EP3483668B1 - Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse - Google Patents
Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse Download PDFInfo
- Publication number
- EP3483668B1 EP3483668B1 EP17201351.8A EP17201351A EP3483668B1 EP 3483668 B1 EP3483668 B1 EP 3483668B1 EP 17201351 A EP17201351 A EP 17201351A EP 3483668 B1 EP3483668 B1 EP 3483668B1
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- EP
- European Patent Office
- Prior art keywords
- flange
- movement
- watch case
- une
- clamps
- 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.)
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Images
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
-
- 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
- G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
- G04B43/002—Component shock protection arrangements
Definitions
- the invention relates to a system for attaching 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 an assembly 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 middle part.
- each casing flange is inserted into a cutout formed on the internal circumference of the middle part, then fixed to the movement by means of a fixing means.
- This cutout can in particular be shaped so that the flange can induce an adequate prestressing force, which makes it possible to press the movement against the middle of the case in order to satisfy predefined criteria.
- a criterion can, for example, be a minimization of the amplitude of displacement of the movement for a given intensity of impact, as well as a given geometry and material of flange, without risk of plasticization of the flanges.
- the figures 1 and 2 illustrate one construction of such a flanged socket. At least one flange 1* is pressed against flat and parallel surfaces 2a*, 3a*, which are respectively associated to a 2* movement and a 3* build of a 30* case. The flange 1* is thus elastically deformed during assembly of the movement so that the elastic return force of the flange maintains a surface 2b* of the movement 2* against a surface 3b* of the middle 3*. The clamp is held to the movement here by a 4* screw.
- the document DE 2316784 also describes such an attachment using tabs and a retaining ring.
- the object of the invention is to provide a timepiece comprising a system for fixing a timepiece movement in a watchcase making it possible to remedy the drawbacks mentioned above and to improve the known devices of the prior art.
- the fastening system has improved reliability and sturdiness compared to known systems of the prior art.
- the timepiece is for example a watch, in particular a wristwatch.
- the timepiece comprises a watch case or a watch case 30 comprising a middle part 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 can constitute or form part of a watch assembly 200 comprising or taking part in a system 10 for fixing the watch movement 2 to the watch box 30 element 3.
- the watch case element is a middle part or an enlargement circle.
- the system has the particularity of implementing elastic fitting flanges whose rigidities are likely to vary according to the stresses applied to them, in particular when the watch movement moves opposite the watch case in the event of an impact. or when assembling the movement to the case.
- the system has the particularity of implementing a particularly rigid interlocking that is not very sensitive to variations in manufacturing and/or assembly tolerances.
- Such an embodiment has the advantage of proposing a permanent fastening system, which in particular obviates the risk of plastic deformation of the flanges taking part in the assembly and/or the risks of untimely dismantling of the fastening means of said flanges, in particular in the event of impact. of the watch.
- the rigidity of a flange can be characterized by the intensity of its deflection following a stress 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 stiffness modification device exploits this possibility.
- the device for modifying the rigidity 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 , when the movement is fixed to the watchcase element or moved relative to the watchcase element from a rest position in which a first surface 2b of the movement is in contact against a second surface 3b of the element box.
- the first surface 2b is for example a face of the movement.
- the second surface 3b is for example a bearing surface made in the case, for example in the caseband.
- 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 surface of a cutout 31 or a recess 31 made in the case element, in particular in the caseband.
- the flange 1 is thus elastically deformed during assembly of the movement so that the elastic return force of the flange maintains the surface 2b of the movement 2 against the surface 3b of the case 3.
- the flange on the movement is here ensured by a screw 4.
- the screw 4 is for example screwed into a thread provided in the movement.
- the screw passes through a hole 14 made 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 flat. 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 watchcase.
- 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 located at the limit of contact between the movement and the flange.
- the second end 13 is located at the limit of contact between the box and the flange.
- the length La is the length of the bridle which rests on the movement. This length can possibly be discontinued. It extends between the extreme limits where the flange 1 bears against the movement.
- the bearing surface 2A of the movement comprises at least one surface portion 2a' forming an angle ⁇ with the frame of the movement.
