EP1886195A2 - Mouvement d'horlogerie equipe d'un mecanisme d'indication des phases de lune et de maree - Google Patents
Mouvement d'horlogerie equipe d'un mecanisme d'indication des phases de lune et de mareeInfo
- Publication number
- EP1886195A2 EP1886195A2 EP06763304A EP06763304A EP1886195A2 EP 1886195 A2 EP1886195 A2 EP 1886195A2 EP 06763304 A EP06763304 A EP 06763304A EP 06763304 A EP06763304 A EP 06763304A EP 1886195 A2 EP1886195 A2 EP 1886195A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheel
- tide
- moon
- mechanism according
- tides
- 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
Links
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 241000282461 Canis lupus Species 0.000 description 7
- 230000000737 periodic effect Effects 0.000 description 2
- 210000003323 beak Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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
- G04B19/26—Clocks or watches with indicators for tides, for the phases of the moon, or the like
- G04B19/266—Clocks or watches with indicators for tides, for the phases of the moon, or the like with indicators for tides
-
- 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 invention relates to the field of mechanical watchmaking. More specifically, it relates to a watch movement equipped with a mechanism for indicating moon phases and tides.
- the present invention aims to overcome the aforementioned disadvantage by providing a mechanism for adjusting the indication of moon phases and tides by a single manipulation. More specifically, the invention relates to a watch movement provided with an hour wheel, equipped with a tide and moon phase indication mechanism comprising a moon phase wheel and a tide wheel. both kinematically connected to the hour wheel and respectively intended to carry display means of the moon and tide phases. According to the invention, the tide wheel is kinematically connected to the hour wheel by means of the moon phase wheel.
- the mechanism according to the invention comprises, in addition, means for performing the simultaneous correction of moon phases and tides.
- the tide is, by nature, a local phenomenon.
- the time of the high and low tides varies from one place to another of the same coast, without the moon phases changing in the same way. It is therefore particularly interesting to have a watch allowing a tide adjustment independent of that of the moon phases.
- the mechanism according to the invention offers such a possibility.
- the invention relates to a mechanism, characterized in that it further comprises means for correcting the indication of the tides and disengagement means of the kinematic link between the mobile tides and the moon phase wheel, located between the moon phase and tide display means.
- the mobile tides comprises a first gear integral with the tide display means and cooperating with the means for correcting the tide indication, a second gear, kinematically connected to the wheel of moon phase, and connecting means of the first and second gears arranged to be disengaged when the torque applied by the tide indication correction means on the first wheel exceeds a predefined limit value.
- FIG. 1 illustrates a dial associated with the mechanism according to the invention
- FIG. 2 represents an embodiment of the mechanism according to the invention
- FIG. 3 illustrates a sectional view of a mobile according to the invention
- the mechanism for indicating the moon phases and tides according to the invention is intended to equip a watch, a dial of which is shown in FIG. 1.
- This dial includes a display of the moon phases 10 and a display of the tides. 12.
- the display of moon phases 10, of conventional type, is located at six o'clock on the dial.
- the tide display 12 is formed of a small round dial 14 located at nine o'clock and provided with a scale provided with graduations. As will be understood below, this scale makes it possible to indicate the hours at which high and low tides occur. In the illustrated embodiment, the pitch between two graduations represents one hour.
- the scale shows two high tides and two successive low tides, that is to say that the graduations extend over about 24 hours and 50 minutes, a double period of the tides phenomenon. In practice, two graduations are spaced fourteen degrees, twenty-nine minutes and forty-eight seconds, which does not allow a regular distribution over the entire periphery of the dial. To overcome this drawback, the scale is represented only on a portion
- a display disc 16 appearing in the dial 14 is driven at the frequency of one turn per period of twenty nine days, twelve hours and forty five minutes, or substantially a lunar month, by the mechanism according to the invention. which will be described below.
- This disc substantially represents an eight on the bottom of lines perpendicular to its longitudinal axis. The two ends of the eight indicate, at their points of tangency 18 and 20 with the graduation, the hours of the high tides, while the node 22 of the eight indicates, with the help of the lines of the bottom, the time of the low tides.
- the mechanism for indicating the moon phases and the tides shown in FIG. 2 and associated with the dial 14 comprises, mounted on a plate 24:
- a gear train 26 comprising, kinematically connected, a wheel of 28 hours, a moon phase wheel 30 and a tide mobile 32,
- the starting point of the gear train 26 is the hour wheel 28 located in the center of the plate 24, and making a turn every twelve hours.
