EP2214065B1 - Mouvement d'horlogerie muni d'une alarme vibrante - Google Patents

Mouvement d'horlogerie muni d'une alarme vibrante Download PDF

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Publication number
EP2214065B1
EP2214065B1 EP09167567.8A EP09167567A EP2214065B1 EP 2214065 B1 EP2214065 B1 EP 2214065B1 EP 09167567 A EP09167567 A EP 09167567A EP 2214065 B1 EP2214065 B1 EP 2214065B1
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EP
European Patent Office
Prior art keywords
mobile
rotation
wheel
clutch
wheel set
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
EP09167567.8A
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German (de)
English (en)
French (fr)
Other versions
EP2214065A1 (fr
Inventor
Jean-Jacques Born
Cédric Nicolas
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.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development 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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP09167567.8A priority Critical patent/EP2214065B1/fr
Publication of EP2214065A1 publication Critical patent/EP2214065A1/fr
Application granted granted Critical
Publication of EP2214065B1 publication Critical patent/EP2214065B1/fr
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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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/12—Alarm watches to be worn in pockets or on the wrist
    • 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
    • G04B1/12—Driving mechanisms with mainspring with several mainsprings
    • 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
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/006—Clutch mechanism between two rotating members with transfer of movement in only one direction (free running devices)
    • 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
    • G04B25/00—Indicating the time by other means or by combined means
    • G04B25/02—Indicating the time by other means or by combined means by feeling; Clocks or watches for blind persons
    • G04B25/04—Alarm clocks or watches with devices stimulating the skin
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/10—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is not limited
    • G04B5/12—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is not limited acting in one direction only

