EP2933692B1 - Display device - Google Patents
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- Publication number
- EP2933692B1 EP2933692B1 EP15163886.3A EP15163886A EP2933692B1 EP 2933692 B1 EP2933692 B1 EP 2933692B1 EP 15163886 A EP15163886 A EP 15163886A EP 2933692 B1 EP2933692 B1 EP 2933692B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- index
- axis
- cam
- lever
- positioning mechanism
- 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.)
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- 230000007246 mechanism Effects 0.000 claims description 21
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000000523 sample Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Images
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
- G04B19/06—Dials
- G04B19/08—Geometrical arrangement of the graduations
- G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale
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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
- G04B19/02—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
- G04B19/04—Hands; Discs with a single mark or the like
- G04B19/048—Hands; Discs with a single mark or the like having the possibility of indicating on more than one scale, e.g. hands with variable length which work on different scales
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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
- G04B19/06—Dials
- G04B19/08—Geometrical arrangement of the graduations
- G04B19/087—Geometrical arrangement of the graduations with several separate scales
Definitions
- the present invention relates to the field of watchmaking. It relates, more particularly, a display device for displaying multiple indications.
- a needle is generally positioned by a rocker which, at one end carries a rake kinematically connected to a wheel integral with the needle, and at another end carries a probe held in contact with a cam by an elastic member.
- the shape of the cam is defined so that the needle moves retrograde next to a scale corresponding to the indication to be displayed.
- the patent GB 1912 18007 A discloses a display clock device comprising an index movable in translation opposite a scale.
- the present invention aims at a new display device for sequentially indicating one or the other of several indications, by means of a single display.
- the invention relates to a display device as proposed in the claims.
- the timepiece that will be described below, to display at least one indication by means of a single display.
- the present application relates to the device more particularly this display device.
- the invention relates to a timepiece with a watch movement, provided with a power source, a finishing train, an exhaust and a regulator.
- This movement causes at least a first and a second cams to be driven by the movement at a speed respectively corresponding to a first and a second indications.
- the shape of the cams can be adapted according to the speed of rotation that the movement prints them.
- the hour cam 10b rotates in 24 hours and has two symmetrical spiral parts for display in 12 hours.
- the minute cam 10a performs one revolution per hour and has a single spiral.
- the date cam 10c performs, in the particular example, one revolution per month but has two cam parts for a date display in a first sequence of 1 to 15 and a second sequence of 16 to 31, as will be detailed here. -after.
- the shape of the cams and the drive speeds given in the example are not limiting and the skilled person can adapt them.
- the timepiece according to the invention further comprises a synchronizing wheel 12 having a shaft 14 carrying a drive board 16 integral with the shaft 14 and actuable by a control device not shown.
- This control device is arranged so as to be able to act on the drive board 16 to cause a rotation of the synchronization wheel 12.
- the control device can be manual, is typically actuated by the action of a pusher on a flip-flop, terminated by a pawl that can advance the drive board 16 by one step.
- the control device could be automatic, with a wheel driven by the movement and periodically driving the drive board.
- the synchronizing wheel 12 also carries a pinion 18 mounted freely on the shaft and a selection wheel 20 integral with the shaft 14 whose role will be detailed below.
- Each lever 22 is capable of occupying an activated state in which its rake 26 is engaged with the pinion 18, and a deactivated state in which its rake 26 is disengaged from said pinion 18.
- the selection wheel 20 makes it possible to move the lever 22 from its activated state to its deactivated state, and vice versa.
- Each lever 22a, 22b, 22c is respectively associated with a resilient member 30a, 30b, 30c exerting on it a force tending to bring the probe 24a, 24b, 24c into contact with its respective cam 10a, 10b, 10c.
- the levers 22 are dimensioned so that when a lever is resting on its respective cam 10, its rake 26 is engaged with the pinion 18, that is to say that the lever 22 is in its state activated.
- the timepiece according to the invention further comprises a kinematic display chain comprising a mobile in permanent engagement with the pinion 18, and connected to a display device 32.
- the mobile may be formed of a display rocker 34 comprising a first rake engages the pinion 18.
- This rocker also comprises a second rake, meshing with an intermediate lever 36, itself engaged with a wheel 38 of the display device 32 which will be described later.
- the amplitude of the displacements of the display rocker 34 can be controlled by means of a stop 40, which makes it possible to limit the maximum position of the display device.
- the selection wheel 20 comprises a guide structure, adapted to cooperate with the guide element 28 of the levers 22, to constrain the latter in their state disabled, against their respective elastic member 30.
- the guide structure advantageously comprises a recess 42 formed on one face of the selection wheel 20. This recess 42 defines an inner wall 42a and an outer wall 42b opening.
