EP3570119A1 - Anzeigemechanismus eines sich periodisch wiederholenden ereignisses, und mit einem solchen mechanismus ausgestattete uhr - Google Patents

Anzeigemechanismus eines sich periodisch wiederholenden ereignisses, und mit einem solchen mechanismus ausgestattete uhr Download PDF

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Publication number
EP3570119A1
EP3570119A1 EP18173028.4A EP18173028A EP3570119A1 EP 3570119 A1 EP3570119 A1 EP 3570119A1 EP 18173028 A EP18173028 A EP 18173028A EP 3570119 A1 EP3570119 A1 EP 3570119A1
Authority
EP
European Patent Office
Prior art keywords
dial
moon
periodic event
display
index
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.)
Granted
Application number
EP18173028.4A
Other languages
English (en)
French (fr)
Other versions
EP3570119B1 (de
Inventor
Guy Bove
Léna PIZZOLON
Pierre GEROLD
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.)
Chronometrie Ferdinand Berthoud SA
Original Assignee
Chronometrie Ferdinand Berthoud 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 Chronometrie Ferdinand Berthoud SA filed Critical Chronometrie Ferdinand Berthoud SA
Priority to EP18173028.4A priority Critical patent/EP3570119B1/de
Priority to CN201910398415.1A priority patent/CN110501893B/zh
Publication of EP3570119A1 publication Critical patent/EP3570119A1/de
Application granted granted Critical
Publication of EP3570119B1 publication Critical patent/EP3570119B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • 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
    • G04B19/06—Dials
    • G04B19/16—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
    • 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
    • G04B19/26—Clocks or watches with indicators for tides, for the phases of the moon, or the like
    • G04B19/268—Clocks or watches with indicators for tides, for the phases of the moon, or the like with indicators for the phases of the moon

