EP2993532A2 - Antriebsmechanismus mindestens eines beweglichen elements - Google Patents

Antriebsmechanismus mindestens eines beweglichen elements Download PDF

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Publication number
EP2993532A2
EP2993532A2 EP15182463.8A EP15182463A EP2993532A2 EP 2993532 A2 EP2993532 A2 EP 2993532A2 EP 15182463 A EP15182463 A EP 15182463A EP 2993532 A2 EP2993532 A2 EP 2993532A2
Authority
EP
European Patent Office
Prior art keywords
axis
conductive member
mechanism according
display
sun gear
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
EP15182463.8A
Other languages
English (en)
French (fr)
Other versions
EP2993532A3 (de
EP2993532B1 (de
Inventor
Jean-Marie Bouquin
Sylvain Cornibe
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.)
Richemont International SA
Original Assignee
Richemont International 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 Richemont International SA filed Critical Richemont International SA
Publication of EP2993532A2 publication Critical patent/EP2993532A2/de
Publication of EP2993532A3 publication Critical patent/EP2993532A3/de
Application granted granted Critical
Publication of EP2993532B1 publication Critical patent/EP2993532B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • 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
    • G04B19/262—Clocks or watches with indicators for tides, for the phases of the moon, or the like with indicators for astrological informations
    • 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
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0007—Light-, colour-, line-, or spot-effects caused by parts or pictures moved by the clockwork

