EP3765920B1 - Uhr-anzeigemechanismus mit variabler geometrie und elastischem zeiger - Google Patents

Uhr-anzeigemechanismus mit variabler geometrie und elastischem zeiger Download PDF

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Publication number
EP3765920B1
EP3765920B1 EP19742225.6A EP19742225A EP3765920B1 EP 3765920 B1 EP3765920 B1 EP 3765920B1 EP 19742225 A EP19742225 A EP 19742225A EP 3765920 B1 EP3765920 B1 EP 3765920B1
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EP
European Patent Office
Prior art keywords
pipe
input
gear train
hand
wheel set
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Application number
EP19742225.6A
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English (en)
French (fr)
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EP3765920A1 (de
Inventor
Marc Stranczl
Jan Pittet
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Montres Breguet SA
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Montres Breguet SA
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Publication of EP3765920A1 publication Critical patent/EP3765920A1/de
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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
    • 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
    • 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
    • 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
    • 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 variable geometry clock display mechanism, comprising at least one resilient hand which comprises a first drive barrel integral with a first end of a flexible blade, and a second integral drive barrel. of another end of said flexible blade, and which has a display apex or index which, in an unstressed free state of said elastic needle in which both said first barrel and said second barrel are unstressed and are distant from each other, is distant from said first barrel and 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 drive means of said first barrel around said output axis, and second drive means of said second barrel around said output axis, said first drive means and second drive means being arranged to deform said flexible blade, by varying the angular position of said second barrel relative to the angular position of said first barrel around said output axis, and to vary the radial position of said vertex or display index relative to said output axis.
  • the invention also relates to a timepiece movement comprising at least one such display mechanism.
  • the invention also relates to a timepiece comprising at least one timepiece movement comprising at least one such display mechanism.
  • the invention also relates to a scientific apparatus comprising at least one such clockwork movement comprising at least one such display mechanism.
  • the invention relates to the field of analog display mechanisms using moving mechanical components, for timepieces or scientific apparatus.
  • the invention proposes to provide a reliable and very robust solution to the problem of providing an indicator of variable radial extension according to its position and its control.
  • the invention relates to a clockwork display mechanism comprising at least one such elastic hand, which comprises a first drive barrel integral with at least one flexible blade, according to claim 1.
  • the invention also relates to a timepiece movement comprising at least one such display mechanism.
  • the invention also relates to a timepiece comprising at least one such timepiece movement comprising at least one such display mechanism.
  • the invention also relates to a scientific apparatus comprising at least one such clockwork movement comprising at least one such display mechanism.
  • the invention relates to a display indicator for a timepiece or for a scientific apparatus.
  • EP2863274 and EP3159751 in the name of MONTRES BREGUET SA describe a watch display using an elastic hand, and their characteristics can be used directly for producing a display mechanism according to the present invention.
  • the invention is described here in the particular, but not limiting, case of a rotary indicator, and in particular of an elastic needle.
  • the principle is applicable to an indicator provided with a mobility trajectory other than circular, for example to a linear cursor, or the like, in particular in space.
  • the invention is more precisely described for this application of a flexible indicator to a needle, but it is applicable to other forms of indicators, in plan or in three dimensions.
  • drive means comprising cogs are described below, but the invention is equally applicable to analog display means for an electronic or electrical device, a quartz watch or the like.
  • the principle of the invention is to provide a display mechanism, of which at least one indicator, in particular a hand, for example the minute hand for a watch, has a variable length, or a variable radial extension, or a shape variable.
  • the invention relates to a variable geometry watch display mechanism 10, which comprises at least one elastic hand 1.
  • This elastic hand 1 comprises a first drive barrel 2, which is integral with at least one blade. one-piece flexible 3, and a single flexible blade 3 in the particular and non-limiting case of the figures.
  • the display mechanism 10 comprises an input mobile 71, which is arranged to be driven in pivoting about an input axis by a movement 20, and which defines an input angle with respect to a reference direction. .
  • the elastic needle 1 comprises a first drive barrel 2 integral with a first end of a flexible blade 3, and a second drive barrel 4 integral with another end of this flexible blade 3, and the needle elastic 1 comprises a display vertex or index which, in an unconstrained free state of this elastic needle 1 in which both the first barrel 2 and the second barrel 4 are not subjected to any constraint and are spaced apart from one another. the other is distant from the first barrel 2 and from the second barrel 4.
  • the service position of this elastic needle 1 is a constrained position where the first barrel 2 and the second barrel 4 are coaxial with each other around d 'an output axis D.
  • the display mechanism 10 comprises first drive means 11 of the first barrel 2 around the output axis D, and second drive means 13 of the second barrel 4 around this output axis D.
  • first drive means 11 and second drive means 13 are arranged to deform the flexible blade 3, by varying the angular position of the second barrel 4 relative to the angular position of the first barrel 2 around the output axis. D, and to vary the radial position of the vertex or of the display index with respect to the output axis D.
  • the elastic needle 1, and more particularly its flexible blade 3 comprises a plurality of flexible segments 5, 5A, 5B, which are joined end to end at the level of at least one apex 6, arranged to constitute such an index, and preferably two successive flexible segments, are joined by such a top.
  • a first flexible segment 5A of the flexible blade 3 extends between the first barrel 2 and a first vertex 6.
  • the invention is illustrated in the most common case where the needle comprises two flexible segments 5 joined by a single vertex 6, which is used for the display.
  • the display mechanism 10 comprises first means 11 for driving the first barrel 2 around an output axis D, and comprises second means 12 for putting at least the first flexible segment 5 under stress: these second means 12 are arranged to vary the position of at least the first vertex 6 relative to the output axis D.
  • the first vertex 6 is thus at a variable distance from the first barrel 2, depending on the forces applied to the flexible blade 3 by the second means 12 for putting under constraint.
  • the figures 1 to 5 show a particular case of such a mechanism, with an elastic needle 1 comprising a single apex 6, which follows on an upper part of its stroke a circle eccentric with respect to the output axis, and over a lower part of its stroke another circle centered on the output axis.
  • an elastic needle 1 comprising a single apex 6, which follows on an upper part of its stroke a circle eccentric with respect to the output axis, and over a lower part of its stroke another circle centered on the output axis.
