EP1046965B1 - Uhrwerk mit Schwungmassen-Selbstaufzug - Google Patents

Uhrwerk mit Schwungmassen-Selbstaufzug Download PDF

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Publication number
EP1046965B1
EP1046965B1 EP99810342A EP99810342A EP1046965B1 EP 1046965 B1 EP1046965 B1 EP 1046965B1 EP 99810342 A EP99810342 A EP 99810342A EP 99810342 A EP99810342 A EP 99810342A EP 1046965 B1 EP1046965 B1 EP 1046965B1
Authority
EP
European Patent Office
Prior art keywords
pinions
watch
central part
integral
self
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.)
Expired - Lifetime
Application number
EP99810342A
Other languages
English (en)
French (fr)
Other versions
EP1046965A1 (de
Inventor
Jacques Gabathuler
Cédric Jacot
Christophe Lyner
David Nicolet
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.)
Rolex SA
Original Assignee
Rolex 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 Rolex SA filed Critical Rolex SA
Priority to DE69919509T priority Critical patent/DE69919509T2/de
Priority to EP99810342A priority patent/EP1046965B1/de
Priority to US09/542,077 priority patent/US6409379B1/en
Priority to JP2000127671A priority patent/JP4047516B2/ja
Publication of EP1046965A1 publication Critical patent/EP1046965A1/de
Application granted granted Critical
Publication of EP1046965B1 publication Critical patent/EP1046965B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • G04B5/14—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 both directions
    • 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)
    • G04B11/008—Clutch mechanism between two rotating members with transfer of movement in only one direction (free running devices) with friction members, e.g. click springs or jumper

