EP3599515A1 - Antriebsmechanismus für uhrwerk - Google Patents

Antriebsmechanismus für uhrwerk Download PDF

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Publication number
EP3599515A1
EP3599515A1 EP18185166.8A EP18185166A EP3599515A1 EP 3599515 A1 EP3599515 A1 EP 3599515A1 EP 18185166 A EP18185166 A EP 18185166A EP 3599515 A1 EP3599515 A1 EP 3599515A1
Authority
EP
European Patent Office
Prior art keywords
drive mechanism
mobile
wheel
arm
energy source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18185166.8A
Other languages
English (en)
French (fr)
Other versions
EP3599515B1 (de
Inventor
Johnny BÜHLER
Emmanuel BOUCHET
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.)
Harry Winston SA
Original Assignee
Harry Winston SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harry Winston SA filed Critical Harry Winston SA
Priority to EP18185166.8A priority Critical patent/EP3599515B1/de
Priority to US16/435,607 priority patent/US11493883B2/en
Priority to JP2019114360A priority patent/JP6792672B2/ja
Priority to EP19187588.9A priority patent/EP3599517B1/de
Priority to RU2019123181A priority patent/RU2710974C1/ru
Priority to CN201910672670.0A priority patent/CN110780570B/zh
Publication of EP3599515A1 publication Critical patent/EP3599515A1/de
Priority to US16/912,183 priority patent/US11493884B2/en
Priority to JP2020121197A priority patent/JP7063949B2/ja
Priority to RU2020123925A priority patent/RU2742378C1/ru
Priority to CN202010710207.3A priority patent/CN112286031B/zh
Application granted granted Critical
Publication of EP3599515B1 publication Critical patent/EP3599515B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B1/00—Driving mechanisms
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/16—Barrels; Arbors; Barrel axles
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/02—Driving mechanisms with driving weight
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
    • G04B17/285—Tourbillons or carrousels
    • 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
    • G04B15/00—Escapements
    • G04B15/02—Escapements permanently in contact with the regulating mechanism
    • 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
    • G04B7/00—Combined normal and automatic winding up