Definitions

  • the invention relates to watch movements comprising mechanisms using an inertial clutch mechanism, and in particular to self-winding movements comprising vibrating alarm mechanisms comprising a gear train provided with such a clutch, these movements being intended for equip wristwatches, pocket watches or the like.
  • the request for EP2175329 overcomes the drawbacks of the prior art of watches equipped with vibrating alarm mechanisms by providing a self-winding watch movement comprising a vibrating silent alarm mechanism advantageously using elements of the movement and making it possible to produce a vibration of high amplitude . It also provides a watch movement comprising such an alarm device having a particularly simple and inexpensive design to implement in the movement.
  • the present invention more specifically relates to the clutch mechanism that can be used preferentially in the context of the vibrating alarm mechanism described above, and whose coupling offers an alternative to the inverting ratchet wheels known from the prior art. , for which the coupling is selective according to the relative direction of rotation of the mobiles, but does not determine an intrinsic character leading and led to one and the other mobile.
  • the document CH161131 discloses a latching device in which a plate contains at its periphery pivoting members which can engage with stops of a hammer when they deviate by action of the centrifugal force during the rotation of the plate. This However, the device is not suitable for a transmission between different wheels or gears.
  • the invention relates to a clockwork movement comprising a clutch mechanism according to the features of claim 1
  • this clutch mechanism defines a mobile always driving and a mobile still driven, so that the clutch is asymmetrical to the wheels located on either side of each of these wheels : one of the wheels will engage the other, but the opposite will always be impossible.
  • Another advantage is that the clutch is conditioned by the speed of rotation of the driving mobile.
  • the figure 1 represents an exploded perspective view of a watch movement 1 of a wristwatch using the inertial ratchet according to a preferred variant of the invention.
  • the proposed clockwork movement 1 associates a vibrating alarm mechanism with a clockwork movement comprising an automatic winding mechanism, known per se to those skilled in the art.
  • This automatic winding movement mechanism 1 uses the rotation of an oscillating mass 2 to store mechanical energy in a barrel 36 via a gear train 31,32,34 constituting a kinematic chain 3 which meshes with the pinion 21 of the oscillating mass 2, which forms a toothed wheel.
  • this winding mechanism is of the winding type in one direction, thanks to the inverting wheel 31 whose operation will be explained later using in particular the figure 3 .
  • the mobiles 32 and 34 are reduction mobiles each comprising a wheel and a pinion integral and coaxial; they aim at establishing a suitable gear ratio for adjusting the speed of rotation to be obtained at the output of gear train 3 as a function of that of ground gear 21.
  • the reversing wheel 31 is rotatably mounted on the support 5, which has adequate cutouts so that the ground pinion 21 of the oscillating mass 2 meshes with a first toothing 311 of the reversing wheel 31, while a second toothing 312 of the inversion wheel 31 meshes with the wheel of the reduction wheel 32.
  • the inversion wheel 31 forms a "free wheel”: in a first direction of rotation of the oscillating weight 2 , the first toothing of the first mobile 311 of the inversion wheel 31 is coupled to the second toothing of the second mobile 312 of this inversion wheel, whereas in the second direction of rotation of the oscillating mass 2, the first toothing 311 of the inversion wheel 31 is uncoupled from the second toothing 312.
  • the reduction gear 32 is rotatably mounted relative to the support 5, and the pinion of the mobile reduction gear 32 meshes with a wheel of another reduction gear 34, rotatably mounted on a bridge 35 secured to the plate 6.
  • a winding wheel 37 is rotatably mounted relative to the bridge 35 and can be rotated by the user who wants to perform a manual winding of the watch by actuating a rod or a crown provided with a wheel outside grip (not shown).
  • the energy stored in the spring (not shown) of the barrel 36 can therefore be obtained either by rotating the oscillating mass 2 or by manual winding.
  • the movement 1 comprises a vibrating alarm mechanism 4, which comprises a power source 46, an actuating device 48, a kinematic chain 4 and a vibrating element 2.
  • the energy source used for the vibrating alarm mechanism is a second barrel 46, independent of the first barrel 36 used for the gear train.
  • another source of energy for example electrical or electromechanical, to supply the vibrating alarm device of the invention, and / or the normal display of the time.
  • the actuating device is a pawl 48, which makes it possible to lock the barrel 46 in rotation outside the alarm times, but to release it precisely when the alarm is triggered at a fixed time, from preferably adjustable by the user.
  • the pawl 48 pivots to release the rotation of the toothing of the barrel 46.
  • a control device not shown, makes it possible to rotate the ratchet 48 between a lock position, outside the alarm time, and a release position during the alarm time.
  • the vibrating alarm vibrating element is the oscillating mass 2, which is rotated at the output of a kinematic chain 4 driven by the rotation of the barrel 46, and which comprises a clutch mechanism 41 according to a preferred variant. of the invention, described later with reference to Figures 4 to 6 .