Definitions

  • the present invention relates to a winding watch automatic, including an automatic winding weight, having a central part surrounded by paths of rolling a ball bearing, one of which is integral of said central part and the other is integral positioning means and removable attachment to the frame of the watch, a train of reducing gears to connect this mass of automatic winding to a barrel shaft and a reversing mechanism, to transform the movement of bidirectional rotation of said automatic winding weight in a unidirectional rotational movement, transmitted to said barrel tree.
  • a watch of this type has already been proposed in the CH 1237-1269.
  • This watch has a double clutch mechanism unidirectional formed by two stressed discs each by an eccentric force exerted by a driving finger so that each disc is locked against the surface interior of a drum secured to the oscillating weight in one direction of rotation and slides in the other direction of rotation, the two discs working in opposite direction one the other.
  • These driving fingers are integral with two independent coaxial gears meshing with the cog of reassembly of the barrel.
  • Such a mechanism is relatively complex and delicate, especially for a small caliber such than a ladies' caliber.
  • a typical example of this accumulation of mobiles at center of movement is illustrated for example in CH-363 298, in which, in addition to the indicator cog of the watch necessarily placed in the center of the movement, we must add a bridge for fixing the mass pivot shaft of automatic winding, the board of this mass of automatic winding pivotally mounted on this shaft, and two inverters between this bridge and this ground board of automatic winding, unidirectional drive system of each of these inverters, as well as the spaces necessary between these different superimposed elements to allow them to rotate around this same pivot axis.
  • the reversing mechanism is mounted coaxially on the axis of barrel.
  • the volume which can thus be subtracted from the barrel to accommodate the mainspring reduces energy likely to be stored in it.
  • the object of the present invention is to remedy, less in part, to the various drawbacks mentioned above, in in particular reducing the size of the winding mechanism automatic and allowing more rational use of space, especially at the center of the movement.
  • this invention relates to a watch with automatic winding as defined in the claim 1.
  • One of the main advantages of this invention is to use a large diameter ball bearing, allowing to provide a substantial volume in the center of the movement to accommodate the reversing mechanism.
  • the space gained at the center of the movement does not require increasing the movement height, since the raceways of the ball bearing, used for pivoting the mass of automatic winding on the watch frame, surround the reversing mechanism and can therefore occur naturally on the same level as him. This provision therefore allows space saving in height, since it avoids overlapping above.
  • the central part of the frame of the watch is no longer occupied by the pivoting members of the automatic winding weight which are distant outward, although its pivot axis coincides with the center of the movement and that the diameter of this mass therefore remains maximum.
  • the gears of the reversing mechanism and therefore those who drive the gear train can therefore have a small diameter, since the central part of the movement is thus released and that these gables are inside and no longer outside of the ball bearing. Having drive sprockets small diameter gear train allows to reduce the number of mobiles in the reduction gear train, since these gables already constitute a first stage of reduction.
  • the fact that inverters are integral with the oscillating mass also allows limit the blind spot, when reversing the direction of rotation of the automatic winding weight, to that of reverse gears.
  • the gear train can also occupy a relatively clustered position around the center of the movement and thus leave the periphery free for mass automatic winding.
  • the couple that can be transmitted by this is indeed a function of its inertia and, by consequently, of the mass which is located far from its axis of pivoting.
  • the present invention therefore saves space also in plan, thanks to the grouping of the cog in the center and the reduced number of mobiles in the gear train.
  • This winding mechanism includes a winding mass automatic formed of two parts, one central 2 to which an external part 1 in the general shape of a semicircle is fixed.
  • the external part 1 presents a central opening 1a, engaged on an annular bearing 2a of the central part 2 ( Figure 2).
  • An annular face oblique delimits, with the bearing 2a, a projection 2b.
  • This oblique face of the projection 2b serves as a bearing surface for allow to create, using an appropriate tool, a centripetal deformation on the surface 2a on which the opening 1a is adjusted, thus making it possible to fix one to the other the two parts 1 and 2 forming the winding weight automatic.
  • a ball bearing 3 is provided around the central part 2.
  • a path of internal bearing 3a is provided, on the one hand at the periphery of this central part 2, on the other hand at the periphery of a ring 4 driven out on a cylindrical portion 2c of the central part 2 and used to retain a bearing ring 3c.
  • An external raceway 3b is provided in an opening of an annular positioning member 5 and fixing to a bridge 6 of the watch frame, provided with a cylindrical opening 6a ( Figure 2) to receive a surface cylindrical complementary 5th of the annular member 5.
  • the organ ring 5 still has at least two fixing lugs diametrically opposed 5a, 5b ( Figure 3), which extend to the outside of its cylindrical surface 5e.
  • These legs fixing 5a, 5b are crossed by openings 5c, 5d surrounded by respective screw grooves, to allow fix these tabs 5a, 5b to the bridge 6 of the watch frame ( Figure 1) by means of screws 22, one of which is visible on the figure 2.
  • a tubular portion 2d is formed concentrically with the axis of rotation of the central part 2 of the mass of automatic winding and extends downwards.
  • a first inverter 7 is arranged in a 2nd groove (FIG. 3) formed concentrically with the pivot axis of this mass of automatic winding, on the upper side of the part central 2.
  • This first inverter 7 (FIG. 2) has a tubular pivoting part 7a, engaged in the passage cylindrical of the tubular portion 2d which serves as bearing.
  • a second inverter 8, integral with a pinion 9 is engaged from below on the external cylindrical surface of the tubular portion 2d which serves as its bearing.
  • a pinion 10, integral with a threaded rod 10a, is screwed from underneath inside the tubular part of the first reverser 7, having a thread 7b complementary to the rod thread 10a. This assembly allows to join this pinion 10 with this reverser 7 and to retain axially the reverser 8 and the pinion 9 on the tubular element 2d, while leaving them free to rotate.
  • Each reverser 7, 8 is engaged with a pinion satellite 11, respectively 12, pivotally mounted on a post 13, respectively 14. These tenons 13, 14 are driven out from the top, respectively from below the part central 2 of the winding weight.
  • the teeth of each satellite pinion 11, 12 has a shape which does not allow, each satellite reverser-pinion system 7, 11; 8, 12 of ne rotate that in one direction, the rotation of the respective satellites 11, 12 in the opposite direction, causing the blocking of respective inverters 7, 8, which thus become integral in rotation of the winding weight 1, 2.
  • the two inverters 7, 8 and their respective satellites 11, 12 are mounted coaxially with the pivot axis of the self-winding weight, but their pivot axes respective are sort of turned 180 ° one compared to each other.
  • their respective relative rotations are reversed with respect to the common axis of rotation, when observes them from the same side of the automatic winding weight.
  • the self-winding weight 1, 2 therefore carries its center two pinions 9, 10 whose diameters can be small since the pivoting of the mass is around the central part 2 carrying the reversing mechanism. This allows to have a reduction directly to from winding weight 1, 2 and back and forth rotation thereof.
  • the reversing mechanism forms a single module, mounted on the central part 2 of the automatic winding weight. So to remove it, unscrew the two screws which fix the tabs 5a, 5b of the annular fixing member 5 to frame 6 of the watch. This allows very easy access to this mechanism for cleaning, lubricating and for carry out control operations.
  • the two satellites 11, 12 being identical, there is no no risk of error between the one above and below. Their pivoting on tenons 13, 14 does not generate cantilevered. The fixing by these chased tenons removes the risk of losing these small satellite gears 11, 12.
  • cutting the teeth of the entire mechanism can be obtained by generation. This allows to realize finer teeth than by cutting. Cutting per generation is more precise than cutting, as well from the point of view of the regularity of the profile of the teeth that of wheel diameter. It also gives a better state of tooth surface. Manufacturing tolerances can therefore be reduced, thereby increasing the range in which the reversing system can work properly.
  • Blind spots when changing direction of rotation of the automatic winding weight 1, 2 are directly those of the planet gears and can be adjusted in particular by the pitch chosen for the teeth, or by the number of satellites 11, 12 working with inverters 7 and 8.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Transmission Devices (AREA)

