EP2550567A1 - Piece d'horlogerie - Google Patents
Piece d'horlogerieInfo
- Publication number
- EP2550567A1 EP2550567A1 EP11708893A EP11708893A EP2550567A1 EP 2550567 A1 EP2550567 A1 EP 2550567A1 EP 11708893 A EP11708893 A EP 11708893A EP 11708893 A EP11708893 A EP 11708893A EP 2550567 A1 EP2550567 A1 EP 2550567A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transmission ring
- timepiece according
- timepiece
- control member
- movement
- 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- Withdrawn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
- G04B18/00—Mechanisms for setting frequency
- G04B18/02—Regulator or adjustment devices; Indexing devices, e.g. raquettes
- G04B18/021—Regulator or adjustment devices; Indexing devices, e.g. raquettes adjusting the indexing device from the outside
-
- 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
- G04B18/00—Mechanisms for setting frequency
- G04B18/02—Regulator or adjustment devices; Indexing devices, e.g. raquettes
Definitions
- the present invention relates to the field of mechanical watchmaking.
- timepiece comprising:
- control member accessible from outside the timepiece by a user
- a transmission system kinematically connected on the one hand to the control member and on the other hand to said adjustment system.
- the regulating member which gives the precision to the movement is, in the usual cases, a balance associated with a spiral spring.
- the accuracy of walking can be adjusted by adjusting the active length of the coil spring.
- This adjustment is usually obtained by a racking system, known to those skilled in the art.
- the racket is a steel piece, with two arms, one short carries pins between which the hairspring passes, the other longer is an index, the end of which can move to a division, with AR (advance-delay) or FS (fast-slow).
- the racket is fat-rub on the cockroach.
- the diurnal march of the watch is modified by turning the racket, which modifies the active length of the spiral spring; the divisions marked on the cock allow to estimate approximately the effect of the retouch, the indication being given by the long arm.
- timepieces provided with a control member accessible from outside the timepiece by a user, to act on the racket, via a control member.
- the document CH30608 proposes an adjustment system actuated directly by the display index, the latter being secured to a ring rotatably mounted with reference to the movement.
- the ring comprises, on its inner side, an inclined plane on which the end of the long arm of the racket is pressed by a spring.
- the movement of the index thus makes it possible to rotate the racket.
- This system has a major disadvantage, since the actuation of the index requires access to organs arranged on the dial. The risks of damaging the needles, of disrupting them, or of introducing dust into the box are particularly great.
- the present invention aims to propose a timepiece provided with a system for adjusting the active length of the spiral spring which the team, accessible from outside the timepiece, free of disadvantages mentioned above. Disclosure of the invention
- the invention relates to a timepiece comprising:
- a movement provided with a balance-spring equipped with a system for adjusting the active length of said spiral, movable in rotation
- control member accessible from outside the timepiece by a user
- a transmission ring rotatably mounted at the periphery of the movement on a frame, said movement being disposed inside said transmission ring, the transmission ring being on the one hand connected or capable of being kinematically connected to the transmission ring; control member and, on the other hand, kinematically connected to said adjustment system,
- a display gear kinematically connected to the transmission ring and driving an indicator member for displaying the value of the adjustment applied to the active length of the spiral.
- the timepiece according to the invention comprises one or the other, optionally, in combination, of the following characteristics.
- the display train is formed of mobile mounted on a first independent module, assembled to said frame.
- the transmission ring is kinematically connected to the adjustment system by a transmission train formed of mobile mounted on a second independent module, assembled to said frame.
- It comprises means for displaying a service indication signifying that the displacement of the adjustment system has exceeded a predetermined value.
- the movement is housed in a box closed by a bottom and an ice, said movement being surmounted by a dial visible through the ice.
- the transmission ring carries a marking and the dial, the case or the bottom or middle of the box, has an opening through which said marking is visible, to signify the service information.
- the position of the adjustment system is lockable.
- the position of the adjustment system can be locked via the locking of the transmission ring.
- the transmission ring can be locked in rotation by at least one ball pawl arranged to cooperate with a plurality of housings, the ball catch system or the plurality of housings being arranged in the transmission ring or in the frame.
- the transmission ring comprises a braking surface and said timepiece comprises a locking member accessible from outside the timepiece, integral with a brake arranged to cooperate with the braking surface.
- Said locking member is movably mounted and capable of changing between a first state in which the brake bears against the braking surface, and a second state in which the brake leaves the braking surface free, a locking spring being arranged to exert a force on the locking member tending to maintain it in said first state.
