EP2180383A1 - Hilfsvorrichtung zur Positionshaltung einer Datumsanzeigescheibe für Uhrwerk - Google Patents

Hilfsvorrichtung zur Positionshaltung einer Datumsanzeigescheibe für Uhrwerk Download PDF

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Publication number
EP2180383A1
EP2180383A1 EP08167519A EP08167519A EP2180383A1 EP 2180383 A1 EP2180383 A1 EP 2180383A1 EP 08167519 A EP08167519 A EP 08167519A EP 08167519 A EP08167519 A EP 08167519A EP 2180383 A1 EP2180383 A1 EP 2180383A1
Authority
EP
European Patent Office
Prior art keywords
date
jumper
locking
ring
correction
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
EP08167519A
Other languages
English (en)
French (fr)
Other versions
EP2180383B1 (de
Inventor
Julien Chaignat
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to AT08167519T priority Critical patent/ATE543125T1/de
Priority to EP08167519A priority patent/EP2180383B1/de
Priority to SG200906771-1A priority patent/SG161164A1/en
Priority to KR1020090097045A priority patent/KR101550072B1/ko
Priority to US12/604,796 priority patent/US8040759B2/en
Priority to CN200910207524.7A priority patent/CN101727063B/zh
Priority to JP2009245262A priority patent/JP5600251B2/ja
Publication of EP2180383A1 publication Critical patent/EP2180383A1/de
Priority to HK10111479.5A priority patent/HK1144842A1/xx
Application granted granted Critical
Publication of EP2180383B1 publication Critical patent/EP2180383B1/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
    • G04B19/253—Driving or releasing mechanisms
    • 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 device for maintaining the indexed position of a date indicator disc for a timepiece.
  • FIG. 1 An exemplary embodiment of a date indicator mechanism is shown in perspective at the figure 1 attached to this patent application.
  • Designated as a whole by the general numerical reference 1, such a mechanism is intended to be mounted in the plate of a non-illustrated watch, typically a wristwatch intended to display the day of the month.
  • the date mechanism 1 comprises an upper date ring 2 and a lower date ring 3.
  • the upper date ring 2 is superimposed on the lower date ring 3.
  • the upper date ring 2 has sixteen regularly distributed sectors. on its circumference. The sixteen sectors comprise on the upper face of the ring 2 successive markings ranging from "17" to "31” and a window 21 which, in the example shown, corresponds to a through opening formed in the ring of upper calendar 2.
  • the lower date ring 3 also has sixteen sectors evenly distributed around its circumference.
  • the sixteen sectors have on the upper face of the ring 3 successive markings ranging from “1" to "16".
  • the watch will typically have a window through which the markings on the lower and upper date rings 3 and 2 can be seen.
  • Teeth 22 project radially inwardly of the upper date ring 2 from an inner peripheral rim 23 of said upper ring 2.
  • teeth 32 protrude radially inwardly of the lower date ring 3 from an inner rim 33 thereof.
  • the teeth 22 and 32 are regularly spaced along the inner peripheral rims 23 and 33 of the respective date rings 2 and 3.
  • Each tooth 22 is associated with a marking 24 or the window 21 of the upper date ring 2.
  • each tooth 32 is associated with a marking 34 of the lower date ring 3.
  • the date indicator mechanism 1 further comprises a control wheel 4 for driving the top and bottom 2 and lower date rings 3 which performs a complete revolution in 31 days being driven via a pinion 61 driven on the hour wheel and gears 62 and 63 which will not be described further here.
  • the figure 4 attached to the present patent application is a detail view in perspective of the control wheel 4.
  • the control wheel 4 has first and second stages of teeth 41 and 42 superimposed.
  • Each of the stages 41 and 42 has on its periphery a portion provided with successive adjacent teeth and a portion without teeth.
  • the teeth are regularly spaced by an angle of 2 ⁇ / 31.
  • the first gear stage 41 includes teeth that will control the sectors "17” to "31” and the window 21 of the upper date ring 2.
  • the toothless portion of the first gear stage 41 therefore extends between the tooth that controls the sector corresponding to the window 21 and the tooth that controls the sector "17".