  • the mechanism 10 for the same watch in the form of an oval, can also be sized to follow the contour of the case, or any other contour highlighting the product.
  • first drive means 11 and / or the second means 12 for putting under stress, and in particular the second drive means 13 which they comprise, comprise a first form train 111 and / or respectively a second train. of form 131, which is arranged or which are arranged to accelerate or stabilize in speed or slow down at least the first barrel 2, and / or the second barrel 4, over part of its angular travel.
  • first drive means 11 and the second means 12 for putting under stress, and in particular the second drive means 13 which they comprise comprise at least one first shaped gear train 111 and respectively at least one second gear of shape 131 which are arranged to accelerate or stabilize in speed or slow down the first barrel 2, and respectively the second barrel 4, over at least part of the angular travel of the first barrel 2, and respectively of the second barrel 4 .
  • the first drive means 11 and the second means 12 for putting under stress are arranged to drive the elastic needle 1 over the whole of its angular travel around the output axis D, and to give it, in projection on a display plane P or on a dial, and at different angular positions of the elastic needle 1, at least a first shape where the flexible segments 5: 5A, 5B, which the flexible blade 3 comprises do not cross outside of the first canon 2, and at least one second form where the flexible segments 5: 5A, 5B, which the flexible blade 3 comprises cross outside the first barrel 2.
  • this first form is an almond shape
  • this second shape is a heart shape.
  • this needle can successively occupy, over its revolution, an alternation of first shapes and second shapes, for example an almond shape on each of the two ends of the major axis of the ellipse, and a heart shape on each of the two ends of the minor axis of the ellipse.
  • first shapes and second shapes for example an almond shape on each of the two ends of the major axis of the ellipse, and a heart shape on each of the two ends of the minor axis of the ellipse.
  • the elastic needle 1 comprises a second drive barrel 4 also integral with the flexible blade 3.
  • the second means 12 for putting under stress then comprise second drive means 13 of the second barrel 4 in a mounted and stressed state of the 'elastic needle 1.
  • both the first barrel 2 is, advantageously but not necessarily in a prestressed operating state, driven by the first drive means 11, and the second barrel 4 is, advantageously but not necessarily in a prestressed operating state, driven by the second drive means 13.
  • At least one of the vertices 6 is, in an unstressed 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, distant from the first barrel 2 and the second barrel 4, which first barrel 2 and second barrel 4 are spaced from each other in this free state of elastic needle 1.
  • this vertex 6 which joins them is unique.
  • this first flexible segment 5A carries the first barrel 2 at a first end 52
  • this second flexible segment 5B adjoining the first flexible segment 5A carries the second barrel 4 at a second end 54.
  • the first end 52 and the second end 54 are distant from each other, or form a non-zero angle with each other from the junction vertex 6 of the first flexible segment 5A and the second flexible segment 5B.
  • the output of the second drive means 13 of the second barrel 4 is coaxial with the output of the first drive means 11 of the first barrel 2, in the mounted state of the elastic needle 1.
  • This arrangement is not compulsory, however, in particular in the case of a retrograde display, where the axes of the first barrel 2 and of the second barrel 4 can be distinct.
  • the first drive means 11 and the second drive means 13 comprise an accelerator or retarder device, which is arranged to accelerate or stabilize in speed or slow down at least the first gun 2 and / or said second gun 4 over at least part of its angular travel.
  • the first gun 2 has an advance or a delay relative to the value of the entry angle which is symmetrical to the delay or advance of the second gun 4 relative to the entry angle, so that the first vertex 6 always displays, with respect to the output axis D and to the reference, an angle equal to the input angle.
  • the first barrel 2 has an advance or a delay with respect to the value of the entry angle which is, in absolute value, different from the delay or advance of the second barrel 4 with respect to the 'entry angle, so that the first vertex 6 displays, with respect to the exit axis D and to the reference, a variable angle with respect to the entry angle throughout its course.
  • This particular advance and / or delay arrangement relative to the entry barrel allows the hand to point the time (or another display) just on the dial, and in particular for a non-regular display, for example a square trajectory. where the time is separated into twelve equally spaced segments on the square path, which cannot be managed in the same way as twelve indexes separated by 30 °.
  • the needle 1 is arranged to perform a non-retrograde total stroke, and, over the total stroke, the average speed of the first barrel 2 is equal to the average speed of said second barrel 4.
  • the accelerator or retarder device comprises a first shaped gear train 111 and / or respectively a second shaped gear train 131.
  • the accelerator or retarder device comprises a device with a first differential 912 on the drive train of the first barrel 2 and / or a second differential 914 on the drive train of the second gun, and at least one cam 902, 904, constituting an input of such a differential 912, 914.
  • the accelerator or retarder device comprises simple cogs arranged in a suitable manner to effect the required accelerations or decelerations.
  • the first drive means 11 and the second drive means 13 comprise, respectively, at least one first shaped gear train 111 and at least one second shaped gear train 131, which are each arranged or which are arranged to accelerate or stabilize speed or slow down the first gun 2 and respectively the second gun 4 over part of its angular travel.
  • form wheel is meant here that at least one wheel of the wheel is not of revolution; more particularly, at least two antagonistic wheels of this cog are not of revolution, and are arranged to mesh permanently with minimal play with one another at constant center distance.
  • first shaped gear 111 and the second shaped gear 131 are arranged to accelerate or respectively brake the first barrel 2, and to brake or respectively accelerate the second barrel 4 over at least part of the angular travel of the elastic needle 1, or again over only part of the angular travel of elastic needle 1.
  • one of the guns takes an angular advance with respect to the entry angle, while the other gun takes a delay angular with respect to the entry angle.
  • the first gun 2 has an advance or a delay relative to the value of said entry angle which is symmetrical to the delay or advance of the second gun 4 relative to this same entry angle, so that the first vertex 6 always displays, with respect to the exit axis D and to the reference direction, an angle equal to the entry angle.
  • the invention is illustrated in the figures by the particular case of a continuous watch display displaying a full revolution, it will be understood that the invention is applicable to any display, in particular a retrograde display.
  • first shaped gear 111 and the second shaped gear 131 are arranged to symmetrically drive the first barrel 2 and the second barrel 4, so that the first flexible segment 5A and the second flexible segment 5B are symmetrical by relative to a radial from the outlet axis D and passing through the junction vertex 6 between the first flexible segment 5A and the second flexible segment 5B, over at least part of the angular travel of the elastic needle 1.