- An intermediate wheel 38 meshes with the wheel 28, and carries a pinion 40 which meshes with a toothed wheel 42 on which is mounted, free to rotate, a finger 44.
- the wheel 42 is provided with a stop 46 intended to exert a thrust on the finger 44, as explained later, while limiting the rotation of the latter.
- a seven-star star wheel 48, integral with a pinion 50, is disposed in the vicinity of the wheel 42, so that one of its teeth is always engaged on the path of the finger 44.
- the star wheel 48 is positioned by a jumper spring 52.
- the pinion 50 meshes with the moon phase wheel 30.
- An intermediate mobile connects the moon phase wheel 30 and the moving tides 32. More particularly, the intermediate mobile comprises a pinion 54 engaged with the moon phase wheel 30 and an intermediate tide wheel 56 integral with the pinion 54 and meshing with the mobile tides 32.
- the gear ratio of pinion 54 to the intermediate wheel of the tides 56 is one half.
- the mobile tides 32 shown in Figure 3, comprises a wolf wheel 58 integral with a friction spring 60.
- the whole is mounted coaxially on a toothed wheel 62 of diameter close to that of the wheel 58
- the toothed wheel 62 is provided with an annular recess 64, made in its upper surface, and forming a housing for the friction spring 60.
- the side wall 66 of the recess 64 located on the outside side wheel 62 forms a slightly tilting angle, for reasons which will appear later.
- the friction spring 60 illustrated in Figure 4 has a circular central portion 68 and a plurality (at least two are necessary) of identical branches 70a, 70b and 70c, secured to the central portion 68 and distributed regularly on its periphery.
- Each branch 70a, 70b and 70c is connected to the central portion 68 by a substantially radial arm, and extends along it, following the contour without touching it.
- the branches 70a, 70b and 70c are terminated by runners 72a, 72b and 72c, whose surface intended to exert a friction has a radius of curvature substantially equal to that of the wall 66.
- the branches 70a, 70b, 70c are, in in addition, dimensioned to exhibit an elastic behavior exerted in the plane of the central portion 68.
- the friction spring 60 differs from friction springs well known to those skilled in the art, usually exerting an axial thrust and non-lateral.
- the friction spring 60 is housed in the recess 64.
- the dimensional ratio of the spring 60 relative to the recess 64 is chosen so that the branches 70a, 70b and 70c are compressed and exert, via the pads 72a , 72b and 72c, a substantially radial force on the wall 66.
- the slightly retracting angle of the wall 66 further ensures the retention of the friction spring 60 in the recess 64.
- the friction spring 60 thus connects the wheels 58. and 62, this link being disengaged as a function of the difference between the torques exerted on each of these two wheels.
- the toothed wheel 42 is driven through the wheel 38 and pinion 40, at a frequency of one turn per day.
- the finger 44 is driven by the stop 46 until it comes into contact with the tooth of the star wheel 48 engaged in its path. Then, under the action of the abutment 46, it exerts a thrust on the tooth, thereby rotating, with the aid of the jumper spring 52, the star wheel 48 of a seventh turn per day.
- the pinion 50 secured to the star wheel 48, then rotates the moon phase wheel 30 at a frequency of a turn substantially every two lunar months, ie fifty-nine days, one hour and thirty minutes.
- the moonphase wheel 30 in turn drives the toothed wheel 62 of the tide wheel 32 via the wheel 56 and pinion 54.
- the toothed wheel 62 is itself connected to the wolf wheel 58 by the frictional torque exerted by the friction spring 60, and the entire tide mobile 32 is driven, via the toothed wheel 62, at the frequency of one revolution per lunar month.
- the correction device 34 is formed of a pusher 74 operable from outside the watch and cooperating with the star wheel 48, and a leaf spring 76 resting on the pusher 74 to ensure its return at his rest position.
- the star wheel 48 advances by one step, driving the moon phase wheel 30 and, at the same time, the tide wheel 32 via the wheel 56 and the pinion 54. Displays of the moon phases and tides are corrected simultaneously after, for example, a stop of the mechanism of the watch.
- the correction device 36 consists of a ratchet rocker 78 cooperating with the moving tides 32, a pusher 80 cooperating with this rocker, and a leaf spring 82 bearing on the latter.
- the angle traveled by the wolf wheel 58 depends on the pressure exerted by the user, and can be, in practice, as low as desired. The adjustment made is thus substantially finer than it would be if a snap-in device was used in place of the friction spring 60.
