EP3559755A2 - Composant monolithique flexible pour pièce d'horlogerie - Google Patents
Composant monolithique flexible pour pièce d'horlogerieInfo
- Publication number
- EP3559755A2 EP3559755A2 EP17825498.3A EP17825498A EP3559755A2 EP 3559755 A2 EP3559755 A2 EP 3559755A2 EP 17825498 A EP17825498 A EP 17825498A EP 3559755 A2 EP3559755 A2 EP 3559755A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- monolithic component
- rigid
- component according
- drive member
- timepiece
- 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.)
- Granted
Links
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- 230000007246 mechanism Effects 0.000 claims description 29
- 238000006073 displacement reaction Methods 0.000 claims description 27
- 238000004804 winding Methods 0.000 claims description 16
- 210000003739 neck Anatomy 0.000 claims description 11
- 238000013519 translation Methods 0.000 claims description 6
- 230000014616 translation Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
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- 238000010146 3D printing Methods 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 230000009349 indirect transmission Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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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
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
- G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
- G04B19/253—Driving or releasing mechanisms
-
- 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
- G04B13/00—Gearwork
-
- 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
- G04B13/00—Gearwork
- G04B13/02—Wheels; Pinions; Spindles; Pivots
-
- 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
- G04B5/00—Automatic winding up
- G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
- G04B5/04—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is limited
- G04B5/08—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is limited acting in both directions
-
- 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
- G04B5/00—Automatic winding up
- G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
- G04B5/18—Supports, suspensions or guide arrangements, for oscillating weights
- G04B5/185—Suspension of the moving weight by elastic means
Definitions
- the subject of the present invention is a monolithic component intended for a timepiece, in particular a mechanical timepiece, designed to transmit the movement of an actuator of the timepiece to a driven part of the workpiece. watchmaking.
- patent application WO 2012/010408 discloses elastic pivot oscillating mechanisms and energy transmission mobiles comprising such oscillating mechanisms, which are intended to replace a rocker, respectively a conventional exhaust, so as to achieve a regulating organ using monobloc components.
- the patent application EP 1 306 733 discloses a control member of which at least two parts are manufactured in one piece, but which also comprises other articulated parts, which are not all located in the same plane.
- Japanese patent JP 4 917 909 has a jumper consisting of a base fixed to the bridge and a rigid end serving as an indexing tip, two elastic arms serving as a link between the base and the indexing tip, the jumper allowing to secure the position of a toothed ring.
- the present invention aims to reduce the number of components constituting a complete mechanism or a functional subset, with a view to to reduce the problems related to the friction and the games between these components constituting a conventional clock mechanism, to control the positions, and thus to guarantee the reliability of the mechanism. More specifically, the purpose of the invention is to provide functional monolithic components of the defined input type, enabling the transmission of energy by means of driving along paths of various directions. Another object of the invention is to provide monolithic components forming a constant force transmission member which allows a better reproducibility and a better safety of the actuation of the driven part. In addition, the object of the invention is to produce such monolithic components by means of known manufacturing techniques of the watchmaking construction.
- the present invention proposes for this purpose monolithic components for a timepiece, in particular a mechanical timepiece, comprising at least a rigid part and an elastically flexible part and designed to transmit the movement of an actuator of the timepiece to a driven part of the timepiece, said monolithic components comprising
- the present invention therefore proposes monolithic components formed of a plurality of rigid zones and flexible zones.
- the terms "rigid” and “flexible” are to be understood here in the context of the watchmaking domain, that is to say that a flexible zone suffers sufficient flexion for the desired motion transmission under the effect of the mechanical force. that the actuator is capable of producing, whereas in this situation a rigid zone does not deform significantly.
- the actuator may be an independent part of the monolithic component, coming into contact with said first drive member to generate said displacements.
- the actuator may also be integral with the monolithic component.
- the components of said displacement with two degrees of freedom are chosen from translations, rotations and combinations thereof.
- the first resiliently flexible structure may comprise two flexible blades each extending between said frame and said first drive member. The points of contact of the two flexible blades with the first drive member may be arranged in different areas of said first drive member. One of said two flexible blades may comprise a bent portion substantially at right angles. A rigid intermediate portion may be arranged between two flexible portions of the flexible structure.