Definitions

  • the present invention relates to devices or mechanisms for driving at least one movable element such as a mobile display member for displaying an indication along a trajectory, in particular a continuous or closed plane trajectory on herself.
  • This simple mechanism has the disadvantage of allowing the display of only one indication which excludes its use for many applications.
  • the present invention aims a drive mechanism of at least one movable element such as a display mechanism for presenting different movements and in particular to display several indications.
  • the mechanism is capable of producing, in particular, a time display, hours and minutes, possibly with indication of the date and the day of the week, or an sidereal display representing the movement of the earth around the sun or the moon around the earth. for example.
  • the object of the present invention is to provide a mechanism for producing a display of several pieces of information along any trajectory.
  • the present invention relates to a drive mechanism of a movable member as described in claim 1 and embodiments of this mechanism described in the dependent claims.
  • the drive mechanism of a movable element is a display mechanism which comprises a plate 1 having a central shaft 2 constituting a center of rotation.
  • the term "center of rotation” is used broadly here and does not necessarily mean that the movement around this shaft follows a circular rotation or that the shaft 2 is in the center of the display.
  • This display mechanism further comprises a first central guide 3 and a second external guide 4 defining between them a continuous slot 5 forming a path.
  • This trajectory is preferably plane and closed on itself such as a circular or elliptical trajectory, but in variants it may be unclosed (for example in the form of sector or arc) and / or it may comprise displacements. in the direction perpendicular to the plane of the display and therefore not be flat.
  • This central guide 3 and this external guide 4 are located in the same plane parallel to the plate 1 and separated therefrom by a space sufficient to accommodate a much of the rest of the display mechanism.
  • the central guide 3 and the outer guide 4 form a dial having on its upper surface visible indexes or marks 6 forming a graduation for reading a value to be displayed.
  • more complicated trajectories can also be defined by more than two guides.
  • the display mechanism further comprises a movable member formed by a movable display member 7 comprising in the illustrated example a disc 7.1 integral with a needle 7.2.
  • This axis of 8 is kinematically connected, here by a toothed wheel 9, to the first sun gear 10.1, a first gear differential gear 10 whose axis 10.2 is carried by an arm 11 pivoted around the central shaft 2 and therefore the center of rotation of the mechanism.
  • This display axis 8 is pivoted on a first end of a support 12 constituting the carrier of the first gear differential gear 10.
  • the movable member formed by the movable display member 7 can be rotated by the first sun gear 10.1 and carried by the planet carrier 12 differently, for example in the case where the movable member 7 is annular and carries a peripheral toothing, the display axis 8 being in this case virtual.
  • the second end of the support 12 comprises balancing masses 12.1 to balance the moving element formed by the support 12, the mobile display member 7, the display axis 8 and the toothed wheel 9.
  • the central portion of the support 12 serves as the planet carrier for the first differential gear train 10.
  • Two planet gears 10.3, 10.4, visible in FIG. figure 6 are rotated on the support 12 and mesh with each other.
  • One of these planet gears 10.3 meshes with an internal toothing of the first sun gear 10.1 of the first differential gear set 10 while the other sun gear 10.4 meshes with the internal toothing of the second sun gear 10.5 of the first differential gear set 10 .
  • the first differential gear train 10 therefore comprises a first sun gear 10.1 whose external toothing is in engagement with the toothed wheel 9 and whose internal toothing meshes with the first sun gear 10.3 pivoted on the planet carrier 12. It further comprises a second sun gear 10.5 having an internal toothing meshing with the second planet gear 10.4 and an external toothing.
  • the satellite carrier 12 is pivoted on the axis of the first differential gear train which serves as a pivot for the first sun gear 10.1 and the second sun gear 10.5 of this first differential gear train 10.
  • the second sun gear 10.5 of this first differential gear train 10 is connected to a first conductive member 13 pivoted on the central shaft 2 by a kinematic connection comprising a return 22, pivoted on the arm 11, meshing with the external toothing of the second 10.5 planetary, and with a central wheel 14 pivoted on the central shaft 2, the central wheel 14 meshing with the external toothing of a first sun gear 15.1 of a second differential gear train 15, the external gear of the second sun gear 15.2. meshes with said first conductive member 13.
  • the second differential gear train 15 similar to the first 10, comprises a first sun gear 15.1 having an external toothing engaged with the central wheel 14 and whose internal toothing is in engagement with a first planet gear (not visible in the figures) meshing with a second satellite pinion 15.4 (visible on the figure 5 ), both rotated on the carrier 15.5.
  • the second sun gear 15.2 of this second differential gear train 15 meshes by its external toothing with the first conductive member 13 and with its internal toothing with the second sun gear 15.4.
  • the satellite gate 15.5 also serves as a pivot or hub to the first sun gear 15.1 and the second sun gear 15.2.
  • the first conductive member 13 has an upper toothing 13.1 engaged with the external toothing of the second sun gear. 15.2 of the second differential gear train 15 and a lower toothing 13.2 to be driven by a first drive member (not shown).
  • the axis 15.6 of the second differential gear train 15 is fixed in a bridge 16 itself fixed by screws 17 in a second conductive member 18.
  • This second conductive member 18 has the general shape of a ring and comprises a set of teeth 18.1 outer concentric to the central shaft.
  • This second conductive member 18 is rotatably mounted on the plate 1 by any suitable means to be able to rotate concentrically with the central shaft 2 of the display mechanism.
  • a second motor member 20 allows the rotary drive of the second conductive member 18 by its external toothing 18.1.
  • the planet carrier 15.5 of the second differential gear train 15 has an external toothing in engagement with the internal toothing 19.1 of a third conductive member 19.
  • the external toothing 19.2 of this third conductive member 19 is adapted to be driven by a third drive member 26.
  • the arm 11 pivoted on the central shaft 2 has a free end carrying a balancing mass 21 compensating for the weight of the first differential gear train 10, the movable display member 7 and the gear 22.
  • the second conductive member 18 carries a trainer 23 ( figure 2 ) This driver 23 is located substantially diametrically opposite the second differential gear train 15 and has a radial slot 25 traversed by the display axis 8.
  • this display mechanism comprises three inputs, the first motor unit meshing with the first conductive member 13, the second motor member 20 meshing with the second conductive member 18 and the third motor member 26 meshing with the third conductive member 19.
  • the second motor member 20 and the third motor member 26 are integral and consist of two gears having a different number of teeth and inducing different speeds of rotation between the second conductive member 18 and the third conductive member 19.
  • these two motor members 20 and 26 could be independent of one another.
