EP3663866A1 - Uhr, die eine betätigungsvorrichtung einer krone oder eines ventils umfasst - Google Patents

Uhr, die eine betätigungsvorrichtung einer krone oder eines ventils umfasst Download PDF

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Publication number
EP3663866A1
EP3663866A1 EP19201340.7A EP19201340A EP3663866A1 EP 3663866 A1 EP3663866 A1 EP 3663866A1 EP 19201340 A EP19201340 A EP 19201340A EP 3663866 A1 EP3663866 A1 EP 3663866A1
Authority
EP
European Patent Office
Prior art keywords
timepiece according
central axis
valve
follower
ring
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.)
Pending
Application number
EP19201340.7A
Other languages
English (en)
French (fr)
Inventor
Philippe Loetscher
Gregory Kissling
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.)
Omega SA
Original Assignee
Omega 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 Omega SA filed Critical Omega SA
Publication of EP3663866A1 publication Critical patent/EP3663866A1/de
Pending legal-status Critical Current

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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
    • G04B19/00Indicating the time by visual means
    • G04B19/06Dials
    • G04B19/18Graduations on the crystal or glass, on the bezel, or on the rim
    • 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

Definitions

  • the present invention relates to the field of watchmaking. It relates more particularly to a timepiece comprising a device for actuating a control member such as a crown or more generally any member actuable by a user such as a valve.
  • the winding, time setting and date change functions are controlled by a control member, commonly called the crown.
  • the crown disposed on the edge of the housing can adopt three distinct axial positions allowing respectively to activate one of the three functions mentioned above.
  • the rotation of the crown allows the user to wind the mechanism.
  • the rotation of the crown controls the change of dates and, in a third axial position which is furthest from the axis of the case, the rotation of the crown controls the Time change.
  • This transition from one position to another position is carried out manually by the user by pulling or pressing on said crown. This operation is not always easy because it requires first of all to grasp the crown and then to place the crown in the right position according to the desired function.
  • the document EP 3,056,947 offers an actuating device comprising two gripping elements which cover the crown. These gripping elements are pivotally mounted and arranged so as to be able to exert a force on the crown in the radial direction towards the outside of the case in order to place the crown in the time setting position and conversely to exert a force. towards the case in order to return the crown to its initial position.
  • This device has the disadvantage of being relatively bulky and unattractive.
  • the aim of the present invention is to remedy the aforementioned drawbacks by proposing a timepiece comprising a device for actuating the member which is, on the one hand, easily manipulated by the user and which, on the other hand, does not tarnish the aesthetics of the timepiece.
  • the body designates a control body, e.g. a crown or a valve.
  • the drive means are formed by a cam disposed on the movable element defining a guide surface for a follower disposed on the member.
  • the guide surface is arranged so as to move away from the central axis of the housing in order to generate the movement in translation of the member towards the outside of the housing from a depressed position towards a pulled position.
  • the actuating device comprises a ball pawl making it possible to avoid untimely displacements of the mobile element in rotation.
  • the present invention relates to a timepiece of the wristwatch type comprising a device for actuating a member capable of moving in translation along its longitudinal axis and possibly in rotation about this same axis. It may be a control member such as a crown 3 as illustrated in the figure 1A or a valve 7 as illustrated in the figure 4A .
  • the timepiece conventionally comprises a case 1 provided with a middle part 2 and a crown 3 mounted on a tube 4 fixed to the middle part 2.
  • the tube 4 is crossed by the winding rod 5 connected to the crown 3.
  • the crown 3 is mounted movable in translation and in rotation about the axis of the tube 4, or in other words, around its longitudinal axis, which will also be called an axis radial to the housing.
  • the timepiece comprises an actuating device which makes it possible to move the crown in translation along this axis.
  • the actuating device comprises a movable element 6 mounted on the middle part 2 and the crown 3.
  • the movable element 6 has on its visible face framing the bezel 8 graduations 6a corresponding to the different respective positions that the crown can adopt.
  • the movable element 6 thus comprises 3 indexes numbered 1,2 and 3 corresponding respectively to the winding position, to the date change position and to the time setting position.
  • the fixed mounted bezel 8 has a mark 8a which the user places opposite the desired position by rotation of the ring 6.
  • the amplitude between the three positions is approximately 30 °. It is of course conceivable to extend or reduce this amplitude.
  • the number of positions can be variable, for example from 2, 3 or 4.
  • the element 6 is mounted movable in rotation about the central axis 1a of the housing 1, that is to say around an axis perpendicular to the general plane of the housing ( fig. 1B ). It is kinematically linked to the crown.