- the first elastically flexible structure may also comprise one or more flexible necks arranged between two rigid elements of said monolithic component.
- the monolithic component preferably comprises a second functional member and a second elastically flexible structure connecting said frame to said second functional member, said second elastically flexible structure being configured so as to put said second member into position. functional member in contact with a driven part.
- said second functional member is a holding member, configured to temporarily secure a workpiece driven by said first drive member in its position.
- said driven part is a toothed disk
- the actuator is a control wheel equipped with a drive finger
- said first drive member is a rocker
- said second functional member is a necklace.
- the monolithic component constitutes an automatic winding mechanism, integrating an oscillating weight as an actuator, the driven part being an automatic winding wheel, and said first driving member comprising two fingers which both play, alternately, the role of coach finger.
- the aforementioned components are preferably made of hardenable steels, also called maraging steels, for example Durnico steel. Such materials, in sheets or thin sheets, can be machined by wire cutting, by stamping, or by femtoprint to make components extending in a single plane.
- Figure 1 is a schematic top view illustrating by way of example a kinematic actuator - monolithic component - driven part made using a monolithic component according to the present invention.
- Figures 2a to 2h are schematic views showing eight alternative embodiments of a monolithic flexible leaf component according to the present invention.
- Figure 3 shows a monolithic component according to the present invention adapted to be integrated into an instantaneous date mechanism.
- Figures 4a to 4f are schematic views showing six alternative embodiments of a holding member with its flexible structure that can be part of a monolithic component according to the present invention.
- FIG. 5 shows an automatic winding mechanism comprising a monolithic component according to the present invention.
- FIG. 6 represents a kinematic diagram of the embodiments of a monolithic component according to the present invention presented in FIGS.
- Figure 1 shows an actuator kinematic - monolithic component - driven part illustrating schematically and by way of example the inventive concept.
- This chain comprises an actuating finger 1, a monolithic component according to the invention, and a driven part 5 which may for example consist of a toothed wheel or a ring / toothed disc.
- the monolithic component comprises several parts, namely a first rigid drive member 3, a second rigid functional member 4, namely in the embodiment illustrated by way of example in FIG.
- a holding member 4 a rigid frame 6, a first elastically flexible structure - comprising in the embodiment illustrated by way of example in Figure 1 two flexible blades 2, 2 '- which connects the first rigid drive member 3 to the frame 6, and a second elastically flexible structure - constituted in the embodiment illustrated by way of example in Figure 1 by a flexible blade 2 "- which connects the second functional member 4, in the illustrated example the holding member 4, 6.
- the frame 6 is the part of the monolithic component according to the present invention making it possible to fix it to the timepiece, normally to a bridge of this timepiece, in which the monolithic component has to be made. If the monolithic component necessarily includes a first rigid drive member
- the actuating finger 1 fixed on a control wheel rotatably mounted in said timepiece, slides during the progressive rotation of said control wheel, on a suitable portion 31 of the first rigid drive member 3, generating a displacement of the latter controlled by the first elastically flexible structure, that is to say in the example shown in Figure 1 by the two blades 2, 2 ', and limited by the contact of said first drive member 3 with the driven wheel 5.
- the end of the drive member Rigid 3 in the form of a hook constitutes a drive means 34 adapted to engage with the toothing of the driven wheel 5 in order to drive it.
- the drive means 34 performs a displacement having a component parallel to the circumference of said driven wheel 5 and a component perpendicular to said circumference.
- the assembly of the first drive member 3 performs an alternating two-dimensional oscillation movement. This movement is possible thanks to the elastic deformation of the blades 2, 2 ', of the first elastically flexible structure, and causes, when the drive means 34 engages in the toothing of the driven wheel 5, the rotation of the wheel 5 in the direction of the arrow indicated in FIG. 1.
- the displacement of the driven part 5 is a rotation but could also be a pivoting, a translation, or any other displacement as a function of the concrete application for which the monolithic component according to the present invention is used.
