EP3499318A1 - Schwingsystem für armbanduhr - Google Patents

Schwingsystem für armbanduhr Download PDF

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Publication number
EP3499318A1
EP3499318A1 EP19152279.6A EP19152279A EP3499318A1 EP 3499318 A1 EP3499318 A1 EP 3499318A1 EP 19152279 A EP19152279 A EP 19152279A EP 3499318 A1 EP3499318 A1 EP 3499318A1
Authority
EP
European Patent Office
Prior art keywords
oscillating system
balance
wings
bent
bore
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19152279.6A
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English (en)
French (fr)
Other versions
EP3499318B1 (de
Inventor
Karsten Fraessdorf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novasort SA
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Novasort SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP3499318A1 publication Critical patent/EP3499318A1/de
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Publication of EP3499318B1 publication Critical patent/EP3499318B1/de
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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
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G04B17/063—Balance construction
    • 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
    • G04B17/22—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature
    • G04B17/222—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature with balances
    • 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
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance
    • 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
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks

Definitions

  • the invention relates to an oscillating system for watch movements and a watch movement.
  • Oscillating systems for mechanical watch movements typically comprise a rocker, said balance typically having a balance rod.
  • Pendulums are usually manufactured as follows: The balance serge is first made as a turned piece in a cap. A bore is then formed in the center of the turned part. This is then typically used for centering, e.g. ex. to be able to cut out rays. It goes without saying that this centering has a certain clearance, so that the spokes are not perfectly centered, an imbalance is thus generated in the pendulum.
  • the cap typically deforms slightly during the separation of the rod (which is typically in the form of a raw material rod having a diameter of 14 mm and a length of 3 m, e.g. made of undercut produced by the constraints of material which are exerted for different thicknesses.
  • the balance serge must be made at least partly by turning causes a certain balance imbalance due to manufacture.
  • Oscillating systems for mechanical watches typically further comprise a hairspring.
  • the spirals required are typically made from a rod most often drawn.
  • the diameter of an initial material is in this case reduced from about 30 cm to about 6 mm, and then brought to the required mass, often to a thickness of 0.03 to 0.04 mm only (with a manufacturing tolerance 1/1000 mm) for a height of 0.10 to 0.20 mm, before the characteristic spiral shape is given after heat treatment and cut to the required length by means of a tool winding several of these bands in a drum.
  • the hairspring is thermally stabilized while still in the drum. Very satisfactory homogeneities can be obtained for the batch of production using modern methods of manufacture, however the distribution of efforts vary from one spiral to the other, to which it must be added that the batches are as such very different from each other, so that too great inequalities are presented from one batch to another.
  • balance balancing After balance balancing, the latter being required because of the aforementioned imbalance due to manufacturing conditions, the balance is usually placed on a special machine, which measures the mass inertia of the balance after a meticulous adjustment and automatically defines the class to attribute to the pendulum.
  • the hairspring to be used is cut in the middle, in order to remove a hook typically formed in the winding, it is put in place and compressed on a so-called hairspring roll.
  • the hairspring is then often slightly off-center depending on the type of execution, which has a negative impact on the running of the watch.
  • the hairspring is then placed on a special machine which again compares the balance of efforts of the hairspring to a fixed value to decide the class attributable to it.
  • a so-called double roll is still typically tightened in a complementary manner with a cone on the balance.
  • a small ruby is usually clamped in this double roll to reduce the friction and hardness of the material, said ellipse, which is in principle cylindrical, but has a surface on one side. It goes without saying that its implementation is not a problem-free operation, any more than the tightening of the double roll.
  • the force exerted by the gear of the mechanical watch movement is typically transmitted to the balance by means of said escapement.
  • the force is in particular typically transmitted by means of two rubies of the last wheel of the wheel, the so-called exhaust wheel, to the balance wheel by through an ellipse.