- This portion 2a' is adjacent to a portion 2a against which the screw 4 presses 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.
- flange 1 is elastically deformed by contact with all or part of surface 3A under the action of screw 4.
- the flange is elastically deformed over an axial distance interference corresponding to the material interference between the flange and the box before elastic deformation of the flange.
- the flange is pressed against the surface 2A and maintained in a state of pre-tension by means of the screw 4.
- the bending length Lf of the flange is defined in particular by the geometry of the surface 2A.
- the geometry of the portion 2a' thus confers on the flange at least a second rigidity which it is likely to retain until the restoration of the elastic restoring force of the said flange, i.e. as long as the flange is in contact with the section 2a'.
- the portion 2a′ makes it possible to distribute the stresses over a larger surface of the flange and thus avoid concentrations of stresses that are too substantial, liable to exceed the elastic limit of the material in which the flange is made.
- the bending length Lf of the flange is likely to vary, it can in particular be between La/4 ( figure 4 ) and A/1.5 ( picture 3 ).
- the length Lf here is likely to vary abruptly from La/1.5 to La/4 between the configuration of the picture 3 and the configuration of the figure 4 .
- the stress mode of the flange is also likely to be abruptly modified by passing from a configuration similar to that of a fixed beam to a configuration similar to that of a beam in four-point bending.
- 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°, in particular greater than 2°.
- the portion 2a' must be distinguished from a simple chamfer resulting from the manufacture of the surface 2A.
- the portion 2a' can, moreover, occupy all or part of the surface 2A.
- the support or the contact of the first bent end 12 of the flange against the movement is modified when the movement is fixed to the watch case element 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 element.
- 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 the figure 5 and 6 .
- the timepiece can only differ from that of the first embodiment by the device for modifying the rigidity of the at least one flange.
- the support surface 3A of the box comprises at least one surface portion 3a' 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 in the process of fixing the movement in the case.
- the portion 3a is for example flat and is for example perpendicular to the axis A1 of the movement.
- portion 3a' of surface 3A forms an angle ⁇ with portion 3a of surface 3A.
- flange 1 is elastically deformed by contact with all or part of surface 3A under the action of screw 4.
- the flange is elastically deformed over an axial distance interference corresponding to the material interference between the flange and the box before elastic deformation of the flange.
- the flange is pressed against the surface 2A and maintained in a state of pre-tension by means of the screw 4.
- the bending length Lf of the flange is defined in particular by the geometry of the surface 3A.
- the geometry of the portion 3a' thus confers on the flange at least a second rigidity which it is capable of retaining until the restoration of the elastic return force of the said flange, i.e. as long as the flange is in contact with the section 3a'.
- the bending length Lf of the flange is likely to vary, it can in particular be between La/4 ( figure 6 ) and A/2.5 ( figure 5 ).
- the length Lf here is liable 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°, in particular greater than 2°.
- the portion 3a' must be distinguished from a simple chamfer resulting from the manufacture of the surface 3A.
- the portion 3a' can, moreover, occupy all or part of the surface 3A.
- the support or the contact of the second bent end 13 of the flange against the case element is modified when the movement is fixed to the watch case element or moved relative to the watch case element.
- 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 case element.
- 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 (in particular like the portion 2a' of the first embodiment represented on the figure 3 and 4 ) and an inclined portion on the box element intended to cooperate with the at least one flange (in particular like the portion 3a' of the second embodiment represented on the figure 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 fixed to the watchcase element or moved relative to the watchcase element from a rest position in which the first surface 2b of the movement is in contact against the second surface 3b of the element box.
- a device for modifying the stiffness of the flange is advantageously provided at the level of each flange.
- the flange stiffness modification devices are identical for each flange.
- Each flange can be parallelepipedic or substantially parallelepipedic in shape as shown in the 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 evolves 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 fixing 14 and the end 15 of the flange.
- the width L' preferably decreases as one approaches the end 15.
- the thickness e of the flange evolves 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 preferably decreases as one approaches the end 15.
