EP3764168B1 - Uhr-anzeigemechanismus mit elastischem zeiger - Google Patents

Uhr-anzeigemechanismus mit elastischem zeiger Download PDF

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Publication number
EP3764168B1
EP3764168B1 EP20176726.6A EP20176726A EP3764168B1 EP 3764168 B1 EP3764168 B1 EP 3764168B1 EP 20176726 A EP20176726 A EP 20176726A EP 3764168 B1 EP3764168 B1 EP 3764168B1
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EP
European Patent Office
Prior art keywords
pipe
display mechanism
torque
output shaft
cam
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.)
Active
Application number
EP20176726.6A
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English (en)
French (fr)
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EP3764168A1 (de
Inventor
Christophe Bifrare
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.)
Montres Breguet SA
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Montres Breguet SA
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Publication date
Application filed by Montres Breguet SA filed Critical Montres Breguet SA
Publication of EP3764168A1 publication Critical patent/EP3764168A1/de
Priority to US17/186,146 priority Critical patent/US11774909B2/en
Priority to JP2021047033A priority patent/JP7181330B2/ja
Priority to CN202110583420.7A priority patent/CN113741163B/zh
Application granted granted Critical
Publication of EP3764168B1 publication Critical patent/EP3764168B1/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/04—Hands; Discs with a single mark or the like
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/001—Gearwork with the choice of adjustable or varying transmission ratio
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/007—Gearwork with differential work
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/007—Gearwork with differential work
    • G04B13/008—Differentials
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/04—Hands; Discs with a single mark or the like
    • G04B19/042—Construction and manufacture of the hands; arrangements for increasing reading accuracy
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/04—Hands; Discs with a single mark or the like
    • G04B19/048—Hands; Discs with a single mark or the like having the possibility of indicating on more than one scale, e.g. hands with variable length which work on different scales
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0038—Figures or parts thereof moved by the clockwork
    • G04B45/0061—Moving parts of the clockwork, e.g. pendulum, hands in special form, mostly constructed as a figure
    • 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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • G04B9/005—Supervision of the state of winding, e.g. indicating the amount of winding by optical indication of the amount of winding
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots

Definitions

  • the invention relates to a timepiece display mechanism with variable geometry, comprising at least one elastic hand which comprises a first drive barrel secured to a first end of a flexible blade, and a second drive barrel secured from another end of said flexible blade, and having a display index which, in an unconstrained free state of said resilient needle in which both said first barrel and said second barrel are unconstrained and spaced apart from each other, is distant from said first barrel and from said second barrel, the service position of said elastic needle being a constrained position where said first barrel and said second barrel are coaxial with each other around an output axis, said display mechanism comprising first means for driving said first barrel around said output axis, and second means for driving said second barrel around said axis outlet, said first drive means and second drive means being arranged to deform said flexible blade, by varying the angular position of said second barrel with respect to the angular position of said first barrel around said outlet axis, and to varying the radial position of said display index with respect to said output axis.
  • the invention relates to a timepiece movement comprising at least one such display mechanism.
  • the invention relates to a watch comprising at least one such movement, and/or at least one such display mechanism.
  • the invention relates to the field of timepiece display mechanisms, and more particularly for timepieces with complications, the invention can be used both for static timepieces such as pendulums or clocks, and for watches, due to the small dimensions of the mechanism according to the invention.
  • dials of many timepieces are not circular, and it is interesting to have solutions which make it possible to occupy all the available surface, for an even better visualization.
  • variable geometry display mechanism design makes it possible to break a certain monotony of the displays, and to make the display more lively, with different aspects depending on the time of day, or according to particular time periods.
  • an AM/PM display can be simply provided by the shape of a needle, which presents a first aspect during the twelve hours of the morning, and a second aspect during the rest of the day ; it is also possible to distinguish between day/night displays, time zone displays, or others.
  • variable-geometry display mechanism adds complexity to the timepiece, in particular a watch, and it is advantageous to limit both its volume to allow its insertion into a small watch case, for example for a ladies' watch, its complexity in order to limit the number of components and the cost of manufacture and assembly, and to regulate its consumption of torque in order to bring the least possible disturbance to the running of the watch.
  • Elastic hands, and display mechanisms comprising such elastic hands have been described in the documents EP2863274 , EP 3159751 , EP3605244 , and EP3605243 , which disclose many variants.
  • the invention proposes to further simplify such an elastic pointer display mechanism, and to make it even more compact and economical to produce, and to optimize its torque consumption.
  • the invention also proposes to prevent any buttressing in this elastic pointer display mechanism, by avoiding pushing a mobile, and by favoring drag-mounted mobiles.
  • the invention relates to a timepiece display mechanism with variable geometry, according to claim 1.
  • the invention relates to a timepiece movement comprising at least one such display mechanism.
  • the invention relates to a watch comprising at least one such movement, and/or at least one such display mechanism.
  • Requirement EP3605244 relating to a variable-geometry timepiece display mechanism with elastic needle, exposes a first actuating mechanism by means of mobiles with shaped teeth. Such an embodiment allows the execution of very innovative displays in watchmaking, and is however expensive, and reserved for luxury items.
  • the same application also describes a second case of an actuation mechanism by means of a first differential on the gear train of the first barrel and a second differential on the gear train of the second barrel, and at least one cam constituting an input of such differential. Therefore, it is necessary to find and size a suitable planetary (differential) gear. Planetary gears have the advantage of achieving large transmission ratios in a small footprint.
  • the input and output shafts are an extension of each other.
  • the possibilities of gear combinations are very numerous. They make it possible, in particular, to produce interesting gearboxes.
  • it is a question of driving one of the inputs of the differential, so as to generate an advance and respectively a delay of an equivalent specific value on each of the ends of the needle. And, when this value is zero, we must obtain a transmission ratio of 1 (the positive value means that the direction must also be identical).
  • the invention proposes to further simplify the mechanism and to make it even more compact and economical to produce.
  • the main difficulty is related to the low torque available. It is therefore necessary to create a mechanism with the lowest possible energy consumption, and above all as regular as possible.
  • an elastic pointer display mechanism Disclosed is an elastic pointer display mechanism.
  • Such an elastic needle, and display mechanisms comprising such elastic needles have been described in the documents EP2863274 , EP3159751 , EP3605244 , and EP3605243 incorporated here by reference, and which disclose numerous variants, in particular comprising one or more differential mechanisms.
  • Optimizing the operation of such mechanisms requires smoothing the actuation torque.