  • the second gear stage 42 comprises teeth that control the sectors "1" to "16". The toothless portion of the second gear stage 42 thus extends between the tooth that controls the sector "16" and the tooth that controls the sector "1".
  • the portion provided with teeth of a stage is placed in line with the toothless portion of the other stage.
  • the teeth of the first gear stage 41 controlling the markings "17" to “31” of the upper ring 2 are disposed vertically above the portion of the second toothless stage 42 without teeth.
  • the toothless portion of the first gear stage 41 is placed in alignment with the teeth of the second gear stage 42 controlling the markings "2" to "16" of the lower date ring 3.
  • the tooth of the first tooth stage 41 which controls the sector "1" of the lower date ring 3 is disposed vertically above the tooth of the second tooth stage 42 which controls the sector corresponding to the window 21 of the date ring. superior 2.
  • the first and second stages of teeth 41 and 42 are coupled in rotation, so that a simple rotation of one turn of the control wheel 4 makes it possible to drive one or the other of the two upper date rings 2 or lower 3.
  • the first and second stages of teeth 41 and 42 are arranged to respectively drive the upper date ring 2 and the lower date ring 3 by their portions provided with teeth.
  • Mobile multipliers 11 and 13 make it possible to achieve a kinematic connection between the first and second gear stages 41 and 42 and the top and bottom 2 and lower date rings 3, respectively.
  • the multiplier mobiles 11 and 13 make it possible to guarantee that the daily rotation of the control wheel 4 involves the advance of a step of a date ring from a date to the next date.
  • the figure 5 attached to this patent application is a side view of the correction mechanism of the date indication.
  • the first gear stage 41 is kinematically connected to the upper date ring 2 via the first multiplier gear 11, the third gear 13 and the upper gear of a gear train.
  • the multiplier gear 11 comprises a pinion 112 driven by the toothed portion of the first gear stage 41.
  • the multiplier gear 11 further comprises a wheel 111 fixed to the gear 112.
  • the multiplier gear 13 comprises as it a pinion 131 driven by the wheel 111.
  • the multiplier gear 13 further comprises a wheel 132 fixed on the pinion 131 and driving the upper gear of the corrective gear train 9.
  • the object of the present invention is to remedy this drawback as well as others by providing a date indicator mechanism having a high impact resistance outside the correction periods of the date indication while opposing only a low resisting torque during the correction phases of the date indication.
  • the present invention relates to a device for assisting in the positioning of a date indicator disc for a timepiece, the position of the date indicator disk being indexed by a jumper, this device being characterized in that it comprises a locking member which, apart from the periods of correction of the date indication, keeps the jumper blocked, this locking member disappearing during the correction phase of the date indication to release the jumper.
  • the present invention provides a date indicator mechanism whose date disk is kept locked outside the correction phases of the date indication and is released and just kept indexed by a jumper during the correction phases of the calendar. the date indication. It is thus ensured that, during the normal operation of the watch, the date indicator disk is firmly maintained and does not risk rotating unexpectedly under the effect of a shock for example.
  • the indication of the date provided by the watch equipped with the date mechanism according to the invention is therefore always reliable. By cons, in the vicinity of midnight, when the date indication must change, the date disc is maintained only by the jumper which opposes a low resisting torque.
  • the torque available at the output of the gear train that connects the control wheel to the date ring does not need to be high, so that the multiplication ratio between said control wheel and said date ring. can be big. This results in a date mechanism with a jump faster than that of a trailing mechanism and which is close to an instantaneous jump mechanism.
  • the locking member is moved away from its blocking position of the jumper by an activation member which is itself driven by a train of gear which kinematically links a control wheel to the date indicator disc.
