WO2019121116A1 - Piece d'horlogerie comportant un dispositif de fixation d'un cadran - Google Patents
Piece d'horlogerie comportant un dispositif de fixation d'un cadran Download PDFInfo
- Publication number
- WO2019121116A1 WO2019121116A1 PCT/EP2018/084210 EP2018084210W WO2019121116A1 WO 2019121116 A1 WO2019121116 A1 WO 2019121116A1 EP 2018084210 W EP2018084210 W EP 2018084210W WO 2019121116 A1 WO2019121116 A1 WO 2019121116A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dial
- support
- central opening
- timepiece according
- holding tube
- Prior art date
Links
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
- G04B19/00—Indicating the time by visual means
- G04B19/06—Dials
- G04B19/14—Fastening the dials to the clock or watch plates
Definitions
- the present invention relates to the field of watchmaking and more particularly to a timepiece comprising a device for fixing a dial of conventional type or type comprising a solar cell.
- a dial of a timepiece comprises on the side of the lower face, that is to say on the movement side, metal feet arranged to be driven partly into machined holes in the movement plate. .
- These metal feet serve in particular to keep in place the dial with respect to the movement of the watch during the assembly of the latter.
- Fixing the dial in the movement plate according to the aforementioned method has the disadvantage of involving relatively complex machining operations, the dial to be drilled several times accurately before mounting the metal feet.
- the use of such dials in skeleton type watches is also unattractive. Summary of the invention
- an objective of the invention is to propose a timepiece comprising a device for fixing the dial which is simple to implement and which ensures a good maintenance of the dial. while ensuring a mechanical strength especially in case of shocks along the axis of the needles.
- a timepiece comprising a motor module, a dial having a central opening, a clock of the hours passing through the central opening of the dial and rotated by the engine module and a device for fixing the dial.
- the fixing device comprises I:
- a holding tube arranged around the hour barrel and mechanically / firmly connected to the engine module
- a retaining member arranged between the holding tube and the dial and / or a dial support on which is fixed the dial.
- the retaining member is arranged / arranged / located between the holding tube, and the dial and / or a dial support being in abutment against a portion of the dial adjacent to the central opening of the dial. and / or against the dial support.
- the retaining member is configured to be in abutment or to exert an axial stress distributed either on an annular zone of the dial which is adjacent and concentric with the central opening of the dial, or on an annular zone of the dial support .
- the part of the dial adjacent to the central opening of the dial defines an annular zone, preferably recessed with respect to the surface of the dial, so that a surface of the upper part of the dial keeping it at the same level as the dial.
- the holding tube has a first cylindrical portion having a first diameter and a second cylindrical portion having a second diameter smaller than the first diameter.
- the retaining member is a washer arranged on the circumference of the second cylindrical portion and bearing against the annular zone of the dial or against the dial support so as to exert an axial force on the dial or the dial support.
- the retaining member is an elastic ring, preferably of circlip type, arranged inside a groove formed on at least a portion of the outer circumference of the holding tube so that the elastic ring bears against the annular zone of the dial or against the dial support.
- the holding tube comprises, on the one hand, a first tube mechanically connected to the engine module and having a threaded portion on its inner circumference, and on the other hand, a second tube in the form of a screw screwed into the threaded part of the first tube.
- the screw has a radial extension to form a circular bearing surface.
- the retaining member is in the form of a seal, preferably O-ring type, arranged against the circular bearing surface of the screw and the annular zone of the dial or the support the dial support so as to exert an axial force on the dial or the dial support.
- the screw is embedded in the central opening of the dial.
- the screw comprises a portion raised relative to the dial and which extends radially to cover the central opening of the dial.
- the timepiece further comprises a movement support and a circuit support arranged between the dial support and the motor module.
- the stack of each support forms a rigid base preventing the deformation of the dial in the event of axial impact.
- each support has a central opening to form a housing within which is adjusted, at least in part, the holding tube.
- the dial comprises or consists of at least one solar cell.
- FIG. 1 shows a partial sectional view of the timepiece illustrating the device for fixing the dial according to a first embodiment of the invention
- FIG. 2 shows a partial sectional view of the timepiece illustrating the fastening device of the dial according to a second embodiment of the invention
- FIG. 3 represents a partial sectional view of the timepiece illustrating the device for fixing the dial according to a third embodiment of the invention.
