EP3825778B1 - Steuerkranz für uhr - Google Patents

Steuerkranz für uhr Download PDF

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Publication number
EP3825778B1
EP3825778B1 EP19210665.6A EP19210665A EP3825778B1 EP 3825778 B1 EP3825778 B1 EP 3825778B1 EP 19210665 A EP19210665 A EP 19210665A EP 3825778 B1 EP3825778 B1 EP 3825778B1
Authority
EP
European Patent Office
Prior art keywords
crown
control
tube
control rod
comprised
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
EP19210665.6A
Other languages
English (en)
French (fr)
Other versions
EP3825778A1 (de
Inventor
Karol KWIECINSKI
Gilles Vuilleumier
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 EP19210665.6A priority Critical patent/EP3825778B1/de
Priority to US16/988,779 priority patent/US11243498B2/en
Priority to JP2020148005A priority patent/JP6936371B2/ja
Priority to CN202011313847.7A priority patent/CN112824979B/zh
Publication of EP3825778A1 publication Critical patent/EP3825778A1/de
Application granted granted Critical
Publication of EP3825778B1 publication Critical patent/EP3825778B1/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
    • G04B37/00Cases
    • G04B37/08Hermetic sealing of openings, joints, passages or slits
    • G04B37/10Hermetic sealing of openings, joints, passages or slits of winding stems
    • 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
    • G04B3/00Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04Rigidly-mounted keys, knobs or crowns
    • G04B3/041Construction of crowns for rotating movement; connection with the winding stem; winding stems
    • 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
    • G04B3/00Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04Rigidly-mounted keys, knobs or crowns
    • G04B3/043Locking of the operating element, also by mounting in a concealed place
    • 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
    • G04B3/00Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04Rigidly-mounted keys, knobs or crowns
    • G04B3/046Operation by rotation and axial movement with extra function of axial shift of operating element, e.g. crown combined with push button
    • 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
    • G04B37/00Cases
    • G04B37/06Forming the passage for the winding stem through the case; Divided winding stems
    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F7/00Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08Watches or clocks with stop devices, e.g. chronograph

