EP3428737B1 - Schwungmasse für uhr mit automatikwerk, und uhr, die mit einer solchen schwungmasse ausgestattet ist - Google Patents

Schwungmasse für uhr mit automatikwerk, und uhr, die mit einer solchen schwungmasse ausgestattet ist Download PDF

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Publication number
EP3428737B1
EP3428737B1 EP17180736.5A EP17180736A EP3428737B1 EP 3428737 B1 EP3428737 B1 EP 3428737B1 EP 17180736 A EP17180736 A EP 17180736A EP 3428737 B1 EP3428737 B1 EP 3428737B1
Authority
EP
European Patent Office
Prior art keywords
movement
connecting element
timepiece
winding weight
winding
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
EP17180736.5A
Other languages
English (en)
French (fr)
Other versions
EP3428737A1 (de
Inventor
Yassine Rachdi
Julien Huser
Ambre Coffin
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 EP17180736.5A priority Critical patent/EP3428737B1/de
Priority to JP2018122736A priority patent/JP6691938B2/ja
Priority to US16/022,907 priority patent/US20190018367A1/en
Priority to CN201821084860.8U priority patent/CN208588904U/zh
Priority to CN201810749566.2A priority patent/CN109240067B/zh
Publication of EP3428737A1 publication Critical patent/EP3428737A1/de
Application granted granted Critical
Publication of EP3428737B1 publication Critical patent/EP3428737B1/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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/18—Supports, suspensions or guide arrangements, for oscillating 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
    • 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
    • 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
    • G04B45/02—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
    • 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
    • G04B5/165—Weights consisting of several parts