- the elastic contact of this holding member 4 with the driven wheel 5 secures, outside the training phases of the driven wheel 5 by the first member rigid drive 3, this driven wheel 5 against inadvertent rotation.
- the function of the second functional element 4 may, in general, consist of a function other than the maintenance of a given part of a corresponding timepiece, this part not necessarily being the part driven by the first rigid drive member 3, but may also be another part of this timepiece.
- a kinematic chain as shown by way of example in FIG. 1 can be realized, using a monolithic component according to the present invention, using at most three separate physical parts, know the actuator, the monolithic component, and the driven part. It remains to be specified in this context that the principle illustrated by means of the example of FIG. 1 can be implemented in the form of a multitude of variants, in particular by modifying the arrangement of the first elastically flexible structure and / or of the second elastically flexible structure and, alternatively or additionally, the function and / or the arrangement of the first rigid drive member and / or the second functional member.
- FIGS. 2a to 2h are schematic views illustrating the inventive concept of guidance with several degrees of freedom by means of a connection by an elastically flexible structure 2, 2 ', in particular by a plurality of flexible blades, between a rigid frame 6 and A rigid functional member 3.
- Eight embodiments of a monolithic component with flexible blades, in these cases with a single functional member, are shown therein, to show by way of example at least a part of the multitude of variants. potentially feasible, since it is not possible to describe here all feasible variants.
- the frames 6 are shown with crosses, the functional members 3 are shown hatched, and the blades 2, 2 'elastically flexible structures do not have hatching since they are thin enough, rigid intermediate parts 7 which may be part of the elastically flexible structures - as indicated schematically in Figures 2c and 2h - are greyed out.
- the rigid intermediate portions 7 are areas of the monolithic component significantly thicker than the areas constituting flexible blades 2, 2 '.
- the actuator respectively the actuating finger 1, which impacts the rigid functional member 3, preferably at the end of the functional member 3 opposite its engaging hook-shaped end in the driven part 5 and thus having the role of a driving finger, but which can also impact a rigid intermediate portion 7 of an elastically flexible structure, and the driven part 5 are not shown in the figures.
- the flexible blade 2 of the embodiments of a monolithic component according to Figures 2a, 2b, 2d, 2e, 2f, and 2g form a bend at about 90 °.
- the functional member 3 of the corresponding monolithic component can not only move in a substantially horizontal direction in this plane, but, thanks to this elbow, also a displacement in a direction substantially vertical in this plane.
- the bend at approximately 90 ° is preferably formed on the flexible blade 2 located towards the end of the functional member 3 in the form of hook engaging in the driven part 5 and thus having the role of coach finger.
- an elastically flexible structure forms a bend at about 90 ° through at least one rigid intermediate portion 7, as illustrated in Figures 2c and 2h.
- the flexible blade 2 comprises a plurality of flexible portions oriented perpendicularly to each other and separated by a rigid intermediate portion 7.
- the flexible blade 2, which is formed by several parts separated by a rigid intermediate portion 7 so as to form a bend at about 90 °, is preferably located towards the end of the hook-shaped functional member 3 engaging in the driven part 5 and therefore having the role of a coach finger.
- FIGS. 2c and 2h show that a flexible blade 2 'or also 2 may be fixed either directly to the rigid frame 6 or to the rigid intermediate portion 7.
- FIGS. 2a to 2h also show, schematically with the aid of the arrows and by way of example, the types of movement combinations that can be achieved by a monolithic component according to the present invention that provides guidance with at least two degrees of freedom a rigid functional member by means of a connection by an elastically flexible structure, in particular by at least two flexible blades, between a rigid frame and this rigid functional body.
- FIGS. 2a to 2h also show, schematically with the aid of the arrows and by way of example, the types of movement combinations that can be achieved by a monolithic component according to the present invention that provides guidance with at least two degrees of freedom a rigid functional member by means of a connection by an elastically flexible structure, in particular by at least two flexible blades, between a rigid frame and this rigid functional body.