Definitions

  • the present invention relates to the field of watchmaking. More particularly, it relates to a mechanism for displaying a periodic event such as the phases of the moon or a date indication.
  • the invention also relates to a timepiece comprising such a mechanism for displaying a periodic event.
  • Astronomical clocks and date watches are well known since the 16th and 17th centuries, respectively, and many mechanisms for displaying periodic calendar events have been proposed in the state of the art.
  • the most common in wristwatches are simple or perpetual calendars, as well as the phases of the moon.
  • these various mechanisms include a date or lunar wheel having a star wheel whose number of teeth (7 for the week, 12 for the month, 31 for the days, 59 for the moons, etc. .. ) is arranged kinematically on the one hand with the mobile hours of the finishing gear of a watch movement, a date indicator or disc or star moon phase being integral in rotation with the star wheel.
  • the gear train is designed to take the star wheel one step per day to follow the normal calendar evolution and display the corresponding information on or in the watch face.
  • the object of the present invention is to provide a retrograde display mechanism for a periodic event that is simpler to perform, more reliable in its operation and more accurate than the mechanisms known from the prior art.
  • Such a display mechanism has the advantage of being of an extremely simple structure, not necessarily compact, and applicable both for the display of a calendar and phases of the moon, while providing an additional playfulness for the user by a functional mobility of the second part of the dial with respect to the first part while providing a faculty of greater accuracy of display by an increased diameter of the ring gear with respect to the wheels of conventional date wheels, and therefore to work on reports of finer workings.
  • the first and second parts of the dial are coplanar, each having a so-called upper display face and a so-called lower wheel face, the cam track and the representative index of a periodic event. to display being arranged on said display faces of the second and first parts respectively.
  • said ring gear is formed or fixed on the gear face of the second part of the dial.
  • the cam path comprises n identical and consecutive sections on the display face of the second part of the dial; preferably n is 12.
  • the cam path is constituted by a protruding wall or a slide dug in the display face of the second part of the dial.
  • said wall or slide is formed by plastic deformation, molding, deposition, removal of material, assembly or machining of the second part of the dial.
  • the follower member is a linear probe movable in translation in a radial direction to the second portion of the dial, said probe comprising a rack arranged in engagement with a pinion integral with the indicator member.
  • the follower member is a movable finger integral in rotation with the indicator member about an axis of rotation perpendicular to the plane of the dial.
  • the follower member is maintained in permanent support in the cam path by a spring.
  • the first part of the dial is circular and concentric with the second part of the dial.
  • the periodic event is a phase of the moon, said index representing the different phases of the moon on a lunation of 29.53 days and the cam path being configured so that the indicator organ indicates follow the representations of the consecutive phases of a lunation continuously and return to a so-called "new moon" position at the end of a lunation.
  • said index representing the different phases of the moon on a half moon
  • the cam path being configured so that the indicator member traverses said index in a direction of rotation on a half-moon since a so-called "new moon” position to a so-called full moon position and then traverses said index in reverse on the next half moon.
  • a moon phase display mechanism comprises a second indication index of the increasing or decreasing nature of a moon phase positioned on one of the first and second parts of the dial. and a cursor positioned on the other of the first and second parts of the dial, said index being configured so that the cursor is positioned in front of the appropriate index indication during the whole period of growth, respectively decrease of the moon on a lunation.
  • the periodic event can also be a calendar.
  • the index will include indices of the days of month and the ring gear may for example be a calendar crown.
  • the invention also relates to a timepiece comprising a mechanical watch movement or quartz and a display mechanism as previously defined whose display gear is coupled to the mobile hours of the watch movement by said ring gear.
  • FIG. 1 an embodiment of a mechanism for displaying a periodic event, and more particularly in the specific example of phases of the moon, according to the invention.
  • a display mechanism is in particular intended to be mounted in a timepiece such as a watch, in kinematic connection with a watch movement, in particular a mechanical movement, of the timepiece, both not shown on the figures.
  • This mechanism comprises in the first place, as shown in figure 1 , a timepiece display dial C such as a watch in top view, on which the visible elements of the display mechanism of the invention are visible.
  • a timepiece display dial C such as a watch in top view
  • These elements comprise in particular in the example shown a first portion of dial C1, of substantially circular shape, and a second dial portion C2, ring-shaped disposed concentrically and coplanar with the first part C1.