Definitions

  • the present invention relates to an oscillating winding mass of a movement of a timepiece with automatic movement. More particularly, the invention relates to such a winding mass intended to equip a wristwatch comprising a transparent case back, said weight being arranged on the side of the case back and allowing the entire movement to be observed at all times.
  • Wristwatches are already known which have cases with a transparent bottom to allow their movement to be observed.
  • these watches include a self-winding movement, the observation of the movement is always truncated by the presence of the oscillating winding mass which, even perforated, as is the case in so-called "skeleton" watches, prevents a comfortable observation of movement.
  • an oscillating winding mass comprising a heavy part fixed to a connecting member arranged to connect said heavy part to an axis integral with a movement, said connecting member being made of a transparent or translucent material.
  • Such an oscillating winding weight allows observation of the movement it equips without any visible obstacle.
  • certain elements of the movement which appear through the oscillating winding weight and the back The transparencies of the watch have their usual metallic appearance, while the rest of the watch can be very colorful.
  • fixed elements of the frame of the movement can be colored without difficulty, it is not the same for mobile elements of the train, such as the elements of the finishing train, of the escapement or of the oscillator. It is complex to give a color to these mobile elements. Indeed, the application of a colored film for example would not make it possible to guarantee the functionality of these elements which require great precision and the least possible friction to function correctly.
  • the document WO 2014/122296 describes a timepiece comprising at least one colored transparent stone and a support comprising at least one opening for receiving this colored transparent stone, the support being made of anodized titanium or anodized aluminum.
  • the coloring of the colored transparent stone is reinforced by that of the support.
  • the object of the present invention is to remedy the drawbacks of the prior art by proposing an oscillating winding mass for a timepiece making it possible to give the elements of the movement which it equips a color without harming the functionality of these elements.
  • the invention relates to an oscillating winding mass for a movement of a timepiece comprising a heavy part fixed to a connecting member intended to connect said heavy part to an axis integral with the movement, said mass being intended to be mounted for rotation on said axis, said connecting member being made of a transparent or translucent material.
  • said connecting member comprises at least one colored filter, said colored filter consisting of a transparent colored film or translucent deposited on at least part of the surface of the connecting member.
  • Said color filter can occupy at least part of the surface of the connecting member.
  • the colored filter occupies the entire surface of the connecting member and is preferably constituted by a colored component provided in the mass of the transparent or translucent material.
  • the invention also relates to a timepiece comprising a case formed of a middle part closed by a crystal and an at least partially transparent back and in which is housed a self-winding timepiece movement, said movement being equipped with an oscillating winding mass as defined above.
  • FIG. 1 a first embodiment of an oscillating winding mass according to the invention, designated by the general reference 1.
  • This mass is intended to conventionally equip the automatic winding movement of a timepiece (not shown) and comprising in particular a case formed of a middle part closed by a crystal and an at least partially transparent back to make the movement visible from the back.
  • the winding mass 1 comprises a heavy part 2 fixed to a connecting member 4 intended to connect the heavy part to an axis (not shown) integral with a clockwork movement, the mass 1 being intended to be mounted for rotation on this axis.
  • the connecting member has in its center an opening 6 in which is driven a ring 8 forming the hub of the mass 1.
  • the connecting member 4 is formed by a solid disc made of a transparent material such as sapphire, which makes it possible to observe the movement through the mass 1.
  • sapphire in a winding mass as a connecting member between the heavy part and the movement goes against the prejudices of the skilled person who, when he has to design a winding mass, always tends to use materials having a large tenacity, that is to say good capacities to absorb the shocks to which the mass is subjected during its rotation.
  • any other transparent or translucent, synthetic or natural material can be used.
  • a polycarbonate suitable for this application can be used. In all cases, the material must at least allow the passage of light to be able to distinguish the shapes of the elements behind it.
  • the heavy part 2 comprises a ring 10 which comprises on an arc of a circle of approximately 180 ° an unbalance 12 which is formed by an extra thickness of said ring 10.
  • the ring 10 and the unbalance 12 are produced in one piece.
  • the heavy part 2 is made of a high density metal, for example, a tungsten alloy.
  • the unbalance 12 can be attached to the ring 10 by any conventional fixing means such as screwing, gluing, crimping, welding or the like.
  • the ring 10 can be made of an easily machinable material such as steel, and the unbalance 12 of a tungsten alloy.
  • the ring 10 comprises a rebate 14 in which the disc 4 is engaged and glued.
  • this disc 4 can be fixed in the rebate 14 of the ring 10 by any other conventional fixing means such as screwing, riveting or the like.
