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EP2309345B1 - Herstellungsverfahren von Uhrwerken, die mit unterschiedlichen Frequenzen funktionieren - Google Patents

Herstellungsverfahren von Uhrwerken, die mit unterschiedlichen Frequenzen funktionieren Download PDF

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Publication number
EP2309345B1
EP2309345B1 EP11000484A EP11000484A EP2309345B1 EP 2309345 B1 EP2309345 B1 EP 2309345B1 EP 11000484 A EP11000484 A EP 11000484A EP 11000484 A EP11000484 A EP 11000484A EP 2309345 B1 EP2309345 B1 EP 2309345B1
Authority
EP
European Patent Office
Prior art keywords
movement
escapement
anchor
movements
escape wheel
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.)
Active
Application number
EP11000484A
Other languages
English (en)
French (fr)
Other versions
EP2309345A2 (de
EP2309345A3 (de
Inventor
Christophe Gigandet
Francisco Dias
Armin Behrend
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.)
Chopard Technologies SA
Original Assignee
Chopard Technologies 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
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Application filed by Chopard Technologies SA filed Critical Chopard Technologies SA
Publication of EP2309345A2 publication Critical patent/EP2309345A2/de
Publication of EP2309345A3 publication Critical patent/EP2309345A3/de
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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
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements
    • 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
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • 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
    • G04B18/00—Mechanisms for setting frequency
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D1/00—Gripping, holding, or supporting devices
    • G04D1/0092—Devices for positioning and sorting of the components

Definitions

  • the present invention relates to the field of mechanical watch movements.
  • Mechanical watch movements generally comprise, in particular, a barrel housing a mainspring, a train driven by the barrel and whose axes of some of the wheels carry indicator hands, a regulating member such as a balance-spring and, between the gear train and the regulating member, an escapement for maintaining the oscillations of the regulating member.
  • the exhaust includes an escape wheel driven by the gear train and a member, such as an anchor, located between the escape wheel and the regulating member.
  • the watch movements currently found on the market currently have a regulating organ oscillating at a frequency of 4 Hz and a 20-tooth escapement wheel. It has also been marketed under the brand name Zenith El Primero, a movement whose regulating organ oscillates at a frequency of 5 Hz and whose escape wheel includes, to the applicant's knowledge, 21 teeth.
  • the document FR 2162504 discloses different kinds of movements operating at different frequencies.
  • the present invention aims to provide a watch movement that can operate at a high frequency without the aforementioned disadvantages.
  • the frequency of the regulating member can be increased from one movement to another without increasing the ratio between the number of teeth N of the escape wheel and the frequency f, which ratio can be equal to a usual value.
  • the angular speed of rotation of the escape wheel therefore remains unchanged from one movement to the other, allowing the gear and more generally to the entire movement with the exception of the regulating member and the exhaust of remain unchanged.
  • the power reserve is also preserved.
  • the movements are made so that the exhaust of each movement further comprises an anchor located between the escape wheel and the regulating member, and that the distance between the centers of rotation of the escape wheel and the the anchor is substantially the same from one movement to another and the distance between the centers of rotation of the anchor and the regulating member is substantially the same from one movement to another.
  • the plates and bridges on which are mounted the different organs can be the same from one movement to another.
  • the movements can even be made to be substantially identical except for their escapement and their regulating organ.
  • tooth means a tooth of the escape wheel having a functional role, that is to say, in the case of an anchor escapement, a tooth which cooperates with the pallets of the anchor.
  • a traditional watch movement 1 comprises in particular a motor spring (not shown) housed in a barrel 2, a gear train 3 driven by the barrel 2, a regulating member of the balance-spring type 4 (of which only the balance is shown) and, the gear train 3 and the sprung balance 4, an exhaust 5.
  • the exhaust 5 comprises an escape wheel 6 and an exhaust pinion 7 which is secured to the wheel 6 and which meshes with a second wheel 8 of the gear train 3 to drive the wheel 6.
  • the exhaust 5 further comprises a member 9, for example an anchor, which cooperates with the escape wheel 6 and with a plate pin 10 secured to the axis of the balance-spring 4 for maintain the oscillations of the sprung balance 4.
  • the respective axes of some of the wheels of the train 3, namely the second wheel 8, a minute wheel and a wheel hours (not shown), are intended to carry the indicators of seconds, minutes and hours s, typically needles, moving over a watch face. All these elements are well known to those skilled in the art and will not be described in more detail.
  • the increase in the frequency of the sprung balance is accompanied by an increase in the number of teeth of the escape wheel.
  • Current manufacturing techniques allow the realization of wheels with a large number of teeth.
  • the figure 2 shows an escape wheel 11 and an exhaust anchor 12 forming part of an exhaust according to the invention.
  • the escape wheel 11 has 50 teeth and the exhaust of which it is part is intended to operate with a sprung balance oscillating at a frequency of 10 Hz (72000 vibrations per hour).
  • the figure 3 shows an escape wheel 13 and an exhaust anchor 14 forming part of another exhaust according to the invention.
  • the escape wheel 13 has 40 teeth and the exhaust of which it is part is intended to operate with a sprung balance oscillating at a frequency of 8 Hz (57600 vibrations per hour).
  • anchors 12 and 14 illustrated at Figures 2 and 3 may be identical although they cooperate with different exhaust wheels.
  • the ratio between the number of teeth of the escape wheel and the frequency of the spring balance is equal to 5, which is the value that is commonly encountered in the current movements.
  • the angular speed of rotation of the escape wheel is therefore the same as in the usual movements. It follows that a movement including one of the exhausts described above and the balance sprung-balance may have a conventional wheel, for example the wheel 3 illustrated in the figure 1 .
  • the distances from the exhaust are preserved from one exhaust to the other and are equal to usual values.
  • the center distance d3 of the escape wheel 11 and the anchor 12 is equal to the center distance d5 of the escape wheel 13 and the anchor 14 and to the center distance d1 of the usual escape wheel 6 and the usual anchor 9.
  • the center distance d4 of the anchor 12 and the corresponding balance is equal to the center distance d6 of the anchor 14 and corresponding balance and at the center distance d2 of the usual anchor 9 and the usual balance wheel 4. Keeping the same distances from one exhaust to the other, it facilitates the interchangeability of the exhaust assembly - regulating organ in a given movement and allows movements including respectively escapements as described above with the corresponding balance springs to have identical plates and bridges.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Springs (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Gears, Cams (AREA)

