EP1220059B1 - Large date display mechanism for watch - Google Patents

Large date display mechanism for watch Download PDF

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Publication number
EP1220059B1
EP1220059B1 EP00128298A EP00128298A EP1220059B1 EP 1220059 B1 EP1220059 B1 EP 1220059B1 EP 00128298 A EP00128298 A EP 00128298A EP 00128298 A EP00128298 A EP 00128298A EP 1220059 B1 EP1220059 B1 EP 1220059B1
Authority
EP
European Patent Office
Prior art keywords
support
displaying
tens
sector
large date
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.)
Expired - Lifetime
Application number
EP00128298A
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German (de)
French (fr)
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EP1220059A1 (en
Inventor
David Brand
Pascal Billet
Sylvie-Anne Dubois
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.)
DTH Dubois Technique Horlogere SA
Original Assignee
DTH Dubois Technique Horlogere 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 DTH Dubois Technique Horlogere SA filed Critical DTH Dubois Technique Horlogere SA
Priority to AT00128298T priority Critical patent/ATE409894T1/en
Priority to DE60040401T priority patent/DE60040401D1/en
Priority to EP00128298A priority patent/EP1220059B1/en
Priority to PCT/IB2001/002631 priority patent/WO2002052356A1/en
Publication of EP1220059A1 publication Critical patent/EP1220059A1/en
Application granted granted Critical
Publication of EP1220059B1 publication Critical patent/EP1220059B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped

Definitions

  • the object of the present invention is to provide a display mechanism for all types of watch movement, in particular for wristwatches, larger than those known, thus making it easier to read a date indicator comprising units and tens.
  • This type of embodiment is mainly adapted for circular movements.
  • the object of the present invention is to provide a solution for displaying a large date calendar with wide possibilities of implantation in a watch movement.
  • This object is achieved by a mechanism for displaying a large date calendar for a timepiece through a window, using a first digital support comprising the units and graduated by at least 0 to 9 and a second support.
  • numeral comprising the tens
  • the first medium describing at least one circular arc sweeping the decimals under the wicket according to the unit of time chosen
  • the second digital medium describes an arc of circle whose center is placed outside the circle formed by the first support and whose tens numbers are spaced apart by a non-obstructing area revealing the first support, this second support being superimposed on the first support to form the two decimals of a number.
  • digital medium is meant a support that can be of different shapes, for example a disk, a sector or a portion of disk, on which is placed the desired graduation.
  • This graduation can be for the first support units from 0 to 9, or a multiple of 0 to 9 twice if space allows.
  • the second support tens depending on the application it will be the numbers 0 to 3 if you want to display the calendar of the month, or another graduation if you want to display the calendar of the week for example.
  • the wheel (1) is the PTO from the base movement, which carries a finger (2) and makes a turn in 24 hours.
  • the wheel (1) meshes with the wheel (3) which carries an elastic finger (4).
  • the gear ratio between the wheel (1) and the wheel (3) is one so that the wheel (3) also turns in 24 hours.
  • the spout (4a) of the finger (4) thus drives once a day the disk of the units (A) which is provided with a star (5), integral with 10 positions, from 0 to 9. This disc is locked by a jumper (6).
  • the wheel (1) also drives a wheel (20) also making a turn in 24 hours carrying an integral finger (21) which drives each turn a star (22) whose number of teeth is chosen according to the number of tens to indicate, in this case 31.
  • This star is locked by a jumper (27).
  • This star carries a cam (23) integral with several rays (23a-23b-23c-23d) in function of the number of tens to indicate, in this case 4.
  • This cam is in connection with a sector (24) and is moved by its beak (24a).
  • the said sector is kept in contact with the cam (23) by a spring (25).
  • the sector (24) drives by its toothing (24b) the sector tens (B) by its integral pinion (26).
  • the tens sector is superimposed on the disk of the units, it includes spaces allowing the reading of the numbers of the units, as the figures 1 and 2 .
  • the mechanism comprises a star (30) entrained by one tooth per day by the finger (2) of the wheel (1).
  • Said star (30) has 31 teeth, locked by a jumper 31, it carries a finger (32) integral.
  • the disk of the units is replaced by a sector of the units (A ') with 10 positions from 0 to 9, also inscribed on the same outer radius as the tens sector, moved by a gear mounted in place of the disks of the units (Has figures 1 and 2 meshing by means of an oscillating pinion (40) which by a shape arranged in an arm of the sector of the units with the toothing of said sector of the units (A ').
  • the pivoting of the unit area is located at any location in or outside the mechanism. The return to zero is effected by means of the gearing of the oscillating pinion end of the sector, which is brought under the action of the spring (50).
  • this invention also covers the display of text or the combination of texts and figures.
  • the first disc could thus support the days of the week, and the sector could support him the months.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electric Clocks (AREA)