Definitions

  • the invention relates to a clockwork drive mechanism, comprising a structure on which is pivotally mounted, around a main axis, an arm carrying a first mechanism, which is pivotally mounted on said arm around a first pivot axis distant from said main axis and comprises a first wheel pivotally mounted around said first pivot axis or a pivot axis which is parallel to it, said arm being subjected to the restoring torque of a first energy source, said drive mechanism further comprising at least a second energy source arranged to subject a third mobile to a restoring torque that comprises said drive mechanism, directly or indirectly through a second mobile mounted to pivot around a second pivot axis.
  • the invention relates to the field of clockwork drive mechanisms, and the field of clockwork display mechanisms.
  • Lovers of horological complications are sensitive to a certain animation of the displays of a timepiece, which can be achieved by retrograde display mechanisms, or by tourbillon mechanisms or the like, which in addition guarantee better insensitivity to the positions. .
  • a bursting of the displays is also appreciated, and makes it possible to offer a new physiognomy of the dial or the mechanism.
  • Retrograde displays are generally limited to driving needles, or more rarely discs.
  • the invention proposes to develop a retrograde drive mechanism which is capable of carrying inertia mobiles much more important than needles, in particular swirls or the like, and therefore to offer entirely new displays.
  • the invention relates to a drive mechanism according to claim 1.
  • the invention also relates to a timepiece comprising at least one such drive mechanism.
  • the invention relates to a clockwork drive mechanism 100, which has the advantage of being able to be used in a watch, or even in a static timepiece, with new functionalities.
  • This drive mechanism 100 comprises a structure 110, such as a plate, bridge or the like, on which is mounted an arm 1 pivoting about a main axis D0.
  • This arm 1 carries a first mechanism which constitutes a satellite 10, which is pivotally mounted on the arm 1 around a first pivot axis D1, which is distant from the main axis D0.
  • This satellite 10 comprises a first wheel 11, which is pivotally mounted around the first pivot axis D1 or a secondary pivot axis D11 which is parallel to it.
  • the arm 1 is subjected to the return torque of a first energy source 12, such as a barrel, a weight system, or the like.
  • a first energy source 12 such as a barrel, a weight system, or the like.
  • the drive mechanism 100 also comprises at least a second energy source 22, which is arranged to subject a third mobile 3 to a restoring torque 3 which the drive mechanism 100 includes, directly or indirectly through a second mobile 2 pivotally mounted around a second pivot axis D2, as in the particular non-limiting variant illustrated in the figures.
  • This second energy source 22 is the main energy source, and it is arranged to store more energy than the first energy source 12.
  • the first wheel 11 is arranged to roll on the third mobile 3 in a regular advance rolling movement, under the action of the restoring torque of the first energy source 12.
  • the satellite 10 thus constitutes a planetary mobile, which rotates around the third mobile 3, around the main axis D0, always in the same direction, according to the arrow G (clockwise on the figure 1 ), and at constant speed.
  • the third mobile 3 is arranged to remain in a fixed position during a first elementary stroke of the satellite 10, and to perform a rotation, and in particular a rapid rotation, always in one direction, that of the anti-clockwise arrow B on the figures 1 and 2 , during a second elementary race of the race of the satellite 10, under the action of the second energy source 22.
  • the satellite 10 is or includes a regulating member 15.
  • the first wheel drives an element of this regulating member 15. More particularly, this regulating member 15 is a whirlwind 150 or a carousel. More particularly still, the first wheel 11 drives the cage of this tourbillon 150 or carousel, or constitutes this cage.
  • the arm 1 moves in the direction of the arrow E under the action of the first energy source 12 relative to the third mobile 3 when the latter is stopped, while that, when the third mobile 3 is recalled under the action of the second energy source 22, the arm 1, which is carried by the third mobile 3, moves retrograde in the direction of the arrow F, with respect to to the fixed structure 110, during the second elementary race of the satellite 10.
  • the axis D1 Due to the successive rotations of the arm in the first direction of advance along the arrow E, and in the second reverse direction along the arrow F, the axis D1 performs a limited angular travel around the main axis D0.
  • the first elementary race of the satellite 10 is much greater than the second elementary race of the race, in particular more than twenty times greater than the latter.
  • the complete cycle lasts one minute, with fifty-eight seconds of slow speed travel of arm 1 in the first elementary race, and two seconds of rapid return of arm 1 in the first elementary race.