  • the vibrating alarm mechanism preferably comprises a first reduction mobile 44 formed of a pinion and a wheel integral in rotation, similarly to the reduction wheels 32,34 of the kinematic chain 3 associated with the automatic winding of the movement. .
  • the pinion of the reduction wheel 44 is located under the wheel of the same mobile and meshes directly with the toothing of the barrel 46.
  • the reduction wheel 44 is rotatably mounted on a bridge 45, integral with the plate 6; its wheel meshes with the pinion of a second reduction wheel 42, also rotatably mounted on the bridge 45.
  • the wheel of the reduction wheel 42 is coupled to the clutch device 41, which comprises a first and a second wheel 411,412 clutch arranged so that the rotation of the first mobile causes the rotation of the second mobile 412.
  • the toothing of the wheel of the reduction wheel 42 meshes with the toothing of the first reduction mobile 411, while the toothing of the second reduction mobile 412 meshes with the mass pinion 21 of the oscillating mass 2.
  • the pawl 48 releases the energy stored in the spring of the barrel 46 and rotates the peripheral toothing of the barrel 46.
  • the maximum energy stored in the barrel 46 and the gear ratios of the work train for the drive train 4 which drives the first clutch mobile 411 can be determined so that the oscillating mass 2, acting as a vibrating element, rotates for about 15 seconds after the alarm is triggered.
  • the gear ratios of the reduction mobiles 42, 44 to determine the ratio of the speeds between the rotation of the barrel 46 and that of the oscillating weight are calculated to be about five times as much. small as those used in the first kinematic chain 3 automatic winding movement 1, which is to determine the ratio of speeds between the barrel providing the power reserve 36 and the oscillating weight.
  • the vibration time can be adjusted by the user, acting on the winding wheel 47, through the consultation of a visual gauge coupled to the barrel 46, and which determines the level of energy stored in the barrel.
  • the figure 2 shows the movement 1 of the figure 1 when all the parts are assembled on the plate 6. Only the oscillating mass 2 is not visible in order to see all the parts that it will cover once fixed to the pinion of mass 21. One sees thus only the support 5 of the oscillating weight 2. As illustrated on figure 2 , it can be seen that the ground pinion 21 meshes with the inverting wheel 31 and the clutch 41, and more precisely the first mobile 311 of the reversing wheel and the second mobile 412 of the clutch 41. The fact that these two mobiles 311 and 412 mesh directly with the mass pinion that they always rotate in the same direction, opposite to the direction of rotation of the oscillating mass 2.
  • the mobile 311 is a moving mobile, which leads automatic winding movement when the oscillating mass rotates in a given direction of rotation S1
  • the mobile 412 is a driven mobile, which is actuated in rotation when the energy of the barrel 46 is released, but never causes rotation of the second mobile 411 of the clutch mechanism.
  • the direction of rotation S1 of the oscillating mass corresponding to the automatic winding of the movement 1 is chosen as opposite to the direction of rotation S2 of the oscillating mass 2 when the alarm is triggered.
  • the mechanical energy of the cylinder 46 causes, via the second kinematic chain 4, the rotation of said oscillating mass 2 in the opposite direction to that actuating the winding of the first cylinder 36 via the wheel reverser 31 makes it possible to minimize the torque necessary for driving the ground gear 2 during the trip alarm, and therefore obtain, for a given energy stored in the barrel, a longer vibration period.
  • the elements numbered 31,32 34 constitute the kinematic chain of automatic winding of the movement 1, to store the mechanical energy in the barrel 36.
  • the first mobile 311 of the inverting wheel drives in rotation the second mobile 312, which in turn drives the wheel of a first reduction mobile 32 mounted on a bridge 35.
  • the pinion of the first reduction mobile 32 located under the wheel of the same mobile 32, drives the wheel of the second mobile reduction 34, rotatably mounted on the same bridge.
  • the pinion of this second reduction wheel 34 located above the wheel of the same mobile 34, drives the ratchet wheel 33 of the barrel.
  • the ratchet wheel 33 of the barrel 36 also meshes with the teeth of the winding wheel 37, to manually raise the movement 1.
  • the second kinematic chain 44, 42, 41 makes it possible to transform the energy of the barrel 46 in rotation of the oscillating mass 2.
  • the barrel 46 which, once rotated as soon as the pawl 48 is released from one of the teeth of the toothing, meshes with the pinion of the reduction gear 44 located below the wheel of the same mobile visible on the Figures 2 and 3 , and which is rotatably mounted on the bridge 45.
  • the wheel of the same mobile 44 meshes with the pinion of the second reduction wheel 42, also rotatably mounted on the bridge 45.
  • the wheel of this same wheel meshes with the ratchet wheel inertial 41, which constitutes the clutch mechanism according to a preferred embodiment of the invention and will be described in more detail with the aid of the following figures.
  • the wheel of the reduction wheel 42 meshes more precisely with a pinion 417, illustrated later on in FIG.
  • the kinematic chain 4 therefore allows to release the energy of the barrel 46 and not to store in it.
  • the gear of the alarm mechanism does not have, like that associated with the barrel 36, automatic winding mechanism, but only a manual winding mechanism.
