EP3492997A1 - Mechanical timepiece movement comprising a chiming mechanism - Google Patents
Mechanical timepiece movement comprising a chiming mechanism Download PDFInfo
- Publication number
- EP3492997A1 EP3492997A1 EP17204727.6A EP17204727A EP3492997A1 EP 3492997 A1 EP3492997 A1 EP 3492997A1 EP 17204727 A EP17204727 A EP 17204727A EP 3492997 A1 EP3492997 A1 EP 3492997A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pinion
- timer
- wheel
- roadway
- rocker
- 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
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 241000237858 Gastropoda Species 0.000 claims description 12
- 230000035515 penetration Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229940082150 encore Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 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
- G04B13/00—Gearwork
- G04B13/02—Wheels; Pinions; Spindles; Pivots
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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
- G04B21/00—Indicating the time by acoustic means
- G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
- G04B21/022—Regular striking mechanisms giving the full hour, half hour or quarter hour with saw mechanism
-
- 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
- G04B23/00—Arrangements producing acoustic signals at preselected times
- G04B23/02—Alarm clocks
- G04B23/023—Driving, e.g. by springs or common drive with the clockwork; gears; escapements
-
- 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
- G04B35/00—Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears
-
- 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
- G04B21/00—Indicating the time by acoustic means
- G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
- G04B21/12—Reiterating watches or clocks
Definitions
- the invention relates to a clockwork mechanical movement comprising a striking mechanism and more particularly such a movement comprising a device for limiting the angular play in the clockwork.
- the invention also relates to a timepiece including a bell-shaped wristwatch comprising such a movement.
- Watchmaking mechanisms are great complications, complex as much by the number and complexity of the kinematics of their components, as by the modes of operation of which they are capable.
- the minutes snail that is to say the cam bearing the notches to set the minute ringer that cooperates with the probe of the minute room, is directly fixed on the roadway which carries at its end the minute hand.
- Such an arrangement ensures a mechanism with no offset between the position of the minute hand opposite the minute scale of the dial and the number of minutes strokes sounded.
- a secondary roadway is provided connected to the main roadway via a roadway. return or advantageously from the timer of the movement.
- the correspondence between the position of the minute limb carried by the main roadway and the position of the minute hand carried by the secondary roadway, opposite the minute scale is dependent on the sum of the angular gaps in the clockwork.
- this total angular clearance between the secondary roadway and the main road bearing minutes snail is typically of the order of 3 to 8 °.
- the main purpose of the invention is therefore to provide a clockwork movement with a particularly minute-repeating mechanism intended to overcome the drawbacks of the prior art and in particular to provide such a movement aimed at reducing or even eliminating the angular clearance in the train running between the main road and the secondary road to ensure a perfect match between the position of the minute hand opposite the minute scale of the dial and the number of minutes strokes sounded.
- the invention also aims to provide such a watch movement that is compact, economical and simple to implement.
- the invention also aims to provide a device adjustable by the watchmaker, adjustment that compensates for tolerances defects dimensions of often important components in these very complicated mechanisms and manufactured in small series.
- the invention relates to a clockwork mechanical movement comprising a striking mechanism, said striking mechanism comprising at least a first roadway provided with a first-floor gear and on which is coaxially mounted at least one cooing intended for cooperating with a feeler member of the striking mechanism, said first floor being arranged to be driven at least indirectly by the movement finishing train, said movement being characterized in that it further comprises a second roadway provided with a pinion gear.
- the second floor in that the second floor carries the minute hand, in that the pinion of the second floor is, on the one hand, engaged with the finishing gear, and on the other hand, with a wheel of timer, in that the timer wheel is engaged with the pinion of the first carriageway, in that a timer gear is engaged with a coaxial hour wheel at the same time the second wheel, and that the timer wheel is mounted on a rocker arranged to pivot about a fixed point and whose angular position can be pivotally adjusted so as to allow adjustment of the position of the timer wheel relatively at the pinion of the first carriageway and the pinion of the second carriageway.
- the watchmaker by acting on the angular position of the rocker carrying the timer wheel, the watchmaker has a simple adjustment device of the angular clearance in the gear train in the train extending between the first floor and the door. second floor. In doing so, the watchmaker can easily adjust the distance between the axis of the timer wheel and the respective axes of the first and second roadways and thus adjust the depth of penetration of the teeth of the timer wheel into the teeth of the respective gears.
- first and second pavements "thereby adjusting the angular clearance in the train and thus ensuring a perfect match between the position of the minute hand opposite the minute scale of the dial and the position of the minutes snail when the information taken by the probe of the minute room and therefore the number of shots sounded.
- the watchmaking movement 1 comprises at least one striking mechanism 2 of which only the elements necessary for the understanding of the invention have been represented.
- the movement 1 which is partially represented in perspective conventionally comprises a plate P, a barrel meshing with a finishing gear in engagement with an escapement (not shown).
- the finishing train is also linked to a timer wheel M which drives the hour and minute hands 4 and 4 which move in the center of a dial 5 surmounting the movement 1.
- the movement is circular and the dial is not centered on the movement.
- the timer train typically comprises a timer wheel 6 formed of a timer wheel 6a and a timer gear 6b.
- the striking mechanism 2 comprises a first floor 7 comprising an axis 7a carrying at an upper end a first floor pinion 8 in engagement with a timer wheel 6a.