  • This configuration is not limiting, but it offers the advantage of subjecting the first flexible segment 5A and the second flexible segment 5B to symmetrical stresses.
  • first shaped gear 111 and the second shaped gear 131 each comprise at least one pair of wheels arranged to cooperate in meshing with one another and whose geometric supports, that is to say say the primitive curves, toothings are not of revolution.
  • first drive means 11 and / or the second drive means 13 comprise at least a first gear train stage 115, 135, and a second gear train stage 116, 136, which are each arranged to control a gear train. part of the transformation of shape of the elastic needle 1 over at least part of its angular travel, with a weighting by floor. This weighting makes it possible to distribute part of the deformation on each of the stages, which makes it possible, in each form train, to keep wheels whose geometry is close to a circular geometry, so as to allow suitable meshing of the toothings, and prevent their wear.
  • the shaped cogs are not circular, but must not however be too deformed, that is to say that their shape must allow meshing without arching, and without too much sensitivity to variations in center-to-center distance and to manufacturing tolerances. It is thus possible to avoid the interference defects which would present cut teeth if the primitive curves of the teeth moved too far from the circular shape. It is therefore a question of defining a compromise between a sufficiently noncircular shape to actuate the needle, and a shape resistant to use.
  • each stage participates in the deformation of the needle, but its primitive curves remain close to a circular shape, this is what is called here the weighting per stage, the global accumulation of these stepped cogs making it possible to ensure the desired deformation at the level of the needle.
  • both the first gear train 115, 135, and the second gear train 116, 136 respectively comprise a first gear train 111 and a second gear train 131.
  • the figure 11 shows, again, a conventional hand 101, coaxial with the elastic hand 1, for the display of other information, in particular time.
  • the figures 12 to 14 illustrate more precisely a display mechanism 10 according to a variant not included in the invention, for displaying the minutes with the elastic hand 1.
  • an input mobile 71 is arranged to cooperate with a mobile of output 21 of the clockwork movement 20, along an input axis D0, and is guided on a fixed tube 70.
  • This input mobile 71 which is a roadway, is arranged to drive, directly or through a skidding by friction allowing adjustment of the time setting, a driving roadway 72 which is coaxial with it.
  • This driving carriageway 72 is of revolution, and drives a first shaped wheel 78, which meshes with a second wheel of complementary shape 79 mounted wildly (with take-up of play) around the first axis DA, and which is pivotally secured to a third shaped wheel 80, which meshes with a fourth idler wheel of complementary shape 81, which here pivots around the output axis D of the barrels, and which comprises a roadway 82 for fixing the first barrel 2.
  • the same driving carriageway 72 drives a fifth shaped wheel 73, which meshes with a sixth wheel of complementary shape 74 mounted idly around the second axis DB, and which is pivotally secured to a seventh shaped wheel 75, which meshes with a eighth idler wheel of complementary shape 76, which here pivots around the output axis D of the barrels, and is integral with a shaft 77 on which the second barrel 4 is fixed.
  • Each form wheel has an angular marking so as to ensure the correct indexing of the form wheel, as detailed in figure 26 which details a shaped gear train comprising two wheels 75 and 76 not of revolution, and comprising references 275 and 276 for their relative indexing with respect to each other, as well as oblongs 175 and 176 facilitating their installation, this which makes it possible in particular to secure them and index them by means of a pin or the like.
  • the driving roadway 72 also drives a ninth wheel 91 which comprises a mobile unit pivoting about an hour axis DH, which comprises a pinion 92 driving the wheel 93 of an hour roadway 94 receiving the hour hand 100.
  • the figures 17 to 20 illustrate the construction of the form cogs, which begins with the choice of a law of space to vary the radial length of the needle as a function of the angular difference between its two barrels, figure 7 illustrates the exit angle according to the entry angle for one of the two needle barrels.
  • This law of space allows the calculation of the pitch profiles of the teeth, according to the center distance chosen for their realization, as visible on the figure 18 .
  • the calculation of the leading toothing is then carried out according to the number of teeth defined, and the type of profile chosen, in particular involute or sinus type, depending on the figure 19 , then the calculation of the driven toothing, according to the figure 20 , then allows the cutting of the two wheels to the profile thus defined;
  • the figures 17 and 20 illustrate the law of space, with three successive zones of radial extension of the needle, stabilization of the length of the needle where the ratio between the angle of exit of one of the two barrels and the angle of entry into the mechanism is appreciably constant, and of shortening of the needle.
  • the figure 22 shows the superposition of the three states illustrated by the figures 3 to 5 , and the arrows show a CO contraction phase of hand 1 between the positions at twelve o'clock and four o'clock from its top 6, a phase of ST stability at constant elongation between the positions at four o'clock and at eight o'clock , and a DE relaxation phase between the eight o'clock and twelve o'clock positions.
  • This weighting is made possible by the use of form gears, and in particular mechanisms with several stages of form cogs, which make it possible to impose sufficient angular deflections on the barrels, to allow significant changes of form, and in particular for be able to cross the flexible segments as in the shape of a heart. These shaped cogs make it possible to slow down one gun in relation to the other in complete safety.
  • the wheel of the figure 27 is an example of optimization of the case of this figure 22 ; to correct the trajectories on angles of 140 ° -80 ° -140 ° as illustrated, instead of 120 ° -120 ° -120 ° which would be more balanced, it is necessary, without weighting by particular stage, that is to say - say if the upper stage and the lower stage each perform half of the angular transformation, to design wheels with very strong deformations, and very inclined teeth, difficult to machine, and fragile.
  • Another weighting, for example 20% of the deformation at the lower stage and 80% at the upper stage allows to have wheels closer to a round shape, easier to machine, and with teeth close to the standard , therefore with better kinematic and tribological parameters, and less wear.
  • the figure 23 shows the evolution of the torque between the flexible segments of the elastic needle, as a function of the angle traversed, with a first zone of reduction in length of the elastic needle with consumption of torque, a second phase of maintaining the length of the needle at a substantially constant torque, and a third phase of lengthening the needle with restitution of the torque
  • the figure 24 illustrates the evolution of the torque on a barrel, as a function of the angle of rotation of a barrel
  • the figure 25 shows the radial extension of the needle, as a function of the angle of rotation of a barrel.