  • the actuation device according to the invention is provided with drive means comprising a cam disposed on the movable element and a follower disposed on the crown and intended to cooperate with the cam.
  • the cam is defined by at least one of the two lateral surfaces of a recess 6a formed in the rotating ring 6 ( fig.1D ).
  • the follower is formed by a projecting part 3a formed on the crown 3 ( fig. 1B ).
  • the crown 3 has at its inner end to the housing 1 the projecting part 3a which delimits a recess 3b formed in the body of the crown.
  • This projecting part is present over the entire lateral periphery of the crown and has a section which, in the plane perpendicular to the longitudinal axis of the crown, is circular so that, during the rotation of the crown, the projecting part 3a is at all times engaged in the recess 6a of the ring 6 ( figs.1B and 1 C ).
  • the projecting part 3a over the entire lateral periphery of the crown, which forms a projecting annular part, thus makes it possible to freely rotate the crown around its longitudinal axis through 360 ° for each of the axial positions provided.
  • the projecting annular part 3a engaged in the recess 6a has a substantially rectangular profile at the edge of this recess ( fig.1D ).
  • the recess 6a can comprise several sections a1 with a number corresponding to the number of desired positions. These sections a1 can be separated by transition zones a2 allowing a fluid passage of the projecting part between the different positions ( figs.1D and 6B ).
  • the different sections are arranged so as to move away from the central axis of the case in order to generate an axial displacement of the crown towards the outside of the case from the most sunken position towards the most pulled position. It is also conceivable that the different sections form a single section a1 in an arc of a circle offset with respect to the central axis 1a of the housing ( fig. 6A ).
  • the follower 3a is in contact with the two lateral surfaces of the recess 6a via respectively the upper left corner and the lower right corner of the projecting part of the follower.
  • the projecting part 3a can have a thickness substantially equal to that of the width of the recess 6a for each of the sections as shown in 1D figures , 2C and 3C .
  • the sections are thus substantially rectilinear with the perpendicular passing through the center of the section intercepting the central axis of the housing.
  • the two lateral surfaces of the recess move apart to allow the fluid passage of the follower.
  • the cam comprises a first angular section a1 delimited by the circular surfaces C1, C4 centered on the central axis 1a.
  • the follower 3a adopts a first axial position.
  • the follower 3a passes through a transition zone a2 delimited by rectilinear portions D1, D3 where the spacing between these portions is greater than the thickness of the follower.
  • the follower passes through a second angular transition zone a2 delimited by the straight portions D2, D4 before joining the third angular section a1 delimited by the circular surfaces C3, C6 centered on the central axis 1a and determining the third position axial.
  • the straight portions D3 and D4 have a perpendicular to the junction with the circular surfaces C4 and C5 respectively which intercepts the central axis 1a.
  • the actuating device comprises means which make it possible to maintain the mobile element in the desired position without risk of untimely changes.
  • the actuating device can be provided with ball pawls with the balls 9 which are housed in cavities 10 formed in the movable element 6.
  • a ball pawl is respectively positioned at 12 o'clock and at 6 a.m.
  • the crown actuation device is as follows. To the Figures 1A to 1D , the crown 3 is pressed in, which corresponds to the indexed position 1 on the ring 6. In this position, the projecting part 3a is in engagement with the section of the recess 6a which is closest to the axis of the housing. To the Figures 2A to 2C , the ring 6 is rotated by an angle given by the user to position 2. Following this angular displacement of the ring 6, the projecting part 3a of the crown is positioned in the central section of the 'Recess 6a, which is further from the axis of the housing compared to position 1. It follows an axial displacement of the crown towards the outside of the housing.
  • the valve can take two separate axial positions with a closed position and an open position which, as opposed to the closed position, allows the evacuation of the internal gas in the event of overpressure inside the housing.
  • the recess 6a of the movable element 6 comprises two sections a1 separated by a transition zone a2.
  • the two sections are substantially rectilinear and separated by a transition zone also substantially rectilinear.
  • the valve 7 has at its inner end a projecting portion 7a intended to cooperate with the recess 6a of the element 6 movable in rotation.
  • the mobile element 6 forms a ring concealed under the bezel 8 with a protruding portion 6c, which will also be called a gripping zone, extending outside the perimeter delimited by a section of the housing 1 so to allow its gripping by the user.
  • this gripping area is textured to facilitate its entry by the user.
  • the cam is formed by at least one lateral surface delimiting a projecting part formed on the movable element and that the follower is formed by a recess made in the crown or the valve.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
EP19201340.7A 2018-11-09 2019-10-03 Uhr, die eine betätigungsvorrichtung einer krone oder eines ventils umfasst Pending EP3663866A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18205382.7A EP3650952A1 (de) 2018-11-09 2018-11-09 Uhr, die eine betätigungsvorrichtung eines ventils oder einer krone umfasst