Claims (7)

  1. Uhr mit Aufzugautomatik, eine Schwungmasse für die Aufzugautomatik (1, 2), die einen zentralen Teil (2) aufweist, der von Laufringen (3a, 3b) eines Kugellagers (3) umgeben ist, von denen einer (3a) fest mit dem zentralen Teil (2), der andere (3b) mit Mitteln zur Positionierung und lösbaren Befestigung (5 - 5e) am Werkgestell (6) der Uhr verbunden ist, ein Untersetzungsgetriebe (15 - 18), um diese Masse für die Aufzugautomatik (1, 2) mit einer Federwelle (19) zu verbinden, und eine Umsteuervorrichtung (7 - 12) umfassend, um die zweiseitig gerichtete Drehbewegung der Masse für die Aufzugautomatik (1, 2) in eine einseitig gerichtete Drehbewegung umzuformen, die an die Federwelle (19) übertragen wird, dadurch gekennzeichnet, dass die ersten beiden Ritzel (7, 8) der Umsteuervorrichtung konzentrisch zu dem zentralen Teil (2) frei drehbar sind, wobei jedes dieser ersten Ritzel (7, 8) mit einem Planetenrad (11, 12) im Eingriff steht, dessen Drehachse fest mit dem zentralen Teil (2) verbunden ist und dessen Verzahnung so ausgebildet ist, dass sie nur einseitig gerichtete Drehungen der ersten Ritzel (7, 8) in zwei entgegengesetzten Richtungen zulässt und diese ersten Ritzel in den anderen, umgekehrten Drehrichtungen mit dem zentralen Teil (2) kraftschlüssig macht, wobei diese ersten Ritzel (7, 8) fest mit zwei entsprechenden zweiten Ritzeln (10, 9) verbunden sind, die mit zwei entsprechenden Laufrädern (15, 16) des Getriebes im Eingriff stehen, deren Drehrichtungen einander entgegengesetzt sind.
  2. Uhr nach Anspruch 1, dadurch gekennzeichnet, dass der zentrale Teil (2) der Masse für die Aufzugautomatik einen rohrförmigen Abschnitt (2d) umfasst, dessen Innenseite als Lauffläche für eines der ersten Ritzel (7) der Umsteuervorrichtung dient und dessen Aussenseite als Lauffläche für das andere der ersten Ritzel (8) dieser Umsteuervorrichtung dient.
  3. Uhr nach Anspruch 2, dadurch gekennzeichnet, dass dasjenige der ersten Ritzel (7), das drehbar im Inneren des rohrförmigen Abschnitts (2d) des zentralen Teils (2) montiert ist, zwei gezahnte Organe (7, 10) umfasst, die fest mit den beiden entsprechenden Enden eines Organs (7a) verbunden sind, das drehbar im Inneren des rohrförmigen Abschnitts (2d) montiert ist, wobei eines dieser gezahnten Organe (10) als axialer Anschlag für das zweite der ersten Ritzel (8) dient, das um diesen rohrförmigen Abschnitt (2d) drehbar montiert ist.
  4. Uhr nach Anspruch 3, dadurch gekennzeichnet, dass die gezahnten Organe (7, 10) des ersten, drehbar im Inneren des rohrförmigen Abschnitts (2d) montierten Ritzels fest mit zwei entsprechenden, komplementären Aussengewinden verbunden sind, die dazu dienen, sie durch gegenseitige Verschraubung fest miteinander zu verbinden.
  5. Uhr nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der zentrale Teil (2) der Masse für die Aufzugautomatik einen ringförmigen Vorsprung (2b) aufweist und dass ihr äusserer Teil (1) eine Öffnung (1a) aufweist, die an diesen ringförmigen Vorsprung (2b) angepasst ist, wobei sich die gegenseitige Befestigung dieser beiden Teile (1, 2) aus einer zentripetalen Verformung des ringförmigen Vorsprungs (2b) ergibt und der Abschnitt dieses äusseren Teils (1), der diesen ringförmigen Vorsprung (2a, 2b) umgibt, die Laufringe (3a, 3b) des Kugellagers (3) überdeckt.
  6. Uhr nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass jedes der ersten Ritzel (7, 8) sich im Eingriff mit einem Satellitenrad (11, 12) befindet, dessen Verzahnung so ausgebildet ist, dass sie seine Drehung mit seinem ersten Ritzel (7 bzw. 8) nur in einer Richtung zulässt und dass eine der Umsteuervorrichtungen, die durch ein erstes Ritzel und sein Satellitenrad (7, 11) gebildet wird, spiegelsymmetrisch zur anderen der Umsteuervorrichtungen (8, 12) auf den zentralen Teil (2) montiert ist, so dass ihre jeweiligen Drehrichtungen um die gemeinsame Drehachse einander entgegengesetzt sind.
  7. Uhr gemäss einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Mittel zur Positionierung des Laufrings (3b) zwei komplementäre zylindrische Zentrierflächen (5e, 6a) umfassen und dass die Mittel zur Befestigung zumindest zwei Laschen (5a, 5b) umfassen, die sich an der Aussenseite dieser zylindrischen Zentrierflächen (5e, 6a) erstrecken und mit Öffnungen (5c, 5d) für Befestigungsschrauben versehen sind.
EP99810342A 1999-04-23 1999-04-23 Uhrwerk mit Schwungmassen-Selbstaufzug Expired - Lifetime EP1046965B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE69919509T DE69919509T2 (de) 1999-04-23 1999-04-23 Uhrwerk mit Schwungmassen-Selbstaufzug
EP99810342A EP1046965B1 (de) 1999-04-23 1999-04-23 Uhrwerk mit Schwungmassen-Selbstaufzug
US09/542,077 US6409379B1 (en) 1999-04-23 2000-04-03 Self-winding watch
JP2000127671A JP4047516B2 (ja) 1999-04-23 2000-04-24 自動巻き時計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99810342A EP1046965B1 (de) 1999-04-23 1999-04-23 Uhrwerk mit Schwungmassen-Selbstaufzug