  • the elastic needle 1 can be made in different ways.
  • the elastic needle 1 in the free state, extends over a single plane level comprising the first barrel 2 and the second barrel 4, and the elastic needle 1 is then arranged to be mounted twisted in a position service under stress in which the first barrel 2 and the second barrel 4 are superimposed on each other.
  • the elastic needle 1 in the free state, extends over a first plane level comprising the first barrel 2 and over a second plane level comprising the second barrel 4, and comprises a connection zone between the first level plane and the second plane level at the level of a vertex 6 between a first flexible segment 5A carrying the first barrel 2 and a second flexible segment 5B contiguous to the first flexible segment 5A and carrying the second barrel 4, and the elastic needle 1 is arranged to be mounted without twisting in a service position under constraint in which the first barrel 2 and the second barrel 4 are superimposed on one another.
  • the elastic needle 1 when the elastic needle 1 comprises more than two flexible segments 5, in the free state, the elastic needle 1 extends over, at most, as many parallel levels as there are flexible segments 5, and is arranged to be mounted without twisting in a service position under constraint in which the first barrel 2 and the second barrel 4 are superimposed on one another.
  • the elastic needle 1 comprises a breakable element 24 joining the first barrel 2 and the second barrel 4, to facilitate the mounting of the elastic needle 1 on a drive mobile of the first barrel 2 or of the second barrel 4, this breakable element 24 being arranged to be broken and allow the passage of the elastic needle 1 in a service position under constraint in which the first barrel 2 and the second barrel 4 are superimposed on one another .
  • the figure 7 illustrates a particular variant where the elastic needle 1 comprises at least one eye 60, which is arranged to constitute a window for reading an indication appearing on a dial 61 which the mechanism 10 comprises, and in front of which the needle extends elastic 1, or that comprises a clockwork movement 20, on which the mechanism 10 is arranged to be attached.
  • this eye allows to visualize a city in a GMT application, or to distinguish the hour of the morning from 0 to 12 from the hour of the afternoon from 13 to 24, in a particular application where the drive of the display mechanism is made on two revolutions, the first with a certain extension of the elastic hand 1 for the display of the morning hours, and the second with a different extension for the display of the afternoon hours; of course this variant can also accommodate a display by the top 6 of the needle 1, the presence of such an eye 60 provides reading comfort to the user.
  • the figure 7 further illustrates two indexes, interior and exterior, on either side of this eye 60, which also allow particular readings, depending on the dial configuration adopted.
  • One of the great advantages of the invention is to allow great freedom in the design of the dial, and the transfer of certain display areas outside unavailable areas, for example due to the presence of a tourbillon, or else. of another complication.
  • the needle 1 is made of a material that can be micromachined according to a “LIGA” process, in particular of nickel-phosphorus NiP 12 or similar. Such a needle can be golden, or receive another coloring, the adhesion being satisfactory on such a material.
  • the needle 1 can be colored by different processes: PVD, CVD, ALD, galvano, paint, lacquer, or other coating or ionization.
  • the needle 1 may include a gem setting or the like, and / or a decoration by guillochage, engraving, chamfering, or even enamelling, the latter being reserved for areas with low deformation such as the turn of the barrels, a turn of the eye, the tip, or the like.
  • the mechanism 10 constitutes an additional module, which is arranged to be attached to a clockwork movement 20, and the first drive means 11 and the second means 12 for putting under stress comprise a common input 71, which is arranged to be driven by a single outlet 21 that comprises the movement 20, such as the roadway which turns in one hour, or the mobile of the minutes.
  • the mechanism 10 comprises, between on the one hand the input mobile 71 arranged to be driven by the movement 20, and on the other hand the first barrel 2 and / or the second barrel 4, at the level of at least one stage, a cam 902, 904.
  • This cam is arranged to drive a differential 912, 914, a first input of which is formed by the input mobile 71, a second input of which is a mobile, in particular a rake, controlled by this cam 902, 904, and whose output meshes with the transmission gear train to the first barrel 2 or respectively to the second barrel 4.
  • the mechanism 10 comprises, between the input mobile 71 and the first barrel 2 at the level of at least one stage, a single cam 902 arranged to control a first differential 912, a first input of which is constituted by the input mobile 71, a second input of which is a first mobile or a first rake controlled by the cam 902, and whose output meshes with the gear train for transmitting the movement to the first barrel 2, and between the mobile of input 71 and the second barrel 4, the same single cam 902 arranged to drive a second differential 914, a first input of which is formed by the input mobile 71, a second input of which is a second mobile or a second rake controlled by the cam 902, and the output of which meshes with the transmission gear train of the second barrel 4.
  • the mechanism 10 comprises, between the input mobile 71 and the first barrel 2 at the level of at least one stage, a first cam 902 arranged to drive a first differential 912, a first input of which is constituted by the input mobile 71, a second input of which is a first mobile or first rake controlled by the first cam 902, and the output of which meshes with the gear train for transmitting the movement to the first barrel 2; and, between the input mobile 71 and the second barrel 4, a second cam 904 driven by the input mobile and arranged to drive a second differential 914, a first input of which is formed by the input mobile 71, one of which second input is a second mobile or a second rake controlled by the second cam 904, and the output of which meshes with the gear train for transmitting the movement to the second barrel 4.
  • the use of a cam allows strongly non-circular trajectories, and also with jumps of the needle.
  • the use of a single cam for the two differentials makes it possible to perform a simultaneous jump of the two barrels, for example at midnight; the first differential adds the cam information for the first barrel, and the second differential subtracts the information for the second barrel.
  • At least one wheel that comprises the cog mechanism arranged between on the one hand the input mobile 71 arranged to be driven by a movement 20, and on the other hand the first barrel 2 and / or the second barrel 4, at the level of at least one stage, has incomplete toothing, each missing tooth allowing relaxation of the elastic needle 1, by rotation of only one of the barrels 2, 4, during the passage of space corresponding to a missing tooth, or to the missing teeth, so as to control a retraction of the top 6 of the elastic needle 1.
