EP3377944A1 - Mouvement d'horlogerie - Google Patents
Mouvement d'horlogerieInfo
- Publication number
- EP3377944A1 EP3377944A1 EP16794348.9A EP16794348A EP3377944A1 EP 3377944 A1 EP3377944 A1 EP 3377944A1 EP 16794348 A EP16794348 A EP 16794348A EP 3377944 A1 EP3377944 A1 EP 3377944A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- differential gear
- movement
- kinematic
- display device
- driven
- 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.)
- Withdrawn
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
- G04B19/26—Clocks or watches with indicators for tides, for the phases of the moon, or the like
-
- 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
- G04B17/00—Mechanisms for stabilising frequency
-
- 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
- G04B19/02—Back-gearing arrangements between gear train and hands
Definitions
- the present invention relates to the field of watchmaking. It relates more particularly to a watch movement comprising a plurality of control systems. State of the art
- EP 1 706 796 discloses a watch movement comprising two vortices connected to a common drive member via a differential gear.
- This differential gear allows the vortex cages to rotate independently of each other, and serves to average their steps.
- the mobiles of the work train turn therefore at angular speeds depending on the means of the walk of the two vortices, which serves to improve the accuracy of the movement of the movement.
- the document WO 2013/104982 discloses a timepiece comprising four regulating members, driven by a motor member via an engine kinematic network comprising a plurality of differential gears.
- the obvious solution to indicate the seconds would be to integrate an appropriate display member in the motor network, including rotationally integral with one of the four seconds motive that includes the mechanism.
- this solution would be very limited in terms of the possibilities for the spatial arrangement of the seconds display member in the movement. Indeed, there are only four positions that arise and do not require substantial changes in the construction of the movement.
- the object of the invention is, therefore, to provide a modular timepiece in which the aforementioned drawbacks are at least partially overcome.
- the invention relates to a watch movement comprising:
- At least one drive member such as one or more motor springs stored in one or more barrels
- four control systems of any type (s) each being in kinematic connection with said motor member via a motor kinematic network arranged to transmit energy from the motor member to each of said control systems so that it is possible to draw a kinematic connection transmitting energy between the motor member and each of the control systems.
- a first differential gear having an input kinematically connected to the drive member and having two outputs;
- a second and a third differential gear each having a kinematic input with a respective output of the first differential gear and each having two outputs.
- Each of the outputs of the second respectively third differential gear is kinematically connected to a respective control system.
- the movement further comprises:
- the operation of the four control systems is averaged to provide the time display and, by arranging the hours and minutes display to be driven by the first differential gear while the second display is driven into the motor kinematic network branch taking strength at the second and / or third differential gear, the movement can be optimized especially in the torque transmission, and / or rotational speeds of the various elements can be chosen relatively freely .
- the position of the display member can also be chosen relatively freely, because it is no longer linked to the position of the second movable motor kinematic network.
- a mobile meshing directly or indirectly with the kinematic network engine can be placed in the movement according to the needs of the manufacturer, without having to make other modifications.
- the second display device comprises a seconds indicating member arranged to be driven by an element of one of the second and third differential gear, such as a mobile acting as an input of the corresponding differential gear.
- the second display device is integrated with said fourth differential gear, or is integral in rotation with one of its elements.
- At least one of said differential gears comprises an equal winding system, which limits variations in the torque transmitted to the control systems, and thus serves to improve the isochronism of the movement.
- Fig. 1 is a schematic representation of a first embodiment of a movement according to the invention.
- Fig. 2 is a schematic representation of a second embodiment of a movement according to the invention.
- FIG. 1 schematically illustrates an embodiment of a watch movement 1 according to the invention.
- the movement 1 comprises a motor member 3, which may be for example one or more motor springs stored (s) in one or more barrels in series and / or in parallel.
- the motor member 3 is in kinematic connection with an input 5e of a first differential gear 5 formed of suitable mobiles.
