Federkraft um eine Schwenkachse 60. Die Minutenstaffel 59 besitzt eine Zahnreihe 61 mit fünfzehn Zähnen, die von einem Taster 62 des Minutenrechens 26 abtastbar ist und diesen auf die momentane Minutenstellung innerhalb einer Viertelstunde verschwenken läßt.A minute transmitter 56, which has six radially protruding actuating arms 57, is connected in a rotationally fixed and coaxial manner to the incident star 42. One free end of an actuating arm 57 slides along a rising adjusting ramp 58 along a minute scale 59 and pivots it against a spring force about a pivot axis 60. The minute scale 59 has a row of teeth 61 with fifteen teeth which can be scanned by a button 62 of the minute calculator 26 and swings it to the current minute position within a quarter of an hour.

Eine Gleitperiode eines Stellarms 57 entlang der Stellrampe 58 beträgt eine Viertelstunde. Der Stellarm 57 kommt am Ende der Viertelstunde sprungartig außer Eingriff von der Stellrampe 58 und ermöglicht ein Zurückschwenken der Minutenstaffel 59 dadurch, daß auch der mit dem Minutenübertrager 56 fest verbundene Vorfallstern 45 am Ende einer Viertelstunde sich sprungartig um 8° vorwärts dreht.A sliding period of an actuating arm 57 along the actuating ramp 58 is a quarter of an hour. The actuating arm 57 suddenly disengages from the actuating ramp 58 at the end of the quarter hour and enables the minute series 59 to be pivoted back by the fact that the incident star 45, which is firmly connected to the minute transmitter 56, suddenly rotates forward by 8 ° at the end of a quarter of an hour.

Claims (14)