  • a cog comprising one or more, or even all, of the circular wheels, of which at least one circular wheel is devoid of one or more teeth to allow the needle to relax, and to perform a jump. at the end of the so-called display spiral path performed by the top 6 of needle 1. If, for example, the first barrel rotates faster than the second barrel, and if the driving road 72 is locally devoid of teeth, the needle tends to contract, for example over two turns, and, when the missing teeth release the first barrel, the needle tightens but the second barrel does not move, the top of the needle recoils.
  • the advantage of such a variant is that it allows conventional machining of the wheels.
  • the figure 24 shows the very low level of torque consumption for the deformation of such a needle 1 in LIGA, during its shortening, which has only a very slight influence on the rate of the movement. Due to the proximity of the exhaust it is nevertheless advantageous to reduce this disturbance as much as possible, which can be obtained with very thin flexible segments, typically less than 100 micrometers in width and 200 micrometers in height for one. LIGA construction.
  • the curve of torque as a function of the angle is U-shaped with a very flat cup, that it is advantageous, during the design, to choose an angular range of deformation corresponding to the lowest level of the torque curve, so as to minimize the induced parasitic torque, and therefore to minimize the disturbance of the running of the watch.
  • Staged design with special weighting helps to choose the optimal angular ranges. The correct choice of this angular range also makes it possible to thicken the segments 5 of the needle 1 to make it more visible, without significantly increasing its disturbing torque.
  • the disturbance induced on walking is less than that caused by a date change at midnight for a date mechanism.
  • the invention is illustrated in the figures with a simple form, but it can be declined with very different needle forms.
  • an asymmetrical needle composed of two ves overlapping one in the other and of the same directions, each arm of each vee being integral with one of the barrels, and the extreme end of the other arm being linked to the similar end of the other vee.
  • a needle with double arms with two segments joining a first vertex and fixed to the two barrels, and two other segments joining a second vertex remote from the first, and fixed to the same barrels.
  • a needle comprising thickened zones on a middle zone of the flexible segments, for better visualization of the needle.
  • the invention also relates to a timepiece movement 20 comprising at least one such display mechanism 10.
  • the invention also relates to a timepiece 30 comprising at least one timepiece movement 20, comprising at least one such display mechanism 10. More particularly, this timepiece 30 is a watch.
  • the invention also relates to a scientific apparatus comprising at least said clockwork movement 20, comprising at least one such display mechanism 10.

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

Claims (29)

  1. Uhr-Anzeigemechanismus (10) mit variabler Geometrie, umfassend wenigstens einen elastischen Zeiger (1), der eine erste Antriebskanone (2), die mit einem ersten Ende einer biegsamen Lamelle (3) fest verbunden ist, und eine zweite Antriebskanone (4) umfasst, die mit einem anderen Ende der biegsamen Lamelle (3) fest verbunden ist, und der einen Gipfel oder Anzeigeindex umfasst, der in einem freien, unbelasteten Zustand des elastischen Zeigers (1), in dem sowohl die erste Kanone (2) als auch die zweite Kanone (4) keinerlei Belastung ausgesetzt sind und voneinander beabstandet sind, von der ersten Kanone (2) und von der zweiten Kanone (4) beabstandet ist, wobei die Betriebsposition des elastischen Zeigers (1) eine belastete Position ist, wobei die erste Kanone (2) und die zweite Kanone (4) zueinander um eine Ausgangsachse (D) koaxial sind, wobei der Anzeigemechanismus (10) erste Antriebsmittel (11) der ersten Kanone (2) um die Ausgangsachse (D) und zweite Antriebsmittel (13) der zweiten Kanone (4) um die Ausgangsachse (D) umfasst, wobei die ersten Antriebsmittel (11) und zweiten Antriebsmittel (13) angeordnet sind, um die biegsame Lamelle (3) zu verformen, indem man die Winkelposition der zweiten Kanone (4) in Bezug auf die Winkelposition der ersten Kanone (2) um die Ausgangsachse (D) variieren lässt, und um die radiale Position des Gipfels oder Anzeigeindex in Bezug auf die Ausgangsachse (D) variieren zu lassen, wobei die ersten Antriebsmittel (11) und/oder die zweiten Mittel (12) zur Beanspruchung eine Beschleunigungs- oder Bremsvorrichtung umfassen, die angeordnet ist, um wenigstens die erste Kanone (2) und/oder die zweite Kanone (4) über wenigstens einen Teil ihrer Winkelbahn zu beschleunigen oder in der Geschwindigkeit zu stabilisieren oder zu bremsen, dadurch gekennzeichnet, dass die Beschleunigungs- oder Bremsvorrichtung eine Vorrichtung mit einem ersten Differenzial (912) auf dem Antriebsräderwerk der ersten Kanone (2) und/oder ein zweites Differenzial (914) auf dem Antriebsräderwerk der zweiten Kanone umfasst, und wenigstens eine Kurvenscheibe (902, 904), die einen Eingang eines besagten Differenzials (912, 914) bildet.
  2. Uhr-Anzeigemechanismus (10) mit variabler Geometrie nach Anspruch 1, dadurch gekennzeichnet, dass der elastische Zeiger (1) eine Vielzahl von biegsamen Segmenten (5; 5A; 5B) umfasst, die auf Höhe von wenigstens einem besagten Gipfel, der den Anzeigeindex bildet, aneinandergesetzt sind, von denen sich ein erstes biegsames Segment (5A) zwischen der ersten Kanone (2) und einem ersten Gipfel (6) und andererseits der zweiten Kanone (4) erstreckt, wobei der Anzeigemechanismus (10) einen Eingangsdrehteil (71) umfasst, der angeordnet ist, um rund um eine Eingangsachse durch ein Werk (20) in Drehung versetzt zu werden, und der einen Eingangswinkel mit einer Referenz definiert, und umfassend die ersten Antriebsmittel (11) der ersten Kanone (2) um die Ausgangsachse (D) und zweite Mittel (12) zur Beanspruchung wenigstens des ersten biegsamen Segments (5), die angeordnet sind, um die Position wenigstens des ersten Gipfels (6) in Bezug auf die Ausgangsachse (D) variieren zu lassen, wobei sich der erste Gipfel (6) in einem variablen Abstand der ersten Kanone (2) befindet, in Abhängigkeit von Kräften, die auf die biegsame Lamelle (3) durch die zweiten Mittel (12) zur Beanspruchung angewendet werden, wobei die zweiten Mittel (12) zur Beanspruchung die zweiten Antriebsmittel (13) der zweiten Kanone (4) in einem montierten und belasteten Zustand des elastischen Zeigers (1) umfassen, in dem sowohl die erste Kanone (2) durch die ersten Antriebsmittel (11) angetrieben wird als auch die zweite Kanone (4) durch die zweiten Antriebsmittel (13) angetrieben wird.