- the selection wheel 20 comprises at least one deactivating member arranged to cross, when the selection wheel 20 is rotated, the guide element 28 of the levers 22 when they are in their activated state, and to bring the guiding element 28 in the guiding structure, to bring them into their deactivated state.
- the deactivating member is an inclined plane 44 extending the outer wall 42b of the recess 42.
- the selection wheel 20 is arranged to activate sequentially the levers 22, a single lever being at most activated simultaneously.
- figures 4 and 5 show the mechanism with lever 22c in activated state.
- the guide element 28c of this lever is not housed in the recess 42 and the elastic member 30c brings the probe 24c in contact with its cam 10c.
- the rake 26c is engaged with the pinion 18, which has the consequence that the display rocker 34 transmits information related to the indication of the cam 10c.
- the guide elements 28a and 28b of the other levers 22a and 22b are housed in the recess 42 and are in their deactivated state: they are not in contact with their cam 10a and 10b and the rakes 26a and 26b are disengaged from the pinion 18 .
- the inclined plane 44 of the deactivation member crosses the guide element 28c and brings it back into the recess 42.
- the pinion 18 is no longer engaged with any of the levers 22, the display being no longer subjected to the elastic members 30. It may advantageously provide a spring system acting on the display device, against the elastic members, in order to position transiently and unstabilized, the display in a waiting position, between two information changes.
- the display device 32 proposed to be associated with the selection mechanism described above comprises a single index 50 mounted to move in translation opposite several scales. These scales are respectively arranged on display faces of a prism 52, rotatably mounted along a longitudinal axis. The display faces being arranged parallel to the longitudinal axis.
- the proposed prism 52 is of square section and therefore has four faces.
- a display can be indicated the hour, the minute, the date, a moon phase, a second time zone, provide a day / night indication, or an indication of the power reserve.
- Two faces can be used to display the same indication, such as the date, as mentioned above, with a face for days from 1 to 15 and a face for days 16 to 31.
- a prism may have only two "useful" faces, these two faces being opposite to each other.
- the other two faces being of reduced size, they may not be useful, the prism then being a kind of shutter.
- the invention can also be applied in an equivalent manner to a prismatic or pyramidal volume, the pyramid being optionally truncated.
- the volume, prismatic or pyramidal is rotatably mounted along its axis of revolution and the display faces are arranged substantially along this axis of revolution.
- the display faces are the lateral faces of the prismatic or pyramidal volume.
- the use of a prism in the example is not limiting.
- One of the faces of the pyramidal or prismatic volume may be purely decorative.
- control mechanism and the positioning mechanism are synchronized.
- the positioning mechanism of the index 50 may be the mechanism described above, the wheel 38 driven by the intermediate lever 36 being a sun wheel, about which is rotatably mounted a satellite 54. More specifically, the wheel 38 rotates around its axis and carries an arm 56, rigidly connected to it, on which is mounted the satellite 54. The latter is engaged with a fixed toothing 58 concentric with the sun gear. In a particularly advantageous manner, the diameter of the sun gear is equal to half the diameter of the fixed toothing 58. In this particular configuration, if the index 50 is available on the nominal diameter of the satellite 54, then, when the sun gear is driven in rotation, the index 50 moves in a rectilinear path, passing through a diameter of the fixed toothing 58.
- this can be achieved by means of a carriage 60 mounted on the nominal diameter of the satellite 54 and guided on a slideway 62 positioned on a diameter of the fixed toothing 58, parallel to the axis of rotation of the prism 52.
- the satellite 54 can also be kinematically connected to a balancing mechanism 70, making it possible to compensate for the displacement of the center of gravity of the arm during its movements.
- This balancing mechanism 70 is provided with a counterweight 72 that can be rotated by relative to an axis 74, the flyweight 72 being mounted off-center with respect to this axis 74.
- the satellite 54 For driving the flyweight 72, it can be provided that the satellite 54 comprises a second board 76, itself engaged with a first reference 78, coaxial with the sun gear, which meshes with a second reference 80 driving a toothing 72a. integral with the flyweight 72.
- the spring system acting on the display device and mentioned above, may be a spring 82, for example spiral type, acting on the flyweight 72.
- the rake of the flip-flop 92 can be connected with a mobile 94, which meshes perpendicularly with the pinion of the prism 52. Depending on the radius palpated by the flip-flop 92, one or other of the faces of the prism 52 is offered in the view of the user.
- the control cam 90 is advantageously mounted integrally on the shaft 14 of the synchronization wheel 12, which makes it possible to coordinate the position of the index 50 as a function of the activated cam 10, according to the mechanism described above, with the face of the prism 52 which is also activated.
- control cam 90 includes a retractable surprise 96, capable of providing an additional radius with which the flip-flop 92 is likely to cooperate.
