EP2533111A1 - Device and method for attaching a watch element with adjustable angular orientation - Google Patents

Device and method for attaching a watch element with adjustable angular orientation Download PDF

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Publication number
EP2533111A1
EP2533111A1 EP20110169051 EP11169051A EP2533111A1 EP 2533111 A1 EP2533111 A1 EP 2533111A1 EP 20110169051 EP20110169051 EP 20110169051 EP 11169051 A EP11169051 A EP 11169051A EP 2533111 A1 EP2533111 A1 EP 2533111A1
Authority
EP
European Patent Office
Prior art keywords
threaded portion
watch
ring
intermediate element
threaded
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
Application number
EP20110169051
Other languages
German (de)
French (fr)
Other versions
EP2533111B1 (en
Inventor
Daniel Knuchel
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.)
Omega SA
Original Assignee
Omega 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 Omega SA filed Critical Omega SA
Priority to CH00968/11A priority Critical patent/CH705089A2/en
Priority to EP11169051.7A priority patent/EP2533111B1/en
Priority to US13/488,938 priority patent/US9003660B2/en
Priority to RU2012123733/12A priority patent/RU2596972C2/en
Priority to KR1020120060900A priority patent/KR101411707B1/en
Priority to CN201210189229.5A priority patent/CN102819214B/en
Priority to JP2012130443A priority patent/JP5486043B2/en
Publication of EP2533111A1 publication Critical patent/EP2533111A1/en
Priority to HK13106846.8A priority patent/HK1179360A1/en
Application granted granted Critical
Publication of EP2533111B1 publication Critical patent/EP2533111B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0084—Pictures or inscriptions on the case or parts thereof, attaching complete pictures
    • 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
    • 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
    • G04B37/0008—Cases for pocket watches and wrist watches
    • G04B37/005—Cases for pocket watches and wrist watches with cover or protection device which can be completely removed, either by lifting off or by sliding, or by turning (protection covers, protection cases also against humidity)
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49579—Watch or clock making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49579—Watch or clock making
    • Y10T29/49586—Watch or clock making having crown, stem, or pendent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5347—Crystal to watch or clock

