EP3483667A1 - Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse - Google Patents

Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse Download PDF

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Publication number
EP3483667A1
EP3483667A1 EP17201348.4A EP17201348A EP3483667A1 EP 3483667 A1 EP3483667 A1 EP 3483667A1 EP 17201348 A EP17201348 A EP 17201348A EP 3483667 A1 EP3483667 A1 EP 3483667A1
Authority
EP
European Patent Office
Prior art keywords
flange
movement
contact
box
length
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP17201348.4A
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English (en)
French (fr)
Inventor
Benoit Junod
James Rejzner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolex SA
Original Assignee
Rolex SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolex SA filed Critical Rolex SA
Priority to EP17201348.4A priority Critical patent/EP3483667A1/de
Priority to US16/184,113 priority patent/US11604436B2/en
Priority to US16/184,116 priority patent/US11327442B2/en
Priority to CN201811348758.9A priority patent/CN109782566B/zh
Priority to JP2018212662A priority patent/JP7370698B2/ja
Publication of EP3483667A1 publication Critical patent/EP3483667A1/de
Pending legal-status Critical Current

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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
    • G04B37/00—Cases
    • G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
    • G04B37/05—Fixed mountings for pocket or wrist watches
    • G04B37/052—Fixed mountings for pocket or wrist watches with shock damping means not related to the winding stem

