EP1657604A2 - Timepiece with state-of-winding indicator mechanism - Google Patents

Timepiece with state-of-winding indicator mechanism Download PDF

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Publication number
EP1657604A2
EP1657604A2 EP20050021569 EP05021569A EP1657604A2 EP 1657604 A2 EP1657604 A2 EP 1657604A2 EP 20050021569 EP20050021569 EP 20050021569 EP 05021569 A EP05021569 A EP 05021569A EP 1657604 A2 EP1657604 A2 EP 1657604A2
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EP
European Patent Office
Prior art keywords
timepiece
power reserve
barrel
axis
ratchet
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Withdrawn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
EP20050021569
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German (de)
French (fr)
Inventor
Pierre-Michel Golay
Jean-Pierre 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 EP1657604A2 publication Critical patent/EP1657604A2/en
Withdrawn legal-status Critical Current

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    • 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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • G04B9/005—Supervision of the state of winding, e.g. indicating the amount of winding by optical indication of the amount of winding
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/12—Driving mechanisms with mainspring with several mainsprings

Definitions

  • the subject of the invention is a timepiece with a mechanism for indicating the power reserve, comprising a mechanism driven by the relative movements of the barrel and the ratchet to indicate and display the number of days or hours of the reserve. of the timepiece.
  • a large number of devices are known that make it possible to indicate the power reserve of a timepiece, in particular a wristwatch, in which a differential mechanism is used driven by the relative displacements of the barrel and the ratchet and thus to enable displaying the power reserve of the timepiece according to a number of hours or days corresponding to a lapse of time during which the timepiece will operate without intermediate winding.
  • the object of the invention described below is to use a particular barrel construction to greatly simplify the mechanism for indicating the power reserve of the timepiece while improving its reliability.
  • the timepiece with its mechanism for indicating the power reserve is characterized in that it comprises 2 barrels placed face to face and having a common shaft and a bung so as to make them integral with one of the the other, the first barrel being used as a ratchet and the second meshing directly with the wheel of the counter wheel to control the escapement and the oscillator of the timepiece, the common axis of the two barrels directly attacking a rake connected to a axis of the display mechanism of the power reserve.
  • the rake of the power reserve mechanism is driven by 2 pins housed at the end of the shaft connecting the 2 barrels.
  • the rake of the power reserve mechanism can be driven by a gear placed at the end of the shaft.
  • the axis of the power reserve mechanism may have a needle moving over an area indication of the power reserve appearing on the dial of the timepiece.
  • the winding mechanism of the timepiece may include a winding rod engaged with a gear train arranged to rotate the barrel used as a ratchet, or a disc or cylinder placed behind a window of the dial.
  • the mechanism for indicating the power reserve shown in the drawing with reference to FIGS. 1 and 2 has been developed for a wristwatch. However, this use is not limiting and the mechanism for indicating the power reserve described can be used to equip pocket watches, or even clocks.
  • the timepiece comprises two barrels 1 and 2 respectively pivoting on a barrel shaft 3 and a plug 4 screwed onto the shaft, so as to make the two barrels 1 and 2 integral.
  • the barrels 1 and 2 each contain an identical barrel spring, not shown.
  • the barrel 1 is used as a ratchet and is rotated when the winding is carried out by means of a winding rod 5 and a gear mechanism 6, 7 and 8.
  • the barrel 2 normally meshes with the first mobile 9 of the counter wheel of the timepiece and thus transmits the energy necessary for the operation of the escapement and the oscillator.
  • the person skilled in the art easily understands that between the maximum arming and the complete disarming of the barrels 1 and 2, the number of laps completed is the addition of the numbers of revolutions of each of the barrels. But because the two barrels 1 and 2 contain identical springs, their number of turns of development are equal and therefore, during the time between the maximum arming and the complete disarming, the barrel shaft performs only half the total number of turns. For example, if each barrel has 12 turns of development, the barrel shaft 1 and 2 makes 12 turns in total.
  • This feature allows in operation to use the rotation of the common cylinder shaft to drive the power reserve indicator 10 in the extremely simple execution of the FIG. 2 in the form of a rake 10a driven by 2 pins 11 and 12 housed at the end of the barrel shaft 3. These two pins 11 and 12 cause the rake to execute a displacement of a tooth every half turn of the tooth. barrel shaft, as shown in the drawing. It is obvious to those skilled in the art that other embodiments using conventional gears or any other form of friction reduction are of course conceivable.
  • the power reserve mechanism 10 which has just been described is extremely simple and consists mainly of the rake 10a attached to the axis 13, which carries the needle 14.
  • the rake is driven directly by the barrel shaft 3 to by means of the two pins 11 and 12 fixed to the end of the shaft 3 along the axis of this shaft with a spacing corresponding to the teeth of the rake 10a.
  • This extremely simple construction of the power reserve mechanism 10 greatly improves the reliability and strength of said mechanism.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

