CN111158230A - Anti-seismic protection for resonator mechanism with rotating compliant bearing - Google Patents
Anti-seismic protection for resonator mechanism with rotating compliant bearing Download PDFInfo
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- CN111158230A CN111158230A CN201911081303.XA CN201911081303A CN111158230A CN 111158230 A CN111158230 A CN 111158230A CN 201911081303 A CN201911081303 A CN 201911081303A CN 111158230 A CN111158230 A CN 111158230A
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- resonator mechanism
- translation stage
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- 230000007246 mechanism Effects 0.000 title claims abstract description 70
- 238000004873 anchoring Methods 0.000 claims abstract description 30
- 239000000725 suspension Substances 0.000 claims abstract description 27
- 230000033001 locomotion Effects 0.000 claims description 15
- 230000009471 action Effects 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—Oscillators acting by spring tension
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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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—Oscillators acting by spring tension
- G04B17/045—Oscillators acting by spring tension with oscillating blade springs
-
- 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
- G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
- G04B31/02—Shock-damping bearings
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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
- G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
- G04B43/002—Component shock protection arrangements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
The invention relates to a timepiece resonator mechanism (100) comprising a structure (1) carrying an anchoring unit (30) via a flexible suspension system (300), an inertial element (2) being suspended to the anchoring unit (30), the inertial element (2) oscillating in a first degree of rotational freedom RZ about a pivot axis (D) extending in a first direction Z under the action of a restoring force of a flexible pivot (200), the flexible pivot (200) comprising a longitudinal elastic band (3), each band being fixed to the inertial element (2) and to the anchoring unit (30), the flexible suspension system (300) comprising a transverse translation stage (32) with flexible bearings between the anchoring unit (30) and a first intermediate mass (303) fixed directly or indirectly to the structure (1), and comprising a transverse band or transverse flexible shaft that is straight and extends in a second direction X orthogonal to the first direction Z and is symmetrical about a transverse axis (D2) intersecting the pivot axis (D) (320, 1320).
Description
Technical Field
The invention concerns a timepiece resonator mechanism including a structure and an anchoring unit, at least one inertial element being suspended on the anchoring unit, the inertial element being arranged to oscillate in a first degree of freedom of rotation RZ about a pivot axis extending in a first direction Z, said inertial element being subjected to a restoring force exerted by a flexible pivot comprising a plurality of substantially longitudinal elastic bands, each elastic band being fixed at a first end to said anchoring unit and at a second end to said inertial element, each elastic band being capable of deforming substantially in a plane XY perpendicular to said first direction Z.
The invention also relates to a timepiece oscillator including at least one such resonator mechanism.
The invention also relates to a timepiece movement including at least one such oscillator and/or at least one such resonator mechanism.
The invention also relates to a watch comprising such a timepiece movement and/or such an oscillator and/or such a resonator mechanism.
The invention concerns the field of timepiece resonators, and more particularly resonators comprising an elastic band serving as a return means for the operation of the oscillator.
Background
For most timepiece oscillators including at least one balance spring or elastic band forming a flexible bearing, in particular for resonators with crossed bands, the torsional stiffness of the suspension system is a problem. The shock resistance is also dependent on the torsional stiffness; in fact, during the out-of-plane impact, the stresses to which the strip is subjected reach very high values in a short time, which therefore reduces the travel that the part may undergo before yielding. Timepiece dampers come in many variations. However, their function is essentially to protect the fragile spindle pivot, rather than to protect the elastic element, such as a traditional balance spring.
European patent application EP 3054357 a1 in the name of ETA manual horloge surise discloses a timepiece oscillator comprising a structure and different main resonators, which are offset in time and in geometric position, each main resonator comprising a mass returned towards the structure by means of an elastic return device. The oscillator comprises coupling means for the interaction between the primary resonators, the coupling means comprising drive means for driving the wheel sets in motion, the drive means comprising drive and guide means arranged to drive and guide control means hinged to transmission means, each transmission means being hinged to the mass of the primary resonator at a distance from the control means. The primary resonators and the wheel sets are arranged such that the hinge axis of any two primary resonators and the hinge axis of the control device are never coplanar.