- the evolution of the width and/or the thickness and/or the geometry of the flange can be such that the cross-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 fixing element 14 and the end 15 of the flange, in particular over more than half of the portion extending between the fixing element 14 and the end 15 of the flange.
- the flange may, in particular, have a profile of equal resistance to bending or “iso-constraint”. More generally, the sections of the flange can evolve so as to best distribute the stresses within it, and thus to minimize them.
- the portions 2a' have been described as made on the movement and the portions 3a' have been described as made on the case element.
- the movement is designed to be assembled directly within a caseband.
- the movement can be assembled on another case element, such as in particular a back or a bezel, provided to be attached to a middle part.
- the watch assembly 200 can also include a casing circle or enlargement circle, this casing or enlargement circle being able to be secured to the movement or to the caseband by related fixing 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 to the movement.
- the means for fixing the flanges can be mounted on a casing ring.
- the means for fixing the flanges can be mounted on a case element, in particular on a middle part.
- the portions 2a' and 3a' have been described as flat portions.
- portion 2a' and/or the portion 3a' may (wind) be convex(s) or domed, in particular be in the form of a portion of a cylinder, as shown in the figure 12 for portion 2a'.
- portion 2a' and/or the portion 3a' can be discontinuous, in particular be formed by a staircase, as represented on the figure 13 for portion 2a'.
- a clearance e1 ( Figure 3 ) between the flange and a point of the movement against which the flange can come into contact by bending of the flange.
- the clearance value e1 is less than Lc1, or even less than Lc1/3, or even less than Lc1/4 and/or the clearance value e1 is greater than Lc1/60, or even greater than Lc1/30, with Lc1 the length of 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 resting state.
- the movement in the fixed state of the movement to the box element, the movement being in the rest position in which the first surface 2b of the movement is in contact against the second surface 3b of the box element , there can exist a game e2 ( Picture 14 ) between the flange and a point of the box element against which the flange can come into contact by bending of the flange.
- the clearance value e2 is less than Lc2, or even less than Lc2/3, or even less than Lc2/4 and/or the clearance value e2 is greater than Lc2/60, or even greater than Lc2/30, with Lc2 the length of 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 resting state.
- each flange has a fastening element 14 to the movement or to the case element.
- This element is for example a passage hole 14 for the passage of a screw 4.
- the flange can be made of steel or of a superelastic alloy and/or of a shape-memory alloy, in particular of a nickel-titanium alloy such as Nitinol or of a nickel alloy.
- the flange 1 can be flat or not.
- the flange may have a bent geometry.
- the flange 1 may or may not have a symmetrical profile.
- Configuration A corresponds to a nesting configuration according to the prior art illustrated by the figures 1 and 2 .
- Configuration B corresponds to the nesting configuration of the first embodiment illustrated by the figure 3 and 4 .
- Configuration C corresponds to the nesting configuration of the second embodiment illustrated by the figure 5 and 6 .
- Configuration D corresponds to the nesting 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 configuration A are greatly plasticized due, in particular, to a excessive axial displacement d produced during impact.
- the plastification 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 therefore no longer assembled satisfactorily in the case.
- configuration D makes it possible, for its part, to limit the displacement of the movement vis-à-vis the box as much as possible and to limit as much as possible the residual deformation of the flanges.
- first flange rigidity in particular when assembling the movement (d' ⁇ I+d 0 )
- second flange rigidity in particular during a shock of a predefined intensity when the movement is moved from the box with a distance d greater than d 0 (resulting in an axial flange deformation of > I+d 0 ), with the distance d 0 specific to the geometry of the realization and which may correspond to the displacement of movement causing a new contact of flange with the movement or with the box element.
- the flanges can present a first and a second rigidity during the assembly of the movement within the case element or present a second rigidity once the assembled movement, following a shock of a predefined intensity for example.
- the figure 9 thus highlights a modulation of rigidity of the flanges of configurations B, C, and D due to a modification of their active length or a modification of their points or their bearing surfaces when these are stressed, whether during assembly of the movement or during an impact of the watch case after assembly of the movement.