- the control member is a ring rotatably mounted with reference to the box, in a middle that it comprises.
- the control member is a rotating bezel.
- the control member is the bottom that closes the box, rotatably mounted with reference to the box.
- the control member is a crown whose head is provided with a non-circular geometry structure, said head being housed in a recess in the middle of the box.
- the control member is a drive button mounted movably in the box.
- the kinematic connection between the control member and the transmission ring is disengageable.
- the transmission ring is driven incrementally.
- the control member is a solidary integral drive pusher of an asymmetrical connecting element, arranged to cooperate with a toothing arranged in the transmission ring to advance it in a determined step, said drive pusher being movable in rotation so that the connecting element can, by rotation of 180 °, pass from a first position in which it can actuate the transmission ring in a first direction, at a second position in which it can actuate the transmission ring in a second direction.
- the control member may also comprise two pushers, respectively arranged to cooperate with the transmission ring to drive in a first and a second direction.
- the indicator organ is a disc.
- FIGS. 1 and 2 illustrate possible constructions of a timepiece according to the invention
- FIGS. 3a, 3b, 3c and 4a, 4b, 4c and 5a, 5b illustrate various possible displays for a timepiece according to the invention
- FIGS. 6 to 11 represent variants of the invention.
- the invention relates to a mechanical timepiece comprising a movement 10 provided with a sprung balance 12, shown schematically in Figure 1. Like a sprung balance 12 of the state of the technique, the movement 10 is provided with a system for adjusting the active length of the spiral, rotatable, known to those skilled in the art under the name of racket and described in the introduction of the present application.
- the timepiece further comprises a control member 14 accessible from outside the timepiece by a user, arranged so as to allow the user to act on the adjustment system of the timepiece. the active length of the spiral from outside the timepiece, without having to open the box in which the movement 10 is housed.
- control member 14 is a ring 16 rotatably mounted with reference to the box, on a rod 18 pivoting in the middle of the box, similarly to a winding stem.
- the rod 18 carries, at its end, a pinion 20 integral with the ring 16.
- This pinion 20 is engaged with a transmission ring 22 rotatably mounted at the periphery of the movement 10 on a frame.
- the transmission ring 22 and the movement 10 are concentric.
- the movement 10 can thus be arranged inside the transmission ring 22, which allows a reduction in the thickness of the entire construction.
- the movement 10 is fixed to the box by fixing lugs or flanges 24 or any other appropriate element, not hindering the movements of the transmission ring 22.
- the transmission ring 22 takes the form of a casing within which the movement 10 takes place.
- the flanges 24 can be arranged in openings 26 in the housing. transmission ring 22 to allow free movement of the transmission ring 22.
- the transmission ring 22 is also kinematically connected to the adjustment system. To do this, different options are possible. A preferred option consists in gearing the transmission ring 22 and the racket, by means of a rack 28 or a toothed sector secured to the racket and shown schematically in FIG.
- a display gear train 30 kinematically connected to the transmission ring 22, is arranged to drive an element indicator, intended to display the value of the adjustment applied to the active length of the spiral.
- this display train 30 is formed of mobiles 30a, 30b mounted on a first independent module, assembled to the frame. More specifically, the display train 30 comprises a first mobile 30a engaged with the transmission ring 22, then a series of mobiles for adjusting the gear ratio between the transmission ring 22 and the body indicator, so as to have a clear and readable display.
- the indicator member may be a needle mounted on the axis of the last mobile of the display train 30.
- a disc display may also be envisaged.
- the mobiles of the display gear are mounted between a plate and a bridge 32 or between two bridges, forming an independent module, which can be arranged at any places of the movement 10, concentrically with the transmission ring 22, so as to keep the gear between this transmission ring 22 and the first mobile 30a of the display train 30.
- the transmission ring 22 can be kinematically connected to the adjustment system by a transmission gear train 34 formed of mobiles 34a, 34b mounted on a second independent module, assembled to said frame.
- the construction of the independent module is similar to that described above with regard to the display train and implements at least one bridge also bearing the reference 32.
- the transmission train 34 makes it possible to adapt the transmission ratio in order to have a fine adjustment of the position of the racket.
- the last mobile 30b of the display train 30 is engaged with the rack 28 of the racket.
- the modular construction also makes it possible to adapt the device to various movements, adapting to the position of the regulating member.
- Other options are possible for the kinematic connection between the adjustment system and the transmission ring 22, in particular by engaging the long arm of the racket in a housing of the last mobile of the display train.