  • Each of the parts C1, C2 of the dial C has a so-called upper display face and a so-called lower wheel face.
  • the dial ring C2 is advantageously arranged mobile in rotation around the first part C1 by means of a display gear R, shown in FIG.
  • figure 2 providing a kinematic connection of the ring C2, provided with an internal ring gear 1, formed or fixed on the gear face of the ring C2 of the dial. with the hour wheel 3 of the finishing gear of a watch movement via a pinion 2 driven on the axis of rotation of the hour wheel 3.
  • the first part C1 of the dial C has on its display face a main moon index 14 representative of a periodic event to display, in this case phases of the moon on a complete lunar.
  • said main moon index 14 comprises a circular track 14a indicating the days on a growing phase of a lunation from a position "0", called “new moon” to a so-called full position.
  • moon indicated by a number 14, associated with a scale 14b representative of the evolution of the brightness of the moon on this increasing phase, said scale 14b being composed of segments of increasing lengths and progressive, the largest is arranged next to the track section 14a corresponding to the fourteenth day of lunation.
  • An indicator organ consisting of a so-called moon hand 8 is associated with the main moon index 14 in order to indicate progressively in the manner of an indication of a standard calendar date on which day of the lunation one is.
  • This moon hand 8 is rotatably mounted relative to the fixed part of the dial C1 so as to be pivotable on its axis above the dial C or, if necessary below it, especially if the fixed part C1 of said dial C is transparent.
  • Said moon hand 8 is further arranged in kinematic connection ( Fig.
  • the follower cam member 7 advantageously abuts at a contact end 71 on a cam path 13 formed on the display face of the movable ring C2 of the dial C.
  • Said cam path 13 is advantageously consisting of n identical and consecutive sections 13s, in this case twelve sections 13s each composed of two successive and consecutive cam segments 13a, 13b such that the contact end 71 of the cam follower 7 slides runs through the entire a section 13s on a complete lunation, and thus traverses a said cam segment 13a, 13b for a duration equal to half a lunation during the rotation of the ring C2 of the dial C under the effect of the display gear R via its ring gear 1 as will be described later.
  • the number of sections 13s of the cam path 13 is determined by the periodic event to be displayed by the display mechanism of the invention. In the present case, 12 sections 13s make it possible to display the 12 complete lunations of a calendar year of 12 months.
  • the cam path 13 is preferably constituted by a protruding wall or a slide dug in the display face of the second part C2 of the dial, for example by plastic deformation, molding, deposition, removal of material, assembly or machining of the second portion C2 of the dial C.
  • the moon hand 8 is advantageously rotated with respect to the main moon index 14 in a retrograde rotational movement, traversing on a first half-moon the entire track 14a of the index finger.
  • the main moon 14 in one direction while the contact end 71 of the cam follower 7 slides on a first cam segment 13a, 13b, then on the next half-lunation making the reverse flow in the other direction while the follower cam 7 slides on the other cam sector 13b, 13a respectively.
  • the cam path 13 is advantageously configured in the embodiment shown for the sliding of the contact end 71 of the cam follower 7 on a segment 13b of the cam path 13 induces a sinister translation movement of the cam follower 7 in the lumen 17 and a sliding on a segment 13a a dextral translation movement, respectively a clockwise rotational movement and a counterclockwise rotational movement of the needle 8 vis-à-vis the index 14.
  • the segments 13a, 13b are oriented relative to each other successively to form the cam path 13 on the entire upper surface of the ring C2 at an obtuse angle ⁇ open towards the center of the dial C between 110 ° and 135 °, thus conferring on the cam path 13 a serrated shape.
  • a leaf spring 10 is advantageously arranged integral with a first end of the pinion 9 carrying the needle 8 and fixed at a second end. on the fixed part C1 of the dial C, or alternatively on a platen of the watch movement associated with the display device of the invention.
  • the display mechanism of the invention also includes a secondary index 15 for indicating the increasing or decreasing nature of the moon.
  • This secondary index 15 simply comprises two contiguous sectors 15a, 15b bearing respectively a sign "+” and a sign "-" and of equal length arranged on a flange of the fixed part C1 of the dial C such that the middle 15m of the two sectors 15a, 15b is aligned radially with a moon slider 18 on the mobile ring C2 of the dial C when, as shown in FIG.
  • the contact end 71 of the cam follower 7 is located in the angle ⁇ between two segments 13a, 13b of the cam path 13, the needle 8 then facing the graduation "14", that is to say say mid-moon and full moon.
  • the ring C2 carries 12 moon sliders 18 regularly distributed on the periphery
  • the dial C of the display mechanism of the invention finally comprises in the example shown, but in an accessory and non-essential manner to the display mechanism of the invention, a secondary dial 16 for displaying the time at 12 o'clock and above the main dial C, this secondary display dial 16 being associated with hour and minute hands respectively driven on a gun secured to the hour wheel 3 ( fig.2 ) and on the coaxial roadway to the barrel of the hour hand conventionally in itself.
