• 专利附录
  • 专利说明
  • 权利要求
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  • 同族专利
  • 引用文献
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  • 优先权
    • 专利摘要:
    Timepiece device (100) composed of two oscillators (1a, b) with rotary balances (11a, b) and balance springs, coupled for their synchronization. The oscillators (1a, b) are identical and their axes (10a) are parallel. The balance springs are connected to a common pin by a link in the same direction but in the opposite direction, the pin (131a, b) being fixed to the rest of the clockwork movement.
    公开号:CH716084A2
    申请号:CH00339/20
    申请日:2020-03-20
    公开日:2020-10-15
    发明作者:Halter Vianney
    申请人:Halter Vianney；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    The present invention relates to a device for coupling two clock oscillators, in order to ensure their synchronization.
    STATE OF THE ART
    [0002] Since Huygens' observation in the 17th century of the synchronization of two pendulums, numerous attempts have been made to reproduce and explain the phenomenon. If today the phenomenon of synchronization applied to pendulums is well understood, the same phenomenon applied to sprung balances is not.
    [0003] The fundamental principle of clockwork mechanisms is the regulation of the time division. To do this, they are regulated by oscillators which we want to be as isochronous as possible.
    [0004] Isochronism is the ability of an oscillator to oscillate at its resonant frequency whatever its amplitude.In the case of a pendulum, the resonant frequency depends on the length of the balance rod. The pendulum is indeed isochronous for oscillations of small amplitudes.
    [0005] In 1675 Huygens allowed a reduction in volume and to overcome the pendulum by inventing the balance-spring oscillator.
    [0006] In the case of a balance spring oscillator, the resonant frequency depends on the inertia of the balance, on the stiffness of the balance spring and on the active length of said balance spring. In practice, the isochronism of the sprung balance is greatly affected by position, temperature, escapement, etc. and requires compensation.
    [0007] The aim of bringing two sprung balance oscillators into synchronization is to compensate for their isochronism defects linked to dynamic balancing. If the two components oscillate perfectly symmetrically, there is compensation by one of the oscillators for all the symmetrical dynamic balancing faults of the other oscillator. A system comprising two oscillators synchronized in symmetry will have better isochronism than the two oscillators taken separately. The first attempt to obtain a synchronization of spring balance oscillators was made in 1810 by Breguet in his two-movement watch. The pendulums were side by side and extremely close together. Currently, we do not know by what means Breguet wanted to obtain synchronization.Recent developments in wristwatches have consisted in bringing the serges of the annular balances closer together to create a coupling via the layer of air located closest to the balances.Although certain more advanced wristwatch mechanisms currently manufactured include two oscillators intended to synchronize, none of the solutions proposed is really effective in ensuring isochronism and its stabilization over time.
    PURPOSE OF THE INVENTION
    The object of the present invention is to develop a timepiece device comprising a group of spiral balance oscillators coupled two by two making it possible to achieve synchronization and better isochronism.
    DISCLOSURE AND ADVANTAGES OF THE INVENTION
    [0009] To this end, the present invention relates to a timepiece device composed of two oscillators with rotating and spiral balances, coupled for their synchronization, this device being characterized in that the oscillators are identical and their axes parallel and the Spirals are connected by their terminal curve to a common piton fixed to the rest of the clockwork movement.
    This device according to the invention has the advantage of applying the difference in the forces exerted on the fixed common peak. This difference is automatically established by the opposite mounting of the end curves of the balance springs on the common peak. These pitons are combined or associated in one piece to form the common piton. This common peak is connected to a fixed point of the movement.
    [0011] The difference in the forces exerted on the two end curves on the common peak may correspond to the traction or thrust forces. This difference in force is reflected directly on the peak, which in turn distributes it over the end curves of the balance springs.
    This direct transmission of the difference in force has the effect of very quickly equalizing the frequency of each of the oscillators, despite the external and positioning disturbances.
    [0013] According to another characteristic, the oscillators comprise a flat hairspring or a Breguet hairspring.
    [0014] According to another characteristic, the common peak is formed of two integral peaks, mounted head to tail and each receiving the end of the end curves of the two spirals. This allows direct transmission of the difference in forces or pressures exerted by the balance springs during their operation.
    There is no functional difference between two peaks combined with one another and a common peak, the function being to achieve a fixed point which unites a hairspring to the other in order to reach the 'balance of forces and therefore synchronization of the two oscillators.