  • the exhaust is typically made of steel, to obtain the required hardness, and is therefore relatively heavy. Fixing the rubies, said pallets, is also typically problematic, the positioning and especially the isogonality being particularly delicate. In addition, the geometry of the pallets is limited for manufacturing reasons.
  • the invention aims to overcome or limit the state of the art mentioned above.
  • the invention aims in particular to provide an oscillating system for a mechanical watch movement, simple construction, easy and economical manufacturing, while ensuring operation as accurate as possible mechanical watch movement.
  • the invention is based on the observation that the presence of a balance rod particularly complicates the manufacturing process of the oscillating system, inter alia because material stresses are formed during manufacturing steps required, especially during filming, which generate imbalances in the pendulum. These imbalances must then be offset relatively costly.
  • the invention solves this problem in principle by dispensing with the balance serge, which, although being a component of the watchmaking tradition, makes the manufacture of oscillating systems more delicate.
  • the balance is substantially band-shaped or substantially cruciform.
  • the use of the terms platinum, platinum support, balance board or pendulum is here indifferent, but for the sake of simplicity, we prefer to use the word pendulum.
  • Such shapes for the balance have the advantage - unlike a conventional balancing beam balance - to allow easy manufacturing, especially with low stress generating methods.
  • a very large number of manufacturing processes are in principle suitable for the manufacture of the pendulum, with the exception of turning.
  • the balance is preferably manufactured by cutting and / or laser cutting and / or cutting with water jet and / or LIGA machining, and / or by additive manufacturing or by growth or by means of a combination of these techniques.
  • the balance can be produced by any method suitable for machining wafers.
  • the balance has a central portion and at least two first wings.
  • the first wings are typically arranged around the central portion being spaced 180 °, in other words are exactly opposite on either side of the central portion.
  • the central portion has an axis bore and each of the first wings has a fixing bore for attaching a respective member of the at least two mass members.
  • the fixing bores are in this case advantageously formed at the ends of the wings, in other words on the sides of the wings remote from the central part.
  • Such a structure of the balance has the advantage of being particularly simple while being effective, since the use of two mass elements of the same batch of manufacture makes it very easy to obtain an adjustment of the oscillating system to the spiral used or to the class of it. It is particularly advantageous that each of the first two wings has a longitudinal slot.
  • Such longitudinal slots make it possible to achieve, in a particularly simple manner, material savings at the level of the first wings, the mass of these being reduced in the area of the longitudinal slots. Such mass reductions have an advantageous impact on the operation of the oscillating system, stabilizing the oscillation behavior.
  • said longitudinal slots improve the torsional rigidity of the plate.
  • the oscillating system comprises a fixing element for fixing the spiral on the plate.
  • a fixing element for fixing the spiral on the plate.
  • the fastening element is in the form of a pin, the balance, in particularly the central portion, preferably comprising a pin sleeve for housing the fastener.
  • This configuration has the advantage of allowing particularly easy manufacture and assembly.
  • the pin is preferably brazed to the hairspring and fitted into the pin socket.
  • the pin sleeve is preferably emergent and preferably made as a bore. The pin sleeve can also be simply replaced by an opening in the balance, arranged to receive the pin.
  • the oscillating system comprises a lever element.
  • a lever element has the advantage of allowing a particularly easy connection to the exhaust of the mechanical watch movement.
  • An alternative to the lever element may be a corresponding configuration of the exhaust and / or a double roll.
  • the lever element is designed as an impulse pin, in particular as a lever ellipse, and very advantageously as a partial lever ellipse cylinder, the plate, in particular the central portion, comprising preferably a lever sleeve for housing the lever element or more simply an opening arranged to receive the lever.
  • the impulse pin is preferably press-fitted in the lever sleeve.
  • the lever sleeve is preferably made in an emergent manner, in other words it passes through the plate over its entire thickness.
  • Such an arrangement of the pulse pin and the lever sleeve has the advantage of ensuring a horizontality between the lever element and the exhaust in a particularly simple manner.
  • the axis comprises a single roller, which is preferably designed to function as an integrated safety roller and / or to limit a movement of a safety blade.
  • a configuration of the axis has the advantage of considerably simplifying the construction of the oscillating system relative to a conventional balance, since no double roll is required.
  • the axis has a first segment, a second segment, a third segment and two bearing segments, each of the bearing segments preferably having a first partial bearing segment and a second partial bearing segment.
