EP1460494A1 - Datumsanzeigevorrichtung - Google Patents

Datumsanzeigevorrichtung Download PDF

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Publication number
EP1460494A1
EP1460494A1 EP03405183A EP03405183A EP1460494A1 EP 1460494 A1 EP1460494 A1 EP 1460494A1 EP 03405183 A EP03405183 A EP 03405183A EP 03405183 A EP03405183 A EP 03405183A EP 1460494 A1 EP1460494 A1 EP 1460494A1
Authority
EP
European Patent Office
Prior art keywords
display
tens
units
teeth
mobile
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Withdrawn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
EP03405183A
Other languages
English (en)
French (fr)
Inventor
Francois-Paul Journe
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP03405183A priority Critical patent/EP1460494A1/de
Publication of EP1460494A1 publication Critical patent/EP1460494A1/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Withdrawn legal-status Critical Current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
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/005—Indicating the time optically by electric means by discs
    • G04C17/0058—Indicating the time optically by electric means by discs with date indication
    • G04C17/0066—Indicating the time optically by electric means by discs with date indication electromagnetically driven, e.g. intermittently

Definitions

  • the present invention relates to a device for displaying the date of the month for a timepiece in which the units and the tens are carried by two respective display mobiles, the display mobile for the units has a first toothing of thirty and a tooth, three complete series of units plus the number "1" between the third and the first of said series of units and a second set of four teeth projecting from a circle concentric with its axis of rotation and distributed to drive the tens display mobile at each change of tens, the latter comprising for this purpose four divisions, each corresponding to a display range of tens, intended to engage on the one hand with the second toothing of said mobile units and on the other hand with a positioning jumper.
  • the object of the present invention is to remedy, at least in part, this drawback.
  • the subject of this invention is a device for displaying the date of the month for a timepiece according to claim 1.
  • the advantage of the device object of the present invention is to allow the locking of the position of the tens mobile and a positioning of this mobile, by inducing a deflection deflection of the jumper spring positioning significantly lower than with the star used in the aforementioned devices.
  • the display device comprises a date ring 1.
  • this does not bear the numbers 1 to 31, but only the units, namely three sets of numbers of all the successive units from 1 to 0 plus an additional 1 for the indication of 31.
  • This calendar ring 1 has, as usual, an internal toothing 2 of 31 teeth which is engaged with a drive finger 3a of a wheel d drive 3 which turns around in 24 hours and which is driven, in the usual way by the clockwork train (not shown) of the timepiece.
  • a second toothing 4 having only four teeth is provided at the periphery of the date ring 1.
  • a tens indicator 5 bearing four digits from 0 to 3, or even three digits from 1 to 3 with a blank in place of the 0 , each located on an angular range of 90 °, is integral with a Maltese cross 6.
  • the outer edges of the arms of this Maltese cross 6 are tangent to a circle concentric with this Maltese cross, the radius of which corresponds to the distance separating the center of this Maltese cross 6 from the periphery of the calendar ring 1. Consequently, in each of the four angular positions of this Maltese cross 6, one of the external edges of the arms of this cross is tangent to the periphery of the date ring 1, which locks it angularly.
  • a jumper spring 7 is engaged with the Maltese cross 6. It is arranged so that its end 7a is in the radial space 6a formed between two arms of the Maltese cross 6 when one of the outer edges of the one of its arms is tangent to the periphery of the date ring 1. Obviously, instead of being straight, the outer edges of the arms of the Maltese cross 6 may be slightly concave with a concavity whose radius corresponds to that of the periphery of the date ring 1.
  • the date indicator device is located under the watch face (not shown), like all devices of this kind.
  • a window 8 the position of which is indicated by dashed lines, is provided at across the watch face to reveal the two numbers side by side of the tens indicator 5 and the date units ring 1.
  • the unit numbers are located in the right half of window 8 and change every day .
  • the tens indicator 5 has the shape of a square which is driven 90 ° with each change of tens.
  • the edge of this tens indicator 5 vertically separates the window 8 in two and each digit is oriented parallel to one of the edges of the square and adjacent to this edge.
  • this tens indicator 5 is located above the ring of date units 1, it hides the figure of this ring of units which is located in the right half of window 8.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromechanical Clocks (AREA)
EP03405183A 2003-03-18 2003-03-18 Datumsanzeigevorrichtung Withdrawn EP1460494A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03405183A EP1460494A1 (de) 2003-03-18 2003-03-18 Datumsanzeigevorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03405183A EP1460494A1 (de) 2003-03-18 2003-03-18 Datumsanzeigevorrichtung