  • the jumper is released from its blocking position only at the very moment when the correction wheel of the date indication is started, which occurs only once every twenty-four hours. hours during a short period of time in the vicinity of midnight as well as during manual correction of the date.
  • the date disc is perfectly immobilized and therefore does not risk to jump unexpectedly for example in case of shock.
  • the locking member is blocked between the jumper and the activation member.
  • the present invention proceeds from the general inventive idea of reconciling two objectives which, at first glance, seem antagonistic, namely to provide a date mechanism whose date indicator disc is both firmly maintained to prevent it from rotates in the event of impact and provides an erroneous indication of the date, and opposes a resisting torque as low as possible during its correction to be able to advance a step in a relatively short period of time thanks to a gear train with a ratio of high multiplication.
  • This dual purpose is achieved through the use of a member that blocks the date indicator disk by acting on its jumper outside periods of correction of the date indication, this body being removed from its position in which it blocks the date indicator disk during the phases or the date indication is corrected.
  • the present invention will be described in connection with a date indicator mechanism comprising two superposed date disks. It goes without saying that the present invention applies identically to a date indicator mechanism comprising a single date disc which would be divided into 31 sectors on which are reported the date indications "1" to "31".
  • the upper and lower 2 and lower date rings 3 are kinematically connected to the control wheel 4 via a date indication correction gear train comprising the multiplier mobiles 11 and 13, respectively 12 and 14, and that the corrector mobile 9. More specifically, the upper date ring 2 is driven by the first gear stage 41 of the control wheel 4 via the first mobile multiplier 11, the third mobile multiplier 13 and the upper gear of the mobile corrector 9.
  • the multiplier gear 11 comprises the pinion 112 driven by the toothed portion of the first gear stage 41.
  • the wheel 111 fixed coaxially on the pinion 112 drives the pinion 131 of the third multiplier 13.
  • the wheel 132 fixed coaxially on the pinion 131 drives the upper gear of the corrector mobile 9 which in turn drives the upper date ring 2.
  • the position of the upper date ring 2 is indexed by the jumper 50 held by an arm 51a of the spring 51.
  • the jump of the date indication of a given date to the next date is as fast as possible. It is therefore necessary that the multiplication ratio between the control wheel 4 and the upper date ring 2 via the first mobile multiplier 11, the third mobile multiplier 13 and the upper gear of the mobile corrector 9 be the largest possible. Provided that this condition is verified and with an angle between two date steps of 22.5 which is the value for a date indicator mechanism with two disks, the change in the date indication occurs in about 40 minutes. This is usually the duration of the jumping of a single-disc semi-instantaneous date indicator mechanism, this time being reduced to 20 minutes for such a single disk date indicator mechanism by the present invention.
  • the present invention has set itself the objective of solving this problem by providing a device for helping to hold a date ring in position, which, in the normal operating phase of the watch, that is to say outside periods of correction of the date indication, ensures excellent shock resistance of the date ring, while allowing a correction of the date indication with a minimum torque.
  • the present invention teaches adding to the date indicator mechanism a locking member which, outside the correction periods of the date indication, keeps the jumper blocked and disappears in the correction phase of the date indication to release the jumper.
  • this locking member is in the form of a lever whose pivot axis merges with its central axis of symmetry.
  • the locking lever 52 comprises two arms 53a and 53b diametrically opposed by which it is supported on the one hand against the jumper 50 and on the other hand against an activation member 54 which is itself activated by the date correction wheel of the date indication.