  3. Mechanismus (10) nach Anspruch 2, dadurch gekennzeichnet, dass die erste Kanone (2) einen Vorgang oder einen Nachgang in Bezug auf den Wert des Eingangswinkels aufweist, der symmetrisch ist zum Nachgang oder zum Vorgang der zweiten Kanone (4) in Bezug auf den Eingangswinkel, sodass der erste Gipfel (6) in Bezug auf die Ausgangsachse (D) und auf die Referenz immer einen Winkel anzeigt, der gleich dem Eingangswinkel ist.
  4. Mechanismus (10) nach Anspruch 2, dadurch gekennzeichnet, dass die erste Kanone (2) einen Vorgang oder einen Nachgang in Bezug auf den Wert des Eingangswinkels aufweist, der sich, als Absolutwert, von dem Nachgang oder dem Vorgang der zweiten Kanone (4) in Bezug auf den Eingangswinkel unterscheidet, sodass der erste Gipfel (6) in Bezug auf die Ausgangsachse (D) und auf die Referenz einen Winkel anzeigt, der in Bezug auf den Eingangswinkel über seine gesamte Bahn variabel ist.
  5. Mechanismus (10) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Zeiger (1) angeordnet ist, um eine nicht rückläufige Gesamtbahn auszuführen, und dass, über die Gesamtbahn, die mittlere Geschwindigkeit der ersten Kanone (2) gleich der mittleren Geschwindigkeit der zweiten Kanone (4) ist.
  6. Mechanismus (10) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Beschleunigungs- oder Bremsvorrichtung ein erstes Formräderwerk (111) und/oder jeweils ein zweites Formräderwerk (131) umfasst.
  7. Mechanismus (10) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die ersten Antriebsmittel (11) und/oder die zweiten Antriebsmittel (13) wenigstens eine erste Räderwerkstufe (115; 135) und eine zweite Räderwerkstufe (116; 136) umfassen, die angeordnet sind, um jeweils einen Teil der Formumwandlung des elastischen Zeigers (1) über einen Teil seiner Winkelbahn zu steuern, mit einer Gewichtung pro Stufe.
  8. Mechanismus (10) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die ersten Antriebsmittel (11) und die zweiten Antriebsmittel (13) jeweils wenigstens ein erstes Formräderwerk (111) und/oder wenigstens ein zweites Formräderwerk (131) umfassen, die jeweils angeordnet sind, um die erste Kanone (2) und jeweils die zweite Kanone (4) über wenigstens einen Teil der Winkelbahn der ersten Kanone (2) und jeweils der zweiten Kanone (4) zu beschleunigen oder in der Geschwindigkeit zu stabilisieren oder zu bremsen.
  9. Mechanismus (10) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die ersten Antriebsmittel (11) und die zweiten Mittel (12) zur Beanspruchung angeordnet sind, um den elastischen Zeiger (1) über die Gesamtheit seiner Winkelbahn um die Ausgangsachse (D) anzutreiben und ihm, in Projektion auf eine Anzeigeebene P oder auf ein Zifferblatt, und in verschiedenen Winkelpositionen des elastischen Zeigers (1), wenigstens eine erste Form zu verleihen, wobei sich die biegsamen Segmente (5; 5A; 5B), welche die biegsame Lamelle (3) umfasst, nicht außerhalb der ersten Kanone (2) kreuzen, und eine zweite Form, wobei sich die biegsamen Segmente (5; 5A; 5B), welche die biegsame Lamelle (3) umfasst, außerhalb der ersten Kanone (2) kreuzen.
  10. Mechanismus (10) nach Anspruch 9, dadurch gekennzeichnet, dass die erste Form eine Mandelform ist und die zweite Form eine Herzform ist.
  11. Mechanismus (10) nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass das erste biegsame Segment (5A) die erste Kanone (2) an einem ersten Ende (52) trägt, ein zweites biegsames Segment (5B), das mit dem ersten biegsamen Segment (5A) verbunden ist, die zweite Kanone (4) an einem zweiten Ende (54) trägt, und dadurch, dass, in dem freien Zustand des biegsamen Zeigers (1), das erste Ende (52) und das zweite Ende (54) voneinander beabstandet sind oder miteinander ausgehend von dem Gipfel (6) zur Verbindung des ersten biegsamen Segments (5A) und des zweiten biegsamen Segments (5B) einen Winkel bilden, der nicht null ist.
  12. Mechanismus (10) nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass der Ausgang der zweiten Antriebsmittel (13) der zweiten Kanone (4) koaxial ist mit dem Ausgang der ersten Antriebsmittel (11) der ersten Kanone (2).
  13. Mechanismus (10) nach Anspruch 6 und einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass das erste Formräderwerk (111) und das zweite Formräderwerk (131) angeordnet sind, um die erste Kanone (2) jeweils zu beschleunigen oder zu bremsen und um die zweite Kanone (4) jeweils zu bremsen oder zu beschleunigen, nur über einen Teil der Winkelbahn des elastischen Zeigers (1).
  14. Mechanismus (10) nach Anspruch 6 und einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass das erste Formräderwerk (111) und das zweite Formräderwerk (131) angeordnet sind, um die erste Kanone (2) und die zweite Kanone (4) symmetrisch zu steuern, sodass das erste biegsame Segment (5A) und das zweite biegsame Segment (5B) in Bezug auf eine Radiale symmetrisch sind, die aus der Ausgangsachse (D) hervorgeht und durch den Gipfel (6) zur Verbindung zwischen dem ersten biegsamen Segment (5A) und dem zweiten biegsamen Segment (5B) verläuft, über wenigstens einen Teil der Winkelbahn des elastischen Zeigers (1).