European patent application EP 3035127 a1 in the name of swach GROUP reset & DEVELOPMENT Ltd discloses a timepiece oscillator comprising a resonator formed by a tuning fork, the resonator comprising at least two movable oscillating members fixed to a connecting element by means of flexible elements, the geometry of which determines a virtual pivot axis with respect to a determined position of the plate and about which the respective movable member oscillates, the centre of mass of the movable member coinciding with the respective virtual pivot axis in the rest position. For at least one movable part, the flexible element is formed by elastic bands crossing at a distance from each other in two parallel planes, and the elastic bands intersect on said virtual pivot axis of the movable part in a direction projected onto one of the two parallel planes.
According to the swiss patent application CH 01544/16 in the name of ETA Manufacture horloge Suisse and its derivatives, a new mechanism structure makes it possible to maximize the resonator quality factor by using flexible bearings of lever escapements with very small lift angles, the teachings of which can be directly used in the present invention, and whose resonators can further improve their impulse sensitivity in certain specific directions. The problem is therefore to protect the belt from damage upon impact. It is clear that the anti-seismic systems proposed so far for resonators with compliant bearings only protect the belt from impacts in certain directions, but not in all directions, or that they have the disadvantage of having their connection points slightly displaced during the oscillating rotation of the compliant pivot, which should be avoided as much as possible.
The swiss patent application CH 00518/18 or european patent application EP 18168765.8 in the name of ETA manual horloge surise discloses a timepiece resonator mechanism, the timepiece resonator mechanism comprises a structure carrying an anchoring unit by means of a flexible suspension system, on which an inertial element is suspended, the inertial element oscillates in a first rotational degree of freedom RZ under the action of a restoring force exerted by the flexible pivot, the flexible pivot comprising first elastic bands, each fixed to said inertial element and to said anchoring unit, the flexible suspension system being arranged to allow a certain mobility of the anchoring unit in each degree of freedom other than the first rotational degree of freedom RZ, in the first rotational degree of freedom, only the inertial element can move to avoid any damage to its oscillation, and the stiffness of the suspension system in the first rotational degree of freedom RZ is much higher than the stiffness of the flexible pivot in the same rotational degree of freedom RZ.
Disclosure of Invention
The invention proposes to optimize the torsional stiffness of the suspension system, in particular for the resonator mechanism according to patent application CH 00518/18 or EP 18168765.8 in the name of ETA Manufacture horloge Suisse, or for a similar resonator with compliant bearings.
Increasing the torsional stiffness of the suspension system also increases the protection of the belt against breakage during impact. A good rotating resonator with compliant bearings (the compliant bearings form a compliant pivot and define a virtual pivot axis) must be very flexible for oscillatory rotation in the first rotational degree of freedom RZ and very rigid in the other degrees of freedom (X, Y, Z, RX, RY) to avoid unwanted movement of the resonator's center of mass. In fact, if the orientation of the resonator changes in the gravitational field (called "position error"), this unwanted movement can lead to a time-lapse error. The suspension of the pivot connection point in the oscillation degree of freedom must be very rigid to avoid disturbing the isochronism of the resonator and to avoid dissipating energy in motion due to reaction forces.
The present invention proposes to better control the torsional stiffness of the suspension system to limit out-of-plane displacement of the ribbons of the ribbon resonator, thereby ensuring improved system resistance.
To this end, the invention relates to a ribbon resonator mechanism according to claim 1.
The invention also relates to a timepiece oscillator including at least one such resonator mechanism.
The invention also concerns a timepiece movement including at least one such resonator mechanism.
The invention also relates to a watch comprising such a timepiece movement and/or such a resonator mechanism.
Drawings
Other features and advantages of the invention will become apparent upon reading the following detailed description and upon reference to the drawings in which:
fig. 1 shows a schematic perspective view of a resonator mechanism with elastic bands, comprising an inertial mass suspended on an anchoring unit by a flexible pivot comprising two parallel elastic bands extending in a direction that in projection intersects the virtual pivot axis of the inertial element, in accordance with swiss patent application CH 00518/18 in the name of ETA manual Horlog de resusis or european patent application EP 18168765.8, the teachings of which can be used in the present invention; the resonator mechanism is represented in a particular non-limiting configuration, in which it comprises two translation stages arranged to allow a limited degree of freedom of an intermediate mass comprised by the resonator between the anchoring unit and the connection point to the plate; note that each of these translation stages comprises an elongated elastic element, the direction of which is substantially directed towards the pivot axis at the virtual pivot defined by the elastic band; the inertial element here carries an inertial mass in the form of a balance with an inertial adjustment screw, and also a pin or similar type of projecting element arranged to cooperate with an escapement mechanism (not shown), in particular with a pallet, or directly with an escape wheel: the mechanism further comprises an upper stop member and a lower stop member to limit the travel of the inertial mass and protect the compliant bearing band;
fig. 2 shows a schematic perspective view of different degrees of freedom of the inertial mass comprised in the resonator mechanism of fig. 1; the balance is removed to show the flexible bearing with two elastic bands crossing in projection and the two translation stages; the mechanism is represented by a structure in which at least one of the two levels of the elastic band belongs to a single-piece assembly comprising a breakable element, so as to make it easier to place the resonator mechanism in the movement before releasing it by breaking it; more specifically, the two levels may also together form such a unitary assembly.