- the axis 7a also carries coaxially and superimposed successively a quarter snail 9, a surprise 10 and minute snail 11 which cooperate respectively with probing members (not shown) of the striking mechanism 2.
- the axis 7a may comprise only a snail.
- the axis 7a of the first roadway also carries in its middle part a pinion 12 intended to come into engagement with a conventional time setting mechanism not shown.
- the pinion 12 could be omitted and the time-setting mechanism could come into direct contact with the timer M, for example with the timer wheel 6a.
- the timer gear 6b is engaged with a hour wheel 13 whose barrel 13a carries the hour hand 3.
- the timer wheel 6a is also engaged with a pinion 14a of a second carriageway 4 whose body 14b is extends coaxially through the barrel 13a and carries the minute hand 4.
- the pinion 14a of the second floor is further engaged with the finishing train which thus ensures the driving of the timer M which thus indirectly leads to the first floor 7.
- the timer wheel 6 is pivotally mounted on a rocker 15 about an axis 16 driven into a cut-out opening, in the example illustrated in a central portion of the rocker 15.
- the rocker 15 which presents a generally arcuate shape, is fixed to a first 15a of its ends by means of a screw 17 directly screwed into a bridge Po extending above the plate P.
- the latch has in the zone of the first end 15a a collar defined by a narrowing R forming a flexible portion resiliently bending and defining a flexion axis FL extending perpendicular to the plane of the rocker 15.
- the rocker 15 comprises at its second end 15b opposite the fixed end 15a housing 15c in which moves a eccentric member 18 which comprises a head 18a extended by a cylindrical body 18b extended in turn by a pin 18c eccentric relative to the cylindrical body 18b.
- the head 18a is provided on its upper face with a slot 18d for receiving the end of an actuating tool.
- the body 18b is driven into a corresponding opening of the rocker 15 and the stud 18c extends in an oblong opening 18e provided in the bridge Po.
- the rocker can therefore move in rotation around its axis of flexion FL located at the point narrower the narrowing R in a plane substantially parallel to the plane of movement 1 according to the arrow F when the eccentric member 18 is actuated in rotation.
- the angular position of the rocker 15 can thus be adjusted by the actuation in rotation of the eccentric member 18 for example by means of a screwdriver so as to allow a simultaneous adjustment of the position of the timer wheel 6a relative to the pinion 8 of the first floor 7 and the pinion 14a of the second floor 14.
- the adjustment position is maintained by the friction of the body 18b in the opening of the rocker 15. It will further be noted that the elasticity of the neck allows after adjustment the position of the rocker to recall the latter and thereby reduce the game in the cog.
- the rocker 15 is arranged relative to the pinion 8 of the first roadway 7 and relative to the pinion 14a of the second roadway 14 so that an angular displacement of the rocker 15 about the flexion axis FL causes a circular displacement of the rocker 15 which causes the teeth of the timer wheel 6a to penetrate to an identical depth in the toothing of the pinion 8 of the first roadway 7 and in the toothing of the pinion 14a of the second roadway 14.
- a watch gear typically has, at the nominal spacing, a set of teeth is of the order of 0.16 x the angular pitch of a toothing.
- an angular clearance of: 360 ° / 20 * 0.16 is: 2.68 °.
- the angular clearance accumulates, which leads to a total angular clearance of the order 2x 2.68 ° or 5.36 °.
- the movement of the invention and in particular the arrangement of the timer wheel 6 on the rocker 17 whose position is angularly adjustable about the axis of flexion FL makes it possible to simultaneously vary the nominal distance between the wheel of the invention.
- timer and the first 7 and second 14 roads and in particular to reduce these distances to optimize the angular clearance between the teeth and allow a gear with angular play ensuring, on the one hand, a perfect match between the position of the minutes and the minute hand opposite the dial and, secondly, minimal wear of the teeth in play.
- timer wheel 6a is seen respectively in two positions for adjusting the penetration of its toothing in the toothing of the pinions 8 and 14a of the first and second pavements 7 and 14.