- FIG. 4 shows a partial sectional view of the timepiece illustrating the device for fixing the dial according to a fourth embodiment of the invention
- the device for fixing a dial according to the invention described hereinafter can be set in used in mechanical or quartz watches comprising a conventional / conventional type dial, ie a dial comprising, for example, indexes distributed at regular intervals around the circumference of the dial, numbers to represent the hours, by example in the form of wall-mounted sconces and, depending on the size, one or more windows to indicate, for example, the date or other information.
- the device for fixing a dial according to the invention can also be implemented in watches comprising a dial of non-conventional type.
- the fixing device according to the invention is for example particularly well suited for fixing a dial comprising or consisting of a solar cell for supplying for example a battery and / or an electronic module of a so-called smart watch.
- the device for fastening the dial 12 comprises a holding tube 15 arranged around the hour-barrel 14b and is mechanically connected to the motor module 10, for example by picking, and this by way of
- this fixing device also comprises a retaining member 20a to 20c.
- This retainer 20a to 20c is preferably an insert.
- Such a retaining member 20a to 20c is a piece which is preferably flexible and / or deformable provided to be arranged between a second cylindrical portion 15b of a holding tube 15, and the dial 12 or the dial support 17 of the shows. Indeed, under the action of this second portion of the cylindrical 15b, this retaining member 20a to 20c is able to bear against a portion of the dial adjacent to a central opening 13 of this dial 12 and / or against the dial support 17.
- the timepiece comprises in particular a motor module 10, the dial 12 provided with a central opening 13, a floor 14a and a gun hours 14b through the central opening 13 of the dial 12 and rotated by the engine module 10.
- the dial 12 is fixed on a dial support 17 for example by means of a double-sided adhesive 30a.
- the shape of the dial support 17 is substantially identical to the shape of the dial 12.
- the dial support 17 is mounted on a motion support 26, which is fixed on a circuit support, preferably a printed circuit support 28, by example by means of a double-sided adhesive 30b.
- the stack of the various supports 17, 26, 28 form a rigid base on which the dial 12 rests, which has the advantage of avoiding a deformation of the dial 12 in the event of an axial impact.
- This rigid base is particularly well suited for a dial 12 formed in particular of a solar cell to prevent possible rupture of the glass substrate of the cell in case of significant axial impact.
- the timepiece comprises the fastening device of the dial 12 comprising the retaining member 20a, the holding tube 15 arranged around the hour barrel 14b and mechanically connected to the engine module 10 as well.
- the holding tube 15 has a first cylindrical portion 15a having a first diameter D1 and a second cylindrical portion 15b having a second diameter D2 less than the first diameter D1.
- the first cylindrical portion 15a is housed in a tubular portion formed by the stacking of the central openings of the dial support 17, the movement support 26 and the support of the printed circuit 28.
- This retaining member 20a comprises a retaining washer 20a and is arranged on the circumference of the second cylindrical portion 15b.
- This retaining washer 20a extends radially so that its periphery is pressed against the dial support 17 to exert an axial force on the dial support 17.
- One end of the first cylindrical portion 15a has the extension radial 18, for example of annular shape, which is fixed or mechanically connected to a bridge 10a of the motor module 10.
- the retaining member 20b comprises an elastic ring 20b.
- This elastic ring 20b is arranged inside a groove 22 made on the outer circumference of the holding tube 15 so that the elastic ring 20b bears against the dial support 17.
- the elastic ring can for example be circlip type to facilitate removal of the fastener.
- the holding tube 15 is housed in the tubular portion formed by the stack of the various supports 17, 26, 28 in order to produce this rigid base adapted for a dial 12 comprising or consisting of a solar cell.
- One end of the holding tube 15 has the radial extension 18, for example of annular shape, which is fixed to a bridge 10a of the motor module 10.
- the holding tube 15 comprises a first tube 16a comprising, on the one hand, a radial extension fixed to a bridge 10a of the engine module 10, and on the other hand, a threaded part on its inner circumference.
- the first tube 16a is housed in the tubular portion formed by the stack of different supports 17, 26, 28 forming this rigid base.
- the holding tube 15 further comprises a second tube 16b in the form of a screw screwed into the threaded portion of the first tube 16a.
- the screw 16b has at one end a radial extension 24 to form a circular bearing surface 24a.
- the retaining member 20c comprises a seal 20c, for example of the O-ring type.
- This seal 20c is arranged against the circular bearing surface 24a of the screw 16b and the dial support 17 so as to exert an axial force on the dial support 17.
- the screw 16b is embedded in the central opening 13 of the dial 12.