Abstract

The display mechanism provides a large-size date display for a watch through a window, utilizing a first digital support disk (A) including units and graduated at least from 0 to 9 and second digital support (B) in the form of an arc segment for displaying the tens, i.e. 1-3. The disk describes at least an arc driving the digits beneath the window based on the selected time unit. The second arc segment describes an arc whose center is placed outside a circle formed by the support disk, so that the figures of the tens are spaced apart by a non-obstructing zone revealing the first disk. The second arc segment is urged to be superimposed on the first disk to form the two digits of a date number.

Description

La présente invention a pour but la réalisation d'un mécanisme d'affichage pour tout types de mouvement de montre, en particulier pour montre bracelet, plus grand que ceux connus, permettant ainsi une lecture plus aisée d'un indicateur de quantième comportant des unités et des dizaines.The object of the present invention is to provide a display mechanism for all types of watch movement, in particular for wristwatches, larger than those known, thus making it easier to read a date indicator comprising units and tens.

La plupart des mécanismes connus à ce jour, qui permettent l'affichage d'un grand quantième sont conçus de la même manière à savoir : deux disques, le premier étant un disque des unités du quantième, entraîné par un train d'engrenage démultiplicateur depuis la base de temps du mouvement, en général partant depuis son centre. Le deuxième disque est celui des dizaines du quantième, dont le centre est inscrit dans le disque des unités, lequel par une denture permet d'entraîner ledit disque des dizaines.Most mechanisms known to date, which allow the display of a large calendar are designed in the same manner namely: two discs, the first being a disk of the date units, driven by a reduction gear train from the time base of the movement, usually starting from its center. The second disk is the one of the tens of the date, whose center is inscribed in the disk of the units, which by a toothing allows to drive said disk tens.

Un tel système est décrit dans le document EP 0 529 191 , illustrant la solution à deux disques, le disque des dizaines étant en forme d'étoile à quatre branches. L'axe de rotation du disque des dizaines s'inscrit à l'intérieur du disque des unités, ce dernier formant la circonférence de la montre.Such a system is described in the document EP 0 529 191 , illustrating the two-disk solution, the tens disk being in the shape of a four-pointed star. The axis of rotation of the tens disk fits inside the units disk, the latter forming the circumference of the watch.

Ce type de réalisation est principalement adapté pour des mouvements circulaires.This type of embodiment is mainly adapted for circular movements.

Le but de la présente invention est de proposer une solution permettant l'affichage d'un quantième de grande taille offrant de larges possibilités d'implantation dans un mouvement de montre.The object of the present invention is to provide a solution for displaying a large date calendar with wide possibilities of implantation in a watch movement.

Ce but est atteint par un mécanisme d'affichage d'un quantième de grande taille pour instrument horaire au travers d'un guichet, mettant en oeuvre un premier support numérique comprenant les unités et gradué d'au moins 0 à 9 et un second support numérique comprenant les dizaines, le premier support décrivant au moins un arc de cercle balayant les décimales sous le guichet selon l'unité de temps choisie, caractérisé en ce que le second support numérique décrit un arc de cercle dont le centre est placé en dehors du cercle formé par le premier support et dont les chiffres des dizaines sont espacés par une zone non obstruante laissant apparaître le premier support, ce second support venant se superposer sur le premier support pour former les deux décimales d'un nombre.This object is achieved by a mechanism for displaying a large date calendar for a timepiece through a window, using a first digital support comprising the units and graduated by at least 0 to 9 and a second support. numeral comprising the tens, the first medium describing at least one circular arc sweeping the decimals under the wicket according to the unit of time chosen, characterized in that the second digital medium describes an arc of circle whose center is placed outside the circle formed by the first support and whose tens numbers are spaced apart by a non-obstructing area revealing the first support, this second support being superimposed on the first support to form the two decimals of a number.

Par support numérique on entend un support qui peut être de différentes formes, par exemple un disque, un secteur ou une portion de disque, sur lequel est placé la graduation souhaitée. Cette graduation peut être pour le premier support des unités de 0 à 9, ou un multiple soit de 0 à 9 deux fois si la place le permet.By digital medium is meant a support that can be of different shapes, for example a disk, a sector or a portion of disk, on which is placed the desired graduation. This graduation can be for the first support units from 0 to 9, or a multiple of 0 to 9 twice if space allows.