    According to another advantageous characteristic, the oscillators are arranged such that the planes of the balances are parallel, their axes being in a common plane with the axis of the common peak.
    [0017] According to another advantageous characteristic, the two springs are located inside the construction, between the two balances, so as to minimize the space between the springs and maximize the efficiency of the coupling. The escapements are therefore located outside the space between the balances.
    BRIEF DESCRIPTION OF THE DRAWINGS
    The present invention will be described below in more detail with the aid of embodiments shown in the accompanying drawings in which:<tb> <SEP> [Fig. 1] is a perspective view of a first embodiment of a device with two oscillators with a rotary balance and a spiral spring.<tb> <SEP> [Fig. 2] is a bottom view of the device of FIG. 1<tb> <SEP> [Fig. 3] is a sectional view through an axial plane of the device of FIG. 1<tb> <SEP> [Fig. 4A] is a detailed perspective view of the two balance-springs of the device of FIG. 1 fixed to their common pin<tb> <SEP> [Fig. 4B] is a top view of the balance springs and the common peak of FIG. 4A<tb> <SEP> [Fig. 5A] is a perspective view of Breguet balance springs of another embodiment of the device of FIG. 1<tb> <SEP> [Fig. 5B] is a plan view of the two Breguet balance springs of FIG. 5A<tb> <SEP> [Fig. 6] is a perspective view of a third embodiment of the device composed of two coaxial oscillators, seen in perspective<tb> <SEP> [Fig. 7] is an axial sectional view of the device of FIG. 6<tb> <SEP> [Fig. 8A] is a perspective view of the two flat balance springs of the device of FIG. 6<tb> <SEP> [Fig. 8B] is a plan view of the two hairsprings of FIG. 8A<tb> <SEP> [Fig. 9] shows a fourth embodiment of a device with two coaxial oscillators, seen in perspective<tb> <SEP> [Fig. 10] is an axial sectional view of the device of FIG. 9<tb> <SEP> [Fig. 11A] is a perspective view of two Breguet balance springs of a fourth embodiment of the device<tb> <SEP> [Fig. 11B] is a plan view of the two coaxial Breguet balance-springs in FIG. 11A.
    DESCRIPTION OF AN EMBODIMENT
    Figures 1, 2, 3 show a first embodiment of the timepiece device 100. To simplify the presentation of the device, given the identity of shapes and symmetries, one of the oscillators and its components will carry the numerical references completed with the suffix (a) and the other, with the suffix (b). The representation is limited to the oscillators 1a, b, to their anchor 14a, b and to their escape wheel 15a, b itself connected to a gear train and mainspring, not shown. The two oscillators 1a, b of device 100 are identical.
    Each oscillator 1a, b consists of a balance 11a, b toserge 111a, b and flat hairspring 12a, b whose inner end is integral with a ferrule 121a, b mounted on the axis 10a, b of the balance 11a, b; its terminal curve 122a, b (that is to say its other end) is connected to a common stud 13 secured to a non-detailed hook holder 132, itself fixed to the movement.
    The conical portion of the balance axis 10a, b which corresponds to the axis ZZa, b of the balance 11a, b carries a double plate 112a, b whose ellipse is in relation to the anchor 14a, b cooperating with the escape wheel 15a, b. This known part of the escape mechanism driving the oscillator 1a, b will not be described in more detail.
    The two oscillators 1a, b are chiral, that is to say that the balance 11a and the hairspring 12a and all their components are identical to the balance 11b and the hairspring 12b and all their components, except for planar symmetry .
    The axes (geometric axes) ZZa, b of the two oscillators 1a, b are parallel. The two oscillators 1a, b are mounted so as to rotate in the same direction around their respective axis ZZa, b. This means that with respect to the same direction of the axes ZZa, b, the two oscillators rotate in the same direction, almost simultaneously. When oscillators 1a, b are synchronized, they rotate exactly simultaneously in the same direction at the same time.
    The rotation of an oscillator 1a, b is the alternating movement of its balance 11a, b driven by the anchor 14a, b in one direction and the other, compressing and then allowing the balance spring 12a, b to relax.