  • the invention however makes it possible to otherwise modulate the ratio between the first part of the race and the second elementary race of the race, it is for example imaginable to obtain a first elementary race and a second elementary race equal.
  • the drive mechanism 100 includes stop means 120, which are fixed to the structure 110, and which are more particularly arranged to cooperate with complementary stop means 123 that includes the third mobile 3 for maintaining it in position, or that includes another external mobile engaging directly or indirectly with the third mobile 3.
  • the stop means 120 more particularly comprise a trigger lever, which is arranged to cooperate successively with pins distributed on the third mobile 3, and which constitute these complementary stop means 123 in the nonlimiting example illustrated by the figures 1 and 2 .
  • these pins are arranged angularly in a regular manner. It is nevertheless possible to design other angular spacings, to produce particular displays.
  • stop means 120 are disengageable, under the action of declutching control means 13 that comprises the arm 1, when the first wheel 11 ends its first elementary stroke, to allow the pivoting of the third. mobile 3 in one direction (counterclockwise arrow B) under the action of the second energy source 22 by causing a retrograde rotation of the arm 1 until the start of its angular travel.
  • the third mobile 3 When the third mobile 3 is stopped in an angular stop position, the first wheel 11 performs a first elementary stroke, and the arm 1 moves in angular stroke in advance at a slow speed which is its display speed .
  • the declutching control means 13 disengage the stop means 120, and the third mobile 3 is then free and subjected to the torque of the second energy source 22, directly or through the second mobile 2 depending on the construction variant selected.
  • the third mobile 3 then performs a rotation, and more particularly a sudden and almost instantaneous rotation, before returning to another angular abutment position between another pin 123 and the trigger lever 120. And this rotation of the third mobile 3 causes the return retrograde of the arm 1 to its angular start position, and in particular in the case illustrated at an accelerated speed which is much higher than its slow display speed.
  • the first wheel 11 is arranged to roll inside the third mobile 3.
  • Many other configurations are possible, in particular concerning the relative positions of the different pivot axes, with cascades of suitable references.
  • the third mobile 3 to the torque of at least one third energy source, for example in direct engagement.
  • the operation of the drive mechanism 100 is dependent on the level of energy available at the second energy source 22.
  • the second energy source is advantageously recharged by an automatic winding mechanism, not detailed here as well known to those skilled in the art: the first energy source 11 is permanently reset by the second energy source as long as the latter has sufficient energy, this first energy source 11 thus constitutes a buffer, and the drive of the satellite 10 by this first energy source 11 is thus a mechanism known as constant force, or more precisely constant torque.
  • the stop means 120 comprise a rocker, which forms a trigger lever, and which is pivotally mounted on a rocker axis D12, and which is returned in the direction of the arrow D by elastic return means 127, such as spring or similar.
  • This rocker carries a rocker pin 129.
  • the arm 1 comprises a ramp 13, which is arranged to cooperate with the rocker pin 129, at the end of the angular advance travel of the arm 1, and to push the rocker in the direction of the arrow C, which makes it possible to eclipse a beak of the rocker comprising a bearing surface 128, which until then maintained in position a stop pin 123, which comprises the third mobile 3 (which comprises three at 120 ° in this case).
  • the third mobile 3 is then released, and can rotate, its pin 123 previously immobilized being able to pass under the arm 1.
  • the position of the pins 123 directs the triggering, they guarantee the precision of the duration of a period of total travel.
  • the arm 1 comprises limiting means 20, which tend to oppose the driving torque of the first energy source 12, and which are arranged to limit the running speed of the first wheel 11.
  • limiting means 20 which tend to oppose the driving torque of the first energy source 12, and which are arranged to limit the running speed of the first wheel 11.
  • these limiting means 20 are braking and / or friction and / or regulation means. They may in particular include aerodynamic braking means, by eddy currents, or the like.
  • the first street 11 can carry a second hand.
  • the limiting means 20 are means for regulating the running speed of the first wheel 11 around the third mobile 3.
  • the regulating mechanism is preferably at the level of the satellite 10 which constitutes a planetary mobile.