Pour ce qui concerne le second support des dizaines, selon l'application il portera les chiffres 0 à 3 si l'on souhaite afficher le quantième du mois, soit une autre graduation si l'on souhaite afficher le quantième de la semaine par exemple.Regarding the second support tens, depending on the application it will be the numbers 0 to 3 if you want to display the calendar of the month, or another graduation if you want to display the calendar of the week for example.

L'invention sera mieux comprise grâce à la description détaillée qui va suivre et qui se réfère aux dessins annexés qui sont donnés à titre d'exemple nullement limitatif, dans lesquels:

  • la figure 1 représente une vue par dessus d'un dispositif selon l'invention mettant en oeuvre un premier support en forme de disque et un second support en forme de secteur,
  • la figure 2 correspond à la vue éclatée de la figure 1,
  • la figure 3 représente une vue par dessus d'un dispositif selon l'invention mettant en oeuvre un premier support et un second support en forme de secteur.
The invention will be better understood from the detailed description which follows and which refers to the appended drawings which are given by way of non-limiting example, in which:
  • the figure 1 represents a view from above of a device according to the invention implementing a first disk-shaped support and a second sector-shaped support,
  • the figure 2 corresponds to the exploded view of the figure 1 ,
  • the figure 3 represents a view from above of a device according to the invention implementing a first support and a second sector-shaped support.

Sur les figures 1 et 2, la roue (1) est la prise de force depuis le mouvement de base, qui porte un doigt (2) et fait un tour en 24 heures. La roue (1) engrène avec la roue (3) qui porte un doigt élastique (4). Le rapport d'engrenage entre la roue (1) et la roue (3) est de un de sorte que la roue (3) fait également un tour en 24 heures.On the figures 1 and 2 , the wheel (1) is the PTO from the base movement, which carries a finger (2) and makes a turn in 24 hours. The wheel (1) meshes with the wheel (3) which carries an elastic finger (4). The gear ratio between the wheel (1) and the wheel (3) is one so that the wheel (3) also turns in 24 hours.

Le bec (4a) du doigt (4) entraîne ainsi une fois par jour le disque des unités (A) lequel est muni d'une étoile (5), solidaire, à 10 positions, de 0 à 9. Ce disque est verrouillé par un sautoir (6). La roue (1) entraîne également une roue (20) faisant également un tour en 24 heures portant un doigt solidaire (21) qui entraîne à chaque tour une étoile (22) dont le nombre de dents est choisi en fonction du nombre de dizaines à indiquer, en l'occurrence 31. Cette étoile est verrouillée par un sautoir (27). Cette étoile porte une came (23) solidaire comportant plusieurs rayons (23a-23b-23c-23d) en fonctions du nombre de dizaines à indiquer, en l'occurrence 4. Le rayon (23d) à un angle de révolution plus court que les autres, du fait qu'il n'y a que 30 et 31 jours. Cette came est en liaison avec un secteur (24) et est mû par son bec (24a). Le dit secteur est maintenu en contact avec la came (23) par un ressort (25). Le secteur (24) entraîne par sa denture (24b) le secteur des dizaines (B) par son pignon solidaire (26). Le secteur des dizaines étant superposé au disque des unités, il comporte des espaces permettant la lecture des chiffres des unités, ainsi que le démontrent les figures 1 et 2.The spout (4a) of the finger (4) thus drives once a day the disk of the units (A) which is provided with a star (5), integral with 10 positions, from 0 to 9. This disc is locked by a jumper (6). The wheel (1) also drives a wheel (20) also making a turn in 24 hours carrying an integral finger (21) which drives each turn a star (22) whose number of teeth is chosen according to the number of tens to indicate, in this case 31. This star is locked by a jumper (27). This star carries a cam (23) integral with several rays (23a-23b-23c-23d) in function of the number of tens to indicate, in this case 4. The radius (23d) at a revolution angle shorter than the others, because there are only 30 and 31 days. This cam is in connection with a sector (24) and is moved by its beak (24a). The said sector is kept in contact with the cam (23) by a spring (25). The sector (24) drives by its toothing (24b) the sector tens (B) by its integral pinion (26). The tens sector is superimposed on the disk of the units, it includes spaces allowing the reading of the numbers of the units, as the figures 1 and 2 .