    The pitons 131a, b which are connected the terminal curves 122a, b are integral head-to-tail and for example united in a single piece called common piton 13. The meeting of the terminal curves 122a, b to the common piton 13 is made in the same direction but in the opposite direction so that the forces exerted by the balance springs 12a, b on the common pin 13 are opposed, that is to say that the forces are aligned in the same direction but oriented in the opposite direction. Due to the symmetry of this mechanism, the direction of attachment of the ends of the terminal curves 122a, b to their peak 131a, b is in the plane not shown, perpendicular to the plane containing the axes ZZa, b and equidistant from them.
    The oscillators 1a, b are in principle almost synchronous so that the forces of the opposite direction which are exerted on the common peak 13 are of similar amplitude and of the opposite direction. The difference in the amplitude of the forces due to their lack of synchronism has direct repercussions from one end curve 122a, b to the other 122b, a via the common peak 13 so that this difference gradually decreases until the synchronization of oscillators 1a, b.
    The various parameters of the entire mechanism and the external influences such as gravity, the movements imparted to the mechanism and others, can disturb the oscillators which then resynchronize as has been described.
    [0028] The average precision of a clockwork mechanism with pendulums coupled over a certain period of time is all the better as the synchronization or resynchronization is efficient and rapid.
    In more detail, the first embodiment of the device of Figures 1 to 3 consists of two oscillators 1a, b in parallel planes but offset in the direction of the axes ZZa, b so as to minimize the distance between the terminal curves of the two spirals. In this assembly, according to the invention, the oscillators 1a, b are planar symmetrical to each other. If we observe the mechanism along the axes ZZa, b the balance springs 12a, b have the same winding, so that the balance springs operate in the same direction, consequently the balances 11a, b turn in the same direction at the same time. It is the same upstream for the escape wheels 15a, b and the anchors 14a, b.
    Figure 2 shows by its bottom plan view, the interweaving of the volumes of the two oscillators 1a, b by the serges 111a, b of the balances. The serges 111a, b are shown partly cut so as not to complicate the drawing and to better show the common piton 13 and the opposing fixings of the terminal curves 122a, b.
    As the two oscillators 1a, b are in separate planes one above the other, the serges 122a, b overlap in projection but do not hinder each other in their movement.
    Figure 3 is a simplified sectional view without hatching, of the device of Figures 1 and 2 showing the superposition of the two oscillators 1a, b and the intermediate arrangement of the common peak 13. The ZZc axis of the common peak 13 is in the plane of the two axes ZZa, b of oscillators 1a, b, parallel and equidistant from the two axes ZZa, b.
    Figures 4A, B show the balance springs 12a, b of the two oscillators 1a, b and their common pin 13 as well as the ferrules 121a, b.
    Figures 5A, B show another embodiment 200 of the mechanism with a device with two oscillators 2a, b like those 1a, b of Figure 1 but with two Breguet balance springs 22a, b. These hairsprings 22a, b differ from the flat hairsprings 12a, b of the first embodiment in that their end curve 222a, b is not in the plane of the hairspring but in a plane parallel above this plane to join the peak common 23. The terminal curve 222a, b joins this auxiliary plane by an inclined transition segment 223a, b.
    The principle operation of this device is the same as that of the device 100. All the components identical to the previous ones are neither shown nor redescribed.
    The spirals 22a, b operate in the same direction being, as in the embodiment of Figures 1 to 3, rotated relative to each other by 180 ° in their plane, if one observes along the axes ZZa, b; the terminal curves 222a, b pass respectively below and below the plane of their hairspring 12a, b to arrive in their auxiliary plane and join the common peak 23, in a median position between the two planes. This does not modify the functional identity of the two balance springs 22a, b and that of the oscillators 1a, b: the balances of the balances rotate in the same direction at the same time, just as the balance springs 22a, b contract and expand at the same time. .
    The Breguet balance-springs 22a, b are close together by comparison with the flat balance-springs; the common peak 23 is thus by plane projection, overlapped by the two spirals 22a, b.
    Figures 6, 7, 8 A, B show a third embodiment of the device 300 in which the various components of the device 300, identical to those of the previous embodiments bear the same references as in Figures 1 to 3 whose first digit (3) replaces the digit (1).
    The two oscillators 3a, b are ZZ axis coaxial. They are composed of a balance 31a, b, with a rim 311a, b and a flat hairspring 32a, b, the inner end of which is integral with a ferrule 321a, b mounted on the hub 30a, b of the balance 31a, b. The two oscillators and their escapements are geometrically identical.