  • the means for regulating the running speed of the first wheel 11 around the third mobile 3 comprise a retainer 17, such as an anchor or the like, and which is arranged to cooperate discontinuously with the first wheel 11, or with a synchronous mobile of the first wheel 11, or with a fourth mobile engaging directly or indirectly with the first wheel 11.
  • the second pivot axis D2 is parallel to the main axis D0 and distinct from it.
  • the third mobile 3 is arranged to pivot around the main axis D0.
  • the satellite 10 constitutes all or part of the limiting means 20, and is a regulating member 15.
  • the regulating member 15 comprises at least one inertial mass 1700 subjected to an alternating pivoting movement by an anchor 170, which comprises the retainer 17, and which is arranged to cooperate with a ratchet 18 driven directly or indirectly by the first wheel 11.
  • the ratchet 18 is coaxial with the first wheel 11.
  • this ratchet 18 is an escape wheel.
  • the regulating member 15. is a tourbillon 150, and the first wheel 11 drives the tourbillon cage 150, or else constitutes the tourbillon cage 150.
  • the axis of the resonator mechanism typically a balance-spring, which comprises the regulating member 15, coincides with the first pivot axis D1.
  • the regulating member 15 is a carousel, and the first wheel 11 drives the cage of the carousel or constitutes the cage of the carousel.
  • the axis of the resonator mechanism typically a balance-spring, which comprises the regulating member 15, is a secondary pivot axis, parallel to the first pivot axis D1, for example located at the distal end of a regulator 19 as illustrated on the figures 1 and 2 .
  • the regulating member 15, whirlpool or carousel, or the like comprises such a regulator 19, which is driven directly or indirectly by the first wheel 1.
  • this regulator 19 is synchronous with the first wheel 11, and is capable of constituting a first display of a first time quantity.
  • the regulator 19 is a tourbillon or carousel cage.
  • Each mobile of the drive mechanism according to the invention can be used for a particular display.
  • the arm 1 constitutes or drives a display of a second temporal magnitude.
  • This arm can carry eccentric displays, for example on stars pivotally mounted on the arm 1.
  • the third mobile 3 constitutes or drives a display of a third temporal magnitude, for example a display of the minutes advancing by jumps.
  • the second mobile 2 constitutes or drives a power reserve display.
  • the drive mechanism according to the invention allows a very lively display of the passage of time, by the very visible rolling of the first wheel 11 on the third mobile 3, and by the periodic retrograde return of the arm 1.
  • Each mobile can be used to carry an off-center display.
  • the invention also relates to a timepiece movement comprising at least one such drive mechanism 100.
  • the invention also relates to a timepiece 1000 comprising at least one such drive mechanism 100, and which in a first variant is a watch.
  • first energy source 12 and / or its second energy source 22 can conventionally comprise at least one barrel, and / or an electromechanical, or other, energy source.
  • the second energy source 22 is recharged by an automatic winding mechanism.
  • the timepiece 1000 is static, and may in particular be a pendulum.
  • Its first energy source 12 and / or its second energy source 22 can conventionally comprise at least one barrel, and / or an electromechanical, or other, energy source.
  • its first energy source 12 and / or its second energy source 22 comprises at least one weight, and this timepiece 1000 then comprises means for winding each weight.
  • the first energy source 12 is a buffer barrel, which means that only the second energy source 22 which feeds the first energy source 12 has to be raised.
  • FIG. 1 The principle of the invention is applicable to many other variants, and to many particular applications.
  • This principle is illustrated, in a simplified manner compared to figures 1 and 2 , by figures 4 to 9 , which comprise only the first energy source 12, illustrated in the form of a simple flat spring, the arm 1 carrying the first wheel 11, and the third mobile 3 on which this first wheel turns 11.
  • a tourbillon carriage carried by the first wheel 11, makes one revolution per minute, the first wheel 11 moves on the third mobile 3 for approximately 18 seconds when the third mobile 3 is still in position fixed, and continues to roll on this third mobile during the two seconds that the retrograde return of 120 ° of the third mobile 3 lasts anticlockwise in these figures.
  • the figure 5 shows the assembly in position just after such a retrograde return; the figure 6 shows an intermediate position X; the figure 7 shows the extreme angular position of arm 1 in time travel, and the figure 8 illustrates the retrograde counterclockwise return of the third mobile (visible by the change in position of the pins 1, 2, 3) and of the arm 1 which it carries.
  • the figure 10 illustrates yet another variant, with an arm 1 forming a winding rake on a winding barrel of the cage arm, constituting the first energy source 12, which leads the arm 1 of the cage; under the effect of its torque, the tourbillon cage is driven and rotated around the circumference of the third mobile 3, the arm 1 moves as a function of the frequency and of the gear ratio.