Definitions

  • the present invention relates to a device and a method for fixing an element of a watch with respect to another with an adjustable mutual angular orientation, and more particularly a device and a method of fixing for a watch case having a screwed back whose alignment can be adjusted with respect to a vertical axis 12 o'clock-6 o'clock.
  • the patent document CH699777 proposes an alternative solution for mounting a steerable bottom on a watch case using an adjusting ring acting as an axial stop to define the angular position of the bottom.
  • the ring is screwed to the middle or to the bottom with a predetermined tightening torque, while the bottom is screwed to the middle part by means of threads arranged in the opposite direction, so that the ring can not be driven into position. rotation when the bottom reaches abutment on the middle part.
  • the bottom is screwed directly onto a piece rigidly fixed to the watch case.
  • An object of the present invention is therefore to provide a solution for fixing a bottom to a middle watch, and more generally one element of a watch relative to another with an adjustable mutual angular orientation, which is free from known limitations.
  • a fixing device characterized in that it comprises an intermediate element provided with a threaded portion arranged to cooperate with that of a first element to be assembled and another threaded portion arranged to cooperating with that of a second element to be assembled, the threading pitches of the threaded portions of the intermediate element being differentiated.
  • An advantage of the proposed solution is that it can easily perform the angular correction as a function of the difference between the thread pitches used, which is predetermined.
  • the angular adjustment of the intermediate element can thus be carried out at one time, and no longer by successive approximations.
  • the figure 1 discloses a preferred embodiment of the invention according to which the elements to be assembled are respectively a bottom 1 and a middle part 2.
  • the invention could also be used for example for a crown or a valve, these examples being given for information but not limiting.
  • the elements to be assembled may also consist of all pieces integral in rotation respectively of the bottom and the middle of a watch.
  • An O-ring 21 is conventionally inserted into an annular groove at the base of the middle part 2, along a lower contact surface of the middle part 24, intended to come into contact with the upper contact surface of the bottom 14 in an assembled position. .
  • the purpose of the O-ring 21 is to guarantee the tightness of the assembly proposed between the bottom 1 and the middle part 2, when the surfaces 14 and 24 are in mutual contact in the assembled position of the bottom 1 on the middle part 2.
  • a first threaded portion 11 is machined on the bottom 1 and a second thread 22 is machined on the middle part 2; the present invention proceeds from the general idea of using an intermediate element 3 provided with threads and / or threads to be screwed simultaneously to the bottom and to the middle, so that the bottom 1 and the middle part 2 are no longer assembled directly to each other.
  • the intermediate element 3 is a ring provided with a third threaded portion 31 on its inner periphery, which cooperates with the first threaded portion 11 of the bottom 1, and a fourth threaded portion 32 on its periphery. inside which cooperates with the second threaded portion 22, which here consists of a tapping of the middle part 2 according to the preferred embodiment illustrated.
  • the second threaded portion 22 is arranged on an inner wall of the middle part 2, so that the diameter of the ring is reduced; according to a variant it would however also be possible to arrange the second threaded portion 22 of the middle part on its outer wall so that this threaded portion cooperates with the internal thread of a ring 3 whose external thread would cooperate with a threaded portion 11 of the bottom 1.
  • a ring will be preferred because it is simple to machine and inexpensive because of very small volume.
  • the ring according to the invention is preferably threaded and threaded over its entire height to simplify its manufacturing process and comprises lower and upper surfaces (references respectively 34 and 33) substantially flat.
  • the figure 2 shows an intermediate element 3 in the form of a ring according to the preferred embodiment described in FIG. figure 1 previous, top view.
  • the third threaded portion 31 and the fourth threaded portion 32 - there can be seen notches which are intended to receive tenons of a gripping tool to facilitate its screwing, arranged on the upper surface 33 of the ring.
  • These first notches 331 are preferably identical to the second notches 13 of the bottom, so that the same tool can be used to screw the ring on the bottom 1 and then the bottom-ring assembly on the middle part 2.
  • the ring corresponding to a preferred embodiment of the intermediate element 3 illustrated in FIG. figure 2 furthermore comprises angular marks 332 intended to facilitate the adjustment operation in order to reorient the bottom correctly with respect to a predetermined axis, such as, for example, the axis 6h-12h.
  • angular marks 34 preferably consist of graduations arranged on the upper face of the ring and may for example be used in cooperation with an index or any form of marker (not shown) arranged on the bottom 1.
  • first notches 331 may be used as angular references; in this case the angular spacing between two adjacent notches should be chosen sufficiently small, such as less than 15 degrees, to provide a granularity to dispense with any other reference to perform the angular adjustment correction of the ring (element intermediate 3) relative to the bottom 1, whose principle is described below.
  • the figure 3 is a diagram illustrating the various sequences used according to the invention for assembling the bottom 1 to the middle part 2.
  • the intermediate element 3 is screwed on, which can take the form of a ring according to a of preferential embodiment, on the bottom 1 by means of the first threaded portion 11, cooperating with the third threaded portion 31 of the intermediate member 3 to the stop.
  • the arrival at the stop corresponds to the moment when the lower surface 34 of the intermediate element 3 comes into contact with the upper contact surface 14 of the bottom 1.
  • a second step B the bottom assembly 1 is screwed together - intermediate element 3 on the middle part 2 by means of the second threaded portion 22, cooperating with the fourth threaded portion 32 of the intermediate element 3, so that the bottom 1 comes into abutment with the middle part 2, this arrival in stop corresponding to the moment when the upper contact surface 14 of the bottom 1 comes into contact with the lower contact surface 23 of the middle part 2, as illustrated in FIG. figure 4 .
  • FIG. 4 shows that the referenced surfaces 14 of the bottom 1, 24 of the middle part 2 and 34 of the intermediate element 3 are then located in the same horizontal plane, while the Figure 4A shows that the logo 15 disposed on the portion 10 of the bottom is oriented at an angle 120 relative to the axis 200 12h-6h of the watch.
  • the figure 4 also highlights, in addition to the elements already described in the context of the figure 1 , the threaded portions 31,32 of the ring (the intermediate element 3) which we see on the one hand that they are arranged in the same direction, so that the screwing operation of the bottom-ring assembly on the middle part 2 can be performed without danger of unscrewing the ring relative to the bottom and secondly that the thread pitch of the third threaded portion 31 is smaller than the thread pitch of the fourth threaded portion 32, which allows to minimize the angular correction of the ring relative to the bottom when necessary.
  • the relative magnitudes of the thread pitches could be reversed but in this case the angle of correction of the ring relative to the bottom (referenced 130 on the Figure 4A ) would always be higher than the previous orientation of the fund (referenced 120 on the Figure 4A ).
  • the invention makes it possible to perform a simple and rapid step of angular correction of the bottom precisely thanks to the fact that the third and fourth threading steps 31, 32 are differentiated. It suffices to unscrew the ring (intermediate element 3) from the bottom 1 of a dependent angle the difference between the threading steps 310 and 320 of the ring (intermediate element 3) and then screw the ring and the bottom 1 back on the middle part 2 to obtain the desired orientation of the bottom 1.
  • Step C of the diagram of the figure 3 is to visualize the angular orientation 120 of the bottom 1 relative to the middle part 2 in the assembled position, illustrated by the Figures 4 and 4A .
  • This step can be facilitated by the presence of angular markers on the middle part (not shown) and / or on the bottom 1; notches 13 of the bottom can also be used for this purpose.
  • the internal diameter of the ring is for example 30 millimeters and the outer diameter 32 millimeters
  • the pitch 310 of the first and second threads 11, 31 is 0.5
  • the pitch 320 of the third and fourth threads 22, 32 is 0.4, that is to say that a complete turn of 360 degrees corresponds respectively to axial displacements of 0.5 and 0.4 millimeters of the ring.
  • the adjustment angle 130 is derived from the orientation angle 120 determined in step C by simply multiplying the pitch ratio.
  • 130 120 * 310/320 and according to a particularly preferred variant, this ratio of preference can be chosen less than 1 ⁇ 2 so that the correction angle is always less than 180 degrees, which results in easy handling if it is done manually.
  • An angle greater than 180 degrees would require a more awkward operation where the amount of twisting of the arm and / or wrist could be uncomfortable.
  • step E unscrew the intermediate element 3 from the bottom 1 on a stroke corresponding angle, which can be facilitated by the angular marks 332 or the notches when they are used as angular references. Once it is in a good position, it must be ensured that the intermediate element 3 remains locked relative to the bottom 1 when the bottom assembly 1-intermediate element 3 is screwed back on the middle part 2.
  • a locking step n is not necessary when sufficient frictional forces are present between the first and second threaded portions 11, 31, that is, when these are substantially greater than the frictional forces acting between the third and fourth threaded portions 22, 32.
  • the blocking step E ' can be achieved for example by pointing electrical laser welding, or by material discharge.
  • FIGS 5 and 5A show the assembly of bottom 1 - middle 2 in final position after the step F of screwing was carried out.
  • the figure 5 sectional view shows the relative axial arrangements of the various constituent elements of the bottom assembly 1-ring (intermediate element 3) - middle 2, with in particular the axial displacement 131 resulting from the intermediate element 3 relative to the bottom 1 corresponding to the value of the adjustment angle 130 of the Figure 4A , ie 0.11 millimeters for the example described, while the Figure 5A shows that the logo 15 disposed on the part 10 of the bottom is now well oriented relative to the axis 200 12h-6h of the watch.
  • the device according to the invention allows a simple and fast correction, by simple unscrewing-screwing operation, of the orientation of the bottom 1 relative to the middle part of a watch 2.
  • This device can easily be replicated to the mutual angular orientation of any constituent elements of a watch requiring a precise position with respect to a given axis.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Surgical Instruments (AREA)
  • Adornments (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Connection Of Plates (AREA)

Abstract

The device has an intermediate element formed for angular orientation (120) of a watch element i.e. back cover (1), relative to another watch element i.e. middle part (2). The intermediate element includes a threaded portion arranged with a threaded portion of the former watch element and another threaded portion arranged with a threaded portion of the latter watch element. Thread pitches of the threaded portions of the intermediate element are different. Threads of the threaded portions of the intermediate element are arranged along same direction. An independent claim is also included for a method for securing a watch element to another watch element.

Description

La présente invention concerne un dispositif et un procédé de fixation d'un élément d'une montre par rapport à un autre avec une orientation angulaire mutuelle réglable, et plus particulièrement un dispositif et un procédé de fixation pour une boîte de montre comportant un fond vissé dont l'alignement peut être ajusté par rapport à un axe vertical 12 heures-6 heures.The present invention relates to a device and a method for fixing an element of a watch with respect to another with an adjustable mutual angular orientation, and more particularly a device and a method of fixing for a watch case having a screwed back whose alignment can be adjusted with respect to a vertical axis 12 o'clock-6 o'clock.

