EP1708049B1 - Mécanisme indicateur des phases de la lune - Google Patents

Mécanisme indicateur des phases de la lune Download PDF

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Publication number
EP1708049B1
EP1708049B1 EP06003128.3A EP06003128A EP1708049B1 EP 1708049 B1 EP1708049 B1 EP 1708049B1 EP 06003128 A EP06003128 A EP 06003128A EP 1708049 B1 EP1708049 B1 EP 1708049B1
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EP
European Patent Office
Prior art keywords
disc
lunar
moon
wheel
display
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EP06003128.3A
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German (de)
English (en)
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EP1708049A3 (fr
EP1708049A2 (fr
Inventor
Denis Zimmermann
René Larsonneur
Philipp Bühler
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Richemont International SA
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Richemont International SA
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Publication of EP1708049A2 publication Critical patent/EP1708049A2/fr
Publication of EP1708049A3 publication Critical patent/EP1708049A3/fr
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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
    • G04B19/00—Indicating the time by visual means
    • G04B19/26—Clocks or watches with indicators for tides, for the phases of the moon, or the like
    • G04B19/268—Clocks or watches with indicators for tides, for the phases of the moon, or the like with indicators for the phases of the moon

Definitions

  • the present invention relates to a moon phase display mechanism comprising an upper disc, the moon dial, and a lower disc, the lunar disc, mounted concentrically therewith, one of which discs being mounted so as to be movable relative to the normal gear during normal operation another disc is spinning.
  • Such mechanisms are known in principle, especially in the context of complicated watches, and are used as a secondary display in wristwatches.
  • the moon phases perceived by the observer have a different appearance, depending on their location on the earth, in particular the latitude, as in the European patent application EP 1 445 672 International Watch Corporation (IWC).
  • the portion of the sun-illuminated area of the lunar surface visible to the viewer on the Earth is dependent on the relative position of the sun, the earth and the moon and the effect of this visible part on the observer also on the position of this observer on the earth.
  • the above-mentioned patent application of IWC proposes a mechanism that allows to account for the fundamental difference in the perception of the phases of the moon in the northern and southern hemisphere.
  • a correct display of the lunar phases takes place simultaneously for both hemispheres, in that the lunar display disc has two windows and is rotatably arranged above the stationary lunar disc with a corresponding background image.
  • the mechanism does not permit a selective display of the phases of the moon in a realistic form in only one hemisphere nor a realistic representation in the sense that other aspects, such as the position of the crescent moon inclined at the latitudes between the poles, would be taken into account.
  • the object of the present invention is therefore to realize, in contrast to known devices of this kind, a moon phase display which allows the different aspect of the earth phases perceived from the earth to be selected either on the northern or on the southern hemisphere of the earth and In particular, at the latitudes between the poles in the display to take into account accordingly and reproduce with simple means both the location and the size of the illuminated - and unlit part of the visible from the earth moon surface as natural as possible.
  • the present invention therefore has a mechanism for displaying the phases of the moon as an object having the characteristics of claim 1 or claim 17, these solutions being alternatives as regards their fundamental suitability to display the phases of the moon optionally in one of the two halves of the earth.
  • the mechanism according to claim 1 is characterized in particular by the fact that the disc, which does not rotate during the normal course of the mechanism, is mounted so as to be in a stationary position during the normal movement of the mechanism, but this position is adjustable by a rotary movement, to take into account the different aspect of the lunar phases at the latitudes of the earth, especially in the northern and southern hemisphere, in the display.
  • the mechanism according to claim 17 is characterized in that the gear train of the drive of the rotating disk is designed so that the sense of rotation of this disk is reversible to take into account the different aspect of the moon phases in the northern and southern hemisphere of the earth in the display ,
  • Figures 1a and 1b illustrate schematically the principle of a first embodiment of such a mechanism having a lunar display dial with a window and a lunar disc of suitable graphic design, the lunar phases being displayed for either the northern or southern hemisphere.
  • Figure 2 shows a plan view of the lunar phase display mechanism according to Figures 1a and 1b, together with an example of the lunar disk driving gears and for an adjustment mechanism for adjusting the stationary position of the moon dial.