- the surprise 96 is actuated automatically by a drive rocker 98, driven periodically, as shown in FIGS. Figures 10A, 10B and 10C . More precisely, and as it is also visible on the figure 2 , the surprise 96 is secured to a drive star 100, with which can cooperate an actuating finger 102 that includes the drive rocker 98, which is pivotally mounted on the axis of the lever 22c which is capable of providing the information to display.
- the lever 22c is made in two parts, pivoting along the same axis, but free one with reference to the other.
- the lever 22c thus comprises a first element 122c comprising the feeler 24c, on which the spring 30c exerts a force tending to maintain it bearing against the cam, in this case the date cam 10c.
- the actuating finger 102 is pivotally mounted on this first element.
- the lever 22c also comprises a second element 124c comprising the rake 26c and the guide element 28c, so that the rake is activated when the guide element 28c does not cooperate with the selection wheel 20.
- a spring for example similar to the spring 30c, is further arranged to exert on the second element 124c, a force tending to maintain it in abutment, against a stop 126 disposed on the first element 122c.
- the second element 124c when the second element 124c is not positioned by the selection wheel 20, it is made integral with the first element 122c by abutment on this first, so that the two elements are moved by the probe support 24c against the cam 10c, as if the lever was in one part.
- the date cam 10c comprises two similar portions, so that the index 50 moves in two round trips during a cycle of 31 days.
- the actuating finger 102 drives the driving star 100 and one step the surprise 96 at the flip-flop 92 ( figure 9 ). This actuation takes place regardless of whether or not the lever 22c is activated.
- the second element 124c moves simultaneously to the first element, moving the index 50. If the lever 22c is not activated, then the first element 122c remains driven by the cam 10c, while the second element 124c is positioned by the guide element 28c.
- the surprise 96 must not be activated when the cam is driven counter-clockwise, during a correction. This is the case for example with a GMT indicating cam which must be inactive compared to the surprise in case of setting the time anti-clockwise.
- This safety function is provided by an insulator 110 mounted on the cam. It comprises a lug 112 for each portion of the cam, in this case, two with reference to the example of FIGS. 11.
- the drive rocker 98 comprises a second finger 113, and a spring 114 exerts on the finger actuation 102 a force tending to press the second finger 113 against a lug 112.
- the lever 22c may also include a limiting pin 116, arranged to cooperate with the actuating finger 102 to limit the action of the spring 114.
- a limiting pin 116 arranged to cooperate with the actuating finger 102 to limit the action of the spring 114.
- the angular positions of the selection wheel 20 and the control cam 90 are indexed, to have a synchronization of the information transmitted by the index 50 and the face of the prism 52 provided by the display device.
- the intermediate lever 36 positions the index 50 along the slide, with reference to the scale proposed by the prism 52.
- the control cam 90 actuates its rocker and drives the prism 52 in rotation so that the ad-hoc face is simultaneously activated.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geometry (AREA)
- Electromechanical Clocks (AREA)
Description
La présente invention se rapporte au domaine de l'horlogerie. Elle concerne, plus particulièrement, un dispositif d'affichage permettant d'afficher plusieurs indications.The present invention relates to the field of watchmaking. It relates, more particularly, a display device for displaying multiple indications.
On connaît plusieurs types de mécanismes horlogers, dans lesquels des cames sont entraînées par le mouvement de manière à fournir à un ensemble de palpeurs, des informations relatives à une indication. Par exemple, pour des affichages de type rétrograde, une aiguille est généralement positionnée par une bascule qui, à une extrémité porte un râteau relié cinématiquement à une roue solidaire de l'aiguille, et à une autre extrémité porte un palpeur maintenu en contact avec une came par un organe élastique. La forme de la came est définie de manière à ce que l'aiguille se déplace de manière rétrograde en regard d'une échelle correspondant à l'indication à afficher. Certaines pièces comprennent plusieurs affichages rétrogrades de ce type, pour afficher, par exemple, l'heure, la minute et le quantième. Tous ces affichages sont proposés de manière simultanée et sont indépendants.Several types of watch mechanisms are known, in which cams are driven by the movement so as to provide a set of sensors with information relating to an indication. For example, for displays of the retrograde type, a needle is generally positioned by a rocker which, at one end carries a rake kinematically connected to a wheel integral with the needle, and at another end carries a probe held in contact with a cam by an elastic member. The shape of the cam is defined so that the needle moves retrograde next to a scale corresponding to the indication to be displayed. Some pieces include several retrograde displays of this type, to display, for example, the hour, the minute and the date. All these displays are offered simultaneously and are independent.
Le brevet
On connaît également des dispositifs d'affichage conventionnels, dotés d'une aiguille ou d'un disque, susceptible de fournir alternativement, une indication d'un temps chronométré ou une indication du temps courant.Also known are conventional display devices, with a needle or a disc, capable of alternately providing an indication of a timed time or an indication of the current time.
