EP3779606A1 - Armbanduhr mit automatischem aufzug - Google Patents

Armbanduhr mit automatischem aufzug Download PDF

Info

Publication number
EP3779606A1
EP3779606A1 EP19191994.3A EP19191994A EP3779606A1 EP 3779606 A1 EP3779606 A1 EP 3779606A1 EP 19191994 A EP19191994 A EP 19191994A EP 3779606 A1 EP3779606 A1 EP 3779606A1
Authority
EP
European Patent Office
Prior art keywords
disc
mass
rod
movement
circular section
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
EP19191994.3A
Other languages
English (en)
French (fr)
Other versions
EP3779606B1 (de
Inventor
Ivan Villar
Laurent Kaelin
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP19191994.3A priority Critical patent/EP3779606B1/de
Priority to US16/925,516 priority patent/US11687033B2/en
Priority to JP2020124981A priority patent/JP6960027B2/ja
Priority to CN202010812136.8A priority patent/CN112394626B/zh
Publication of EP3779606A1 publication Critical patent/EP3779606A1/de
Application granted granted Critical
Publication of EP3779606B1 publication Critical patent/EP3779606B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B5/00Automatic winding up
    • G04B5/02Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/04Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is limited
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B5/00Automatic winding up
    • G04B5/02Automatic winding up by self-winding caused by the movement of the watch
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B47/00Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/04Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
    • G04B47/044Movable decorations and parts thereof
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B47/00Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/04Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
    • G04B47/046Changeable decorations and parts thereof, decorations for the case which change the external appearance of the clockwork
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B5/00Automatic winding up
    • G04B5/02Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/16Construction of the weights
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B5/00Automatic winding up
    • G04B5/02Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/16Construction of the weights
    • G04B5/165Weights consisting of several parts
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B5/00Automatic winding up
    • G04B5/02Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/18Supports, suspensions or guide arrangements, for oscillating weights
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B45/00Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/003Inscriptions and pictures moved by hand
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B45/00Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0038Figures or parts thereof moved by the clockwork
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B45/00Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0038Figures or parts thereof moved by the clockwork
    • G04B45/0046Figures or parts thereof moved by the clockwork with oscillating motion, in pocket- or wrist watches
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B45/00Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/02Time pieces of which the clockwork is visible partly or wholly