Publications (1)

Publication Number Publication Date
EP1460494A1 true EP1460494A1 (de) 2004-09-22

Family

ID=32799188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03405183A Withdrawn EP1460494A1 (de) 2003-03-18 2003-03-18 Datumsanzeigevorrichtung

Country Status (1)

Country Link
EP (1) EP1460494A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006134156A2 (en) * 2005-06-17 2006-12-21 Timex Group B.V. Date display assembly for a timepiece
US7180829B2 (en) * 2004-01-30 2007-02-20 Seiko Instruments Inc. Timepiece equipped with calendar mechanism including first and second date indicators
US7864634B2 (en) 2008-04-10 2011-01-04 Seiko Epson Corporation Timepiece with a calendar mechanism
JP2011174845A (ja) * 2010-02-25 2011-09-08 Citizen Holdings Co Ltd 月表示付き時計
FR3104748A1 (fr) * 2019-12-12 2021-06-18 Laurent MAZOUNIE Quantième annuel simplifié

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH324270A (fr) * 1955-11-22 1957-09-15 Roamer Watch Co Sa Mécanisme indicateur des quantièmes pour montre-calendrier
CH578202B5 (de) * 1973-01-16 1976-07-30 Suisse Horlogerie
CH581341B5 (de) * 1973-05-21 1976-10-29 Suisse Horlogerie
WO1999013383A1 (fr) * 1997-09-11 1999-03-18 Jaquet S.A. Systeme mecanique d'indication du quantieme de grand format pour mouvements de montres et pendulettes
EP0940833A1 (de) * 1998-03-05 1999-09-08 Frédéric Piguet S.A. Kalendermechanismus für Uhrwerk
EP1296204A1 (de) * 2001-09-24 2003-03-26 Manufacture JAEGER-LE COULTRE Datumsanzeigemechanismus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH324270A (fr) * 1955-11-22 1957-09-15 Roamer Watch Co Sa Mécanisme indicateur des quantièmes pour montre-calendrier
CH578202B5 (de) * 1973-01-16 1976-07-30 Suisse Horlogerie
CH581341B5 (de) * 1973-05-21 1976-10-29 Suisse Horlogerie
WO1999013383A1 (fr) * 1997-09-11 1999-03-18 Jaquet S.A. Systeme mecanique d'indication du quantieme de grand format pour mouvements de montres et pendulettes
EP0940833A1 (de) * 1998-03-05 1999-09-08 Frédéric Piguet S.A. Kalendermechanismus für Uhrwerk
EP1296204A1 (de) * 2001-09-24 2003-03-26 Manufacture JAEGER-LE COULTRE Datumsanzeigemechanismus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7180829B2 (en) * 2004-01-30 2007-02-20 Seiko Instruments Inc. Timepiece equipped with calendar mechanism including first and second date indicators
WO2006134156A2 (en) * 2005-06-17 2006-12-21 Timex Group B.V. Date display assembly for a timepiece
WO2006134156A3 (en) * 2005-06-17 2007-04-12 Timex Group Bv Date display assembly for a timepiece
US7289392B2 (en) 2005-06-17 2007-10-30 Timex Group B.V. Date display assembly for a timepiece
US7864634B2 (en) 2008-04-10 2011-01-04 Seiko Epson Corporation Timepiece with a calendar mechanism
JP2011174845A (ja) * 2010-02-25 2011-09-08 Citizen Holdings Co Ltd 月表示付き時計
FR3104748A1 (fr) * 2019-12-12 2021-06-18 Laurent MAZOUNIE Quantième annuel simplifié

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