  • the torque consumed by the system is relatively high, whether it is with one or two satellites. There is a consumption peak at the start of the rotation in the first 30° of the angular stroke, then the torque decreases rapidly and becomes weaker, at a relatively low level, less than 20% of the maximum torque consumed during the peak, from an angle of rotation of 120° and up to the end of the angular stroke of 360°. This has the effect of reducing the amplitude of the inertial mass of the resonator, in particular of the balance wheel, which can alter the chronometry and the power reserve.
  • the invention relates, more particularly, to a timepiece display mechanism 10 with variable geometry, comprising at least one elastic hand 1.
  • This elastic needle 1 comprises a first drive barrel 2 secured to a first end of a flexible blade 3, and a second drive barrel 4 secured to another end of the flexible blade 3.
  • This flexible blade 3 can be a continuous blade, or even a blade comprising a succession of segments 5 joined two by two at the level of vertices 6, as visible on the figure 5 and 6 .
  • This flexible blade 3 comprises a display index which, in an unconstrained free state of the elastic needle 1 in which both the first barrel 2 and the second barrel 4 are not subjected to any constraint and are distant from each other on the other, is distant from the first barrel 2 and from the second barrel 4, the service position of the elastic needle 1 being a constrained position where the first barrel 2 and the second barrel 4 are coaxial with each other around an output axis D.
  • the display index is advantageously, but not necessarily, constituted by a vertex 6.
  • the display mechanism 10 comprises first means for driving the first barrel 2 around the exit axis D, and second means for driving the second barrel 4 around the exit axis D.
  • first barrel 2 and the second barrel 4 are not coaxial are not described here, they remain feasible for certain special displays, in particular displays which are not of revolution, such as retrograde displays or the like.
  • the first drive means and the second drive means are arranged to deform the flexible blade 3, by varying the angular position of the second barrel 4 with respect to the angular position of the first barrel 2 around the exit axis D , and to vary the radial position of the display index with respect to the output axis D.
  • a good solution consists in equipping the display mechanism with an elastic needle of a torque regulator, and in particular to couple in rotation, in particular around the output axis D, a regulating cam 801 with a differential planet carrier frame, in particular an input planet carrier frame 180.
  • This cam 801 cooperates with an elastic arm 803, in particular but not limited to a prestressed spring.
  • the track 802 of this regulation cam 801 comprises a continuous rising edge and a continuous falling edge, and in particular has an ovoid profile.
  • the display mechanism comprises at least one mechanism of the differential type acting on the drive train of the first barrel 2 and on the drive train of the second barrel 4.
  • the differential mechanism comprises at least a first planet gear 82 for driving the first barrel 2 and/or a second planet gear 84 for driving the second barrel 4, and at least one entry planet carrier frame 180 which is driven in rotation by motor means to the drive of the elastic needle 1, and this display mechanism includes a torque regulator mechanism acting on the input planet carrier frame 180.
  • this torque regulator mechanism comprises, fixed in rotation to the input planet carrier frame 180, a regulation cam 801 whose track 802 comprises a continuous rising edge and a continuous falling edge.
  • the torque regulator mechanism of the display mechanism comprises an elastic arm 803, one distal end of which, or a roller 804 carried by the distal end opposite to its recess 805, permanently cooperates with the track 802, the rising edge of which raises the elastic arm 803 and moves it away from the axis of rotation of the cam 801 to consume torque, and the falling edge of which causes the the elastic arm 803 towards the axis of rotation of the cam 801 to restore torque to the system.
  • the track 802 is symmetrical with respect to a plane passing through the axis of rotation of the input planet carrier 180, and, even more particularly, the track 802 comprises an ovoid profile.
  • the distal end of the elastic arm 803, or a roller 804 carried by this distal end opposite to the recess 805 of the elastic arm 803, cooperates permanently with the track 802 whose rising edge raises the elastic arm 803 and moves it away from the axis of rotation of the cam 801 which consumes torque, and whose falling edge causes the elastic arm 803 to descend towards the axis of rotation of the cam 801 which restores torque to the system.
  • the regulating cam 801 raises the elastic arm 803, in particular at the level of the roller 804, and therefore consumes torque.
  • the elastic arm 803 descends on the flank 802 of the cam 803 and provides torque to the system.
  • the result is a total system consumption curve that is much smoother, and with a lower maximum consumption.
  • the torque varies between 0.3 times and 0.4 times the value of the maximum torque during the consumption peak of a mechanism not equipped with the invention.
  • the stackfreed is a system invented in the 16th century, already cited by Leonardo da Vinci, for regulating the force of a mainspring, in particular a mainspring, during its unwinding, and which comprises a leaf spring and an eccentric cam, to regulate the torque of the mainspring and improve the precision of a clock or a watch. It comprises a leaf spring which presses more or less strongly on the circumference of a cam carried by the barrel axis. We place the most prominent part of the cam so that the stackfreed creates a strong braking at the beginning of the uncocking and that this one decreases as the spring relaxes in the barrel. It thus makes it possible to equalize over time the torque supplied by the spring, and thus to improve the accuracy of time measurement.
