EP0515607B1 - Armbanduhr - Google Patents

Armbanduhr Download PDF

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Publication number
EP0515607B1
EP0515607B1 EP92900233A EP92900233A EP0515607B1 EP 0515607 B1 EP0515607 B1 EP 0515607B1 EP 92900233 A EP92900233 A EP 92900233A EP 92900233 A EP92900233 A EP 92900233A EP 0515607 B1 EP0515607 B1 EP 0515607B1
Authority
EP
European Patent Office
Prior art keywords
disc
date
numbers
rotating disc
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92900233A
Other languages
English (en)
French (fr)
Other versions
EP0515607A1 (de
Inventor
René Besson
Frank Gilbert Vernay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolex SA
Original Assignee
Montres Rolex SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Montres Rolex SA filed Critical Montres Rolex SA
Publication of EP0515607A1 publication Critical patent/EP0515607A1/de
Application granted granted Critical
Publication of EP0515607B1 publication Critical patent/EP0515607B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped

Definitions

  • the present invention relates to a watch of the wristwatch type comprising means for displaying the date by making it appear in a single window arranged in the dial of the watch, and a single rotating disc carrying at least a first series of numbers corresponding to a part of the thirty-one dates and at least one second series of numbers corresponding to the remaining dates, these two series of numbers being arranged on at least two concentric circles
  • date display devices are equipped with appropriate correction means.
  • one of the three positions of the time-setting rod allows this correction of the date.
  • the wearer corrects the date until the correct value is displayed. Then, in normal operation, the watch moves the hand or the disc one step forward at midnight each day, so that the correct date is always displayed. In the case of months that do not have thirty-one days, the wearer of the watch makes the necessary correction himself.
  • the arrangement of thirty-one numbers on a date indication ring fixes the height of the numbers at a size corresponding to a thirty-first of the circumference of the ring which, for a given radius, results in a theoretical height limit of the figures.
  • This height limitation has been more or less well circumvented by optical devices such as the addition of a magnifying lens on the watch glass.
  • the present invention proposes to overcome the drawbacks mentioned above by providing a watch whose date display is effective, that is to say clearly visible and secure and whose management of the perpetual calendar is automatic.
  • the watch according to the invention is characterized in that it comprises a drive mechanism for this rotary disc arranged to selectively and automatically bring the numbers of the first and of the second series in correspondence with said window, in generating either a rotational displacement of the disc, or a radial displacement of this disc, or a displacement which is a combination of a rotational displacement and a radial displacement.
  • one of the concentric circles carries fifteen even numbers arranged in the order 2-24-14-4-26-16-6-28-18- 8-30-20-10-22-12 and the other concentric circle carries sixteen odd numbers in the order 1-23-13-3-25-15-5-27-17-7-29-19-9-31-21-11 , the passage of one calendar to the next calendar corresponding to the rotation of the rotary disc of three thirty second of a turn.
  • one of the concentric circles carries n numbers arranged in continuous chronological order and the other circle carries the following 31-n other numbers, also arranged in continuous chronological order.
  • the drive mechanism of the rotary disc comprises a motor to drive it in rotation about its axis and a device for translational movement to move its axis from a first to a second position and vice versa, the displacement of the axis being determined by the distance between the two concentric circles.
  • the translational movement device comprises a circular sector pivoting around a fixed axis and carrying the rotary disc, and a motor arranged to pivot said sector around its fixed axis.
  • the drive mechanism of the rotary disc may advantageously include an eccentric driven by a motor arranged to rotate it by half a turn at each step of the rotary disc, and two jumper rings, substantially diametrically opposed, arranged to cooperate with the teeth of 'a date star coupled to said rotary disc, to advance this disc by one step at each half-turn of said eccentric.
