EP1481293A1 - Watch movement - Google Patents

Watch movement

Info

Publication number
EP1481293A1
EP1481293A1 EP02701151A EP02701151A EP1481293A1 EP 1481293 A1 EP1481293 A1 EP 1481293A1 EP 02701151 A EP02701151 A EP 02701151A EP 02701151 A EP02701151 A EP 02701151A EP 1481293 A1 EP1481293 A1 EP 1481293A1
Authority
EP
European Patent Office
Prior art keywords
wheel
timer
movement according
roadway
barrel
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
EP02701151A
Other languages
German (de)
French (fr)
Other versions
EP1481293B1 (en
Inventor
Saskia Bouvier
Original Assignee
Wiederrecht Jean-Marc
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 Wiederrecht Jean-Marc filed Critical Wiederrecht Jean-Marc
Priority to EP02701151A priority Critical patent/EP1481293B1/en
Publication of EP1481293A1 publication Critical patent/EP1481293A1/en
Application granted granted Critical
Publication of EP1481293B1 publication Critical patent/EP1481293B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/04—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
    • G04B47/042—Fastening of jewels and the like
    • 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
    • G04B19/042—Construction and manufacture of the hands; arrangements for increasing reading accuracy
    • 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
    • G04B33/00—Calibers
    • G04B33/02—Circular calibers
    • 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
    • G04B45/04—Time pieces with invisible drive, e.g. with hands attached to a rotating glass disc
    • 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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/06—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass
    • G04B47/065—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass with a compass