  • the stackfreed comprises in particular a cantilevered elastic arm, comprising a roller at its distal end opposite its point of attachment.
  • This roller presses on an eccentric snail-shaped cam track.
  • the cam is integral in rotation with a wheel, which is part of a gear train driven by a spring shaft motor.
  • This gear train is sized in such a way as to make the cam travel at most one revolution, during the duration of discharging of the mainspring.
  • the force applied by the elastic arm against the cam exerts a braking torque on the mainspring, which reduces the torque of the latter, which varies according to the radius of the cam.
  • the elastic arm When the mainspring is fully charged, the elastic arm bears against the largest radius of the cam, and the braking torque exerted is then maximum.
  • the cam wheel comprises a stop face, to stop the discharging of the mainspring at the end of a useful range where the torque delivered to the going train is substantially constant.
  • the braking exerted by the stackfreed logically translates into a loss of performance, which requires oversizing of the mainspring, higher transmission ratios; its dimensioning is therefore difficult for its use in a watch, which led to its general abandonment from 1630, and its replacement by other mechanisms that consume less energy, such as the fusee mechanism.
  • the stackfreed mechanism is simple, and its major advantage is its smaller thickness than a rocket mechanism, its major drawback remains the necessary oversizing of the motor means and the gear train to pass the torque in complete safety.
  • a particular actuation of the needle consists in taking a planet carrier of the differential as reference, so as to make each barrel of needle work symmetrically.
  • the figures 8 and 9 illustrate the angle of rotation to be imposed on barrels 2 and 4 of needle 1.
  • hand 1 indicates noon: line A illustrates the position of the differential plate, which in this non-limiting example rotates at the rate of 1 revolution per hour, and lines B and C indicate the positions of the arms of hand 1 .
  • hand 1 indicates four o'clock, line A of the differential plate points to the mark at four o'clock on the dial, and each arm B, C, relative to the satellite carrier, has a symmetrical advance and retreat of the same angle ⁇ .
  • the display mechanism 10 then comprises a differential mechanism comprising an input planet carrier frame 180 mounted free to rotate around the output axis D.
  • This input planet carrier frame 180 comprises a first pivot 183 and a second pivot 181 respectively carrying a transmission 103 and a single satellite 101 meshing with each other by their toothings 1039, 1019.
  • This satellite 101 comprises an eccentric finger 1010, which is arranged to run through an internal track 105 of a cam fixed 104, and which is biased against this internal track 105 by the elasticity of the elastic needle 1 itself.
  • This input satellite carrier frame 180 comprises input toothing 182, and a shaft 185 which carries, coaxial along the output axis D, a first roadway 1020 comprising the first barrel 2 and a second roadway 1040 comprising the second barrel 4, whose toothing 1049 of one meshes with toothing 1039 of transmission 103, and whose toothing 1029 of the other meshes with toothing 1019 of satellite 101.
  • a single cam which senses the information of the angular delta ⁇ to be applied.
  • This information is directly transmitted to a first road 1020.
  • a second road 1040 receives this information via a reference 103 which reverses the direction of the angular delta ⁇ to be applied, as visible on the figures 2 and 3 :
  • a single satellite 101, carried by the planet carrier 180 comes to feel, on a single cam 105 that comprises a flange 104, a single angular delta ⁇ to be applied to the two barrels of the needle 1.
  • the satellite 101 applies the rotation directly to the first roadway 1020 carrying the first cannon 2.
  • the satellite 101 transmits the rotation via the reference 103 to the second roadway 1040 carrying the second cannon 4, in order to reverse the direction rotation.
  • the satellite 101 carries a finger 1010 which feels the cam track 105.
  • the satellite carrier 180 here comprises a candle 185 for guiding the roads 1040 and indirectly 1020, and an external toothing 182 driven by the clockwork movement, and pivots 181 and 183 for guiding the satellite 101 and the return 103.
  • the toothing 1019 of satellite 101 meshes, on the one hand with toothing 1029 of first roadway 1020, and on the other hand with toothing 1039 of transmission 103, which meshes with toothing 1049 of second roadway 1040.
  • the picture 3 shows that this mechanism is extremely compact, with a small thickness which allows it to be accommodated in a small watch case.
  • the number of components is reduced, and none presents any particular complexity of production, the cost of the assembly is therefore moderate.
  • the invention also relates to a timepiece movement 900 comprising at least one such display mechanism 10.
  • the invention also relates to a watch 1000 comprising at least one such movement 900, and/or at least one such display mechanism 10.
  • the invention makes it possible to generate advance and/or delay on the two barrels of the elastic needle, making it possible to generate complex trajectories, all in a very simple, compact, torque-intensive way. and therefore highly reliable.
  • This construction with a single satellite and a single cam has many advantages.
  • the additional board is very simple.
  • the single satellite is mounted dragging, and cannot buttress clockwise. Energy consumption is low due to reduced friction.
  • the loss of amplitude at the level of the resonator is very low.
  • the mechanism comprises few components, is not bulky, and its assembly is easy.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Geometry (AREA)
  • Electromechanical Clocks (AREA)
  • Transmission Devices (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Claims (7)