Definitions

  • the invention relates to a control crown for a timepiece, capable of cooperating with a middle part for operating a control rod belonging to said control crown, said middle part comprising at least one main housing along a main axis for the reception of a tube that comprises said control crown, which comprises a crown body capable of being rotatably mounted about said main axis and arranged to be manipulated by a user for maneuvering said control rod, and said crown body covering both said tube and said control rod.
  • the invention relates to a timepiece case, comprising such a middle part, and at least one such control crown.
  • the invention relates to a timepiece, in particular a watch, comprising such a case and/or at least one such control crown.
  • the invention relates to the field of control mechanisms for timepieces.
  • Timepieces often include components bearing technical indications, such as graduated sectors, or bearing product identification elements such as a logo, name, or the like, and may also include external components that must be assembled. in a particular orientation so as not to interfere with or injure the user.
  • the document CH711600A1 in the name of OFFICINE PANERAI describes a push-piece crown comprising a crown provided with a central extension capable of being connected to a winding stem of a clockwork movement and a push-piece which can be moved axially with respect to the crown against an elastic action, this push-button crown further comprising a tube able to pass through the wall of a watch case and to be fixed thereon on which the crown is pivoted.
  • This crown includes a blocking device preventing actuation of the pusher as long as the crown is not placed in at least one predetermined angular position relative to the tube.
  • the document EP2385432A2 in the name of ROLEX describes a watch case comprising a middle part, a tube provided with a thread, integral with the middle part, a control crown provided with a thread capable of being screwed onto the thread of the tube.
  • the control ring comprises an outer part having a distinctive sign visible from the outside and an inner part housed inside the outer part and provided with the thread capable of being screwed onto the thread of the tube, one of the said parts comprising means for connecting to a control stem, in particular to a winding stem, and clamping means for maintaining the outer part and the inner part in a determined angular position with respect to the longitudinal axis of the tube.
  • the inner part comprises first angular indexing means
  • the outer part comprises second angular indexing means, these indexing means being shaped to engage axially in each other by relative axial displacement between the inner part and the outer part, these indexing means being held engaged by said clamping means.
  • the document EP2275883A1 on behalf of ROLEX describes a timepiece comprising a case enclosing a timepiece movement, a mechanism for transmitting homokinetic rotational movements between two rods with substantially parallel axes, connecting the exterior of the case to the timepiece movement to through a passage in the housing.
  • the adjacent ends of these two rods are secured to two respective sliding elements of determined sections, in engagement with two respective slides of sections complementary to those of said sliding elements, of sliding planes perpendicular to said axes, the two slides being fixed to a common connecting member and being oriented at 90° to each other.
  • the invention proposes to produce an indexed component, the indexing of which remains constant, at the lowest cost and with the lowest possible number of constituents. And the invention relates more particularly to a crown for a timepiece, in particular for a watch.
  • the invention relates to a control crown according to claim 1.
  • the invention also relates to a timepiece case equipped with at least one such crown.
  • the invention also relates to a timepiece, in particular a watch, comprising such a case, and/or at least such a crown.
  • the invention relates to a control crown 10 for a timepiece 1000.
  • This crown 10 is able to cooperate with a middle part 20, which includes a case 100 of the timepiece 1000, or which includes the timepiece 1000, for operating a control rod 4 belonging to control crown 10.
  • the caseband 20 conventionally comprises at least one main housing 21, along a main axis D1, for receiving a tube 1 that comprises the control crown 10.
  • the crown 10 comprises a crown body 8, which is capable of being mounted rotatable about the main axis D1, and is arranged to be manipulated by a user for maneuvering the control stem 4, for example for controlling a function for setting the time, winding, triggering chronograph, reset, ringing trigger, time zone setting, or other.
  • Crown body 8 covers both tube 1 and control rod 4.
  • the tube 1 comprises a recess 11, which is provided for the passage and/or the rotational guidance of the control rod 4 around an axis D2 parallel with the main axis D1.
  • the control ring 10 includes a closure cap 7, which is arranged to be fixed to the tube 1 in a fixed angular position with respect to the middle part 20, by the cooperation between indexing means 12, such as bores, or shaped housings, which the tube 1 comprises and means additional indexing 71 that includes the closure cap 7, such as cylindrical lugs or shaped fingers respectively.
  • the fixing of this closure plug 7 thus makes it possible to enclose the crown body 8 axially between the middle part 20 and the closure plug 7.
  • the recess 11 is eccentric for the passage and/or the guiding in rotation of the control rod 4 around a secondary axis D2 parallel to the main axis D1 and separate from it.
  • the crown body 8 has a recess 83, which is able to receive a seal 6 under the closure cap 7.
  • the crown body 8 includes a toothing or an internal spline 81, which is arranged to cooperate with a toothing or an external spline 43 respectively, which the control rod 4 includes, for driving the command 4.
  • the crown body 8 comprises an internal thread 82, which is capable of cooperating in a complementary manner with a thread 52 of a nut 5 inserted between the control rod 4 and the closing plug 7.
  • This nut 5 comprises a surface front support 53, which is arranged to constitute an axial abutment to a complementary front support surface 44 that comprises the control rod 4, on the side opposite the middle part 20.
  • the nut 5 comprises maneuvering means 51 for gripping it with a suitable tool.
  • the crown body 8 is returned towards the middle part 20 by an elastic return means tending to press it against the middle part 20.
  • crown body 8 is moved away from caseband 20 by another elastic return means.
  • the toothing or internal spline 81 that comprises the crown body 8, and arranged for the rotational drive of the control rod 4 is engaged with control rod 4 only over part of the axial travel of control rod 4.
  • the invention also relates to a timepiece case 100, comprising a middle part 20 comprising at least one main housing 21 extending along a main axis D1 for receiving a control crown tube, and at least one such control ring 10 comprising a tube 1 which can be inserted into this at least one main housing 21.
  • the caseband 20 comprises at least one secondary bore 22, extending along a secondary axis D2 parallel to the main axis D1 and separate from it, for receiving and guiding a guide surface 41 that comprises a control rod 4 operated by a control crown 10.
  • the invention also relates to a timepiece 1000 comprising such a case 100 and/or at least such a crown 10. More particularly, this timepiece 1000 is a watch.
  • the invention makes it possible to have a closure cap 7 in a fixed angular position with respect to the middle part 20, and which can bear a logo or the like, without risk of angular disorientation. Rotating components are well protected, and sealing can be achieved by conventional means.
  • control rod 4 relative to the crown body 8 allows positioning at will relative to the box 100. This can be interesting for an optimal positioning in the height of the box, or for an offset control compared to the most usual positions.