Definitions

  • the present invention relates to watch movements, of the type comprising an annular frame, of external diameter D, provided with a round central opening defined by an internal diameter d and, carried by the latter: "a source of energy,
  • the timer train comprises a timer mobile comprising a wheel and a pinion, a carriageway driven by the timer wheel and intended to carry a minute hand, and a barrel wheel driven by the pinion. timer and intended to carry an hour hand.
  • the carriageway and the cannon wheel are concentric with the frame and have a central opening substantially equal to d, and the timer wheel has a diameter slightly less than (D - d) / 2.
  • the gear train comprises a large-scale mobile equipped with a tigeron on which the timer mobile is frictionally mounted.
  • the means for correcting the display means comprise a reference which meshes directly with the roadway.
  • the annular shape of the frame makes it possible to arrange the mobiles of the gear train so that their axes of rotation are substantially arranged on a circle of diameter equal to (D + d) / 2.
  • Such a solution is particularly well suited to mechanical movements, in which the energy source is formed by a barrel, the time base of a pendulum, the device for counting an exhaust, the barrel and the pendulum. pivoting on axes substantially arranged on this circle.
  • the central opening allows many uses, for example the display of additional information.
  • the movement includes a date mechanism, arranged on the side opposite the dial, comprising two display discs, one of the tens, the other of the units, the date appearing in the opening. It is thus possible to display the date with particularly large numbers.
  • the roadway and the cannon wheel each have a tubular portion, one engaged in the other, the tubular portion of the floor being positioned in the central opening, so that it can rotate freely.
  • the timer mobile and the teeth of the roadway and the cannon wheel are arranged on the bottom side of the frame.
  • the tubular portion of the roadway is defined by an inside diameter and an outside diameter, the outside diameter being slightly smaller than d, so that it can rotate freely in the opening while the tubular portion of the wheel is defined by an outside diameter slightly smaller than the inside diameter of the tubular portion of the roadway, so that the cannon wheel can rotate there freely.
  • tubular portion of the cannon wheel as a housing for an object, which can have a technical function, such as a lens or a compass, or aesthetic, such as a gem.
  • the timer mobile and the teeth of the roadway and the cannon wheel are arranged on the dial side of the frame.
  • the tubular portion of the roadway is defined by its outside diameter, a first part of which is engaged in the opening, the outside diameter being slightly smaller than d so that it can rotate freely in the opening, and a second part disposed outside the opening and intended to carry the minute hand, and on which the barrel wheel is engaged.
  • tubular portion of the floor as a housing intended to receive an object, this one having a technical function such as a lens or a compass, or an aesthetic one such as a gem.
  • Figures 1, 2 and 3 show a movement according to a first embodiment of the invention seen respectively the dial side, bottom side and in section along the line AA of Figures 1 and 2
  • FIGS. 4 and 5 show a movement according to a second embodiment, seen respectively on the bottom side and in section along the line AA in FIG. 4, and
  • Figures 6 to 10 show five variants of watches provided with a movement according to the invention, in plan in a and in enlarged partial section in b.
  • FIG. 1 The movement shown in Figures 1 to 3 comprises, in a conventional manner, a frame 10 formed of a plate 12 and bridges of which only one, of switch 14, is visible, in Figures 2 and 3.
  • An escapement 20 which counts the time in synchronism with the balance, and which comprises a mobile 22 comprising a wheel 22a and a pinion 22b, and an anchor 24,
  • a gear train 26 comprising a mobile of large average 28, a mobile of small average 30, a mobile of seconds 32, each mobile comprising a wheel identified by the letter a and a pinion b, in which the pinion of large average 28b is engaged with the barrel 16 and the seconds wheel 32a with the pinion 22b of the exhaust mobile 22.
  • the frame 10 also carries, on the bottom side and as shown in FIG. 2:
  • a timer train 34 comprising a timer mobile 36 formed by a wheel 36a and a pinion 36b, a carriageway 38 driven by the timer wheel 36a and intended to carry a minute hand 40, and a cannon wheel 42 driven by the timer pinion 36b and intended to carry an hour hand 44, the hands 40 and 44 being visible in FIGS. 1 and 3, and
  • the winding and time-setting mechanism 46 comprises a time-setting rod 50, intended to be manipulated from the outside of the watch, a sliding pinion, not visible in the drawing, a winding pinion 52, the latter being mounted on the rod 50, as well as a winding train 54 comprising a crown wheel and a ratchet wheel and which connects the winding pinion to the barrel 16 to arm the spring which the latter comprises ( Figure 1).
  • the mechanism 46 further comprises two references 56 and 58 shown in FIG. 2, engaged with each other and meshing respectively with the sliding pinion and with the carriageway 38, as well as a pull tab, a rocker and a jumper bridge, which have not been referenced, since they do not directly participate in the invention.