  • the continuous slot 5 forming the path leading to the axis 8 of the display element 7 may be circular, centered on the center of rotation 2 of the display mechanism.
  • the first driving member drives the first conductive member 13 at a rate of one revolution per hour so that the disk 7.1 and the needle 7.2 of the mobile display member 7 take a turn in one hour and display the minutes.
  • the second motor member 20 drives the second conductive member 18 at the rate of one revolution in twelve hours so that the disc 7.1 of the movable display member indicates, according to its position along the continuous slot 5, the hours that can be read using the index 6 of the dial.
  • the third drive member 26 drives the third conductive member 19 at a speed determined so that the rotational movement of the movable display member 7 on itself induced by the rotation of the second conductive member 18 is compensated by the second train Differential gearing 15.
  • the continuous slot 5 determining the trajectory of the display element may be elliptical and represent the orbit of the earth around the sun materialized by the center 2 of the mechanism.
  • the disk 7.1 of the mobile display member 7 may comprise a representation of the earth.
  • the first drive member drives the first conductive member 13 at a rate of one revolution per day to rotate on itself the disk 7.1 of the movable display member 7 at a rate of one revolution per day and the second motor member 20 drives the second conductive member 18 at a rate of one revolution per year to traverse the movable display member 7 along its path in one year.
  • the third drive member 26 drives the third conductive member 19 so as to compensate for the rotation of the gear 22 on itself, by rolling on the wheel 14, induced by its driving in rotation about the central shaft 2.
  • the first differential gear train 10 makes it possible to compensate the oscillations on itself of the mobile display member 7 induced by the angular displacement of the planet carrier 12 of the first gear train. differential 10 due to the variable radius of the trajectory 5 in which the display axis 8 moves.
  • the correction introduced by the third conductive member 19 is fixed and the second motor member 20 and the third motor member 26 can be secured and formed by gears having a different number of teeth .
  • the second motor member 20 may be independent of the third motor member 26.
  • the shape of the continuous slot 5 defining the trajectory of the movable display member 7 may be arbitrary. This shape may be elliptical, oval, square or rectangular, for example if the timepiece equipped with the display mechanism is elliptical, oval, square or rectangular. The display can thus follow the shape of the case and the dial of the timepiece.
  • This slot 5 may also have a star or sinusoidal shape and it is possible to use the variation of the eccentricity of the movable display member 7 with respect to the central shaft 2 to display a third independent quantity, for example the day or the day of the week.
  • the third conductive member 19 can be either removed, since it is no longer necessary to correlate the position of the movable display member 7 along its trajectory with its angular position by relative to its display axis 8, is used to control a particular movement.
  • this display mechanism comprises three inputs.
  • the first input, the first conductive member 13 determines the rotation of the movable display member 7 about its display axis 8.
  • the second input, the second conductive member 18, determines the flow of the organ mobile display 7 along its path defined by the continuous slot 5.
  • the third input, the third conductive member 19 compensates for the rotation on itself of the return 22 induced by its rotational movement around the central shaft 2.
  • each of the differential gear trains 10 and 15 comprises first and second planetary gears having identical external and internal gears as well as identical planet gears.
  • these differential gear trains do not introduce a change of speed and in general do not intervene kinematically in the construction of the displayed information.
  • This display mechanism allows the correction of only the orientation around its axis 8 of the mobile display member 7 by actuating the first conductive member 13 after blocking the second conductive member 18.
  • This display mechanism also enables the position of the mobile display member 7 to be corrected alone along its trajectory 5 by actuating the second conductive member 18 after having blocked the first conductive member 13.
  • the mobile display member 7 keeps an orientation on itself constant during its movement along its trajectory 5.
  • the adjustment of this orientation on itself of the mobile display member 7 can be obtained by rotating the central wheel 14 after blocking the second conductive member 18.
  • the mechanism makes it possible to independently correct the orientation and the position of the mobile display member 7 on its trajectory.
  • the mechanism can drive and manage the movement of another type of movable member.
  • the movable element may comprise a functional element of the watch movement such as the escape wheel.
  • the trajectory of the movable display member 7 is defined by the continuous slot 5 which may have any shape, circular, polygonal, oval, elliptical, sinusoidal, sawtooth Or other.
  • the mechanism can also be used by leaving free the path of the movable element 7, under the effect of the action of the gravity and / or movements of the wearer. According to this embodiment, the balancing of the different mobile crews is no longer necessary.
  • the movable element 7 has a degree of freedom in rotation about the central axis 2 to the sandstone dynamic effects.
  • the second conductive member 18 can follow a free rotation about the central axis 2.
  • This variant is particularly interesting in the context where the movable member 7 comprises an escapement mobile, the anchor and the oscillator being supported on the second conductive member 18.
  • the slot 5 is circular or removed, and the third conductive member 19 is controlled by the second conductive member 18 via the pinions 20 and 26.
  • the first differential gear 10 no longer serves as a functional role and can be deleted.
  • a mobile element 7 has two degrees of freedom in rotation, one around the central axis 2 and the other around the axis 10.2 of the first differential gear train 10, with dynamic effects. Still in this variant, only the first conductive member 13 is actuated to animate the movable member 7 at the desired speed. In this case, the second differential gear train 15, the third conductive member 19 and the gears 20 and 26 can be removed, and the elements 13, 14 would also be modified or removed so that the wheel 13.1 causes the reference 22 to be returned. place of the wheel 14.
  • the kinematic connection connecting the axis of the movable member 7 to the first conductive member 13 comprises two differential gear trains the first differential gear train 10 and the second gear train. Differential gears 15.
  • this kinematic connection connecting the axis of the movable element 7 to the first conductive member 13 comprises only the second differential gear train 15.
  • the kinematic link connecting the movable element 7 to the first conductive member 13 includes only the first differential gear train 10.
  • the first conductive member 13 is driven by a first motor member while the second conductive member 18 can be either free or driven by a second motor member.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Transmission Devices (AREA)
EP15182463.8A 2014-09-05 2015-08-26 Antriebsmechanismus mindestens eines beweglichen elements Active EP2993532B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01346/14A CH710084A1 (fr) 2014-09-05 2014-09-05 Mécanisme d'entraînement d'au moins un élément mobile.