Publications (2)

Publication Number Publication Date
EP1046965A1 EP1046965A1 (de) 2000-10-25
EP1046965B1 true EP1046965B1 (de) 2004-08-18

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EP99810342A Expired - Lifetime EP1046965B1 (de) 1999-04-23 1999-04-23 Uhrwerk mit Schwungmassen-Selbstaufzug

Country Status (4)

Country Link
US (1) US6409379B1 (de)
EP (1) EP1046965B1 (de)
JP (1) JP4047516B2 (de)
DE (1) DE69919509T2 (de)

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EP4198640A1 (de) * 2021-12-15 2023-06-21 Richemont International S.A. Planetengetriebegleichrichter und automatikaufzug für uhren

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CN100362252C (zh) * 2002-08-29 2008-01-16 精工电子有限公司 球轴承及自动上发条时钟
EP1445668B1 (de) * 2003-02-04 2009-07-15 Vaucher Manufacture Fleurier SA Schwungmasse
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CN101446799B (zh) * 2009-01-09 2010-11-24 天津海鸥表业集团有限公司 一种带有既自转又公转的陀飞轮机械手表
ES2423285T3 (es) * 2009-03-03 2013-09-19 Montres Jaquet Droz Sa Dispositivo de desembrague para mecanismo de relojería, y movimiento de reloj comprendiendo este dispositivo
CH701883A1 (fr) * 2009-09-24 2011-03-31 Mps Micro Prec Systems Ag Dispositif d'accouplement.
CH702590B1 (fr) 2010-01-26 2015-03-13 Mps Micro Prec Systems Ag Système de remontage automatique.
EP2466397B1 (de) * 2010-12-20 2013-08-21 Blancpain S.A. Drehteil einer Uhr mit peripherem Antrieb
ES2623896T3 (es) 2014-01-15 2017-07-12 Audemars Piguet (Renaud Et Papi) Sa Inversor para pieza de relojería
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Publication number Priority date Publication date Assignee Title
EP4198640A1 (de) * 2021-12-15 2023-06-21 Richemont International S.A. Planetengetriebegleichrichter und automatikaufzug für uhren

Also Published As

Publication number Publication date
JP4047516B2 (ja) 2008-02-13
EP1046965A1 (de) 2000-10-25
DE69919509D1 (de) 2004-09-23
DE69919509T2 (de) 2005-09-01
US6409379B1 (en) 2002-06-25
JP2000321370A (ja) 2000-11-24

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