  • the pivot axes of the barrel 16, the moving parts of the gear train 26 and the escapement 20, as well as the balance 18 are substantially arranged on a circle C whose diameter ⁇ is substantially equal to (D + d) / 2. All these mobiles are placed on the dial side of the plate 12. They are held in place by one or more bridges which have not been shown. This particular arrangement makes it possible to make visible, below the dial, the components of the watch which have the most attractive aesthetic characteristics.
  • the medium-sized pinion 28b is engaged in the plate 12 and comprises a pin 28c, which protrudes from the latter and, on which the timer mobile 36 is mounted by its pinion 36b.
  • the latter of tubular shape, comprises a lanterning 36c which cooperates with the tigeron 28c to ensure a friction connection.
  • This configuration causes the timer mobile 36 to rotate with the large average mobile 28, except when setting the time, the timer pinion 36b then sliding on the tigeron 28c because of the friction connection. If the moving parts of the gear train pivot in a conventional manner between the plate 12 and one of the bridges, the axial and radial guidance of the carriageway 38 and the gun wheel 42 is performed in an original manner.
  • the roadway 38 comprises a tubular portion 38a, the outside diameter of which is slightly less than the inside diameter of the opening 48, so that it can rotate there freely and the length of which is sufficient to pass through the frame 10 and exceed of a height allowing the driving out of the minute hand 40.
  • the cannon wheel 42 also comprises a tubular portion 42a, the outside diameter of which is slightly smaller than the inside diameter of the portion 38a, so that the cannon wheel can be engaged in the roadway and turn there freely.
  • the portion 42a is high enough to protrude from the portion 38a and allow the attachment of the hour hand 44.
  • the minute hand 40 makes one revolution per hour and the hour hand one revolution in 12 hours. This means that the teeth of the timer mobile 36, the carriageway 38 and the barrel wheel 42 must be counted so that the gear ratio is equal to 1/12.
  • the opening 48 has a diameter d substantially equal to D / 3
  • the timer wheel 36a and the roadway 38 have the same diameter.
  • the embodiment shown in Figures 4 and 5 uses most of the components described with reference to Figures 1 to 3, these components bearing the same references. In this case, however, both the gear train 26 and that of the timer 34 are arranged on the dial side.
  • the medium-sized pinion 36b pivots between the plate 12 and a bridge 60 visible only in FIG. 5.
  • the roadway 38 also includes a tubular portion 38a, formed of two distinct parts. The first part, which extends towards the bottom side, is engaged in the opening 48. The second part, which protrudes from the face of the frame on the dial side, constitutes a support for the 40 minute hand.
  • the cannon wheel is also provided with a tubular portion 42a, but disposed on and surrounding the tubular portion 38a of the roadway in its second part, and not engaged in the opening 48, as described in the first embodiment.
  • FIGS. 6 to 10 show different variant embodiments.
  • the opening 48 is simply left empty, and the box 61 is provided with a bottom 62 produced by means of a glass, so that it is possible to see through the shows in its central part.
  • the opening 48 can also serve as a receptacle for an object, as illustrated in FIGS. 7 to 9. Depending on whether the movement corresponds to the first or to the second embodiment described above, this object will be housed either in the tubular portion 42a of the barrel wheel, or in the tubular portion 38a of the timer.
  • the object associated with the watch shown in Figure 7 is a compass 64, which rotates with the wheel whose tubular part serves as a housing.
  • the bottom 62 can be opaque.
  • the variant of FIG. 8 uses the tubular portion serving as a housing for receiving a gem 66, for example a diamond or a zircon.
  • a gem 66 for example a diamond or a zircon.
  • Such a solution gives the watch a jewel-like appearance, while retaining great sobriety.
  • FIG. 9 represents a watch in which the bottom 62 carries an image 68, which can be enlarged by means of a magnifying glass 70 carried by the tubular portion 38a or 42a.
  • FIG. 10 relates to a watch similar to that of FIG. 9, the image being replaced by a display 72 of the date with a large window. This display is achieved by means of two discs 74 and 76 displaying one the units and the other the tens, these two discs being driven by a mechanism such as that described in patent CH 310 559 for example.
  • the movements described with reference to FIGS. 1 to 5 are of the mechanical type, it is obvious that, in a completely comparable manner, the essential characteristics of the invention can be found in electromechanical watches.
  • the energy source is a battery or an accumulator, the time base a quartz, and the counting device an electronic circuit and a stepping motor.
  • the basic components of the movement essentially occupy the portion of the frame 10 between 3 and 9 hours.
  • the other parts of this frame 10 can serve as support for other mechanisms such as a rehearsal, a chronograph, etc. It would also be possible to arrange the gear wheels 26 and the timer 34 on the back side and place a disc display device on the dial side, displaying for example the day and the date.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Magnetic Heads (AREA)
  • Toys (AREA)

Abstract

The watch movement has a ring type case with a central opening for features. The mechanical drive with electronic timebase operates a drive wheel (36a) and pinion (36b) on a common shaft. The drive wheel engages with an outer cylinder (38) which bears a minute hand and the pinon engages with an inner concentric cylinder (42) which carries an hour hand

