EP1434113B1 - Mécanisme de tourbillon et pièce d'horlogerie munie d'un tel mécanisme - Google Patents
Mécanisme de tourbillon et pièce d'horlogerie munie d'un tel mécanisme Download PDFInfo
- Publication number
- EP1434113B1 EP1434113B1 EP20020028888 EP02028888A EP1434113B1 EP 1434113 B1 EP1434113 B1 EP 1434113B1 EP 20020028888 EP20020028888 EP 20020028888 EP 02028888 A EP02028888 A EP 02028888A EP 1434113 B1 EP1434113 B1 EP 1434113B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bridges
- tourbillon
- wheel
- cage
- bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000007246 mechanism Effects 0.000 title claims description 22
- 230000000284 resting effect Effects 0.000 claims 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 208000027534 Emotional disease Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000007787 solid Substances 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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
- G04B17/285—Tourbillons or carrousels
Definitions
- the subject of the present invention is a tourbillon mechanism and a timepiece provided with such a mechanism. More particularly the invention a flying tourbillon mechanism, that is to say, whose rotating cage is mounted cantilever on the axis of a mobile carrier driven by the gear train motor of a watch movement.
- a mounting cantilever tourbillon is particularly advantageous when the vortex mechanism is to be mounted in the movement so as to be visible. In this case indeed vision of the vortex mechanism is not obscured by a bridge or a landing.
- one of the aims of the invention is to provide a whirl mechanism can be integrated into a clockwork movement so as to be visible by the user of the watch.
- Another object of the invention is to provide a particular assembly of bridges forming the rotary cage of the vortex so as to realize and guarantee a high rigidity of the cage and therefore allow and guarantee a high accuracy mounting of the moving parts, rocker arm, anchor and escape wheel vortex mechanism on said cage.
- Another object of the present invention is to guarantee the perfect parallelism and the precise spacing between the axis of rotation of the tourbillon cage, the axis of the mobile exhaust and the axis of the seconds wheel to improve the conditions exhaust pinion with said second road.
- the subject of the present invention is a tourbillon mechanism enabling to achieve the goals stated above and furthermore to obtain an aesthetic peculiar to the fact that seen in plan the three bridges forming the cage of the vortex are exactly the same shapes and sizes.
- the vortex mechanism according to the present invention is distinguished by the features set forth in claim 1.
- the invention also relates to a timepiece incorporating said vortex mechanism according to claim 1.
- the subject of the present invention is a vortex mechanism for a timepiece whose cage is suspended, this type of tourbillon being usually referred to as flying whirlwind.
- this type of tourbillon being usually referred to as flying whirlwind.
- the whirlpool cage being connected to the movement only by one side the other side can be fully visible what is interesting for a timepiece in which the tourbillon is visible, either through the dial or through the bottom of the box.
- the visibility of the tourbillon is not impeded by a bridge or other element of maintaining the vortex cage.
- the cage of this flying tourbillon is made by three bridges, a bridge upper 3, an intermediate bridge 2 and a lower bridge 1 having seen in plan exactly the same shape and the same dimensions so that once assembled if we look at the cage from above or below said bridges are perfectly superimposed on each other.
- These three bridges 1,2,3 are assembled by two pillars each comprising an internally threaded socket 4 and two screws 5,5 '.
- the outer surfaces of sockets 4 are fitted in bores 6,7,8 which each bridges 1,2,3.
- the length of the sockets 4 is less than the thickness of the three bridges superimposed in the immediate vicinity of their bores 6,7,8 so that in position of service assembled the sockets 4 are invisible.
- the screws 5,5 ' are screwed into the ends of the sockets 4 and their heads bear against the bridges upper 3 and lower 1 respectively squeezing the three bridges 1,2,3 one against others. In this way, the positioning of the bridges relative to each other to others is extremely accurate and their assembly is very rigid, their perfect parallelism is also assured.
- the bushing 4 of each pillar has a circular rib 9 on its periphery which facilitates assembly and the assembly of bridges 1,2,3.