Definitions

  • the invention relates to a system for fixing a watch movement to a watch case element.
  • the invention also relates to a watch assembly comprising such a system.
  • the invention also relates to a timepiece comprising such a system or such an assembly.
  • the invention finally relates to a method of operating such a system or such a set or such a timepiece.
  • Two or three casing flanges are generally used for assembling or fixing a watch movement within a watch case, in particular within a caseband.
  • each casing flange When assembling the movement within the box, each casing flange is inserted into a cutout formed on the inner circumference of the middle part and then fixed to the movement by means of a fixing means.
  • This cut can in particular be shaped so that the flange can induce an adequate prestressing force, which allows to press the movement against the middle part of the box in order to meet predefined criteria.
  • a criterion may, for example, be a minimization of the movement of the movement amplitude for a given shock intensity, as well as a given flange geometry and material, without risk of plasticizing the flanges.
  • FIGS. 1 and 2 illustrate a construction of such a flanged casing device.
  • At least one flange 1 * is pressed against flat surfaces 2a *, 3a * and parallel, which are respectively associated to a movement 2 * and to a middle 3 * of a box 30 *.
  • the flange 1 * is thus elastically deformed during the assembly of the movement so that the elastic restoring force of the flange maintains a surface 2b * of the movement 2 * against a surface 3b * of the middle part * 3.
  • the holding of the flange on the movement is here ensured by a screw 4 *.
  • the object of the invention is to provide a watch movement fixing system in a watch case to overcome the disadvantages mentioned above and to improve the devices known from the prior art.
  • the invention proposes a fastening system whose reliability and robustness is improved relative to the known systems of the prior art.
  • FIGS 1 and 2 are sectional views of an assembly known from the prior art.
  • the figures 3 and 4 are views of a first embodiment of a timepiece in two states.
  • the figures 5 and 6 are views of a second embodiment of a timepiece in two states.
  • the figure 7 is a detailed perspective view of a first flange geometry that can be used in a fastening system according to the invention.
  • the figure 8 is a summary table illustrating the behavior of flanges of the same geometry in different embodiments.
  • the figure 9 is a graph illustrating the behaviors of fastening systems of the figure 8 when the movement is moved relative to the box.
  • the figure 10 is a detailed perspective view of a second flange geometry that can be used in a fastening system according to the invention.
  • the figure 11 is a longitudinal sectional view of a third flange geometry that can be used in a fastening system according to the invention.
  • the figures 12 and 13 are detail views of exemplary motion surface geometries for cooperating with flanges.
  • the figure 14 is a view of a third embodiment of a timepiece in a state of rest.
  • the Figures 15 to 17 are graphs representing recall efforts of a movement as a function of its displacement relative to a box for different types of flanges.
  • the timepiece is for example a watch, in particular a wristwatch.
  • the timepiece comprises a watch case or a watch case comprising a caseband 3.
  • the watch case 30 contains a watch movement 2.
  • the movement may be a mechanical movement or an electronic movement.
  • the watch movement 2 and / or an element 3 of the watch case and / or the watch case 30 may constitute or be part of a watch assembly 200 comprising or participating in a system 10 for fastening the watch movement 2 to the watch.
  • the watch case element may for example be a middle or an enlargement circle.
  • the system has the particularity of implementing elastic casing flanges whose stiffnesses are likely to vary according to the stresses applied to them, in particular during the movement of the watch movement opposite the watch case in the event of impact. or when assembling the movement to the box.
  • the system has the particularity of implementing a particularly rigid casing and insensitive to variations in manufacturing and / or assembly tolerances.
  • Such an embodiment has the advantage of providing a perennial fastening system, which avoids in particular the risk of plastic deformation of the flanges involved in the assembly and / or the risk of inadvertent disassembly of the fastening means of said flanges, especially in case of shock of the watch.
  • the rigidity of a flange can be characterized by the intensity of its arrow following a request or a given effort. It is possible to modulate the rigidity of a flange by modifying its active length and / or by modifying its points or bearing surfaces during its loading. The rigidity modification device exploits this possibility.
  • the device for modifying the stiffness of the at least one flange is preferably arranged so that the bent length of the at least one flange is modified, in particular so that the bent length of the at least one flange is reduced.
  • At least one flange 1 is pressed against a surface 2A of the movement.
  • the at least one flange bears against a surface 3A of the box, in particular against one end of a surface 3A of the box.
  • the surface 3A is for example a range of a cutout 31 or a recess 31 made in the box element, especially in the middle part.
  • the flange 1 is thus deformed elastically during the assembly of the movement so that the elastic restoring force of the flange maintains the surface 2b of the movement 2 against the surface 3b of the box 3.
  • the holding the flange on the movement is here ensured by a screw 4.
  • the screw 4 is for example screwed into a tapping provided in the movement.