Lors du 31ème jour, la came des dizaines va entraîner les secteurs (24 et B) dans une position qui laisse apparaître au travers d'une ou deux ouvertures du cadran, une indication du chiffre 0 ou une plage vide. De manière à ce que le mécanisme affiche le 1er jour, il faut empêcher le 1 des unités du 31ème jour de tourner. Pour cela, le mécanisme comporte une étoile (30) entraînée d'une dent par jour par le doigt (2) de la roue (1). La dite étoile (30) comporte 31 dents, verrouillée par un sautoir 31, elle porte un doigt (32) solidaire. Le bec (32a) dudit doigt, le 31ème jour appuie sur le flanc (33a) du levier de débrayage (33) lequel pivote en son axe (34). Ainsi son flanc (33b) vient appuyer sur le bras du ressort élastique (4) de sorte que le bec (4a) ne peut entraîner une des dents de l'étoile 5 du disque des unités (A) qui ne change donc pas de position d'où le maintien du chiffre 1 des unités.At the 31st day, the tens cam will cause the sectors (24 and B) at a position which reveals through one or two openings of the dial, an indication of the number 0 or an empty beach. So that the mechanism displays the 1st day, we must prevent the 1 units of the 31th day running. For this, the mechanism comprises a star (30) entrained by one tooth per day by the finger (2) of the wheel (1). Said star (30) has 31 teeth, locked by a jumper 31, it carries a finger (32) integral. The spout (32a) of said finger, the 31 st day, presses on the flank (33a) of the release lever (33) which pivots in its axis (34). Thus, its flank (33b) presses on the arm of the elastic spring (4) so that the spout (4a) can not cause one of the teeth of the star 5 of the disk of the units (A) which therefore does not change position hence the maintenance of the number 1 of the units.

Sur la figure 3, le disque des unités est remplacé par un secteur des unités (A') à 10 positions de 0 à 9, également inscrit sur un même rayon extérieur que le secteur des dizaines, mû par un engrenage monté en lieu et place du disques des unités (A) des figures 1 et 2 engrenant par l'intermédiaire d'un pignon oscillant (40) lequel par une forme aménagée dans un bras du secteur des unités avec la denture dudit secteur des unités (A'). Le pivotement du secteur des unités est situé à n'importe quel emplacement dans ou à l'extérieur du mécanisme. Le retour à zéro s'opère au moyen du désengrenage du pignon oscillant en fin de course du secteur, lequel est ramené sous l'action du ressort (50).On the figure 3 , the disk of the units is replaced by a sector of the units (A ') with 10 positions from 0 to 9, also inscribed on the same outer radius as the tens sector, moved by a gear mounted in place of the disks of the units (Has figures 1 and 2 meshing by means of an oscillating pinion (40) which by a shape arranged in an arm of the sector of the units with the toothing of said sector of the units (A '). The pivoting of the unit area is located at any location in or outside the mechanism. The return to zero is effected by means of the gearing of the oscillating pinion end of the sector, which is brought under the action of the spring (50).

Bien que le premier champ d'application de ce type d'affichage est le quantième du mois, cette invention recouvre également l'affichage de textes voire la combinaison de textes et de chiffres. Le premier disque pourrait ainsi supporter les jours de la semaine, et le secteur pourrait lui supporter les mois.Although the first field of application of this type of display is the calendar of the month, this invention also covers the display of text or the combination of texts and figures. The first disc could thus support the days of the week, and the sector could support him the months.

Claims (10)