  • this activation member 54 is formed by the wheel 132 of the third mobile multiplier 13.
  • this example is given for illustrative purposes only and it could be envisaged that the locking lever 52 is in support, directly or via an intermediate element, against another wheel of the gear train of the date indication correction.
  • the arm 53b of the locking lever 52 is held pressed against the teeth of the wheel 132 by an arm 51b of the spring 51 which comes from the material with the arm 51a of the latter.
  • the jumper 50 comprises a recess 56 to facilitate the support of the arm 53a of the locking lever 52.
  • the jumper 50 rotates in turn to pass the interval between two teeth 22 of the internal toothing of the date ring 2 in which it is at the next interval by passing over the tooth 22 which separates these two intervals.
  • the jumper 50 rotates the locking lever 52 clockwise, that is to say in the same direction as the direction in which the wheel 132 rotates it, against the return force arm 51 b of the spring 51 which tends to bring said lever 52 back to its locking position of the jumper 50.
  • the date mechanism according to the invention is shown in the position immediately preceding the passage of the date indication of a given date, in this case the "16", the next date, here the "17". It can be seen in this figure that the jumper 50 is supported by its heel 60 on that of the teeth 22 of the internal toothing of the date ring 2 which separates the gap between two teeth 22 in which said jumper 50 was located next interval in which said jumper 50 will fall. Additionally, the jumper 50 keeps the lever 52 away from its rest position in which it blocks said jumper 50.
  • the locking lever 52 rises along the side 58 of the jumper 50 and at the figure 7F which represents the date mechanism according to the invention after the jump of the date, the end of the arm 53b of the locking lever 52 has returned to lodge in the recess 56 of the jumper 50, thus blocking the latter again.
  • the upper date ring 2 is constantly blocked and therefore has good impact resistance and is unlikely to jump unexpectedly. More specifically, during the normal operation phases of the watch, the upper date disk 2 is held in the locking position by the locking lever 52 and during the correction periods of the date indication, the date disk 2 is maintained by the upper gear of the correcting mobile 9.
  • a locking lever 52 ' arranged under the locking lever 52 and pivotally mounted about the same axis as the latter.
  • This locking lever 52 ' cooperates with the wheel 122 of the fourth multiplier gear 14 and with a jumper 50' mounted under the jumper 50 and pivoting about the same axis as the latter.
  • the locking lever 52 ' is held against the wheel 122 by a spring 51 b' and the jumper 50 'is held in the indexing position of the lower date ring 3 by a spring 51 a'.
  • the two springs 51b 'and 51a' can be separated or come from one another. It can even be envisaged, as represented in figure 6 , that the four springs 51a, 51a ', 51b and 51b' are made in one piece in the form of elastic blades parallel in pairs.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP08167519A 2008-10-24 2008-10-24 Hilfsvorrichtung zur Positionshaltung einer Datumsanzeigescheibe für Uhrwerk Active EP2180383B1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AT08167519T ATE543125T1 (de) 2008-10-24 2008-10-24 Hilfsvorrichtung zur positionshaltung einer datumsanzeigescheibe für uhrwerk
EP08167519A EP2180383B1 (de) 2008-10-24 2008-10-24 Hilfsvorrichtung zur Positionshaltung einer Datumsanzeigescheibe für Uhrwerk
SG200906771-1A SG161164A1 (en) 2008-10-24 2009-10-09 Device that assists in maintaining the position of a date indicator disc for a timepiece
KR1020090097045A KR101550072B1 (ko) 2008-10-24 2009-10-13 시계용 데이트 인디케이터 디스크의 위치를 유지시키기 위한 장치
US12/604,796 US8040759B2 (en) 2008-10-24 2009-10-23 Device that assists in maintaining the position of a date indicator disc for a timepiece
CN200910207524.7A CN101727063B (zh) 2008-10-24 2009-10-26 协助保持用于钟表的日期指示器盘的位置的装置
JP2009245262A JP5600251B2 (ja) 2008-10-24 2009-10-26 時計用の日車板の位置を保持するのに役立つデバイス
HK10111479.5A HK1144842A1 (en) 2008-10-24 2010-12-09 Device that assists in maintaining the position of a date indicator disc for a timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08167519A EP2180383B1 (de) 2008-10-24 2008-10-24 Hilfsvorrichtung zur Positionshaltung einer Datumsanzeigescheibe für Uhrwerk