  • the screw passes through a hole 14 formed in the flange 1.
  • the head of the screw bears against a surface of the flange 1.
  • the first and second surfaces 2b and 3b are for example planar. They are preferably perpendicular to an axis A1 of the movement.
  • This axis A1 is perpendicular to a plane of the movement, in particular to a plane of a frame of the movement and / or the axis A1 is parallel to the direction in which the movement is introduced into the element 3 of the watch case.
  • the active bending length Lf of the flange corresponds to a limited portion of the total length L of the flange.
  • the active bending length Lf extends between a first zone forming a first bent end 12 and a second zone forming a second bent end 13.
  • the first end 12 is at the limit of contact between the movement and the flange.
  • the second end 13 is at the contact limit between the box and the flange.
  • the length La is the length of the flange which bears on the movement. This length can possibly discontinuous. It extends between the extreme limits where the flange 1 bears on the movement.
  • the bearing surface 2A of the movement comprises at least a portion 2a 'of surface forming an angle ⁇ with the frame of the movement.
  • This portion 2a ' is adjacent to a portion 2a against which the screw 4 plates the flange against the frame of the movement.
  • the portion 2a is for example flat.
  • the surface portion 2a ' forms the non-zero angle ⁇ with the portion 2a against which the flange bears when the movement is in a rest position in which the first surface 2b of the movement is in contact against the second surface 3b of the box element.
  • the flange 1 is elastically deformed by contact with all or part of the surface 3A under the action of the screw 4.
  • the flange is elastically deformed over an axial distance interference corresponding to the interference of material between the flange and the box before elastic deformation of the flange.
  • portion 2a 'thus gives the flange at least a second stiffness that it is likely to retain until the return of the elastic restoring force of said flange, either as long as the flange is in contact with the flange. portion 2a '. Moreover, the portion 2a 'makes it possible to distribute the stresses over a larger surface area of the flange and thus avoids the concentrations of stresses that are too large, which may exceed the elastic limit of the material in which the flange is made.
  • the bending length Lf of the flange may vary, it may especially be between La / 4 ( figure 4 ) and La / 1.5 ( figure 3 ).
  • the length Lf here is likely to vary abruptly from La / 1.5 to La / 4 between the configuration of the figure 3 and the configuration of the figure 4 .
  • the mode of stresses of the flange is also likely to be changed abruptly by moving from a similar configuration to that of a recessed beam to a configuration similar to that of a beam in four-point flexion.
  • the angle ⁇ is preferably strictly less than 45 °, or even less than 20 °, or even less than 15 °, or even less than 10 °. This angle ⁇ is preferably greater than 1 °, especially greater than 2 °.
  • the portion 2a ' must be distinguished from a simple chamfer resulting from the manufacture of the surface 2A.
  • the portion 2a ' may, moreover, occupy all or part of the surface 2A.
  • the support or the contact of the bent first end 12 of the flange against the movement is changed when the movement is attached to the watch case member or moved relative to the watch case element from a rest position in which the first surface 2b of the movement is in contact against the second surface 3b of the box member.
  • the device for modifying the rigidity of the at least one flange comprises the portion 2a '.
  • the portion 2a ' is for example flat.
  • a second embodiment of a timepiece 400 is described below with reference to figures 5 and 6 .
  • the timepiece can differ from that of the first mode only by the device for modifying the rigidity of the at least one flange.
  • the bearing surface 3A of the box comprises at least one portion 3a 'of surface forming an angle ⁇ with the frame of the movement or with a plane perpendicular to the axis A1 of the movement.
  • This portion 3a ' is adjacent to a portion 3a against which the flange rests in the rest position of the movement or during fixation of the movement in the box.
  • the portion 3a is for example flat and is for example perpendicular to the axis A1 of the movement.
  • the portion 3a 'of surface 3A forms an angle ⁇ with the portion 3a of surface 3A.
  • the flange 1 is elastically deformed by contact with all or part of the surface 3A under the action of the screw 4.
  • the flange is elastically deformed over an axial distance interference corresponding to the interference of material between the flange and the box before elastic deformation of the flange.
  • portion 3a 'thus gives the flange at least a second stiffness that it is likely to retain until the return of the elastic restoring force of said flange, either as long as the flange is in contact with the flange. portion 3a '.
  • the bending length Lf of the flange may vary, it may especially be between La / 4 ( figure 6 ) and La / 2.5 ( figure 5 ).
  • the length Lf is here likely to vary from La / 2.5 to La / 4 between the configuration of the figure 5 and the configuration of the figure 6 .
  • the angle ⁇ is preferably strictly less than 45 °, or even less than 20 °, or even less than 15 °, or even less than 10 °. This angle ⁇ is preferably greater than 1 °, especially greater than 2 °.
  • the portion 3a ' must be distinguished from a simple chamfer resulting from the manufacture of the surface 3A.
  • the portion 3a ' may, moreover, occupy all or part of the surface 3A.
  • the support or contact of the bent second end 13 of the flange against the box member is changed when the movement is attached to the watch case member or moved relative to the box member.