Il arrive fréquemment que, lors du vissage par exemple d'un fond de boîte de montre sur la carrure de cette dernière, on s'aperçoive que, lorsque le fond est complètement vissé, les inscriptions ou motifs décoratifs qui peuvent avoir été par exemple frappés par étampage ou gravés sur la face du fond située du côté du poignet du porteur de la montre, ne sont pas convenablement alignés par rapport à l'axe vertical 12 heures-6 heures de la montre, ce qui, bien entendu, nuit à l'aspect esthétique de cette montre. Ce défaut d'aspect, s'il peut être toléré pour des montres bon marché, constitue un inconvénient très gênant pour des montres plus onéreuses.It often happens that when screwing, for example, a watchcase back on the middle part of the latter, it becomes apparent that, when the bottom is completely screwed, the inscriptions or decorative motifs that may have been struck, for example by stamping or engraved on the face of the bottom located on the wrist side of the wearer of the watch, are not properly aligned with respect to the vertical axis 12 o'clock-6 o'clock of the watch, which, of course, damages the aesthetic aspect of this watch. This lack of appearance, if it can be tolerated for cheap watches, is a disadvantage very troublesome for more expensive watches.

Pour remédier à cet inconvénient, des solutions usuelles consistent à apparier un fond avec une boîte de montre déterminée lors de l'usinage, de façon que l'on soit assuré qu'une fois complètement vissé, le fond soit parfaitement aligné avec l'axe 12 heures-6 heures de la montre. Cette solution n'est toutefois que peu satisfaisante car on s'expose à des problèmes si jamais le fond d'origine de la montre est perdu ou abîmé et qu'il est nécessaire de le remplacer par un autre fond dont on n'est pas sûr qu'une fois vissé sur la carrure, il s'aligne toujours convenablement avec l'axe vertical 12 heures-6 heures.To overcome this drawback, common solutions are to match a bottom with a given watch case during machining, so that it is ensured that once completely screwed, the bottom is perfectly aligned with the axis 12 hours to 6 hours of the watch. This solution, however, is unsatisfactory because we are exposed to problems if the original background of the watch is lost or damaged and it is necessary to replace it with another background which is not sure that once screwed on the middle part, it always aligns well with the vertical axis 12 hours-6 hours.

Le document de brevet EP1890203 de la demanderesse propose de pallier à cet inconvénient en introduisant une bague intermédiaire entre le fond et la carrure, dont les filetages coopérant respectivement avec le fond et la carrure sont agencés dans des sens opposés. De cette façon il est possible, lorsque le fond est vissé en butée sur la carrure, de continuer à visser le fond, l'élément intermédiaire qui relie le fond se dévissant alors pour se déplacer verticalement le long de la carrure. Ce système permet certes de régler de manière simple et efficace l'alignement de ce fond par rapport à l'axe 12 heures-6 heures de la montre, mais présente l'inconvénient de ne pas pouvoir définir précisément un couple de serrage du fond sur la boîte. En effet, à partir du moment où le fond arrive en butée sur la carrure seules les forces de frottement entre le fond et l'élément intermédiaire empêchent le fond du tourner par rapport à la carrure.The patent document EP1890203 of the applicant proposes to overcome this disadvantage by introducing an intermediate ring between the bottom and middle, whose threads cooperating respectively with the bottom and the middle are arranged in opposite directions. In this way it is possible, when the bottom is screwed in abutment on the middle part, to continue to screw the bottom, the intermediate element which connects the bottom then unscrewing to move vertically along the middle part. This system certainly makes it possible to adjust in a simple and effective way the alignment of this bottom with respect to the axis 12 o'clock-6 o'clock of the watch, but has the disadvantage of not being able to precisely define a tightening torque of the bottom on the box. Indeed, from the moment when the bottom reaches the abutment on the middle only the friction forces between the bottom and the intermediate element prevent the bottom from turning relative to the middle part.

Le document de brevet CH699777 propose une solution alternative de montage d'un fond orientable sur une carrure de montre utilisant une bague de réglage agissant comme butée axiale pour définir la position angulaire du fond. La bague est vissée à la carrure ou au fond avec un couple de serrage préétabli, tandis que le fond est vissé à la carrure à l'aide de filetages agencés dans le sens inverse, de telle sorte que la bague ne puisse pas être entraînée en rotation lorsque le fond arrive en butée sur la carrure. Ainsi, contrairement à la solution précédemment décrite, le fond est vissé directement sur une pièce fixée rigidement à la boîte de montre. L'inconvénient de cette solution est de devoir toutefois opérer par approximations successives pour déterminer la position axiale de la bague correspondant à la position angulaire souhaitée du fond; par ailleurs le réglage axial de la bague empêche altère les propriétés d'herméticité du boîtier puisque les surfaces de contact du fond et de la carrure ne sont plus en contact mutuel en position assemblée.The patent document CH699777 proposes an alternative solution for mounting a steerable bottom on a watch case using an adjusting ring acting as an axial stop to define the angular position of the bottom. The ring is screwed to the middle or to the bottom with a predetermined tightening torque, while the bottom is screwed to the middle part by means of threads arranged in the opposite direction, so that the ring can not be driven into position. rotation when the bottom reaches abutment on the middle part. Thus, unlike the previously described solution, the bottom is screwed directly onto a piece rigidly fixed to the watch case. The disadvantage of this solution is that it must however operate by successive approximations to determine the axial position of the ring corresponding to the desired angular position of the bottom; Furthermore, the axial adjustment of the ring prevents altering the hermetic properties of the housing since the contact surfaces of the bottom and the middle part are no longer in mutual contact in the assembled position.

Un but de la présente invention est par conséquent de fournir une solution de fixation d'un fond à une carrure de montre, et plus généralement d'un élément d'une montre par rapport à un autre avec une orientation angulaire mutuelle réglable, qui soit exempte des limitations connues.An object of the present invention is therefore to provide a solution for fixing a bottom to a middle watch, and more generally one element of a watch relative to another with an adjustable mutual angular orientation, which is free from known limitations.

Ces buts sont atteints grâce à un dispositif de fixation selon la revendication 1, caractérisé en ce qu'il comprend un élément intermédiaire pourvu d'une portion filetée agencée pour coopérer avec celle d'un premier élément à assembler et une autre portion filetée agencée pour coopérer avec celle d'un deuxième élément à assembler, les pas de filetage des portions filetées de l'élément intermédiaire étant différenciés.These objects are achieved by means of a fixing device according to claim 1, characterized in that it comprises an intermediate element provided with a threaded portion arranged to cooperate with that of a first element to be assembled and another threaded portion arranged to cooperating with that of a second element to be assembled, the threading pitches of the threaded portions of the intermediate element being differentiated.