  15. Mechanismus (10) nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass das erste Formräderwerk (111) und/oder das zweite Formräderwerk (131) jeweils wenigstens ein Paar von Rädern umfassen, die angeordnet sind, um in Eingriff miteinander zusammenzuwirken, und von denen die primitiven Kurven der Zahnungen keine Umdrehung sind.
  16. Mechanismus (10) nach Anspruch 7 und einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass die erste Räderwerkstufe (115; 135) und die zweite Räderwerkstufe (116; 136) jeweils ein besagtes erstes Formräderwerk (111) und ein besagtes zweites Formräderwerk (131) umfassen.
  17. Mechanismus (10) nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, dass sich, im freien Zustand, der elastische Zeiger (1) auf einem ersten ebenen Niveau erstreckt, umfassend die erste Kanone (2), und auf einem zweiten ebenen Niveau, umfassend die zweite Kanone (4), und eine Anschlusszone zwischen dem ersten ebenen Niveau und dem zweiten ebenen Niveau auf Höhe eines besagten Gipfels (6) zwischen einem ersten biegsamen Segment (5A), das die erste Kanone (2) trägt, und einem zweiten biegsamen Segment (5B) umfasst, das mit dem ersten biegsamen Segment (5A) verbunden ist und die zweite Kanone (4) trägt, und dadurch, dass der elastische Zeiger (1) angeordnet ist, um ohne Verdrehung in einer beanspruchten Betriebsposition montiert zu werden, in der die erste Kanone (2) und die zweite Kanone (4) übereinander gelagert sind.
  18. Mechanismus (10) nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, dass sich, im freien Zustand, der elastische Zeiger (1) auf so vielen parallelen Niveaus wie besagte biegesame Segmente (5) erstreckt, und angeordnet ist, um ohne Verdrehung in einer beanspruchten Betriebsposition montiert zu werden, in der die erste Kanone (2) und die zweite Kanone (4) übereinander gelagert sind.
  19. Mechanismus (10) nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, dass sich, im freien Zustand, der elastische Zeiger (1) auf einem einzigen ebenen Niveau erstreckt, umfassend die erste Kanone (2) und die zweite Kanone (4), und dadurch, dass der elastische Zeiger (1) angeordnet ist, um verdreht in einer beanspruchten Betriebsposition montiert zu werden, in der die erste Kanone (2) und die zweite Kanone (4) übereinander gelagert sind.
  20. Mechanismus (10) nach einem der Ansprüche 1 bis 19, dadurch gekennzeichnet, dass, im freien Zustand, der elastische Zeiger (1) ein teilbares Element (24) umfasst, das die erste Kanone (2) und die zweite Kanone (4) verbindet, um die Montage des elastischen Zeigers (1) auf einem Antriebsdrehteil der ersten Kanone (2) oder der zweiten Kanone (4) zu erleichtern, wobei das teilbare Element (24) angeordnet ist, um gebrochen zu werden und den Durchgang des elastischen Zeigers (1) in eine beanspruchte Betriebsposition zuzulassen, in der die erste Kanone (2) und die zweite Kanone (4) übereinander gelagert sind.
  21. Mechanismus (10) nach einem der Ansprüche 1 bis 20, dadurch gekennzeichnet, dass der elastische Zeiger (1) wenigstens ein Auge (60) umfasst, das angeordnet ist, um ein Fensterchen zum Lesen einer Angabe zu bilden, die sich auf einem Zifferblatt (61) befindet, das der Mechanismus (10) umfasst und vor dem sich der elastische Zeiger (1) erstreckt, oder das ein Uhrwerk (20) umfasst, auf dem der Mechanismus (10) angeordnet ist, um angestückt zu werden.
  22. Mechanismus (10) nach einem der Ansprüche 1 bis 21, dadurch gekennzeichnet, dass der Mechanismus (10) ein Zusatzmodul bildet, das angeordnet ist, um auf einem Uhrwerk (20) angestückt zu werden, und dadurch, dass die ersten Antriebsmittel (11) und die zweiten Mittel (12) zur Beanspruchung einen gemeinsamen Eingang (71) umfassen, der angeordnet ist, um von einem einzigen Ausgang (21) angetrieben zu werden, den das Werk (20) umfasst.
  23. Mechanismus (10) nach Anspruch 7 und einem der Ansprüche 1 bis 22, dadurch gekennzeichnet, dass der Mechanismus (10) zwischen einerseits einem Eingangsdrehteil (71), der angeordnet ist, um von einem Werk (20) angetrieben zu werden, und andererseits der ersten Kanone (2) und/oder der zweiten Kanone (4) auf Höhe wenigstens einer besagten Stufe die wenigstens eine Kurvenscheibe (902, 904) umfasst, die angeordnet ist, um ein besagtes Differenzial (912, 914) zu steuern, von dem ein erster Eingang von dem Eingangsdrehteil (71) gebildet wird, von dem ein zweiter Eingang ein Drehteil oder ein Rechen ist, der von der wenigstens einen Kurvenscheibe (902, 904) gesteuert wird, und von dem der Ausgang in das Räderwerk zur Übertragung der Bewegung jeweils auf die erste Kanone (2) oder zweite Kanone (4) eingreift.
  24. Mechanismus (10) nach Anspruch 23, dadurch gekennzeichnet, dass der Mechanismus (10) zwischen dem Eingangsdrehteil (71) und der ersten Kanone (2) auf Höhe wenigstens einer besagten Stufe die wenigstens eine Kurvenscheibe (902) umfasst, die einzig und angeordnet ist, um ein erstes Differenzial (912) zu steuern, von dem ein erster Eingang von dem Eingangsdrehteil (71) gebildet wird, von dem ein zweiter Eingang ein erster Drehteil oder ein erster Rechen ist, der von der Kurvenscheibe (902) gesteuert wird, und von dem der Ausgang in das Räderwerk zur Übertragung der Bewegung auf die erste Kanone (2) eingreift, und wobei zwischen dem Eingangsdrehteil (71) und der zweiten Kanone (4) die gleiche besagte einzige Kurvenscheibe (902) angeordnet ist, um ein zweites Differenzial (914) zu steuern, von dem ein erster Eingang von dem Eingangsdrehteil (71) gebildet wird, von dem ein zweiter Eingang ein zweiter Drehteil oder ein zweiter Rechen ist, der von der Kurvenscheibe (902) gesteuert wird, und von dem der Ausgang in das Räderwerk zur Übertragung der Bewegung auf die zweite Kanone (4) eingreift.