Figure 3 shows, in a manner similar to figure 2, the same mechanism after the removal of the elements for connection to the fixed structure of the watch.
Fig. 4 shows a detail of fig. 3, in a similar way to fig. 3, showing a transverse translation stage with straight transverse elastic bands on two superimposed and parallel levels.
Fig. 5 shows a similar mechanism in a similar way to fig. 3, but the translation stage comprises a straight flexible shaft with a substantially square cross section.
Figure 6 is a detail of the straight flexible shaft of figure 5, substantially square in cross-section.
Fig. 7 shows a similar mechanism in a similar way to fig. 3, but the translation stage comprises a straight flexible shaft with a substantially circular cross section.
Figure 8 is a detail of the straight flexible shaft of figure 7, substantially circular in cross-section.
Fig. 9 is a block diagram showing a watch comprising a movement including one such resonator mechanism on the one hand and an oscillator mechanism having one such resonator mechanism on the other hand.
Detailed Description
The present invention relates to a timepiece resonator mechanism forming a variant of the resonator disclosed in swiss patent application CH 00518/18 in the name of ETA manual horloge Suisse and european patent application EP 18168765.8, which are incorporated herein by reference, and whose features can be combined with those of the present invention by a person skilled in the art.
The timepiece resonator mechanism 100 includes a structure 1 and an anchoring unit 30, at least one inertial element 2 being suspended on the anchoring unit 30, the inertial element 2 being arranged to oscillate in a first degree of freedom of rotation RZ about a pivot axis D extending in a first direction Z. The inertial element 2 is subjected to a restoring force exerted by a flexible pivot 200, the flexible pivot 200 comprising a plurality of substantially longitudinal elastic bands 3, each elastic band 3 being fixed at a first end to the anchoring unit 30 and at a second end to the inertial element 2. Each elastic band 3 is able to deform substantially in a plane XY perpendicular to the first direction Z.
According to the invention, the anchoring unit 30 is suspended from the structure 1 by means of a flexible suspension system 300, the flexible suspension system 300 being arranged to allow the anchoring unit 30 to move in five degrees of flexibility of the suspension system, these five degrees of freedom being:
a first degree of freedom of translation in a first direction Z,
a second degree of freedom of translation in a second direction X orthogonal to the first direction Z,
a third translational degree of freedom in a third direction Y orthogonal to the second direction X and to the first direction Z,
a second degree of freedom of rotation RX about an axis extending in a second direction X, and
-a third degree of freedom of rotation RY about an axis extending in a third direction Y.
The principle of the invention is to utilize the torsional flexibility of the translation stage to better control the torsional stiffness of the suspension system. To achieve this, the band of the table XY is oriented so that the direction of maximum torsional flexibility is directed towards the axis of rotation of the resonator. The torsional flexibility of the belt is controlled by bringing them close to each other.
Therefore, according to the invention, the flexible suspension system 300 comprises a transverse translation stage 32 with flexible bearings between the anchoring unit 30 and a first intermediate mass 303, the first intermediate mass 303 being fixed directly to the structure 1 or to the structure 1 by means of a plate 301 flexible in the first direction Z, the transverse translation stage 32 comprising a transverse band 320 or a transverse flexible shaft 1320 that is straight and extends in the second direction X and is symmetrical about a transverse axis D2 crosswise to the pivot axis D.
In the particular non-limiting embodiment shown in the figures, the flexible suspension system 300 further comprises a longitudinal translation stage 31 with flexible bearings located between the anchoring unit 30 and the second intermediate mass 305, the longitudinal translation stage 31 comprising a longitudinal strip 301 or a longitudinal flexible shaft 1310 that is straight and extends in the third direction Y and is symmetrical with respect to a longitudinal axis D1 crosswise to the pivot axis D. And, between the second intermediate mass 305 and the first intermediate mass 303, the transverse translation stage with flexible bearings 32 comprises a transverse belt 320 or a transverse flexible shaft 1320 that is straight and extends in the second direction X and is symmetrical with respect to a transverse axis D2 crosswise to the pivot axis D.