  • the drive mechanism of the rotary disc may comprise an internally toothed wheel of seventeen teeth and an externally toothed wheel of sixteen teeth arranged to roll inside the first, this externally toothed wheel, called star of the calendar, being linked to the rotary disc to drive it simultaneously in rotation and to move its axis in translation or also an internally toothed wheel of nineteen teeth and an externally toothed wheel, called star of the calendar, of sixteen teeth arranged to roll inside the first, this externally toothed wheel being linked to the rotary disc to drive it simultaneously in rotation and to move its axis in translation.
  • the dial 10 of a watch which is the subject of this application is schematically represented by a circle and includes a window 11 in which appears a date 12 which is, in FIG. 1, the twentieth day of the month and, in Figure 2, the twenty-first day of this month.
  • dates are recorded on a rotating disc or ring 13 called the date disc which carries the numbers one to thirty and one corresponding to the maximum numbers of days that there are in a month.
  • these calendars include two series of numbers which are arranged on two concentric circles.
  • the first series 14 is made up of sixteen odd numbers from one to thirty-one placed in chronological order and occupies the outer circle.
  • the second series 15 consists of fifteen even numbers from 2 to 30 also placed in chronological order and occupies the inner circle.
  • An empty space 16, between 2 and 30 completes the second series 15 so that the number of steps to be taken to return to the initial position on each of the two concentric circles is the same and equal to sixteen.
  • the numbers of the inner circle are arranged on spokes of the disc 13 passing through the middle of the interval between two numbers of the outer circle.
  • the number 2 is between 1 and 3 , the 4 between 3 and 5 , the 6 between 5 and 7 , and so on. Thanks to this arrangement, the chronological sequence of the calendars is formed by numbers taken alternately on the two circles, the passage from one calendar to the next corresponding to a rotation of the disc by one thirty second of a turn.
  • This arrangement of the dates is advantageous compared to a conventional arrangement where the numbers follow one another on the same circle, in that it makes it possible to considerably enlarge the dimension of these numbers without increasing the external bulk of the disc of the dates and consequently of the watch.
  • it also imposes constraints on the fact that it is necessary to superimpose on the conventional rotational movement of the date disc a movement of radial translation in order to bring the dates chronologically opposite the window. This amounts to moving the axis of rotation of the date disc from a position M to a position M ′ and vice versa.
  • the watch the movement of which is partially represented seen in section in FIG. 3, comprises the dial 10 with its aperture 11 and the rotating disc of the dates 13 which is represented in a first position corresponding to that which it occupies in FIG. in section, and in a second position 13 ′, shown in broken lines, corresponding to the position it occupies in FIG. 1.
  • the mechanism for driving this date disc consists of a date star 20 comprising a peripheral toothing 21 arranged to cooperate with a jumper 22.
  • the jumper 22 is shown in solid lines in its rest position and in broken lines in a working position where it bears the reference 22 ′ and in which it engages with the teeth 21 ′ of the date star 20, when it is in an offset position which corresponds to the offset position 13 ′ of the disc of the dates 13.
  • the star of the dates 20 comprises a central recess 23, circular, in which is engaged an eccentric 24 which is integral with the central axis 25 of the movement.
  • This central axis carrying the eccentric 24 is integral with a wheel 26 centered on the axis 25 and is engaged by means of teeth 27 with a pinion 28 carried by an axis 29 on which is mounted a wheel 30 which is itself even in engagement by means of a toothing 31 with a pinion 32 integral with a wheel 33.
  • This wheel 33 has a toothing 34 which meshes with a pinion 35 mounted on an axis 36 carrying a rotor 37 associated with a stepping motor 38 Therefore, the kinematic chain intended to ensure the movement of the rotary disc of the date passes from the rotor 37 to the star of the date 20 via a number of wheels and pinions, and the eccentric 24 , to ensure the displacement in radial translation of the date disc from its position 13 to its position 13 ′ and vice versa.
