EP3839647B1 - Aufzugseinheit mit moiré-effekt für automatisches uhrwerk - Google Patents

Aufzugseinheit mit moiré-effekt für automatisches uhrwerk Download PDF

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Publication number
EP3839647B1
EP3839647B1 EP19217903.4A EP19217903A EP3839647B1 EP 3839647 B1 EP3839647 B1 EP 3839647B1 EP 19217903 A EP19217903 A EP 19217903A EP 3839647 B1 EP3839647 B1 EP 3839647B1
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EP
European Patent Office
Prior art keywords
winding
mass
assembly
movement
winding assembly
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
EP19217903.4A
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English (en)
French (fr)
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EP3839647A1 (de
Inventor
Loïc OBERSON
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
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Swatch Group Research and Development SA
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Publication date
Application filed by Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP19217903.4A priority Critical patent/EP3839647B1/de
Priority to JP2020190658A priority patent/JP6902149B2/ja
Priority to US17/111,928 priority patent/US11061371B1/en
Priority to CN202011504633.8A priority patent/CN113009803B/zh
Publication of EP3839647A1 publication Critical patent/EP3839647A1/de
Application granted granted Critical
Publication of EP3839647B1 publication Critical patent/EP3839647B1/de
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/16—Construction of the weights
    • 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
    • G04B5/04—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is limited
    • 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
    • G04B45/0007—Light-, colour-, line-, or spot-effects caused by parts or pictures moved by the clockwork
    • 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
    • G04B45/0015—Light-, colour-, line- or spot-effects caused by or on stationary parts
    • 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
    • G04B45/02—Time pieces of which the clockwork is visible partly or wholly
    • 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