- the toothing of the timer wheel which has the largest number of teeth, may have teeth 6c which each comprise driving flanks 6d having a rectilinear segment forming an apex angle of between 2 and 10 ° in order to facilitate the penetration of this toothing in the gear wheels with which it meshes when the nominal distance is reduced by the pivoting of the rocker 15 at the time of adjustment of the position of the mobile timer 6.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromechanical Clocks (AREA)
- Measurement Of Predetermined Time Intervals (AREA)
- Transmission Devices (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Gears, Cams (AREA)
Abstract
L'invention concerne un mouvement mécanique d'horlogerie comprenant un mécanisme de sonnerie, ledit mécanisme de sonnerie comportant au moins une première chaussée (7) munie d'un pignon (8) de première chaussée et sur laquelle est monté coaxialement au moins un limaçon (11) destiné à coopérer avec un organe palpeur du mécanisme de sonnerie, ladite première chaussée (7) étant agencée pour être entraînée au moins indirectement par le rouage de finissage du mouvement,caractérisé en ce qu'il comprend en outre une deuxième chaussée (14) munie d'un pignon (14a) de deuxième chaussée, en ce que la deuxième chaussée (14) porte l'aiguille des minutes (4), en ce que le pignon (8) de première chaussée est d'une part en prise avec le rouage de finissage, et d'autre part avec une roue de minuterie (6a), en ce que la roue de minuterie (6a) est en prise avec le pignon (8) de première chaussée en ce que un pignon de minuterie (6b) est en prise avec une roue des heures (13) coaxiale à la deuxième chaussée (14) et en ce que la roue de minuterie (6a) est montée sur une bascule (15) agencée pour pivoter autour d'un point fixe et dont une position angulaire peut être ajustée par pivotement de façon à permettre un réglage de la position de la roue de minuterie (6a) relativement au pignon (8) de la première chaussée et au pignon (14a) de la deuxième chaussée.The invention relates to a clockwork mechanical movement comprising a striking mechanism, said striking mechanism comprising at least a first roadway (7) provided with a pinion (8) of first roadway and on which is coaxially mounted at least one coaster (11) intended to cooperate with a feeler member of the striking mechanism, said first pavement (7) being arranged to be driven at least indirectly by the movement finishing train, characterized in that it further comprises a second pavement ( 14) provided with a pinion (14a) of second floor, in that the second floor (14) carries the minute hand (4), in that the pinion (8) of the first floor is on the one hand in taken with the finishing train, and secondly with a timer wheel (6a), in that the timer wheel (6a) is engaged with the first-floor gear (8) in that a timer gear (6b) is engaged with a wheel of hours (1 3) coaxial with the second roadway (14) and in that the timer wheel (6a) is mounted on a rocker (15) arranged to pivot about a fixed point and whose angular position can be pivotally adjusted so as to to allow adjustment of the position of the timer wheel (6a) relative to the pinion (8) of the first roadway and the pinion (14a) of the second roadway.
Description
L'invention concerne un mouvement mécanique d'horlogerie comprenant un mécanisme de sonnerie et plus particulièrement un tel mouvement comprenant un dispositif permettant de limiter le jeu angulaire dans le rouage de minuterie.The invention relates to a clockwork mechanical movement comprising a striking mechanism and more particularly such a movement comprising a device for limiting the angular play in the clockwork.
L'invention concerne encore une pièce d'horlogerie notamment une montre bracelet à sonnerie comportant un tel mouvement.The invention also relates to a timepiece including a bell-shaped wristwatch comprising such a movement.
Les mécanismes de sonnerie d'horlogerie sont de grandes complications, complexes autant par le nombre et la complexité des cinématiques de leurs composants, que selon les modes de fonctionnement dont ils sont capables.Watchmaking mechanisms are great complications, complex as much by the number and complexity of the kinematics of their components, as by the modes of operation of which they are capable.
Dans les mécanismes de sonnerie notamment les mécanismes de sonnerie à répétitions classiques, le limaçon des minutes, c'est-à-dire la came portant les entailles pour régler la sonnerie des minutes qui coopère avec le palpeur de la pièce des minutes, est directement fixé sur la chaussée qui porte à son extrémité l'aiguille des minutes. Un tel arrangement garantit un mécanisme sans décalage entre la position de l'aiguille des minutes en regard de l'échelle des minutes du cadran et le nombre de coups des minutes sonnés.In the ringing mechanisms including conventional repetition ring mechanisms, the minutes snail, that is to say the cam bearing the notches to set the minute ringer that cooperates with the probe of the minute room, is directly fixed on the roadway which carries at its end the minute hand. Such an arrangement ensures a mechanism with no offset between the position of the minute hand opposite the minute scale of the dial and the number of minutes strokes sounded.
Lorsque pour des raisons esthétiques ou autres on souhaite décaler axialement la disposition des aiguilles des heures et des minutes par rapport au limaçon des minutes porté classiquement par la chaussée principale, on prévoit une chaussée secondaire reliée à la chaussée principale par l'intermédiaire d'un renvoi ou avantageusement de la minuterie du mouvement. Dans une telle configuration, la correspondance entre la position du limaçon des minutes porté par la chaussée principale et la position de l'aiguille des minutes portée par la chaussée secondaire, en regard de l'échelle des minutes est dépendante de la somme des jeux angulaires dans le rouage de minuterie. Or, ce jeu angulaire total entre la chaussée secondaire et la chaussée principale portant de limaçon des minutes est typiquement de l'ordre de 3 à 8°. Sachant qu'un arc de 6° représente une minute d'erreur de lecture sur l'échelle des minutes du cadran, il est des circonstances dans lesquelles la position de l'aiguille des minutes en regard de l'échelle des minutes du cadran et le nombre de coups des minutes sonnés est incorrecte. Cette situation est bien entendu inacceptable pour des produits de luxe et de haute qualité que sont les pièces d'horlogerie équipées de mouvements d'horlogerie à mécanisme de sonnerie à répétition minutes ou grandes sonnerie.When, for aesthetic or other reasons, it is desired to axially shift the arrangement of the hour and minute hands relative to the minute neck carried conventionally by the main roadway, a secondary roadway is provided connected to the main roadway via a roadway. return or advantageously from the timer of the movement. In such a configuration, the correspondence between the position of the minute limb carried by the main roadway and the position of the minute hand carried by the secondary roadway, opposite the minute scale is dependent on the sum of the angular gaps in the clockwork. However, this total angular clearance between the secondary roadway and the main road bearing minutes snail is typically of the order of 3 to 8 °. Knowing that an arc of 6 ° represents a minute of reading error on the minute scale of the dial, there are circumstances in which the position of the minute hand opposite the minute scale of the dial and the number of strokes of the minutes sounded is incorrect. This situation is of course unacceptable for luxury and high quality products that are timepieces equipped with watch movements with a minute or large ringing mechanism.