  • the arm 1 leading the cage moves from its initial position by 0 ° and arrives at its maximum position 120 °.
  • the second energy source 22 is unlocked, here constituted by the barrel of the basic movement of a watch. This barrel is in chain with a reduction mobile 223, and the latter in connection with the third mobile 3.
  • the force of the movement barrel 22 will drive the reduction mobile 223 and in fact will lead the third mobile 3 in anti-rotation 120 ° hourly.
  • the movement in degrees of the third mobile 3 is managed via a gear train 221 and positioned by a stop pin at the level of a position lock 223, this train 221 can be linked either to the reduction mobile 223, or with the movement barrel 22.
  • a regulator with inverter comprising in particular a pinion 110, a ratchet 18, an anchor 170, is in series with the third mobile 3, and allows to adjust the duration of the retrograde return, in particular between 1 and 10 seconds.
  • the first energy source 12 here the spring of the cage arm, rearms
  • the cage continues to operate by moving around the circumference of the third mobile 3.
  • the first energy source 12 here the spring of the cage arm, has a pre-arm giving the torque necessary for the operation of the tourbillon, this force will remain constant.
  • the angular travel of 120 ° in counterclockwise rotation of the third mobile 3 regularly arms the cage arm spring.
  • This arrangement also makes it possible to make the correction of the moon directly by the crown, it is no longer necessary to integrate a corrector integrated into the middle.
  • the invention provides an almost constant driving force to the regulating mechanism, in particular a tourbillon or carousel cage, throughout the power reserve of the main barrel.
  • the figures 11 to 14 illustrate the wide latitude offered by the invention for the positioning of the various displays.
  • the hours and minutes are read on a dial at 12 o'clock, that of the power reserve on a sector with retrograde hand at 9 o'clock, that of the moon and / or day / night display, or even sunset, or other, at 3 o'clock, while the tourbillon has a movement over 120 °, and it is possible to orient the movement of the cage over 120 ° according to a substantially peripheral movement as on the Figures 11 and 14 , or according to a movement around a maximum eccentric axis as on the figures 12 and 13 , with a retrograde movement of the cage respectively from left to right, or from right to left.
  • the value of 120 ° taken for the examples is in no way binding, the angular value depends on the desired hourly running time, the value of the running retrograde is also adjustable, for example between 2 and 5 seconds, and allows to obtain a non-abrupt retrograde return, devoid of shock.
  • the retrograde return is not linked to the frequency of the resonator mechanism, and has no influence on the movement.
  • the third mobile it is possible to equip the third mobile with several satellites 10 on its periphery. It is also possible to design a multi-stage system to manage separate functions.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Electromechanical Clocks (AREA)
  • Retarders (AREA)
  • Transmission Devices (AREA)
EP18185166.8A 2018-07-24 2018-07-24 Antriebsmechanismus für uhrwerk Active EP3599515B1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP18185166.8A EP3599515B1 (de) 2018-07-24 2018-07-24 Antriebsmechanismus für uhrwerk
US16/435,607 US11493883B2 (en) 2018-07-24 2019-06-10 Timepiece drive mechanism
JP2019114360A JP6792672B2 (ja) 2018-07-24 2019-06-20 計時器用駆動機構
EP19187588.9A EP3599517B1 (de) 2018-07-24 2019-07-22 Retrogrades tourbillon oder karussell eines uhrwerks
RU2019123181A RU2710974C1 (ru) 2018-07-24 2019-07-23 Часовой приводной механизм
CN201910672670.0A CN110780570B (zh) 2018-07-24 2019-07-24 钟表驱动机构
US16/912,183 US11493884B2 (en) 2018-07-24 2020-06-25 Timepiece retrograde tourbillon or karussel
JP2020121197A JP7063949B2 (ja) 2018-07-24 2020-07-15 計時器の逆行するツールビロンまたはカルーセル
RU2020123925A RU2742378C1 (ru) 2018-07-24 2020-07-20 Часовой ретроградный турбийон или карусель
CN202010710207.3A CN112286031B (zh) 2018-07-24 2020-07-22 钟表机芯和包括钟表机芯的钟表

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18185166.8A EP3599515B1 (de) 2018-07-24 2018-07-24 Antriebsmechanismus für uhrwerk

Publications (2)

Publication Number Publication Date
EP3599515A1 true EP3599515A1 (de) 2020-01-29
EP3599515B1 EP3599515B1 (de) 2022-07-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18185166.8A Active EP3599515B1 (de) 2018-07-24 2018-07-24 Antriebsmechanismus für uhrwerk

Country Status (5)

Country Link
US (1) US11493883B2 (de)
EP (1) EP3599515B1 (de)
JP (1) JP6792672B2 (de)
CN (1) CN110780570B (de)
RU (1) RU2710974C1 (de)

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Publication number Publication date
CN110780570B (zh) 2021-11-16
JP6792672B2 (ja) 2020-11-25
CN110780570A (zh) 2020-02-11
US20200033806A1 (en) 2020-01-30
RU2710974C1 (ru) 2020-01-14
EP3599515B1 (de) 2022-07-06
JP2020016642A (ja) 2020-01-30
US11493883B2 (en) 2022-11-08

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