  • watch case from a rest position in which the first surface 2b of the movement is in contact against the second surface 3b of the box member.
  • the device for modifying the rigidity of the at least one flange comprises the portion 3a '.
  • the portion 3a ' is for example flat.
  • a third embodiment of a timepiece 400 is described below. This mode is represented on the figure 14 . It combines the first embodiment and the second embodiment.
  • the device for modifying the rigidity of the at least one flange comprises a portion inclined on the movement intended to cooperate with the at least one flange (especially as the portion 2a 'of the first embodiment shown on the figures 3 and 4 ) and an inclined portion on the box member for cooperating with the at least one flange (particularly as the portion 3a 'of the second embodiment shown on the figures 5 and 6 ).
  • the support or the contact of the first bent end 12 of the flange against the movement and the support or the contact of the second bent end 13 of the flange against the box element are modified when the movement is attached to the watch case member or moved relative to the watch case member from a rest position in which the first movement surface 2b is in contact with the second surface 3b of the element of box.
  • a device for modifying the flange rigidity is advantageously provided at each flange.
  • the devices for modifying the flange rigidity are identical for each flange.
  • Each flange may be of parallelepipedal or substantially parallelepipedal shape as shown in FIG. figure 7 .
  • a flange or each flange comprises a cross section S whose quadratic moment evolves along a longitudinal axis 11 of the flange.
  • the width L 'of the flange changes along the longitudinal axis 11. This evolution is present between the fastening element 14 and the end 15 of the flange, in particular over more than half of the portion s' extending between the element of fastener 14 and the end 15 of the flange.
  • the width L decreases preferably as one approaches the end 15.
  • the thickness e of the flange changes along the longitudinal axis 11. This evolution is present between the fastening element 14 and the end 15 of the flange, in particular over more than half of the portion s' extending between the fastener 14 and the end 15 of the flange.
  • the thickness e decreases preferably as one approaches the end 15.
  • the evolution of the width and / or the thickness and / or the geometry of the flange may be such that the transverse sections evolve so that the profile of the maximum stresses in the sections is constant or substantially constant at least over a part of the length of the flange, in particular between the fastening element 14 and the end 15 of the flange, in particular over more than half of the portion extending between the fastening element 14 and the end 15 of the bridle.
  • the flange may, in particular, have a profile of equal resistance to bending or "iso-stress". More generally, the sections of the flange can evolve so as to best distribute the constraints within it, and thus to minimize them.
  • the movement is intended to be assembled directly within a middle part.
  • the movement can be assembled on another box element, such as a bottom or a telescope, intended to be attached to a caseband.
  • the watch assembly 200 may also comprise a casing ring or enlarging circle, this casing or enlargement ring being able to be secured to the movement or the middle part by associated fastening means.
  • the portions 2a ' can be made at least partly on the casing ring or the portions 3a' can be made at least partly on the casing ring.
  • the casing flanges have been described fixed on the movement.
  • the fastening means of the flanges can be mounted on a casing ring.
  • the means for fixing the flanges can be mounted on a box element, in particular on a middle part.
  • the portions 2a 'and 3a' have been described as planar portions.
  • portion 2a 'and / or the portion 3a' may (wind) be convex (s) or curved (s), in particular be in the form of a cylinder portion, as shown in FIG. figure 12 for portion 2a '.
  • portion 2a 'and / or the portion 3a' can (wind) be discontinuous (s), in particular be formed by a staircase, as shown on the figure 13 for portion 2a '.
  • the movement in the fixed state of movement to the box member, the movement being in the rest position in which the first surface 2b of the movement is in contact with the second 3b surface of the box element, there may exist a game e1 ( Figure 3 ) between the flange and a point of the movement against which the flange can come into contact by bending the flange.
  • the value of the set e1 is lower than Lc1, or even lower than Lc1 / 3, or even lower than Lc1 / 4 and / or the value of the set e1 is greater than Lc1 / 60, or even greater than Lc1 / 30, with Lc1 the length of L1.
  • the projection in the plane of the frame of the movement of the portion 2a ' the length Lc1 is between Lf / 10 and Lf with Lf measured in the idle state.
  • the movement in the fixed state of movement to the box member, the movement being in the rest position in which the first surface 2b of the movement is in contact with the second surface 3b of the box member.
  • the value of the clearance e2 is less than Lc2, or even less than Lc2 / 3, or even less than Lc2 / 4 and / or the value of the clearance e2 is greater than Lc2 / 60, or even greater than Lc2 / 30, with Lc2 the length of L2. the projection in the plane of the box element of the portion 3a '.
  • the length Lc2 is between Lf / 10 and Lf with Lf measured in the idle state.
  • each flange has a fastener element 14 to the movement or to the box element.
  • This element is for example a passage hole 14 for the passage of a screw 4.