Claims (11)

  1. Steuerkrone (10) für eine Uhr (1000), die mit einem Mittelteil (20) zusammenwirken kann zum Betätigen einer Steuerwelle (4), die zu der Steuerkrone (10) gehört, wobei das Mittelteil (20) entlang einer Hauptachse (D1) mindestens eine Hauptlagerung (21) umfasst zum Aufnehmen eines Rohres (1), das die Steuerkrone (10) umfasst, die einen Kronenkörper (8) umfasst, der um die Hauptachse (D1) drehend angebracht werden kann und so eingerichtet ist, dass sie zum Betätigen der Steuerwelle (4) von einem Benutzer bedient werden kann, wobei der Kronenkörper (8) gleichzeitig das Rohr (1) und die Steuerwelle (4) bedeckt, dadurch gekennzeichnet, dass das Rohr (1) eine Aushöhlung (11) umfasst für den Durchtritt und/oder die Drehführung der Steuerwelle (4) um eine zur Hauptachse (D1) parallele Achse (D2), und dadurch, dass die Steuerkrone (10) eine Verschlusskappe (7) umfasst, die so eingerichtet ist, dass sie durch das Zusammenwirken zwischen Indexierungsmitteln (12), die das Rohr (1) umfasst, und komplementären Indexierungsmitteln (71), die die Verschlusskappe (7) umfasst, in fester Winkelstellung in Bezug auf das Mittelteil (20) an dem Rohr (1) befestigt werden kann, um den Kronenkörper (8) axial zwischen dem Mittelteil (20) und der Verschlusskappe (7) einzuschließen, dadurch gekennzeichnet, dass die Aushöhlung (11) für den Durchtritt und/oder die Drehführung der Steuerwelle (4) um eine zur Hauptachse (D1) parallele und sich von dieser unterscheidenden Nebenachse (D2) exzentrisch ist.
  2. Steuerkrone (10) nach Anspruch 1, dadurch gekennzeichnet, dass der Kronenkörper (8) eine Versenkung (83) umfasst, die eine Dichtung (6) unter der Verschlusskappe (7) aufnehmen kann.
  3. Steuerkrone (10) nach den Ansprüchen 1 oder 2, dadurch gekennzeichnet, dass der Kronenkörper (8) eine Zahnung oder eine innenliegende Rillung (81) umfasst, die so eingerichtet ist, dass sie für den Drehantrieb der Steuerwelle (4) mit einer Zahnung bzw. einer außenliegenden Rillung (43), die die Steuerwelle (4) umfasst, zusammenwirkt.
  4. Steuerkrone (10) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Kronenkörper (8) ein Innengewinde (82) umfasst, das in komplementärer Art und Weise mit einem Gewindeschneiden (52) einer Schraube (5) zusammenwirken kann, die eine vordere Auflagefläche (53) umfasst, die so eingerichtet ist, dass sie einen axialen Anschlag für eine komplementäre vordere Auflagefläche (44), die die Steuerwelle (4) umfasst, auf der gegenüberliegenden Seite des Mittelteils (20) bildet.
  5. Steuerkrone (10) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Kronenkörper (8) zwischen dem Mittelteil (20) und der Verschlusskappe (7) mit einem begrenzten axialen Weg beweglich ist, und dadurch, dass der Kronenkörper (8) ein Kräglein (89) umfasst, das ein axiales Stoppmittel der Steuerwelle (4) auf der Seite des Mittelteils (20) bildet.
  6. Steuerkrone (10) nach Anspruch 5, dadurch gekennzeichnet, dass der Kronenkörper (8) durch ein elastisches Rückzugmittel, das dazu neigt, ihn an das Mittelteil (20) zu drücken, in Richtung des Mittelteils (20) zurückgezogen wird.
  7. Steuerkrone (10) nach den Ansprüchen 3 und 5, dadurch gekennzeichnet, dass die Zahnung oder innenliegende Rillung (81), die der Kronenkörper (8) umfasst, die für den Drehantrieb der Steuerwelle (4) eingerichtet ist, nur auf einem Teil des axialen Weges mit der Steuerwelle (4) in Eingriff steht.
  8. Gehäuse (100) für eine Uhr, das ein Mittelteil (20) umfasst, das mindestens eine sich entlang einer Hauptachse (D1) erstreckende Hauptlagerung (21) zum Aufnehmen eines Steuerkronenrohres, und mindestens eine Steuerkrone (10) nach einem der Ansprüche 1 bis 7 umfasst, die ein Rohr (1) umfasst, das in die mindestens eine Hauptlagerung (21) eingesetzt werden kann.
  9. Gehäuse (100) nach Anspruch 8, dadurch gekennzeichnet, dass das Mittelteil (20) mindestens eine Nebenausreibung (22), die sich entlang der zur Hauptachse (D1) parallelen und sich von dieser unterscheidenden Nebenachse (D2) erstreckt, zum Aufnehmen und Führen einer Führungslauffläche (41) umfasst, die die von der Steuerkrone (10) betätigte Steuerwelle (4) umfasst.
  10. Uhr (1000), die ein Gehäuse (100) nach Anspruch 8 oder 9 und/oder mindestens eine Krone (10) nach einem der Ansprüche 1 bis 7 umfasst.
  11. Uhr (1000) nach Anspruch 10, dadurch gekennzeichnet, dass es sich um eine Kleinuhr handelt.
EP19210665.6A 2019-11-21 2019-11-21 Steuerkranz für uhr Active EP3825778B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19210665.6A EP3825778B1 (de) 2019-11-21 2019-11-21 Steuerkranz für uhr
US16/988,779 US11243498B2 (en) 2019-11-21 2020-08-10 Control crown for a timepiece
JP2020148005A JP6936371B2 (ja) 2019-11-21 2020-09-03 時計のための制御クラウン
CN202011313847.7A CN112824979B (zh) 2019-11-21 2020-11-20 用于时计的控制表冠