  1. Mechanism for displaying a large date for a horological instrument through a window, employing a first number support (A, A') comprising the units and graduated from at least 0 to 9 and a second number support (B) comprising the tens, the first support describing at least one arc of a circle sweeping the decimals under the window according to the chosen time unit, said mechanism being characterized in that the second number support (B) is in the form of a sector and describes an arc of a circle whose centre is located outside of the circle formed by the first support and on which the tens digits are spaced apart by non-masking areas through which the first support can be seen, the edge of this second support lying over the first support to form the two decimals of a number.
  2. Mechanism for displaying a large date according to Claim 1, characterized in that the first support (A) is in the form of a disc graduated from 0 to 9.
  3. Mechanism for displaying a large date according to Claim 1, characterized in that the first support (A') is in the form of a sector graduated from 0 to 9.
  4. Mechanism for displaying a large date according to either of Claims 2 and 3, characterized in that the second support (B) is driven directly or indirectly by another sector (24), which is in connection with a cam (23) having several radii (23a-23b-23c-23d) enabling a movement of said second support (B) by a value of 10 and so on up to 30 where the fall of a nose (24a) belonging to the sector (24) onto the radius (23a) allows the second support (B) to return to zero in position 0.
  5. Mechanism for displaying a large date according to Claim 4, characterized in that the outside diameter of the first support (A, A') and the diameter of the second support (B) are inscribed on a single outside radius, thus allowing the largest possible display.
  6. Mechanism for displaying a large date according to Claim 4 or 5, characterized in that the edge of the second support (B) comprises a minimum of 4 solid and void areas, the solid areas being able to carry digits referring to the tens of the date, either 0-1-2-3 or, if the first area is left blank, 1-2-3 for the other three areas, said solid areas representing the 3 tens occurring in dates 10 to 31, and the void areas allowing the units of the first support (A, A') to be seen.
  7. Mechanism for displaying a large date according to Claims 4 to 6, characterized in that the stepping drive of the first support (A, A') is provided by a wheel system in which the wheel (3) comprises a spring pin (4), the nose (4a) of which drives the teeth (5) of said first support.
  8. Mechanism for displaying a large date according to one of the preceding claims, characterized in that, after the 31st day, the first support (A-A') remains on position 1 because of a wheel (30) driven by the pin (2) of the wheel (1), which latter performs one revolution in 31 days and has an integral pin (32) which by means of its nose (32a) operates a rocker (33) by its flank (33a), which rocker pivots on its axis (34) and by its lateral movement applies pressure through its flank (33b) on the spring pin (4), in such a way that, as it rotates to that day at the given moment, it is unable to drive, by means of its nose (4a), one of the teeth of the pinion (5), thus leaving the first support (A, A') in the position in which the digit 1 is displayed.
  9. Mechanism for displaying a large date according to one of the preceding claims, characterized in that the first support (A-A') of the units and the tens sector (B) can be corrected by a system operated either by a pusher or by one of the positions of the handsetting stem of the movement.
  10. Mechanism according to one of the preceding claims, characterized in that the first support (A-A') of the units and the tens sector (B) make it simple to display all two-digit indications from 0 to 99 relating to time-counting such as date, month, weeks and year.
EP00128298A 2000-12-22 2000-12-22 Large date display mechanism for watch Expired - Lifetime EP1220059B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT00128298T ATE409894T1 (en) 2000-12-22 2000-12-22 MECHANISM FOR LARGE DATE DISPLAY IN WATCHES
DE60040401T DE60040401D1 (en) 2000-12-22 2000-12-22 Mechanism for large date display in watches
EP00128298A EP1220059B1 (en) 2000-12-22 2000-12-22 Large date display mechanism for watch
PCT/IB2001/002631 WO2002052356A1 (en) 2000-12-22 2001-12-18 Large-size calendar data display mechanism for a watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00128298A EP1220059B1 (en) 2000-12-22 2000-12-22 Large date display mechanism for watch

Publications (2)

Publication Number Publication Date
EP1220059A1 EP1220059A1 (en) 2002-07-03
EP1220059B1 true EP1220059B1 (en) 2008-10-01

Family

ID=8170776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00128298A Expired - Lifetime EP1220059B1 (en) 2000-12-22 2000-12-22 Large date display mechanism for watch

Country Status (4)

Country Link
EP (1) EP1220059B1 (en)
AT (1) ATE409894T1 (en)
DE (1) DE60040401D1 (en)
WO (1) WO2002052356A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1612628B1 (en) 2004-06-28 2006-08-23 De Grisogono S.A. Large date indication device
JP4692968B2 (en) * 2006-02-20 2011-06-01 セイコーインスツル株式会社 A watch with a calendar mechanism having a first date wheel and a second date wheel
CH703564B1 (en) 2010-08-10 2015-04-15 Cyrus Watches Rl Sa calendar display mechanism.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH190208A (en) * 1936-05-07 1937-04-15 Chevalley Gaston Perpetual calendar timepiece.
CH341115A (en) * 1956-07-10 1959-09-15 Demuth Rudolf Calendar movement in a clock
DE4127825C1 (en) 1991-08-22 1992-10-01 Jaeger-Le Coultre S.A., Le Sentier, Ch
EP0940833B1 (en) * 1998-03-05 2002-07-03 Frédéric Piguet S.A. Calendar mechanism for watch movement

Also Published As

Publication number Publication date
WO2002052356A1 (en) 2002-07-04
EP1220059A1 (en) 2002-07-03
ATE409894T1 (en) 2008-10-15
DE60040401D1 (en) 2008-11-13

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