The clock piece has a barrel (1) used as a ratchet and a barrel (2) engaging directly with a mobile of a gear train counter to control an escapement and an oscillator. A common staff strikes a power reserve mechanism (10) having a rack (10a) connected to a pivot carrying a hand to indicate power reserve. The rack is driven by pins (11, 12) fixed at the end of the staff along staff`s axis with a spacing relating to a tooth of the rack.

Description

L'invention a pour objet une pièce d'horlogerie avec mécanisme d'indication de la réserve de marche, comprenant un mécanisme entraîné par les déplacements relatifs du barillet et du rochet pour indiquer et afficher le nombre de jours ou d'heures de la réserve de marche de la pièce d'horlogerie.The subject of the invention is a timepiece with a mechanism for indicating the power reserve, comprising a mechanism driven by the relative movements of the barrel and the ratchet to indicate and display the number of days or hours of the reserve. of the timepiece.

On connaît un grand nombre de dispositifs permettant d'indiquer la réserve de marche d'une pièce d'horlogerie, notamment d'une montre bracelet, dans lesquelles on utilise un mécanisme différentiel entraîné par les déplacements relatifs du barillet et du rochet et permettre ainsi l'affichage de la réserve de marche de la pièce d'horlogerie selon un nombre d'heures ou de jours correspondant à un laps pendant lequel la pièce d'horlogerie fonctionnera sans remontage intermédiaire.A large number of devices are known that make it possible to indicate the power reserve of a timepiece, in particular a wristwatch, in which a differential mechanism is used driven by the relative displacements of the barrel and the ratchet and thus to enable displaying the power reserve of the timepiece according to a number of hours or days corresponding to a lapse of time during which the timepiece will operate without intermediate winding.

Le but de l'invention décrite ci-dessous consiste à utiliser une construction de barillet particulière permettant de simplifier grandement le mécanisme d'indication de la réserve de marche de la pièce d'horlogerie tout en améliorant sa fiabilité.The object of the invention described below is to use a particular barrel construction to greatly simplify the mechanism for indicating the power reserve of the timepiece while improving its reliability.

La pièce d'horlogerie avec son mécanisme d'indication de la réserve de marche est caractérisé en ce qu'elle comprend 2 barillets placés face à face et présentant un arbre commun et une bonde de manière à les rendre solidaires l'un de l'autre, le premier barillet étant utilisé comme rochet et le second engrènant directement avec le mobile du rouage compteur pour commander l'échappement et l'oscillateur de la pièce d'horlogerie, l'axe commun des deux barillets attaquant directement un râteau relié à un axe du mécanisme d'affichage de la réserve de marche.The timepiece with its mechanism for indicating the power reserve is characterized in that it comprises 2 barrels placed face to face and having a common shaft and a bung so as to make them integral with one of the the other, the first barrel being used as a ratchet and the second meshing directly with the wheel of the counter wheel to control the escapement and the oscillator of the timepiece, the common axis of the two barrels directly attacking a rake connected to a axis of the display mechanism of the power reserve.

Dans un mode d'exécution préféré de la pièce d'horlogerie, le râteau du mécanisme de réserve de marche est entraîné par 2 goupilles logées au bout de l'arbre reliant les 2 barillets.In a preferred embodiment of the timepiece, the rake of the power reserve mechanism is driven by 2 pins housed at the end of the shaft connecting the 2 barrels.

Alternativement, le râteau du mécanisme de réserve de marche peut être entraîné par un engrenage placé au bout de l'arbre.Alternatively, the rake of the power reserve mechanism can be driven by a gear placed at the end of the shaft.

L'axe du mécanisme de réserve de marche peut présenter une aiguille se déplaçant sur une zone d'indication de la réserve de marche figurant sur le cadran de la pièce d'horlogerie.The axis of the power reserve mechanism may have a needle moving over an area indication of the power reserve appearing on the dial of the timepiece.