Ces buts sont également atteints grâce à un procédé de fixation selon la revendication 9, selon laquelle un élément intermédiaire est tout d'abord vissé sur un premier élément à assembler au moyen d'une première portion filetée jusqu'en butée, puis l'ensemble premier élément - élément intermédiaire est vissé sur le deuxième élément au moyen d'une deuxième portion filetée de manière à ce que le premier élément vienne en butée avec le deuxième élément, le procédé étant caractérisé en ce qu'il comprend les étapes suivantes:

  • visualiser une orientation angulaire du premier élément par rapport au deuxième élément en position assemblée;
  • déterminer un angle d'ajustement de l'élément intermédiaire par rapport au premier élément en fonction des pas de filetages utilisés pour ses portions filetées;
  • dévisser l'élément intermédiaire du premier élément sur une course angulaire correspondant à l'angle d'ajustement;
  • revisser l'ensemble premier élément - élément intermédiaire sur le deuxième élément au moyen de la deuxième portion filetée de manière à ce que le premier élément vienne à nouveau en butée avec le deuxième élément
These objects are also achieved by a fastening method according to claim 9, wherein an intermediate element is first screwed on a first element to be assembled by means of a first threaded portion until it stops, then the assembly first element - intermediate element is screwed on the second element by means of a second threaded portion so that the first element comes into abutment with the second element, the method being characterized in that it comprises the following steps:
  • viewing an angular orientation of the first member relative to the second member in the assembled position;
  • determining an adjustment angle of the intermediate element with respect to the first element as a function of thread pitches used for its threaded portions;
  • unscrewing the intermediate element of the first element on an angular stroke corresponding to the adjustment angle;
  • screwing the first element - intermediate element together on the second element by means of the second threaded portion so that the first element comes into abutment with the second element

Un avantage de la solution proposée est de pouvoir facilement effectuer la correction angulaire en fonction de la différence entre les pas de filetage utilisés, qui est prédéterminée. L'ajustement angulaire de l'élément intermédiaire peut ainsi s'effectuer en une seule fois, et non plus par approximations successives.An advantage of the proposed solution is that it can easily perform the angular correction as a function of the difference between the thread pitches used, which is predetermined. The angular adjustment of the intermediate element can thus be carried out at one time, and no longer by successive approximations.

Un autre avantage de la solution proposée de pallier les déficiences en termes de couple de serrage entre les éléments à assembler sans générer de déplacement axial du premier élément par rapport au deuxième en position assemblée, ce qui n'est pas le cas lorsqu'un élément intermédiaire est utilisé comme butée de réglage. Cette absence de déplacement axial n'altère par conséquent pas les propriétés d'herméticité de l'assemblage final.Another advantage of the proposed solution to overcome the deficiencies in terms of tightening torque between the elements to be assembled without generating axial displacement of the first element relative to the second in the assembled position, which is not the case when an element intermediate is used as an adjustment stop. This absence of axial displacement therefore does not alter the hermetic properties of the final assembly.

D'autres caractéristiques et avantages ressortiront plus clairement de la description détaillée de divers modes de réalisation préférentiels et des dessins annexés, dans lesquels:

  • la figure 1 montre une vue en coupe de différents éléments à assembler en position démontée selon un mode de réalisation préférentiel de l'invention;
  • la figure 2 montre une vue de dessus d'un élément intermédiaire de réglage selon un mode de réalisation préférentiel de l'invention;
  • la figure 3 montre un diagramme avec la séquence des différentes étapes de montage à effectuer ainsi que les paramètres utilisés pour la correction;
  • la figure 4 montre une vue en coupe des différents éléments assemblés après une première étape de montage;
  • la figure 4A montre une vue d'un élément orientable en position non finale lorsque les éléments sont assemblés conformément à la figure 4;
  • la figure 5 montre une vue en coupe des différents éléments assemblés en position finale;
  • la figure 5A montre une vue d'un élément orientable en position non finale lorsque les éléments sont assemblés conformément à la figure 5;
Other features and advantages will become more apparent from the detailed description of various preferred embodiments and the accompanying drawings, in which:
  • the figure 1 shows a sectional view of different elements to be assembled in disassembled position according to a preferred embodiment of the invention;
  • the figure 2 shows a top view of an intermediate adjustment element according to a preferred embodiment of the invention;
  • the figure 3 shows a diagram with the sequence of the different assembly steps to be performed as well as the parameters used for the correction;
  • the figure 4 shows a sectional view of the various elements assembled after a first assembly step;
  • the Figure 4A shows a view of a steerable element in a non-final position when the elements are assembled according to the figure 4 ;
  • the figure 5 shows a sectional view of the various elements assembled in final position;
  • the Figure 5A shows a view of a steerable element in a non-final position when the elements are assembled according to the figure 5 ;

La figure 1 décrit un mode de réalisation préférentiel de réalisation de l'invention selon lequel les éléments à assembler sont respectivement un fond 1 et une carrure 2. Il apparaîtra toutefois clairement à la lecture de la description qui suit que l'invention pourrait être utilisée également par exemple pour une couronne ou une soupape, ces exemples étant donnés à titre indicatif mais non limitatif. Les éléments à assembler peuvent également consister en toutes pièces solidaires en rotation respectivement du fond et de la carrure d'une montre.The figure 1 discloses a preferred embodiment of the invention according to which the elements to be assembled are respectively a bottom 1 and a middle part 2. However, it will be clear from reading the following description that the invention could also be used for example for a crown or a valve, these examples being given for information but not limiting. The elements to be assembled may also consist of all pieces integral in rotation respectively of the bottom and the middle of a watch.

Sur le haut de la figure 1, on peut distinguer une glace 5 montée sur la carrure 2 avec joint d'étanchéité 502 interposé entre ces deux éléments. Au bas de la figure, on peut distinguer similairement la partie 10 du fond 1 comportant une inscription ou un logo orientable, dont un exemple est représenté plus loin sur les figures 4A et 5A (le logo de la demanderesse, référencé 15), qui est montée sur le fond 1 avec également un joint 101 d'étanchéité interposé entre ces deux éléments.On the top of the figure 1 , we can distinguish an ice 5 mounted on the middle part 2 with seal 502 interposed between these two elements. At the bottom of the figure, one can similarly distinguish the part 10 of the bottom 1 having an inscription or an orientable logo, an example of which is shown below on the Figures 4A and 5A (The applicant's logo, referenced 15), which is mounted on the bottom 1 also with a seal 101 interposed between these two elements.