Definitions

  • the present invention relates to a self-winding horological movement and to a timepiece, such as a wristwatch, equipped with such a movement.
  • the movement of such a watch comprises an oscillating mass which drives a winding gear train connected to the barrel of the watch so as to reset the spring of the barrel while the watch is being worn.
  • the oscillating mass is pivotally mounted, so that the movements of the wearer generate angular oscillations of the mass.
  • the winding gear train is generally provided with an inversion system which ensures that whatever the direction of rotation of the mass, its movement is transformed into a rotation in one direction, suitable for winding the spring.
  • the present invention aims to produce a self-winding watch comprising an oscillating weight, which is provided with a decoration, without suffering from the disadvantages described in the previous paragraph.
  • the invention relates to a self-winding mechanical timepiece movement comprising an oscillating mass rotatably mounted on a part of the timepiece movement, characterized in that a decorative disc is attached to the oscillating mass, said disc decorative being driven in rotation by said oscillating mass.
  • the disc is fixed to a support which comprises a rod inserted in a bore provided in the axis of rotation of the mass.
  • the rod and the bore each comprise a portion of non-circular section corresponding to one another, so that the support and the disc are driven in pivoting by the axis.
  • the disc forms a decoration which covers the entire surface of the movement, without requiring complex technical means.
  • the decorative disc which covers the mass oscillating over 360 ° creates a moving animation visible to the wearer of the watch from the back of a case with a transparent back.
  • the disc is free to move in an axial movement relative to the mass, in particular so that the disc can be easily removed from the mass when the clock movement is outside the watch case. watch.
  • Such a configuration makes it possible not only to be able to easily change the decorative disc as a function of demand, but also not to place excessive stress on the axis of the oscillating mass in the event of impacts.
  • the principle of easily removing the disc and its support from the axis of the oscillating weight facilitates accessibility to movement, especially on screws and casing flanges.
  • a timepiece movement 10 according to one embodiment of the invention is shown in figure 1 .
  • the decorative disc 1 is shown in transparency, so as to visualize the oscillating weight 2 below the disc.
  • Materials that can be used for the disc 1 are, for example, brass, aluminum, sapphire, ceramic or even any plastic material that is sufficiently rigid to maintain its shape.
  • the upper surface of the disc 1 visible to the wearer of the watch may be provided with an illustration such as a drawing or engraving (not shown).
  • the decorative disc 1 is fixed for example by gluing to a support 11 which is driven in rotation by the oscillating mass 2.
  • the support 11 could be produced in brass.
  • the support 11 comprises a circular flat portion 12 and a central rod 13, oriented essentially perpendicular to said circular portion 12.
  • the disc 1 is glued to the upper surface of the circular portion 12, coaxially with respect to the circular portion 12 and of the rod 13.
  • the rod 13 comprises a first portion 13a of square section whose corners are rounded, and a second cylindrical portion of circular section 13b which follows the first portion 13a when the support 11 is oriented with the circular portion 12 towards the top, as shown in the figure 2 .
  • the circular section of the portion 13b is entirely inscribed inside the outer contour of the square section of the portion 13a.
  • the support 11 is inserted by its rod 13 into the axis 14 of the oscillating mass 2, said axis 14 being shown in section at the bottom. figure 3 .
  • the mass 2 is mounted in a fixed manner on the axis 14, for example by riveting, screwing or any other suitable means.
  • the mass 2 is integral with the axis 14, i.e. the mass 2 and the axis 14 form a uniform part.
  • the axis 14 is provided with a central bore 15 comprising two portions which correspond to the respective portions of the rod 13: a portion having the shape of a recess with a square section 15a followed by a cylindrical portion with a circular section 15b.
  • the corresponding portions of the shank 13 and the bore 15 are inserted into each other, as shown in figure 4 .
  • the rod 13 is not fitted tight in the bore 15 but is free to undergo an axial movement by relative to axis 14.
  • the freedom of axial movement of the support 11 is limited by the transparent back 17 of the watch case 18, as illustrated in the figure 5 .
  • the freedom of movement in the axial direction allows the disc 1 to be easily removed from the mass 2 when the movement is outside the box 18 or when the side of the movement carrying the oscillating mass is accessible while it is in the box 18 for example when the bottom is removed.
  • the square section portions 13a and 15a ensure the rotational drive of the disc 1 by the oscillating weight 2. It goes without saying that other shapes of section can be used instead of the square shape of the section of the portions 13a and 15a. Any form of non-circular section and which makes it possible to drive the disk 1 in rotation is possible.
  • the circular section portions 13b and 15b are not always essential. According to other embodiments, the rod 13 and the hole 15 consist entirely of cylindrical portions with a non-circular section. However, if the technology used to manufacture the portions with a non-circular section does not allow high precision to be achieved, the decorative disc 1 risks tilting relative to the hole 15 and the edge of the disc 1 could come into contact with the mass. 2. This is why it is advantageous to provide the portions 13b and 15b with a circular section which they can be produced with greater precision because of their less complex shape. In this way, the circular section portions 13b and 15b, manufactured with high precision, will ensure the guiding of the disc 1 in the axial direction, to prevent the peripheral edge of the decorative disc 1 from coming into contact with the mass 2.
  • the support 11 is provided with a central portion in the form of a cylindrical stud 20 which protrudes from the upper surface of the support 11, and which is arranged in a central opening of the decorative disc 1, facilitating the coaxial assembly of the disc 1 and the support 11.
  • the distal end of the stud 20 comprises an upper surface rounded and the stud 20 protrudes from the upper surface of the disc 1. Therefore, and as illustrated in figure 5 , the contact between the bottom 17 of the watch case 18 and the assembly of the support 11 and of the disc 1 is limited to this rounded surface 20, thus minimizing the friction between said assembly and the bottom 17 of the case 18 and thereby even reducing energy losses when winding the movement by the oscillating weight.
  • the scope of the invention is not limited to the combination of the characteristics of the embodiment shown in the figures.
  • the freedom of axial movement of the disc 1 is preferable but the invention also covers embodiments according to which the disc is held in the axial direction by a suitable fixing means, for example a locking system which locks the rod 13 in. the hole 15.
  • a suitable fixing means for example a locking system which locks the rod 13 in. the hole 15.
  • the connection between the disc 1 and the oscillating mass 2, whether or not allowing axial movement of the disc, could be made by other technical means equivalent to the support 11, the rod 13 and the hole 15.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Toys (AREA)
  • Electric Clocks (AREA)
EP19191994.3A 2019-08-15 2019-08-15 Armbanduhr mit automatischem aufzug Active EP3779606B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19191994.3A EP3779606B1 (de) 2019-08-15 2019-08-15 Armbanduhr mit automatischem aufzug
US16/925,516 US11687033B2 (en) 2019-08-15 2020-07-10 Self-winding watch
JP2020124981A JP6960027B2 (ja) 2019-08-15 2020-07-22 自動巻き携帯時計
CN202010812136.8A CN112394626B (zh) 2019-08-15 2020-08-13 自动上条手表

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19191994.3A EP3779606B1 (de) 2019-08-15 2019-08-15 Armbanduhr mit automatischem aufzug