L'invention a donc pour but principal de fournir un mouvement d'horlogerie à mécanisme de sonnerie notamment à répétition minutes visant à pallier les inconvénients de l'art antérieur et en particulier de fournir un tel mouvement visant à réduire voire supprimer le jeu angulaire dans le rouage s'étendant entre la chaussée principale et la chaussée secondaire afin d'assurer une concordance parfaite entre la position de l'aiguille des minutes en regard de l'échelle des minutes du cadran et le nombre de coups des minutes sonnés.The main purpose of the invention is therefore to provide a clockwork movement with a particularly minute-repeating mechanism intended to overcome the drawbacks of the prior art and in particular to provide such a movement aimed at reducing or even eliminating the angular clearance in the train running between the main road and the secondary road to ensure a perfect match between the position of the minute hand opposite the minute scale of the dial and the number of minutes strokes sounded.
L'invention a également pour but de fournir un tel mouvement d'horlogerie qui soit peu encombrant, économique et simple à mettre en oeuvre.The invention also aims to provide such a watch movement that is compact, economical and simple to implement.
L'invention a également pour but de fournir un dispositif réglable par l'horloger, réglage qui permet de compenser les défauts de tolérances des dimensions des composants souvent importants dans ces mécanismes très compliqués et fabriqués en petites séries.The invention also aims to provide a device adjustable by the watchmaker, adjustment that compensates for tolerances defects dimensions of often important components in these very complicated mechanisms and manufactured in small series.
A cet effet, l'invention concerne un mouvement mécanique d'horlogerie comprenant un mécanisme de sonnerie, ledit mécanisme de sonnerie comportant au moins une première chaussée munie d'un pignon de première chaussée et sur laquelle est monté coaxialement au moins un limaçon destiné à coopérer avec un organe palpeur du mécanisme de sonnerie, ladite première chaussée étant agencée pour être entraînée au moins indirectement par le rouage de finissage du mouvement, ledit mouvement étant caractérisé en ce qu'il comprend en outre une deuxième chaussée munie d'un pignon de deuxième chaussée, en ce que la deuxième chaussée porte l'aiguille des minutes, en ce que le pignon de la deuxième chaussée est, d'une part, en prise avec le rouage de finissage, et d'autre part, avec une roue de minuterie, en ce que la roue de minuterie est en prise avec le pignon de la première chaussée, en ce qu'un pignon de minuterie est en prise avec une roue des heures coaxiale à la deuxième chaussée, et en ce que la roue de minuterie est montée sur une bascule agencée pour pivoter autour d'un point fixe et dont une position angulaire peut être ajustée par pivotement de façon à permettre un réglage de la position de la roue de minuterie relativement au pignon de la première chaussée et au pignon de la deuxième chaussée.For this purpose, the invention relates to a clockwork mechanical movement comprising a striking mechanism, said striking mechanism comprising at least a first roadway provided with a first-floor gear and on which is coaxially mounted at least one cooing intended for cooperating with a feeler member of the striking mechanism, said first floor being arranged to be driven at least indirectly by the movement finishing train, said movement being characterized in that it further comprises a second roadway provided with a pinion gear. second floor, in that the second floor carries the minute hand, in that the pinion of the second floor is, on the one hand, engaged with the finishing gear, and on the other hand, with a wheel of timer, in that the timer wheel is engaged with the pinion of the first carriageway, in that a timer gear is engaged with a coaxial hour wheel at the same time the second wheel, and that the timer wheel is mounted on a rocker arranged to pivot about a fixed point and whose angular position can be pivotally adjusted so as to allow adjustment of the position of the timer wheel relatively at the pinion of the first carriageway and the pinion of the second carriageway.
Grâce à ce dispositif, en agissant sur la position angulaire de la bascule portant la roue de minuterie, l'horloger dispose d'un dispositif d'ajustement simple du jeu angulaire dans le rouage dans le rouage s'étendant entre la première chaussée et la deuxième chaussée. Ce faisant, l'horloger peut donc aisément ajuster la distance entre l'axe de la roue de minuterie et les axes respectifs des première et deuxième chaussées et ainsi régler la profondeur de pénétration des dents de la roue de minuterie dans la denture des pignons respectifs des première et deuxième chaussées" ajustant par là même le jeu angulaire dans le rouage et donc assurant une concordance parfaite entre la position de l'aiguille des minutes en regard de l'échelle des minutes du cadran et la position du limaçon des minutes lors de la prise d'information par le palpeur de la pièce des minutes et donc le nombre coups sonnés.With this device, by acting on the angular position of the rocker carrying the timer wheel, the watchmaker has a simple adjustment device of the angular clearance in the gear train in the train extending between the first floor and the door. second floor. In doing so, the watchmaker can easily adjust the distance between the axis of the timer wheel and the respective axes of the first and second roadways and thus adjust the depth of penetration of the teeth of the timer wheel into the teeth of the respective gears. first and second pavements "thereby adjusting the angular clearance in the train and thus ensuring a perfect match between the position of the minute hand opposite the minute scale of the dial and the position of the minutes snail when the information taken by the probe of the minute room and therefore the number of shots sounded.