- the flange can be made of steel, in particular durnico steel.
- a shape memory alloy such as Nitinol, can advantageously be chosen for its superelastic properties.
- a flange formed from such an alloy has, in fact, the advantage of generating a force that varies significantly less than a flange made from a durnico steel beyond a given pre-stress threshold, and this due to the phase change of the material according to its rate of deformation according to the stresses it undergoes during fitting or that it is likely to undergo during an impact.
- This property is therefore particularly advantageous for mitigating as well as possible the variations in force induced by the variations in assembly configurations caused by the manufacturing and/or assembly tolerances of the movement and the case, and therefore makes it possible to propose a device for particularly robust assembly.
- a flange formed from such a superelastic alloy makes it possible to generate very substantial elastic restoring forces compared to those known from flanged fitting devices known from the prior art.
- the choice of such a material is therefore particularly advantageous with the aim of increasing the rigidity of the fitting, the advantages of which are those highlighted by studies of the plaintiff, and which are disclosed in the patent application EP2458456 , namely in particular a spectacular reduction in the acceleration undergone by the movement, for example during an impact 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 bending rigidity of the at least one flange, when the movement is fixed and/or when the movement is moved relative to the watchcase element.
- the bent length of the at least one flange is modified, in particular the bent 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 watchcase from a rest position in which the first surface 2b of the movement is in contact against the second surface 3b of the watchcase element.
- the timepiece 400 in particular a wristwatch, or the assembly 200 comprises a system 10 for fixing a watch movement 2 to an element 3 of the watch case 30, 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 made of a superelastic alloy and/or of a shape memory alloy, in particular of a nickel-titanium alloy such as Nitinol.
- Nitinol is a superelastic, shape-memory alloy. Indeed, in a temperature range corresponding to the use which is made of the flanges (-10°C to 40°C for example), the Nitinol is in the austenitic phase, therefore superelastic.
- Nitinol is an alloy of Nickel and Titanium in which these two elements are present in approximately the same percentages, i.e. 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 addition in lesser proportion such as Chromium, Cobalt, or Niobium.
- Other shape memory alloys exist such as AuCd, CuAlBe, CuAINi or CuZnAl in monocrystalline or polycrystalline form.
- the alloys can also undergo special heat treatments to acquire their superelastic character.
- the 60NiTi alloy is nominally 60 wt% nickel and 40 wt% titanium.
- the 55NiTi alloy is nominally 55 wt% nickel and 45 wt% titanium.
- the Nitinol#1 alloy consists of 54.5% wt to 57.0% wt of nickel and between 43.0% wt and 45.5% wt of titanium with a maximum of 0.25% by weight of other elements such as chromium, cobalt, copper, iron or niobium in particular.
- Nitinol alloy having been the subject of studies, the results of which are represented on the figures 15 to 17 consists in particular of approximately 56% by weight of nickel and approximately 44% by weight of titanium and addition elements such as Cr, Cu and Fe.
- the CuAl12Be(0.45-0.68) alloy is nominally 12 wt% Aluminum and 0.45 wt% to 0.68 wt% Beryllium, with a balance of Copper.
- the CuAl13Ni4 alloy is nominally 83 wt% Copper, 13 wt% Aluminum and 4 wt% Nickel.
- the figure 15 illustrates a graph showing the evolution of the restoring force generated by two flanges in their elastic range, respectively made of durnico steel (curve 6) and Nitinol (curve 5a, 5b), according to their state of pre- "interference I" tension, once the movement is nested according to a configuration A.
- This graph shows a curve 5a, 5b comprising two distinct portions 5a, 5b of substantially different slopes, unlike 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 in force produced by a Nitinol flange is minimized compared to that which is likely to produce a durnico steel flange.
- Nitinol flange In order to stiffen the casing as well as possible and to contain the superelastic nature of the alloy during the casing phase, the geometry of a Nitinol flange may evolve with respect to flanges known from the prior art.