La présente invention a pour but un nouveau dispositif d'affichage permettant d'indiquer séquentiellement l'une ou l'autre parmi plusieurs indications, au moyen d'un affichage unique.The present invention aims at a new display device for sequentially indicating one or the other of several indications, by means of a single display.
De façon plus précise, l'invention concerne un dispositif d'affichage tel que proposé dans les revendications.More specifically, the invention relates to a display device as proposed in the claims.
D'autres détails de l'invention apparaîtront plus clairement à la lecture de la description qui suit, faite en référence au dessin annexé dans lequel :
- la
figure 1 est une vue de dessus permettant de visualiser une pièce d'horlogerie selon l'invention ; - la
figure 2 est une vue en coupe d'un élément de la pièce d'horlogerie selon l'invention ; - les
figures 3 et4 représentent une partie des éléments de la pièce d'horlogerie selon l'invention, dans deux positions que ces éléments peuvent prendre; - les
figures 5 et 6 représentent une autre partie des éléments de la pièce d'horlogerie selon l'invention, également dans deux positions que ces éléments peuvent prendre; - la
figure 7 montre un exemple de mise en oeuvre de la pièce d'horlogerie selon l'invention; - les
figures 8 et 9, 10A, 10B, 10C, 10D et 10E montrent différents mécanismes permettant de mettre en oeuvre l'exemple de lafigure 7 .
- the
figure 1 is a top view for viewing a timepiece according to the invention; - the
figure 2 is a sectional view of an element of the timepiece according to the invention; - the
figures 3 and4 represent a part of the elements of the timepiece according to the invention, in two positions that these elements can take; - the
Figures 5 and 6 represent another part of the elements of the timepiece according to the invention, also in two positions that these elements can take; - the
figure 7 shows an example of implementation of the timepiece according to the invention; - the
Figures 8 and 9, 10A, 10B, 10C, 10D and 10E show different mechanisms to implement the example of thefigure 7 .
On a représenté sur la
Ainsi, l'invention concerne une pièce d'horlogerie dotée d'un mouvement horloger, muni d'une source d'énergie, d'un rouage de finissage, d'un échappement et d'un régulateur. Ce mouvement entraîne au moins une première et une deuxième cames destinées à être entraînées par le mouvement à une vitesse correspondant respectivement à une première et à une deuxième indications. Dans l'exemple proposé, on a trois cames, une première 10a permettant l'affichage des minutes, une deuxième 10b permettant l'affichage des heures et une troisième 10c permettant l'affichage du quantième. La forme des cames peut être adaptée en fonction de la vitesse de rotation que le mouvement leur imprime. Ainsi, la came des heures 10b effectue un tour en 24heures et comporte deux parties symétriques en colimaçon pour un affichage en 12heures. La came des minutes 10a effectue un tour par heure et comporte un seul colimaçon. La came du quantième 10c effectue, dans l'exemple particulier, un tour par mois mais comporte deux parties de cames pour un affichage du quantième en une première séquence de 1 à 15 et une deuxième séquence de 16 à 31, comme on le détaillera ci-après. La forme des cames et les vitesses d'entraînement données dans l'exemple ne sont pas limitatives et l'homme du métier pourra les adapter.Thus, the invention relates to a timepiece with a watch movement, provided with a power source, a finishing train, an exhaust and a regulator. This movement causes at least a first and a second cams to be driven by the movement at a speed respectively corresponding to a first and a second indications. In the proposed example, we have three cams, one first 10a for displaying the minutes, a second 10b for displaying the hours and a third 10c for displaying the date. The shape of the cams can be adapted according to the speed of rotation that the movement prints them. Thus, the
La pièce d'horlogerie selon l'invention comprend encore un mobile de synchronisation 12 doté d'un arbre 14 portant une planche d'entraînement 16 solidaire de l'arbre 14 et actionnable par un dispositif de commande non représenté. Ce dispositif de commande est agencé de manière à pouvoir agir sur la planche d'entraînement 16 pour entraîner une rotation du mobile de synchronisation 12. Le dispositif de commande peut être manuel, est être actionné typiquement par l'action d'un poussoir sur une bascule, terminée par un cliquet pouvant faire avancer la planche d'entraînement 16 d'un pas. Dans une variante, le dispositif de commande pourrait être automatique, avec une roue entraînée par le mouvement et entraînant périodiquement la planche d'entraînement.The timepiece according to the invention further comprises a synchronizing
Le mobile de synchronisation 12 porte également un pignon 18 monté libre sur l'arbre et une roue de sélection 20 solidaire de l'arbre 14 dont le rôle sera détaillé ci-après.The synchronizing
Pour interagir avec les cames 10a, 10b et 10c, la pièce d'horlogerie selon l'invention comporte au moins un premier et un deuxième leviers, en l'espèce trois, 22a, 22b et 22c, dans l'exemple proposé. Chaque levier est respectivement associé à une came et comprend :
- un
24a, 24b, 24c susceptible de coopérer avec la périphérie de sa came respective pour prendre une information relative à l'indication donnée par laditepalpeur 10a, 10b, 10c,came - un
26a, 26b, 26c susceptible de venir en prise avec lerâteau pignon 18, - un élément du
28a, 28b, 28c agencé pour coopérer avec la roue deguidage sélection 20.