  • the ring 10 has a decoration on its external surface, that is to say visible from the back of the watch. This decoration preferably occupies the entire visible external surface of the ring.
  • the connecting member 4 can include at least one colored filter 30 which occupies the entire surface of the connecting member 4.
  • the color filter may occupy only part of the surface of the connecting member.
  • the colored filter may be in the form of a strip, of a continuous or discontinuous ring, provided on the connecting member substantially at the level of the visible elements of the movement to which it is desired to give a colored appearance, at least temporarily, depending on the rotational movement of the oscillating winding weight.
  • said colored filter 30 may consist of a colored component provided in the mass of the transparent or translucent material.
  • a colored component provided in the mass of the transparent or translucent material.
  • use will be made of a dye, a pigment or a mixture of dyes or pigments, diffused in the mass of the transparent or translucent material. This embodiment will be particularly preferred when the color filter occupies the entire surface of the connecting member.
  • the mass-dyed connecting member 4 can for example be obtained from a compound comprising polycarbonate, a pigment or a mixture of pigments and a dispersing agent. This compound is then injected to obtain the binding member 4. It is also possible to directly use a pigment in liquid form. Any pigment compatible with the transparent or translucent material to dye it in the mass can be used.
  • the colored filter consists of a transparent or translucent colored film deposited on at least part of the surface of the connecting member 4.
  • a film can be a varnish or an ink. It can be deposited on the internal (movement side) or external (bottom side) surface of the connecting member 4.
  • This embodiment can be implemented to form a colored filter which occupies all or part of the surface of the connection. liaison body.
  • At least one element of the movement at least partially visible from the bottom of the movement and which can be at least partially seen through the color filter has a neutral color, for example gray, with a matt effect.
  • This neutral color is chosen so as not to reduce, or reduce as little as possible, the effect of the color filter.
  • the link member 4 acts as a colored filter and allows to give the illusion that the elements visible from the background of the movement are colored, of a different color from their real color.
  • the invention therefore makes it possible to give the elements visible from the background of the movement a color different from their natural color, without impairing their functionality.
  • the effect of the colored appearance given to the elements visible from the background of the movement is permanent or temporary but repeated according to the rotational movement of the oscillating winding weight.
  • FIG 3 there is shown a second embodiment of an oscillating winding mass 1 according to the invention.
  • the elements identical to those described in connection with the figures 1 and 2 have been designated by the same reference numerals.
  • the ring 8 forming the hub of the mass 1 has been omitted on the figure 3 .
  • the connecting member 4 of this embodiment is formed of a partially hollowed disc also made of sapphire. More precisely, the connecting member 4 comprises a central part 16 provided with the opening 6 and a peripheral ring 18 concentric with the opening 6, the central part 16 being connected to the peripheral ring 18 by three connecting arms 20
  • the recesses of the disc 4 will advantageously be made using diamond grinding wheels or even using a laser beam.
  • the connecting member 4 is dyed in the mass in order to form a colored filter 30.
  • FIG 4 there is shown a third embodiment of an oscillating winding mass 1 according to the invention in which the connecting member 4 is formed of a circular optical magnifying lens tinted in the mass in order to form a colored filter 30. It is shown. It goes without saying that according to variant embodiments, any other type of optical lens can be envisaged. It is possible in particular to provide Fresnel lenses which have the particularity of being flatter than a conventional lens for a given magnification. It would also be possible to envisage using, for these connecting members 4, lenses producing kaleidoscopic effects.
  • FIG. 5 and 6 there is shown a fourth embodiment of an oscillating winding mass 1 of the invention in which the connecting member 4 is formed of a transparent plate shaped as an angular sector extending over approximately 180 ° and in which the heavy part 2 is formed by a ring part extending to the periphery of the plate 4 on an arc of a circle of about 180 °.
  • the plate 4 is made of sapphire tinted in the mass in order to form a colored filter 30 and further comprises a magnifying optical lens 22 which extends radially from the ring 8 to the ring of the heavy part 2.
  • FIG. 7 there is shown a fifth embodiment of an oscillating winding mass 1 according to the invention in which the connecting member 4 is formed of a transparent plate tinted in the mass in order to form a colored filter 30, in the form of a angular sector extending over approximately 180 ° and comprising at its periphery a flange 24 folded at an angle.
  • the heavy part 2 is also formed by a ring part extending over an arc of a circle of approximately 180 ° and fixed by means of screws 26 on the inner face 28 of the rim 24.
  • this embodiment of the winding mass 1 allows, thanks to its folded rim 24, to best adapt to the external shape of the movement that it is intended to equip, it being understood that the rim 24 is folded in the direction of the movement.