- FIGS. 1a, 2b, 2d, 2e, 2f, and 2g show a monolithic component whose first elastically flexible structure comprises flexible blades 2, 2 'configured so as to provide a displacement of at least two degrees of freedom of said first drive member 3, that is to say the functional member, the two degrees of freedom of the predefined movement of the functional member 3 consisting of a rotation combined with a movement according to a center of distance of elasticity ( CÉÉ / also called "remote center of compliance (RCC)).
- CÉÉ / also called "remote center of compliance (RCC) FIGS.
- FIGS. 2c and 2h show a monolithic component whose first elastically flexible structure comprises flexible blades 2, 2 'configured so as to ensure displacement of at least two degrees of freedom of the functional member 3, the two degrees of freedom of the predefined movement of the functional member 3 consisting of two combined translations, respectively in a translation combined with a movement according to a remote center of elasticity.
- Figure 3 shows a monolithic component according to the present invention adapted to be integrated into an instantaneous date mechanism of a corresponding timepiece. This component is intended to be interposed in a kinematic chain such as that shown in Figure 1.
- this monolithic component serves as drive member and securing a disc / date ring.
- a functional body in
- said second functional element serving as a jumper 4 can have two functions, since this holding element can become, during a lapse of time during operation of the mechanism, a driving element.
- the general arrangement, respectively the operation, of an instantaneous date mechanism are known to those skilled in the art and will therefore not be described at this point, the description being limited to the monolithic component according to the present invention.
- the monolithic component shown in Figure 3 alone allows to replace more than a dozen parts, including pins and pins, usually used in a date mechanism construction according to the state of the art.
- FIG. 6 represents a principle kinematic diagram of a monolithic component according to the invention in which the flexible blades 2, 2 'have been replaced by rigid elements articulated at their ends by pivot links. This component extends in a work plane which is that of Figures 1 to 3.
- the kinematic diagram of Figure 6 corresponds to the embodiments shown in Figures 1 to 3 except Figure 2c and will be used in the following to explain more generally the function of the parts of a monolithic component according to the present invention.
- the first elastically flexible structure of a monolithic component comprises a first flexible blade 2 extending between the frame 6 and the drive member 3 and defining a first mounting point 32 at the drive member 3.
- This first mounting point 32 is movable with reference to the frame 6 along a linear path to a degree of freedom located in the work plane.
- This trajectory may be an arc as in Figures 2d, 2e, 2f, 2g, 2h or 6.
- the shape of the flexible blade 2 may have two parts extending in substantially opposite directions so that the displacement of the point recess 32 is substantially rectilinear as is the case on the embodiments shown in Figures 1, 2a, 2b and 3.
- the flexibility of the blade 2 is that the rigid drive member 3 is movable in rotation with reference to the frame 6 about an axis perpendicular to the work plane.
- the first elastically flexible structure of a monolithic component according to the present invention comprises a second flexible blade 2 'defining a second embedding point 33 at the driving member 3.
- the second flexible blade 2 ' has (in addition) two parts extending in substantially perpendicular directions and interconnected by a bend 35 shown in FIG. 6 symbolically by a pivot connection.
- the two parts of the second flexible blade 2 ' can be separated physically by a rigid intermediate portion 7 as in the configuration of Figure 2h.
- the second embedding point 33 is movable with reference to the frame 6 in a plane path with two degrees of freedom located in the work plane.
- the invention is not limited to monolithic components whose second flexible blade 2 'comprises two separate parts separated by a bend or a rigid intermediate portion.
- the second flexible blade 2 ' may have any kind of geometry adapted so that the second blade 2' can bend causing displacement of the second embedding point 33 in the work plane.
- the first 32 and second 33 embedding points of the first 2 and second 2 'flexible blades in the first drive member 3 are arranged in different areas of said first drive member 3.
- the distance of the points d recess 32 and 33 is at least a quarter of the length of the flexible blade 2. More concretely, to move away the mounting points 32, 33 can greatly increase the moment quadratic of the first flexible structure along an axis of the work plane, in other words, to improve the guiding of the first drive member 3 in the work plane. Alternatively, for the same rigidity of the first drive member 3 in the work plane, moving the mounting points 32, 33 away reduces the quadratic moment and therefore the section of each of the flexible blades.