  • FIGs 5a to 5c schematically illustrate the principle of another embodiment of such a mechanism, which has a two-window moon dial and a moon disk with associated graphics, with the moon phases displayed simultaneously for the northern and southern hemisphere;
  • Figure 5d illustrates a lunar disc, which can also be used in such a mechanism in conjunction with a moon dial with two windows.
  • Figure 6 shows a plan view of the moon phase display mechanism according to Figures 5a to 5c, together with an example of the moon dial driving wheels and an adjusting mechanism for adjusting the stationary position of the lunar disc.
  • the Figure 7 gives the cut II-II through the mechanism according to the Figure 6 again.
  • FIGs 8a and 8b illustrate a coupling system for the embodiment according to Figures 6 and 7, wherein Figure 8b on Detail of the Figure 7 is; in Figures 8c and 8d an alternative coupling system is outlined.
  • illustrations 9a to 9d represent by way of example a further embodiment of a mechanism according to the invention, which in this case allows the reversal of the sense of rotation of the lunar disc.
  • a moon phase display mechanism has a first upper disk, the moon dial 1.
  • a window 1a is pronounced, as in Figure 1a is shown schematically.
  • This window is here designed as an outer arcuate expression with two other arcuate segments on the inside, as is quite common in moon phase displays.
  • the lunar disc 2 becomes, as in Figure 1a shown schematically, concentrically placed under the moon dial 1 and acts as it were visible through the window 1a in the moon dial 1 background.
  • the moon disk 2 has, on its surface directed towards the moon dial 1, a graphic design which is suitable in conjunction with the window 1a of the moon dial 1 for displaying the phases of the moon.
  • the moon disk 2 for this purpose has, for example, two bright circular surfaces 2a whose size corresponds to the arcuate segments of the window 1a, on a dark background 2b.
  • the lunar disc 2 is mounted in this embodiment so that during the normal course of the mechanism relative to the moon dial 1 turns, which is resting meanwhile.
  • This corresponds to the constellation of known moon phase displays, wherein the moon dial 1 in known watches normally part of the dial and the window 1a in this case is a section thereof. Since the window 1a in the moon dial 1 or rather in the dial of known clocks is usually oriented upwards and the lunar disc 2 normally rotates to the right, therefore, the moon phases only for the northern hemisphere in principle, but not in detail, eg regarding the inclination of the crescent moon, displayed correctly.
  • the moon dial 1 is now explicitly designed as a disk separated from the dial, lying in the plane thereof and mounted on the other so that it is in a stationary position during the normal course of the mechanism, but this position is adjustable by a rotational movement, to take into account the different aspect of the lunar phases at the latitudes of the earth, especially in the northern and southern hemisphere, in the display.
  • rotation of the moon dial 1 can be effected by 180 °, so that the window 1a can be oriented either upwards or downwards.
  • the adjustably mounted disc, here the moon dial 1 thus has (at least) two stationary positions 180 ° apart, thereby indicating in principle either the moon phases of the northern or southern hemisphere according to the above explanatory explanations.
  • Both illustrations show, on the left hand side, an example of the wheelwork driving the lunar disk 2 and, on the other hand, an example of an adjusting mechanism for adjusting the stationary position of the lunar indicator disk 1 on the other hand.
  • the star 6a is thus once a day, usually at midnight and clockwise, rotated by one tooth.
  • a catch 6b secures the weekday star 6a against unintentional rotation.
  • the weekday wheel 6 in turn drives a moon-disk wheel 4 via a moon-phase intermediate wheel 5.
  • the moon pulley 4 and the lunar disc 2 are so firmly connected in this embodiment that they rotate synchronously with each other around a tube 3.
  • a through hole 2c for the pipe 3 is formed for this purpose.
  • the assembly moon dial 1 and 3 tube is rotatably mounted on the plate 8 with little play, the moon disc 2 and the moon pulley 4 encompassing; the moon dial 1 is thus an element rotatable in the dial 10.
  • the tube 3 is connected at its lower end further with a moon indicator wheel 11, which engages in a moon indicator intermediate wheel 12. This engages in a further intermediate wheel 13, which carries a septradstern 14, by means of a finger 15a of a Corrector 15 is goschaltbar.
  • the corrector 15 is operated by means of a crown, not shown. Both the moon indicator wheel 11 (and with it the tube 3 and the moon dial 1) as well as the intermediate wheel star 14 are secured by associated latches 11a and 14a against undesired rotation in a set stationary position.