Publications (1)

Publication Number Publication Date
EP3663866A1 true EP3663866A1 (de) 2020-06-10

Family

ID=64270693

Family Applications (3)

Application Number Title Priority Date Filing Date
EP18205382.7A Withdrawn EP3650952A1 (de) 2018-11-09 2018-11-09 Uhr, die eine betätigungsvorrichtung eines ventils oder einer krone umfasst
EP19201340.7A Pending EP3663866A1 (de) 2018-11-09 2019-10-03 Uhr, die eine betätigungsvorrichtung einer krone oder eines ventils umfasst
EP19201341.5A Active EP3650955B1 (de) 2018-11-09 2019-10-03 Uhr, die eine betätigungsvorrichtung eines ventils umfasst

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP18205382.7A Withdrawn EP3650952A1 (de) 2018-11-09 2018-11-09 Uhr, die eine betätigungsvorrichtung eines ventils oder einer krone umfasst

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19201341.5A Active EP3650955B1 (de) 2018-11-09 2019-10-03 Uhr, die eine betätigungsvorrichtung eines ventils umfasst

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EP (3) EP3650952A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11217757B2 (en) 2018-03-12 2022-01-04 Universal Display Corporation Host materials for electroluminescent devices

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH316833A (fr) * 1955-01-13 1956-10-31 Chevalier Edgar Remontoir dont la couronne, au repos, est noyée dans la boîte
EP1582945A2 (de) * 2004-03-31 2005-10-05 Alfred Dunhill Limited Uhr mit Druckknöpfen
JP2015068778A (ja) * 2013-09-30 2015-04-13 カシオ計算機株式会社 操作部材の移動構造及び腕時計
EP3056947A1 (de) 2015-02-10 2016-08-17 Giuseppe Schillaci Betätigungsvorrichtung einer krone in einer uhr, und entsprechendes verfahren

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5437875B2 (ja) * 2010-03-26 2014-03-12 セイコーインスツル株式会社 携帯時計

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH316833A (fr) * 1955-01-13 1956-10-31 Chevalier Edgar Remontoir dont la couronne, au repos, est noyée dans la boîte
EP1582945A2 (de) * 2004-03-31 2005-10-05 Alfred Dunhill Limited Uhr mit Druckknöpfen
JP2015068778A (ja) * 2013-09-30 2015-04-13 カシオ計算機株式会社 操作部材の移動構造及び腕時計
EP3056947A1 (de) 2015-02-10 2016-08-17 Giuseppe Schillaci Betätigungsvorrichtung einer krone in einer uhr, und entsprechendes verfahren

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Publication number Publication date
EP3650955A1 (de) 2020-05-13
EP3650955B1 (de) 2022-04-20
EP3650952A1 (de) 2020-05-13

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