Claims (8)

  1. Verfahren zur Herstellung von mindestens zwei Uhrwerken, die mit unterschiedlichen Schwingungsfrequenzen funktionieren, dadurch gekennzeichnet, dass es die Gestaltung einer gemeinsamen Basis für die Uhrwerke, wobei die gemeinsame Basis ein Räderwerk (3) umfasst, das dazu dient, ein Federhaus mit einer Hemmung in jedem Uhrwerk zu verbinden, und für jedes der Uhrwerke die Auswahl einer Regulierorgan-Hemmung-Baugruppe (4, 11 bis 14) umfasst, die ein Regulierorgan (4), die eine Schwingungsfrequenz f aufweiset, und eine Hemmung (11 bis 14) umfasst, um die Schwingungen des Regulierorgans aufrecht zu erhalten, wobei die Hemmung ein Hemmungsrad (11, 13) mit N Zähnen umfasst, wobei die Schwingungsfrequenz f und die Anzahl der Zähne N von einem Uhrwerk zum anderen unterschiedlich sind und das Verhältnis zwischen N und f von einem Uhrwerk zum anderen im Wesentlichen dasselbe ist.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Uhrwerke derart hergestellt werden, dass die Hemmung (11 bis 14) von jedem Uhrwerk ferner einen Anker (12, 14) umfasst, der sich zwischen dem Hemmungsrad (11, 13) und dem Regulierorgan befindet, und dass der Abstand (d3, d5) zwischen den Drehpunkten des Hemmungsrads (11, 13) und des Ankers (12, 14) von einem Uhrwerk zum anderen im Wesentlichen derselbe ist und der Abstand (d4, d6) zwischen den Drehpunkten des Ankers (12, 14) und des Regulierorgans von einem Uhrwerk zum anderen im Wesentlichen derselbe ist.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Uhrwerke derart hergestellt werden, dass sie bis auf ihre Hemmung und ihr Regulierorgan im Wesentlichen vollständig identisch sind.
  4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Verhältnis zwischen der Anzahl der Zähne N und der in Hertz gemessenen Frequenz f im Wesentlichen gleich 5 ist.
  5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass zumindest eine der Frequenzen f mindestens gleich ungefähr 5 Hz ist.
  6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass die zumindest eine der Frequenzen f mindestens gleich ungefähr 6 Hz ist.
  7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass die zumindest eine der Frequenzen f mindestens gleich ungefähr 8 Hz ist.
  8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass die zumindest eine der Frequenzen f mindestens gleich ungefähr 10 Hz ist.
EP11000484A 2007-12-27 2007-12-27 Herstellungsverfahren von Uhrwerken, die mit unterschiedlichen Frequenzen funktionieren Active EP2309345B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20070025149 EP2075651B1 (de) 2007-12-27 2007-12-27 Uhrwerk, das ein Regulierorgan mit erhöhter Oszillationsfrequenz umfasst