Description

MOUVEMENT DE MONTRE WATCH MOVEMENT
La présente invention se rapporte aux mouvements de montre, du type comportant un bâti annulaire, de diamètre extérieur D, muni d'une ouverture centrale ronde définie par un diamètre intérieur d et, portés par celui-ci: " une source d'énergie,The present invention relates to watch movements, of the type comprising an annular frame, of external diameter D, provided with a round central opening defined by an internal diameter d and, carried by the latter: "a source of energy,
• une base de temps,• a time base,
• un dispositif de comptage commandé en synchronisme avec la base de temps,• a counting device controlled in synchronism with the time base,
• un rouage de finissage commandé par le dispositif de comptage, » un rouage de minuterie agencé pour porter des moyens d'affichage analogique du temps, et " des moyens de correction des moyens d'affichage.• a gear train controlled by the counting device, " a timer gear arranged to carry analog time display means, and" means for correcting the display means.
Un tel mouvement est décrit dans le document WO 99/35542. Il est disposé dans une boîte munie d'un trou central, ce qui confère à la montre un aspect particulier. Dans ce mouvement, l'affichage est réalisé au moyen de deux disques superposés, l'un muni d'une denture interne et affichant les heures, l'autre d'une denture externe et affichant les minutes, et tous les deux entraînés par des pignons appartenant à l'un des rouages du mouvement.Such a movement is described in document WO 99/35542. It is placed in a box provided with a central hole, which gives the watch a particular appearance. In this movement, the display is achieved by means of two superimposed discs, one with internal toothing and displaying the hours, the other with an external toothing and displaying the minutes, and both driven by gears belonging to one of the cogs in the movement.
Un autre mouvement de ce type fait l'objet du document EP 0 681 227. Il comporte, de manière similaire, deux disques affichant les heures et les minutes, mais disposés dans un même plan. Dans ce mouvement, la partie centrale ainsi libérée permet de loger un tourbillon.Another movement of this type is the subject of document EP 0 681 227. It comprises, similarly, two discs displaying the hours and the minutes, but arranged in the same plane. In this movement, the central part thus released makes it possible to accommodate a whirlpool.
Le fait de disposer d'une ouverture au centre du mouvement permet des solutions originales tant du point de vue technique qu'esthétique, mais l'emploi de disques rend la lecture de l'heure moins agréable et facile. En outre, l'entraînement de ces disques ce fait au moyen de renvois qui augmente le nombre de mobiles mus par la source d'énergie ce qui, en conséquence, augmente les pertes par frottement. Le but de la présente invention est de pallier ces inconvénients. Ce but est atteint grâce au fait que le rouage de minuterie comporte un mobile de minuterie comprenant une roue et un pignon, une chaussée entraînée par la roue de minuterie et destinée à porter une aiguille des minutes, et une roue à canon entraînée par le pignon de minuterie et destinée à porter une aiguille des heures. De plus, la chaussée et la roue à canon sont concentriques au bâti et présentent une ouverture centrale sensiblement égale à d, et la roue de minuterie présente un diamètre légèrement inférieur à (D - d)/2.The fact of having an opening in the center of the movement allows original solutions both from the technical and aesthetic point of view, but the use of discs makes reading the time less pleasant and easy. In addition, the drive of these discs this fact by means of references which increases the number of mobiles driven by the energy source which, consequently, increases the friction losses. The object of the present invention is to overcome these drawbacks. This object is achieved thanks to the fact that the timer train comprises a timer mobile comprising a wheel and a pinion, a carriageway driven by the timer wheel and intended to carry a minute hand, and a barrel wheel driven by the pinion. timer and intended to carry an hour hand. In addition, the carriageway and the cannon wheel are concentric with the frame and have a central opening substantially equal to d, and the timer wheel has a diameter slightly less than (D - d) / 2.
De manière avantageuse, le rouage de finissage comprend un mobile de grande moyenne muni d'un tigeron sur lequel le mobile de minuterie est monté à friction.Advantageously, the gear train comprises a large-scale mobile equipped with a tigeron on which the timer mobile is frictionally mounted.
Les moyens de correction des moyens d'affichage comprennent un renvoi qui engrène directement avec la chaussée.The means for correcting the display means comprise a reference which meshes directly with the roadway.
La forme annulaire du bâti permet de disposer les mobiles du rouage de finissage de manière à ce que leurs axes de rotation soient sensiblement disposés sur un cercle de diamètre égal à (D + d)/2.The annular shape of the frame makes it possible to arrange the mobiles of the gear train so that their axes of rotation are substantially arranged on a circle of diameter equal to (D + d) / 2.
Une telle solution est particulièrement bien adaptée aux mouvements de type mécanique, dans lequel la source d'énergie est formée d'un barillet, la base de temps d'un balancier, le dispositif de comptage d'un échappement, le barillet et le balancier pivotant sur des axes sensiblement disposés sur ce cercle.Such a solution is particularly well suited to mechanical movements, in which the energy source is formed by a barrel, the time base of a pendulum, the device for counting an exhaust, the barrel and the pendulum. pivoting on axes substantially arranged on this circle.
L'ouverture centrale permet de nombreux usages, par exemple l'affichage d'informations complémentaires. Dans une variante particulièrement intéressante, le mouvement comporte un mécanisme de quantième, disposé du côté opposé au cadran, comprenant deux disques d'affichage, l'un des dizaines, l'autre des unités, le quantième apparaissant dans l'ouverture. Il est ainsi possible d'afficher le quantième avec des chiffres particulièrement grands.The central opening allows many uses, for example the display of additional information. In a particularly interesting variant, the movement includes a date mechanism, arranged on the side opposite the dial, comprising two display discs, one of the tens, the other of the units, the date appearing in the opening. It is thus possible to display the date with particularly large numbers.
Pour assurer un positionnement correct des moyens d'affichage, la chaussée et la roue à canon comporte chacune une portion tubulaire, l'une engagée dans l'autre, la portion tubulaire de la chaussée étant positionnée dans l'ouverture centrale, de manière à pouvoir y tourner librement.To ensure correct positioning of the display means, the roadway and the cannon wheel each have a tubular portion, one engaged in the other, the tubular portion of the floor being positioned in the central opening, so that it can rotate freely.