Un joint torique 21 est classiquement inséré dans une gorge annulaire à la base de la carrure 2, le long d'une surface inférieure de contact de la carrure 24, destinée à venir en contact avec la surface de contact supérieure du fond 14 en position assemblée. Le joint torique 21 a pour vocation de garantir l'étanchéité de l'assemblage proposé entre le fond 1 et la carrure 2, lorsque les surfaces 14 et 24 sont en contact mutuel en position assemblée du fond 1 sur la carrure 2.An O-ring 21 is conventionally inserted into an annular groove at the base of the middle part 2, along a lower contact surface of the middle part 24, intended to come into contact with the upper contact surface of the bottom 14 in an assembled position. . The purpose of the O-ring 21 is to guarantee the tightness of the assembly proposed between the bottom 1 and the middle part 2, when the surfaces 14 and 24 are in mutual contact in the assembled position of the bottom 1 on the middle part 2.

Une première portion filetée 11 est usinée sur le fond 1 et un deuxième filetage 22 est usiné sur la carrure 2; la présente invention procède de l'idée générale d'utiliser un élément intermédiaire 3 pourvu de filetages et/ou de taraudages pour être vissé simultanément au fond et à la carrure, de telle sorte que le fond 1 et la carrure 2 ne sont plus assemblés directement l'un à l'autre. Selon le mode de réalisation préférentiel illustré, l'élément intermédiaire 3 est une bague pourvue d'une troisième portion filetée 31 sur son pourtour intérieur, qui coopère avec la première portion filetée 11 du fond 1, et une quatrième portion filetée 32 sur son pourtour intérieur qui coopère avec la deuxième portion filetée 22, qui consiste ici en un taraudage de la carrure 2 selon la variante préférentielle illustrée. Selon cet agencement la deuxième portion filetée 22 est aménagée sur une paroi interne de la carrure 2, de telle sorte que le diamètre de la bague est réduit; selon une variante il serait toutefois également possible d'aménager la deuxième portion filetée 22 de la carrure sur sa paroi externe de sorte que cette portion filetée coopère avec le filetage interne d'une bague 3 dont le filetage externe coopérerait avec une portion filetée 11 du fond 1. Bien que d'autres formes soient envisageables pour l'élément intermédiaire 3, une bague sera privilégiée car elle est simple à usiner et peu coûteuse car de volume très réduit. La bague selon l'invention est préférence filetée et taraudée sur l'ensemble de sa hauteur pour simplifier son processus de fabrication et comprend des surfaces inférieures et supérieures (références respectivement 34 et 33) sensiblement planes.A first threaded portion 11 is machined on the bottom 1 and a second thread 22 is machined on the middle part 2; the present invention proceeds from the general idea of using an intermediate element 3 provided with threads and / or threads to be screwed simultaneously to the bottom and to the middle, so that the bottom 1 and the middle part 2 are no longer assembled directly to each other. According to the preferred embodiment illustrated, the intermediate element 3 is a ring provided with a third threaded portion 31 on its inner periphery, which cooperates with the first threaded portion 11 of the bottom 1, and a fourth threaded portion 32 on its periphery. inside which cooperates with the second threaded portion 22, which here consists of a tapping of the middle part 2 according to the preferred embodiment illustrated. According to this arrangement the second threaded portion 22 is arranged on an inner wall of the middle part 2, so that the diameter of the ring is reduced; according to a variant it would however also be possible to arrange the second threaded portion 22 of the middle part on its outer wall so that this threaded portion cooperates with the internal thread of a ring 3 whose external thread would cooperate with a threaded portion 11 of the bottom 1. Although other forms are possible for the intermediate element 3, a ring will be preferred because it is simple to machine and inexpensive because of very small volume. The ring according to the invention is preferably threaded and threaded over its entire height to simplify its manufacturing process and comprises lower and upper surfaces (references respectively 34 and 33) substantially flat.

La figure 2 montre un l'élément intermédiaire 3 sous forme de bague selon le mode de réalisation préférentiel décrit à la figure 1 précédente, vue de dessus. Outre les portions filetées aménagées sur le pourtour intérieur et extérieur - respectivement la troisième portion filetée 31 et quatrième portion filetée 32 - on peut distinguer des encoches qui sont destinées à recevoir des tenons d'un outil de préhension pour faciliter son vissage, agencées sur la surface supérieure 33 de la bague. Ces premières encoches 331 sont de préférence identiques aux deuxièmes encoches 13 du fond, de telle sorte que le même outil puisse être utilisé pour visser la bague sur le fond 1 puis l'ensemble fond-bague sur la carrure 2. Des surfaces de préhension alternatives pour faciliter l'entraînement en rotation de la bague pourraient être aménagées sur d'autres parties de celles-ci, par exemple sur son pourtour interne au lieu de la portion filetée 31 n'est pas agencée sur toute sa hauteur, et également consister en des éléments de type « mâle » au lieu d'élément de type « femelle » en fonction des outils utilisés. L'avantage d'encoches 331 sur la face supérieure 33 de la bague (l'élément intermédiaire 3) est d'offrir une configuration similaire à celle d'un fond classique de montre, qui comprend généralement des encoches sur son pourtour comme celles illustrées sur les figures 4A et 5A (références 13), de sorte que les opérations de vissage de la bague au fond 1 et de l'ensemble fond 1-bague à la carrure 2 puissent se faire avec des manipulations similaires. De tels agencements pour les encoches 331 permettent d'augmenter la vitesse d'assemblage du fond 1 à la carrure et ainsi gagner en productivité.The figure 2 shows an intermediate element 3 in the form of a ring according to the preferred embodiment described in FIG. figure 1 previous, top view. In addition to the threaded portions arranged on the inner and outer periphery - respectively the third threaded portion 31 and the fourth threaded portion 32 - there can be seen notches which are intended to receive tenons of a gripping tool to facilitate its screwing, arranged on the upper surface 33 of the ring. These first notches 331 are preferably identical to the second notches 13 of the bottom, so that the same tool can be used to screw the ring on the bottom 1 and then the bottom-ring assembly on the middle part 2. Alternative gripping surfaces to facilitate the rotational drive of the ring could be arranged on other parts thereof, for example on its inner periphery instead of the threaded portion 31 is not arranged over its entire height, and also consist of elements of "male" type instead of "female" type element depending on the tools used. The advantage of notches 331 on the upper face 33 of the ring (the intermediate element 3) is to provide a configuration similar to that of a conventional watch background, which generally comprises notches on around it like those illustrated on the Figures 4A and 5A (references 13), so that the operations of screwing the ring to the bottom 1 and the 1-ring bottom assembly to the middle part 2 can be done with similar manipulations. Such arrangements for the notches 331 make it possible to increase the assembly speed from the bottom 1 to the middle part and thus to increase productivity.