Publications (2)

Publication Number Publication Date
EP2180383A1 true EP2180383A1 (de) 2010-04-28
EP2180383B1 EP2180383B1 (de) 2012-01-25

Family

ID=40524964

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08167519A Active EP2180383B1 (de) 2008-10-24 2008-10-24 Hilfsvorrichtung zur Positionshaltung einer Datumsanzeigescheibe für Uhrwerk

Country Status (8)

Country Link
US (1) US8040759B2 (de)
EP (1) EP2180383B1 (de)
JP (1) JP5600251B2 (de)
KR (1) KR101550072B1 (de)
CN (1) CN101727063B (de)
AT (1) ATE543125T1 (de)
HK (1) HK1144842A1 (de)
SG (1) SG161164A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2902852A1 (de) * 2014-01-31 2015-08-05 ETA SA Manufacture Horlogère Suisse Datumsanzeigevorrichtung für eine Uhr
EP3173877A1 (de) 2015-11-26 2017-05-31 Rolex Sa Kalendersystem für uhr
US10067473B2 (en) 2015-11-26 2018-09-04 Rolex Sa Horology calendar system
US10345759B2 (en) 2015-11-26 2019-07-09 Rolex Sa Horology calendar system
WO2020065574A3 (fr) * 2018-09-26 2020-07-02 Patek Philippe Sa Geneve Mécanisme d'affichage à guichet unique

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EP2407833B1 (de) * 2010-07-14 2013-03-13 Breitling AG Spielausgleichsmechanismus für Uhrwerk
FR2973122B1 (fr) * 2011-03-23 2014-01-03 Samep Montres Emile Pequignet Mecanisme d'actionnement pour mouvement horloger et mouvement horloger correspondant
CH707269B1 (fr) * 2012-11-16 2018-07-13 Winston Harry Sa Méchanisme d'affichage de plusieurs informations horométriques différentes et pièce d'horlogerie comprenant un tel mécanisme.
US8770832B1 (en) * 2013-01-24 2014-07-08 Howard Kuo Flip watch bezel
EP2835697B1 (de) * 2013-08-05 2022-01-05 ETA SA Manufacture Horlogère Suisse Vorrichtung zur Anzeige einer Datumsanzeige
JP6494266B2 (ja) * 2013-12-13 2019-04-03 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ 時計仕掛けのムーブメントのためのジャンパー
JP6649809B2 (ja) * 2016-03-08 2020-02-19 セイコーインスツル株式会社 日回し車、カレンダ機構、ムーブメントおよび時計
EP4220308A3 (de) * 2020-11-27 2023-08-09 Omega SA Rollensprung-uhrenanzeigemechanismus

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CH491420A (fr) * 1968-05-30 1969-12-31 Movado Montres Pièce d'horlogerie à quantième
EP1962152A1 (de) 2007-02-23 2008-08-27 Zenith International SA Schutzvorrichtung für Anzeige.

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2902852A1 (de) * 2014-01-31 2015-08-05 ETA SA Manufacture Horlogère Suisse Datumsanzeigevorrichtung für eine Uhr
US9122247B2 (en) 2014-01-31 2015-09-01 Eta Sa Manufacture Horlogere Suisse Date display device for a timepiece
EP3173877A1 (de) 2015-11-26 2017-05-31 Rolex Sa Kalendersystem für uhr
US10067473B2 (en) 2015-11-26 2018-09-04 Rolex Sa Horology calendar system
US10345759B2 (en) 2015-11-26 2019-07-09 Rolex Sa Horology calendar system
US10437198B2 (en) 2015-11-26 2019-10-08 Rolex Sa Timepiece calendar system
WO2020065574A3 (fr) * 2018-09-26 2020-07-02 Patek Philippe Sa Geneve Mécanisme d'affichage à guichet unique
EP4293431A3 (de) * 2018-09-26 2024-02-28 Patek Philippe Sa Geneve Anzeigemechanismus mit einem einzigen schalter

Also Published As

Publication number Publication date
CN101727063A (zh) 2010-06-09
EP2180383B1 (de) 2012-01-25
JP5600251B2 (ja) 2014-10-01
JP2010101896A (ja) 2010-05-06
CN101727063B (zh) 2013-04-03
KR20100045914A (ko) 2010-05-04
SG161164A1 (en) 2010-05-27
ATE543125T1 (de) 2012-02-15
HK1144842A1 (en) 2011-03-11
US20100103780A1 (en) 2010-04-29
KR101550072B1 (ko) 2015-09-03
US8040759B2 (en) 2011-10-18

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