  1. Anzeigemechanismus (10) für die Uhrmacherei mit variabler Geometrie, der mindestens einen elastischen Zeiger (1) umfasst, welcher einen ersten festen Antriebslauf (2) eines ersten Endes einer flexiblen Platte (3) und einen zweiten festen Antriebslauf (4) eines anderen Endes der flexiblen Platte (3) umfasst, und einen Anzeigenindex umfasst, der in einem freien, unbelasteten Zustand des elastischen Zeigers (1), in dem zur gleichen Zeit der erste Lauf (2) und der zweite Lauf (4) keiner Belastung ausgesetzt sind und in Bezug zueinander beabstandet sind, von dem ersten Lauf (2) und dem zweiten Lauf (4) beabstandet ist, wobei die Betriebsstellung des elastischen Zeigers (1) eine unbelastete Stellung ist, wo der erste Lauf (2) und der zweite Lauf (4) in Bezug zueinander um eine Ausgangsachse (D) koaxial sind, wobei der Anzeigemechanismus (10) erste Antriebsmittel des ersten Laufs (2) um die Ausgangsachse (D) und zweite Antriebsmittel des zweiten Laufs (4) um die Ausgangsachse (D) umfasst, wobei die ersten Antriebsmittel und die zweiten Antriebsmittel ausgelegt sind, um die flexible Platte (3) zu deformieren, indem sie die Winkelposition des zweiten Laufs (4) bezüglich der Winkelposition des ersten Laufs (2) um die Ausgangsachse (D) verändern, und um die radiale Position des Anzeigenindex bezüglich der Ausgangsachse (D) zu verändern,
    wobei der Anzeigemechanismus mindestens einen Differentialmechanismus umfasst, der auf das Antriebsräderwerk des ersten Laufs (2) und auf das Antriebsräderwerk des zweiten Laufs (4) einwirkt, und der Differentialmechanismus mindestens ein erstes Planetenrad (82) für den Antrieb des ersten Laufs (2) und/oder ein zweites Planetenrad (84) für den Antrieb des zweiten Laufs (4) und mindestens einen Eingangsplanetenradträgerchassis (180), der durch Triebmittel für den Antrieb des elastischen Zeigers (1) drehend angetrieben wird, umfasst, dadurch gekennzeichnet, dass der Anzeigemechanismus einen Mechanismus zur Regelung des Drehmoments umfasst, das auf den Eingangsplanetenradträgerchassis (180) einwirkt.
  2. Anzeigemechanismus (10) nach Anspruch 1, dadurch gekennzeichnet, dass der Mechanismus zur Regelung des Drehmoments drehfest mit dem Eingangsplanetenradträgerchassis (180) eine Kurvenscheibe (801) zur Regulierung umfasst, deren Bahn (802) eine kontinuierliche ansteigende Flanke und eine kontinuierliche absteigende Flanke aufweist, dass der Mechanismus zur Regelung des Drehmoments einen elastischen Arm (803) umfasst, dessen ein distales Ende oder eine Rolle (804), die von dem distalen Ende gegenüber ihrer Einpassung (805) getragen wird, mit der Bahn (802) permanent zusammenarbeitet, deren ansteigende Flanke den elastischen Arm (803) anhebt und ihn von der Drehachse der Kurvenscheibe (801) wegbringt, um das Drehmoment zu nutzen, und deren absteigende Flanke den elastischen Arm (803) dazu veranlasst, wieder zu der Drehachse der Kurvenscheibe (801) hinunterzusteigen, um das Drehmoment des Systems wiederherzustellen.
  3. Anzeigemechanismus (10) nach Anspruch 2, dadurch gekennzeichnet, dass die Bahn (802) in Bezug zu einer Ebene, die durch die Ausgangsachse (D) des Eingangsplanetenradträgers (180) verläuft, symmetrisch ist.
  4. Anzeigemechanismus (10) nach Anspruch 3, dadurch gekennzeichnet, dass die Bahn (802) ein eiförmiges Profil hat.
  5. Anzeigemechanismus (10) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Eingangsplanetenradträgerchassis (180) frei drehbar um die Ausgangsachse (D) gelagert ist und eine erste Drehführung (183) und eine zweite Drehführung (181) aufweist, die jeweils ein Zeigerstellrad (103) und ein Planetenrad (101) tragen, die durch ihre Zahnungen (1039; 1019) miteinander eingreifen, wobei das Planetenrad (101) einen exzentrischen Finger (1010) aufweist, der angeordnet ist, um eine innere Bahn (105) einer festen Kurvenscheibe (104) zu durchlaufen, und der durch die Elastizität des elastischen Zeigers (1) gegen die innere Bahn (105) gehalten wird, wobei der Eingangsplanetenradträgerchassis (180) eine Eingangszahnung (182) und eine Welle (185) umfasst, die koaxial zur Ausgangsachse (D) ein den ersten Lauf (2) umfassendes erstes Minutenrohr (1020) und ein den zweiten Lauf (4) umfassendes zweites Minutenrohr (1040) trägt, wovon die Zahnung (1049) von einem mit der Zahnung (1039) des Zeigerstellrads (103) eingreift und wovon die Zahnung (1029) von dem anderen mit der Zahnung (1019) des Planetenrads (101) kämmt.
  6. Uhrwerk (900), das mindestens einen Anzeigemechanismus (10) nach einem der Ansprüche 1 bis 5 umfasst.
  7. Uhr (1000), die mindestens ein Werk (900) nach Anspruch 6 und/oder mindestens einen Anzeigemechanismus (10) nach einem der Ansprüche 1 bis 5 umfasst.
EP20176726.6A 2018-07-31 2020-05-27 Uhr-anzeigemechanismus mit elastischem zeiger Active EP3764168B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US17/186,146 US11774909B2 (en) 2018-07-31 2021-02-26 Horological display mechanism with an elastic hand
JP2021047033A JP7181330B2 (ja) 2018-07-31 2021-03-22 弾性針を備える計時器用表示機構
CN202110583420.7A CN113741163B (zh) 2018-07-31 2021-05-27 带有弹性指针的钟表显示机构