Publications (3)

Publication Number Publication Date
EP2993532A2 true EP2993532A2 (de) 2016-03-09
EP2993532A3 EP2993532A3 (de) 2016-05-25
EP2993532B1 EP2993532B1 (de) 2019-02-06

Family

ID=54337089

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15182463.8A Active EP2993532B1 (de) 2014-09-05 2015-08-26 Antriebsmechanismus mindestens eines beweglichen elements

Country Status (2)

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EP (1) EP2993532B1 (de)
CH (1) CH710084A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108931912A (zh) * 2017-05-29 2018-12-04 蒙特雷布勒盖股份有限公司 钟表机构
WO2019244035A1 (fr) 2018-06-18 2019-12-26 Société Anonyme De La Manufacture D' Horlogerie Audemars Piguet & Cie Mécanisme d'affichage trochoïdal

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19641885A1 (de) 1996-10-10 1998-05-20 Dirk Hillgruber Anzeigevorrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3632785A1 (de) * 1986-09-26 1988-04-07 Robert Lukesch Zeitanzeigevorrichtung
CH692257A5 (fr) * 1997-10-20 2002-04-15 Vincent Calabrese Dispositif d'affichage pour pièce d'horlogerie permettant l'affichage de l'heure dans un cadran tournant.
FR2772153B1 (fr) * 1997-12-08 2000-02-18 Formes Technologie Innovation Montre a affichage par aiguilles avec cadran des minutes mobile
CH703232B1 (de) * 2005-12-12 2011-12-15 Heinz Widmer Anordnung zur Anzeige von Zeiteinheiten
CH702133B1 (fr) * 2007-04-05 2011-05-13 Sowind S A Dispositif d'affichage horaire.
BE1019110A5 (nl) * 2009-12-11 2012-03-06 Mintiens Beno T Wijzermodule voor een uurwerk en uurwerk daarmee uitgerust.
CH702422B1 (fr) * 2009-12-17 2015-03-13 Winston Harry Sa Pièce d'horlogerie.
CH705252B1 (fr) * 2011-07-07 2015-11-30 Blancpain Sa Mouvement d'horlogerie comportant des moyens pour l'affichage d'une grandeur physique.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19641885A1 (de) 1996-10-10 1998-05-20 Dirk Hillgruber Anzeigevorrichtung

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108931912A (zh) * 2017-05-29 2018-12-04 蒙特雷布勒盖股份有限公司 钟表机构
WO2019244035A1 (fr) 2018-06-18 2019-12-26 Société Anonyme De La Manufacture D' Horlogerie Audemars Piguet & Cie Mécanisme d'affichage trochoïdal
US20210141341A1 (en) * 2018-06-18 2021-05-13 Manufacture D'horlogerie Audemars Piguet Sa Trochoidal display mechanism
JP2021527812A (ja) * 2018-06-18 2021-10-14 マニュファクチュール・ドルロジュリ・オーデマ・ピゲ・ソシエテ・アノニム トロコイド表示機構
JP7127158B2 (ja) 2018-06-18 2022-08-29 マニュファクチュール・ドルロジュリ・オーデマ・ピゲ・ソシエテ・アノニム トロコイド表示機構
US11927918B2 (en) * 2018-06-18 2024-03-12 Manufacture D'horlogerie Audemars Piguet Sa Trochoidal display mechanism

Also Published As

Publication number Publication date
EP2993532A3 (de) 2016-05-25
EP2993532B1 (de) 2019-02-06
CH710084A1 (fr) 2016-03-15

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