  • This kinematic chain could be simplified as shown in FIG. 4.
  • the date disc 13 which is made integral with the date star 20, the eccentric 24, the central axis 25 of the movement, and the wheel 26 which, in this case, is directly engaged with an endless screw 40 driven by an electric motor 41.
  • Two jumpers 22 and 42 one of which is armed and the other at rest (in the position represented by the figure) are intended to index alternately the successive positions of the date star and, consequently, of the rotating date disc.
  • the motor control circuit 41 is schematically represented by a rectangle 43 to which is connected a contactor 44 arranged to cooperate with a protuberance 45 of the date disc to form a device for locating or detecting the position of this disc.
  • the closing of the contact corresponds to the transmission of information to the electronic circuit 43.
  • the electronic circuit can for example be arranged to interpret this information as an order given to the motor to jump a step corresponding to the empty range (sixteenth position on the circle inside) to go back to the next step corresponding to the number one on the outside circle.
  • FIGS. 5 and 6 illustrate the movement of the date star in a direction represented by the arrow A which corresponds to the direction of movement of the clock hands
  • FIGS. 7 and 8 illustrate this movement in the direction of arrow B which corresponds to movement in the opposite direction to that of clockwise.
  • the eccentric 24 is shown in solid lines in its initial position, in broken lines in its intermediate position 24 ⁇ , and in dotted lines in its final position 24 ⁇ . These three positions correspond to three successive positions 20, 20 ⁇ and 20 ′ of the date star.
  • the jumper 22 successively occupies the three positions 22, 22 ⁇ and 22 ′.
  • the trajectory of the top of a tooth of the wheel 20, on the side of the jumper 22 ′, plotted in dotted lines, is represented by the curve 50.
  • the jumper 42 successively occupies the position 42, the intermediate position 42 ⁇ and the final position 42 ′.
  • the trajectory traversed by the top of the corresponding tooth of the star 20 is the curve 51 drawn in dotted lines.
  • the movement represented by FIG. 5 corresponds to a half-turn of the central axis 25, which corresponds to the displacement of one step of the date disc and to an incrementation of the date appearing in the window of the dial.
  • a new incrementation of the date corresponds to the movement illustrated in FIG. 6, this movement corresponding to the displacement of a half-turn of the central axis 25 in the direction of arrow A.
  • the eccentric returns from position 24 ′ in the position 24 passing through an intermediate position 24 ⁇ .
  • the necklaces return respectively from positions 22 ′ and 42 ′ to positions 22 and 42.
  • the movement illustrated in FIG. 5 makes it possible to go from an odd calendar positioned on the outside circle to the next even calendar positioned in the inside circle, the date disc having made a thirty-second turn and a movement in translation from left to right.
  • the displacement represented by FIG. 6 makes it possible to pass from an even calendar positioned on the inner circle to the next odd calendar positioned on the outer circle, this date disc having rotated one thirty-second turn in the direction of clockwise and a radial translation from right to left.
  • the displacements illustrated respectively in FIGS. 7 and 8 are intended to make it possible to decrease the dates.
  • the displacement illustrated in FIG. 7 combines a rotation of the date disc by a thirty-second of a turn anticlockwise and a radial translation from right to left, which makes it possible to go from one even calendar positioned on the inner circle to the previous odd calendar positioned on the outer circle.
  • the movement illustrated in FIG. 8 makes it possible to pass from the odd calendar to the previous even calendar by rotating the date disc by a thirty-second of a turn in the opposite direction to that of the needles of a watch and by superimposing on this movement a displacement in radial transition from left to right.
  • the jumpers are replaced by a wheel 60 secured to the plate P of the watch and carrying an internal toothing 61.
  • This internal toothing 61 has seventeen teeth and cooperates with the external toothing 21 of the date star 20 which has sixteen teeth and which remains, as previously, integral with the date disc 13.