Publications (2)

Publication Number Publication Date
EP3779606A1 true EP3779606A1 (de) 2021-02-17
EP3779606B1 EP3779606B1 (de) 2023-05-17

Family

ID=67659015

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19191994.3A Active EP3779606B1 (de) 2019-08-15 2019-08-15 Armbanduhr mit automatischem aufzug

Country Status (4)

Country Link
US (1) US11687033B2 (de)
EP (1) EP3779606B1 (de)
JP (1) JP6960027B2 (de)
CN (1) CN112394626B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD959292S1 (en) * 2022-02-07 2022-08-02 Herbert Jennings Wristwatch

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120155229A1 (en) * 2010-12-16 2012-06-21 Akiko Araki Decorative part, timepiece, and manufacturing method of decorative part
EP2737372A1 (de) 2011-07-28 2014-06-04 Cartier Création Studio S.A. Schwungmasse auf der aussenseite eines uhrwerks, uhrwerk mit einer solchen schwungmasse und uhr mit einem solchen schwungmasse
CH707940A1 (fr) * 2013-04-23 2014-10-31 Horlogers Dior Sa Atel Pièce en nacre et procédé de fabrication de telle pièce.
CH707999A1 (fr) 2013-04-23 2014-10-31 Horlogers Dior Sa Atel Pièce horlogère, masse oscillante comprenant une telle pièce, procédé de fabrication d'une telle pièce et procédé de fabrication d'une telle masse.
JP2016099267A (ja) * 2014-11-25 2016-05-30 シチズンホールディングス株式会社 自動巻時計用錘
EP3428737A1 (de) * 2017-07-11 2019-01-16 ETA SA Manufacture Horlogère Suisse Schwungmasse für uhr mit automatikwerk, und uhr, die mit einer solchen schwungmasse ausgestattet ist

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1123737A (ja) 1997-07-02 1999-01-29 Citizen Watch Co Ltd 発電装置付電子時計
JP2000007984A (ja) 1998-06-23 2000-01-11 Kansai Paint Co Ltd 塗料組成物及び塗装鋼板
CH695394A5 (fr) * 2002-03-15 2006-04-28 Zenith Internat S A Masse oscillante pour mouvement horloger automatique.
EP1672441A1 (de) * 2004-12-14 2006-06-21 Giuseppe Chines Uhrzifferblatt mit Schwungmassen
US20060239124A1 (en) * 2005-04-26 2006-10-26 Thumm Gregory B Self-winding timepiece
CN201273991Y (zh) * 2008-08-06 2009-07-15 陈博城 手表机械机芯镶石摆陀
JP5479412B2 (ja) * 2011-07-26 2014-04-23 リズム時計工業株式会社 からくり時計
EP2674818B1 (de) * 2012-06-14 2017-08-02 Blancpain SA. Anzeige auf Schwungmasse eines Uhrwerkes mit automatischem Aufzug
JP6044798B2 (ja) * 2014-11-20 2016-12-14 カシオ計算機株式会社 指針および時計
EP3561610B1 (de) * 2018-04-27 2021-08-04 Montres Jaquet Droz SA Animationsmechanismus eines schmuckelements für eine uhr

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120155229A1 (en) * 2010-12-16 2012-06-21 Akiko Araki Decorative part, timepiece, and manufacturing method of decorative part
EP2737372A1 (de) 2011-07-28 2014-06-04 Cartier Création Studio S.A. Schwungmasse auf der aussenseite eines uhrwerks, uhrwerk mit einer solchen schwungmasse und uhr mit einem solchen schwungmasse
CH707940A1 (fr) * 2013-04-23 2014-10-31 Horlogers Dior Sa Atel Pièce en nacre et procédé de fabrication de telle pièce.
CH707999A1 (fr) 2013-04-23 2014-10-31 Horlogers Dior Sa Atel Pièce horlogère, masse oscillante comprenant une telle pièce, procédé de fabrication d'une telle pièce et procédé de fabrication d'une telle masse.
JP2016099267A (ja) * 2014-11-25 2016-05-30 シチズンホールディングス株式会社 自動巻時計用錘
EP3428737A1 (de) * 2017-07-11 2019-01-16 ETA SA Manufacture Horlogère Suisse Schwungmasse für uhr mit automatikwerk, und uhr, die mit einer solchen schwungmasse ausgestattet ist

Also Published As

Publication number Publication date
US11687033B2 (en) 2023-06-27
CN112394626B (zh) 2021-11-23
CN112394626A (zh) 2021-02-23
JP2021032884A (ja) 2021-03-01
JP6960027B2 (ja) 2021-11-05
EP3779606B1 (de) 2023-05-17
US20210048780A1 (en) 2021-02-18

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