  1. A repeater watch with a quarter hour striking mechanism which can be driven by a quarter hour rack (12), by means of which striking mechanism a quarter hour chimer gong (23) can be driven, which can be struck by a quarter hour hammer (22), wherein the number of quarter hours to be struck can be determined by the pivotal setting of a quarter distributor (29) which can pivot about a swivel pin (60), wherein the position of a quarter hour graded scale (34) which can be rotationally driven by a watch mechanism can be detected from the quarter distributor by means of callipers (33), characterised in that the quarter hour graded scale (34), which is provided with quarter hour steps arranged in the form of a spiral, is attached rotationally fixed to a coaxially disposed graded scale star wheel (37), the number of teeth of which corresponds to the number of quarter hour steps and which can be further rotated in jumps by one tooth gap of the graded scale star wheel (37) per quarter hour each time by the continuously driving watch mechanism.
  2. A repeater watch according to claim 1, characterised in that the graded scale star wheel (37) can be adjusted by means of a primary star wheel (42), which can be rotatably driven by the watch mechanism, and the graded scale star wheel is freely relatively rotatable by a given small angle of rotation in relation to the drive of the watch mechanism, wherein a catch (43) projects under spring pressure into a tooth space of the graded scale star wheel (37), wherein the teeth of the graded scale star wheel (37) slide along the ramp-like sides of the catch, which are directed along the circumference of the graded scale star wheel (37), moving the catch (43) out of the tooth space.
  3. A repeater watch according to claim 2, characterised in that the catch (43) is disposed at the free end of a catch lever (45) which can pivot freely about a pin (44).
  4. A repeater watch according to claim 2, characterised in that the catch (43) is constructed approximately V-shaped with a flat angle between the limbs of the V.
  5. A repeater watch according to claim 2, characterised in that the primary star wheel (42) is disposed rotationally fixed on a freely rotatably mounted primary axle pin (47) which can be rotatably driven by a drive axle pin (48), which is rotatably mounted, continuously driven by the watch mechanism, and disposed coaxially with the primary axle pin (47), wherein the primary axle pin (47) and the drive axle pin (48) can be freely rotated in relation to each other about their longitudinal axis by the given small angle of rotation (51).
  6. A repeater watch according to claim 5, characterised in that the primary axle pin (47) and the drive axle pin (48) each have stop faces (50) which can be seated closely against each other to form a rotationally fixed attachment after the relative rotation of the primary axle pin (47) and the drive axle pin (48) by the given angle (51).
  7. A repeater watch according to any one of the preceding claims, characterised in that an hour cam star wheel (38) provided with radially projecting trip cams (39) is disposed coaxially and rotationally fixed in relation to the graded scale star wheel (37), and that a freely rotatably mounted graded hour scale star wheel (40) attached fixed to a graded hour scale (5) can be driven in jumps, by one tooth spacing of the teeth of the graded hour scale star wheel (40) each time, by the trip cams (39) engaging in the tooth spaces of the graded hour scale star wheel (40), wherein the position of the graded hour scale (5) can be detected and an hour chimer gong (19) can correspondingly be struck by an hour hammer (17) which can be driven by an hour striking mechanism.
  8. A repeater watch according to claim 7, characterised in that the graded hour scale (5) is provided with hourly steps arranged in the form of a spiral and the number of teeth of the graded hour scale star wheel (40) corresponds to the number of hourly steps.
  9. A repeater watch according to claim 7, characterised in that a catch (55) projects under spring pressure into a tooth space of the graded hour scale star wheel (40), wherein the teeth of the graded hour scale star wheel (40) slide along the ramp-like sides of the catch, which are directed along the circumference of the graded hour scale star wheel (40), moving the catch (55) out of the tooth space.
  10. A repeater watch according to claim 9, characterised in that the catch (55) is constructed approximately V-shaped with a flat angle between the limbs of the V.
  11. A repeater watch according to any one of the preceding claims, characterised in that the primary star wheel (42) is attached rotationally fixed to a coaxially disposed minute transmitter (56) which has radially projecting adjusting arms (57) by means of which a graded minute scale (59) can be adjusted, wherein the position of the graded minute scale (59) can be detected and a minute chimer gong can be correspondingly struck by a minute hammer which can be driven by a minute striking mechanism.
  12. A repeater watch according to claim 11, characterised in that the graded minute scale (59) is a lever which can pivot against the force of a spring about a pivot pin (60), wherein the lever has an adjusting ramp (58) along which the adjusting arm (57) can slide, thus swivelling the graded minute scale (59).
  13. A repeater watch according to claim 12, characterised in that the sliding period during which the adjusting arm (57) can slide along the adjusting ramp (58) is a quarter of an hour.
  14. A repeater watch according to claim 13, characterised in that the adjusting arm (57) can be brought out of engagement with the adjusting ramp (58) at the end of the sliding period.
EP90122016A 1990-04-13 1990-11-17 Repeating watch Expired - Lifetime EP0451337B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4012012 1990-04-13
DE4012012A DE4012012A1 (en) 1990-04-13 1990-04-13 REPEATING WATCH

Publications (2)

Publication Number Publication Date
EP0451337A1 EP0451337A1 (en) 1991-10-16
EP0451337B1 true EP0451337B1 (en) 1993-07-21

Family

ID=6404371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90122016A Expired - Lifetime EP0451337B1 (en) 1990-04-13 1990-11-17 Repeating watch

Country Status (2)

Country Link
EP (1) EP0451337B1 (en)
DE (2) DE4012012A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH7905A (en) * 1894-01-27 1894-07-31 Le Coultre & Cie Simplified minute repeater mechanism mounted on a simple watch movement
CH44390A (en) * 1908-05-27 1909-08-02 R Picard & Cie Fabrique Invict Repeater mechanism for timepieces
DE2720522C3 (en) * 1977-05-06 1980-02-07 Yarden Medical Engineering Ltd., Haifa (Israel) Device for adjusting the flow of a liquid

Also Published As

Publication number Publication date
EP0451337A1 (en) 1991-10-16
DE59002037D1 (en) 1993-09-02
DE4012012A1 (en) 1991-10-17

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