  • the moon disc 2 in this embodiment of the mechanism performs a daily rotation through a certain angle.
  • This angle depends on the selected rotational speed, which in turn must be selected depending on the graphical design of the lunar disc 2 and the design of the window 1a of the moon dial 1, since, for example, depending on the size of the window and four or a different number than two bright circular areas on the moon disc 2 could be attached.
  • This rotational speed is set by means of a suitable reduction from the weekday star 6a to the moon disc wheel 4, which is well known to the person skilled in the art.
  • the moon dial 1 facing surface of the underlying moon disc 2 with the background image thereon gradually visible through the window 1a, so that the respective current moon phase on the dial 10 becomes.
  • the window 1a can be oriented upwards or downwards, as in FIG Figure 2 indicated by the dot-dashed position 1a '.
  • the gear train 11-15 of the adjusting mechanism for adjusting the stationary position of the moon dial 1 has a suitable translation for this purpose, so that, for example, one revolution of the crown causes a rotation of the moon dial 1 by 180 °. It can thus be by adjusting one of the two stationary positions of this disc. 1 between the display of the moon phases for the northern - or the southern hemisphere.
  • the weekday star 6a driving 24-hour wheel 7 in turn can be driven, for example, via an hour wheel not shown here, which performs a revolution in 12 hours, from the movement of the hand.
  • this can also be done, for example, by means of a gearshift lever, which switches the weekday star 6a by one tooth daily at midnight, or by means which are sufficiently known in connection with complex clocks.
  • the setting of the date on the watch is sufficient on the basis of the above-described drive wheel train in order to automatically correctly set the moon phase; otherwise this can be provided in the clock a well-known adjustment.
  • the mechanism for displaying the phases of the moon can thus be easily used in other work modules of a clock.
  • Figures 4a to 4c represent alternative adjustment mechanisms for adjusting the stationary position of the moon dial 1, wherein the adjustment takes place here by means of pushers.
  • Embodiment corresponds.
  • the mechanism here has a lunar disc 2, which is rotated during the normal course of the attached to her lunar disc wheel 4 to the attached to the plate 8 tube 3.
  • the moon dial 1 is rotatably mounted within the tube 3 and can be adjusted by means of the moon indicator 11 in two steps by 180 °.
  • this embodiment has a pusher 27 with a lever / rocker system 19 - 26 and an associated gear train 17 - 18, the Moon indicator wheel 11 drives its adjustment and can be inserted, for example between the base and the not shown in Figures 4a to 4c, perpetual calendar module.
  • the moon indicator wheel 11 is engaged with a Verstell formatrad 17, which in turn engages in a Verstellantriebsrad 18, which carries a Superge leopardrad 18a.
  • a pawl 19 which is pivotally mounted on an approximately triangular angle lever 20, wherein the angle lever 20 itself is pivotally mounted about the center of rotation 18 b of Verstellantriebsrades 18.
  • the angle lever 20 is connected to one end 22 a of a shift lever 22. This end 22a is acted upon by a first spring 23 to the outside, wherein the shift lever 22 operated by the pusher 27, d. H.
  • the other end 24b of the blocking lever 24 is acted upon by a second spring 25 to the outside, whereby at the same time the locking projection of the blocking lever 24 is pressed into the notch of the blocking disc 11b and the end 22b of the shift lever 22 is acted upon inwardly, ie in the same direction as the force effect the first spring 23.
  • a third spring 26 is mounted such that a projection located at its free end engages the second notch of the blocking disc 11b to secure it in position.
  • the mechanism operates in such a manner that upon actuation of the pusher 27, the end 22a of the shift lever 22, the pawl 19 by means of the connector 21 and the angle lever 20 by a tooth on the serrations of the sawtooth 18a counterclockwise switches back, as determined by the shifted, dashed position of these components in the Figure 4a is indicated.
  • the end 22b of the shift lever 22 of the blocking lever 24 is lifted by the end 22b of the shift lever 22 of the blocking lever 24 from the periphery of the blocking disc 11b, so that its locking projection emerges from the incision of this disc 11b and releases them.
  • the blocking disc 11b is then held in position only by the third spring 26.
  • the Figure 4c represents an alternative pusher mechanism in the sense that some parts may be designed differently for optimization, but the principle of operation is identical to the above embodiment.