Dans un premier mode de réalisation, le mobile de minuterie et les dentures de la chaussée et de la roue à canon sont disposés du côté fond du bâti. La portion tubulaire de la chaussée est définie par un diamètre intérieur et par un diamètre extérieur, le diamètre extérieur étant légèrement plus faible que d, de manière à ce qu'elle puisse tourner librement dans l'ouverture alors que la portion tubulaire de la roue à canon est définie par un diamètre extérieur légèrement inférieur au diamètre intérieur de la portion tubulaire de la chaussée, de manière à ce que la roue à canon puisse y tourner librement.In a first embodiment, the timer mobile and the teeth of the roadway and the cannon wheel are arranged on the bottom side of the frame. The tubular portion of the roadway is defined by an inside diameter and an outside diameter, the outside diameter being slightly smaller than d, so that it can rotate freely in the opening while the tubular portion of the wheel is defined by an outside diameter slightly smaller than the inside diameter of the tubular portion of the roadway, so that the cannon wheel can rotate there freely.
Il est possible d'utiliser la portion tubulaire de la roue à canon comme logement à un objet, celui-ci pouvant avoir une fonction technique, tel qu'une lentille ou une boussole, ou esthétique, tel qu'une gemme.It is possible to use the tubular portion of the cannon wheel as a housing for an object, which can have a technical function, such as a lens or a compass, or aesthetic, such as a gem.
Dans un deuxième mode de réalisation, le mobile de minuterie et les dentures de la chaussée et de la roue à canon sont disposés du côté cadran du bâti. Dans ce cas, la portion tubulaire de la chaussée est définie par son diamètre extérieur, dont une première partie est engagée dans l'ouverture, le diamètre extérieur étant légèrement plus faible que d de manière à ce qu'elle puisse tourner librement dans l'ouverture, et une deuxième partie disposée en dehors de l'ouverture et destinée à porter l'aiguille des minutes, et sur laquelle est engagée la roue à canon.In a second embodiment, the timer mobile and the teeth of the roadway and the cannon wheel are arranged on the dial side of the frame. In this case, the tubular portion of the roadway is defined by its outside diameter, a first part of which is engaged in the opening, the outside diameter being slightly smaller than d so that it can rotate freely in the opening, and a second part disposed outside the opening and intended to carry the minute hand, and on which the barrel wheel is engaged.
Il est possible d'utiliser la portion tubulaire de la chaussée comme logement destiné à recevoir un objet, celui-ci pouvant avoir une fonction technique tel qu'une lentille ou une boussole, ou esthétique tel qu'une gemme. D'autres avantages et caractéristiques de l'invention ressortiront de la description qui va suivre, faite en regard du dessin annexé, dans lequel:It is possible to use the tubular portion of the floor as a housing intended to receive an object, this one having a technical function such as a lens or a compass, or an aesthetic one such as a gem. Other advantages and characteristics of the invention will emerge from the description which follows, given with reference to the appended drawing, in which:
» Les figures 1 , 2 et 3 représentent un mouvement selon un premier mode de réalisation de l'invention vu respectivement côté cadran, côté fond et en coupe selon la ligne A-A des figures 1 et 2, • Les figures 4 et 5 montrent un mouvement selon un deuxième mode de réalisation, vu respectivement côté fond et en coupe selon la ligne A-A de la figure 4, et "Figures 1, 2 and 3 show a movement according to a first embodiment of the invention seen respectively the dial side, bottom side and in section along the line AA of Figures 1 and 2, FIGS. 4 and 5 show a movement according to a second embodiment, seen respectively on the bottom side and in section along the line AA in FIG. 4, and
• Les figures 6 à 10 présentent cinq variantes de montres munies d'un mouvement selon l'invention, en plan en a et en coupe partielle agrandie en b.• Figures 6 to 10 show five variants of watches provided with a movement according to the invention, in plan in a and in enlarged partial section in b.
Le mouvement représenté sur les figures 1 à 3 comporte, de manière classique, un bâti 10 formé d'une platine 12 et de ponts dont l'un seulement, d'aiguillage 14, est visible, sur les figures 2 et 3. Le bâti 10 porte, visibles sur la figure 1 :The movement shown in Figures 1 to 3 comprises, in a conventional manner, a frame 10 formed of a plate 12 and bridges of which only one, of switch 14, is visible, in Figures 2 and 3. The frame 10 door, visible in Figure 1:
• un barillet 16 tenant lieu de source d'énergie,• a barrel 16 serving as an energy source,
» un balancier 18 assurant la fonction de base de temps,A balance 18 ensuring the time base function,
• un échappement 20 qui assure le comptage du temps en synchronisme avec le balancier, et qui comporte un mobile 22 comprenant une roue 22a et un pignon 22b, et une ancre 24,An escapement 20 which counts the time in synchronism with the balance, and which comprises a mobile 22 comprising a wheel 22a and a pinion 22b, and an anchor 24,
« un rouage de finissage 26, comprenant un mobile de grande moyenne 28, un mobile de petite moyenne 30, un mobile de secondes 32, chaque mobile comportant une roue identifiée par la lettre a et un pignon b, dans lequel le pignon de grande moyenne 28b est en prise avec le barillet 16 et la roue de secondes 32a avec le pignon 22b du mobile d'échappement 22."A gear train 26, comprising a mobile of large average 28, a mobile of small average 30, a mobile of seconds 32, each mobile comprising a wheel identified by the letter a and a pinion b, in which the pinion of large average 28b is engaged with the barrel 16 and the seconds wheel 32a with the pinion 22b of the exhaust mobile 22.
Le bâti 10 porte, en outre, du côté fond et comme représenté sur la figure 2:The frame 10 also carries, on the bottom side and as shown in FIG. 2:
• un rouage de minuterie 34 comportant un mobile de minuterie 36 formé d'une roue 36a et d'un pignon 36b, une chaussée 38 entraînée par la roue de minuterie 36a et destinée à porter une aiguille des minutes 40, et une roue à canon 42 entraînée par le pignon de minuterie 36b et destinée à porter une aiguille des heures 44, les aiguilles 40 et 44 étant visibles sur les figures 1 et 3, et• a timer train 34 comprising a timer mobile 36 formed by a wheel 36a and a pinion 36b, a carriageway 38 driven by the timer wheel 36a and intended to carry a minute hand 40, and a cannon wheel 42 driven by the timer pinion 36b and intended to carry an hour hand 44, the hands 40 and 44 being visible in FIGS. 1 and 3, and