Le mécanisme de remontage de la pièce d'horlogerie peut comprendre une tige de remontage en prise avec un train de rouages disposé pour mettre en rotation le barillet utilisé comme rochet, ou un disque ou un cylindre placé derrière un guichet du cadran.The winding mechanism of the timepiece may include a winding rod engaged with a gear train arranged to rotate the barrel used as a ratchet, or a disc or cylinder placed behind a window of the dial.

Le dessin représente, à titre d'exemple un mode d'exécution du mécanisme, objet de l'invention. Dans le dessin :

  • La figure 1 est une vue en perspective de la pièce d'horlogerie côté ponts, et
  • La figure 2 est un vue en perspective de la pièce d'horlogerie côté cadran.
The drawing represents, by way of example, a mode of execution of the mechanism, object of the invention. In the drawing:
  • FIG. 1 is a perspective view of the bridge-side timepiece, and
  • Figure 2 is a perspective view of the timepiece on the dial side.

Le mécanisme d'indication de la réserve de marche représenté dans le dessin en regard des figures 1 et 2 a été développé pour une montre bracelet. Cependant, cette utilisation n'est pas limitative et le mécanisme d'indication de la réserve de marche décrit peut être utilisé pour équiper des montres de poche, voire même des pendulettes.The mechanism for indicating the power reserve shown in the drawing with reference to FIGS. 1 and 2 has been developed for a wristwatch. However, this use is not limiting and the mechanism for indicating the power reserve described can be used to equip pocket watches, or even clocks.

Comme représentée dans les figures 1 et 2 du dessin, la pièce d'horlogerie comprend deux barillets 1 et 2 pivotant respectivement sur un arbre de barillet 3 et une bonde 4 vissée sur l'arbre, de manière à rendre solidaire les deux barillets 1 et 2. Les barillets 1 et 2 contiennent chacun un ressort de barillet identique non représenté. Le barillet 1 est utilisé comme un rochet et est mis en rotation lorsqu'on effectue le remontage au moyen d'une tige de remontage 5 et d'un mécanisme de rouage 6, 7 et 8.As represented in FIGS. 1 and 2 of the drawing, the timepiece comprises two barrels 1 and 2 respectively pivoting on a barrel shaft 3 and a plug 4 screwed onto the shaft, so as to make the two barrels 1 and 2 integral. The barrels 1 and 2 each contain an identical barrel spring, not shown. The barrel 1 is used as a ratchet and is rotated when the winding is carried out by means of a winding rod 5 and a gear mechanism 6, 7 and 8.

Le barillet 2 engrène normalement avec le premier mobile 9 du rouage compteur de la pièce d'horlogerie et transmet ainsi l'énergie nécessaire au fonctionnement de l'échappement et l'oscillateur. L'homme du métier comprend aisément que entre l'armage maximum et le désarmage complet des barillets 1 et 2, le nombre de tours accomplis est l'addition des nombres de tours de chacun des barillets. Mais du fait que les deux barillets 1 et 2 contiennent des ressorts identiques, leur nombre de tours de développement sont égaux et par conséquent, pendant le temps s'écoulant entre l'armage maximum et le désarmage complet, l'arbre de barillets n'effectue que la moitié du nombre de tours total. Par exemple, si chaque barillet a 12 tours de développement, l'arbre 3 de barillet 1 et 2 effectue 12 tours au total.The barrel 2 normally meshes with the first mobile 9 of the counter wheel of the timepiece and thus transmits the energy necessary for the operation of the escapement and the oscillator. The person skilled in the art easily understands that between the maximum arming and the complete disarming of the barrels 1 and 2, the number of laps completed is the addition of the numbers of revolutions of each of the barrels. But because the two barrels 1 and 2 contain identical springs, their number of turns of development are equal and therefore, during the time between the maximum arming and the complete disarming, the barrel shaft performs only half the total number of turns. For example, if each barrel has 12 turns of development, the barrel shaft 1 and 2 makes 12 turns in total.