- the drive means 34 is also remote from the embedding point 32 so that its movement is effected by two degrees of freedom in the work plane. It is advantageous to provide abutments cooperating with the first drive member 3 and / or the flexible arms 2, 2 'to limit the deformation of the elastically flexible structure to its elastic domain.
- the stops may for example be integrated in the rigid frame 6. With or without stops, the deformations of the flexible blades 2, 2 'are limited and define a working area 36 in which the drive means 34 is movable, schematically illustrated in FIG. Figure 6 by a hatched area.
- the flexible blades 2, 2 'exert an elastic restoring force which tends to bring the drive means 34 back to a rest position substantially in the center of the working zone 36.
- the actuator 1 acting on the adapted portion 31 of the first drive member 3 causes a displacement of the drive means 34 which describes a working path 37 shown, by way of example, in FIG. 1.
- the Work path 37 delimits a non-zero surface forming a loop, that is, the return path to the home position is not superimposed on the forward path. This loop can be obtained in response to the movement of the actuator 1 alone.
- the actuator 1 may, for example, be an eccentric guiding a circular displacement of the adapted portion 31 which will cause a working path 37 in the form of a loop.
- the displacement of the driving member 3 is also generated by the driven part 5. This is the case in the example of Figure 1 where the driven part 5 deviates the outward path of the driving means 34, the drive means 34 sliding on a tooth of the driven part 5 to the over to drive on the return path.
- the displacement of the drive member 3 can also be generated by an additional guide member intended to come into contact with the first drive member 3 moving under the action of the actuator.
- the additional guide member may be from the frame 6 or be attached to a bridge, the plate or other element of the timepiece.
- the actuation of a mechanism by a variable actuating force has several disadvantages. This is for example the case when a user actuates a mechanism directly using a controller. The mechanism must be dimensioned to support the most powerful actuations, which can for example result from a shock on a pusher.
- additional safety devices may have to be provided to secure the position of the moving parts.
- the actuating force also varies when the actuator of the mechanism is moved by the energy source of the timepiece whose engine torque varies with the reassembly.
- the present invention overcomes these drawbacks by providing a monolithic component providing a constant force actuating device.
- the monolithic component according to the invention makes it possible to accumulate energy coming from the actuator in elastic form and to restore it with a constant force to the driven part, independently of the actuating force of the actuator.
- the driving of the driven part 5 is caused solely by the return to the rest position of the drive means 34 under the action of the flexible blades 2, 2 '.
- the indirect transmission of the actuating force using the monolithic component of the invention thus makes it possible to make reliable and secure the mechanisms to be actuated and to simplify their design.
- FIGS. 4a to 4f are diagrammatic views illustrating with the same reference numbers and graphics as above in the context of FIG. 1 six embodiments of a second functional member 4, in particular of a holding member such as used in the application illustrated in Figure 3.
- This holding member 4 is connected to a portion of a rigid frame 6 by means of a second resiliently flexible structure consisting of one or two blades 2 ".
- a second resiliently flexible structure consisting of one or two blades 2 ".
- the flexible blade (s) 2 "of a second elastically flexible structure may be configured as a straight blade, shaped complete or partial U, V-shaped complete or partial, or double straight blade, respectively double U-shaped blade or V, or combinations of these configurations.
- FIG. 5 shows a monolithic component constituting with the driven part an automatic winding mechanism capable of being integrated into a timepiece.
- the reference numbers and graphics are the same as above, especially in the context of Figure 1. Unlike the embodiments described above, this monolithic component is permanently secured to an actuator formed of an oscillating mass.
- the oscillating mass is connected to the frame 6 of the monolithic component by two flexible necks 2 "', that is to say by two short parts having a central narrowing allowing their flexion and thus acting as a flexible blade.
- These two flexible necks 2 "' are each secured to one end of a rigid intermediate portion 7 of substantially straight shape, each of the two intermediate portions 7 corresponding being in turn connected at its other end by a flexible neck 2"' to said frame 6.
- the oscillating mass is connected to the frame 6 by means of two elastically flexible structures each comprising a rigid intermediate portion 7 of substantially straight shape and two flexible necks 2 "'integral with the ends of the rigid intermediate portion 7.