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP07025149.1 Division 2007-12-27

Publications (3)

Publication Number Publication Date
EP2309345A2 EP2309345A2 (de) 2011-04-13
EP2309345A3 EP2309345A3 (de) 2011-05-04
EP2309345B1 true EP2309345B1 (de) 2013-03-13

Family

ID=39731735

Family Applications (3)

Application Number Title Priority Date Filing Date
EP20070025149 Active EP2075651B1 (de) 2007-12-27 2007-12-27 Uhrwerk, das ein Regulierorgan mit erhöhter Oszillationsfrequenz umfasst
EP11000483A Active EP2309344B1 (de) 2007-12-27 2007-12-27 Verfahren zur Veränderung der Oszillationsfrequenz eines Uhrwerks
EP11000484A Active EP2309345B1 (de) 2007-12-27 2007-12-27 Herstellungsverfahren von Uhrwerken, die mit unterschiedlichen Frequenzen funktionieren

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP20070025149 Active EP2075651B1 (de) 2007-12-27 2007-12-27 Uhrwerk, das ein Regulierorgan mit erhöhter Oszillationsfrequenz umfasst
EP11000483A Active EP2309344B1 (de) 2007-12-27 2007-12-27 Verfahren zur Veränderung der Oszillationsfrequenz eines Uhrwerks

Country Status (3)

Country Link
EP (3) EP2075651B1 (de)
DE (1) DE602007013587D1 (de)
HK (3) HK1127647A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2363762B1 (de) * 2010-03-04 2017-11-22 Montres Breguet SA Uhr mit einem mechanischen Hochfrequenzuhrwerk
CH703575B1 (fr) * 2011-03-22 2015-12-15 Lvmh Swiss Mft Sa Ancre d'échappement pour montre-bracelet mécanique et assortiment comportant une telle ancre.
CH705970B1 (fr) * 2012-01-09 2017-09-29 Lvmh Swiss Mft Sa Mécanisme d'horlogerie comprenant un oscillateur vibrant.
JP7012657B2 (ja) * 2016-03-14 2022-01-28 エルヴェエムアッシュ・スイス・マニュファクチャーズ・エスアー 時計のための装置、このような装置を備える時計仕掛けムーブメントおよび時計

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH174391A (fr) * 1934-05-22 1935-01-15 Schild Sa A Mouvement de montre ancre, de forme et à seconde.
FR892533A (fr) * 1942-12-03 1944-04-11 Electro App Balancier réglable
CH358036A (fr) * 1956-06-21 1961-10-31 Theurillat Xavier Echappement à ancre à sauts libres pour mouvements d'horlogerie
CH752362A4 (de) * 1962-06-22 1965-11-15
CH1517065A4 (fr) 1965-11-03 1967-04-15 Girard Perregaux Et Cie S A Montre portative
GB1409572A (en) * 1971-12-06 1975-10-08 Theurillat X Anchor escapement for clocks and watches
CH1776371A4 (de) * 1971-12-06 1973-10-31
DE602005005465T2 (de) * 2005-06-23 2009-04-09 CSEM Centre Suisse d'Electronique et de Microtechnique S.A. - Recherche et Développement Uhr

Also Published As

Publication number Publication date
HK1152118A1 (en) 2012-02-17
EP2309344B1 (de) 2012-05-09
EP2075651A1 (de) 2009-07-01
EP2309345A2 (de) 2011-04-13
EP2309344A3 (de) 2011-05-04
HK1151864A1 (en) 2012-02-10
EP2309345A3 (de) 2011-05-04
DE602007013587D1 (de) 2011-05-12
EP2075651B1 (de) 2011-03-30
EP2309344A2 (de) 2011-04-13
HK1127647A1 (en) 2009-10-02

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