- the adjustment of the operation of the watch should, theoretically, be used only for fine adjustment, of the order of a few seconds (about ten seconds) in advance or late per day. If the movement 10, for problems of aging, shock or other parameters, had to be corrected more importantly, then it would be appropriate to take the timepiece to a watchmaker for a complete maintenance and, if the case appropriate, identify and correct a particular problem.
- the display of the adjustment of the active length of the hairspring can be completed by means of displaying a service indication 40 signifying that the displacement of the adjustment system has exceeded a predetermined value, beyond from which it is considered that a complete interview should be carried out.
- This service indication can be displayed by various means.
- the indicating member itself may, beyond a graduation indicating the value of the setting, indicate that a service must be performed (see Figure 5b).
- the transmission ring 22 can also be used to indicate this information, since the position of the transmission ring 22 reflects the position of the racket. A marking can therefore be affixed to the ring, this marking being likely to appear to the user in an ad hoc window.
- the window may be formed in the dial 42, the middle part 44 of the box or in the bottom 46 of the box, the marking being able to be arranged on one or other of the faces of the transmission ring , that is to say on its upper face to be visible on the dial side 42, on an outer lateral face, to be visible through the middle part 44 or on its lower face to be visible bottom side 46.
- the indicator member (a moving needle 48 facing a graduated scale in FIGS. mobile graduated disc 50 opposite a fixed index for FIGS. 4) displays the setting of the step.
- the indications are visible on the dial.
- the marking affixed to the transmission ring 22 is visible.
- the marking is, for example, of a first color (FIG. 3b).
- the marking proposes another color ( Figure 3c).
- Figures 4 there is a similar representation, but bottom 46, including the indicator member displaying the setting of the active length of the spiral.
- Figure 5 provides a visible display at the middle of the middle 44 of the watch case. The possibilities offered in terms of design and display positioning are extremely diverse.
- the position of the adjustment member can be sensitive to shocks. Thus, it may be useful, in order to ensure and maintain a setting that has been made, to provide a locking system adjustment. Since the control member 14, the transmission ring 22 and the system for adjusting the active length of the hairspring are kinematically connected, it is possible to act on one or the other of these elements for maintain the adjustment.
- the ball catch system 52 may be disposed in the transmission ring 22 and the housings 54 in the frame, but the opposite is also possible.
- a ball pawl 52 the ball is pressed by a spring so as to project and engage in the corresponding housing 54. Only a sufficient force, resulting from a voluntary action on the control member, to move the transmission ring 22, while shocks occurring in normal use have no consequence.
- Figure 6 one can see three ball pawls 52, substantially distributed around the transmission ring 22. Such a distribution improves the stability of the ring.
- the three pawls 52 may be slightly offset with respect to an exact distribution.
- the ratchets 52 do not act at the same time, but in turn. This makes it possible to have successive stable positions separated by an angle less than the pitch separating the housings 54, this step being dependent on the size of the ball of the pawl. It is thus possible to express the angular difference between pawls according to 360 / N - P / N, where N is the number of pawls and P is the pitch separating two consecutive housings 54 cooperating with a click, in the assumption that this step is constant.
- Figures 8a and 8b propose another solution for locking the position of the transmission ring 22.
- the transmission ring 22 comprises at least one braking surface 60, for example taking the form of a rim 62 disposed projecting at the outer periphery of the ring.
- the flange 62 may have a dovetail section, the opposing intersecting surfaces defining the braking surfaces.
- the timepiece comprises a locking member 64 accessible from outside the timepiece, integral with a brake 66 arranged to cooperate with the braking surface 60.
- the locking member 64 is mounted mobile and capable of evolving between a first state in which the brake 66 bears against the braking surface 60, and a second state in which the brake 66 leaves the braking surface 60 free, a locking spring being arranged to exert a force on the locking member 64 tending to maintain it in said first state.
- the locking member 64 takes the form of a pusher, integral with a clamp, inside which is engaged the rim of the transmission ring.
- the clip is of section substantially corresponding to that of the transmission ring, while allowing it to evolve between its two states, shown in Figures a and b respectively. It can be seen that, in FIG. 1, the clamp presses on the braking surfaces 60, under the action of a spring (not shown), blocking the rotation of the transmission ring 22. It is necessary to press on the pushing, by acting simultaneously on the control member 14, adjust the active length of the spiral.
- control member 14 is a ring 16 rotatably mounted with reference to the box
- a middle that it comprises can be provided a ring 16 screwed type.
- a latch 68 is arranged at the rod 18.
- This latch can take the form of an ear having an opening through which the rod 18 passes.