  • each rotation of a half-turn of the eccentric generates a displacement in the center direction of movement-center of the window or vice versa and simultaneously rotation of the date star by a thirty-second of a turn.
  • This mechanism is shown in plan view in FIG. 10, with a variant for the sake of simplification of the drawing: the direct drive of the wheel 26 carrying the eccentric by a worm 40 and a motor 41 which receives pulses of control of an electronic circuit 43.
  • a position detector device is composed as above of a contactor 44 and a protuberance 45, formed at the periphery of the date disc 13.
  • FIGS. 11 and 12 Another distribution of the dates on the date disc 13 is represented by FIGS. 11 and 12. This new distribution differs from that represented by FIGS. 1 and 2 in that the dates arranged on the outer circle (odd in the example shown) , but which could be even) and the dates on the inner circle (even in the example shown, but which could be odd) are no longer placed chronologically. Indeed, the dates of the outer circle are in the order 1-23-13-3-25-15-5- 27-17-7-29-19-9-31-21-11 and the dates of the inner circle in order 2-24-14-4-26-16-6-28-18-8-30-20-10 - 22-12.
  • An empty space 16 is provided, as in the embodiment of FIGS. 1 and 2, in the inner circle series. This space is between 10 and 22 .
  • the chronological sequence of the dates is formed by numbers taken alternately on the two circles.
  • the internal toothing 61 of the wheel 60 will have nineteen teeth, so that with each half-turn of the eccentric, the date star will advance by three thirty second turns.
  • the interlocking tooth mechanism is particularly elegant and easy to make. However, construction with jumps as shown in Figure 4 is also possible.
  • FIGS. 13 and 14 provides for a distribution of the calendars on the disc 13 which is substantially different from that which has been described above.
  • the dates are arranged on two concentric circles 14 and 15 respectively, but the inner circle 15 carries for example the numbers 1 to 12 placed in chronological order and the outer circle 14 carries for example the numbers 13 to 31 also placed in order chronological.
  • the two series are arranged in such a way that the last calendar of the inner circle, that is to say the 12 , is near the first calendar of the outer circle, that is to say the 13 .
  • the first calendar of the inner circle, i.e. the 1, is also close to the last calendar of the outer circle, i.e., the 31 .
  • This solution has the advantage of allowing the dimension of the numbers representing the dates to be increased, since in this case, it is no longer necessary to have as many locations of dates on the inner circle as on the circle outside. Indeed, in the example shown, the inner circle has twelve numbers while the outer circle has nineteen.
  • the mechanism intended to ensure the displacement of the date disc to bring these dates into look of the window 11 formed in the dial 10 is significantly different from that described above. For the first twelve positions, the date disc must move in rotation around an axis corresponding to position M. This movement in rotation corresponds to one twelfth of a revolution per step. Then the date disc must be moved radially so as to pass its center of rotation in position M ′.
  • the electronic circuit corresponding to this embodiment is arranged in such a way that it controls the advance of the stepper motor by a number of stepper motors corresponding to one twelfth of a revolution of the date disc for the first twelve positions and to one nineteenth of a revolution for the nineteen subsequent positions.
  • Another arrangement of the dates, with n numbers on a circle and 31-n on the other, all arranged in continuous chronological order, is also possible.
  • the watch may have separate motor means generating for the former a rotation of the date disc and for seconds a lateral displacement and more exactly a radial translation of the axis of this disc.
  • FIG. 15 illustrates an embodiment of this type which comprises the date disc 13, a first drive motor 70 associated with a worm 71 to drive the date disc and a second motor 72 associated with a worm 73 for move a circular sector 74, pivoting around a fixed axis 75 to bring the axis of the date disc respectively into the two positions M and M ′ defined above.
  • the two motors 70 and 72 are controlled by a suitable electronic circuit 76.
  • the position of the date disc is detected by a contactor 44 which cooperates with a protuberance 45 of the date disc.