  • using the winding wheel 47 which meshes with the ratchet wheel 43 of the barrel 46, for example by actuating an outer wheel, as explained previously in the description.
  • no automatic winding mechanism is provided according to the preferred embodiment illustrated, it will however be possible to add one, for example by means of an additional gear train; this will however have the disadvantage of requiring more space in the housing.
  • the figure 3 shows the movement of the figure 2 in section at the support 5 of the oscillating mass, to better show the operation of the clutch mechanism 41 according to the invention and the inside of the inverting wheel 31. All other components of the movement are identical to those illustrated on the figure 2 .
  • the inverting wheel 31 meshes with the ground pinion 21 of the oscillating mass 2, but actuates the winding of the movement 1 only for a given direction of rotation of the ground pinion 21, illustrated by the direction S1 on the Fig.
  • the inverting wheel comprises a first driving mobile 311 and a mobile 312 which is driven by a freewheel type ratchet system.
  • tenons on which pawls 313 are mounted are fixed on the first mobile 311, while abutments 315 are formed on the periphery of the second mobile 312, which is also integral with a star hub 314 on its axis. rotation.
  • the pawl arms 313 cooperate with the hub 314 and the stops 315 such that they rotate the second mobile for the direction of rotation S1, and declick in the opposite direction of rotation S2.
  • the clutch mechanism 41 consists of an inertial ratchet wheel, the following elements of which are seen in section (NB: the references below are given with reference to FIG. figure 4 , which is an enlargement): a hub 415, in the center, associated with the first clutch mobile 411, on which are fixed flexible strips 414 whose ends are mounted 413 flyweights When the first clutch mobile 411 is rotated by the action of the reduction wheel 42 acting on the pinion 417, the flyweights 413 are attracted radially to outside. The flexibility of the blades 414 allows these weights 413 to move radially outwards; they then come into engagement with stops 416 secured to the second clutch mobile, which is then rotated.
  • the Figures 4 to 6 show in more detail the operation of the inertial ratchet wheel 41 according to the invention.
  • the figure 4 is an enlargement of the figure 3 focusing on this clutch mechanism 41 that constitutes the illustrated inertial ratchet wheel.
  • the hub 415 in the center the lamellae 414, the flyweights 413, which are integral with the first mobile 411, as well as the stops 416, integral with the second mobile 412, whose external toothing which meshes with the mass pinion 21 is shown.
  • the stops 416 and the teeth of the second clutch mobile 412 are not located in the same plane.
  • the figure 5 shows precisely this mobile 412, seen from above, and its external toothing.
  • the clutch mechanism 41 thus formed is a centrifugal clutch mechanism, comprising an inertial pawl consisting of the lamellae 414 and the flyweights 413, integral. of the hub 415 of the first clutch mobile 411.
  • the engagement with the stops 416, integral with the second clutch mobile 412 only take place when the lamellae 414 extend sufficiently under the effect of the radial acceleration weights 413, determined by the speed of rotation of the hub 415, which is also that of the first mobile 411.
  • This speed must be greater than a minimum threshold to ensure an extension sufficient slats 414 to press the weights against the stops 416; it can be adjusted by calculating inter alia wisely the gear ratio of the driveline 4, and in particular those of reduction mobiles 42,44.
  • the stops 416 are arranged in the inertial ratchet wheel 41 so that the first clutch mobile 411 rotates the second clutch mobile 412 only for a given direction of rotation of the first clutch mobile 411 , which is defined by the direction of rotation of the barrel 46 during the expansion of the spring.
  • the notches are indeed oriented so that the grip is optimal when the first mobile 411 rotates in the opposite direction of clockwise.
  • the stops are arranged in such a way that they allow a catch and a coupling in rotation of the second mobile 412 in any direction of rotation of the first mobile 411, such that so that maximum flexibility is guaranteed for the assembly of the clutch mechanism and are adapted to all types of existing movements 1, in particular in terms of plates 6, toothing of barrels 46, and ratchet orientation 48.
  • the figure 6 illustrates a sectional view along the visible plane AA on the figure 5 of the inertial ratchet wheel 41. It distinguishes the pinion 417, under the first clutch mobile 411, and the hub 415 and the flyweights 413 integral with the first mobile 411. On the top, forming a kind of cover on the first mobile 411, one can see the second mobile 412 and the stops 416 at the outer side walls of the inertial ratchet wheel 41. It is clear from this figure the relative leading-led mobiles 411 and 412 one relative to the other: the rotation of the first clutch mobile 411 causes the rotation of the second clutch mobile 412, but the rotation of the second clutch mobile never causes that of the first clutch mobile 411.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Vibration Prevention Devices (AREA)
  • Mechanical Operated Clutches (AREA)
  • Braking Arrangements (AREA)
EP09167567.8A 2008-12-01 2008-12-01 Mouvement d'horlogerie muni d'une alarme vibrante Active EP2214065B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09167567.8A EP2214065B1 (fr) 2008-12-01 2008-12-01 Mouvement d'horlogerie muni d'une alarme vibrante