    Each end curve 322a, b is connected to a piton 331a, b. The two pitons are head to tail and form a common piton 33 connected to a piton holder 332a, b. The eyebolt 332a, b is attached to the rest of the clockwork movement.
    The two oscillators are arranged head to tail. If we observe the system along the ZZ axis, the two balance springs wind in opposite directions.
    In other words, the oscillators 3a, b are not symmetrical with respect to the median assembly plane but antisymmetric since they rotate / oscillate in the opposite direction.
    The terminal curves 322a, b are connected to their peak 331a, b in the same direction but in the opposite direction.
    The two pitons 331a, b form a common piton 33 connected to a piton holder 332 whose connection with the rest of the mechanism is not shown.
    In this assembly, as in the two previous assemblies, the compressive and tensile forces generated by the successive phases of compression and relaxation of the balance springs 32a, b are in the same direction but opposite in direction. The difference in the amplitudes of the forces applied to the common peak 33 is transmitted from one hairspring to the other so as to gradually compensate for this difference in amplitude and result in the synchronization of the pair of oscillators.
    The sectional view of Figure 7 is made in the common plane containing the axes (ZZ), (Z1, Z1) and the axis (Z2, Z2) of the common peak 33.
    This view shows the arrangement in opposition of the two oscillators with respect to the median plane perpendicular to the axis (ZZ) (this plane is not shown). The terminal curve 322b located in front of the section plane does not appear.
    The size of this device 300 in projection in the direction of the axis (ZZ) is reduced since the escape wheels 35a, b are coaxial and their common axis (Z1Z1) is parallel to the axis (ZZ ).
    The common peak 33 has its axis (Z2Z2) located in the plane defined by the axes (Z1Z1), (ZZ).
    Figures 8A, 8B show in perspective and in plan view the two flat balance springs 32a, b and the end curves 322a, b connected to the common pin 33 itself fixed to the rest of the movement. These figures clearly demonstrate the operation in the opposite direction of the two coaxial balance springs 32a, b.
    Figures 9, 10, 11A, 11B show another embodiment of the device 400. It differs from that of Figure 6 in that the balance springs 42a, b are Breguet balance springs and not flat balance springs. The other components are the same as above and their overall organization is identical so that all the elements identical or similar to those for example of the first embodiment according to Figures 1 to 3 bear the same references including the first number (1 ) is replaced by the number (4). The following description is limited to the differences associated with the Breguet 42a, b balance springs.
    The antisymmetric coaxial arrangement of the oscillators 4a, b and that of the escape wheels 45a, b is retained.
    If we observe along the ZZ axis, the oscillators 4a, b with their balance 41a, b and their balance spring 42a, b turn in the opposite direction generating forces in the same direction but in the opposite direction applied to the common peak 43 The difference in amplitude of the forces is thus reflected directly from one hairspring to the other by the common eyebolt 43 to progressively achieve synchronization.
    The end curves 422a, b of the Breguet balance-springs 42a, b come out of the plane of their balance-spring to join another plane (auxiliary plane) parallel to the plane of their balance-spring. FIG. 10, a sectional view, shows more particularly the end curve 422a, b in the auxiliary plane situated above and that below the body of the hairspring to join the respective peak 431a, b (Figure 10).
    This arrangement is clearly shown in Figures 11A, 11B which show the only balance springs connected to the common peak 43.
    Thus the timepiece device according to the invention is composed of two oscillators (1a, b) with rotary balances (11a, b) and spirals (12a, b), coupled for their synchronization including the oscillators (1a, b ) are identical or identical except for planar symmetry, the axes (22a, b) of the oscillators 1a, b are parallel, the balance springs (12a, b) are connected by their terminal curve (122a, b) to a common peak 13 by a link in the same direction but in the opposite direction and the common stud (13) is attached to the rest of the clockwork movement.
    In this timepiece device, the oscillators 1a, b comprise a flat balance spring 11a, b or a Breguet balance spring (21a, b).
    The common piton (13) is formed of two integral pitons (131a, b), mounted head to tail and each receiving the end of the end curve (122a, b) of a balance spring (12a, b).
    The oscillators (1a, b, 2a, b) are aligned in parallel planes, their axes (ZZa, b) being in a common plane with the axis (ZZc) of the common peak (13), the wheels d 'escapement (15a, b) and the anchors (14a, b) being respectively above and below an oscillator (1a, b).