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18186552.8A EP3605243A1 (de) 2018-07-31 2018-07-31 Uhr-anzeigemechanismus mit variabler geometrie und elastischem zeiger
EP19185917.2A EP3605244B1 (de) 2018-07-31 2019-07-12 Uhr-anzeigemechanismus mit elastischem zeiger
PCT/EP2019/069968 WO2020025428A1 (fr) 2018-07-31 2019-07-24 Aiguille elastique d'horlogerie

Publications (2)

Publication Number Publication Date
EP3764168A1 EP3764168A1 (de) 2021-01-13
EP3764168B1 true EP3764168B1 (de) 2022-02-16

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Application Number Title Priority Date Filing Date
EP18186552.8A Withdrawn EP3605243A1 (de) 2018-07-31 2018-07-31 Uhr-anzeigemechanismus mit variabler geometrie und elastischem zeiger
EP19185917.2A Active EP3605244B1 (de) 2018-07-31 2019-07-12 Uhr-anzeigemechanismus mit elastischem zeiger
EP19742225.6A Active EP3765920B1 (de) 2018-07-31 2019-07-24 Uhr-anzeigemechanismus mit variabler geometrie und elastischem zeiger
EP19742224.9A Active EP3765919B1 (de) 2018-07-31 2019-07-24 Uhr-anzeigemechanismus mit variabler geometrie und elastischem zeiger
EP19744698.2A Active EP3830649B1 (de) 2018-07-31 2019-07-24 Elastischer zeiger für uhren
EP20176720.9A Active EP3764170B1 (de) 2018-07-31 2020-05-27 Uhr-anzeigemechanismus mit elastischem zeiger
EP20176726.6A Active EP3764168B1 (de) 2018-07-31 2020-05-27 Uhr-anzeigemechanismus mit elastischem zeiger