- a snap-in device allows only a step adjustment.
- the leaf spring 82 returns the latch to ratchet 78 to its initial position.
- the pawl beak retracts during the return of the latch 78 so that the wolf wheel 58 is not driven in the opposite direction.
- the mechanism for indicating the moon phases and tides adapts to the dial shown in FIG. 1.
- the display disk 16 of the tides is integral with the wolf wheel 58, and that of the moon phases is integral with the moon phase wheel 30.
- a mechanism for indicating the moon phases and tides advantageously allowing simultaneous adjustment moon phase and tide displays; and independent tide display adjustment.
- Other variants can be easily imagined without departing from the scope of the invention.
- the frictional connection between the wheels 58 and 62 may be located elsewhere than on the mobile 32, as long as it is located on the kinematic chain between the moon and tide phase display disks 16.
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06763304A EP1886195B1 (fr) | 2005-05-30 | 2006-05-26 | Mouvement d'horlogerie equipe d'un mecanisme d'indication des phases de lune et de maree |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05104592A EP1729186A1 (fr) | 2005-05-30 | 2005-05-30 | Mécanisme d'indication des phases de lune et de marée |
PCT/EP2006/062645 WO2006128834A2 (fr) | 2005-05-30 | 2006-05-26 | Mouvement d'horlogerie equipe d'un mecanisme d'indication des phases de lune et de maree |
EP06763304A EP1886195B1 (fr) | 2005-05-30 | 2006-05-26 | Mouvement d'horlogerie equipe d'un mecanisme d'indication des phases de lune et de maree |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1886195A2 true EP1886195A2 (fr) | 2008-02-13 |
EP1886195B1 EP1886195B1 (fr) | 2010-03-24 |
Family
ID=36072226
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05104592A Withdrawn EP1729186A1 (fr) | 2005-05-30 | 2005-05-30 | Mécanisme d'indication des phases de lune et de marée |
EP06763304A Not-in-force EP1886195B1 (fr) | 2005-05-30 | 2006-05-26 | Mouvement d'horlogerie equipe d'un mecanisme d'indication des phases de lune et de maree |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05104592A Withdrawn EP1729186A1 (fr) | 2005-05-30 | 2005-05-30 | Mécanisme d'indication des phases de lune et de marée |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP1729186A1 (fr) |
DE (1) | DE602006013122D1 (fr) |
HK (1) | HK1117602A1 (fr) |
WO (1) | WO2006128834A2 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH702842B1 (fr) * | 2010-03-17 | 2014-11-14 | Bulgari Horlogerie Sa | Pièce d'horlogerie munie d'un mécanisme d'affichage rétrograde des phases de lune.. |
GB2528685A (en) | 2014-07-28 | 2016-02-03 | Bramwell Brown Ltd | Tidal clock |
EP3410232B1 (fr) * | 2017-05-29 | 2021-07-21 | Montres Breguet S.A. | Mécanisme d'horlogerie |
CH716196B1 (fr) | 2019-05-15 | 2024-04-15 | Richemont Int Sa | Système d'affichage des horaires de marée et pièce d'horlogerie comportant un tel système. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0820527B2 (ja) * | 1986-05-09 | 1996-03-04 | シチズン時計株式会社 | 月齢・簡易潮汐表示付時計 |
CH672223B5 (fr) * | 1988-03-31 | 1990-05-15 | Catena S A | |
CH680631B5 (fr) * | 1991-04-15 | 1993-04-15 | Lemania Nouvelle Sa |
-
2005
- 2005-05-30 EP EP05104592A patent/EP1729186A1/fr not_active Withdrawn
-
2006
- 2006-05-26 WO PCT/EP2006/062645 patent/WO2006128834A2/fr not_active Application Discontinuation
- 2006-05-26 DE DE602006013122T patent/DE602006013122D1/de active Active
- 2006-05-26 EP EP06763304A patent/EP1886195B1/fr not_active Not-in-force
-
2008
- 2008-08-01 HK HK08108515.1A patent/HK1117602A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2006128834A3 * |
Also Published As
Publication number | Publication date |
---|---|
DE602006013122D1 (de) | 2010-05-06 |
HK1117602A1 (en) | 2009-01-16 |
EP1729186A1 (fr) | 2006-12-06 |
WO2006128834A2 (fr) | 2006-12-07 |
EP1886195B1 (fr) | 2010-03-24 |
WO2006128834A3 (fr) | 2007-03-08 |
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