- the shape of the opening of the the ear and that of the rod are arranged so that the rod 18 must be pulled so that the rotation of the crown is possible. This can be achieved for example by arranging on the rod two adjacent portions of different sections, one capable of pivoting within the opening of the ear, the other not allowing such pivoting.
- Figures 7a and 7b propose an embodiment in which the control member 14 is a rotating bezel 70.
- the rotating bezel 70 has, on its underside oriented bottom side, a toothing 72.
- the timepiece comprises a pusher 74 carrying a sliding pinion 76. This is arranged so that, when the pusher is actuated, meshing with the toothing 72 of the rotating bezel 70.
- a second pinion 78 meshes permanently with the transmission ring 22.
- the rotating bezel 70 is disengaged from the transmission ring 22 and a rotation of the rotating bezel 70 does not affect the adjustment of the movement of the movement 10.
- an action on the pusher 74 engages the sliding pinion 76 and the rotating bezel 70 is then kinematically connected to the system for adjusting the active length of the spiral. It is then possible to make an adjustment.
- the bottom 46 of the box is rotatably mounted with reference to the box, like a rotating bezel 70. It is possible to provide a disengageable connection, as proposed above, or a permanent connection, as shown in FIG. the figure.
- the bottom 46 has a toothing 46a connected to the transmission ring 22 by two toothed wheels 80 mounted on a shaft.
- control member 14 is a ring 16 whose head is provided with a non-circular geometry structure 82.
- the structure is in relief, which can be in positive or negative in relation to the level of the head.
- the head is housed in a recess in the middle of the box 44 and does not protrude from the box. In this way, the use of a tool 83 shaped to cooperate with said structure is necessary to perform the adjustment and accidental drive is not possible.
- FIGS. 9a and 9b propose a further variant in which the control member 14 is a driving pusher 90 movably mounted in the box, in a substantially radial translation movement, with reference to the center of the movement 10 and according to a rotational movement around its axis.
- the drive pusher 90 is integral with an asymmetrical connecting element, represented by an asymmetric flexible blade 92, the end of which is capable of cooperating with an external toothing 94 that the transmission ring 22 comprises, during a
- the term "asymmetric" implies that the connecting element, in this case the end of the flexible blade 92, acts off-axis with respect to the axis of the pusher, on the external teeth 94. This provision provides a disengageable connection between the control member 14 and the transmission ring 22.
- the flexible blade 92 is just one example. One can also provide a tilting finger, similar to a latching system.
- the drive pusher 90 can occupy a first position ( Figure 9a) in which the end of the flexible blade 92 can actuate the transmission ring 22 according to a first direction.
- the drive pusher 90 can occupy a second position ( Figure 9b) in which the end of the blade can actuate the transmission ring 22 in a second direction.
- the transmission ring 22 advances by one step, corresponding to the pitch of the external toothing 94. This is advantageously arranged so that a step corresponds to a setting of 'a second.
- the first and second positions of the drive pusher 90 are indexed by indexing means of the choice of the person skilled in the art.
- a simple rotational abutment of the drive pusher 90, coupled with sufficient friction rotation allows the user to identify that the pusher is in one or the other of the first and second positions.
- the drive pusher 90 proposed in Figure 9 could be replaced by two pushers, respectively arranged to cooperate with the transmission ring 22 to drive in a first and a second direction.
- the use of one or two pushers, as control member 14 involves an incremental drive.
- the presence of ball pawls 52 or a jumper at the level of the transmission ring 22 also implies an incremental drive.
- the incremental displacement of the transmission ring 22 allows to have a jumping drive of the indicator member.
- the indicator member may be a disk 50 visible through a window.