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09167567.8A EP2214065B1 (fr) 2008-12-01 2008-12-01 Mouvement d'horlogerie muni d'une alarme vibrante
EP08020803A EP2175329B1 (fr) 2008-12-01 2008-12-01 Mouvement d'horlogerie muni d'une alarme vibrante

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP08020803.6 Division 2008-12-01
EP08020803A Division EP2175329B1 (fr) 2008-12-01 2008-12-01 Mouvement d'horlogerie muni d'une alarme vibrante

Publications (2)

Publication Number Publication Date
EP2214065A1 EP2214065A1 (fr) 2010-08-04
EP2214065B1 true EP2214065B1 (fr) 2017-02-08

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ID=40638152

Family Applications (3)

Application Number Title Priority Date Filing Date
EP09167567.8A Active EP2214065B1 (fr) 2008-12-01 2008-12-01 Mouvement d'horlogerie muni d'une alarme vibrante
EP08020803A Active EP2175329B1 (fr) 2008-12-01 2008-12-01 Mouvement d'horlogerie muni d'une alarme vibrante
EP09177515A Withdrawn EP2192455A1 (fr) 2008-12-01 2009-11-30 Mouvement d'horlogerie muni d'un mécanisme d'embrayage inertiel

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP08020803A Active EP2175329B1 (fr) 2008-12-01 2008-12-01 Mouvement d'horlogerie muni d'une alarme vibrante
EP09177515A Withdrawn EP2192455A1 (fr) 2008-12-01 2009-11-30 Mouvement d'horlogerie muni d'un mécanisme d'embrayage inertiel

Country Status (8)

Country Link
US (2) US8305848B2 (zh)
EP (3) EP2214065B1 (zh)
JP (2) JP5543182B2 (zh)
KR (2) KR101586091B1 (zh)
CN (2) CN101750952B (zh)
AT (1) ATE498860T1 (zh)
DE (1) DE602008005027D1 (zh)
HK (2) HK1145549A1 (zh)

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EP2605079B1 (fr) * 2011-12-13 2014-10-01 ETA SA Manufacture Horlogère Suisse Mouvement d'horlogerie modulaire à modules fonctionnels
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WO2016045806A1 (fr) * 2014-09-25 2016-03-31 The Swatch Group Research And Development Ltd Interaction entre deux composants d'horlogerie
JP6588700B2 (ja) * 2014-12-09 2019-10-09 株式会社メガチップス 補正データ生成方法、画像補正装置および画像補正方法、ならびに、画像補正システム
EP3070540B1 (de) * 2015-03-18 2017-11-15 Glashütter Uhrenbetrieb GmbH Schlagwerk für eine uhr mit einem hammer mit federndem einstellbarem anschlag
ES2657167T3 (es) * 2015-06-11 2018-03-01 Société Anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Inversor de relojería y reloj con remontaje automático que comprende su aplicación
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USD894778S1 (en) * 2018-03-02 2020-09-01 Tudor Watch U.S.A., Llc Watch movement
USD894777S1 (en) * 2018-03-02 2020-09-01 Tudor Watch U.S.A., Llc Watch movement
USD891284S1 (en) * 2018-03-02 2020-07-28 Tudor Watch U.S.A., Llc Watch movement
USD894779S1 (en) * 2018-03-06 2020-09-01 Rolex Watch U.S.A., Inc. Watch movement
DE102019130516B3 (de) * 2019-11-12 2021-04-29 Lange Uhren Gmbh Weckerauslösevorrichtung
EP3865953A1 (fr) * 2020-02-17 2021-08-18 The Swatch Group Research and Development Ltd Masse de remontage oscillante munie d'un element decoratif rotatif pour mouvement automatique d'une piece d'horlogerie
EP3982209B1 (fr) 2020-10-06 2023-06-07 The Swatch Group Research and Development Ltd Dispositif de limitation d'armage d'un barillet d'horlogerie

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HK1145548A1 (en) 2011-04-21
EP2175329B1 (fr) 2011-02-16
US8305848B2 (en) 2012-11-06
DE602008005027D1 (de) 2011-03-31
CN101750957A (zh) 2010-06-23
JP2010127945A (ja) 2010-06-10
KR101586091B1 (ko) 2016-01-15
US20100135127A1 (en) 2010-06-03
KR20100062913A (ko) 2010-06-10
EP2192455A1 (fr) 2010-06-02
ATE498860T1 (de) 2011-03-15
HK1145549A1 (en) 2011-04-21
EP2175329A1 (fr) 2010-04-14
JP5543183B2 (ja) 2014-07-09
KR20100062939A (ko) 2010-06-10
US7896542B2 (en) 2011-03-01
JP2010127944A (ja) 2010-06-10
EP2214065A1 (fr) 2010-08-04
CN101750952A (zh) 2010-06-23
JP5543182B2 (ja) 2014-07-09
CN101750957B (zh) 2013-01-16
CN101750952B (zh) 2013-01-16
US20100135126A1 (en) 2010-06-03

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