  • the figure 2 shows in detail the constitution of the display gear R of the display mechanism of the invention for making the kinematic connection between the hour wheel 2 of a watch movement and the ring C2 of the display dial C of the mechanism display, which carries the cam path 13 actuating via the cam follower the displacement of the needle 8 vis-à-vis the index 14 and moving the slider 18 opposite the secondary index 15 to indicate the increasing or decreasing nature of the moon on half a lunation indicated by the index 14 and the needle 8.
  • the moon display gear train R is thus arranged such that the first moon gear 4 engages, by its toothing z2, the toothing z1 of the hour gear 2 on the one hand and the first moon gear 5 meshes by its toothing z3 with the first deflection wheel 6, which itself meshes with the 2 nd moon wheel 12 arranged in kinematic connection by the moon gear 11 with the moon ring C2 via the ring gear 1.
  • This kinematic chain thus allows d ' train with appropriate gearing the ring C2 in rotation in a counterclockwise direction from the hour wheel 3, this rotation allowing through the cam path 13 on which the cam follower 7 is supported to move the moon hand 8 , coupled by its pinion 9 to the rack of the cam follower 7, vis-à-vis the main moon index 14.
  • the display mechanism of the present invention thus advantageously provides a phase display of the original moon with a retrograde motion-driven hand, without a schematic visual representation of the moon, as proposed by a vast majority of display views.
  • moon phases of the prior art It also does not require any moon disk, and uses a moving part of the dial C2 as a cam for actuating the moon hand 8, which provides a simplification of the display mechanism, as well as a double animation in the dial by displacement of the ring C2 around the fixed central portion C1 which causes the displacement of the moon hand 8 vis-à-vis the main moon index 14 and the moon sliders 18 vis-à-vis of the secondary index 15.
  • Another major advantage of the display mechanism of the invention is its increased accuracy in comparison with the known moon phase display mechanisms, conferred in particular by the large toothing z6 of the ring gear 1 of the ring C2.
  • FIGS. Figures 3A-3C The operation and the mode of display and reading of the phases of the moon according to the display mechanism of the invention are represented in FIGS. Figures 3A-3C , the Figures 4A-4D showing enlargements of Figures 3A-3C on the secondary index 15.
  • the figure 3A represents the display of a rising moon on the 8th day of lunation.
  • the increasing character of the moon is then indicated by the radial alignment of a slider 18 on the ring C2 with the sector 15a marked "+" on the secondary index 15.
  • the ring C2 continues to rotate counterclockwise so that the cam follower 7 slides on the segment 13b of the cam path until reaching a position of equilibrium between said segment 13b and the consecutive sector 13a, in the angle ⁇ , as shown in FIG. figure 3B .
  • the moon hand 8 is then in a substantially horizontal position pointing towards the upper end of the track 14a of the main moon index 14, facing the graduation 14 and the largest brightness segment. So it's the full moon, and the middle marker 15m of the secondary index 15 is then aligned with a cursor 18 on the ring C2, as shown Figure 4B .
  • the figure 3C finally represents the display of a decreasing moon on the 22nd day of the lunation.
  • the moon hand 8 is then in its retrograde movement back to the "0" of the track 14a of the main moon index 14.
  • the decreasing character of the moon is then indicated by the radial alignment of a slider 18 on the ring C2 with the sector 15b bearing the indication "-" on the secondary index 15, as shown in FIG. Fig. 4C .
  • the display mechanism of the invention thus allows, by its configuration, a simplified and animated representation of a new kind of a periodic event such as the phases of the moon as previously described, or according to a similar mechanism for the display of calendars. It is sufficient for this purpose in particular to choose a cam path configuration 13, its sections 13s and / or segments 13a, 13b of length and shapes adapted to cooperate with one or more indicator organs suitable for informing the desired periodic event, of same as adjusting the display gear if necessary.
  • an annual calendar for example, by means of a month disk carried on a 12-tooth date star rotatably mounted on the fixed part.
  • a probe movable in translation analogous to the cam follower 7 of the moon needle 8 is arranged and recalled by a spring between the cam path 13 and the date star so as to rotate said star one step at each passage of the probe from a section 13s of the cam path 13 to a section 13s consecutive.
  • the date day can then be displayed if necessary by a needle actuated substantially identically to the moon hand 8, or a date disk in accordance with conventional date mechanisms of the prior art.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Electromechanical Clocks (AREA)
EP18173028.4A 2018-05-17 2018-05-17 Anzeigemechanismus eines sich periodisch wiederholenden ereignisses, und mit einem solchen mechanismus ausgestattete uhr Active EP3570119B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18173028.4A EP3570119B1 (de) 2018-05-17 2018-05-17 Anzeigemechanismus eines sich periodisch wiederholenden ereignisses, und mit einem solchen mechanismus ausgestattete uhr
CN201910398415.1A CN110501893B (zh) 2018-05-17 2019-05-14 用于显示周期性事件的显示机构和包含显示机构的钟表