More specifically, the longitudinal axis D1 intersects the transverse axis D2, and in particular the longitudinal axis D1, the transverse axis D2 and the pivot axis D intersect.
More specifically, longitudinal translation stage 31 and transverse translation stage 32 each comprise at least two flexible belts or shafts, each characterized by: its thickness in the second direction X or, conversely, its height in the first direction Z when the strip or shaft extends in the third direction Y, and its length in the direction in which the strip or shaft extends, this length being at least five times greater than this height, this height being at least as great as this thickness, more particularly this height being at least five times greater than said thickness, and even more particularly this height being at least seven times greater than said thickness.
More specifically, the lateral translation stage 32 comprises at least two laterally flexible bands or shafts, which are parallel to each other and of the same length. Fig. 1 to 4 show a non-limiting variant with four parallel transverse bands, more specifically each band being formed by two half-bands arranged on two superimposed levels and extending in extension of each other in a first direction Z. These half-bands may be completely free of each other, or attached by adhesive bonding or the like, or in the case of silicon embodiments by silicon dioxide growth or the like. Naturally, the longitudinal translation stages 31 (when there is one, as it is optional) can follow the same design principles. Fig. 5 to 8 show a variant with a flexible shaft divided into two axes of two levels, the cross section of the flexible shaft being substantially square in fig. 5 and 6 or substantially circular in fig. 7 and 8. The number, arrangement and cross-section of these bands or shafts may vary without departing from the invention.
More specifically, the transverse belt or shaft of the transverse translation stage 32 has a first plane of symmetry parallel to the transverse axis D2 and passing through the pivot axis D.
More specifically, the transverse belt or shaft of the transverse translation stage 32 has a second plane of symmetry parallel to the transverse axis D2 and orthogonal to the pivot axis D.
More specifically, the transverse belt or shaft of the transverse translation stage 32 has a third plane of symmetry perpendicular to the transverse axis D2 and parallel to the pivot axis D.
More specifically, the transverse belt or shaft of the transverse translation stage 32 extends on at least two parallel levels, each level being perpendicular to the pivot axis D.
More specifically, the arrangement of the transverse bands or axes of the transverse translation stage 32 is the same at each level.
More specifically, the straight transverse band or flexible shaft 320, 1320 is a flat band whose height is at least five times its thickness.
More specifically, the straight transverse bands or flexible shafts 320, 1320 are square or circular cross-section shafts having a height equal to their thickness.
More specifically, the longitudinal translation stage 31 comprises at least two longitudinal flexible bands or shafts, parallel to each other and of the same length.
More specifically, the longitudinal belt or shaft of the longitudinal translation stage 31 has a first plane of symmetry parallel to the longitudinal axis D1 and passing through the pivot axis D.
More specifically, the longitudinal belt or shaft of the longitudinal translation stage 31 has a second plane of symmetry parallel to the longitudinal axis D1 and orthogonal to the pivot axis D.
More specifically, the longitudinal belt or shaft of the longitudinal translation stage 31 has a third plane of symmetry perpendicular to the longitudinal axis D1 and parallel to the pivot axis D.
More specifically, the transverse bands or axes of the longitudinal translation stage 31 extend on at least two parallel levels, each level being perpendicular to the pivot axis D.
More specifically, the arrangement of the transverse bands or axes of the longitudinal translation stage 31 is the same on each level.
More specifically, the longitudinal strips or straight flexible shafts 310, 1310 are flat strips whose height is at least five times its thickness.
More specifically, the longitudinal or straight flexible bands 310, 1310 are square or circular cross-section shafts with a height equal to their thickness.
In particular, the resonator mechanism 100 comprises axial stop means comprising at least a first axial stop 7 and a second axial stop 8 for limiting the translation travel of the inertial element 2 at least in the first direction Z, the axial stop means being arranged in abutting engagement with the inertial element 2 for protecting the longitudinal strip 3 at least from axial impacts in the first direction Z, and the second plane of symmetry being substantially equidistant from the first axial stop 7 and the second axial stop 8.