- rib 9 of the sockets 4 abuts against the intermediate bridge 2 and with the screw 5 bridges 1 and 2 can be clamped together and secured bushings 4.
- the upper bridge 3 is threaded on the sockets 4 and abuts against the face lower the intermediate bridge 2.
- the screws 5 ' can block this bridge upper 3 against the intermediate bridge 2.
- Tolerances on the cylindrical peripheral surface of the sleeve 4 and on the bores 6,7,8 of the bridges 1,2,3 are calculated and realized so as to get a game-free positioning of the three bridges over each other.
- the axis 10 of the balance 11 is pivoted between the upper bridge 3 and the bridge bottom 1 of the tourbillon cage.
- This axis 10 carries the mobile 12 acting on the anchor 13 which is mounted between the intermediate bridge 2 and the lower bridge 1.
- the mobile exhaust formed by the escape wheel 14 and the pinion 15 is also pivoted between the intermediate bridges 2 and lower 1.
- the escape wheel 14 cooperates with the anchor 13 while the pinion exhaust 15 is engaged with the fixed seconds wheel 16.
- a spiral spring 30 is fixed by one of its ends to the axis 10 of the beam 11 and its other end with a stud 31 and a screw 32 on the upper deck 3 of the tourbillon cage.
- This fixed seconds wheel 16 is fixed, here by screws 17, on the plate 18 of a watch movement, platinum 18 which is secured to the bridge 19 of the clockwork movement.
- the watch movement comprises a mobile carrying the cage of vortex whose axis 20 is pivoted between the bridge 19 and the plate 18 of the movement watchmaking.
- This axis 20 carries the board 21 of the mobile cage carrier which is in taken with a pinion 22 of the drive train of the movement driven by a cylinder or an engine.
- the lower end of the axis 20 of the mobile carrier cage tourbillon has a threaded end 23 and a cylindrical boss 24 coaxial with the axis 20.
- the lower cage 1 of the tourbillon has a fixing foot 25 having a bore whose diameter corresponds to that of the boss 24 of the axis 20 of the carrier.
- the attachment foot 25 of the lower vortex cage is threaded on the end of the axis 20 of the carrier and is adjusted around the boss 24 ensuring exact alignment of the axis of rotation of the cage of the vortex on this axis 20 of the carrier.
- a hollow nut 26 is screwed onto the threaded end of the axis 20 of the carrier and secured to the inside of the foot of 25. This nut 26 has a head bearing against the face bottom of the lower bridge 1 of the cage fixing it rigidly on the mobile carrier 20,21.
- the tourbillon cage is thus secured to the carrier 20.21 whose axis is pivoted in bearings 27, 28 carried one by the bridge 19 of the movement and the other by the fixed seconds wheel 16 which is itself fixed on the plate 18 of the movement. Thanks to this assembly a perfect concentricity of the cage is ensured of whirlwind with fixed seconds wheel and so with the profile of the teeth of this seconds wheel sets which guarantees a perfect meshing between the pinion exhaust 15 and this fixed seconds wheel 16.
- the tourbillon mechanism described comprises a carrier 20.21 of the tourbillon cage pivoted between two bearings 27,28 of which one 28 is fixed in the fixed seconds wheel 16, which allows a perfect coaxiality between the axis of rotation of the cage 1,2,3 of the tourbillon and the profile of the toothing of the fixed wheel of seconds 16.
- the particular attachment of the tourbillon cage by its foot of fixing on the end of the axis of the carrier 20,21 having a thread and a boss 24 of centering with a hollow nut 26 allows alignment perfect between the axis of the carrier 20,21 and the axis of the tourbillon cage.
- the sandwich assembly of the bridges 1,2,3 in support of each against others using two pillars allows a rigorous positioning of bridges to each other and an easy and solid assembly.
- the Sockets 4 of the pillars are invisible.
- the three bridges 1,2,3 having identical shapes, the aesthetics of the flying tourbillon cage is pure and sober.
- the bridges 1,2,3, are connected by two pillars 4 but the number of these pillars could be higher following the shape of the bridges.