- the flexible necks 2 "' are functionally equivalent to the above-mentioned flexible blades 2, 2', the term flexible" neck “being used here primarily for That this structure is shorter and thus allows to define a reduced amplitude of the corresponding movement in comparison with the movement defined by a "blade" flexible longer length.
- the frame 6 may comprise a wider surface bridge serving as a point of attachment of said two flexible necks 2 '' linking the two intermediate parts 7 to the frame 6 and a substantially circular peripheral portion surrounding said oscillating mass and the intermediate parts rigid 7.
- Two other flexible necks 2 "' preferably attached near the corresponding ends of the two intermediate parts 7 which are integral with the oscillating mass 1', connect said two rigid intermediate portions 7 of substantially straight shape to a third rigid intermediate portion 7 of shape substantially square with a rounded corner
- This third rigid intermediate portion 7 is located centrally between said two rigid intermediate portions 7 of substantially straight shape arranged parallel to each other
- the third rigid intermediate portion 7 surrounds a winding wheel automatic 5, which forms in this application of the monolithic component the driven part, and carries two flexible blades 2, 2 'arranged tangentially with respect to said winding wheel 5.
- Each of the two flexible blades 2, 2' is terminated by a first member rigid drive 3, respectively by a second drive member ment 4, in particular by driving pins 3, 4-shaped hook.
- each of the first and second rigid drive members 3, 4 is connected to the frame 6 by means of a corresponding first elastically flexible structure comprising two rigid intermediate portions 7 of substantially straight shape, a third rigid intermediate portion 7 , four flexible collars 2 "'integral rigid intermediate portions 7 of right shape and, in part, the third rigid intermediate portion 7, and a flexible blade 2, 2' .
- each of these first resiliently flexible structures which are distinguished only by the flexible blade 2 or 2 ', forms a bend at about 90 °, analogically to what has been explained above with respect to Figures 2c and 2h.This is possible in particular by means of the flexible blades 2, 2 'as well as flexible blades formed by the flexible necks 2 "', these portions of each first elastically flexible structure being separated by means of rigid intermediate members 7 and oriented perpendicular to each other, so as to allow respectively to increase considerably, the freedom of movement of the corresponding functional member 3, 4 in one of the directions of its displacement.
- the rigid functional members in the form of the driving fingers 3, 4 are able to engage in the teeth of the winding wheel 5 and both play, alternatively, the role of a driving finger when the mass oscillates from left to right. right and vice versa and that the two flexible blades 2, 2 'perform a corresponding movement.
- the monolithic component therefore drives with the aid of the driving fingers 3, 4, at each oscillation of sufficient amplitude of the oscillating mass 1 ', respectively at each sufficient movement of one of the two flexible blades 2, 2', the automatic winding wheel 5 in rotation, so that it rotates one or more notches in the direction of the arrow, depending on the oscillation amplitude of the oscillating mass.
- the monolithic component can also be used with only the first member rigid drive 3.
- the general operation of a self-winding mechanism is also known to those skilled in the art and will therefore not be described in more detail here.
- the monolithic component described above makes it possible to replace a set of at least a dozen parts constituting an automatic winding mechanism, for example of the Pellaton type, of the prior art.
- the monolithic component according to the invention for producing an automatic winding mechanism comprises a frame 6, a flexible structure and a drive member 3 comprising a drive means 34 adapted to cooperate with a driven member. 5 of the mechanism, in this case an output mobile.
- the drive means 34 constitutes a unidirectional drive device of the output mobile.
- the flexible structure is positioned between the frame 6 and the drive member so as to make the drive means 34 movable with reference to the frame in two degrees of freedom in a work plane which is that of the figure in the example of Figure 5.
- the flexible structure may comprise rigid intermediate portions 7 as in the examples of the Figures 2c and 2h.
- At least one mass is integral with the flexible structure.
- the mass can be reported or be part of the monolithic component as in the example shown in Figure 5.
- the mass is movable with reference to the frame according to at least one degree of freedom in the work plane.