Conformément à d'autres aspects avantageux de l'invention :
- l'ajustement de la position angulaire de la bascule est réalisé au moyen d'un organe excentrique se déplaçant dans un logement prévu à une extrémité opposée au point fixe de la bascule.
- la bascule est bloquée en position dans sa position angulaire ajustée par frottement entre l'excentrique et le logement de la bascule ou par une vis de blocage supplémentaire proche de l'excentrique.
- la roue de minuterie est montée libre en rotation autour d'un axe qui s'étend perpendiculairement au plan du mouvement et la bascule s'étend dans un plan parallèle au plan du mouvement d'horlogerie.
- la bascule est agencée relativement au pignon de la première chaussée principale et relativement au pignon de la deuxième chaussée de manière qu'un déplacement angulaire de la bascule résulte en une pénétration des dents de la roue de minuterie sur une profondeur identique dans la denture du pignon de la première chaussée et dans la denture du pignon de la deuxième chaussée.
- les dents de la roue de minuterie comprennent chacune des flancs d'entrainement présentant un segment rectiligne formant un angle au sommet compris entre 2 et 10°.
- la première chaussée comprend un limaçon des minutes, une surprise et un limaçon des quarts.
- la roue de minuterie est solidaire d'un pignon de minuterie coaxial à celle-ci et en ce que le pignon de minuterie est en prise avec une roue des heures.
- la roue des heures est coaxiale à la deuxième chaussée et la roue des heures présente un canon entourant la deuxième chaussée et dont l'extrémité porte une aiguille des heures.
- pour favoriser encore la fonction de réglage de jeu, la forme des flancs de dents comprenant deux segments rectilignes formant un angle au sommet est agencée pour favoriser la linéarité de la réduction de jeu le long de la plage de réglage.
- adjusting the angular position of the rocker is achieved by means of an eccentric member moving in a housing provided at an end opposite to the fixed point of the rocker.
- the rocker is locked in position in its angular position adjusted by friction between the eccentric and the housing of the rocker or by an additional locking screw close to the eccentric.
- the timer wheel is rotatably mounted about an axis which extends perpendicular to the plane of movement and the rocker extends in a plane parallel to the plane of the clockwork movement.
- the rocker is arranged relative to the pinion of the first main road and relative to the pinion of the second roadway so that an angular displacement of the rocker results in penetration of the teeth of the timer wheel to an identical depth in the gear teeth of the first roadway and in the gears of the gable of the second roadway.
- the teeth of the timer wheel each comprise driving flanks having a rectilinear segment forming an apex angle of between 2 and 10 °.
- the first floor includes a snail of the minutes, a surprise and a quarter snail.
- the timer wheel is secured to a timer gear coaxial therewith and the timer gear is engaged with a hour wheel.
- the hour wheel is coaxial with the second floor and the hour wheel has a barrel around the second floor and the end has a hour hand.
- to further promote the game adjustment function, the shape of the tooth flanks comprising two rectilinear segments forming an angle at vertex is arranged to promote the linearity of the reduction of play along the adjustment range.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où :
- la
figure 1 représente une vue partielle en perspective partiellement arrachée d'un mouvement d'horlogerie comprenant un mécanisme de sonnerie selon l'invention ; - la
figure 1a représente une coupe partielle du mouvement de l'invention montrant la bascule portant le mobile de minuterie ; - la
figure 1b représente en vue de dessus d'un détail de lafigure 1 illustrant le dispositif de réglage de l'orientation angulaire de la bascule portant le mobile de minuterie; - la
figure 1c représente un coupe selon la ligne A-A de lafigure 1b ; - la
figure 2 représente en perspective un détail du mouvement d'horlogerie selon l'invention illustré à lafigure 1 ; - les
figures 3 et4 représentent respectivement en vue de dessus la roue de minuterie selon deux positions de réglage de la bascule portant le mobile de minuterie afin d'ajuster la profondeur de pénétration de la denture de la roue de minuterie dans la denture des pignons de chaussée du mouvement selon l'invention, et - les
figures 3a et4a sont respectivement des vues de détail de l'engrènement de la denture de la roue de minuterie dans un pignon de chaussée desfigures 3 et4 , et - la
figure 5 est un détail de la denture de la roue de minuterie.
- the
figure 1 represents a partially broken partial perspective view of a clockwork movement comprising a striking mechanism according to the invention; - the
figure 1a represents a partial section of the movement of the invention showing the rocker carrying the timer mobile; - the
figure 1b represents in top view a detail of thefigure 1 illustrating the device for adjusting the angular orientation of the rocker carrying the timer mobile; - the
figure 1c represents a section along line AA of thefigure 1b ; - the
figure 2 represents in perspective a detail of the watch movement according to the invention illustrated in FIG.figure 1 ; - the
figures 3 and4 respectively represent a top view of the timer wheel in two adjustment positions of the rocker carrying the timer wheel to adjust the depth of penetration of the toothing of the timer wheel in the teeth of the gears of the roadway movement according to l invention, and - the
figures 3a and4a are respectively detailed views of the meshing of the toothing of the timer wheel in a sprocket offigures 3 and4 , and - the
figure 5 is a detail of the toothing of the timer wheel.
A la
L'homme de métier pourra se référer à l'ouvrage de
- sonneries,
- répétition antique,
- répétition à quarts moderne,
- répétition simplifiée,
- répétition demi-quarts,
- répétition demi-quarts Breguet,
- répétition cinq minutes,
- répétition à minutes,
- grande sonnerie.