- a
24a, 24b, 24c capable of cooperating with the periphery of its respective cam to take information relating to the indication given by saidfeeler 10a, 10b, 10c,cam - a
26a, 26b, 26c engageable with therake pinion 18, - an element of the
28a, 28b, 28c arranged to cooperate with theguide selection wheel 20.
Chaque levier 22 est susceptible d'occuper un état activé dans lequel son râteau 26 est en prise avec le pignon 18, et un état désactivé dans lequel son râteau 26 est débrayé dudit pignon 18. En coopérant avec l'élément de guidage 28, la roue de sélection 20 permet de faire passer le levier 22 de son état activé à son état désactivé, et vice-versa.Each
Chaque levier 22a, 22b, 22c est respectivement associé à un organe élastique 30a, 30b, 30c exerçant sur lui une force tendant à amener le palpeur 24a, 24b, 24c au contact de sa came 10a, 10b, 10c respective. Les leviers 22 sont dimensionnés de manière à ce que, lorsqu'un levier est en appui sur sa came 10 respective, son râteau 26 est en prise avec le pignon 18, c'est-à-dire que le levier 22 est dans son état activé.Each
La pièce d'horlogerie selon l'invention comprend encore une chaîne cinématique d'affichage comprenant un mobile en prise permanente avec le pignon 18, et reliée à un dispositif d'affichage 32. Comme on peut mieux le voir sur la
Comme le montrent mieux les
La roue de sélection 20 comprend au moins un organe de désactivation agencé pour croiser, lorsque la roue de sélection 20 est entraînée en rotation, l'élément de guidage 28 des leviers 22 lorsque ceux-ci sont de leur état activé, et amener l'élément de guidage 28 dans la structure de guidage, afin de les amener dans leur état désactivé. Avantageusement, l'organe de désactivation est un plan incliné 44 prolongeant la paroi extérieure 42b de la creusure 42.The
Ainsi, la roue de sélection 20 est agencée de manière à activer séquentiellement les leviers 22, un seul levier étant au plus activé simultanément.Thus, the
En fonctionnement, les
En faisant tourner le mobile de synchronisation 12 via le dispositif de commande, le plan incliné 44 de l'organe de désactivation croise l'élément de guidage 28c et le ramène dans la creusure 42. Momentanément, lors d'un changement d'information, le pignon 18 n'est plus embrayé avec aucun des leviers 22, l'affichage n'étant plus soumis aux organes élastiques 30. On pourra avantageusement prévoir un système ressort agissant sur le dispositif d'affichage, à l'encontre des organes élastiques, afin de positionner de manière transitoire et non stabilisée, l'affichage dans une position d'attente, entre deux changements d'information.By rotating the
En poursuivant la rotation du mobile de synchronisation 12, un autre levier passe dans son état activé, transmettant au dispositif d'affichage une information liée à l'indication de la came suivante. Les autres leviers sont désactivés. Ainsi, le dispositif d'affichage peut donner successivement une information relative à plusieurs indications.By continuing the rotation of the
Selon l'invention, le dispositif d'affichage 32 proposé pour être associé au mécanisme de sélection décrit ci-dessus, comporte un unique index 50 monté mobile en translation en regard de plusieurs échelles. Ces échelles sont respectivement disposées sur des faces d'affichage d'un prisme 52, monté à rotation selon un axe longitudinal. Les faces d'affichage étant disposées parallèlement à l'axe longitudinal. Selon l'exemple proposé à la
On peut, avec un tel affichage, indiquer l'heure, la minute, le quantième, une phase de lune, un deuxième fuseau horaire, proposer une indication jour/nuit, ou encore une indication de la réserve de marche. Deux faces peuvent être utilisées pour afficher une même indication, comme par exemple le quantième, tel que mentionné ci-dessus, avec une face pour les jours de 1 à 15 et une face pour les jours de 16 à 31.With such a display can be indicated the hour, the minute, the date, a moon phase, a second time zone, provide a day / night indication, or an indication of the power reserve. Two faces can be used to display the same indication, such as the date, as mentioned above, with a face for days from 1 to 15 and a face for
On précisera encore que, selon l'invention, un prisme peut ne comporter que deux faces « utiles », ces deux faces étant opposées l'une à l'autre. Les deux autres faces étant de dimension réduite, elles peuvent ne pas être utiles, le prisme étant alors une sorte de volet.It will be further specified that, according to the invention, a prism may have only two "useful" faces, these two faces being opposite to each other. The other two faces being of reduced size, they may not be useful, the prism then being a kind of shutter.