    In this timepiece device the oscillators (3a, b, 4a, b) are superimposed in two parallel planes and the escape wheels (15a, b, 35a, b, 45a, b) are in parallel planes those of the oscillators (3a, b, 4a, b),the axes of the escape wheels (15a, b, 35a, b, 45a, b) being coaxial and the common pin (33, 43) being located between the two oscillators in the middle position.
    NOMENCLATURE OF THE MAIN ELEMENTS without the suffixes a and b
    [0061]<tb>400<SEP>300<SEP> <SEP> 100 <SEP> Clockwork device<tb> 4 <SEP> 3 <SEP> 2 <SEP> 1 <SEP> Oscillator<tb>40<SEP>30<SEP> <SEP> 10 <SEP> Balancer tigeron<tb>41<SEP>31<SEP> <SEP> 11 <SEP> Balance wheel<tb>411<SEP>311<SEP> <SEP> 111 <SEP> Serge<tb>412<SEP>312<SEP> <SEP> 112 <SEP> Double plate<tb> 42 <SEP> 32 <SEP> 22 <SEP> 12 <SEP> Spiral<tb> 421 <SEP> 321 <SEP> 221 <SEP> 121 <SEP> Ferrule<tb> 422 <SEP> 322 <SEP> 222 <SEP> 122 <SEP> Terminal curve<tb> 43 <SEP> 33 <SEP> 23 <SEP> 13 <SEP> Common piton / anchor<tb>431<SEP>331<SEP> <SEP> 131 <SEP> Piton<tb>432<SEP>332<SEP> <SEP> 132 <SEP> Piton holder<tb>44<SEP>34<SEP> <SEP> 14 <SEP> Anchor<tb>45<SEP>35<SEP> <SEP> 15 <SEP> Escape wheel
    To simplify the presentation of the claims, all similar references are not systematically included in the claims. They are only if it is necessary for understanding.
    权利要求:
    Claims (5)
    [1]
    1. Timepiece device made up of two oscillators (1a, b) with rotary balances (11a, b) and hairsprings (12a, b), coupled for their synchronization,mechanism characterized in that- the oscillators (1a, b) are identical or identical except for planar symmetry- the axes (22a, b) of oscillators 1a, b are parallel- the spirals (12a, b) are connected by their terminal curve (122a, b) to a common peak 13 by a connection in the same direction but in the opposite direction- the common stud (13) is attached to the rest of the clockwork movement.
    [2]
    2. Timepiece device according to claim 1,characterized in thatoscillators 1a, b include a flat balance spring 11a, b or a Breguet balance spring (21a, b).
    [3]
    3. Timepiece device according to claim 1,characterized in thatthe common piton (13) is formed of two integral pitons (131a, b), mounted head to tail and each receiving the end of the terminal curve (122a, b) of a balance spring (12a, b).
    [4]
    4. Timepiece device according to claim 1,characterized in thatthe oscillators (1a, b, 2a, b) are aligned in parallel planes, their axes (ZZa, b) being in a common plane with the axis (ZZc) of the common pin (13), the escape wheels ( 15a, b) and the anchors (14a, b) being respectively above and below an oscillator (1a, b).
    [5]
    5. Timepiece device according to claim 1,characterized in thatthe oscillators (3a, b, 4a, b) are superimposed in two parallel planes and the escape wheels (15a, b, 35a, b, 45a, b) are in planes parallel to those of the oscillators (3a, b, 4a, b),the axes of the escape wheels (15a, b, 35a, b, 45a, b) being coaxial and the common pin (33, 43) being located between the two oscillators in the middle position.
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    同族专利:
    公开号 | 公开日
    DE102020107233A1|2020-10-08|
    FR3094804B1|2021-10-22|
    US20200319596A1|2020-10-08|
    FR3094804A1|2020-10-09|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    CH710935B1|2015-04-01|2018-10-31|Armin Strom Ag|Device for synchronizing a first balance and a second balance of a clock.|
    CH710979A2|2015-04-16|2016-10-31|Montres Breguet Sa|Spiral of micro-machinable material with correction of isochronism.|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FR1903503A|FR3094804B1|2019-04-02|2019-04-02|"Device for coupling two clockwork oscillators"|
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