- the diameter of the radial extension 24 is preferably substantially identical to the diameter of the central opening 13 of the dial in order to have an advantageous aesthetic appearance.
- the retaining member 20c of the fixing device comprises a seal 20c which is arranged against the circular bearing surface 24a of the screw 16b and the dial support 17. Under these conditions the radial extension 24 forming a surface circular support 24a defined at the end of said screw 16b is then able to directly exert an axial force on the dial support 17 by means of the retaining member 20c.
- the device for fastening the dial comprises a holding tube of similar construction to the third embodiment, with the difference that the screw 16b comprises an elevated portion 32 by relative to the dial 12 which extends radially to cover the central opening 13 of the dial 12.
- This embodiment is particularly suitable for a dial comprising or consisting of a solar cell since the raised portion 32 has the advantage of hiding the cutting defects of the solar cell.
- the retaining washer 20a according to Figure 1, the circlip 20b according to Figure 2 and the second tube 16b in the form of a screw screwed into the threaded portion of the first tube 16a according to Figures 3 and 4 all have the advantage to prevent the needles being dislodged during a major axial impact.
- the holding tube 15 can be adapted to bear or exert an axial stress not on the dial support 17 but directly on the dial 12 itself or directly on both the dial support 17 and the dial 12.
- the dial 12 may for example comprise a portion of the dial adjacent to the central opening 13 of the dial against which the dial bears. retaining member such as the retaining washer 20a, the circlip 20b or the seal 20c according to the embodiment chosen from those described above.
- the part adjacent the central opening 13 may define an annular zone set back from most of the surface of the dial so that a surface of the upper portion of the holding tube is at the same level as the dial.
- the fixing device according to the invention has the advantage of making it possible to produce dials in different materials which are not compatible for the manufacture of dials with feet. These dials can be obtained in particular by injection molding processes of plastic, metal or glass.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020207017722A KR102392230B1 (ko) | 2017-12-21 | 2018-12-10 | 다이얼 부착 디바이스를 포함하는 시계 |
US16/767,848 US11687036B2 (en) | 2017-12-21 | 2018-12-10 | Timepiece comprising a dial attachment device |
CN201880080516.8A CN111465905B (zh) | 2017-12-21 | 2018-12-10 | 包括表盘附接装置的钟表 |
JP2020552116A JP7137630B2 (ja) | 2017-12-21 | 2018-12-10 | 文字盤取付装置を備えた計時器 |
EP18815697.0A EP3729204B1 (fr) | 2017-12-21 | 2018-12-10 | Piece d'horlogerie comportant un dispositif de fixation d'un cadran |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17209869.1A EP3502790A1 (fr) | 2017-12-21 | 2017-12-21 | Piece d'horlogerie comportant un dispositif de fixation d'un cadran |
EP17209869.1 | 2017-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019121116A1 true WO2019121116A1 (fr) | 2019-06-27 |
Family
ID=60781995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2018/084210 WO2019121116A1 (fr) | 2017-12-21 | 2018-12-10 | Piece d'horlogerie comportant un dispositif de fixation d'un cadran |
Country Status (6)
Country | Link |
---|---|
US (1) | US11687036B2 (fr) |
EP (2) | EP3502790A1 (fr) |
JP (1) | JP7137630B2 (fr) |
KR (1) | KR102392230B1 (fr) |
CN (1) | CN111465905B (fr) |