• un mécanisme de remontage et de mise à l'heure 46. Dans ce mouvement, le bâti 10 présente une forme annulaire, avec un diamètre extérieur D et un diamètre intérieur d qui définit une ouverture centrale 48. Il est dimensionné de manière à ce que D soit légèrement supérieur à 3d, typiquement compris entre 3,1 d et 3,3d. Le mécanisme de remontoir et de mise à l'heure 46 comprend une tige de mise à l'heure 50, destinée à être manipulée de l'extérieur de la montre, un pignon coulant, non visible au dessin, un pignon de remontoir 52, ces derniers étant montés sur la tige 50, ainsi qu'un rouage de remontoir 54 comportant une roue de couronne et une roue à rochet et qui relie le pignon de remontoir au barillet 16 pour armer le ressort que comporte ce dernier (Figure 1 ). Le mécanisme 46 comprend, en outre, deux renvois 56 et 58 représentés sur la figure 2, en prise l'un avec l'autre et engrenant respectivement avec le pignon coulant et avec la chaussée 38, ainsi qu'une tirette, une bascule et un pont de sautoir, qui n'ont pas été référencés, car ne participant pas directement à l'invention.• a winding and time setting mechanism 46. In this movement, the frame 10 has an annular shape, with an outside diameter D and an inside diameter d which defines a central opening 48. It is dimensioned so that D is slightly greater than 3d, typically between 3.1 d and 3.3d. The winding and time-setting mechanism 46 comprises a time-setting rod 50, intended to be manipulated from the outside of the watch, a sliding pinion, not visible in the drawing, a winding pinion 52, the latter being mounted on the rod 50, as well as a winding train 54 comprising a crown wheel and a ratchet wheel and which connects the winding pinion to the barrel 16 to arm the spring which the latter comprises (Figure 1). The mechanism 46 further comprises two references 56 and 58 shown in FIG. 2, engaged with each other and meshing respectively with the sliding pinion and with the carriageway 38, as well as a pull tab, a rocker and a jumper bridge, which have not been referenced, since they do not directly participate in the invention.
Ainsi qu'on peut le voir sur la figure 1 , les axes de pivotement du barillet 16, des mobiles du rouage de finissage 26 et de l'échappement 20, ainsi que du balancier 18 sont sensiblement disposés sur un cercle C dont le diamètre δ est sensiblement égale à (D+d)/2. Tous ces mobiles sont placés du côté cadran de la platine 12. Ils sont maintenus en place par un ou plusieurs ponts qui n'ont pas été représentés. Cette disposition particulière permet de rendre visibles, en dessous du cadran, les composants de la montre qui présentent les caractéristiques esthétiques les plus intéressantes.As can be seen in Figure 1, the pivot axes of the barrel 16, the moving parts of the gear train 26 and the escapement 20, as well as the balance 18 are substantially arranged on a circle C whose diameter δ is substantially equal to (D + d) / 2. All these mobiles are placed on the dial side of the plate 12. They are held in place by one or more bridges which have not been shown. This particular arrangement makes it possible to make visible, below the dial, the components of the watch which have the most attractive aesthetic characteristics.
Comme le montre plus particulièrement la figure 3, le pignon de grande moyenne 28b est engagé dans la platine 12 et comporte un tigeron 28c, qui dépasse de cette dernière et, sur lequel le mobile de minuterie 36 est monté par son pignon 36b. Celui-ci, de forme tubulaire, comporte un lantemage 36c qui coopère avec le tigeron 28c pour assurer une liaison à friction. Cette configuration fait que le mobile de minuterie 36 tourne avec le mobile de grande moyenne 28, sauf lors de la mise à l'heure, le pignon de minuterie 36b glissant alors sur le tigeron 28c à cause de la liaison à friction. Si les mobiles du rouage de finissage pivotent de manière classique entre la platine 12 et l'un des ponts, le guidage axial et radial de la chaussée 38 et de la roue à canon 42 s'effectue de manière originale. Plus précisément, la chaussée 38 comprend une portion tubulaire 38a, dont le diamètre extérieur est légèrement inférieur au diamètre intérieur de l'ouverture 48, de sorte qu'elle peut y tourner librement et dont la longueur est suffisante pour traverser le bâti 10 et dépasser d'une hauteur permettant le chassage de l'aiguille des minutes 40.As shown more particularly in FIG. 3, the medium-sized pinion 28b is engaged in the plate 12 and comprises a pin 28c, which protrudes from the latter and, on which the timer mobile 36 is mounted by its pinion 36b. The latter, of tubular shape, comprises a lanterning 36c which cooperates with the tigeron 28c to ensure a friction connection. This configuration causes the timer mobile 36 to rotate with the large average mobile 28, except when setting the time, the timer pinion 36b then sliding on the tigeron 28c because of the friction connection. If the moving parts of the gear train pivot in a conventional manner between the plate 12 and one of the bridges, the axial and radial guidance of the carriageway 38 and the gun wheel 42 is performed in an original manner. More specifically, the roadway 38 comprises a tubular portion 38a, the outside diameter of which is slightly less than the inside diameter of the opening 48, so that it can rotate there freely and the length of which is sufficient to pass through the frame 10 and exceed of a height allowing the driving out of the minute hand 40.
La roue à canon 42 comprend également une portion tubulaire 42a dont le diamètre extérieur est légèrement plus faible que le diamètre intérieur de la portion 38a, de telle sorte que la roue à canon peut être engagée dans la chaussée et y tourner librement. La portion 42a est suffisamment haute pour dépasser de la portion 38a et permettre la fixation de l'aiguille des heures 44.The cannon wheel 42 also comprises a tubular portion 42a, the outside diameter of which is slightly smaller than the inside diameter of the portion 38a, so that the cannon wheel can be engaged in the roadway and turn there freely. The portion 42a is high enough to protrude from the portion 38a and allow the attachment of the hour hand 44.
De manière classique dans les pièces d'horlogerie, l'aiguille des minutes 40 effectue un tour par heure et celle des heures un tour en 12 heures. Cela signifie que les dentures du mobile de minuterie 36, de la chaussée 38 et de la roue à canon 42 doivent être nombrées de manière à ce que le rapport d'engrenages soit égal à 1/12.Conventionally in timepieces, the minute hand 40 makes one revolution per hour and the hour hand one revolution in 12 hours. This means that the teeth of the timer mobile 36, the carriageway 38 and the barrel wheel 42 must be counted so that the gear ratio is equal to 1/12.
Comme l'ouverture 48 a un diamètre d sensiblement égal à D/3, cela signifie que la largeur de la portion annulaire est sensiblement égale à d, ce qui correspond à la place disponible radialement pour loger la roue de minuterie 36a. En d'autres termes, la roue de minuterie 36a et la chaussée 38 ont le même diamètre. Cela revient à dire que, d'une part la minuterie fait un tour par heure, ce qui correspond à la vitesse de rotation de la roue de grande moyenne et que, d'autre part la division par douze doit se faire entre le pignon de minuterie 36b et la roue à canon 42, le rapport d'engrenages entre ces mobiles étant de 1 :12. On relèvera qu'avec cette configuration, l'aiguille des heures 44 est placée en-dessous de celle des minutes 40.As the opening 48 has a diameter d substantially equal to D / 3, this means that the width of the annular portion is substantially equal to d, which corresponds to the space available radially to accommodate the timer wheel 36a. In other words, the timer wheel 36a and the roadway 38 have the same diameter. This amounts to saying that, on the one hand, the timer makes one revolution per hour, which corresponds to the speed of rotation of the large medium wheel, and that, on the other hand, the division by twelve must be done between the pinion of timer 36b and the cannon wheel 42, the gear ratio between these mobiles being 1: 12. It will be noted that with this configuration, the hour hand 44 is placed below that of the minutes 40.