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18173028.4A EP3570119B1 (de) 2018-05-17 2018-05-17 Anzeigemechanismus eines sich periodisch wiederholenden ereignisses, und mit einem solchen mechanismus ausgestattete uhr

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Publication Number Publication Date
EP3570119A1 true EP3570119A1 (de) 2019-11-20
EP3570119B1 EP3570119B1 (de) 2021-02-24

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EP18173028.4A Active EP3570119B1 (de) 2018-05-17 2018-05-17 Anzeigemechanismus eines sich periodisch wiederholenden ereignisses, und mit einem solchen mechanismus ausgestattete uhr

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CN (1) CN110501893B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111338200A (zh) * 2020-03-27 2020-06-26 飞亚达精密科技股份有限公司 一种中心指针式日历和大月相显示机构
EP4113218A1 (de) * 2021-07-02 2023-01-04 Jean-Marc Wiederrecht Anzeigemechanismus kombiniert mit einer monddatums- und mondphasenanzeige für uhrwerk

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113376997A (zh) * 2021-07-13 2021-09-10 布加迪(广州)贸易有限公司 一种定时启动的动偶结构

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CH690630A5 (fr) * 1997-03-24 2000-11-15 Leschot Sa Montre comportant un dispositif d'affichage rétrograde du quantième.
US20080159082A1 (en) * 2005-01-24 2008-07-03 Seiko Epson Corporation Display Device For Timepiece, Movement, and Timepiece
CH701836B1 (fr) 2004-11-12 2011-03-31 Jerome De Witt Dispositif d'affichage du quantième et pièce d'horlogerie comportant un tel dispositif d'affichage.
CH703546B1 (fr) 2001-12-20 2012-02-15 Piguet Frederic Sa Pièce d'horlogerie comprenant un mécanisme indicateur des phases de lune à retour rétrograde.
EP3070538A1 (de) * 2015-03-18 2016-09-21 Nogerah SA Retrograder anzeigemechanismus für uhrwerk

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CH696218A5 (fr) * 2001-08-07 2007-02-15 Piguet Frederic Sa Pièce d'horlogerie à quantième comprenant un dispositif d'équation du temps marchante.
EP1406131A1 (de) * 2002-10-01 2004-04-07 Manufacture Roger Dubuis S.A. Mechanische Vorrichtung zur Anzeige von Stunden und Minuten
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EP2503410B1 (de) * 2011-03-22 2014-05-21 Montres Breguet SA Kalendermechanismus, der einen Monatsschnellkorrektor umfasst
EP2869139B1 (de) * 2013-11-04 2020-02-05 Chronométrie Ferdinand Berthoud Tourbillonmechanismus

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Publication number Priority date Publication date Assignee Title
CH690630A5 (fr) * 1997-03-24 2000-11-15 Leschot Sa Montre comportant un dispositif d'affichage rétrograde du quantième.
CH703546B1 (fr) 2001-12-20 2012-02-15 Piguet Frederic Sa Pièce d'horlogerie comprenant un mécanisme indicateur des phases de lune à retour rétrograde.
CH701836B1 (fr) 2004-11-12 2011-03-31 Jerome De Witt Dispositif d'affichage du quantième et pièce d'horlogerie comportant un tel dispositif d'affichage.
US20080159082A1 (en) * 2005-01-24 2008-07-03 Seiko Epson Corporation Display Device For Timepiece, Movement, and Timepiece
EP3070538A1 (de) * 2015-03-18 2016-09-21 Nogerah SA Retrograder anzeigemechanismus für uhrwerk

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111338200A (zh) * 2020-03-27 2020-06-26 飞亚达精密科技股份有限公司 一种中心指针式日历和大月相显示机构
EP4113218A1 (de) * 2021-07-02 2023-01-04 Jean-Marc Wiederrecht Anzeigemechanismus kombiniert mit einer monddatums- und mondphasenanzeige für uhrwerk

Also Published As

Publication number Publication date
CN110501893A (zh) 2019-11-26
EP3570119B1 (de) 2021-02-24
CN110501893B (zh) 2022-03-04

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