  • a lever 22 d On the one hand can be introduced between the pusher 27 and the shift lever 22, a lever 22 d, on the other hand, the first spring 23 is not directly the end 22 a of Shift lever 22, but act on a hingedly connected thereto rotary lever 23a.
  • the blocking spring 24d on the blocking lever 24 for engaging in the Ein intimid on the blocking disc 11b and the extension of the blocking lever 24 to its action on the third spring 26, the blocking disc 11b are released on both sides by means of the pusher 27, while in this case is secured by an acting on the sawtooth 18a, additional spring 26a.
  • a designed according to this principle against over-rotation of the moon dial 1 is in principle applicable to any type of rotatably mounted disc or wheel, which is initially accelerated and then decelerated, generally applicable.
  • Another application example would be the mechanism for a large format display according to the European patent application EP 03020661.9 ,
  • FIGS. 5a to 5c Another embodiment of a mechanism according to the invention is schematically illustrated in FIGS. 5a to 5c.
  • the moon dial 1 has two windows 1a and 1b which are loud Figure 5a advantageously designed to represent the lunar surface as circular surfaces and are mounted at the same distance from the center of the disc 1 opposite, on.
  • the lunar disk 2 has an associated graphic design, which consists, for example, of two dark circular areas 2a of the size of the windows 1a and 1b of FIG Moon display disk 1 can consist on a light background 2b as in Figure 5b shown. These dark circular surfaces are correspondingly mounted in the same distance from the center of the disc 2, corresponding to the windows 1a and 1b of the moon dial 1.
  • a mechanism according to the invention according to this embodiment has a rotatable, several stationary positions to take wealthy lunar disc 2 in order to achieve a realistic as possible in this regard.
  • the adjustably mounted disc, here the lunar disc 2 thus has a plurality of spaced apart by the same angular distance stationary positions and is during the normal course of the mechanism in the currently set, corresponding to the respective latitude stationary position around the moon phases at this point the earth according to their local aspect more realistic display.
  • FIG. 6 and 7 A suitable mechanism for this embodiment is shown in Figures 6 and 7 in the top view and in section.
  • Both illustrations show, on the one hand, an example for the left-hand hand wheel train driving the lunar disk 2, and on the other hand an example of an adjusting mechanism for setting the stationary position of the lunar disk 2.
  • the mechanism is preferably also integrated in a clock with not shown perpetual calendar.
  • the Figure 6 is analogous to Figure 2 a top view again, in which the located under the dial 10 of the clock parts are located.
  • the gear train of the adjusting mechanism for adjusting the stationary position of the adjustably mounted disc requires no special translation in this embodiment, since the lunar disc 2 is to be indexed in small steps. It is therefore designed as a lunar disk star 2, in the teeth of a catch 2d for position assurance and a simple finger 15a of the crown driven by the corrector wheel 15 for indexing directly engages.
  • This gear train can therefore be made simpler compared to the previous embodiment and causes, for example, in one revolution of the crown, the progression of the lunar disc 2 by an angular range that can be selected by the number of teeth on its circumference.
  • the lunar disc has 36 teeth and can be adjusted in steps of 10 °, which correspond to the latitudes on the earth.
  • the adjustment mechanism can also be realized in this case by means of pushers. For doing so, it would be sufficient to adapt the mechanism described above for the first embodiment in this case, the actuation of the trigger causes the moon disc star to advance by one step.
  • the moon wheel 4 moved by the drive train 5 - 7 instead of attached to the lunar disc 2 to the turn rotatably mounted tube 3, since not the lunar disc 2, but the moon dial 1 during normal Ganges of the mechanism is turned.
  • Such a coupling system is located on the two discs 1, 2 and is designed such that these discs simultaneously rotate in the adjustment of the stationary position of the adjustably mounted disc and thereby the decoupling the wheel driving during the normal course of the mechanism driving wheel train. In the normal gear of the mechanism, however, this gear train drives the rotating disc and this is decoupled by the clutch system of the adjustably mounted disc.
  • FIGS 6, 7 and 8a and 8b show a concretely suitable for the present embodiment clutch system, which consists of two separate clutches.