- the resilient members of the flexible structure return the mass to a rest position such that their assembly constitutes an oscillator.
- the accelerations supplied to the timepiece cause the displacement of the mass which drives the drive means 34 and consequently the driven member 5 in its movement. Numerous configurations having these common characteristics are possible.
- the mass can be rotatable or with several degrees of freedom in the work plane.
- the monolithic component may be made of hardenable steel, preferably Durnico steel. Moreover, it can be machined by wire cutting, by stamping, or by femtoprint which consists of a modification of the physical properties and a machining of transparent material by means of a femtosecond laser, followed by a hetching, but in all cases to extend in one plane.
- Other techniques for manufacturing such a monolithic component are possible, for example, Liga, 3D printing, and all silicon-related manufacturing processes.
- the height of such a monolithic component is preferably in a range from 0.1 mm to 5 mm and the width of the flexible blades of its first elastically flexible structure is, of preferably, in a range from 5 ⁇ to 1 mm, but these values may also be somewhat outside these ranges.
- this monolithic component can be realized in a multitude of embodiments arranged differently according to the needs of the specific watch application, so that it can be used for a considerable number of horological applications.
- this monolithic component provides several important advantages.
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01737/16A CH713288A1 (fr) | 2016-12-23 | 2016-12-23 | Composant monolithique flexible pour pièce d'horlogerie. |
PCT/EP2017/083646 WO2018115014A2 (fr) | 2016-12-23 | 2017-12-19 | Composant monolithique flexible pour pièce d'horlogerie |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3559755A2 true EP3559755A2 (fr) | 2019-10-30 |
EP3559755B1 EP3559755B1 (fr) | 2020-11-11 |
Family
ID=60935831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17825498.3A Active EP3559755B1 (fr) | 2016-12-23 | 2017-12-19 | Composant monolithique flexible pour pièce d'horlogerie |
Country Status (6)
Country | Link |
---|---|
US (1) | US20190332061A1 (fr) |
EP (1) | EP3559755B1 (fr) |
JP (1) | JP7105779B2 (fr) |
CN (1) | CN109952541B (fr) |
CH (1) | CH713288A1 (fr) |
WO (1) | WO2018115014A2 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3644129A1 (fr) * | 2018-10-24 | 2020-04-29 | Patek Philippe SA Genève | Organe de guidage flexible |
JP7240877B2 (ja) * | 2019-01-07 | 2023-03-16 | シチズン時計株式会社 | 時差修正機構及び時差修正機構付時計 |
CH715864B1 (fr) * | 2019-02-19 | 2022-08-15 | Richemont Int Sa | Organe de blocage pour un mouvement horloger. |
NL2023420B1 (en) * | 2019-07-02 | 2021-02-02 | Flexous Mech Ip B V | Watch or timepiece |
NL2023823B1 (en) * | 2019-09-12 | 2021-05-17 | Flexous Mech Ip B V | Watch |
EP3795855A1 (fr) * | 2019-09-20 | 2021-03-24 | Patek Philippe SA Genève | Procede de realisation d'un ressort horloger en materiau monocristallin et ressort horloger obtenu par ce procede |
CH716983A1 (fr) | 2019-12-20 | 2021-06-30 | Mft Dhorlogerie Audemars Piguet Sa | Mécanisme horloger destiné à être entraîné suivant un nombre de pas variable. |
EP3919988A1 (fr) * | 2020-06-04 | 2021-12-08 | Montres Breguet S.A. | Mecanisme articule d'horlogerie a guidage flexible |
