EP2876506A1 - Uhrwerk mit zwei Funktionsweisen, und mit einem solchen Uhrwerk ausgestattete Uhr - Google Patents

Uhrwerk mit zwei Funktionsweisen, und mit einem solchen Uhrwerk ausgestattete Uhr Download PDF

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Publication number
EP2876506A1
EP2876506A1 EP13194331.8A EP13194331A EP2876506A1 EP 2876506 A1 EP2876506 A1 EP 2876506A1 EP 13194331 A EP13194331 A EP 13194331A EP 2876506 A1 EP2876506 A1 EP 2876506A1
Authority
EP
European Patent Office
Prior art keywords
wheel
mode
dial
movement
display
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
EP13194331.8A
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English (en)
French (fr)
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EP2876506B1 (de
Inventor
Frédéric Garinaud
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.)
Guenat SA Montres Valgine
Original Assignee
Guenat SA Montres Valgine
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 Guenat SA Montres Valgine filed Critical Guenat SA Montres Valgine
Priority to EP13194331.8A priority Critical patent/EP2876506B1/de
Priority to CH01956/13A priority patent/CH708889A2/fr
Publication of EP2876506A1 publication Critical patent/EP2876506A1/de
Application granted granted Critical
Publication of EP2876506B1 publication Critical patent/EP2876506B1/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • 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
    • G04B19/06—Dials
    • G04B19/16—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
    • G04B19/166—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24 with rotating scales
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/202—Indicating by numbered bands, drums, discs, or sheets by means of turning discs