  • Such a configuration of the axis is particularly advantageous, since it facilitates manufacture and minimizes manufacturing tolerances.
  • the play at height and has less impact on manufacturing tolerances since the removal of the double roll only one dimension has to be respected. The removal of the double roll further minimizes the risk of deformation of the material.
  • the single roller has a recess, in particular a lateral recess, shaped to function as an integrated safety roller and / or to limit the movement of a safety blade of the mechanical watch movement.
  • This recess is preferably made in the form of an elliptical arc. The presence of such a simple roll is advantageous since it simplifies the construction of the oscillating system.
  • the hairspring has a concentric portion and an Archimedes screw portion, the concentric portion being comprised at least part inside the Archimedean screw part. This is advantageous in that a satisfactory centering of the hairspring is thus obtained in a simple manner, which contributes to minimizing the errors of equilibrium.
  • the balance has at least two second wings.
  • the second wings are preferably arranged around the central portion alternately with the first wings, in particular with an angular spacing of 90 °, so as to form a substantially cruciform rocker.
  • the presence of two second wings in addition to the first two wings has the advantage of allowing additional adjustment possibilities for the oscillating system. This is particularly advantageous if no racket is provided in the oscillating system.
  • each of the second wings comprises a bent element, each bent element preferably having a bent bore for the housing of a set screw.
  • This has the advantage of allowing simple additional adjustment possibilities for the oscillating system. It is particularly advantageous that two bent bores are provided in each bent element, so that two adjusting screws can be tightened in each bent element, in particular a large adjusting screw and a small adjusting screw.
  • the presence of two adjustment screws has the advantage of allowing the compensation of more important class differences than if a single adjustment screw was presented by bent element.
  • the use of standard spirals of relatively simple construction will thus also be made possible, and / or manufacturing tolerances may be less restrictive for the hairspring used.
  • the bent element can be made by folding or with a square, which allows an easy realization at a controlled cost.
  • each bent element has a slot provided to cooperate with the bent bore to allow secure tightening of the adjusting screw in the bent bore.
  • Each bent element advantageously comprises two adjusting screws, two bent bores and two slots. It is particularly advantageous that one of the adjusting screws of each bent element is longer than the other, the large adjusting screw being advantageously made as a ground screw and the small adjusting screw being advantageously formed as a set screw. It is particularly advantageous that the large adjusting screw is at least partially gold and / or that the small adjusting screw is at least partially copper or copper alloy, in particular CuBe.
  • the bent element has a 90 ° angle. This makes it possible to provide an oscillating system with great ease of implementation and simplified design.
  • the angled element has an angle of 45 °, which allows an improvement in the accessibility of the adjusting screw, during the balancing of the assembly, particularly if a retouch adjustment is necessary .
  • the hairspring is non-metallic, which makes it possible to get rid of magnetism on a piece sensitive to its effects.
  • a watch movement according to the invention comprises an oscillating system according to the invention. It is advantageous for an escapement of the watch movement and / or an escape wheel of the watch movement to be made in ruby. This has a positive impact on the mass of the mechanical watch movement and the friction conditions presented therein.
  • This method of oscillation frequency adjustment of an oscillating system starts with the selection of a hairspring rather than the selection of a pendulum, which allows for a more flexible method of use, because a hairspring is not easy to modify while it is easier to change the pendulum and / or select other mass elements. This thus overcomes a prejudice of the skilled person who has the habit of having a large stock of components, and begin with the selection of a pendulum.
  • the selection will focus on a non-metallic hairspring, which preserves the hairspring of the ambient magnetism during operation.
  • the choice of a non-metallic hairspring makes it even more advantageous to select first because of the increased difficulty of the modification.
  • At least one of the two mass elements is a set screw
  • the method further comprises a step of adjusting the adjusting screw to adjust the balance of the oscillating system, which brings a great deal of flexibility and ease of implementation of the oscillation frequency adjustment method, in order to obtain the desired oscillation frequency.
  • the oscillating system comprises only two mass elements, it is preferable to choose either two identical mass elements or two adjustment screws, in order to preserve the balance of the assembly.