In a particular variant, the resonator mechanism 100 comprises a plate 301, the plate 301 comprising at least one flexible strip 302 extending in a plane perpendicular to the pivot axis D and fixed to the structure 1 and to the first intermediate mass 303, and the flexible strip 302 being arranged to allow the first intermediate mass 303 to move in the first direction Z. More specifically, plate 301 includes at least two coplanar flexible strips 302. However, the plate 301 is optional if the height of the strips of translation stages XY is less than the height of the flexible strip 3, in particular less than one third of the height of the flexible strip 3, and in particular if these translation stages comprise flexible shafts 1310 or 1320 as shown in fig. 5 to 8.
In an advantageous embodiment, the resonator mechanism 100 comprises a one-piece assembly containing at least the anchoring unit 30, the base of the at least one inertial element 2, the flexible pivot 200, the flexible suspension system 300, the first intermediate mass 303 and the lateral translation stage 32, and comprising at least one breakable element 319, the breakable element 319 being arranged to fix the parts of the one-piece assembly to each other during the assembly of the one-piece assembly on the structure 1, and the breaking of the breakable element releasing all the movable parts of the one-piece assembly.
More specifically, the integral assembly further comprises at least a second intermediate mass 305 and a longitudinal translation stage 31.
As mentioned above, the technique used for the manufacturing process allows to obtain two distinct strips at the height of the silicon wafer, which increases the torsional flexibility of the table without making it more flexible in translation. The resonator mechanism 100 may therefore advantageously comprise at least two substantially superposed integral assemblies, each containing an anchoring unit 30 on one level and/or the base of at least one inertial element 2 and/or the flexible pivot 200 and/or the flexible suspension system 300 and/or the first intermediate mass 303 and/or the lateral translation stage 32 and/or the breakable element 319; each basic unitary component may be assembled to at least one other basic unitary component by adhesive bonding or the like, by mechanical assembly, or in the case of silicon embodiments, by silicon dioxide growth or the like.
More specifically, the basic integrated assembly also comprises at least one level of second intermediate masses 305 and/or longitudinal translation stages 31.
The invention also relates to a timepiece oscillator mechanism 500 comprising such a timepiece resonator mechanism 100 and an escapement mechanism 400 arranged to cooperate with each other.
The invention also relates to a timepiece movement 1000 comprising at least one such oscillator mechanism 500 and/or at least one such resonator mechanism 100.
The invention also relates to a watch 2000 comprising at least one such movement 1000 and/or at least one oscillator 500 and/or at least one such resonator mechanism 100.
Claims (21)
1. A timepiece resonator mechanism (100) comprising a structure (1) and an anchoring unit (30) to which at least one inertial element (2) is suspended, the inertial element (2) being arranged to oscillate in a first rotational degree of freedom RZ about a pivot axis (D) extending in a first direction Z, the inertial element (2) being subjected to a restoring force exerted by a flexible pivot (200), the flexible pivot (200) comprising a plurality of substantially longitudinal elastic bands (3), each elastic band being fixed at a first end to the anchoring unit (30) and at a second end to the inertial element (2), each elastic band (3) being deformable in a plane XY perpendicular to the first direction Z, characterized in that the anchoring unit (30) is suspended to the structure (1) by a flexible suspension system (300), the flexible suspension system (300) being arranged to allow the anchoring unit (30) to oscillate in the flexible suspension system (300) The five flexible degrees of freedom are: -a first translational degree of freedom in said first direction Z, -a second translational degree of freedom in a second direction X orthogonal to said first direction Z, -a third translational degree of freedom in a third direction Y orthogonal to said second direction X and said first direction Z, -a second rotational degree of freedom RX around an axis extending in said second direction X, and-a third rotational degree of freedom RY around an axis extending in said third direction Y, wherein said flexible suspension system (300) comprises a transverse translation stage (32) with flexible bearings between said anchoring unit (30) and a first intermediate mass (303), said first intermediate mass (303) being fixed to said structure (1) directly or by means of a plate (301) being flexible in said first direction Z, -said transverse translation stage (32) comprising a transverse flexible band or shaft (320, 1320) said transverse flexible band or shaft (320, 1320) being straight and extending in said second direction X and being symmetrical about a transverse axis (D2) crosswise to said pivot axis (D).