- the thickness e of a Nitinol flange may, for example, be increased compared to that of a flange made of durnico steel, and/or the bending 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 restoring force generated respectively by two flanges in their elastic range, respectively made of durnico steel (curve 6) and Nitinol (curve 5a, 5b), according to their state of pre - "interference I" tension, once the movement is nested according to a configuration A.
- the figure 17 illustrates a graph showing the evolution of the restoring force generated respectively by two flanges in their elastic range, respectively made of durnico steel (curve 6) and Nitinol (curve 5a, 5b), according to their state of pre - "interference I" voltage, once the movement is interlocked according to a configuration A.
- Their “iso-constrained” geometry can be assimilated here to that of the figure 10 with a width L′ of greatest dimension of 2.05 mm.
- the system has the particularity of implementing a fitting that is particularly rigid 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 in particular substantially less than the support length La* of the flange against the movement, in particular Lf* ⁇ La*/4.
- This length Lf* may turn out to be insufficient when assembling the movement in the case, which runs the risk of inducing residual deformation of the flange that could reduce the elastic restoring force potentially produced by said flange.
- This situation can in particular lead to the loss of contact between the surfaces 2b* and 3b*, which are respectively associated with the movement 2* and with the box 3*.
- This situation can also reduce the forces under the head of the screw 4*, which can lead to a risk of untimely unscrewing of said screw 4*.
- this length Lf* may then prove to be excessive once the movement is assembled in the case, in particular with regard to a predefined threshold of resistance to shocks and/or of a given amplitude of displacement of the movement, which also risks inducing a residual deformation of the flange which can reduce the elastic return force initially produced by said flange.
- the volume available at the interface of the movement and the case, the materials known from the prior art being able to be chosen to produce the flanges, cannot thus be sufficient to completely obviate the risks of residual plasticization of the said flanges at from a given shock threshold value.
- “superelastic alloy” is meant 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)
- Casings For Electric Apparatus (AREA)
- Electric Clocks (AREA)
Claims (5)
- Uhr (400), insbesondere eine Armbanduhr, die Folgendes beinhaltet:- ein Uhrwerk (2), das eine Achse (A1), eine erste, zu der Achse (A1) senkrechte ebene Fläche (2b) und eine dritte Fläche (2A) aufweist,- ein Element (3) eines Armbanduhrengehäuses (30), das eine zweite, zu der Achse (A1) senkrechte ebene Auflagefläche (3b) und eine vierte Fläche (3A) aufweist, wobei das Element (3) des Armbanduhrengehäuses (30) ein Mittelteil oder ein Vergrößerungsring ist, und- ein System (10) zur Befestigung des Uhrwerks (2) an dem Element (3) des Armbanduhrengehäuses (30),wobei das System Folgendes beinhaltet:- mindestens zwei Flansche (1), vorzugsweise drei Flansche oder vier Flansche, die dazu bestimmt sind, einerseits mit dem Werk und andererseits mit dem Element des Armbanduhrengehäuses in Kontakt zu kommen, und- Schrauben (4),wobei die mindestens zwei Flansche (1) aus einer Legierung sind, deren Verformung an der Elastizitätsgrenze größer als 2 %, insbesondere größer als 5 %, insbesondere größer als 8 % ist, wobei die mindestens zwei Flansche (1) so eingerichtet sind, dass sie bei der Montage des Werks elastisch verformt werden und eine elastische Rückstellkraft jedes Flansches erzeugen, die die erste Fläche (2b) an der zweiten Fläche (3b) hält, wobei jeder Flansch mittels einer der Schrauben (4) gegen die dritte Fläche (2A) gedrückt wird, wodurch jeder Flansch an einer vierten Fläche (3A) des Gehäuseelements, insbesondere einer Auflagefläche eines Ausschnitts (31) oder einer Einsenkung (31), der/die in dem Gehäuseelement hergestellt ist, anliegt.
- Uhr nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass mindestens einer der Flansche einen Querschnitt beinhaltet, dessen Flächenträgheitsmoment sich gemäß einer Längsachse (11) verändert, insbesondere durch eine Veränderung der Breite und/oder der Dicke und/oder so, dass der Querschnitt derart ist, dass das Profil der maximalen Spannungen über einen Teil der Länge des Flansches, insbesondere über mindestens die Hälfte der Länge des Flansches, konstant oder im Wesentlichen konstant ist.