Definitions

  • the present invention relates to a moiré effect winding assembly for an automatic timepiece movement. More particularly, the invention relates to such a winding assembly intended to equip a wristwatch having a transparent back.
  • the present invention aims to remedy the drawbacks of the prior art by proposing an oscillating winding weight with a dynamic moiré effect for a timepiece.
  • the subject of the invention is a moiré effect winding assembly for an automatic timepiece movement, as defined in independent claim 1.
  • this winding assembly gives more character to the winding mass and therefore to the timepiece comprising the automatic movement fitted with this assembly.
  • the winding mass comprises amorphous metal, for example a zirconium-based alloy, preferably entirely except for the heavy part.
  • the winding mass comprises a first perforated structure forming the second pattern.
  • the winding mass comprises a ring in which the first structure is assembled.
  • the immobile element comprises a second perforated structure forming the first pattern.
  • the first and the second structure are identical.
  • the first and the second structure have substantially equal dimensions.
  • the first and the second structure have the shape of a multi-strand spiral.
  • the winding mass comprises a high density insert forming the heavy part of the winding mass.
  • the insert comprises a high density material, with a density greater than 10, of preferably greater than 20, for example tungsten or a tungsten alloy.
  • the insert is overmolded on the ring.
  • the invention also relates to a timepiece comprising a case formed of a middle part closed by a glass and an at least partially transparent back and in which is housed a self-winding watch movement, said movement being equipped with 'an oscillating winding assembly as defined above.
  • This assembly 1 is intended to conventionally equip the automatic winding movement 2 of a timepiece, the part comprising in particular a box formed of a middle part closed by a glass and a back at least partially transparent to make the movement 2 visible from the back, and which are not shown in the figure.
  • the assembly 1 comprises an oscillating winding mass 3 movable relative to the movement 2, said winding mass 3 being intended to be mounted for rotation on an axis 25 of the movement 2.
  • the winding mass 1 comprises a heavy part allowing the oscillation of the mass in response to the movement of the timepiece and the force of gravity.
  • the assembly 1 further comprises a stationary element 4 with respect to the movement 2.
  • the stationary element 4 is arranged under the winding mass 3, so that the mobile mass 3 is configured to move above the element motionless.
  • Said stationary element 4 comprises a first relief pattern and the winding mass 3 comprises a second openwork pattern, so as to create a dynamic moiré effect when the winding mass 3 moves on the stationary element 4.
  • the winding mass 3 is preferably circular having radial symmetry. Thus, a continuous visual effect is obtained when moving the winding mass 3 above the stationary element 4.
  • the winding mass 3 comprises a ring 5, and a first structure openwork 7 assembled to the ring 5.
  • the first structure 7 comprises a plurality of through openings 28 defining the second pattern.
  • the first openwork structure 7 is fixed inside the ring 5.
  • the ring 5 and the first structure 7 are arranged in the same plane.
  • the fixed element 4 comprises a second structure 8 in relief forming the first pattern.
  • the second structure 8 is also perforated, to form the relief of the first pattern.
  • the first 7 and the second structure 8 have the shape of a multi-strand spiral 9, 11.
  • the structures each have 8 strands 9, 11, the through openings 28 being defined between two strands 11.
  • Each strand 9, 11 has a lightning bolt shape having at least one drop.
  • the strands 9, 11 have the same shape and are repeated periodically around a central element 12, 16.
  • the strands 9, 11 widen between the central element 12, 16 and the other end of the strands 9, 11.
  • the first 7 and the second structure 8 are similar.
  • the first 7 and the second structure 8 have substantially equal dimensions.
  • the first 7 and the second structure 8 are superimposed.
  • Structures 7, 8 are in the opposite position to each other.
  • the end of each strand 9, 11 of the first structure 7 is fixed inside the ring 5.
  • the ring 5 includes a high density insert 6.
  • the insert 6 is formed of a high density material, preferably with a density greater than 10, or even 20.
  • the high density material is for example tungsten or a tungsten alloy.
  • the insert 6 is preferably overmolded on the ring 5.
  • the insert 6 has the shape of an arc of a circle whose thickness and height correspond to those of the ring, the arc forming an angle between 20 ° and 50°. Other forms of insert 6 are obviously possible.
  • the winding mass 3, here the first structure 7 and the ring 5, is preferably formed of an amorphous metal, except for the heavy part.
  • the amorphous metal is for example a zirconium-based alloy.
  • the amorphous metal is for example injected at high pressure into a mold by a High Pressure Die Casting type process. It is also possible to form an amorphous metal disc, which is then laser cut to form the structure.
  • the immobile element 4 can be made of another material, depending on the visual appearance that is desired.
  • the immobile element 4 is thinner than the winding mass 3, in particular because of the insert 6 of the mass, which makes it thicker.
  • the immobile element 4 and the winding mass 3 are assembled together by the central elements 12, 16, which are associated around the axis 25 of the movement 2.
  • the immobile element 4 does not rotate around of axis 25, while the winding mass 3 can rotate around axis 25 above the stationary element 4.
  • FIG. 3 shows a variant of the previous embodiment.
  • the assembly 10 comprises a winding mass 13 and a fixed element 14 which is similar to the first variant, but whose structures 17, 18 comprise eighteen strands 19, 21.
  • the strands 19, 21 are circular arcs, which widen from the central element 22, 26 to the ring 15.
  • the fixed element 14 also comprises a ring 27 in which the first structure 18 is arranged.
  • the assembly 10 is manufactured and mounted on an axis of a timepiece movement in a manner similar to the first alternative embodiment.
  • the ring includes a high density insert arranged in its mass. The other features of this variant are the same as the first variant.
  • the embodiments of the figures show examples of production of an assembly 1, 10 making it possible to obtain a dynamic moiré effect.
  • the invention is in no way limited to this example, and others embodiments are of course possible. It is for example possible to use classic moiré effect patterns, in which the first structure is provided with parallel ribs and the second structure comprises parallel blades. Moving the blades parallel to the ribs allows you to obtain a moire effect.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Claims (12)