La bague correspondant à un mode de réalisation préférentiel de l'élément intermédiaire 3 illustrée à la figure 2 comporte par ailleurs des repères angulaires 332 destinés à faciliter l'opération d'ajustement pour réorienter le fond correctement par rapport à un axe prédéterminé, comme par exemple l'axe 6h-12h. Ces repères angulaires 34 consistent de préférence en des graduations aménagées sur la face supérieure de la bague et peuvent par exemple être utilisés en coopération avec un index ou toute forme de repère (non représenté) agencé sur le fond 1. On pourra par ailleurs remarquer que, selon un mode de réalisation préférentiel les premières encoches 331 peuvent être utilisées comme repères angulaires; dans ce cas l'écart angulaire entre deux encoches voisines devra être choisi suffisamment petit, comme par exemple inférieur à 15 degrés, pour fournir une granularité permettant de se dispenser de tout autre repère pour effectuer l'ajustement angulaire de correction de la bague (élément intermédiaire 3) par rapport au fond 1, dont le principe est décrit plus loin.The ring corresponding to a preferred embodiment of the intermediate element 3 illustrated in FIG. figure 2 furthermore comprises angular marks 332 intended to facilitate the adjustment operation in order to reorient the bottom correctly with respect to a predetermined axis, such as, for example, the axis 6h-12h. These angular marks 34 preferably consist of graduations arranged on the upper face of the ring and may for example be used in cooperation with an index or any form of marker (not shown) arranged on the bottom 1. It may also be noted that according to a preferred embodiment the first notches 331 may be used as angular references; in this case the angular spacing between two adjacent notches should be chosen sufficiently small, such as less than 15 degrees, to provide a granularity to dispense with any other reference to perform the angular adjustment correction of the ring (element intermediate 3) relative to the bottom 1, whose principle is described below.

La figure 3 est un diagramme illustrant les différentes séquences utilisées selon l'invention pour l'assemblage du fond 1 à la carrure 2. Dans une première étape A, on visse l'élément intermédiaire 3, qui peut prendre la forme d'une bague selon un mode de réalisation préférentiel, sur le fond 1 au moyen de la première portion filetée 11, coopérant avec la troisième portion filetée 31 de l'élément intermédiaire 3 jusqu'en butée. Selon le mode de réalisation préférentiel illustré plus loin sur la figure 4, l'arrivée en butée correspond au moment où la surface inférieure 34 de lélément intermédiaire 3 arrive en contact avec la surface supérieure de contact 14 du fond 1. Ensuite, dans une deuxième étape B on visse l'ensemble fond 1 ― élément intermédiaire 3 sur la carrure 2 au moyen de la deuxième portion filetée 22, coopérant avec la quatrième portion filetée 32 de l'élément intermédiaire 3, de manière à ce que le fond 1 vienne en butée avec la carrure 2, cette arrivée en butée correspondant au moment où la surface supérieure de contact 14 du fond 1 entre en contact avec la surface inférieure de contact 23 de la carrure 2, comme illustré sur la figure 4.The figure 3 is a diagram illustrating the various sequences used according to the invention for assembling the bottom 1 to the middle part 2. In a first step A, the intermediate element 3 is screwed on, which can take the form of a ring according to a of preferential embodiment, on the bottom 1 by means of the first threaded portion 11, cooperating with the third threaded portion 31 of the intermediate member 3 to the stop. According to the preferred embodiment illustrated later on the figure 4 the arrival at the stop corresponds to the moment when the lower surface 34 of the intermediate element 3 comes into contact with the upper contact surface 14 of the bottom 1. Then, in a second step B, the bottom assembly 1 is screwed together - intermediate element 3 on the middle part 2 by means of the second threaded portion 22, cooperating with the fourth threaded portion 32 of the intermediate element 3, so that the bottom 1 comes into abutment with the middle part 2, this arrival in stop corresponding to the moment when the upper contact surface 14 of the bottom 1 comes into contact with the lower contact surface 23 of the middle part 2, as illustrated in FIG. figure 4 .

Le positionnement relatif axial et angulaire du fond 1, la carrure 2 et l'élément intermédiaire 3 sous forme de bague est illustré respectivement par les figures 4 et 4A lorsque l'étape de vissage B a été effectuée. La figure 4 montre que les surfaces référencées 14 du fond 1, 24 de la carrure 2 et 34 de l'élément intermédiaire 3 sont alors situées dans le même plan horizontal, tandis que la figure 4A montre que le logo 15 disposé sur la partie 10 du fond est orienté d'un angle 120 par rapport à l'axe 200 12h-6h de la montre. La figure 4 met par ailleurs en évidence, outre les éléments déjà décrits dans le cadre de la figure 1, les portions filetées 31,32 de la bague (l'élément intermédiaire 3) dont on voit d'une part qu'elles sont agencées dans le même sens, de telle sorte que l'opération de vissage de l'ensemble fond - bague sur la carrure 2 puisse être effectué sans danger de dévissage de la bague par rapport au fond et d'autre part que le pas de filetage de la troisième portion filetée 31 est inférieur au pas de filetage de la quatrième portion filetée 32, ce qui permet de minimiser la correction angulaire de la bague par rapport au fond lorsque cela est nécessaire. Selon un mode de réalisation alternatif, les grandeurs relatives des pas de filetage pourraient être inversés mais dans ce cas l'angle de correction de la bague par rapport au fond (référencé 130 sur la figure 4A) serait toujours supérieur à celui d'orientation préalable du fond (référencé 120 sur la figure 4A).The axial and angular relative positioning of the bottom 1, the middle part 2 and the intermediate element 3 in the form of a ring is illustrated respectively by the Figures 4 and 4A when the screwing step B has been performed. The figure 4 shows that the referenced surfaces 14 of the bottom 1, 24 of the middle part 2 and 34 of the intermediate element 3 are then located in the same horizontal plane, while the Figure 4A shows that the logo 15 disposed on the portion 10 of the bottom is oriented at an angle 120 relative to the axis 200 12h-6h of the watch. The figure 4 also highlights, in addition to the elements already described in the context of the figure 1 , the threaded portions 31,32 of the ring (the intermediate element 3) which we see on the one hand that they are arranged in the same direction, so that the screwing operation of the bottom-ring assembly on the middle part 2 can be performed without danger of unscrewing the ring relative to the bottom and secondly that the thread pitch of the third threaded portion 31 is smaller than the thread pitch of the fourth threaded portion 32, which allows to minimize the angular correction of the ring relative to the bottom when necessary. According to an alternative embodiment, the relative magnitudes of the thread pitches could be reversed but in this case the angle of correction of the ring relative to the bottom (referenced 130 on the Figure 4A ) would always be higher than the previous orientation of the fund (referenced 120 on the Figure 4A ).