Cette particularité, permet en fonctionnement d'utiliser la rotation de l'arbre de barillet commun pour entraîner l'indicateur de réserve de marche 10 se présentant dans l'exécution extrêmement simple de la figure 2 sous la forme d'un râteau 10a entraîné par 2 goupilles 11 et 12 logées en bout d'arbre de barillet 3. Ces deux goupilles 11 et 12 font exécuter au râteau un déplacement d'une dent à chaque demi tour de l'arbre de barillet, comme représenté dans le dessin. Il est évident pour l'homme du métier que d'autres formes d'exécution utilisant des engrenages conventionnels ou toutes autres formes de réduction par friction sont bien évidemment envisageables.This feature, allows in operation to use the rotation of the common cylinder shaft to drive the power reserve indicator 10 in the extremely simple execution of the FIG. 2 in the form of a rake 10a driven by 2 pins 11 and 12 housed at the end of the barrel shaft 3. These two pins 11 and 12 cause the rake to execute a displacement of a tooth every half turn of the tooth. barrel shaft, as shown in the drawing. It is obvious to those skilled in the art that other embodiments using conventional gears or any other form of friction reduction are of course conceivable.

La disposition particulière représentée dans les figures 1 et 2 du dessin permet la réalisation extrêmement simple du mécanisme d'indication de réserve de marche, dans lequel le râteau 11 est relié à un axe 13 comportant un long pivot au bout duquel est fixé l'aiguille 14 d'affichage de la réserve de marche. Le long pivot 13 traverse le cadran et l'aiguille 14 pourra se déplacer sur une zone non représentée figurant sur le cadran et indiquant la réserve de marche disponible de la pièce d'horlogerie.The particular arrangement shown in Figures 1 and 2 of the drawing allows the extremely simple embodiment of the power reserve indication mechanism, wherein the rake 11 is connected to an axis 13 having a long pivot at the end of which is fixed the needle 14 display of the power reserve. The long pivot 13 passes through the dial and the needle 14 can move on an unrepresented area on the dial and indicating the available power reserve of the timepiece.

Le mécanisme de réserve de marche 10 qui vient d'être décrit est extrêmement simple et se compose principalement du râteau 10a fixé à l'axe 13, qui porte l'aiguille 14. Le râteau est entraîné directement par l'arbre 3 de barillet au moyen des deux goupilles 11 et 12 fixées au bout de l'arbre 3 selon l'axe de cet arbre avec un espacement correspondant à la denture du râteau 10a. Cette construction extrêmement simple du mécanisme de réserve de marche 10 améliore considérablement la fiabilité et la résistance du dit mécanisme.The power reserve mechanism 10 which has just been described is extremely simple and consists mainly of the rake 10a attached to the axis 13, which carries the needle 14. The rake is driven directly by the barrel shaft 3 to by means of the two pins 11 and 12 fixed to the end of the shaft 3 along the axis of this shaft with a spacing corresponding to the teeth of the rake 10a. This extremely simple construction of the power reserve mechanism 10 greatly improves the reliability and strength of said mechanism.

Claims (6)