- control member 14 The different variants proposed for the control member 14 are compatible with the use of independent modules to carry the transmission train 34 or the display gear 30. It will also be noted that these various control members can also be implemented with a transmission ring kinematically connected to the adjustment system or to an indicator organ in any way, that is to say without the implementation of independent modules, which makes it possible not to exclude possible deposits subsequent patent applications, based on the present description, specifically relating to the various variants of control members, locking the adjustment system or disengagement of the kinematic link between the control member and the transmission ring.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Gears, Cams (AREA)
- Electric Clocks (AREA)
- Transmission Devices (AREA)
- Measurement Of Predetermined Time Intervals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00404/10A CH702852B1 (fr) | 2010-03-20 | 2010-03-20 | Pièce d'horlogerie. |
PCT/EP2011/054278 WO2011117209A1 (fr) | 2010-03-20 | 2011-03-21 | Piece d'horlogerie |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2550567A1 true EP2550567A1 (fr) | 2013-01-30 |
Family
ID=44356216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11708893A Withdrawn EP2550567A1 (fr) | 2010-03-20 | 2011-03-21 | Piece d'horlogerie |
Country Status (6)
Country | Link |
---|---|
US (1) | US8651733B2 (fr) |
EP (1) | EP2550567A1 (fr) |
JP (1) | JP5756133B2 (fr) |
CN (1) | CN102859451B (fr) |
CH (1) | CH702852B1 (fr) |
WO (1) | WO2011117209A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103293942B (zh) * | 2012-03-01 | 2016-07-06 | 亿科钟表科技(深圳)有限公司 | 机械手表 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH4367A (fr) * | 1892-02-06 | 1892-04-30 | Louis Roussillon | Montre à réglage par la lunette de la boîte |
CH16447A (fr) * | 1898-04-01 | 1898-11-30 | Constant Beguelin | Mécanisme de remontoir et de mise à 'heure avec dispositif de réglage pour montres à remontoir |
CH30608A (fr) * | 1904-05-02 | 1904-12-31 | L A & J Ditesheim | Montre avec raquetterie perfectionnée |
CH126616A (de) * | 1927-03-15 | 1928-07-02 | Leo Graubart | Taschenuhr. |
CH280237A (fr) * | 1949-11-10 | 1952-01-15 | Schild Sa A | Pièce d'horlogerie. |
CH336008A (fr) * | 1958-01-15 | 1959-01-31 | Morf Ernest | Dispositif de commande de la raquette d'une montre depuis l'extérieur de la boîte et utilisation de ce dispositif |
CH1681068A4 (fr) * | 1968-11-11 | 1972-10-31 | ||
JPS4917664Y1 (fr) * | 1970-02-28 | 1974-05-08 | ||
BE795423A (fr) | 1972-04-03 | 1973-05-29 | Ampex | Convertisseur numerique-analogique non lineaire pour circuits d'asservissement |
US3797226A (en) * | 1972-05-16 | 1974-03-19 | Citizen Watch Co Ltd | Timepiece fitted with a regulator controllable from outside |
JPS4915961U (fr) * | 1972-05-16 | 1974-02-09 | ||
JPS4930072A (fr) * | 1972-07-17 | 1974-03-18 | ||
JPS5026862U (fr) * | 1973-07-04 | 1975-03-27 | ||
JPS50115067U (fr) * | 1974-03-01 | 1975-09-19 | ||
JPS5143157U (fr) * | 1974-09-27 | 1976-03-30 | ||
JPS5149761A (ja) * | 1974-10-25 | 1976-04-30 | Seiko Instr & Electronics | Denshidokeiyokankyusochi |
JPS533813Y1 (fr) * | 1976-01-08 | 1978-01-31 | ||
JPS5495272U (fr) * | 1977-12-16 | 1979-07-05 | ||
EP1582943B1 (fr) * | 2004-04-01 | 2008-09-03 | Richemont International S.A. | Mouvement de montre comportant plusieurs barillets |
EP1959317B1 (fr) * | 2007-02-14 | 2010-04-28 | Maurice Lacroix SA | Mécanisme de transmission commutable |
CH705276B1 (fr) * | 2007-12-28 | 2013-01-31 | Chopard Technologies Sa | Organe d'entraînement et de transmission pour un échappement à ancre, plateau et échappement en étant équipés, et pièce d'horlogerie les comportant. |
-
2010
- 2010-03-20 CH CH00404/10A patent/CH702852B1/fr active IP Right Maintenance
-
2011
- 2011-03-21 US US13/635,956 patent/US8651733B2/en not_active Expired - Fee Related
- 2011-03-21 WO PCT/EP2011/054278 patent/WO2011117209A1/fr active Application Filing
- 2011-03-21 EP EP11708893A patent/EP2550567A1/fr not_active Withdrawn
- 2011-03-21 JP JP2012557569A patent/JP5756133B2/ja not_active Expired - Fee Related
- 2011-03-21 CN CN201180014845.0A patent/CN102859451B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2011117209A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20130010577A1 (en) | 2013-01-10 |
JP5756133B2 (ja) | 2015-07-29 |
US8651733B2 (en) | 2014-02-18 |
CH702852B1 (fr) | 2014-09-30 |
CN102859451B (zh) | 2014-08-13 |
CH702852A1 (fr) | 2011-09-30 |
WO2011117209A1 (fr) | 2011-09-29 |
CN102859451A (zh) | 2013-01-02 |
JP2013522614A (ja) | 2013-06-13 |
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