- the seconds wheel 16 is secured to the plate 18 of movement, so it is fixed, but in other executions this wheel of seconds could be mobile. What matters here is that one of the 27,28 of the caster train of the tourbillon cage is integral with this wheel seconds 16.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Toys (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
Claims (7)
- Mécanisme de tourbillon volant dont la cage du tourbillon est formée de trois ponts (1,2,3) solidairement maintenus et positionnés par des piliers (4,5,5'), le pont intermédiaire (2) étant pris en sandwich entre les ponts supérieur (3) et inférieur (1); caractérisé par le fait que le pont inférieur (1) comporte un pied de fixation taraudé (25,26) venant se fixer sur l'extrémité (23) de l'axe (20) d'un mobile porteur de cage (20,21) dont l'axe est pivoté entre deux paliers (27,28) dans un mouvement d'horlogerie dont l'un (28) est fixé dans une roue de secondes (16) que comporte le mouvement, cette roue de secondes (16) étant en prise avec un pignon (15) d'un mobile d'échappement (14,15) pivoté entre les ponts intermédiaire et inférieur (1,2) de la cage de tourbillon.
- Mécanisme selon la revendication 1, caractérisé par le fait qu'un balancier (11, 12) et qu'une ancre (13) coopérant avec le balancier et avec la roue d'échappement (14) sont pivotés chacun entre les ponts supérieur (3) et inférieur (1) de la cage de tourbillon.
- Mécanisme selon la revendication 1 ou la revendication 2, caractérisé par le fait que la roue de secondes (16) est fixe, solidaire d'une platine du mouvement.
- Mécanisme selon l'une des revendications précédentes, caractérisé par le fait qu'au droit des piliers (4,5,5') les trois ponts (1,2,3) sont appliqués les uns contre les autres.
- Mécanisme selon la revendication 4, caractérisé par le fait qu'il comporte deux piliers comportant chacun une douille (4) logée dans des alésages pratiqués dans les ponts (1,2,3) et deux vis (5,5') vissées dans un taraudage interne que comporte la douille (4), ces vis prenant appui par leurs têtes sur les ponts supérieur et inférieur (3,1).
- Mécanisme selon la revendication 5, caractérisé par le fait que les douilles (4) comportent une nervure annulaire (9) coopérant avec une portée du pont intermédiaire (2).
- Mécanisme selon l'une des revendications précédentes, caractérisé par le fait que les trois ponts (1,2,3) de la cage de tourbillon présentent vus en plan la même forme et les mêmes dimensions.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20020028888 EP1434113B1 (fr) | 2002-12-23 | 2002-12-23 | Mécanisme de tourbillon et pièce d'horlogerie munie d'un tel mécanisme |
DE2002606790 DE60206790T2 (de) | 2002-12-23 | 2002-12-23 | Tourbillonmechaismus und Uhr mit solchem Mechanismus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20020028888 EP1434113B1 (fr) | 2002-12-23 | 2002-12-23 | Mécanisme de tourbillon et pièce d'horlogerie munie d'un tel mécanisme |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1434113A1 EP1434113A1 (fr) | 2004-06-30 |
EP1434113B1 true EP1434113B1 (fr) | 2005-10-19 |
Family
ID=32405709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20020028888 Expired - Lifetime EP1434113B1 (fr) | 2002-12-23 | 2002-12-23 | Mécanisme de tourbillon et pièce d'horlogerie munie d'un tel mécanisme |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1434113B1 (fr) |
DE (1) | DE60206790T2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113671814B (zh) * | 2021-08-04 | 2022-09-13 | 杭州手表有限公司 | 带有环形条盒轮结构的手表 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH691831A5 (fr) * | 2000-08-10 | 2001-10-31 | Franck Muller Watchland S A | Pièce d'horlogerie à tourbillon. |
-
2002
- 2002-12-23 EP EP20020028888 patent/EP1434113B1/fr not_active Expired - Lifetime
- 2002-12-23 DE DE2002606790 patent/DE60206790T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60206790T2 (de) | 2006-07-20 |
DE60206790D1 (de) | 2005-11-24 |
EP1434113A1 (fr) | 2004-06-30 |
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