Le mode de réalisation représenté aux figures 4 et 5 fait appel à la plupart des composants décrits en référence aux figures 1 à 3, ces composants portant les mêmes références. Dans ce cas, toutefois, tant le rouage de finissage 26 que celui de minuterie 34 sont disposés côté cadran. Le pignon de grande moyenne 36b pivote entre la platine 12 et un pont 60 visible seulement sur la figure 5. La chaussée 38 comporte aussi une portion tubulaire 38a, formée de deux parties distinctes. La première partie, qui s'étend vers le côté fond, est engagée dans l'ouverture 48. La deuxième partie, qui dépasse de la face du bâti côté cadran, constitue un support à l'aiguille des minutes 40. La roue à canon est aussi munie d'une portion tubulaire 42a, mais disposée sur et entourant la portion tubulaire 38a de la chaussée dans sa deuxième partie, et non pas engagée dans l'ouverture 48, comme décrit dans le premier mode de réalisation.The embodiment shown in Figures 4 and 5 uses most of the components described with reference to Figures 1 to 3, these components bearing the same references. In this case, however, both the gear train 26 and that of the timer 34 are arranged on the dial side. The medium-sized pinion 36b pivots between the plate 12 and a bridge 60 visible only in FIG. 5. The roadway 38 also includes a tubular portion 38a, formed of two distinct parts. The first part, which extends towards the bottom side, is engaged in the opening 48. The second part, which protrudes from the face of the frame on the dial side, constitutes a support for the 40 minute hand. The cannon wheel is also provided with a tubular portion 42a, but disposed on and surrounding the tubular portion 38a of the roadway in its second part, and not engaged in the opening 48, as described in the first embodiment.
Une telle variante permet de placer les aiguilles des heures 44 et des minutes 40 de manière classique. De plus, comme une seule portion tubulaire est engagée dans l'ouverture 48, le diamètre de celle-ci peut être légèrement plus grand.Such a variant makes it possible to place the hour 44 and minute 40 hands in a conventional manner. In addition, as a single tubular portion is engaged in the opening 48, the diameter of the latter may be slightly larger.
L'un ou l'autre des mouvements décrits ci-dessus peut être logé dans une boîte 61 classique, ainsi qu'un peut le voir sur les figures 6 à 10, lesquelles montrent différentes variantes de réalisation. Dans la montre de la figure 6, l'ouverture 48 est simplement laissée vide, et la boîte 61 est munie d'un fond 62 réalisé au moyen d'un verre, de sorte qu'il est possible de voir au-travers de la montre dans sa partie centrale.Either of the movements described above can be housed in a conventional box 61, as can be seen in FIGS. 6 to 10, which show different variant embodiments. In the watch of FIG. 6, the opening 48 is simply left empty, and the box 61 is provided with a bottom 62 produced by means of a glass, so that it is possible to see through the shows in its central part.
L'ouverture 48 peut aussi servir de réceptacle à un objet, comme illustré sur les figures 7 à 9. Selon que le mouvement correspond au premier ou au deuxième mode de réalisation décrit ci-dessus, cet objet sera logé soit dans la portion tubulaire 42a de la roue à canon, soit dans la portion tubulaire 38a de la minuterie.The opening 48 can also serve as a receptacle for an object, as illustrated in FIGS. 7 to 9. Depending on whether the movement corresponds to the first or to the second embodiment described above, this object will be housed either in the tubular portion 42a of the barrel wheel, or in the tubular portion 38a of the timer.
L'objet associé à la montre représentée sur la figure 7 est une boussole 64, laquelle tourne avec la roue dont la partie tubulaire sert de logement. Dans ce cas, le fond 62 peut être opaque. La variante de la figure 8 utilise la portion tubulaire servant de logement pour recevoir une gemme 66, par exemple un diamant ou un zircon. Une telle solution confère à la montre un aspect de bijou, tout en gardant une grande sobriété. Dans ce cas, il est avantageux que le fond 62 de la boîte 61 , au moins dans sa partie centrale, soit transparent. Cela contribue à la luminosité de la gemme.The object associated with the watch shown in Figure 7 is a compass 64, which rotates with the wheel whose tubular part serves as a housing. In this case, the bottom 62 can be opaque. The variant of FIG. 8 uses the tubular portion serving as a housing for receiving a gem 66, for example a diamond or a zircon. Such a solution gives the watch a jewel-like appearance, while retaining great sobriety. In this case, it is advantageous for the bottom 62 of the box 61, at least in its central part, to be transparent. This contributes to the brightness of the gem.
La figure 9 représente une montre dans laquelle le fond 62 porte une image 68, laquelle peut être agrandie au moyen d'une loupe 70 portée par la portion tubulaire 38a ou 42a, Enfin, la figure 10 se rapporte à une montre similaire à celle de la figure 9, l'image étant remplacée par un affichage 72 du quantième à grand guichet. Cet affichage est réalisé au moyen de deux disques 74 et 76 affichant l'un les unités et l'autre les dizaines, ces deux disques étant entraînés par un mécanisme tel que celui décrit dans le brevet CH 310 559 par exemple. Les mouvements décrits en référence aux figures 1 à 5 sont de type mécanique, il est évident que, de manière tout à fait comparable, les caractéristiques essentielles de l'invention peuvent se retrouver dans les montres électromécaniques. Dans ce cas, la source d'énergie est une pile ou un accumulateur, la base de temps un quartz, et le dispositif de comptage un circuit électronique et un moteur pas à pas.FIG. 9 represents a watch in which the bottom 62 carries an image 68, which can be enlarged by means of a magnifying glass 70 carried by the tubular portion 38a or 42a. Finally, FIG. 10 relates to a watch similar to that of FIG. 9, the image being replaced by a display 72 of the date with a large window. This display is achieved by means of two discs 74 and 76 displaying one the units and the other the tens, these two discs being driven by a mechanism such as that described in patent CH 310 559 for example. The movements described with reference to FIGS. 1 to 5 are of the mechanical type, it is obvious that, in a completely comparable manner, the essential characteristics of the invention can be found in electromechanical watches. In this case, the energy source is a battery or an accumulator, the time base a quartz, and the counting device an electronic circuit and a stepping motor.
Ainsi qu'on peut le voir sur les figures 1 , 2 et 4, les composants de base du mouvement occupent essentiellement la portion du bâti 10 comprise entre 3 et 9 heures. Les autres parties de ce bâti 10 peuvent servir de support à d'autres mécanismes tels qu'une répétition, un chronographe, etc. Il serait également possible de disposer les rouages de finissage 26 et de minuterie 34 du côté fond et placer un dispositif d'affichage par disques du côté cadran, affichant par exemple le jour et la date. As can be seen in Figures 1, 2 and 4, the basic components of the movement essentially occupy the portion of the frame 10 between 3 and 9 hours. The other parts of this frame 10 can serve as support for other mechanisms such as a rehearsal, a chronograph, etc. It would also be possible to arrange the gear wheels 26 and the timer 34 on the back side and place a disc display device on the dial side, displaying for example the day and the date.