Pièce d'horlogerie avec mécanisme d'indication de la réserve de marche comprenant un mécanisme entraîné par les déplacements relatifs du barillet et du rochet pour indiquer et afficher le nombre de jours ou d'heures de la réserve de marche de la pièce d'horlogerie, caractérisée en ce qu'elle comprend deux barillets (1 et 2) placés face à face et reliés l'un à l'autre par un arbre commun (3) le premier barillet (1) étant utilisé comme rochet et le second (2) engrenant directement avec le mobile (9) du rouage compteur pour commander l'échappement et l'oscillateur, l'axe commun (3) des deux barillets attaquant le mécanisme d'affichage de la réserve de marche.Timepiece with mechanism for indicating the power reserve including a mechanism driven by the relative movements of the barrel and the ratchet to indicate and display the number of days or hours of the power reserve of the timepiece , characterized in that it comprises two barrels (1 and 2) placed face to face and connected to one another by a common shaft (3), the first barrel (1) being used as a ratchet and the second (2) ) meshing directly with the mobile (9) of the gear train to control the escapement and the oscillator, the common axis (3) of the two barrels attacking the display mechanism of the power reserve. Pièce d'horlogerie selon la revendication 1, caractérisée en ce que le mécanisme d'affichage de la réserve de marche comprend un axe (13) portant un organe d'indication par rapport au cadran de la pièce d'horlogerie.Timepiece according to claim 1, characterized in that the display mechanism of the Power reserve comprises an axis (13) carrying an indicating member with respect to the dial of the timepiece. Pièce d'horlogerie selon la revendication 2, caractérisée en ce qu'un râteau (10a) du mécanisme de réserve de marche est relié à l'axe (13) et entraîné par deux goupilles (11 et 12) logées au bout de l'arbre (3).Timepiece according to claim 2, characterized in that a rake (10a) of the power reserve mechanism is connected to the axis (13) and driven by two pins (11 and 12) housed at the end of the tree (3). Pièce d'horlogerie selon la revendication 2, caractérisée en ce qu'un râteau (10a) du mécanisme de réserve de marche est relié à l'axe (13) et entraîné par un engrenage placé au bout de l'arbre (3).Timepiece according to claim 2, characterized in that a rake (10a) of the power reserve mechanism is connected to the axis (13) and driven by a gear placed at the end of the shaft (3). Pièce d'horlogerie selon la revendication 2, caractérisée en ce que l'axe (13) du mécanisme de réserve de marche présente un aiguille (14) se déplaçant sur une zone d'indication de la réserve de marche représentée sur le cadran de la pièce d'horlogerie ou un disque, un cylindre, etc... placé derrière un guichet du cadran.Timepiece according to claim 2, characterized in that the axis (13) of the power reserve mechanism has a needle (14) moving on an indication zone of the power reserve represented on the dial of the timepiece or disc, cylinder, etc ... placed behind a dial window. Pièce d'horlogerie selon la revendication 1, caractérisée en ce que le mécanisme de remontage de la pièce d'horlogerie comprend une tige de remontage (5) en prise avec un train de rouages (6, 7 et 8) disposé pour mettre en rotation le barillet (1) utilisé comme rochet.Timepiece according to claim 1, characterized in that the winding mechanism of the timepiece comprises a winding rod (5) engaged with a gear train (6, 7 and 8) arranged to rotate the barrel (1) used as a ratchet.
EP20050021569 2004-11-10 2005-10-01 Timepiece with state-of-winding indicator mechanism Withdrawn EP1657604A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH18502004A CH698752B1 (en) 2004-11-10 2004-11-10 Timepiece with indication of the power reserve mechanism.

Publications (1)

Publication Number Publication Date
EP1657604A2 true EP1657604A2 (en) 2006-05-17

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EP20050021569 Withdrawn EP1657604A2 (en) 2004-11-10 2005-10-01 Timepiece with state-of-winding indicator mechanism

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CH (1) CH698752B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011503595A (en) * 2007-11-16 2011-01-27 モントレ・ジャケ・ドロー・エスアー Mainspring drive member for watch movement
CN101551635B (en) * 2008-03-31 2012-05-23 天津海鸥表业集团有限公司 Coaxial double-layer barrel linkage mechanism of watch
CH709807A1 (en) * 2014-06-24 2015-12-31 Manuf Et Fabrique De Montres Et Chronomètres Ulysse Nardin Le Locle S A Mechanism capable of converting two successive rotations in the same direction in a reciprocating rotation.
CN107817670A (en) * 2016-09-13 2018-03-20 天津海鸥表业集团有限公司 Double-spring watch driving assembly

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3306416B1 (en) 2016-10-04 2019-08-21 ETA SA Manufacture Horlogère Suisse Mechanical clock movement with power-reserve detection
EP3306415B1 (en) 2016-10-04 2020-05-20 ETA SA Manufacture Horlogère Suisse Mechanical clock movement with power-reserve detection
EP3333637B1 (en) 2016-12-12 2021-09-22 ETA SA Manufacture Horlogère Suisse Mechanical clock movement with power reserve detection
EP3992727B1 (en) 2020-10-30 2024-09-04 ETA SA Manufacture Horlogère Suisse Mechanical clock movement with running reserve detection

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011503595A (en) * 2007-11-16 2011-01-27 モントレ・ジャケ・ドロー・エスアー Mainspring drive member for watch movement
CN101861551B (en) * 2007-11-16 2012-02-29 雅克德罗手表有限公司 Spring loaded driving member for timepiece movement
CN101551635B (en) * 2008-03-31 2012-05-23 天津海鸥表业集团有限公司 Coaxial double-layer barrel linkage mechanism of watch
CH709807A1 (en) * 2014-06-24 2015-12-31 Manuf Et Fabrique De Montres Et Chronomètres Ulysse Nardin Le Locle S A Mechanism capable of converting two successive rotations in the same direction in a reciprocating rotation.
CN107817670A (en) * 2016-09-13 2018-03-20 天津海鸥表业集团有限公司 Double-spring watch driving assembly

Also Published As

Publication number Publication date
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