- ringtones,
- ancient repetition,
- modern quarter rehearsal,
- simplified repetition,
- half-quarter repetition,
- half-quarter Breguet repetition,
- five minutes repetition,
- repetition to minutes,
- great ringtone.
Sauf nécessité, ces mécanismes de base ne seront donc pas repris ici en détail, le spécialiste des sonneries saura en retrouver la constitution dans cet ouvrage de référence universel, dans les chapitres cités ci-dessus qui sont incorporés ici par référence.Unless necessary, these basic mechanisms will not be repeated here in detail, the ringtones specialist will find its constitution in this universal reference in the chapters mentioned above which are incorporated here by reference.
Le mouvement 1 qui est partiellement représenté en perspective comprend classiquement une platine P, un barillet engrenant avec un rouage de finissage en prise avec un échappement (non représentés). Le rouage de finissage est également lié à un rouage de minuterie M qui entraine les aiguilles d'heures 3 et de minutes 4 qui se déplacent au centre d'un cadran 5 surmontant le mouvement 1. En l'occurrence le mouvement est circulaire et le cadran n'est pas centré sur le mouvement.The movement 1 which is partially represented in perspective conventionally comprises a plate P, a barrel meshing with a finishing gear in engagement with an escapement (not shown). The finishing train is also linked to a timer wheel M which drives the hour and
Le rouage de minuterie comprend classiquement un mobile de minuterie 6 formé d'une roue de minuterie 6a et d'un pignon de minuterie 6b.The timer train typically comprises a
Le mécanisme de sonnerie 2 comporte une première chaussée 7 comprenant un axe 7a portant à une extrémité supérieure un pignon de première chaussée 8 en prise avec une roue de minuterie 6a. L'axe 7a porte également coaxialement et de manière superposée successivement un limaçon des quarts 9, une surprise 10 et un limaçon des minutes 11 qui coopèrent respectivement avec des organes palpeurs (non représentés) du mécanisme de sonnerie 2. Bien entendu dans une variante de réalisation de l'invention, l'axe 7a peut ne comprendre qu'un limaçon. Dans l'exemple illustré, l'axe 7a de la première chaussée porte également dans sa partie médiane un pignon 12 destiné à venir en prise avec un mécanisme de mise à l'heure classique non représenté. Selon une variante, le pignon 12 pourrait être omis et le mécanisme de mise à l'heure pourrait venir en prise directement avec la minuterie M par exemple avec la roue de minuterie 6a. Le pignon de minuterie 6b est en prise avec une roue des heures 13 dont le canon 13a porte l'aiguille des heures 3. La roue de minuterie 6a est également en prise un pignon 14a d'une deuxième chaussée 4 dont le corps 14b s'étend coaxialement à travers le canon 13a et porte l'aiguille des minutes 4. Le pignon 14a de la deuxième chaussée est en outre en prise avec le rouage de finissage qui assure ainsi l'entrainement de la minuterie M qui entraine ainsi indirectement la première chaussée 7.The
Comme cela ressort des figures, le mobile de minuterie 6 est monté à pivotement sur une bascule 15 autour d'un axe 16 chassé dans une ouverture ménagée, dans l'exemple illustré dans une partie médiane de la bascule 15. La bascule 15 qui présente une forme générale arquée, est fixée à une première 15a de ses extrémités au moyen d'une vis 17 directement vissée dans un pont Po s'étendant au-dessus de la platine P. La bascule présente dans la zone de la première extrémité 15a un col défini par un rétrécissement R formant une partie flexible pouvant fléchir élastiquement et définissant un axe de flexion FL s'étendant perpendiculairement au plan de la bascule 15. La bascule 15 comprend à sa deuxième extrémité 15b opposée à l'extrémité fixe 15a un logement 15c dans lequel se déplace un organe excentrique 18 qui comprend une tête 18a prolongée par un corps cylindrique 18b prolongé à son tour par un téton 18c excentré par rapport au corps cylindrique 18b. La tête 18a est munie sur sa face supérieure d'une fente 18d pour recevoir l'extrémité d'un outil d'actionnement. Le corps 18b est chassé dans une ouverture correspondante de la bascule 15 et le téton 18c s'étend dans une ouverture oblongue 18e prévue dans le pont Po. La bascule peut donc se déplacer en rotation autour de son axe de flexion FL situé au point le plus étroit du rétrécissement R dans un plan sensiblement parallèle au plan du mouvement 1 selon la flèche F lorsque l'organe excentrique 18 est actionné en rotation. La position angulaire de la bascule 15 peut ainsi être ajustée par l'actionnement en rotation de l'organe excentrique 18 par exemple au moyen d'un tournevis de manière à permettre un réglage simultané de la position la roue de minuterie 6a relativement au pignon 8 de la première chaussée 7 et au pignon 14a de la deuxième chaussée 14. La position de réglage est maintenue par le frottement du corps 18b dans l'ouverture de la bascule 15. On notera en outre que l'élasticité du col permet après le réglage de la position de la bascule de rappeler cette dernière et de diminuer par là même le jeu dans le rouage.As is apparent from the figures, the
Plus précisément, la bascule 15 est agencée relativement au pignon 8 de la première chaussée 7 et relativement au pignon 14a de la deuxième chaussée 14de manière qu'un déplacement angulaire de la bascule 15 autour de l'axe de flexion FL entraine un déplacement circulaire de la bascule 15 qui entraine une pénétration des dents de la roue de minuterie 6a sur une profondeur identique dans la denture du pignon 8 de la première chaussée 7 et dans la denture du pignon 14a de la deuxième chaussée 14.More specifically, the
On notera à ce propos qu'un engrenage horloger a typiquement, à l'entraxe nominal, un jeu de denture est de l'ordre de 0.16 x le pas angulaire d'une denture.Note in this connection that a watch gear typically has, at the nominal spacing, a set of teeth is of the order of 0.16 x the angular pitch of a toothing.