  • the flange may be made of steel or a superelastic alloy and / or a shape memory alloy, in particular a nickel-titanium alloy such as Nitinol or a nickel alloy.
  • the flange 1 may be flat or not.
  • the flange may have a bent geometry.
  • the flange 1 may have a symmetrical profile or not.
  • Configuration A corresponds to an encasing configuration according to the prior art illustrated by the Figures 1 and 2 .
  • Configuration B corresponds to the casing configuration of the first embodiment illustrated by the figures 3 and 4 .
  • the configuration C corresponds to the casing configuration of the second embodiment illustrated by the figures 5 and 6 .
  • the configuration D corresponds to the casing configuration of the third embodiment illustrated by the figure 14 .
  • the table of the figure 8 highlights in particular the fact that the configurations B, C, D make it possible to propose a particularly rigid assembly, while minimizing the residual deformations of the flanges, whereas the flanges of the configuration A are greatly plasticized because, in particular, of a axial displacement d too much produced during the shock. Since in this configuration Def> I, the plasticization of the flange here induces the displacement of the movement of the middle part, namely the loss of contact between the movement and the middle part. After shock, the movement is no longer assembled satisfactorily in the box.
  • the configuration D allows, as for it, to limit as much as possible the displacement of the movement vis-à-vis the box and to limit as much as possible the residual deformation of the flanges.
  • the curves representing the stiffness characteristics of the flanges taking part respectively in the configurations B, C and D are provided with a point of inflection. This results in a first flange rigidity, especially during the assembly of the movement (of ⁇ l + d 0 ) and a second flange rigidity, in particular during a shock of a predefined intensity when the movement is displaced from the flange.
  • the flanges may have a first and a second stiffness when assembling the movement within the box element or have a second rigidity once the assembled movement, following a shock of a predefined intensity for example.
  • the figure 9 thus highlights a modulus of rigidity of the flanges of the configurations B, C, and D due to a modification of their active length or a modification of their points or of their bearing surfaces when these are requested, whether during the assembly of the movement or during a shock of the watch case after assembly of the movement.
  • the flange can be made of steel, especially Durnico steel.
  • a shape memory alloy such as Nitinol, can advantageously be chosen for its superelastic properties.
  • a flange formed of such an alloy has, in fact, the advantage of generating a force varying significantly less than a flange made of durnico steel beyond a given threshold of prestressing, and this because of the phase change of material according to its rate of deformation according to the solicitations it undergoes during the casing or that it is likely to undergo during an impact. This property is therefore particularly advantageous in order to best compensate for the variations in force induced by the variations in assembly configurations caused by manufacturing and / or assembly tolerances of the movement and of the box, and thus makes it possible to propose a device for particularly robust assembly.
  • a flange formed of such a superelastic alloy makes it possible to generate very substantial elastic restoring forces compared with those known from the flanged fitting devices known from the prior art.
  • the choice of such a material is therefore particularly advantageous in order to increase the rigidity of the casing, the advantages of which are those highlighted by means of studies of the applicant, and which are set out in the patent application EP2458456 , namely in particular a dramatic decrease in the acceleration experienced by the movement, for example during a shock on a hard surface.
  • the invention also relates to a method of operating a fastening system which is the subject of the invention, in particular a method of operating the embodiments described above.
  • the fastening system has an operation comprising a step of modifying the rigidity of the at least one flange, in particular modifying the flexural stiffness of the flange. at least one flange, when the movement is fixed and / or when the movement is moved relative to the watch case element.
  • the flexed length of the at least one flange is modified, in particular the flexed length of the at least one flange is reduced, when the movement is fixed and / or when the movement is moved relative to the element of a watch case from a rest position in which the first surface 2b of the movement is in contact with the second surface 3b of the watch case element.
  • the timepiece 400 in particular a wristwatch, or the assembly 200 comprises a system 10 for fixing a watch movement 2 to a watchcase element 3, the system comprising at least one flange 1, in particular at least two flanges, preferably three flanges or four flanges, intended to come into contact with the movement on the one hand and with the watch case element on the other hand, the at least one flange being a superelastic alloy and / or a shape memory alloy, especially a nickel-titanium alloy such as Nitinol.
  • Nitinol is a superelastic and shape memory alloy. Indeed, in a temperature range corresponding to the use that is made of the flanges (-10 ° C to 40 ° C for example), Nitinol is austenitic phase, so superelastic.
  • Nitinol is an alloy of nickel and titanium in which these two elements are approximately present in the same percentages, ie approximately 55% by weight or 60% by weight of nickel and approximately 45% by weight or 40% by weight of titanium and possibly elements of nickel. addition in less proportion such as chromium, cobalt, or niobium.