Bien que le mode de réalisation décrit se rapporte à un prisme, l'invention peut également s'appliquer de manière équivalente à un volume prismatique ou pyramidal, la pyramide étant éventuellement tronquée. Le volume, prismatique ou pyramidal, est monté à rotation selon son axe de révolution et les faces d'affichage sont disposées essentiellement selon cet axe de révolution. En d'autres termes, les faces d'affichage sont les faces latérales du volume prismatique ou pyramidal. L'utilisation d'un prisme dans l'exemple n'est pas limitative.Although the embodiment described relates to a prism, the invention can also be applied in an equivalent manner to a prismatic or pyramidal volume, the pyramid being optionally truncated. The volume, prismatic or pyramidal, is rotatably mounted along its axis of revolution and the display faces are arranged substantially along this axis of revolution. In other words, the display faces are the lateral faces of the prismatic or pyramidal volume. The use of a prism in the example is not limiting.
L'une des faces du volume pyramidal ou prismatique peut être purement décorative.One of the faces of the pyramidal or prismatic volume may be purely decorative.
L'homme du métier pourra encore envisager de mettre en oeuvre plusieurs volumes, pyramidal(ux) ou prismatique(s), dans une même pièce d'horlogerie.The skilled person may still consider implementing several volumes, pyramidal (ux) or prismatic (s), in the same timepiece.
Le dispositif d'affichage 32 comprend, avantageusement :
- un mécanisme de commande et de positionnement du prisme 52, agencé de manière à activer l'une ou l'autre des faces d'affichage,
- un mécanisme de positionnement de l'index 50, apte à positionner ledit
index 50 en fonction de l'information à afficher.
- a mechanism for controlling and positioning the
prism 52, arranged to activate one or the other of the display faces, - a positioning mechanism of the
index 50, able to position saidindex 50 according to the information to be displayed.
Comme on va le détailler ci-après, le mécanisme de commande et le mécanisme de positionnement sont synchronisés.As will be detailed below, the control mechanism and the positioning mechanism are synchronized.
Le mécanisme de positionnement de l'index 50 peut être le mécanisme décrit ci-dessus, la roue 38 entraînée par la bascule intermédiaire 36 étant une roue solaire, autour de laquelle est montée à rotation un satellite 54. Plus précisément, la roue 38 pivote autour de son axe et porte un bras 56, lié rigidement à elle, sur lequel est monté le satellite 54. Ce dernier est en prise avec une denture fixe 58 concentrique à la roue solaire. De manière particulièrement avantageuse, le diamètre de la roue solaire est égal à la moitié du diamètre de la denture fixe 58. Dans cette configuration particulière, si on dispose l'index 50 sur le diamètre nominal du satellite 54, alors, lorsque la roue solaire est entraînée en rotation, l'index 50 se déplace selon une trajectoire rectiligne, passant par un diamètre de la denture fixe 58.The positioning mechanism of the
Pour améliorer la visibilité et le guidage de l'index 50, on peut réaliser celui-ci au moyen d'un chariot 60 monté sur le diamètre nominal du satellite 54 et guidé sur une glissière 62 positionnée sur un diamètre de la denture fixe 58, parallèlement à l'axe de rotation du prisme 52.To improve the visibility and guidance of the
Le satellite 54 peut également être relié cinématiquement à un mécanisme d'équilibrage 70, permettant de compenser le déplacement du centre de gravité du bras, lors de ses déplacements. Ce mécanisme d'équilibrage 70 est doté d'une masselotte 72 susceptible d'être entraînée en rotation par rapport à un axe 74, la masselotte 72 étant montée de manière décentrée par rapport à cet axe 74.The
Pour l'entraînement de la masselotte 72, on peut prévoir que le satellite 54 comporte une deuxième planche 76, elle-même en prise avec un premier renvoi 78, coaxial à la roue solaire, qui engrène avec un deuxième renvoi 80 entraînant une denture 72a solidaire de la masselotte 72. Le système ressort agissant sur le dispositif d'affichage et mentionné ci-dessus, peut être un ressort 82, par exemple de type spiral, agissant sur la masselotte 72. Ainsi, comme on peut le constater sur les
Pour piloter la rotation du prisme 52, le mécanisme de commande et de positionnement du prisme, mieux visible sur les
- une came de pilotage 90 dont la périphérie définit plusieurs rayons en référence à un point de rotation, et
- une bascule de pilotage 92 dotée d'un palpeur maintenu en appui contre la périphérie de la came de pilotage 90 et dotée d'un râteau relié cinématiquement à un pignon non représenté, monté solidaire du prisme 52 et centré sur l'axe de rotation du prisme 52.