Definitions

  • the present invention relates to a watch movement comprising a power source arranged to maintain the oscillations of a time base, by means of a finishing train, and to drive at least a first display mobile of a first indication relative to the time or the operation of the timepiece, in a first mode of operation, a switching mechanism arranged to alternately control the passage of the first display mobile of the first operating mode to a second operating mode and vice versa, in response to an action by a user, the nature of the displacements of the first display mobile being different between the first and second modes of operation.
  • the present invention also relates to a timepiece provided with such a watch movement.
  • Pieces have two display modes.
  • the minute hands and current hours are usually oriented toward the midday position.
  • a pusher is typically provided to act on a mechanism for engaging the movement and position the two needles next to the graduations corresponding to the current time. When the pusher is released, the hands return to their position at noon.
  • the second state in which the timepiece does not indicate the current time, can mislead the user. Indeed, if he wants to quickly learn the current time without realizing that the timepiece is in the second state, he may think that he reads the time when it is not the case. Furthermore, the needles being immobile in the second state, the user can not ensure that his timepiece still works without returning to the first state of the display.
  • the main object of the present invention is to propose a watch movement which makes it possible alternatively to produce a timepiece offering an original display, notably a mode of operation in which the time is not displayed, in the spirit of the prior art parts described above, while providing the user with the possibility of having a conventional time display.
  • the watch movement according to the invention is characterized in that it comprises at least one rotary dial support and a locking member arranged to cooperate at least indirectly with the dial support and maintain it in a fixed position in the first mode of operation, the switching mechanism being also arranged to allow the dial support to rotate in the second mode of operation.
  • the user can identify very quickly in which mode of operation is his timepiece, in particular by observing the orientation of his dial.
  • the watch movement comprises first and second kinematic chains arranged to drive the first display unit, respectively, in the first and second modes of operation, the switching mechanism being further arranged to neutralize the first driveline during the transition from the first to the second operating mode, and activate the first drive train when changing from the second to the first operating mode.
  • the first kinematic chain comprises a counting wheel comprising a first wheel, arranged at least at least indirectly with the finishing gear, and a second wheel arranged at least indirectly with the first wheel. display, the first and second wheels being connected to each other by a catch-up mechanism arranged in such a manner that the angular position of the second wheel is indexed to that of the first wheel in the first operating mode, and that the second wheel can be driven to rotate with reference to the first wheel in the second mode of operation.
  • the counting mobile performs a memory function to allow a different display of the mobile display in the second mode of operation, without losing the information associated with the first mode of operation.
  • the second kinematic chain comprises a drive wheel carried by a clutch rocker rotatably mounted on a frame member of the watch movement, the switching mechanism being arranged to move alternately the clutch rocker between first and second positions. , respectively disengaged and engaged, respectively associated with the first and second modes of operation.
  • the driving wheel is arranged to present a kinematic connection, on the one hand, with the source of energy and, secondly, with the first mobile display, in the second mode of operation.
  • the drive wheel also has a kinematic connection with the dial support to ensure its rotational drive in the second mode of operation.
  • the dial of the corresponding timepiece can be rotated without requiring the implementation of a specific complex complementary construction.
  • the locking member may advantageously comprise a hammer arranged to cooperate with a cam secured to the dial support in the first mode of operation.
  • the switching mechanism comprises a column wheel.
  • the first display mobile is preferably intended to carry a display member of the current minute or time.
  • the first display mobile is arranged substantially in the center of the watch movement, the dial support comprising a ring coaxial with the first display mobile and intended to carry a dial.
  • the ring is secured to an inner bearing ring associated with an outer bearing ring integral with a frame member of the watch movement.
  • the present invention also relates to a timepiece comprising a watch movement including the characteristics that have just been stated.
  • FIG. 1 represents a simplified plan view of a watch movement according to a preferred embodiment of the invention, in a first mode of operation;
  • the figure 2 represents a simplified plan view of the watchmaking movement of the figure 1 in a second mode of operation
  • the figure 3 represents a simplified perspective view of a first construction detail of the watchmaking movement of the figure 1 ;
  • the figure 4 represents a simplified plan view and partial transparency of a second construction detail of the watch movement of the figure 1 , and
  • the figure 5 represents a simplified cross-sectional view of a third construction detail of the watch movement of the figure 1 .
  • the figures 1 and 2 represent, in a same simplified plan view, a watch movement 1 according to a preferred embodiment of the invention, respectively, in first and second modes of operation.
  • the watch movement is visible by its platinum side on these two figures.
  • the watch movement 1 comprises a base gauge, on the plate 2 which is assembled a particular display mechanism, according to the present invention.
  • a display mechanism is integrated directly into a template that would be developed specifically, without departing from the scope of the invention.
  • the watch movement 1 comprises a source of energy, here having the shape of a spring housed in a barrel (reference numeral 4 on the figure 3 ), arranged to maintain the oscillations of a time base (not visible), by means of a finishing train (not visible), and to ensure the training of first and second mobile display of the current hours and minutes that is to say, respectively, an hour wheel 6 and a floor 8.
  • a source of energy here having the shape of a spring housed in a barrel (reference numeral 4 on the figure 3 ), arranged to maintain the oscillations of a time base (not visible), by means of a finishing train (not visible), and to ensure the training of first and second mobile display of the current hours and minutes that is to say, respectively, an hour wheel 6 and a floor 8.
  • the watch movement 1 is arranged to allow the driving of the hour hand, therefore the hour wheel 6, according to different first and second modes of operation.
  • the hour wheel 6 is driven via a first kinematic chain 10 to display the current hours.
  • the hour wheel 6 is driven via a second kinematic chain 12 to display information different from the current hours, as will be apparent from the detailed description which follows.
  • the watch movement 1 carries a dial support 14, coaxial with the road and the hour wheel and intended to carry a dial (reference numeral 16 on the figure 5 ).
  • the dial support is fixed in the first mode of operation of the watch movement. However, it is assembled to the watch movement so as to be rotated, with reference to the plate 2, in the second mode of operation.
  • a timepiece To pass the corresponding timepiece from one mode of operation to another, it is preferably provided with a pusher (not shown) allowing a user to actuate a switching mechanism passing the room d clock from one mode of operation to another in response to each pressure on the pusher.
  • This switching mechanism comprises, in the present preferred embodiment but without limitation, a column wheel 18 may be rotated by action of the pusher on a control lever 20.
  • the control lever is arranged in a manner to present an actuating surface 22 in the region of the winding and setting rod 24, for illustrative purposes, the pusher being intended to be coaxial therewith in this case.
  • the column wheel 18 cooperates with a locking member of the dial support 14 having the shape of a hammer 26, a spout 28 is capable of cooperating with the columns, the hammer 26 acting on a core cam 30 secured to the support 14 in the first mode of operation.
  • the column wheel 18 also cooperates with a clutch rocker 32, rotatably mounted on the plate 2, and carrying a part of the mobiles making up the second kinematic chain 12.
  • the column wheel turns one step and goes to the state illustrated on the figure 2 , the watch movement tilting in the second mode of operation.