L'invention permet d'effectuer simplement et rapidement une étape de correction angulaire du fond précisément grâce au fait que les troisième et quatrième pas de filetage 31,32 sont différenciés. Il suffit pour cela de dévisser la bague (élément intermédiaire 3) du fond 1 d'un angle dépendant de la différence entre les pas de filetage 310 et 320 de la bague (élément intermédiaire 3) et revisser ensuite la bague et le fond 1 sur la carrure 2 pour obtenir l'orientation désirée du fond 1.The invention makes it possible to perform a simple and rapid step of angular correction of the bottom precisely thanks to the fact that the third and fourth threading steps 31, 32 are differentiated. It suffices to unscrew the ring (intermediate element 3) from the bottom 1 of a dependent angle the difference between the threading steps 310 and 320 of the ring (intermediate element 3) and then screw the ring and the bottom 1 back on the middle part 2 to obtain the desired orientation of the bottom 1.

L'étape C du diagramme de la figure 3 consiste à visualiser l'orientation angulaire 120 du fond 1 par rapport à la carrure 2 dans la position assemblée, illustrée par les figures 4 et 4A. Cette étape peut être facilitée par la présence de repères angulaires sur la carrure (non représentés) et/ou sur le fond 1; les encoches 13 du fond peuvent par ailleurs être utilisées à cet effet.Step C of the diagram of the figure 3 is to visualize the angular orientation 120 of the bottom 1 relative to the middle part 2 in the assembled position, illustrated by the Figures 4 and 4A . This step can be facilitated by the presence of angular markers on the middle part (not shown) and / or on the bottom 1; notches 13 of the bottom can also be used for this purpose.

Une fois l'angle d'orientation angulaire 120 déterminé, il faut en déduire, lors de l'étape ultérieure D, l'angle d'ajustement 130 de dévissage de l'élément intermédiaire 3 par rapport au fond 1 en fonction des pas de filetages 310,320 utilisés pour les troisième et quatrième portions filetées 31,32. Selon le mode de réalisation préférentiel illustré, le diamètre interne de la bague (élément intermédiaire 3) est par exemple de 30 millimètres et le diamètre externe de 32 millimètres, tandis que le pas 310 des premier et deuxième filetages 11,31 est de 0.5 et le pas 320 du troisième et du quatrième filetage 22,32 est de 0.4, c'est-à-dire qu'un tour complet de 360 degrés correspond respectivement à des déplacements axiaux de 0.5 et 0.4 millimètres de la bague.Once the angular orientation angle 120 has been determined, it is necessary to deduce, during the subsequent step D, the adjustment angle 130 of unscrewing of the intermediate element 3 relative to the bottom 1 as a function of the steps of threads 310,320 used for third and fourth threaded portions 31,32. According to the preferred embodiment illustrated, the internal diameter of the ring (intermediate element 3) is for example 30 millimeters and the outer diameter 32 millimeters, while the pitch 310 of the first and second threads 11, 31 is 0.5 and the pitch 320 of the third and fourth threads 22, 32 is 0.4, that is to say that a complete turn of 360 degrees corresponds respectively to axial displacements of 0.5 and 0.4 millimeters of the ring.

Sur la figure 4A, qui illustre une montre pourvue d'une carrure 2, d'un fond 1 avec des encoches 13 pour le vissage et comprenant une portion 10 où est visible le logo 15 oméga de la demanderesse, orienté de préférence de façon symétrique par rapport aux encoches 13, ainsi qu'une couronne de réglage 6 classique, l'angle 120 est égal environ à 100 degrés. Si on tourne le fond 1 dans le sens antihoraire de cette même valeur, il sortira de la carrure d'une hauteur de 0.11 = 0.4 (la valeur du pas 310) * 100/360. Par conséquent, pour que le fond 1 appuie de nouveau sur la carrure 2 il faut tourner la bague (élément intermédiaire 3) de 0.11 mm plus profondément dans la carrure 2, ce qui correspond, pour un pas de filetage de 0.5, à un angle de correction 130 de 80 degrés. On pourra remarquer que, quel que soient les pas de filetage 310,320 choisis, l'angle d'ajustement 130 est déduit à partir de l'angle d'orientation 120 déterminé lors de l'étape C par simple multiplication du rapport des pas. Autrement dit, on établit la relation suivante: 130 = 120 *310/320 et selon une variante particulièrement préférée, on peut choisir ce rapport de préférence inférieur à ½ de telle sorte que l'angle de correction soit toujours inférieur à 180 degrés, ce qui résulte en une manipulation aisée si cette dernière est effectuée manuellement. Un angle supérieur à 180 degrés requerrait une opération plus malcommode où l'amplitude de torsion du bras et/ou du poignet pourraient s'avérer désagréable.On the Figure 4A , which illustrates a watch provided with a middle part 2, a bottom 1 with notches 13 for screwing and comprising a portion 10 where is visible the omega 15 logo of the applicant, preferably oriented symmetrically with respect to the notches 13, and a conventional adjusting ring 6, the angle 120 is about 100 degrees. If we turn the bottom 1 in the counterclockwise direction of this same value, it will come out of the middle of a height of 0.11 = 0.4 (the value of the step 310) * 100/360. Therefore, so that the bottom 1 presses again on the middle part 2 it is necessary to turn the ring (intermediate element 3) of 0.11 mm more deeply in the middle part 2, which corresponds, for a pitch of thread of 0.5, to an angle correction 130 of 80 degrees. We can notice that, whatever the chosen thread pitch 310,320, the adjustment angle 130 is derived from the orientation angle 120 determined in step C by simply multiplying the pitch ratio. In other words, the following relationship is established: 130 = 120 * 310/320 and according to a particularly preferred variant, this ratio of preference can be chosen less than ½ so that the correction angle is always less than 180 degrees, which results in easy handling if it is done manually. An angle greater than 180 degrees would require a more awkward operation where the amount of twisting of the arm and / or wrist could be uncomfortable.