- a
control cam 90 whose periphery defines several radii with reference to a point of rotation, and - a control flip-
flop 92 provided with a probe held in abutment against the periphery of thecontrol cam 90 and provided with a rake kinematically connected to a pinion, not shown, mounted integral with theprism 52 and centered on the axis of rotation of theprism 52.
Le râteau de la bascule de pilotage 92 peut être relié avec un mobile 94, qui engrène perpendiculairement avec le pignon du prisme 52. En fonction du rayon palpé par la bascule de pilotage 92, l'une ou l'autre des faces du prisme 52 est proposée à la vue de l'utilisateur.The rake of the flip-
La came de pilotage 90 est avantageusement montée solidairement sur l'arbre 14 du mobile de synchronisation 12, ce qui permet de coordonner la position de l'index 50 en fonction de la came 10 activée, selon le mécanisme décrit ci-dessus, avec la face du prisme 52 qui est également activée.The
Pour le cas où une information est indiquée sur deux faces du prisme 52, on doit pouvoir faire pivoter le prisme 52 indépendamment du levier, selon l'exemple le levier 22c, que celui-ci soit dans son état activé ou non, afin de garder la position de la surprise synchronisée avec l'information à afficher. Pour ce faire, la came de pilotage 90 comprend une surprise escamotable 96, susceptible de fournir un rayon supplémentaire avec lequel la bascule de pilotage 92 est susceptible de coopérer.For the case where information is indicated on two sides of the
La surprise 96 est actionnée automatiquement par une bascule d'entraînement 98, entraînée périodiquement, comme c'est représenté sur les
Ainsi, dans le cas où c'est le quantième qui est indiqué sur deux faces du prisme 52, le levier 22c est réalisé en deux parties, pivotant selon le même axe, mais libres l'une en référence à l'autre.Thus, in the case where it is the date which is indicated on two sides of the
Le levier 22c comprend ainsi un premier élément 122c comprenant le palpeur 24c, sur lequel le ressort 30c exerce une force tendant à le maintenir en appui contre la came, en l'espèce la came de quantième 10c. Le doigt d'actionnement 102 est monté pivotant sur ce premier élément. Le levier 22c comprend également un deuxième élément 124c comprenant le râteau 26c et l'élément de guidage 28c, de manière à ce que le râteau soit bien activé lorsque l'élément de guidage 28c ne coopère pas avec la roue de sélection 20. Un ressort, par exemple similaire au ressort 30c, est encore agencé de manière à exercer sur le deuxième élément 124c, une force tendant à le maintenir en appui, contre une butée 126 disposée sur le premier élément 122c. Ainsi, lorsque le deuxième élément 124c n'est pas positionné par la roue de sélection 20, il est rendu solidaire du premier élément 122c par la mise en butée sur ce premier, de sorte que les deux éléments sont déplacés par l'appui du palpeur 24c contre la came 10c, comme si le levier était en une seule partie.The
Ainsi, la came de quantième 10c, comme indiqué ci-dessus, comporte deux portions similaires, pour que l'index 50 se déplace selon deux allers-retours au cours d'un cycle de 31 jours. Quand le premier élément 122c du levier 22c chute lorsque la came est entraînée dans le sens horaire, le doigt d'actionnement 102 entraîne d'un pas l'étoile d'entraînement 100 et présente la surprise 96 à la bascule de pilotage 92 (
Si le levier 22c est activé, alors le deuxième élément 124c se déplace simultanément au premier élément, déplaçant l'index 50. Si le levier 22c n'est pas activé, alors le premier élément 122c reste piloté par la came 10c, tandis que le deuxième élément 124c est lui positionné par l'élément de guidage 28c.If the
Dans certains cas, et en fonction de l'information à indiquer, la surprise 96 ne doit pas être activée lorsque la came est entraînée dans le sens anti-horaire, au cours d'une correction. C'est le cas par exemple avec une came d'indication d'un GMT qui doit être inactive par rapport à la surprise en cas de mise à l'heure anti-horaire. Cette fonction de sécurité est assurée par un isolateur 110 monté sur la came. Il comprend un ergot 112 pour chaque portion de la came, en l'espèce, deux en référence à l'exemple des figures 11. La bascule d'entraînement 98 comprend un deuxième doigt 113, et un ressort 114 exerce sur le doigt d'actionnement 102 une force tendant à appuyer le deuxième doigt 113 contre un ergot 112. Le levier 22c peut également comporter une goupille de limitation 116, agencée pour coopérer avec le doigt d'actionnement 102 pour limiter l'action du ressort 114. Ainsi, dans un fonctionnement normal, au moment où le levier 22c chute, la bascule d'entraînement 98 est positionnée sur l'un des ergots 112 et suit une trajectoire au cours de laquelle il actionne l'étoile d'entraînement 100. Si la came est entraînée en sens anti-horaire, alors la bascule d'entraînement 98 n'est plus positionnée sur un ergot 112, qui a aussi pivoté. La position du doigt d'actionnement 102 est alors définie par la goupille de positionnement 116 (
Ainsi, pour le fonctionnement du dispositif d'affichage, les positions angulaires de la roue de sélection 20 et de la came de pilotage 90 sont indexées, pour avoir une synchronisation de l'information transmise par l'index 50 et de la face du prisme 52 proposée par le dispositif d'affichage.Thus, for the operation of the display device, the angular positions of the
Lorsque l'un des leviers 22 est activé tel qu'on l'a décrit ci-dessus, la bascule intermédiaire 36 positionne l'index 50 le long de la glissière, en référence à l'échelle proposée par le prisme 52. Lors de l'activation de ce levier, la came de pilotage 90 actionne sa bascule et entraîne le prisme 52 en rotation de manière à ce que la face ad-hoc soit, simultanément, activée.When one of the
Claims (9)
- A clockwork device displaying at least one indication, comprising an index (50) slidably mounted across from at least one scale, characterized in that it comprises an index (50) mounted movably across from several scales that are respectively positioned on display faces of a prismatic or pyramidal volume (52), said volume being mounted rotatably along its axis of revolution, said display faces being positioned essentially along said longitudinal axis.