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

Claims (12)

  1. Schwingende Aufziehmasse (1) eines Uhrwerks eines Uhrmachereistücks, ein schweres Teil (2) umfassend, das an einem Verbindungsorgan (4) befestigt ist, das dazu bestimmt ist, das schwere Teil (2) mit einer Achse zu verbinden, die fest mit dem Uhrwerk verbunden ist, wobei die schwingende Aufziehmasse dazu bestimmt ist, drehend auf der Achse montiert zu werden, wobei das Verbindungsorgan (4) aus einem durchsichtigen oder durchscheinenden Werkstoff gefertigt ist, dadurch gekennzeichnet, dass das Verbindungsorgan (4) mindestens einen farbigen Filter (30) umfasst, wobei der farbige Filter (30) durch einen farbigen durchsichtigen oder durchscheinenden Film gebildet wird, der auf mindestens einem Teil der Oberfläche des Verbindungsorgans (4) hinterlegt ist.
  2. Aufziehmasse (1) nach Anspruch 1, dadurch gekennzeichnet, dass der farbige Filter (30) die gesamte Oberfläche des Verbindungsorgans (4) einnimmt.
  3. Aufziehmasse (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Verbindungsorgan (4) aus einer vollen Scheibe gebildet ist.
  4. Aufziehmasse (1) nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass das Verbindungsorgan (4) aus einer mindestens teilweise ausgehöhlten Scheibe gebildet ist.
  5. Aufziehmasse (1) nach einem der Ansprüche 1 bis 2, oder 4, dadurch gekennzeichnet, dass das Verbindungsorgan (4) aus mindestens zwei Verbindungsarmen (20) gebildet ist.
  6. Aufziehmasse (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Verbindungsorgan (4) aus Saphir gefertigt ist.
  7. Aufziehmasse (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Verbindungsorgan (4) eine optische Linse beinhaltet.
  8. Aufziehmasse (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das schwere Teil (2) aus einem Teil eines Ringes gebildet ist, der sich über einen Kreisbogen von etwa 180° erstreckt.
  9. Aufziehmasse (1) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das schwere Teil (2) aus einem kreisförmigen Ring gebildet ist, der auf einem Kreisbogen von etwa 180° ein Ungleichgewicht beinhaltet.
  10. Aufziehmasse (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das schwere Teil (2) durch Kleben an dem Verbindungsorgan (4) befestigt ist.
  11. Uhrmachereistück, eine Dose beinhaltend, die aus einem durch ein Glas und einen mindestens teilweise durchsichtigen Boden verschlossenen Mittelteil gebildet wird, und in den ein automatisches Uhrmachereiuhrwerk aufgenommen ist, dadurch gekennzeichnet, dass das Uhrwerk mit einer schwingenden Aufziehmasse (1) nach einem der Ansprüche 1 bis 10 ausgestattet ist.
  12. Uhrmachereistück nach Anspruch 11, dadurch gekennzeichnet, dass das Uhrwerk mindestens ein mindestens teilweise durch den Boden des Uhrwerks sichtbares Element umfasst und mindestens teilweise durch den farbigen Filter (30) hindurch gesehen werden kann, wobei das Element in neutraler Farbe ist.
EP17180736.5A 2017-07-11 2017-07-11 Schwungmasse für uhr mit automatikwerk, und uhr, die mit einer solchen schwungmasse ausgestattet ist Active EP3428737B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP17180736.5A EP3428737B1 (de) 2017-07-11 2017-07-11 Schwungmasse für uhr mit automatikwerk, und uhr, die mit einer solchen schwungmasse ausgestattet ist
JP2018122736A JP6691938B2 (ja) 2017-07-11 2018-06-28 自動式ムーブメントを備えた計時器のための振動巻き錘及びかかる巻き錘が取り付けられた計時器
US16/022,907 US20190018367A1 (en) 2017-07-11 2018-06-29 Oscillating winding weight for a timepiece with an automatic movement and timepiece fitted with such a winding weight
CN201821084860.8U CN208588904U (zh) 2017-07-11 2018-07-10 用于钟表机芯的上条摆陀以及钟表
CN201810749566.2A CN109240067B (zh) 2017-07-11 2018-07-10 用于具有自动机芯的钟表的上条摆陀和安装有这种上条摆陀的钟表

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17180736.5A EP3428737B1 (de) 2017-07-11 2017-07-11 Schwungmasse für uhr mit automatikwerk, und uhr, die mit einer solchen schwungmasse ausgestattet ist

Publications (2)

Publication Number Publication Date
EP3428737A1 EP3428737A1 (de) 2019-01-16
EP3428737B1 true EP3428737B1 (de) 2021-04-07

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EP17180736.5A Active EP3428737B1 (de) 2017-07-11 2017-07-11 Schwungmasse für uhr mit automatikwerk, und uhr, die mit einer solchen schwungmasse ausgestattet ist

Country Status (4)

Country Link
US (1) US20190018367A1 (de)
EP (1) EP3428737B1 (de)
JP (1) JP6691938B2 (de)
CN (2) CN109240067B (de)

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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
EP3712714B1 (de) 2019-03-19 2022-11-30 Omega SA Zifferblat für eine universaluhr
EP3779606B1 (de) * 2019-08-15 2023-05-17 ETA SA Manufacture Horlogère Suisse Armbanduhr mit automatischem aufzug
EP3839646A1 (de) * 2019-12-18 2021-06-23 The Swatch Group Research and Development Ltd Aufzieh-schwungmasse, die mit einem schmuckelement für die automatische bewegung der uhr ausgestattet ist
EP3839647B1 (de) * 2019-12-19 2023-10-11 The Swatch Group Research and Development Ltd Aufzugseinheit mit moiré-effekt für automatisches uhrwerk
EP3879354A1 (de) * 2020-03-09 2021-09-15 The Swatch Group Research and Development Ltd Aufziehschwungmasse für ein automatisches uhrwerk, die mit einem schmuckelement ausgestattet ist

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Also Published As

Publication number Publication date
JP6691938B2 (ja) 2020-05-13
EP3428737A1 (de) 2019-01-16
JP2019020396A (ja) 2019-02-07
US20190018367A1 (en) 2019-01-17
CN109240067A (zh) 2019-01-18
CN109240067B (zh) 2021-08-06
CN208588904U (zh) 2019-03-08

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