2. The timepiece resonator mechanism (100) according to claim 1, wherein the flexible suspension system (300) comprises a longitudinal translation stage (31) with a flexible bearing between the anchoring unit (30) and the second intermediate mass (305), the longitudinal translation stage (31) comprising a longitudinal flexible band or shaft (310, 1310), the longitudinal flexible band or shaft (310, 1310) being straight and extending in the third direction Y and being symmetrical about a longitudinal axis (D1) crosswise to the pivot axis (D), the flexible suspension system (300) further comprising the transverse translation stage (32) between the second intermediate mass (305) and the first intermediate mass (303).
3. The timepiece resonator mechanism (100) according to claim 2, characterized in that the longitudinal axis (D1) intersects the transverse axis (D2).
4. The timepiece resonator mechanism (100) according to claim 2, characterized in that the longitudinal translation stage (31) and the transverse translation stage (32) each comprise at least two of said bands or axes, each of said bands or axes being characterized in that: a thickness of the belt or shaft in the second direction X when the belt or shaft extends in the third direction Y or a thickness of the belt or shaft in the third direction Y when the belt or shaft extends in the second direction X, a height of the belt or shaft in the first direction Z and a length of the belt or shaft in a direction in which the belt or shaft extends, the length being at least five times the height and the height being at least as large as the thickness.
5. The timepiece resonator mechanism (100) according to claim 1, characterised in that the transverse translation stage (32) comprises at least two transverse flexible bands or axes parallel to each other and of the same length.
6. The timepiece resonator mechanism (100) according to claim 1, characterized in that the transverse flexible band or shaft of the transverse translation stage (32) has a first plane of symmetry parallel to the transverse axis (D2) and passing through the pivot axis (D), and/or a second plane of symmetry parallel to the transverse axis (D2) and orthogonal to the pivot axis (D), and/or a third plane of symmetry perpendicular to the transverse axis (D2) and parallel to the pivot axis (D).
7. The timepiece resonator mechanism (100) according to claim 1, characterized in that the transverse flexible band or shaft of the transverse translation stage (32) extends on at least two parallel levels, each of which is perpendicular to the pivot axis (D).
8. The timepiece resonator mechanism (100) according to claim 7, characterized in that the arrangement of the transverse flexible bands or axes of the transverse translation stage (32) is identical on each of the levels.
9. The timepiece resonator mechanism (100) according to claim 1, characterized in that the transverse strip or the straight flexible shaft (320, 1320) is a flat strip having a height of at least five times the thickness or a shaft of square or circular cross section having a height equal to the thickness.
10. The timepiece resonator mechanism (100) according to claim 2, characterised in that the longitudinal translation stage (31) comprises at least two longitudinal flexible bands or axes parallel to each other and of the same length.
11. The timepiece resonator mechanism (100) according to claim 2, characterized in that the longitudinal flexible band or shaft of the longitudinal translation stage (31) has a first plane of symmetry parallel to the longitudinal axis (D1) and passing through the pivot axis (D), and/or a second plane of symmetry parallel to the longitudinal axis (D1) and orthogonal to the pivot axis (D), and/or a third plane of symmetry perpendicular to the longitudinal axis (D1) and parallel to the pivot axis (D).
12. The timepiece resonator mechanism (100) according to claim 2, characterized in that the longitudinal flexible strip or shaft of the longitudinal translation stage (31) extends on at least two parallel levels, each of which is perpendicular to the pivot axis (D).
13. The timepiece resonator mechanism (100) according to claim 12, characterized in that the arrangement of the longitudinal flexible strips or axes of the longitudinal translation stage (31) is identical on each of the levels.
14. The timepiece resonator mechanism (100) according to claim 2, characterized in that the longitudinal strip or the straight flexible shaft (310, 1310) is a flat strip having a height of at least five times the thickness or a shaft of square or circular cross section having a height equal to the thickness.
15. The timepiece resonator mechanism (100) according to claim 1, characterized in that the timepiece resonator mechanism (100) comprises an axial stop device comprising at least a first axial stop (7) and a second axial stop (8) to limit the translational travel of the inertial element (2) at least in the first direction Z, the axial stop device being arranged in abutting engagement with the inertial element (2) for protecting the elastic band (3) at least from axial impacts in the first direction Z, and the second plane of symmetry being substantially equidistant from the first axial stop (7) and the second axial stop (8).
16. The timepiece resonator mechanism (100) according to claim 1, characterized in that the timepiece resonator mechanism (100) comprises a plate (301), the plate (301) comprising at least one flexible strip (302) or a plurality of coplanar flexible strips extending in a plane perpendicular to the pivot axis (D), the plate (301) being fixed to the structure (1) and to the first intermediate mass (303) and being arranged so as to allow movement of the first intermediate mass (303) in the first direction Z.