  • the Fig. 1 illustrates a first embodiment of an oscillating system S according to the invention for a mechanical watch movement in exploded view.
  • the balance 1 represented in Fig. 1 has a central portion 7 and two first wings 8 (for better readability, only one of the first two wings 8, in this case the right wing for the observer, is provided with a reference sign in Fig. 1 ).
  • the rocker 1 is substantially band-shaped, light rounded being presented only in the region of the central portion 7 and respective ends of the first two wings 8, said rounded at least partially preventing the formation of burrs.
  • the rocker 1 comprises in the region of its central portion 7 a shaft bore 9 which is at the geometric center of the balance 1, and a pin sleeve 11 and a lever sleeve 12.
  • Each of the first two wings 8 of the 1 further comprises a fixing bore 10 (for better readability, only one of the two fixing holes 10, in this case the left bore for the observer, is provided with a reference sign in FIG. Fig. 1 ) and a longitudinal slot 25 (a reference sign is again attributed to only one of the two slots).
  • the oscillating system S further comprises an axis 6, on which the rocker 1 can be fixed, in particular placed and / or press-fitted.
  • the oscillating system S further comprises a hairspring 3.
  • the hairspring 3 has a concentric inner portion 3a, which concentrically extends about the axis 6 when the oscillating system S is mounted, and an Archimedean screw portion 3b.
  • a fastening element 4 in particular a pin, is applied inside the spiral 3, in particular being brazed.
  • This fixing element 4 is itself press fit into the pin bushing 11, which makes the connection of the spring 3 to the plate 1.
  • the spring 3 can also be attached to the balance 1 by means of a ferrule connected to the axis 6.
  • the fastening element 4 can also be a screw.
  • the oscillating system S further comprises two mass elements 2. Each of these mass elements 2 is engaged in a respective bore of the two fastening bores 10 to connect the mass elements 2 to the balance 1. For this purpose, each element of 2 comprises a fixing pin 26. The fixing pins are however not visible in Fig. 1 , since they are arranged on the underside of the mass elements 2. Mass elements 2 of different size and weight are used to optimally adapt each oscillating system S to the spring effect of the spiral 3 implemented.
  • the Fig. 2 represents a perspective view of an axis 6 according to the invention.
  • the axis 6 comprises a single roller 13, a first segment 14, a second segment 15 and a third segment 16.
  • the first segment 14 is contiguous to the single roller 13 and of all the segments, it is the one which has the largest diameter.
  • the diameter of the second segment 15 is smaller than that of the first segment 14 but greater than that of the third segment 16, which is contiguous with the second segment 15.
  • the first segment 14 and the second segment 15 are of substantially equal length, and the third segment 16 is substantially twice as long as the first segment 14 and / or the second segment 15.
  • the axis 6 further has a bearing segment at both ends. Each of the two bearing segments comprises a first partial bearing segment 17 and a second partial bearing segment 18. From the bearing portion located below of the single roll 13, only the second partial bearing segment 18 is visible to the observer. The second partial bearing segment 18 is longer than the first partial bearing segment 17, but is of smaller diameter than this.
  • the axis 6 passes into the axis bore 9, the balance 1 resting on the first segment 14, the second segment 15 being at least partly in the axis bore 9 and the third segment 16 protruding from the plate 1 (see Fig. 4 ).
  • the single roller 13 has a recess 19 which allows the single roller 13 to function as an integrated safety roller and / or to limit the movement of a safety blade of the mechanical watch movement.
  • the roller 13 can also serve as a support for the balance 1.
  • the Fig. 3 represents a perspective view of a mass element 2 according to the invention and the attachment thereof to a plate 1 according to the invention. Only the fixing pin 26 is visible on the underside of the mass element 2, which is intended to engage in the fixing bore 10 of the plate 1 shown in a fragmentary manner in FIG. Fig. 3 .
  • the Fig. 4 is a side view of the first embodiment of an oscillating system S according to the invention in final assembly state. For better readability, not all components are provided with a reference sign in Fig. 4 .
  • the two mass elements 2 are press-fitted into the plate 1.
  • the axis 6 passes through the rocker 1 at its center (as previously described for the Fig. 2 ).
  • the lever element 5 is press-fitted in the rocker arm 1 from the bottom.
  • the fastening element 4 is press-fitted into the rocker arm 1 from the top.
  • the hairspring 3 is fixed on the fastening element 4.
  • the pre-mounted oscillating system S has several advantages. It is possible, on the one hand, to stamp the balance 1 in one pass or to cut it into a single clamping. It is thus possible to manufacture a balance 1 with absolute equilibrium, since the axis bore 9 for the axis 6 is simultaneously made, as well as the sleeve for the housing of the lever element 5.