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19210665.6A EP3825778B1 (de) 2019-11-21 2019-11-21 Steuerkranz für uhr

Publications (2)

Publication Number Publication Date
EP3825778A1 EP3825778A1 (de) 2021-05-26
EP3825778B1 true EP3825778B1 (de) 2023-07-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19210665.6A Active EP3825778B1 (de) 2019-11-21 2019-11-21 Steuerkranz für uhr

Country Status (4)

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US (1) US11243498B2 (de)
EP (1) EP3825778B1 (de)
JP (1) JP6936371B2 (de)
CN (1) CN112824979B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215954071U (zh) * 2021-10-25 2022-03-04 东莞市正励信精密五金有限公司 一种便于调节旋转表冠的电子手表

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2275883B1 (de) * 2009-07-16 2011-12-28 Rolex Sa Uhr

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IT207367Z2 (it) 1986-04-04 1988-01-04 Signori Walter Orologio con segno zodiacale in evidenza sul quadrante.
WO1998001795A1 (fr) 1996-07-05 1998-01-15 Edouard Pfister Dispositif horometrique
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Also Published As

Publication number Publication date
CN112824979B (zh) 2022-06-24
CN112824979A (zh) 2021-05-21
US11243498B2 (en) 2022-02-08
JP2021081415A (ja) 2021-05-27
US20210157276A1 (en) 2021-05-27
EP3825778A1 (de) 2021-05-26
JP6936371B2 (ja) 2021-09-15

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