  1. Aufzugsanordnung (1, 10) mit Moiré-Effekt für ein automatisches Uhrwerk (2) einer Uhr, wobei die Anordnung (1, 10) eine schwingende Aufzugsmasse (3, 13) umfasst, die in Bezug auf das Uhrwerk (2) beweglich ist, wobei die Aufzugsmasse (3, 13) dazu bestimmt ist, drehbar auf einer Achse (25) des Uhrwerks (2) montiert zu werden, ein Teil der Aufzugsmasse (3, 13) einen gewichtigen Teil bildet, der die Schwingung der Masse als Reaktion auf die Bewegung der Uhr und die Schwerkraft ermöglicht, wobei die Aufzugsanordnung (1, 10) auch ein unbewegliches Element (4, 14) in Bezug auf das Uhrwerk (2) umfasst, dadurch gekennzeichnet, dass das unbewegliche Element (4, 14) unter der Aufzugsmasse (3, 13) angeordnet ist, wobei die Aufzugsmasse (3, 13) so konfiguriert ist, dass sie sich zumindest teilweise über das unbewegliche Element (4, 14) bewegt, wobei das unbewegliche Element (4, 14) ein erstes Reliefmuster aufweist und die Aufzugsmasse (3, 13) eine Vielzahl von Durchgangsöffnungen (28) aufweist, die ein zweites Muster definieren, so dass ein dynamischer Moiré-Effekt erzeugt wird, wenn sich die Aufzugsmasse (3, 13) über das unbewegliche Element (4, 14) bewegt.
  2. Aufzugsanordnung (1, 10) nach Anspruch 1, dadurch gekennzeichnet, dass die Aufzugsmasse (3, 13) eine erste durchbrochene Struktur (7, 17) aufweist, die das zweite Muster bildet.
  3. Anordnung (1, 10) nach Anspruch 2, dadurch gekennzeichnet, dass die Aufzugsmasse (3, 13) einen Ring (5, 15) aufweist, in dem die erste Struktur (7, 17) montiert ist.
  4. Anordnung (1, 10) nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass das unbewegliche Element (4, 14) eine zweite durchbrochene Struktur (8, 18) umfasst, die das erste Muster bildet.
  5. Anordnung (1, 10) nach Anspruch 4, dadurch gekennzeichnet, dass die erste (7, 17) und die zweite Struktur (8, 18) identisch sind.
  6. Aufzugsanordnung (1, 10) nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die erste und die zweite Struktur im Wesentlichen gleiche Abmessungen haben.
  7. Aufzugsanordnung (1, 10) nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass die erste und die zweite Struktur die Form einer mehrsträngigen Spirale haben.
  8. Aufzugsanordnung (1, 10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Aufzugsmasse (3, 13) einen Einsatz (6) mit hoher Dichte umfasst, der den gewichtigen Teil der Aufzugsmasse (3, 13) bildet.
  9. Aufzugsanordnung (1, 10) nach Anspruch 8, dadurch gekennzeichnet, dass der Einsatz (6) ein Material mit hoher Dichte umfasst, mit einer Dichte von mehr als 10, vorzugsweise mehr als 20, beispielsweise Wolfram oder eine Wolframlegierung.
  10. Aufzugsanordnung (1, 10) nach Anspruch 8 oder 9 in Abhängigkeit von Anspruch 3, dadurch gekennzeichnet, dass der Einsatz (6) auf den Ring (5) aufgeformt ist.
  11. Aufzugsanordnung (1, 10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Aufzugsmasse (3, 13) amorphes Metall, z. B. eine Legierung auf Zirkoniumbasis, umfasst, vorzugsweise vollständig, mit Ausnahme des gewichtigen Teils.
  12. Uhr umfassend ein Gehäuse, das aus einem Gehäusemittelteil besteht, das durch ein Glas und einen zumindest teilweise transparenten Boden verschlossen ist, und in dem ein Uhrwerk mit automatischem Aufzug untergebracht ist, dadurch gekennzeichnet, dass das Uhrwerk mit einer Aufzugsanordnung (1, 10) nach einem der vorhergehenden Ansprüche ausgestattet ist.
EP19217903.4A 2019-12-19 2019-12-19 Aufzugseinheit mit moiré-effekt für automatisches uhrwerk Active EP3839647B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19217903.4A EP3839647B1 (de) 2019-12-19 2019-12-19 Aufzugseinheit mit moiré-effekt für automatisches uhrwerk
JP2020190658A JP6902149B2 (ja) 2019-12-19 2020-11-17 自動計時器ムーブメントのためのモアレ効果巻上げアセンブリ
US17/111,928 US11061371B1 (en) 2019-12-19 2020-12-04 Moiré-effect winding assembly for automatic timepiece movement
CN202011504633.8A CN113009803B (zh) 2019-12-19 2020-12-18 用于自动时计机芯的莫尔效应上条组件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19217903.4A EP3839647B1 (de) 2019-12-19 2019-12-19 Aufzugseinheit mit moiré-effekt für automatisches uhrwerk