- Uhr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass mindestens einer der Flansche ein Element zur Befestigung (14) an dem Werk oder an dem Element des Armbanduhrengehäuses, insbesondere eine Durchgangsbohrung für eine Schraube (4), beinhaltet.
- Uhr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Dicke (e) mindestens eines der Flansche größer als oder gleich 0,5 mm ist.
- Uhr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die gebogene Länge (Lf) mindestens eines der Flansche kleiner als oder gleich 1,35 mm ist.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17201351.8A EP3483668B1 (de) | 2017-11-13 | 2017-11-13 | Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse |
US16/184,116 US11327442B2 (en) | 2017-11-13 | 2018-11-08 | System for fixing a timepiece movement in a watch case |
US16/184,113 US11604436B2 (en) | 2017-11-13 | 2018-11-08 | System for fixing a timepiece movement in a watch case |
JP2018212663A JP2019109226A (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 |
CN201811348780.3A CN109782567A (zh) | 2017-11-13 | 2018-11-13 | 用于在表壳中固定时钟机芯的*** |
Applications Claiming Priority (1)
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EP17201351.8A EP3483668B1 (de) | 2017-11-13 | 2017-11-13 | Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse |
Publications (2)
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EP3483668A1 EP3483668A1 (de) | 2019-05-15 |
EP3483668B1 true EP3483668B1 (de) | 2022-11-02 |
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EP17201351.8A Active EP3483668B1 (de) | 2017-11-13 | 2017-11-13 | Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse |
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EP (1) | EP3483668B1 (de) |
JP (1) | JP2019109226A (de) |
CN (1) | CN109782567A (de) |
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CN111772480B (zh) * | 2020-07-09 | 2022-03-01 | 上海喆慧健康科技有限公司 | 一种粉末状饮品冲泡装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4833328Y1 (de) * | 1969-08-25 | 1973-10-09 | ||
JPS4989570A (de) * | 1972-12-26 | 1974-08-27 | ||
DE2316784A1 (de) * | 1973-04-04 | 1974-10-17 | Kienhoefer & Moog Gmbh Kg | Werkhaltering fuer uhrwerke |
JPS5573877U (de) * | 1978-11-16 | 1980-05-21 | ||
JPH10288679A (ja) * | 1997-04-15 | 1998-10-27 | Seiko Epson Corp | 熱発電式腕時計 |
JP2000111663A (ja) * | 1998-09-30 | 2000-04-21 | Rhythm Watch Co Ltd | 枠の組み付け構造及び枠の組み付け方法 |
JP3610793B2 (ja) * | 1998-11-26 | 2005-01-19 | セイコーエプソン株式会社 | 計時装置 |
EP1182522A1 (de) * | 2000-08-22 | 2002-02-27 | Conseils et Manufactures VLG SA | Befestigungsvorrichtung |
JP2003344562A (ja) * | 2002-05-30 | 2003-12-03 | Seiko Instruments Inc | 腕時計 |
JP2008032418A (ja) * | 2006-07-26 | 2008-02-14 | Seiko Instruments Inc | 時計 |
JP4905815B2 (ja) * | 2009-10-28 | 2012-03-28 | カシオ計算機株式会社 | 緩衝部材、腕時計の衝撃緩衝構造および腕時計 |
EP2458456B1 (de) | 2010-11-25 | 2020-03-18 | Rolex Sa | Armbanduhr mit starrem Werkgestell, und Einsetzverfahren in das Werkgestell |
-
2017
- 2017-11-13 EP EP17201351.8A patent/EP3483668B1/de active Active
-
2018
- 2018-11-13 JP JP2018212663A patent/JP2019109226A/ja active Pending
- 2018-11-13 CN CN201811348780.3A patent/CN109782567A/zh active Pending
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EP3483668A1 (de) | 2019-05-15 |
JP2019109226A (ja) | 2019-07-04 |
CN109782567A (zh) | 2019-05-21 |
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