- This differential gear 5 may be of any type, for example spherical, flat or any other configuration.
- the differential gear 5 as defined in the present invention has an input 5e and two outputs 5s.
- the mechanical connection between the input 5e and the outputs 5s can be made in any usual way, for example by means of one or more planet gears, one or more elastic elements or any mechanism allowing a function equivalent to the latter. It may also include at least one equal-winding differential as described in EP 2 548 084, incorporated herein by reference in its entirety. This or these equal winding can be at the level of the differential or differentials, but also between the differential or differentials and or the control systems.
- the first differential gear 5 drives directly or indirectly a display device hours and minutes 6, from one of the elements that constitute it.
- the hours and minutes display device 6 can comprise display devices for the hours and minutes, for example one or more needles, disks, rotary scales, strips, or the like.
- one of the mobile forming the differential gear for example the mobile input office 5e, may cause a timer, or alternatively the one of the mobiles can be arranged to rotate at a rate of one revolution per hour, the minute display member (a needle, disk, tape or the like) being integral in rotation therewith, and the display member of hours being driven through a reduction gear in a conventional manner.
- the minute display member a needle, disk, tape or the like
- the two outputs 5s of the differential gear 5 each provide energy to the respective input 7e, 9e of a second differential gear 7 respectively a third differential gear 9, formed of suitable mobiles.
- These second and third differential gears each also comprise two outputs 7s, 9s respectively, each of these outputs 7s, 9s being in direct or indirect kinematic connection with a respective regulating system 1 1.
- the same comments with respect to the type of differential gear transmitted with respect to the first differential gear 5 also apply to the second and third differential gears 7, 9.
- the control systems 1 1 may be of any type, and may comprise for example Swiss or English anchor escapements, mono-, bi- or tri-axial vortices, expansion exhausts, cylinder exhausts or any type known to those skilled in the art.
- Each system setting 1 1 may be the same or different to others, and can beat at the same frequency or at a frequency different from others.
- the speed of rotation of the individual cages may also be identical or different to that of the other cages. This makes it possible to average the march of several types of regulating systems, and thus to improve the isochronism of the movement.
- each of the second and third differential gearing 7, 9 directly or indirectly drives a corresponding second display device 12, but it is also predictable that a single device 12 seconds display can be provided, driven by one of these gears branch of the kinematic network engine.
- said second display device 12 may comprise a second display member such as a needle, a disc or the like which is rotatably connected to a corresponding mobile which meshes directly with a mobile of the differential gearing.
- corresponding 7, 9 being input office 7e, 9e respectively, or can be driven indirectly by the same mobile via an intermediate mobile.
- the second display member may take one turn in 30 seconds, one, two, three, four, or five minutes, or the like.
- the rotation speed of the elements of the first differential gearing can be relatively slow, in order to be able to transmit a maximum of torque to the two other differential gears 7, 9, and At the same time, it is possible to drive the minute and hour display device 6.
- a mobile of the first differential gear 5, for example the mobile acting as the 5th input can be arranged to make mobile office of the usual minutes, thus limiting the number of intermediate mobiles in the driveline. In the case of a different rotational speed, intermediate transmission wheels can naturally be provided.