  25. Mechanismus (10) nach Anspruch 23, dadurch gekennzeichnet, dass der Mechanismus (10) zwischen dem Eingangsdrehteil (71) und der ersten Kanone (2) auf Höhe wenigstens einer besagten Stufe eine erste besagte Kurvenscheibe (902) umfasst, die angeordnet ist, um ein erstes Differenzial (912) zu steuern, von dem ein erster Eingang von dem Eingangsdrehteil (71) gebildet wird, von dem ein zweiter Eingang ein erster Drehteil oder ein erster Rechen ist, der von der ersten Kurvenscheibe (902) gesteuert wird, und von dem der Ausgang in das Räderwerk zur Übertragung der Bewegung auf die erste Kanone (2) eingreift, und wobei zwischen dem Eingangsdrehteil (71) und der zweiten Kanone (4) eine zweite besagte Kurvenscheibe (904), die von dem Eingangsdrehteil angetrieben wird, angeordnet ist, um ein zweites Differenzial (914) zu steuern, von dem ein erster Eingang von dem Eingangsdrehteil (71) gebildet wird, von dem ein zweiter Eingang ein zweiter Drehteil oder ein zweiter Rechen ist, der von der zweiten Kurvenscheibe (904) gesteuert wird, und von dem der Ausgang in das Räderwerk zur Übertragung der Bewegung auf die zweite Kanone (4) eingreift.
  26. Mechanismus (10) nach Anspruch 7 und einem der Ansprüche 1 bis 25, dadurch gekennzeichnet, dass wenigstens ein Rad, das der Räderwerkmechanismus umfasst, der zwischen einerseits einem Eingangsdrehteil (71), der angeordnet ist, um von einem Werk (20) angetrieben zu werden, und andererseits der ersten Kanone (2) und/oder der zweiten Kanone (4) angeordnet ist, auf Höhe wenigstens einer besagten Stufe eine unvollständige Zahnung umfasst, wobei jeder fehlende Zahn eine Entspannung des elastischen Zeigers (1) durch Drehen von nur einer der Kanonen (2; 4) beim Durchlaufen des Raums, der einem fehlenden Zahn entspricht, zulässt, sodass ein Rückstoß des Gipfels (6) des elastischen Zeigers (1) gesteuert wird.
  27. Uhrwerk (20), umfassend wenigstens einen Anzeigemechanismus (10) nach einem der Ansprüche 1 bis 26.
  28. Teil für die Uhrmacherei (30), umfassend wenigstens ein Uhrwerk (20) nach Anspruch 27.
  29. Wissenschaftlicher Apparat, umfassend wenigstens ein Uhrwerk (20) nach Anspruch 27.
EP19742225.6A 2018-07-31 2019-07-24 Uhr-anzeigemechanismus mit variabler geometrie und elastischem zeiger Active EP3765920B1 (de)

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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/EP2019/069949 WO2020025424A1 (fr) 2018-07-31 2019-07-24 Mecanisme d'affichage d'horlogerie a geometrie variable avec aiguille elastique

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EP3765920B1 true EP3765920B1 (de) 2021-12-29

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EP19744698.2A Active EP3830649B1 (de) 2018-07-31 2019-07-24 Elastischer zeiger für uhren
EP20176726.6A Active EP3764168B1 (de) 2018-07-31 2020-05-27 Uhr-anzeigemechanismus mit elastischem zeiger
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EP19744698.2A Active EP3830649B1 (de) 2018-07-31 2019-07-24 Elastischer zeiger für uhren
EP20176726.6A Active EP3764168B1 (de) 2018-07-31 2020-05-27 Uhr-anzeigemechanismus mit elastischem zeiger
EP20176720.9A Active EP3764170B1 (de) 2018-07-31 2020-05-27 Uhr-anzeigemechanismus mit elastischem zeiger

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CN112213934B (zh) 2021-11-19
EP3605244B1 (de) 2021-04-21
EP3765919B1 (de) 2024-02-28
CN111902779B (zh) 2022-02-25
JP7050168B2 (ja) 2022-04-07
US11860577B2 (en) 2024-01-02
CN113741164B (zh) 2023-01-10
CN111902778A (zh) 2020-11-06
US11537080B2 (en) 2022-12-27
EP3765919A1 (de) 2021-01-20
US20210223740A1 (en) 2021-07-22
EP3605243A1 (de) 2020-02-05
CN113741163A (zh) 2021-12-03
WO2020025423A1 (fr) 2020-02-06
EP3764168B1 (de) 2022-02-16
US11841685B2 (en) 2023-12-12
EP3764170A1 (de) 2021-01-13
EP3764168A1 (de) 2021-01-13
JP6933743B2 (ja) 2021-09-08
CN111684363A (zh) 2020-09-18
EP3830649B1 (de) 2024-03-20
JP2021515226A (ja) 2021-06-17
EP3765920A1 (de) 2021-01-20
JP7050167B2 (ja) 2022-04-07
CN113741164A (zh) 2021-12-03
JP2021189165A (ja) 2021-12-13
JP2021515224A (ja) 2021-06-17
US11774909B2 (en) 2023-10-03
US20210048782A1 (en) 2021-02-18
JP2021015110A (ja) 2021-02-12
CN111684363B (zh) 2022-01-21
EP3830649A1 (de) 2021-06-09
US11886147B2 (en) 2024-01-30
CN111902778B (zh) 2022-02-25
US20210011433A1 (en) 2021-01-14
WO2020025424A1 (fr) 2020-02-06
JP7181330B2 (ja) 2022-11-30
US20210373497A1 (en) 2021-12-02
JP7212087B2 (ja) 2023-01-24
JP6977179B2 (ja) 2021-12-08
US20210373496A1 (en) 2021-12-02
EP3764170B1 (de) 2022-03-16
WO2020025428A1 (fr) 2020-02-06
CN111902779A (zh) 2020-11-06
US11841684B2 (en) 2023-12-12
JP2021515889A (ja) 2021-06-24
JP2021189163A (ja) 2021-12-13
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