EP2042945A2 - Monatsanzeigevorrichtung für eine Uhr - Google Patents

Monatsanzeigevorrichtung für eine Uhr Download PDF

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Publication number
EP2042945A2
EP2042945A2 EP08016425A EP08016425A EP2042945A2 EP 2042945 A2 EP2042945 A2 EP 2042945A2 EP 08016425 A EP08016425 A EP 08016425A EP 08016425 A EP08016425 A EP 08016425A EP 2042945 A2 EP2042945 A2 EP 2042945A2
Authority
EP
European Patent Office
Prior art keywords
month
display
wheel
disks
driven
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.)
Withdrawn
Application number
EP08016425A
Other languages
English (en)
French (fr)
Other versions
EP2042945A3 (de
Inventor
Pierre-Michel Golay
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.)
Franck Mueller Watchland SA
Original Assignee
Franck Mueller Watchland 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 Franck Mueller Watchland SA filed Critical Franck Mueller Watchland SA
Publication of EP2042945A2 publication Critical patent/EP2042945A2/de
Publication of EP2042945A3 publication Critical patent/EP2042945A3/de
Withdrawn legal-status Critical Current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
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G04B19/2536—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement automatically corrected at the end of months having less than 31 days
    • 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 display device for months for watch movement. More precisely, this display device is intended to drive means for displaying the months comprising a disc bearing indications relating to the months of the year.
  • timepieces such as that described in the aforementioned application
  • these must be precisely sized to provide readable information while limiting the space occupied under the dial, especially in a plane parallel to the general plane of the movement.
  • the various indications displayed should preferably be of comparable size to contribute to the perception of a high-end execution of the corresponding timepiece.
  • the solution proposed in the aforementioned application consists of identically dimensioning the day indication and month indication discs, which amounts to oversizing the day display disc carrying only seven indications. of days versus twelve month indications for the month display disc. Oversizing the day display disk adds an additional constraint for the watch manufacturer in its management of available space, especially when the corresponding watch movement includes additional complications.
  • the patent CH 660 941 G A3 describes a date display device providing a solution to the problems mentioned above. Indeed, this device comprises two superimposed rings driven by the same finger performing a turn on itself in 24 hours. The ring located on the top has a window making it possible to make visible the ring located below him. The date indications are distributed between the two rings in such a way that one displays the dates from 1 to 16 and the other the dates from 17 to 31. The finger is arranged to act on an internal toothing of the date rings. Each of the rings has a non-toothed sector in such a way that it can not cooperate with the finger when the non-toothed sector is facing the latter, the indications carried by the other ring then being used to display the date . Each of the rings further comprises a peripheral support surface intended to cooperate with that of the other ring to be driven through it during the change of the ring whose display is used.
  • peripheral bearing surfaces makes the manufacture of date rings more expensive than that of flat rings.
  • An object of the present invention is to overcome the disadvantages of the state of the art mentioned above, by proposing an alternative solution to the display device exposed lastly to achieve a display of months at once legible, compact and of easy assembly.
  • the device according to the invention comprises two superimposed display disks having substantially the same diameter and each having seven display positions. Six of the seven positions bear an indication of one month, the seventh position being blank.
  • This device further comprises a drive mechanism of the discs, from the finishing work train of the movement, arranged in such a way that a first disc is driven to indicate six consecutive months of the year, the second disc being driven to indicate the other six months of the year.
  • each of the disks is integral in rotation with a wheel driven by steps, at a rate of once a month for seven consecutive months, the first step of one wheels coinciding with the last step of the other wheel.
  • the drive mechanism includes a training wheel intended to be driven once a month from the movement finishing train and comprising a first board arranged to drive a first wheel for seven consecutive months and a second board. arranged to drive the other wheel for seven consecutive months, the first and last of which are common with, respectively, the last and the first month in which the first wheel is driven.
  • the readability of the month indications is high without the space occupied by the corresponding display mechanism being very important in a plane parallel to the general plane of the watch movement.
  • the disc located on the top may include a window through which the indications carried by the lower disk are visible.
  • the disc located on the top can be made of a transparent material, such as sapphire for example.
  • the lower disk may be provided with a target having a high contrast compared to the month indications carried by the disk to be located above.
  • the device according to the present invention further comprises means for indicating the day of the week comprising a disk, substantially of the same diameter as the display disks of the month and having seven display positions. each bearing an indication of a day of the week.
  • the day indications then advantageously have the same dimensions as the month indications.
  • the present invention also relates to a watch movement provided with a month display device meeting the characteristics set out above, as well as a timepiece comprising such a watch movement.
  • FIG. 1 is a simplified plan view, on the dial side, of a timepiece movement according to a preferred embodiment of the present invention
  • the figure 2 represents a simplified perspective view of a portion of the display device of the months of the figure 1 ;