- The clockwork device according to claim 1, characterized in that it is arranged so as to indicate several indications, each indication corresponding to at least one scale, each scale being positioned on a display face.
- The clockwork device according to claim 2, characterized in that it comprises:- a command and positioning mechanism of the prismatic or pyramidal volume (52), arranged so as to activate one or the other of the display faces,- a positioning mechanism of the index (50), able to position said index (50) based on the indication to be displayed,and in that the command mechanism and the positioning mechanism are synchronized.
- The clockwork device according to one of the preceding claims, characterized in that the index (50) is positioned on the nominal diameter of a planetary wheel (54) mounted rotating around a solar wheel (38) kinematically connected to the positioning mechanism of the index (50) and engaged with a fixed toothing (58) concentric to the solar wheel, the diameter of the solar wheel being equal to half the diameter of the fixed toothing (58).
- The device according to claim 4, characterized in that the index (50) is further mounted on a slide-bar (62) positioned on a diameter of the fixed toothing (58).
- The device according to one of claims 4 and 5, characterized in that the satellite (54) is also kinematically connected to a balance mechanism (70) provided with an inertia-block (72) able to be rotated relative to an axis and mounted off-centered relative to this axis.
- The device according to one of claims 3 to 6, characterized in that the command and positioning mechanism of the prismatic or pyramidal volume (52) comprises:- a control cam (90), the periphery of which defines several radii in reference to a rotation point,- a control lever (92) provided with a feeler-spindle kept bearing against the periphery of the control cam (90) and provided with a rack kinematically connected to a pinion mounted secured to the prismatic or pyramidal volume (52) and centered on the rotation axis of the prism (52).
- The device according to claim 7, characterized in that the control cam (90) comprises a retractable surprise-piece (96), able to provide an additional radius to said control cam (90).
- The device according to claim 8, characterized in that the retractable surprise-piece (96) is actuated automatically by a carrier lever (98), driven periodically.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00587/14A CH709539A2 (en) | 2014-04-16 | 2014-04-16 | A display device. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2933692A1 EP2933692A1 (en) | 2015-10-21 |
EP2933692B1 true EP2933692B1 (en) | 2017-06-07 |
Family
ID=52875613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15163886.3A Active EP2933692B1 (en) | 2014-04-16 | 2015-04-16 | Display device |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2933692B1 (en) |
CH (1) | CH709539A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3107774B1 (en) * | 2020-02-27 | 2022-02-04 | Ludovic Ballouard | Timepiece |
WO2021171233A1 (en) * | 2020-02-27 | 2021-09-02 | Ludovic Ballouard | Timepiece |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191218007A (en) * | 1911-08-12 | 1913-03-27 | Andre-Julien Mahoudeau Villethiou | Improvements in and connected with the Arrangement of the Hands or Indicators of Chronometric Apparatus. |
US2243343A (en) * | 1939-05-10 | 1941-05-27 | Johnson Howard | Clock |
EP0419421A1 (en) * | 1989-09-20 | 1991-03-27 | van Marcke-Klar, Gabriele | Watch with a linear scale |
-
2014
- 2014-04-16 CH CH00587/14A patent/CH709539A2/en not_active Application Discontinuation
-
2015
- 2015-04-16 EP EP15163886.3A patent/EP2933692B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
CH709539A2 (en) | 2015-10-30 |
EP2933692A1 (en) | 2015-10-21 |
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