  • a ratchet wheel 16 is mounted above the lunar disk wheel 4 and rotatable about the through-hole 2c in the lunar disk 2 Pipe 3 is mounted and which is connected to the moon dial 1 rotatably mounted there lunar disk 2 embracingly.
  • the tube 3 is fixedly connected to the moon pulley 4 and rotatably supported by a pin 8 mounted on the pin.
  • the serration of the ratchet wheel 16 is oriented so that when driving the moon pulley 4 in the clockwise direction during the normal course of the mechanism by attached to the edge of this wheel 4 pawls 4a, the ratchet wheel 16 and thus the moon dial 1 is rotated.
  • a second clutch is provided between the moon dial 1 and the moon disc 2.
  • This is similar to the first clutch of pawls 2e, which are attached here on the outer edge of the lunar disc 2, and from a corresponding saw tooth 1c, which is not visible in the dial 10 of the clock in the lower region of the circumference of the moon dial 1, like out Figure 8b is apparent.
  • the saw teeth 1c of the moon dial disc 1 and the associated pawls 2e on the lunar disc 2 are aligned so that upon adjustment of the lunar disc 2 in the clockwise direction by means of the crown or the corrector 15, the moon dial 1 is rotated in order not to adjust the displayed moon phase.
  • FIG. 8c shows one to the first Embodiment corresponding, in particular in conjunction with Figures 4a and 4b described mechanism in which the lunar disc 2 is rotated during normal gear from the moon pulley 4 to the fixed to the plate 8 tube 3, while the rotatably mounted inside the tube 3 moon dial 1 by means of the moon indicator 11, in this case in several steps adjusted can be.
  • the following interpretations can be applied analogously to the embodiment described above.
  • the lunar disc has 2 at the edge of both its lower - and its upper surface inclined spring arms 2g and 2h, which are fixed at one end to this disc, while the free end projects upwards.
  • the lunar disk wheel 4 and the lunar display disk 1 respectively have a sawtooth-shaped recess 4b or 1d at the edge of their upper or lower surface into which the spring arms 2g and 2h can engage.
  • the inclination of the spring arms and the sawtooth shape of the recesses is aligned so that the above-described coupling system described functionality is achieved.
  • the sawtooth-shaped recesses 4b on the lunar disk wheel 4 and the lower spring arms 2g on the lunar disc 2 clockwise from bottom to top run inclined so that the moon pulley 4 drives the lunar disc 2 in this direction.
  • the lunar disc 2 rotates clockwise in the case of adjustment of the moon dial 1, on the other hand, the lunar disc wheel 4 and thus the drive wheel train 5 - 7 are not moved.
  • the moon dial 1 is again not rotated, since it is z. B. by the detent 11 a, which engages in a fastened to the moon indicator 11 star 11 b, is secured and decoupled the clutch.
  • the spring arms in this coupling system can preferably be mounted on two circles with slightly different radius on the one wheel, so that the placement of a larger number of spring arms, z. B. 20 springs, is possible.
  • An inventive mechanism may further, in particular in the embodiment with a plurality of stationary positions of the adjustably mounted disc having means to the latitude or the Hemisphere corresponding angular position of the set stationary position display.
  • this can be done by means of a specifically designed outer edge 2f provided on the adjustably mounted disk, which has in particular approximately two lines symbolizing the equator, which, as in FIG Figure 6 represented in conjunction with index marks 10a on the dial 10 represent a tilt indicator.
  • the specific designed edge is loud in the embodiment Figures 6 and 7 as on the outer periphery of the lunar disc 2 increased edge 2f configured, which includes the moon dial 1 at the height of the dial 10.
  • the specifically designed rim may be directly part of this disc 1.
  • FIG. 6 Another embodiment of a mechanism according to the invention is loud by simple interchange of the rotating - and the adjustable disc in the case of implementation Figures 6 and 7 to obtain the rotation of the then normally rotating lunar disc counterclockwise, that is, inversely, in comparison to that of the moon dial 1 of Figure 6 , has to be.
  • a corresponding gear train is easily realized according to the above.
  • the graphic design of the lunar disk 2 generally includes at least one dark area 2a, which symbolizes the non-illuminated part of the lunar surface, and at least one bright area 2b, which symbolizes the illuminated part of the lunar surface.
  • the dark area 2a can, as in the example of Figure 5a to 5c . 6 and 7 in accordance with the remote from the lunar disc 1, on the Dial 10 of the clock visible top of the moon dial 1 can be selected.