  • the figure 3 represents a simplified cross-sectional view of a construction detail of the display device of the figure 2 , according to the section line III-III visible on the figure 1 , and
  • the figure 4 represents a simplified perspective view, on the bridge side, of an additional construction detail of the display device of the months of the figure 2 .
  • the figure 1 represents a simplified general plan view, on the dial side, of a movement 1 for a timepiece according to a preferred embodiment of the present invention. So, in the representation of the figure 1 the top of the movement corresponds to the twelve o'clock position, while its horizontal diameter extends between the nine o'clock positions to the left of the figure and three hours to the right of the figure.
  • This movement comprises frame elements including a plate 2, on which are mounted mobiles, levers, scales and other conventional watch components that will not be described in detail in this presentation to the extent that most of them do not presents a distant relationship with the present invention.
  • the watch movement is calendar type. In particular, it makes it possible to control the display of the date, the day of the week and the month.
  • a retrograde display by needle (not shown) of the date being controlled from a wheel of thirty-one 3, itself driven in steps from a mobile of finishing gear, in a conventional manner.
  • a disc of days 4 is rotatably mounted on the plate along an axis of rotation located on the radius extending to the nine o'clock position of the dial. This disc 4 is also driven from a mobile of the work train.
  • a display disk of the phases of the moon 5 is furthermore shown on the figure 1 , it being rotatably mounted on the plate along an axis of rotation on the radius extending to the six o'clock position.
  • a first display disc of months 6 also appears on the figure 1 , which is rotatably mounted on a bridge (visible on the Figures 3 and 4 ) along an axis of rotation on the radius extending to the three o'clock position.
  • This disc carries a first series of abbreviated indications 7 months between January and June, six regularly distributed positions, and an additional position 8 without any indication.
  • first disk 6 is disposed above a second display disk 9 months, coaxial with the first disk 6.
  • This second disk 9 carries a second series of abbreviated information 7 months between July and December, or six positions regularly distributed, and an additional position 10 blank of any indication.
  • the sectional view of the figure 3 shows how the two disks 6 and 9 month display are arranged relative to each other and their respective drive means.
  • the first disc 6 is integral with the barrel 15 of a first mobile 16 also comprising a gear 17 and pivotally mounted in the bridge 18.
  • the first disc 6 and the gear 17 are located on either side of the bridge 18.
  • the second disc 9 is secured to a ring 19 mounted rotating on the bridge 18 and carries a toothed wheel 20 located at the ring 19, on the same side of the bridge 18 as the second disk 9.
  • a driving wheel 22 is disposed on a frame member of the watch movement, close to the display mobiles months.
  • This includes a first board 23, having a first series of seven teeth 24 and, located at the gear 17 of the first mobile 16, and a second board 25, having a second series of seven teeth 26 and, located at the toothed wheel 20 of the second disc 9.
  • Pins 27 passing through adapted holes of the two boards 23 and 25 allow to position them angularly during assembly and to maintain them integral in rotation with one another.
  • a spacer board 28 located between the first and second boards 23 and 25.
  • each series of teeth 24, 26 extends over a sector representing approximately 180 degrees.
  • first tooth 24 of the first series is superimposed on the last tooth 26 of the second series, while the last tooth 24 of the first series is superimposed on the first tooth 26 of the second series.
  • the thirty-one wheel 3 comprises a finger 30 arranged and dimensioned in such a way that it can cooperate with the teeth 24 of the first series and with the teeth 26 of the second series to drive the mobile 22 drive in rotation in the counterclockwise direction. The latter is then likely to drive one of the disks 6 and 9 clockwise, or both at a time, as will be seen below.
  • each of the disks is driven alone for a period of five consecutive months, the two periods being separated from each other by a month in which there is a simultaneous jump of the two disks 6 and 9.
  • the two discs are driven simultaneously for the passages of the months of December to January and June to July.
  • those skilled in the art will not encounter any particular difficulty in modifying the months at which the discs are driven simultaneously, without departing from the scope of the present invention.
  • the spacer board 28 has a gear specifically designed to cooperate with the finger 30 of the wheel of thirty-one 3 instead of sets of teeth 24 and 26 which would then only interact with the toothed wheels secured to the display disks.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP08016425A 2007-09-28 2008-09-18 Monatsanzeigevorrichtung für eine Uhr Withdrawn EP2042945A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH15112007A CH704343B1 (fr) 2007-09-28 2007-09-28 Dispositif d'affichage des mois pour mouvement horloger.

Publications (2)

Publication Number Publication Date
EP2042945A2 true EP2042945A2 (de) 2009-04-01
EP2042945A3 EP2042945A3 (de) 2011-03-30

Family

ID=39773165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08016425A Withdrawn EP2042945A3 (de) 2007-09-28 2008-09-18 Monatsanzeigevorrichtung für eine Uhr

Country Status (2)

Country Link
EP (1) EP2042945A3 (de)
CH (1) CH704343B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3629102B1 (de) 2018-09-26 2022-12-14 Patek Philippe SA Genève Anzeigemechanismus mit einer fensteranzeige

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1349020A1 (de) 2002-03-28 2003-10-01 Manufacture Roger Dubuis S.A. Uhr mit Kalender

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1349020A1 (de) 2002-03-28 2003-10-01 Manufacture Roger Dubuis S.A. Uhr mit Kalender

Also Published As

Publication number Publication date
EP2042945A3 (de) 2011-03-30
CH704343B1 (fr) 2012-07-13

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