  • the spout 34 falls between two columns of the column wheel 18, which causes the clutch rocker 32 to pivot clockwise from the figure 1 to the figure 2 .
  • the second kinematic chain 12 is then activated and takes over the first kinematic chain 10, as will emerge from the explanations that follow, causing a change in the mode of movement of the wheel hours 6.
  • the dial support 14 can be rotated.
  • adapted springs are provided to cooperate with the clutch rocker and with the hammer, as well as a jumper with the column wheel, in a conventional manner.
  • the figure 3 is a simplified perspective view of a first construction detail of the watch movement 1 which allows to better present its operation, including the passage of one of its two modes of operation to another.
  • the roadway 8 is driven conventionally from the force released by the spring of the cylinder 4, being engaged with a timer wheel (not visible, behind the hour wheel on the figure 3 ).
  • the first driveline 10 is driven here from this timer wheel to drive the hour wheel 6 in the first mode of operation.
  • the first kinematic chain comprises a counting wheel 38 whose first function is to allow the driving of the hour wheel 6 in the first mode of operation, and a second function of which is to keep at all times the information relating to the current time.
  • the counting wheel 38 comprises first and second wheels, 40 and 42, coaxial and connected to each other by a catch mechanism.
  • the latter is advantageously similar to the mechanism provided for connecting to one another the two shafts bearing the seconds hands timed in a split-second mechanism.
  • the first wheel 40 carries a core cam 44 while the second wheel 42 carries a spring 46 associated with a hammer 48 reset to cooperate with the core cam 44 of the first wheel.
  • the first wheel 40 meshes with the timer wheel and is therefore permanently driven.
  • the second wheel 42 When the second wheel 42 is not subjected to any particular constraint, its angular position is indexed to that of the first wheel 40 by cooperation of the hammer 48 with the core cam 44.
  • the second wheel 42 When the second wheel 42 is stressed, either a blocking or a different drive from that of the first wheel 40, it can present a relative rotational movement with respect to the first wheel 40. In this case, the hammer 48 slides on the periphery of the core cam 44. When this stress ceases, the cooperation of the hammer 48 with the core cam 44, under the effect of the spring 46, causes a return of the second wheel 42 in its indexed position on that of the first wheel 40, as illustrated in FIG. figure 4 .
  • the second wheel 42 is arranged in engagement with a first gear 50, itself engaged with the hour wheel 6.
  • the hour wheel 6 is driven via the counting wheel 38 and the first reference 50, to allow the display of current hours in the usual way.
  • the dial support 14 which carries a toothing 52, is engaged with a second reference 54 of the second kinematic chain 12.
  • This second reference 54 has a fixed position on the plate 2 and is arranged in engagement with a third return 56 itself engaged with a drive wheel 58, the latter two mobiles 56 and 58 being carried by the clutch rocker 32.
  • the clutch rocker 32 In the first mode of operation, the clutch rocker 32 is in the disengaged position, as illustrated in FIG. figure 1 . In this configuration, the driving wheel 58 meshes only with the third return 56, the latter being engaged only with the second return 54.
  • the dial support 14 is locked by the hammer 26, in this case. mode of operation, the mobiles of the second kinematic chain 12 are also.
  • the driving wheel 58 meshes with the barrel 4 and begins to rotate on itself, thereby causing the third and second links 54 and 56 to rotate.
  • the third return 56 meshes with the hour wheel 6 and drives it in rotation in a manner different from that of the first mode of operation.
  • the new movement of the hour wheel 6 is transmitted to the counting wheel 38, via the first return 50, which induces a disengagement of the first and second wheels 40 and 42, as explained above.
  • the second reference 54 drives the dial support 14 in rotation, via its toothing 52. This results in a rotation of the dial 16 at the corresponding timepiece.
  • the hour wheel 6 is rotated in the counter-clockwise direction in the second mode of operation of the watch movement 1, while the dial 16 is rotated in clockwise.
  • the third return 56 releases the hour wheel 6, which can take up a position associated with the value of the current time, defined by the angular position of the first wheel 40 of the counting wheel 38, under the effect of the mechanism catching up.
  • the dial support 14 is replaced by the hammer 26 in its position corresponding to the conventional position of the dial 16, causing a rotation of the mobiles of the second kinematic chain 12 without affecting the operation of the watch movement 1, insofar as it is no longer engaged with the barrel 4.
  • the figure 5 represents a simplified cross-sectional view taken in the central region of the watch movement 1, and illustrates a preferred embodiment of the construction of the dial support 14 and its assembly to the movement.
  • the dial support here comprises several constituent elements stacked one on the other and held together by means of screws 60.
  • the dial support 14 comprises a ring 62 on which is fixed the dial 16, an inner bearing ring 64 and a wheel 66 bearing the toothing 52 for driving the dial in rotation, the core cam 30 being interposed between the ring 62 and the inner race ring 64, also being traversed by the screws 60.
  • the inner race ring 64 cooperates with an outer race ring 68 to define a path for balls 70 and together define a ball bearing.
  • the outer bearing ring 68 is intended to be secured at least indirectly to the plate 2 of the watch movement 1.
  • the toothed wheel 66 can be rotated by the second return 54 in the second mode of operation, its rotational movement being retransmitted to the elements of which it is integral, in particular the dial 16.
  • the core cam 30 can be replaced by a ring of positioning whose inner periphery defines a cam, thanks to a variable radius, the most important point of radius being associated with the zero position of the dial.
  • a hammer bearing for example a circular periphery roller could cooperate with the periphery of the ring to ensure a reset and a locking of the dial.
  • the drive of the dial in this case could also be made at the periphery of the movement, by means of an internal gear ring which would be integral with the dial and the positioning ring.
  • the second kinematic chain such that the movements of the hour hand and the dial are detectable during a short-term observation in the second mode of operation.
  • the hour hand could turn counter-clockwise in about one minute, while the dial would turn clockwise for the same amount of time.
  • the display mechanism that has just been described has the advantage of providing an original and discreet display, without the risk of misleading the user when the current time is not displayed.
  • any other known mechanism for driving a needle according to two different drive modes can be implemented without departing from the scope of the present invention, such as for example a mechanism with feeler and cam of the type described in the application.
  • the teaching of the present invention may be applied to any type of display member and not only to an hour hand.
  • the present invention can be implemented indifferently in relation to the hour hand or the minute hand.
  • the drive of the dial could be made on the basis of the value of a physical quantity to be displayed without departing from the scope of the invention.
  • the preferred embodiment as described provides a drive of the dial in the second mode of operation, this is not necessarily necessary. Indeed, the skilled person can predict that the dial is held fixed in the first operating mode and simply released in the second operating mode, to rotate on itself according to the movements of the corresponding timepiece . In this case, it is preferable to provide a heterogeneous distribution of the dial masses, or even to add an unbalance to make it more sensitive to the effects of gravity.
  • the mechanism can be constructed in the form of an additional module for enriching a basic watchmaker's caliber or be directly integrated into a watch movement.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP13194331.8A 2013-11-25 2013-11-25 Uhrwerk mit zwei Funktionsweisen, und mit einem solchen Uhrwerk ausgestattete Uhr Active EP2876506B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13194331.8A EP2876506B1 (de) 2013-11-25 2013-11-25 Uhrwerk mit zwei Funktionsweisen, und mit einem solchen Uhrwerk ausgestattete Uhr
CH01956/13A CH708889A2 (fr) 2013-11-25 2013-11-25 Mouvement horloger à deux modes de fonctionnement et pièce d'horlogerie munie d'un tel mouvement horloger.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13194331.8A EP2876506B1 (de) 2013-11-25 2013-11-25 Uhrwerk mit zwei Funktionsweisen, und mit einem solchen Uhrwerk ausgestattete Uhr
CH01956/13A CH708889A2 (fr) 2013-11-25 2013-11-25 Mouvement horloger à deux modes de fonctionnement et pièce d'horlogerie munie d'un tel mouvement horloger.