  • the mass elements 2 which are subsequently mounted to increase the mass inertia and typically manufactured in different quantities, can be used to adjust in a particularly simple way the oscillating system S to the load distributions of the production batch.
  • the removal of the balance wheel also renders the oscillating system S substantially less affected by imbalances or problems of concentricity and horizontality than a conventional balance wheel.
  • the Fig. 5 represents a part of a second exemplary embodiment of an oscillating system S according to the invention in perspective view.
  • the oscillating system S of the Fig. 5 is shown without axis and without spiral. It is in principle combinable with the axis 6 shown in the previous figures and the spiral 3 also shown in the previous figures.
  • the oscillating system S comprises a rocker 1 substantially cruciform.
  • the rocker 1 has a central portion 7 with a bore axis 9 which passes said axis 6 once the oscillating system S assembled.
  • First two wings 8 (only one being provided with a reference sign in Fig. 5 ) extend outwardly from the central portion 7, at each end of which a ground element 2 is mounted (only one being provided with a reference sign in Fig. 5 ).
  • the first wings 8 are arranged in exactly opposite relation to the central portion 7.
  • Two second wings 20 are also exactly opposite to the central portion.
  • An angle of 90 ° is formed between a second flange 20 and a first flange 8.
  • the first flanges 8 and the second flanges 20 are arranged regularly alternately around the central portion 7.
  • Each second flange 20 presents to its end a bent element 21.
  • Each bent element 21 comprises an angled bore 22 in which a set screw 23 can be tightened, such that a central axis of the adjusting screw 23 extends perpendicularly to an axis of rotation of the oscillating system S passing through the axis.
  • the adjustment screws 23 are used for fine tuning of the oscillating system S.
  • each bent element 21 has a slot 24 adapted to cooperate with the bent bore 22, so as to allow a safe screwing of the adjusting screw 23 into the bent bore 22.
  • the Fig. 6 represents a part of a third embodiment of an oscillating system S according to the invention in perspective view.
  • the third embodiment corresponds substantially to the second embodiment, the elbows of the third embodiment being screwed on the second wings in the form of pieces at right angle 27, made by folding at 90 ° of the ends of the second wings 20 unlike the second execution example.
  • each bracket part 27 of the third exemplary embodiment comprises a second adjusting screw 28 in addition to the adjusting screw 23 already present in the second embodiment, which is associated with a corresponding second slot 29.
  • the cruciform execution examples illustrated by the Fig. 5 and 6 may be generally combined with all the features of the first execution example, eg ex. with the fastening element 4 and the lever element 5.
  • FIG. 7 to 10 Other exemplary embodiments of the present invention are illustrated in Fig. 7 to 10 , in order to propose oscillating systems with different combinations of components described above (the numberings are lightened for the sake of clarity and explanation of the different combinations).
  • the Fig. 7 represents a fourth example of an oscillating system S with two square pieces 27, each comprising a second adjusting screw 28 in addition to the adjusting screw 23 already present in the third embodiment, which is associated with a slot 29 corresponding, replacing the mass elements 2, as visible in Fig. 1 .
  • the Fig. 8 represents a fifth example of an oscillating system S with four square pieces 27, each comprising a second adjusting screw 28 in addition to the adjusting screw 23 as shown in the third embodiment, which is associated with a slot 29, replacing the mass elements 2, as visible in Fig. 1 .
  • This has the advantage of being even more easily adjustable than the third example.
  • the Fig. 9 represents a sixth example of an oscillating system S with three ground elements 2 and three square pieces 27, each comprising a second adjusting screw 28 in addition to the adjusting screw 23 already present in the third embodiment, which is associated with a corresponding slot 29.
  • the advantage here is to present more adjustment means, with different angles.
  • the Fig. 10 represents a seventh example of an oscillating system S with two square pieces 27, each comprising a second adjusting screw 28 in addition to the adjusting screw 23 already present in the third embodiment, which is associated with a slot 29 corresponding, replacing the mass elements 2, as visible in Fig. 1 .
  • the adjusting screws 23 and 28 are inclined at 45 ° to improve accessibility when the oscillating system S is nested.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Micromachines (AREA)
  • Transmission Devices (AREA)
  • Vibration Prevention Devices (AREA)
EP19152279.6A 2015-12-14 2016-12-14 Schwingsystem für armbanduhr Active EP3499318B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15199927.3A EP3182215A1 (de) 2015-12-14 2015-12-14 Schwingsystem für uhr
PCT/EP2016/081005 WO2017102845A1 (fr) 2015-12-14 2016-12-14 Système oscillant pour montre
EP16809824.2A EP3391154B1 (de) 2015-12-14 2016-12-14 Schwingsystem für eine uhr