Soit par exemple pour un pignon de 20 dents un jeu angulaire de: 360°/20*0.16 soit : 2.68°. Pour une roue engrenant avec deux autres roues ou pignons comme dans le cas de la roue de minuterie du mouvement selon l'invention, le jeu angulaire se cumule, ce qui conduit à un jeu angulaire total de l'ordre 2x 2.68° soit 5,36°. Avec un tel jeu et compte tenu des tolérances de fabrication roues, il est difficile de garantir que la position de l'aiguille des minutes 4 portée par la chaussée 14 en regard de l'échelle des minutes du cadran 5 et le nombre de coups des minutes sonnés donné par le limaçon des minutes 11 porté par la chaussée soit en correspondance. Par conséquent, le mouvement de l'invention et notamment l'arrangement du mobile de minuterie 6 sur la bascule 17 dont la position est ajustable angulairement autour de l'axe de flexion FL permet de faire varier simultanément les entraxes nominaux respectifs entre la roue de minuterie et les première 7 et deuxième 14 chaussées et notamment de diminuer ces entraxes afin d'optimiser le jeu angulaire entre les dentures et permettre un engrenage avec un jeu angulaire assurant, d'une part, une correspondance parfaite entre la position des minutes et l'aiguille des minutes en regard du cadran et, d'autre part, une usure minimale des dentures en jeu.For example, for a pinion with 20 teeth, an angular clearance of: 360 ° / 20 * 0.16 is: 2.68 °. For a wheel meshing with two other wheels or gears as in the case of the movement timer wheel according to the invention, the angular clearance accumulates, which leads to a total angular clearance of the order 2x 2.68 ° or 5.36 °. With such a game and given the manufacturing tolerances of wheels, it is difficult to guarantee that the position of the
En se référant plus particulièrement aux
Aux
Aux
Avantageusement, la denture de la roue de minuterie, qui comporte le plus grand nombre de dents, peut présenter des dents 6c qui comprennent chacune des flancs d'entrainement 6d ayant un segment rectiligne formant un angle au sommet compris entre 2 et 10°afin de faciliter la pénétration de cette denture dans celle des roues en pignons avec lesquelles elle engrène lorsque l'entraxe nominale est réduit par le pivotement de la bascule 15 au moment de l'ajustement de la position du mobile de minuterie 6.Advantageously, the toothing of the timer wheel, which has the largest number of teeth, may have
Claims (10)
caractérisé en ce qu'il comprend en outre une deuxième chaussée (14) munie d'un pignon (14a) de deuxième chaussée, en ce que la deuxième chaussée (14) porte l'aiguille des minutes (4), en ce que le pignon (8) de première chaussée est d'une part en prise avec le rouage de finissage, et d'autre part avec une roue de minuterie (6a), en ce que la roue de minuterie (6a) est en prise avec le pignon (8) de première chaussée en ce que un pignon de minuterie (6b) est en prise avec une roue des heures (13) coaxiale à la deuxième chaussée (14) et en ce que la roue de minuterie (6a) est montée sur une bascule (15) agencée pour pivoter autour d'un point fixe et dont une position angulaire peut être ajustée par pivotement de façon à permettre un réglage de la position de la roue de minuterie (6a) relativement au pignon (8) de la première chaussée et au pignon(14a) de la deuxième chaussée.Mechanical clockwork movement comprising a striking mechanism, said striking mechanism comprising at least a first pavement (7) provided with a pinion (8) of first pavement and on which is mounted coaxially at least one snail (11) intended to cooperate with a feeler member of the striking mechanism, said first pavement (7) being arranged to be driven at least indirectly by the movement finishing train,
characterized in that it further comprises a second roadway (14) provided with a second road gear (14a), in that the second roadway (14) carries the minute hand (4), in that the pinion (8) of first floor is on the one hand engaged with the finishing gear train, and on the other hand with a timer wheel (6a), in that the timer wheel (6a) is engaged with the pinion (8) of the first roadway in that a timer gear (6b) is engaged with an hour wheel (13) coaxial with the second roadway (14) and that the timer wheel (6a) is mounted on an rocker (15) arranged to pivot about a fixed point and whose angular position can be pivotally adjusted so as to allow adjustment of the position of the timer wheel (6a) relative to the pinion (8) of the first carriageway and at the pinion (14a) of the second roadway.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17204727.6A EP3492997B1 (en) | 2017-11-30 | 2017-11-30 | Mechanical timepiece movement comprising a chiming mechanism |
US16/185,515 US11092931B2 (en) | 2017-11-30 | 2018-11-09 | Mechanical watch movement comprising a striking mechanism |