EP4137893A1 (fr) * | 2021-08-20 | 2023-02-22 | Montres Breguet S.A. | Dispositif â déploiement de type diaphragme, notamment pour l' horlogerie |
EP4215999A1 (fr) | 2022-01-24 | 2023-07-26 | Flexous Mechanisms IP B.V. | Collecteur d'énergie pour un dispositif vestimentaire et/ou portatif |
WO2023248177A1 (fr) | 2022-06-23 | 2023-12-28 | Lvmh Swiss Manufactures Sa | Mécanisme de commande d'horlogerie a comportement bistable |
WO2023248178A1 (fr) | 2022-06-23 | 2023-12-28 | Lvmh Swiss Manufactures Sa | Mécanisme de commande d'horlogerie a comportement bistable |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52139468A (en) * | 1976-05-17 | 1977-11-21 | Seiko Instr & Electronics Ltd | Calendar correcting mechanism for timepiece |
CH695802A5 (fr) | 2001-10-23 | 2006-08-31 | Franck Muller Watchland Sa | Dispositif de commande pour pièce d'horlogerie. |
JP4386022B2 (ja) * | 2004-11-10 | 2009-12-16 | セイコーエプソン株式会社 | 時計の表示装置、ムーブメント、および時計 |
JP2008058012A (ja) * | 2006-08-29 | 2008-03-13 | Seiko Instruments Inc | 時計用ジャンパ付き歯車、時計のスリップ機構付き歯車構造体、時刻修正構造、及び時差修正付き時計 |
JP4917909B2 (ja) | 2007-02-15 | 2012-04-18 | セイコーインスツル株式会社 | ジャンパ構造体並びにこれを備えたカレンダ機構及びカレンダ機構付き時計 |
CH708113B1 (de) * | 2007-09-13 | 2014-12-15 | Stéphane Von Gunten | Anker für eine Uhrenhemmung. |
EP2105806B1 (fr) * | 2008-03-27 | 2013-11-13 | Sowind S.A. | Mécanisme d'échappement |
EP2553533B2 (fr) * | 2010-04-01 | 2019-06-19 | Rolex S.A. | Dispositif de blocage pour roue dentée |
WO2012010408A1 (fr) | 2010-07-19 | 2012-01-26 | Nivarox-Far S.A. | Mecanisme oscillant a pivot elastique et mobile de transmission d'energie |
EP2831677B1 (fr) | 2012-03-29 | 2016-05-25 | Nivarox-FAR S.A. | Mécanisme d'échappement flexible à cadre mobile |
EP2730980B1 (fr) * | 2012-11-09 | 2018-08-29 | Nivarox-FAR S.A. | Mécanisme horloger de limitation ou transmission |
CH707811A2 (fr) | 2013-03-19 | 2014-09-30 | Nivarox Sa | Composant monobloc indémontable d'horlogerie. |
JP6494266B2 (ja) * | 2013-12-13 | 2019-04-03 | ロレックス・ソシエテ・アノニムRolex Sa | 時計仕掛けのムーブメントのためのジャンパー |
EP2977830B1 (fr) * | 2014-07-23 | 2017-08-30 | Nivarox-FAR S.A. | Mécanisme d'échappement à force constante |
EP3032351A1 (fr) * | 2014-12-09 | 2016-06-15 | LVMH Swiss Manufactures SA | Mécanisme d'horlogerie, mouvement d'horlogerie et pièce d'horlogerie comportant un tel mécanisme |
CH710692B1 (fr) * | 2015-02-03 | 2021-09-15 | Eta Sa Mft Horlogere Suisse | Mécanisme oscillateur d'horlogerie. |
-
2016
- 2016-12-23 CH CH01737/16A patent/CH713288A1/fr not_active Application Discontinuation
-
2017
- 2017-12-19 WO PCT/EP2017/083646 patent/WO2018115014A2/fr unknown
- 2017-12-19 US US16/349,952 patent/US20190332061A1/en active Pending
- 2017-12-19 JP JP2019532972A patent/JP7105779B2/ja active Active
- 2017-12-19 EP EP17825498.3A patent/EP3559755B1/fr active Active
- 2017-12-19 CN CN201780069215.0A patent/CN109952541B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CH713288A1 (fr) | 2018-06-29 |
JP2020502525A (ja) | 2020-01-23 |
JP7105779B2 (ja) | 2022-07-25 |
WO2018115014A3 (fr) | 2018-10-18 |
WO2018115014A2 (fr) | 2018-06-28 |
EP3559755B1 (fr) | 2020-11-11 |
CN109952541B (zh) | 2021-05-07 |
US20190332061A1 (en) | 2019-10-31 |
CN109952541A (zh) | 2019-06-28 |
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