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP16809824.2A Division EP3391154B1 (de) 2015-12-14 2016-12-14 Schwingsystem für eine uhr
EP16809824.2A Division-Into EP3391154B1 (de) 2015-12-14 2016-12-14 Schwingsystem für eine uhr

Publications (2)

Publication Number Publication Date
EP3499318A1 true EP3499318A1 (de) 2019-06-19
EP3499318B1 EP3499318B1 (de) 2020-09-09

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EP15199927.3A Withdrawn EP3182215A1 (de) 2015-12-14 2015-12-14 Schwingsystem für uhr
EP19152279.6A Active EP3499318B1 (de) 2015-12-14 2016-12-14 Schwingsystem für armbanduhr
EP16809824.2A Active EP3391154B1 (de) 2015-12-14 2016-12-14 Schwingsystem für eine uhr

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EP15199927.3A Withdrawn EP3182215A1 (de) 2015-12-14 2015-12-14 Schwingsystem für uhr

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Application Number Title Priority Date Filing Date
EP16809824.2A Active EP3391154B1 (de) 2015-12-14 2016-12-14 Schwingsystem für eine uhr

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US (1) US11415941B2 (de)
EP (3) EP3182215A1 (de)
WO (1) WO2017102845A1 (de)

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EP3534222A1 (de) * 2018-03-01 2019-09-04 Rolex Sa Herstellungsverfahren eines thermokompensierten oszillators

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CH22362A (fr) * 1900-08-28 1902-01-15 Achille Hirsch Balancier pour pièces d'horlogerie portatives
US2116257A (en) * 1935-11-21 1938-05-03 Aegler Hermann Balance wheel
GB2416408A (en) * 2003-10-20 2006-01-25 Gideon R Levingston Balance Wheel, Balance Spring and Other Components and Assemblies for a Mechanical Oscillator System and Methods of Manufacture
EP2063325A2 (de) * 2007-11-20 2009-05-27 Richemont International S.A. Mechanisches uhrwerk
EP2570868A1 (de) * 2011-09-13 2013-03-20 Patek Philippe SA Genève Element für Uhrwerk, Uhrwerk und Uhr
EP2874019A1 (de) * 2013-11-15 2015-05-20 Richemont International S.A. Endkurve für eine Spiralfeder, die über ihr äußeres Ende angetrieben wird

Also Published As

Publication number Publication date
EP3499318B1 (de) 2020-09-09
EP3391154A1 (de) 2018-10-24
EP3391154B1 (de) 2019-10-09
US20180364645A1 (en) 2018-12-20
US11415941B2 (en) 2022-08-16
EP3182215A1 (de) 2017-06-21
WO2017102845A1 (fr) 2017-06-22

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