WO (1) | WO2019121116A1 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH315646A (fr) * | 1953-01-16 | 1956-08-31 | Aubert Paul Lucien | Pièce d'horlogerie |
FR1491555A (fr) * | 1966-07-01 | 1967-08-11 | Cie Ind De Metrologie Trophy | Perfectionnement à la fixation d'un cadran sur un mouvement d'horlogerie par écrou central |
JP2013096818A (ja) * | 2011-10-31 | 2013-05-20 | Seiko Instruments Inc | 電子時計 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS58129174U (ja) * | 1983-01-20 | 1983-09-01 | セイコーエプソン株式会社 | アナグロ時計の針部構造 |
CH649433GA3 (fr) * | 1983-08-30 | 1985-05-31 | ||
JPS60181676A (ja) * | 1984-02-29 | 1985-09-17 | Citizen Watch Co Ltd | 時計用表示板の固定方法 |
JPS60154884U (ja) * | 1984-03-26 | 1985-10-15 | リズム時計工業株式会社 | 時計の指針取付構造 |
JPH0248874B2 (ja) * | 1985-07-17 | 1990-10-26 | Seikosha Kk | Tokeikiko |
JPS62169075A (ja) * | 1986-01-21 | 1987-07-25 | Seikosha Co Ltd | 時計 |
ATE157179T1 (de) * | 1991-05-10 | 1997-09-15 | Omron Tateisi Electronics Co | Zeitmesser mit zifferblatt |
JP2540995Y2 (ja) * | 1993-12-28 | 1997-07-09 | リズム時計工業株式会社 | 目覚時計の目安表示装置 |
CN1120302A (zh) * | 1994-10-05 | 1996-04-10 | 荣汉斯·乌伦股份公司 | 具有内装接收机的时钟 |
JP3051910B2 (ja) * | 1995-05-16 | 2000-06-12 | セイコーインスツルメンツ株式会社 | Elパネル付電子機器 |
US5764599A (en) * | 1996-08-12 | 1998-06-09 | Timex Corporation | Electroluminescent lamp and dial for a timepiece |
US8535233B2 (en) * | 2000-09-25 | 2013-09-17 | Welch Allyn, Inc. | Blood pressure measuring apparatus |
TW505830B (en) * | 2001-04-03 | 2002-10-11 | Ebauchesfabrik Eta Ag | Timepiece movement |
EP1434114B1 (fr) * | 2002-12-23 | 2010-04-07 | Asulab S.A. | Montre dont la boîte comporte un fond ou couvercle avec fixation à baionnette pour ouverture manuelle |
CH705087B1 (fr) * | 2011-06-06 | 2017-02-28 | Hublot Sa Genève | Pièce d'horlogerie. |
JP2013068430A (ja) * | 2011-09-20 | 2013-04-18 | Seiko Epson Corp | 文字板組立体および時計 |
WO2014173582A1 (fr) * | 2013-04-24 | 2014-10-30 | Eta Sa Manufacture Horlogère Suisse | Procede et dispositif d'assemblage d'un mouvement a un boitier de montre |
CN203535385U (zh) * | 2013-07-12 | 2014-04-09 | 卡西欧计算机株式会社 | 钟表用表盘以及钟表 |
CN203773237U (zh) * | 2013-08-29 | 2014-08-13 | Eta瑞士钟表制造股份有限公司 | 钟表机芯及包括该钟表机芯的模块化的钟表组件和钟表件 |
CN106164785B (zh) * | 2014-03-25 | 2018-10-02 | Eta瑞士钟表制造股份有限公司 | 设有表盘的钟表和相关的紧固方法 |
JP2016109533A (ja) * | 2014-12-05 | 2016-06-20 | セイコーエプソン株式会社 | 電子時計 |
-
2017
- 2017-12-21 EP EP17209869.1A patent/EP3502790A1/fr not_active Withdrawn
-
2018
- 2018-12-10 JP JP2020552116A patent/JP7137630B2/ja active Active
- 2018-12-10 EP EP18815697.0A patent/EP3729204B1/fr active Active
- 2018-12-10 CN CN201880080516.8A patent/CN111465905B/zh active Active
- 2018-12-10 US US16/767,848 patent/US11687036B2/en active Active
- 2018-12-10 WO PCT/EP2018/084210 patent/WO2019121116A1/fr unknown
- 2018-12-10 KR KR1020207017722A patent/KR102392230B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH315646A (fr) * | 1953-01-16 | 1956-08-31 | Aubert Paul Lucien | Pièce d'horlogerie |
FR1491555A (fr) * | 1966-07-01 | 1967-08-11 | Cie Ind De Metrologie Trophy | Perfectionnement à la fixation d'un cadran sur un mouvement d'horlogerie par écrou central |
JP2013096818A (ja) * | 2011-10-31 | 2013-05-20 | Seiko Instruments Inc | 電子時計 |
Also Published As
Publication number | Publication date |
---|---|
EP3502790A1 (fr) | 2019-06-26 |
JP7137630B2 (ja) | 2022-09-14 |
CN111465905B (zh) | 2022-09-02 |
US20200292994A1 (en) | 2020-09-17 |
US11687036B2 (en) | 2023-06-27 |
EP3729204B1 (fr) | 2023-01-25 |
EP3729204A1 (fr) | 2020-10-28 |
KR102392230B1 (ko) | 2022-04-28 |
CN111465905A (zh) | 2020-07-28 |
JP2021507267A (ja) | 2021-02-22 |
KR20200089720A (ko) | 2020-07-27 |
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