  • the graphical design of the lunar disc 2 can now be subjected to numerous changes without this affecting the function of the lunar disc 2 or the principles of the present invention. It can be about the location, size or color, etc. of the corresponding areas on the disc 2 are changed, but generally also their shape.
  • One of the many conceivable alternatives for the graphic design of the lunar disc 2 is, for example, in Figure 5d shown.
  • the graphic design of the lunar disc 2 consists of a dark area 2a and a bright area 2b on the lunar disc 2, these two areas being delimited from each other by means of two arcuate parting lines with a radius corresponding to the size of the windows 1a and 1b of the moon dial 1 ,
  • the background on the surface of the lunar disk 2 is thus divided into a light and a dark half, wherein the dark area on each side to the left and right of the center of the disc 2 is extended by one of the size of the windows 1a and 1b corresponding semicircle, like this Figure 5d is apparent.
  • the mechanism can be realized in a variety of other embodiments. This is possible because, as mentioned, only the relative movement between the two discs 1, 2 is important, the normally rotating disc and the adjustable disc can therefore be reversed in principle. moreover subject to the design of one or the window of the moon dial 1 and that of the background image of the moon disc 2 different possible variations, which allows more combinations.
  • both round windows in the moon dial 1 in conjunction with dark circles on the lunar disk 2 as well as arcuate windows in conjunction with bright circles to consider plus the ability to use only one - or two round windows, which also can also be used with an arcuate background image; In any case, the interchanging of rotating and adjustable disc is to be considered.
  • FIGS. 9a to 9d A concrete embodiment will be explained with reference to FIGS. 9a to 9d, wherein identical designation symbols again designate the same or corresponding components.
  • the Figure 9a a view from above to a first embodiment according to Figures 2 and 3 analogous execution again.
  • the following is transferable in its entirety to all other embodiments mentioned above, since in each case the normally rotating disc is driven by means of the moon disc wheel 4 and the following explanations are based only on the drive of this wheel, but not on the drive behind the moon disc wheel 4 located parts.
  • a 24-hour wheel 7 which performs a revolution in 24 hours, via a finger 7a mounted on a Weintagrad 6 weekday star 6a, which is secured by a detent 6b against unintentional rotation.
  • the weekday wheel 6 can in turn drive a moon-disk wheel 4 via a moon-phase intermediate wheel 5.
  • a changer wheel 5 a instead of the moon phase intermediate wheel 5, can also drive the moon disc wheel 4.
  • the moon phase intermediate wheel 5 and the changer wheel 5a are mounted on two bearings 28a and 28b on a changer 28 so that these wheels are engaged with each other.
  • the Changer 28 pivotally mounted about a located between the bearings 28a, 28b pivot point 28c.
  • an attached slide 31 can be moved in the direction of the clock inside by pressing the rocker or button 32.
  • a pivotally mounted lever 30 is then also pressed inwardly because of its articulated connection by means of a pin 31a with the slider 31.
  • the lever 30 acts on the arm of the changer 28 carrying the moon phase intermediate wheel 5 and pivots it inwards in such a way that the changer 28 changes into the first position 28 'and only the moon phase intermediate wheel 5 engages directly into the moon pulley wheel 4.
  • a corresponding bistable rocker or key mechanism is, for example, from the Swiss patent application 0899/03 known by IWC; the changer 28 is in interaction with the spring 29 and with this rocker or key 32 with the slider 31 in detail in Figure 9b shown.
  • the moon phase display mechanism according to the present invention therefore allows the moon phases to be displayed taking into account the difference in the respective terrestrial hemisphere that is visible to the viewer on the ground, especially with regard to the inclination of the crescent moon.
  • the invention can be very versatile, such as in perpetual calendars of watches, display fittings or the like, can be used.
  • the mechanism either has a disk which can easily be brought into one of two or more stationary positions for the selection of the display constellation or makes it possible to adapt the direction of rotation of the rotating disk to the constellation to be displayed.