JP2018219966A JP6697054B2 (en) | 2017-11-30 | 2018-11-26 | Mechanical watch movement with striking mechanism |
CN201811450974.4A CN109856947B (en) | 2017-11-30 | 2018-11-30 | Mechanical watch movement comprising a time-telling mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP17204727.6A EP3492997B1 (en) | 2017-11-30 | 2017-11-30 | Mechanical timepiece movement comprising a chiming mechanism |
Publications (2)
Publication Number | Publication Date |
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EP3492997A1 true EP3492997A1 (en) | 2019-06-05 |
EP3492997B1 EP3492997B1 (en) | 2020-08-19 |
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EP17204727.6A Active EP3492997B1 (en) | 2017-11-30 | 2017-11-30 | Mechanical timepiece movement comprising a chiming mechanism |
Country Status (4)
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US (1) | US11092931B2 (en) |
EP (1) | EP3492997B1 (en) |
JP (1) | JP6697054B2 (en) |
CN (1) | CN109856947B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024038199A1 (en) * | 2022-08-18 | 2024-02-22 | Bulgari Horlogerie Sa | Mechanism for a striking timepiece |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111906515A (en) * | 2020-09-01 | 2020-11-10 | 福建德丰智能装备有限公司 | Rotating disc type wheel-separating assembly machine |
CH720028A1 (en) * | 2022-09-12 | 2024-03-28 | Patek Philippe Sa Geneve | WATCH MOVEMENT COMPRISING A DEVICE FOR ADJUSTING THE POSITION OF A DISPLAY ORGAN AND ADJUSTMENT METHOD |
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CH604237B5 (en) * | 1976-05-20 | 1978-08-31 | Dubois & Depraz Sa | |
EP2133758A1 (en) * | 2008-06-12 | 2009-12-16 | Blancpain S.A. | Timepiece with a striking mechanism |
CH703615A2 (en) * | 2010-08-18 | 2012-02-29 | Patek Philippe Sa Geneve | Timepiece i.e. wristwatch, has activation mechanism for activating alarm mechanism, and alarm mechanism controlling striking or repetition mechanism for ringing time indication corresponding to time at previously determined time |
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US567510A (en) * | 1896-09-08 | Watch | ||
US2322257A (en) * | 1940-05-27 | 1943-06-22 | Stuart John Frederick William | Clock |
EP1471396A1 (en) * | 2003-04-25 | 2004-10-27 | Frédéric Crettex | Date indicating mechanism for timepiece |
EP1777598B1 (en) * | 2005-10-21 | 2012-02-15 | Rolex Sa | Timepiece with a mechanism to measure adjustable predetermined times |
EP2159652A1 (en) * | 2008-08-26 | 2010-03-03 | Agenhor SA | Display mechanism for a timepiece used to display or not the current time |
CN102385302A (en) * | 2010-09-03 | 2012-03-21 | 天津海鸥表业集团有限公司 | Tooth space compensation mechanism of timing mechanical device |
EP2498147B1 (en) * | 2011-03-08 | 2016-06-22 | Montres Breguet SA | Ringer block and wake-up alarm drive mechanism for ringing timepiece |
EP2546706B1 (en) * | 2011-07-13 | 2017-02-22 | ETA SA Manufacture Horlogère Suisse | Clockwork including a module provided with a mobile meshing with another mobile pivoting in a base on which the module is mounted |
EP3144743B1 (en) * | 2015-09-15 | 2018-03-14 | ETA SA Manufacture Horlogère Suisse | Clock movement comprising a mechanism for correcting the date |
EP3316048B1 (en) * | 2016-10-28 | 2020-03-18 | Rolex Sa | Clockwork mechanism for displaying and correcting a plurality of information |
-
2017
- 2017-11-30 EP EP17204727.6A patent/EP3492997B1/en active Active
-
2018
- 2018-11-09 US US16/185,515 patent/US11092931B2/en active Active
- 2018-11-26 JP JP2018219966A patent/JP6697054B2/en active Active
- 2018-11-30 CN CN201811450974.4A patent/CN109856947B/en active Active
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CH604237B5 (en) * | 1976-05-20 | 1978-08-31 | Dubois & Depraz Sa | |
EP2133758A1 (en) * | 2008-06-12 | 2009-12-16 | Blancpain S.A. | Timepiece with a striking mechanism |
CH703615A2 (en) * | 2010-08-18 | 2012-02-29 | Patek Philippe Sa Geneve | Timepiece i.e. wristwatch, has activation mechanism for activating alarm mechanism, and alarm mechanism controlling striking or repetition mechanism for ringing time indication corresponding to time at previously determined time |
Non-Patent Citations (1)
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2024038199A1 (en) * | 2022-08-18 | 2024-02-22 | Bulgari Horlogerie Sa | Mechanism for a striking timepiece |
FR3138950A1 (en) * | 2022-08-18 | 2024-02-23 | Bulgari Horlogerie Sa | Mechanism for striking timepiece. |
Also Published As
Publication number | Publication date |
---|---|
EP3492997B1 (en) | 2020-08-19 |
CN109856947B (en) | 2021-02-26 |
US20190163135A1 (en) | 2019-05-30 |
JP6697054B2 (en) | 2020-05-20 |
CN109856947A (en) | 2019-06-07 |
US11092931B2 (en) | 2021-08-17 |
JP2019101033A (en) | 2019-06-24 |
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