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Application Number Title Priority Date Filing Date
EP18186552.8A Withdrawn EP3605243A1 (de) 2018-07-31 2018-07-31 Uhr-anzeigemechanismus mit variabler geometrie und elastischem zeiger
EP19185917.2A Active EP3605244B1 (de) 2018-07-31 2019-07-12 Uhr-anzeigemechanismus mit elastischem zeiger
EP19742225.6A Active EP3765920B1 (de) 2018-07-31 2019-07-24 Uhr-anzeigemechanismus mit variabler geometrie und elastischem zeiger
EP19742224.9A Active EP3765919B1 (de) 2018-07-31 2019-07-24 Uhr-anzeigemechanismus mit variabler geometrie und elastischem zeiger
EP19744698.2A Active EP3830649B1 (de) 2018-07-31 2019-07-24 Elastischer zeiger für uhren
EP20176720.9A Active EP3764170B1 (de) 2018-07-31 2020-05-27 Uhr-anzeigemechanismus mit elastischem zeiger

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US (6) US11860577B2 (de)
EP (7) EP3605243A1 (de)
JP (6) JP6977179B2 (de)
CN (6) CN111902778B (de)
WO (3) WO2020025424A1 (de)

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Also Published As

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EP3605244B1 (de) 2021-04-21
US20210373497A1 (en) 2021-12-02
JP7181330B2 (ja) 2022-11-30
CN112213934B (zh) 2021-11-19
US20210048782A1 (en) 2021-02-18
US11774909B2 (en) 2023-10-03
JP2021515226A (ja) 2021-06-17
JP6933743B2 (ja) 2021-09-08
EP3765920A1 (de) 2021-01-20
JP7212087B2 (ja) 2023-01-24
US11841684B2 (en) 2023-12-12
CN113741163B (zh) 2023-01-13
CN111684363A (zh) 2020-09-18
CN113741164B (zh) 2023-01-10
JP2021515889A (ja) 2021-06-24
JP2021015110A (ja) 2021-02-12
JP2021189163A (ja) 2021-12-13
EP3830649A1 (de) 2021-06-09
CN111902779B (zh) 2022-02-25
EP3765919A1 (de) 2021-01-20
JP7050167B2 (ja) 2022-04-07
US11841685B2 (en) 2023-12-12
JP2021189165A (ja) 2021-12-13
US11860577B2 (en) 2024-01-02
CN111902779A (zh) 2020-11-06
US20210223740A1 (en) 2021-07-22
EP3605243A1 (de) 2020-02-05
EP3830649B1 (de) 2024-03-20
EP3765920B1 (de) 2021-12-29
US11886147B2 (en) 2024-01-30
US20210026305A1 (en) 2021-01-28
JP7050168B2 (ja) 2022-04-07
CN113741163A (zh) 2021-12-03
EP3764170A1 (de) 2021-01-13
JP2021515224A (ja) 2021-06-17
CN111902778B (zh) 2022-02-25
US11537080B2 (en) 2022-12-27
EP3605244A1 (de) 2020-02-05
CN113741164A (zh) 2021-12-03
WO2020025428A1 (fr) 2020-02-06
JP6977179B2 (ja) 2021-12-08
US20210373496A1 (en) 2021-12-02
US20210011433A1 (en) 2021-01-14
WO2020025424A1 (fr) 2020-02-06
CN111684363B (zh) 2022-01-21
EP3765919B1 (de) 2024-02-28
EP3764168A1 (de) 2021-01-13
CN111902778A (zh) 2020-11-06
EP3764170B1 (de) 2022-03-16
WO2020025423A1 (fr) 2020-02-06
CN112213934A (zh) 2021-01-12

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