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  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Displays For Variable Information Using Movable Means (AREA)

Claims (20)

  1. Mécanisme indicateur des phases lunaires, destiné à être utilisé dans des pièces d'horlogerie, lequel comporte un disque supérieur, le disque d'indication de lune (1), et un disque inférieur, le disque de lune (2), monté de manière concentrique par rapport au disque d'indication de lune, l'un de ces disques (1, 2) étant monté de sorte à tourner par rapport à l'autre disque pendant un fonctionnement normal du mécanisme, alors que l'autre disque (1, 2) se trouve dans une position stationnaire pendant le fonctionnement normal du mécanisme, caractérisé en ce que cet autre disque (1, 2) est monté de manière ajustable, de sorte que ladite position stationnaire soit réglable par un déplacement en rotation, afin de prendre en considération dans l'affichage l'aspect différent des phases lunaires aux latitudes terrestres, notamment sur l'hémisphère nord et sud.
  2. Mécanisme selon la revendication précédente, caractérisé en ce que le disque (1, 2) monté de manière ajustable peut adopter au moins deux positions stationnaires éloignées de 180 ° afin d'afficher les phases lunaires conformément à leur aspect soit sur l'hémisphère nord soit sur l'hémisphère sud.
  3. Mécanisme selon l'une quelconque des revendications précédentes, caractérisé en ce que le disque (1, 2) monté de manière ajustable peut adopter une pluralité de positions stationnaires éloignées chacune du même écart angulaire afin d'afficher les phases lunaires aux latitudes de la terre conformément à l'aspect local.
  4. Mécanisme selon l'une quelconque des revendications précédentes, caractérisé en ce que le disque (1, 2) monté de manière ajustable comporte des moyens pour afficher la position angulaire correspondant à la latitude ou à l'hémisphère de la position stationnaire choisie.
  5. Mécanisme selon la revendication précédente, caractérisé en ce que les moyens sont réalisés par un bord extérieur (2f) prévu sur le disque (1, 2) monté de manière ajustable, ce bord comportant notamment deux traits symbolisant l'équateur qui, en interaction avec des traits d'index (10a) sur un cadran (10) d'une montre recevant ledit mécanisme, représentent un indicateur d'inclinaison.
  6. Mécanisme selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte sur les deux disques (1, 2) un système de couplage conçu de telle manière que lesdits disques tournent simultanément lors de l'ajustage de la position du disque (1, 2) monté de manière ajustable et qu'un rouage entraînant le disque (1, 2) rotatif pendant le fonctionnement normal du mécanisme soit désaccouplé à ce moment, alors que, pendant le fonctionnement normal du mécanisme, ledit rouage entraîne le disque (1, 2) rotatif et celui-ci est désaccouplé du disque (1, 2) monté de manière ajustable.
  7. Mécanisme selon la revendication précédente, caractérisé en ce que le système d'accouplement est constitué de deux accouplements séparés, qui sont placés d'une part entre le disque d'indication de lune (1) et le disque de lune (2), ainsi que d'autre part entre le disque rotatif (1, 2) pendant le fonctionnement normal du mécanisme ou une roue (16) fixée sur celui-ci et la roue de disque lunaire (4), les accouplements étant constitués chacun d'une denture de scie (1c, 16a) sur la circonférence de roue de l'une des roues ou de l'un des disques (1, 2) et d'au moins un cliquet (2e, 4a) sur l'autre roue ou sur l'autre disque (1, 2).
  8. Mécanisme selon la revendication 6, caractérisé en ce que le système d'accouplement est constitué de deux accouplements séparés, qui sont placés d'une part entre le disque d'indication de lune (1) et le disque de lune (2), ainsi que d'autre part entre le disque rotatif (1, 2) pendant le fonctionnement normal du mécanisme ou une roue (16) fixée sur celui-ci et la roue de disque lunaire (4), les accouplements étant constitués chacune d'évidements (1d, 4b) en forme de dents de scie sur le bord de la surface de l'une des roues ou de l'un des disques (1, 2) et d'au moins un bras de ressort (2g, 2h) incliné sur la surface de l'autre roue ou de l'autre disque (1, 2).
  9. Mécanisme selon l'une quelconque des revendications précédentes, caractérisé en ce que l'ajustage du disque (1, 2) monté de manière ajustable s'effectue à l'aide d'un rouage (11 à 15) entraîné par une couronne d'une montre recevant ledit mécanisme.