Publications (2)

Publication Number Publication Date
EP2876506A1 true EP2876506A1 (de) 2015-05-27
EP2876506B1 EP2876506B1 (de) 2018-05-30

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EP13194331.8A Active EP2876506B1 (de) 2013-11-25 2013-11-25 Uhrwerk mit zwei Funktionsweisen, und mit einem solchen Uhrwerk ausgestattete Uhr

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EP (1) EP2876506B1 (de)
CH (1) CH708889A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114460827A (zh) * 2022-02-16 2022-05-10 广州品伦钟表有限公司 一种具有转盘式发光图案的钟表以及发光件的安装工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2159652A1 (de) * 2008-08-26 2010-03-03 Agenhor SA Anzeigemechanismus für Uhr, der die Anzeige sowie das Ausblenden der aktuellen Uhrzeit ermöglicht
CH701406A1 (fr) * 2009-07-03 2011-01-14 Laurent Ferrier Sa C O Rpn Soc Fiduciaire Montre-bracelet comportant un module d'affichage.
CH706204A2 (fr) * 2012-03-07 2013-09-13 Louis Vuitton Malletier Sa Mouvement de montre-bracelet pouvant fonctionner dans deux modes.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2159652A1 (de) * 2008-08-26 2010-03-03 Agenhor SA Anzeigemechanismus für Uhr, der die Anzeige sowie das Ausblenden der aktuellen Uhrzeit ermöglicht
CH701406A1 (fr) * 2009-07-03 2011-01-14 Laurent Ferrier Sa C O Rpn Soc Fiduciaire Montre-bracelet comportant un module d'affichage.
CH706204A2 (fr) * 2012-03-07 2013-09-13 Louis Vuitton Malletier Sa Mouvement de montre-bracelet pouvant fonctionner dans deux modes.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114460827A (zh) * 2022-02-16 2022-05-10 广州品伦钟表有限公司 一种具有转盘式发光图案的钟表以及发光件的安装工艺
CN114460827B (zh) * 2022-02-16 2023-12-12 广州品伦钟表有限公司 一种具有转盘式发光图案的钟表以及发光件的安装工艺

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Publication number Publication date
EP2876506B1 (de) 2018-05-30
CH708889A2 (fr) 2015-05-29

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