17. The timepiece resonator mechanism (100) according to claim 1, characterized in that the timepiece resonator mechanism (100) comprises a one-piece assembly containing at least the anchoring unit (30), the base of the at least one inertial element (2), the flexible pivot (200), the flexible suspension system (300), the first intermediate mass (303) and the lateral translation stage (32), and in that the one-piece assembly comprises at least one breakable element (319), which breakable element (319) is arranged to fix the parts of the one-piece assembly to each other during assembly of the one-piece assembly to the structure (1), and in that the breaking of the breakable element releases all the movable parts of the one-piece assembly.
18. The timepiece resonator mechanism (100) according to claim 2, characterized in that the timepiece resonator mechanism (100) comprises a one-piece assembly, the integrated assembly comprising at least the anchoring unit (30), the base of the at least one inertial element (2), the flexible pivot (200), the flexible suspension system (300), the first intermediate mass (303) and the transverse translation stage (32), and at least one breakable element (319), arranged to fix the parts of the one-piece assembly to each other during assembly of the one-piece assembly to the structure (1), and the breaking of the breakable element releases all the movable parts of the unitary assembly, and the unitary assembly further comprises at least the second intermediate mass (305) and the longitudinal translation stage (31).
19. The timepiece resonator mechanism (100) according to claim 1, characterised in that the timepiece resonator mechanism (100) comprises at least two superposed basic one-piece components, each one containing one level of the anchoring unit (30), and/or the base of the at least one inertial element (2), and/or the flexible pivot (200), and/or the flexible suspension system (300), and/or the first intermediate mass (303), and/or the lateral translation stage (32) and/or breakable elements (319).
20. A timepiece movement (1000) comprising at least one timepiece resonator mechanism (100) according to claim 1, and/or at least one timepiece oscillator mechanism (500), the timepiece oscillator mechanism (500) comprising an escapement mechanism (400) and a timepiece resonator mechanism (100) according to any one of claims 1 to 19, arranged to cooperate with each other.
21. Watch (2000) comprising at least one timepiece movement (1000) according to claim 20 and/or at least one timepiece resonator mechanism (100) according to claim 1.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18168765.8A EP3561609B1 (en) | 2018-04-23 | 2018-04-23 | Shock protection of a resonator mechanism with rotatable flexible guiding |
| EP18185138.7A EP3438762A3 (en) | 2017-07-28 | 2018-07-24 | Timepiece oscillator having flexible guides with wide angular travel |
| EP18205260.5 | 2018-11-08 | ||
| EP18205260.5A EP3561607B1 (en) | 2018-04-23 | 2018-11-08 | Collision protection of a resonator mechanism with rotatable flexible guiding |
Publications (2)
| Publication Number | Publication Date |
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| CN111158230A true CN111158230A (en) | 2020-05-15 |
| CN111158230B CN111158230B (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911081303.XA Active CN111158230B (en) | 2018-04-23 | 2019-11-07 | Anti-seismic protection for resonator mechanism with rotating compliant bearing |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3561607B1 (en) |
| CN (1) | CN111158230B (en) |
Cited By (3)
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| CN114200811A (en) * | 2020-09-18 | 2022-03-18 | 伊塔瑞士钟表制造股份有限公司 | Shock protection with stop for resonator mechanism with rotating flexible guide |
| CN114428447A (en) * | 2020-10-29 | 2022-05-03 | 斯沃奇集团研究及开发有限公司 | Flexible guide with translation table for a rotary resonator mechanism, in particular for a timepiece movement |
| CN114624982A (en) * | 2020-12-14 | 2022-06-14 | 斯沃奇集团研究及开发有限公司 | Timepiece resonator mechanism provided with a translation stage |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4141580A1 (en) * | 2021-08-27 | 2023-03-01 | The Swatch Group Research and Development Ltd | Timepiece resonator mechanism provided with a means for stopping the inertial element |
| EP4191346B1 (en) | 2021-12-06 | 2024-06-26 | The Swatch Group Research and Development Ltd | Shock protection of a resonator mechanism with rotatable flexible guiding |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3561607A1 (en) | 2019-10-30 |
| CN111158230B (en) | 2021-08-06 |
| EP3561607B1 (en) | 2022-03-16 |
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