  10. Mécanisme selon l'une quelconque des revendications précédentes 1 à 8, caractérisé en ce que l'ajustage du disque (1, 2) monté de manière ajustable s'effectue à l'aide d'un rouage (11, 17, 18, 18a) entraîné par un poussoir (27) d'une montre recevant ledit mécanisme, en combinaison avec un système de levier ou de bascule (19 à 26) associé.
  11. Mécanisme selon l'une quelconque des revendications précédentes, caractérisé en ce que le disque monté de manière ajustableest le disque d'indication de lune (1) et comporte une fenêtre (1a).
  12. Mécanisme selon la revendication précédente, caractérisé en ce que la fenêtre (la) présente une conformation curviligne et le disque de lune (2) comporte au moins deux surfaces circulaires claires sur un fond sombre.
  13. Mécanisme selon la revendication 11, caractérisé en ce que la fenêtre (la) est de forme circulaire et le disque de lune (2) comporte aux moins deux surfaces circulaires sombres de la taille de la fenêtre (1a, 1b) du disque d'indication de lune (1) sur un fond clair.
  14. Mécanisme selon l'une quelconque des revendications précédentes 1 à 10, caractérisé en ce que le disque monté de manière ajustable est le disque de lune (2) et le disque d'indication de lune (1) comporte une ou deux fenêtres (1a, 1b) de forme circulaire.
  15. Mécanisme selon la revendication précédente, caractérisé en ce que le disque de lune (2) comporte deux surfaces circulaires sombres de la taille de la fenêtre (1a, 1b) du disque d'indication de lune (1) sur un fond clair.
  16. Mécanisme selon la revendication 14, caractérisé en ce que le disque d'indication de lune (1) comporte deux fenêtres (1a, 1b) et le disque de lune (2) comporte une zone sombre et une zone claire, lesdites deux zones étant délimitées l'une de l'autre par deux lignes de séparation curvilignes d'un rayon correspondant à la taille des fenêtres (1a, 1b) du disque d'indication de lune (1).
  17. Mécanisme indicateur des phases lunaires, destiné à être utilisé dans des pièces h'horlogerie, lequel comporte un disque supérieur, le disque d'indication de lune (1), et un disque inférieur, le disque de lune (2), monté de manière concentrique par rapport au disque d'indication de lune, l'un de ces disques (1, 2) étant monté de sorte à tourner par rapport à l'autre disque pendant un fonctionnement normal du mécanisme, alors que l'autre disque (1, 2) se trouve dans une position stationnaire pendant le fonctionnement normal du mécanisme, caractérisé en ce que le rouage de l'entraînement du disque rotatif (1, 2) est conçu de telle sorte que le sens de rotation de ce disque soit réversible, afin de prendre en considération dans l'affichage l'aspect différent des phases lunaires sur l'hémisphère nord et sud de la terre.
  18. Mécanisme selon la revendication précédente, caractérisé en ce qu'une roue intermédiaire des phases lunaires (5) et une roue de changeur (5a) sont montées sur deux zones de logement (28a, 28b) sur un changeur (28) logée en pivotement autour d'un point de rotation (28c) situé entre les zones de logement (28a, 28b), de telle sorte que lesdites roues (5, 5a) se trouvent en engagement mutuel et que la roue intermédiaire des phases lunaires (5) soit toujours en liaison cinématique avec la roue d'entraînement (7) du mécanisme d'entraînement du disque rotatif, alors que, en fonction de la position du changeur (28) dans une première (28') ou deuxième position (28") stable, la roue intermédiaire des phases lunaires (5) ou la roue de changeur (5a) entraîne le disque rotatif (1, 2).
  19. Mécanisme selon la revendication précédente, caractérisé en ce que qu'il comporte une bascule ou touche (32) bistable, laquelle permet la commutation du changeur (28) dans ses deux positions stables (28', 28").
  20. Pièce d'horlogerie, caractérisée en ce qu'elle comporte un mécanisme indicateur des phases lunaires selon l'une quelconque des revendications précédentes.
EP06003128.3A 2005-03-31 2006-02-16 Mécanisme indicateur des phases de la lune Active EP1708049B1 (fr)

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US20060221771A1 (en) 2006-10-05
JP2006284593A (ja) 2006-10-19
US7609587B2 (en) 2009-10-27
EP1708049A3 (fr) 2010-12-01
EP1708049A2 (fr) 2006-10-04

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