- the second and third differential gear 7, 9 can rotate faster than the first differential gear 5, which optimizes the transmission of energy and torque to the control systems as well as to the transmission devices. display.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Gear Transmission (AREA)
- Retarders (AREA)
- Electromechanical Clocks (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01672/15A CH711790B1 (fr) | 2015-11-17 | 2015-11-17 | Mouvement d'horlogerie. |
PCT/EP2016/077394 WO2017084972A1 (fr) | 2015-11-17 | 2016-11-11 | Mouvement d'horlogerie |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3377944A1 true EP3377944A1 (fr) | 2018-09-26 |
Family
ID=54783315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16794348.9A Withdrawn EP3377944A1 (fr) | 2015-11-17 | 2016-11-11 | Mouvement d'horlogerie |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200257247A1 (fr) |
EP (1) | EP3377944A1 (fr) |
JP (1) | JP2018533738A (fr) |
CN (1) | CN108292118A (fr) |
CH (1) | CH711790B1 (fr) |
WO (1) | WO2017084972A1 (fr) |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH599580B5 (fr) * | 1974-08-22 | 1978-05-31 | Longines Montres Comp D | |
JP2797071B2 (ja) * | 1995-08-18 | 1998-09-17 | セイコーインスツルメンツ株式会社 | ツールビョン機構を備えた機械時計 |
JP2002148363A (ja) * | 1998-11-27 | 2002-05-22 | Seiko Epson Corp | 時 計 |
CH694833A5 (fr) | 2003-10-31 | 2005-07-29 | Complitime Sa | Pièce d'horlogerie comportant deux balanciers. |
DE602005013758D1 (de) * | 2004-04-15 | 2009-05-20 | Montres Breguet Sa Manufacture | Uhr mit mindestens zwei tourbillons |
DE602005021161D1 (de) * | 2005-03-23 | 2010-06-17 | Bnb Concept Sa | Uhrwerk |
DE602005021748D1 (de) * | 2005-03-30 | 2010-07-22 | Montres Breguet Sa | Uhr mit mindenstens zwei Reguliersystemen |
CN101855601B (zh) * | 2007-11-09 | 2012-07-04 | 绮年华钟表制造股份公司 | 具有恒定发条力的机械手表 |
DE602008003534D1 (de) * | 2008-04-30 | 2010-12-30 | Cartier Creation Studio Sa | Mechanismus zur Vermeidung der Gangvariationen aufgrund der Schwerkrafteinwirkung auf eine Reguliervorrichtung mit Unruh-Spiralfeder und mit diesem Mechanismus ausgestattete Uhr |
EP2233988B1 (fr) * | 2009-03-23 | 2012-02-08 | Montres Breguet SA | Mouvement horloger à tourbillon muni d'un dispositif de protection contre les chocs |
CH702843B1 (fr) | 2010-03-17 | 2014-08-29 | Complitime Sa | Mouvement pour pièce d'horlogerie à remontoir d'égalité. |
CH704063B1 (fr) * | 2010-11-09 | 2013-07-31 | Complitime Sa | Pièce d'horlogerie |
JP5715453B2 (ja) * | 2011-03-13 | 2015-05-07 | セイコーインスツル株式会社 | レトログラード表示機構及びこれを備えた時計 |
CH705494A2 (fr) * | 2011-09-15 | 2013-03-15 | Swatch Group Res & Dev Ltd | Pièce d'horlogerie à oscillateurs couplés de manière permanente. |
EP2615504A1 (fr) * | 2012-01-13 | 2013-07-17 | Manufacture Roger Dubuis S.A. | Mouvement d'horlogerie a balanciers inclinés |
EP3399374A1 (fr) * | 2017-05-05 | 2018-11-07 | Gfpi Sa | Mouvement d'horlogerie |
-
2015
- 2015-11-17 CH CH01672/15A patent/CH711790B1/fr unknown
-
2016
- 2016-11-11 JP JP2018524351A patent/JP2018533738A/ja active Pending
- 2016-11-11 EP EP16794348.9A patent/EP3377944A1/fr not_active Withdrawn
- 2016-11-11 US US15/776,362 patent/US20200257247A1/en not_active Abandoned
- 2016-11-11 WO PCT/EP2016/077394 patent/WO2017084972A1/fr active Application Filing
- 2016-11-11 CN CN201680066474.3A patent/CN108292118A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CH711790A1 (fr) | 2017-05-31 |
WO2017084972A1 (fr) | 2017-05-26 |
US20200257247A1 (en) | 2020-08-13 |
JP2018533738A (ja) | 2018-11-15 |
CN108292118A (zh) | 2018-07-17 |
CH711790B1 (fr) | 2021-03-31 |
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