  • Other shape memory alloys exist such as AuCd, CuAlBe, CuAlNi or CuZnAl in monocrystalline or polycrystalline form.
  • the alloys can also undergo particular heat treatments to acquire their superelasticity character.
  • the 60NiTi alloy is nominally 60% by weight nickel and 40% by weight titanium.
  • the 55NiTi alloy is nominally 55% by weight of nickel and 45% by weight of titanium.
  • the Nitinol # 1 alloy consists of 54.5 wt.% At 57.0 wt.% Nickel and between 43.0 wt.% And 45.5 wt.% Titanium with a maximum of 0.25 wt.% Of other elements such as chromium, cobalt, copper, iron or niobium in particular.
  • Nitinol alloy has been studied and the results are shown on the Figures 15 to 17 It consists in particular of about 56% by weight of nickel and about 44% by weight of titanium and addition elements such as Cr, Cu, and Fe.
  • the alloy CuAl12Be (0.45-0.68) is nominally 12% by weight of aluminum and 0.45% by weight with 0.68% by weight of Beryllium, with a balance of copper.
  • CuAl13Ni4 alloy is nominally 83% by weight of copper, 13% by weight of aluminum and 4% by weight of nickel.
  • the figure 15 illustrates a graph showing the evolution of the restoring force generated by two flanges in their elastic domain, made respectively of Durnico steel (Curve 6) and Nitinol (Curve 5a, 5b), according to their state of pre- voltage "interference I", once the movement nested in a configuration A.
  • This graph shows a curve 5a, 5b having two distinct portions 5a, 5b of substantially different slopes, unlike the curve 6 which has only one limited portion.
  • the Nitinol flange is prestressed in such a way that it behaves according to the characteristic of the portion 5b of the curve.
  • the variation of force produced by a Nitinol flange is minimized compared with that which a Durnico steel flange can produce.
  • Nitinol flange In order to better stiffen the casing and to contain the superelastic character of the alloy in the casing phase, the geometry of a Nitinol flange can evolve with respect to the known flanges of the prior art.
  • the thickness e of a Nitinol flange may, for example, be increased with respect to that of a flange made of Durnico steel, and / or the flexural length Lf, constant or not depending on the stresses, may be minimized. .
  • e ⁇ 0.5 mm for a Nitinol flange Preferably, e ⁇ 0.5 mm for a Nitinol flange.
  • Lf ⁇ 1.35 mm for a Nitinol flange Preferably, Lf ⁇ 1.35 mm for a Nitinol flange.
  • the figure 16 illustrates a graph showing the evolution of the return force generated respectively by two flanges in their elastic domain, respectively made of durnico steel (curve 6) and Nitinol (curve 5a, 5b), depending on their state of pre -tension "interference I", once the movement nested in a configuration A.
  • the figure 17 illustrates a graph showing the evolution of the return force generated respectively by two flanges in their elastic domain, respectively made of durnico steel (curve 6) and Nitinol (curve 5a, 5b), depending on their state of pre “interference I" voltage, once the movement is in a configuration A.
  • "iso-constrained" geometry is here comparable to that of the figure 10 with a width L 'of greater dimension of 2.05 mm.
  • the system has the particularity of implementing a particularly rigid casing and insensitive to variations in manufacturing and / or assembly tolerances.
  • the active bending length Lf * of the flange corresponds to a limited portion of the total length L * of the flange.
  • the length Lf * is notably substantially less than the support length La * of the flange against the movement, in particular Lf * ⁇ La * / 4.
  • This length Lf * may be insufficient during assembly of the movement in the box, which may induce a residual deformation of the flange may reduce the elastic return force potentially produced by said flange.
  • This situation may in particular lead to the loss of contact between the surfaces 2b * and 3b *, which are respectively associated with the movement 2 * and the box 3 *.
  • This situation can also reduce the forces under the head of the screw 4 *, which can lead to a risk of inadvertent unscrewing of said screw 4 *.
  • this length Lf * may then prove to be excessive once the movement has been assembled in the box, in particular with respect to a predefined threshold of impact resistance and / or a given amplitude of displacement of the movement, which may also induce a residual deformation of the flange may reduce the elastic return force initially produced by said flange.
  • the volume available at the interface of the movement and the box can be chosen to achieve the flanges, and can not suffice to completely obviate the risk of residual plasticization of said flanges to from a given threshold value of shock.
  • the term "superelastic alloy” is preferably understood to mean an alloy whose deformation at the elastic limit is greater than 2%, or even greater than 5%, or even greater than 8%.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Clamps And Clips (AREA)
  • Electric Clocks (AREA)
  • Casings For Electric Apparatus (AREA)
EP17201348.4A 2017-11-13 2017-11-13 Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse Pending EP3483667A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP17201348.4A EP3483667A1 (de) 2017-11-13 2017-11-13 Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse
US16/184,113 US11604436B2 (en) 2017-11-13 2018-11-08 System for fixing a timepiece movement in a watch case
US16/184,116 US11327442B2 (en) 2017-11-13 2018-11-08 System for fixing a timepiece movement in a watch case
CN201811348758.9A CN109782566B (zh) 2017-11-13 2018-11-13 用于在表壳中固定时钟机芯的系统
JP2018212662A JP7370698B2 (ja) 2017-11-13 2018-11-13 時計ムーブメントを小型時計ケースに固定するシステム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17201348.4A EP3483667A1 (de) 2017-11-13 2017-11-13 Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse

Publications (1)

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EP3483667A1 true EP3483667A1 (de) 2019-05-15

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EP17201348.4A Pending EP3483667A1 (de) 2017-11-13 2017-11-13 Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse

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EP (1) EP3483667A1 (de)
JP (1) JP7370698B2 (de)
CN (1) CN109782566B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4312086A1 (de) * 2022-07-28 2024-01-31 Rolex Sa Zifferblatt für uhr

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3869278B1 (de) * 2020-02-21 2023-03-08 Montres Breguet S.A. Vertikale kupplungsvorrichtung für uhr
EP4202569A1 (de) 2021-12-21 2023-06-28 Montres Breguet S.A. Armbanduhrengehäuse mit drehbarem aussenring

Citations (5)

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FR2211690A1 (de) * 1972-12-26 1974-07-19 Seiko Instr & Electronics
DE2316784A1 (de) * 1973-04-04 1974-10-17 Kienhoefer & Moog Gmbh Kg Werkhaltering fuer uhrwerke
EP1182522A1 (de) * 2000-08-22 2002-02-27 Conseils et Manufactures VLG SA Befestigungsvorrichtung
EP2458456A1 (de) 2010-11-25 2012-05-30 Rolex Sa Armbanduhr mit starrem Werkgestell, und Einsetzverfahren in das Werkgestell

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633356A (en) * 1969-08-25 1972-01-11 Citizen Watch Co Ltd Mechanism for detachably attaching a timepiece movement to a watch casing, especially the middle ring thereof
FR2211690A1 (de) * 1972-12-26 1974-07-19 Seiko Instr & Electronics
DE2316784A1 (de) * 1973-04-04 1974-10-17 Kienhoefer & Moog Gmbh Kg Werkhaltering fuer uhrwerke
EP1182522A1 (de) * 2000-08-22 2002-02-27 Conseils et Manufactures VLG SA Befestigungsvorrichtung
EP2458456A1 (de) 2010-11-25 2012-05-30 Rolex Sa Armbanduhr mit starrem Werkgestell, und Einsetzverfahren in das Werkgestell

Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP4312086A1 (de) * 2022-07-28 2024-01-31 Rolex Sa Zifferblatt für uhr

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CN109782566A (zh) 2019-05-21
CN109782566B (zh) 2022-05-24
JP2019113532A (ja) 2019-07-11
JP7370698B2 (ja) 2023-10-30

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