Publications (2)

Publication Number Publication Date
EP3839647A1 EP3839647A1 (de) 2021-06-23
EP3839647B1 true EP3839647B1 (de) 2023-10-11

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US (1) US11061371B1 (de)
EP (1) EP3839647B1 (de)
JP (1) JP6902149B2 (de)
CN (1) CN113009803B (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019207322B4 (de) * 2019-05-20 2021-07-29 Siemens Aktiengesellschaft Optische Ablesevorrichtung für ein Zeigerinstrument
EP4339714A1 (de) * 2022-09-19 2024-03-20 Omega SA Uhr, die zur erzeugung einer sequentiellen animation geeignet ist

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1135725A (fr) * 1955-04-05 1957-05-03 Alduc Article d'horlogerie comprenant une décoration changeante
US5586089A (en) * 1994-03-18 1996-12-17 Mcgarvey; John D. Rotational moire timepiece
DE19647715A1 (de) * 1996-11-19 1998-05-20 Goetz Matthias Anzeigegerät
GB0014987D0 (en) * 2000-06-19 2000-08-09 Cardbox Software Ltd Display device
US6660997B2 (en) * 2001-04-26 2003-12-09 Creo Srl Absolute position Moiré type encoder for use in a control system
US20030214885A1 (en) * 2002-05-17 2003-11-20 Summer Powell Electronic time-telling device
FR2852110A1 (fr) * 2003-03-05 2004-09-10 Emmanuel Dietrich Montre-bracelet a remontage par masselotte oscillante
WO2008062247A1 (en) * 2006-10-27 2008-05-29 Emin Gabrielyan Display device
JP5964089B2 (ja) * 2012-03-07 2016-08-03 セイコーインスツル株式会社 時計用回転錘および時計用回転錘を備えた時計
CH707999B1 (fr) * 2013-04-23 2016-11-30 Les Ateliers Horlogers Dior Sa Masse oscillante, procédé de fabrication d'une telle masse et montre comprenant une telle masse.
EP2998801A1 (de) * 2014-09-19 2016-03-23 The Swatch Group Research and Development Ltd. Magnetische Ankerhemmung, und Gangeinstellvorrichtung eines Uhrwerks
EP3407143A1 (de) * 2017-05-24 2018-11-28 Rolex Sa Mechanische verbindungsvorrichtung
EP3428737B1 (de) * 2017-07-11 2021-04-07 ETA SA Manufacture Horlogère Suisse Schwungmasse für uhr mit automatikwerk, und uhr, die mit einer solchen schwungmasse ausgestattet ist

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Publication number Publication date
US20210191324A1 (en) 2021-06-24
US11061371B1 (en) 2021-07-13
EP3839647A1 (de) 2021-06-23
CN113009803A (zh) 2021-06-22
JP6902149B2 (ja) 2021-07-14
CN113009803B (zh) 2022-06-14
JP2021099311A (ja) 2021-07-01

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