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

Claims (8)

  1. Uhr in der Ausführung als Armbanduhr, mit Einrichtungen für die Anzeige des Tagesdatums, wobei das Tagesdatum in einem einzigen Fenster erscheint, das in dem Zifferblatt vorgesehen ist, und mit einer einzigen Drehscheibe, auf der mindestens eine erste Folge von Zahlen entsprechend eines Teils der einunddreißig Tagesdaten und mindestens eine zweite Folge von Zahlen entsprechend den restlichen Tagesdaten vorgesehen ist, wobei die beiden Folgen von Zahlen auf mindestens zwei konzentrischen Kreisen angeordnet sind,
    gekennzeichnet durch
    eine Einrichtung für den Antrieb der Drehscheibe, die ausgelegt ist, um selektiv und automatisch die Zahlen aus der ersten Folge und aus der zweiten Folge entweder durch eine Drehbewegung der Drehscheibe oder eine radiale Bewegung der Drehscheibe oder eine Bewegung als Kombination einer Drehbewegung mit einer radialen Bewegung an das Fenster zu bringen.
  2. Armbanduhr nach Anspruch 1,
    dadurch gekennzeichnet, daß
    auf einem der konzentrischen Kreise fünfzehn gerade Zahlen vorgesehen sind, die in der Reihenfolge 2-24-14-4-26-16-6-28-18-8-30-20-10-22-12 angeordnet sind, und daß auf dem anderen der konzentrischen Kreise sechzehn ungerade Zahlen in der Reihenfolge 1-23-13-3-25-15-5-27-17-7-29-19-9-31-21-11 vorgesehen sind, wobei der Übergang von einem Tagesdatum auf das folgende Tagesdatum einer Drehbewegung der Drehscheibe um drei zweiunddreißigstel einer Umdrehung entspricht.
  3. Armbanduhr nach Anspruch 1,
    dadurch gekennzeichnet, daß
    einer der konzentrischen Kreise n Zahlen trägt, die in fortlaufender chronologischer Reihenfolge angeordnet sind, und daß der andere konzentrische Kreis die 31-n anderen folgenden Zahlen trägt, die ebenfalls in fortlaufender chronologischer Reihenfolge angeordnet sind.
  4. Armbanduhr nach Anspruch 1,
    dadurch gekennzeichnet, daß
    die Einrichtung für den Antrieb der Drehscheibe einen Motor für deren Drehbewegung um ihre eigene Achse und eine Einrichtung für eine Verschiebung der Achse der Drehscheibe von einer ersten Stellung in eine zweite Stellung und umgekehrt enthält, wobei der Weg der Verschiebung der Achse durch den Abstand, der die beiden konzentrischen Kreise trennt, bestimmt ist.
  5. Armbanduhr nach Anspruch 4,
    dadurch gekennzeichnet, daß
    die Einrichtung für eine Verschiebung einen Kreisausschnitt, der um eine feststehende Achse verschwenkbar ist und die Drehscheibe trägt, und einen Motor für eine Schwenkbewegung des Kreisausschnittes um dessen feststehende Achse enthält.
  6. Armbanduhr nach Anspruch 1,
    dadurch gekennzeichnet, daß
    die Einrichtung für den Antrieb der Drehscheibe einen Exzenter, der von einem Motor angetrieben ist, der für eine halbe Drehung des Exzenters bei jedem Schritt der Drehscheibe ausgelegt ist, enthält, und zwei Kreuzstücke, die im wesentlichen diametral einander gegenüber stehen und für ein Zusammenwirken mit der Verzahnung eines Sterns mit den Tagesdaten, der mit der Drehscheibe gekoppelt ist, vorgesehen sind, um die Drehscheibe bei jeder halben Drehung des Exzenters um einen Schritt vorrücken zu lassen.
  7. Armbanduhr nach Anspruch 1,
    dadurch gekennzeichnet, daß
    die Einrichtung für den Antrieb der Drehscheibe ein Innenzahnrad mit siebzehn Zähnen und ein Außenzahnrad mit sechzehn Zähnen, das innerhalb des Innenzahnrads abrollt, enthält, wobei das Außenzahnrad, Stern der Tagesdaten genannt, mit der Drehscheibe verbunden ist, um sie gleichzeitig in eine Drehbewegung zu versetzen und deren Achse zu verschieben.
  8. Armbanduhr nach Anspruch 1,
    dadurch gekennzeichnet, daß
    die Einrichtung für den Antrieb der Drehscheibe ein Innenzahnrad mit neunzehn Zähnen und ein Außenzahnrad, Stern der Tagesdaten genannt, mit sechzehn Zähnen, das innerhalb des Innenzahnrads abrollt, enthält, wobei das Außenzahnrad mit der Drehscheibe verbunden ist, um sie gleichzeitig in eine Drehbewegung zu versetzen und deren Achse zu verschieben.
EP92900233A 1990-12-14 1991-12-13 Armbanduhr Expired - Lifetime EP0515607B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH397290 1990-12-14
CH3972/90 1990-12-14
PCT/CH1991/000268 WO1992010794A1 (fr) 1990-12-14 1991-12-13 Montre du type montre-bracelet