Claims

REVENDICATIONS
1. Mouvement de montre comportant un bâti annulaire (10), de diamètre extérieur D, muni d'une ouverture centrale ronde (48) définie par un diamètre intérieur d et, portés par celui-ci:1. Watch movement comprising an annular frame (10), of external diameter D, provided with a round central opening (48) defined by an internal diameter d and, carried by the latter:
" une source d'énergie (16), a une base de temps (18),"an energy source (16), has a time base (18),
" un dispositif de comptage (20) commandé en synchronisme avec la base de temps (18), " un rouage de finissage (26) commandé par ledit dispositif (20),"a counting device (20) controlled in synchronism with the time base (18)," a finishing train (26) controlled by said device (20),
" un rouage de minuterie (34), agencé pour porter des moyens d'affichage analogique du temps (40, 44), et • des moyens de correction (46, 50, 56, 58) des moyens d'affichage"a timer train (34), arranged to carry analog time display means (40, 44), and • correction means (46, 50, 56, 58) display means
(40, 44), caractérisé en ce que le rouage de minuterie (34) comporte un mobile de minuterie (36) comprenant une roue (36a) et un pignon (36b), une chaussée (38) entraînée par la roue de minuterie (36a) et destinée à porter une aiguille des minutes (40), et une roue à canon (42) entraînée par le pignon de minuterie(36b) et destinée à porter une aiguille des heures (44), en ce que la chaussée (38) et la roue à canon (42) sont concentriques au bâti (10) et présentent une ouverture centrale sensiblement égale à d, et en ce que la roue de minuterie (36a) présente un diamètre légèrement inférieur à (D - d)/2.(40, 44), characterized in that the timer train (34) comprises a timer mobile (36) comprising a wheel (36a) and a pinion (36b), a carriageway (38) driven by the timer wheel ( 36a) and intended to carry a minute hand (40), and a barrel wheel (42) driven by the timer pinion (36b) and intended to carry an hour hand (44), in that the roadway (38 ) and the barrel wheel (42) are concentric with the frame (10) and have a central opening substantially equal to d, and in that the timer wheel (36a) has a diameter slightly less than (D - d) / 2 .
2. Mouvement selon la revendication 1 , caractérisé en ce que le rouage de finissage comprend un mobile de grande moyenne (28) muni d'un tigeron (28c) sur lequel le mobile de minuterie (36) est monté à friction. 2. Movement according to claim 1, characterized in that the finishing train comprises a large medium mobile (28) provided with a tigeron (28c) on which the timer mobile (36) is friction mounted.
3. Mouvement selon l'une des revendications 1 et 2, caractérisé en ce que les moyens de correction (46, 50, 56, 58) des moyens d'affichage comportent au moins un renvoi (58) engrenant directement avec ladite chaussée (38).3. Movement according to one of claims 1 and 2, characterized in that the correction means (46, 50, 56, 58) of the display means comprise at least one reference (58) meshing directly with said floor (38 ).
4. Mouvement selon l'une des revendications 1 à 3, caractérisé en ce que les mobiles du rouage de finissage (26) ont leurs axes de rotation sensiblement disposés sur un cercle (C) de diamètre égal à (D + d)/2.4. Movement according to one of claims 1 to 3, characterized in that the mobiles of the gear train (26) have their axes of rotation substantially arranged on a circle (C) of diameter equal to (D + d) / 2 .
5. Mouvement selon la revendication 4, caractérisé en ce que la source d'énergie est mécanique, formée d'un barillet (16), la base de temps est un balancier (18), le dispositif de comptage est un échappement (20), le barillet (16) et le balancier (20) pivotant sur des axes sensiblement disposés sur ledit cercle (C).5. Movement according to claim 4, characterized in that the energy source is mechanical, formed of a barrel (16), the time base is a balance (18), the counting device is an escapement (20) , the barrel (16) and the balance (20) pivoting on axes substantially arranged on said circle (C).
6. Mouvement selon l'une des revendications 1 à 5, caractérisé en ce qu'il comporte, en outre, des moyens d'affichage du quantième (72), disposé du côté opposé au cadran, comportant deux disques d'affichage, l'un des dizaines (74), l'autre des unités (76), le quantième apparaissant dans ladite ouverture (48).6. Movement according to one of claims 1 to 5, characterized in that it further comprises date display means (72), disposed on the side opposite the dial, comprising two display discs, l one of the tens (74), the other of the units (76), the date appearing in said opening (48).
7. Mouvement selon l'une des revendications 1 à 6, caractérisé en ce que la chaussée (38) et la roue à canon (42) comporte chacune une portion tubulaire (38a, 42a), l'une engagée dans l'autre, la portion tubulaire (38a) de la chaussée étant positionnée dans l'ouverture centrale (48), de manière à pouvoir y tourner librement.7. Movement according to one of claims 1 to 6, characterized in that the roadway (38) and the barrel wheel (42) each comprise a tubular portion (38a, 42a), one engaged in the other, the tubular portion (38a) of the roadway being positioned in the central opening (48), so as to be able to rotate there freely.
8. Mouvement selon la revendication 7, caractérisé en ce que le mobile de minuterie (36) et les dentures de la chaussée (38) et de la roue à canon (42) sont disposés du côté fond du bâti, la portion tubulaire (38a) de la chaussée est définie par un diamètre intérieur et par un diamètre extérieur, son diamètre extérieur étant légèrement plus faible que d, de manière à ce qu'elle puisse tourner librement dans ladite ouverture (48), et en ce que la portion tubulaire (42a) de la roue à canon est définie par un diamètre extérieur légèrement inférieur au diamètre intérieur de la portion tubulaire (38a) de la chaussée, de manière à ce que la roue à canon (42) puisse y tourner librement.8. Movement according to claim 7, characterized in that the timer mobile (36) and the teeth of the roadway (38) and the wheel to barrel (42) are arranged on the bottom side of the frame, the tubular portion (38a) of the roadway is defined by an inside diameter and by an outside diameter, its outside diameter being slightly smaller than d, so that it can rotate freely in said opening (48), and in that the tubular portion (42a) of the barrel wheel is defined by an outside diameter slightly smaller than the inside diameter of the tubular portion (38a) of the roadway, so as to that the barrel wheel (42) can rotate freely there.
9. Mouvement selon la revendication 8, caractérisé en ce que la portion tubulaire (42a) de la roue à canon sert de logement à un objet.9. Movement according to claim 8, characterized in that the tubular portion (42a) of the barrel wheel serves as a housing for an object.
10. Mouvement selon la revendication 7, caractérisé en ce que le mobile de minuterie (36) et les dentures de la chaussée (38) et de la roue à canon (42) sont disposés du côté cadran du bâti (10), la portion tubulaire (38a) de la chaussée est définie par son diamètre extérieur dont une première partie est engagée dans ladite ouverture (48), le diamètre extérieur étant légèrement plus faible que d, de manière à ce qu'elle puisse y tourner librement, et une deuxième partie disposée en dehors de l'ouverture et destinée à porter l'aiguille des minutes (40) et sur laquelle est engagée la roue à canon (42).10. Movement according to claim 7, characterized in that the timer mobile (36) and the teeth of the roadway (38) and the cannon wheel (42) are arranged on the dial side of the frame (10), the portion tubular (38a) of the roadway is defined by its outside diameter, a first part of which is engaged in said opening (48), the outside diameter being slightly smaller than d, so that it can rotate freely therein, and a second part arranged outside the opening and intended to carry the minute hand (40) and on which is engaged the barrel wheel (42).
11. Mouvement selon la revendication 10, caractérisé en ce que la portion tubulaire (42a) de la roue à canon sert de logement à un objet.11. Movement according to claim 10, characterized in that the tubular portion (42a) of the barrel wheel serves as a housing for an object.
12. Mouvement selon l'une des revendications 9 et 11, caractérisé en ce que ledit objet est choisi parmi une lentille (70), une gemme (66) et une boussole (64). 12. Movement according to one of claims 9 and 11, characterized in that said object is chosen from a lens (70), a gem (66) and a compass (64).
EP02701151A 2001-03-20 2002-03-13 Watch movement Expired - Lifetime EP1481293B1 (en)

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PCT/CH2002/000151 WO2002075461A1 (en) 2001-03-20 2002-03-13 Watch movement

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Also Published As

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EP1481293B1 (en) 2007-10-10
ATE375531T1 (en) 2007-10-15
DE60222936T2 (en) 2008-07-24
WO2002075461A8 (en) 2002-11-14
HK1073504A1 (en) 2005-10-07
US7321528B2 (en) 2008-01-22
DE60222936D1 (en) 2007-11-22
AU2002234482A1 (en) 2002-10-03
US20050219959A1 (en) 2005-10-06
WO2002075461A1 (en) 2002-09-26
EP1243985A1 (en) 2002-09-25
JP2004528551A (en) 2004-09-16
ES2294097T3 (en) 2008-04-01

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