Publications (2)

Publication Number Publication Date
EP0515607A1 EP0515607A1 (de) 1992-12-02
EP0515607B1 true EP0515607B1 (de) 1995-08-30

Family

ID=4267406

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92900233A Expired - Lifetime EP0515607B1 (de) 1990-12-14 1991-12-13 Armbanduhr

Country Status (5)

Country Link
US (1) US5327401A (de)
EP (1) EP0515607B1 (de)
JP (1) JP3088748B2 (de)
DE (1) DE69112609T2 (de)
WO (1) WO1992010794A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH684917B5 (fr) * 1992-08-10 1995-08-15 Ebauchesfabrik Eta Ag Montre avec fonction de quantième.
US6477114B1 (en) * 1997-12-26 2002-11-05 Citizen Watch Co., Ltd. Electronic timepiece with calendar device
EP1612628B1 (de) 2004-06-28 2006-08-23 De Grisogono S.A. Vorrichtung zur Grossdatumsanzeige
US7859950B2 (en) * 2008-08-11 2010-12-28 Blancpain S.A. Large date calendar day mechanism for a timepiece
CH707474A1 (fr) * 2013-01-17 2014-07-31 Parmigiani Fleurier S A Pièce d'horlogerie à affichage du quantième.
CH707971B8 (fr) * 2013-04-29 2017-09-15 Télôs Watch SA Pièce d'horlogerie comprenant un dispositif d'affichage de quantième.
EP3629101B1 (de) * 2018-09-26 2022-04-20 Patek Philippe SA Genève Uhranzeigemechanismus
EP3629102B1 (de) * 2018-09-26 2022-12-14 Patek Philippe SA Genève Anzeigemechanismus mit einer fensteranzeige
EP3800513B1 (de) 2019-10-04 2023-08-09 ETA SA Manufacture Horlogère Suisse Uhr, die am/pm-anzeigemittel umfasst

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE873520C (de) * 1950-12-08 1953-04-16 Heinrich Rumpel Uhr mit 24-Stunden-Anzeige
CH321956A (fr) * 1955-08-06 1957-05-31 Glauser Samuel Calendrier
CH532808A (fr) * 1970-12-30 1972-07-14 Bandi Fred Dispositif d'indication du quantième et du jour de la semaine pour instrument de mesure du temps
DE2218954C3 (de) * 1972-04-19 1975-09-04 Esge Elektrouhren Gmbh, 7442 Neuffen Uhr mit 24-Stunden-Zlfferblatt
CH589881B5 (de) * 1974-05-06 1977-07-29 Ebauches Bettlach Sa
DE2446355A1 (de) * 1974-09-26 1976-04-15 Suisse Horlogerie Uhr mit datumsanzeige

Also Published As

Publication number Publication date
WO1992010794A1 (fr) 1992-06-25
US5327401A (en) 1994-07-05
JP3088748B2 (ja) 2000-09-18
DE69112609T2 (de) 1996-04-04
EP0515607A1 (de) 1992-12-02
JPH05503784A (ja) 1993-06-17
DE69112609D1 (de) 1995-10-05

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