Une fois l'angle d'ajustement 130 de l'élément intermédiaire 3 par rapport au fond 1 a été déterminé lors de l'étape D, on peut dans l'étape suivante E dévisser l'élément intermédiaire 3 du fond 1 sur une course angulaire correspondante, ce qui peut être facilité grâce aux repères angulaires 332 ou les encoches lorsque ces dernières sont utilisées comme repères angulaires. Une fois qu'elle est en bonne position, il faut s'assurer que l'élément intermédiaire 3 restera bloqué par rapport au fond 1 lorsque l'ensemble fond 1-élément intermédiaire 3 sera revissé sur la carrure 2. Une étape de blocage n'est pas nécessaire lorsque des forces de friction sont suffisantes entre les premières et deuxièmes portions filetées 11,31, c'est-à-dire lorsque celles-ci sont largement supérieures aux forces de friction agissant entre les troisièmes et quatrièmes portions filetées 22,32. Toutefois, on pourra privilégier d'effectuer une étape additionnelle de blocage E' de l'élément intermédiaire 3 par rapport au fond 1 avant l'étape de revissage F ultérieure, qui est effectuée au moyen de la deuxième portion filetée 22, coopérant avec la quatrième portion filetée 32 agencée sur l'élément intermédiaire 3, de manière à ce que le fond 1 vienne à nouveau en butée avec la carrure 2, c'est-à-dire jusqu'à ce que la surface supérieure de contact fond 14 arrive en contact avec la surface inférieure de contact 24 de la carrure 2. L'étape de blocage E' peut être réalisée par exemple par pointage électrique soudage laser collage, ou encore par refoulement de matière.Once the adjustment angle 130 of the intermediate element 3 with respect to the bottom 1 has been determined in step D, it is possible in the following step E to unscrew the intermediate element 3 from the bottom 1 on a stroke corresponding angle, which can be facilitated by the angular marks 332 or the notches when they are used as angular references. Once it is in a good position, it must be ensured that the intermediate element 3 remains locked relative to the bottom 1 when the bottom assembly 1-intermediate element 3 is screwed back on the middle part 2. A locking step n is not necessary when sufficient frictional forces are present between the first and second threaded portions 11, 31, that is, when these are substantially greater than the frictional forces acting between the third and fourth threaded portions 22, 32. However, it may be preferred to perform an additional blocking step E 'of the intermediate element 3 relative to the bottom 1 before the subsequent screwing step F, which is performed by means of the second threaded portion 22, cooperating with the fourth threaded portion 32 arranged on the intermediate element 3, so that the bottom 1 comes into abutment with the middle part 2, that is to say until the upper contact surface melts 14 arrives in contact with the lower contact surface 24 of the middle part 2. The blocking step E 'can be achieved for example by pointing electrical laser welding, or by material discharge.

Les figures 5 et 5A montrent l'assemblage fond 1 ― carrure 2 en position finale après que l'étape F de revissage a été effectuée. Similairement aux figures 4 et 4A, la figure 5 en coupe montre les dispositions axiales relatives des différents éléments constitutifs de l'assemblage fond 1-bague (élément intermédiaire 3) ― carrure 2, avec en particulier le déplacement axial 131 résultant de l'élément intermédiaire 3 par rapport au fond 1 correspondant à la valeur de l'angle d'ajustement 130 de la figure 4A, soit 0.11 millimètres pour l'exemple décrit, tandis que la figure 5A montre que le logo 15 disposé sur la partie 10 du fond est désormais bien orienté par rapport à l'axe 200 12h-6h de la montre. Entre la figure 4 et la figure 5, seule la position axiale de la bague (élément intermédiaire 3) est différente tandis qu'entre la figure 4A et la figure 5A, seule l'orientation du logo 15 a été corrigée et les angles de d'orientation/de correction (référencés respectivement 120 et 130) ont été supprimés.The Figures 5 and 5A show the assembly of bottom 1 - middle 2 in final position after the step F of screwing was carried out. Similarly to Figures 4 and 4A , the figure 5 sectional view shows the relative axial arrangements of the various constituent elements of the bottom assembly 1-ring (intermediate element 3) - middle 2, with in particular the axial displacement 131 resulting from the intermediate element 3 relative to the bottom 1 corresponding to the value of the adjustment angle 130 of the Figure 4A , ie 0.11 millimeters for the example described, while the Figure 5A shows that the logo 15 disposed on the part 10 of the bottom is now well oriented relative to the axis 200 12h-6h of the watch. Enter here figure 4 and the figure 5 , only the axial position of the ring (intermediate element 3) is different while between the Figure 4A and the Figure 5A , only the orientation of the logo 15 has been corrected and the angles of orientation / correction (referenced respectively 120 and 130) have been removed.

On peut par conséquent constater que le dispositif selon l'invention permet une correction simple et rapide, par simple opération de dévissage-revissage, de l'orientation du fond 1 par rapport à la carrure d'une montre 2. Ce dispositif peut être aisément répliqué à l'orientation angulaire mutuelle de n'importe quels éléments constitutifs d'une montre nécessitant une position précise par rapport à un axe donné.It can therefore be seen that the device according to the invention allows a simple and fast correction, by simple unscrewing-screwing operation, of the orientation of the bottom 1 relative to the middle part of a watch 2. This device can easily be replicated to the mutual angular orientation of any constituent elements of a watch requiring a precise position with respect to a given axis.

Claims (11)

Dispositif de fixation d'un premier élément d'une montre (1) comportant une première portion filetée (11) à un deuxième élément d'une montre (2) comportant une deuxième portion filetée (22), ledit dispositif comprenant un élément intermédiaire (3) pour l'orientation angulaire dudit premier élément (1) par rapport audit deuxième élément (2), caractérisé en ce que ledit élément intermédiaire (3) comprend une troisième portion filetée (31) agencée pour coopérer avec ladite première portion filetée (11) dudit premier élément (1) et une quatrième portion filetée (32) agencée pour coopérer avec ladite deuxième portion filetée (22) dudit deuxième élément (2), les pas de filetage desdits troisième portion filetée (31) et quatrième portion filetée (32) étant différenciés.Device for fixing a first element of a watch (1) comprising a first threaded portion (11) to a second element of a watch (2) comprising a second threaded portion (22), said device comprising an intermediate element ( 3) for the angular orientation of said first element (1) relative to said second element (2), characterized in that said intermediate element (3) comprises a third threaded portion (31) arranged to cooperate with said first threaded portion (11). ) of said first element (1) and a fourth threaded portion (32) arranged to cooperate with said second threaded portion (22) of said second element (2), the threading steps of said third threaded portion (31) and fourth threaded portion (32). ) being differentiated. Dispositif de fixation selon la revendication 1, caractérisé en ce que les filetages desdites troisième portion filetée (31) et quatrième portion filetée (32) sont agencées dans le même sens.Fastening device according to claim 1, characterized in that the threads of said third threaded portion (31) and fourth threaded portion (32) are arranged in the same direction. Dispositif de fixation selon l'une des revendications précédentes, caractérisée en ce que l'élément intermédiaire (3) est une bague filetée et taraudée pour former lesdites troisième portion filetée (31) et quatrième portion filetée (32).Fastening device according to one of the preceding claims, characterized in that the intermediate element (3) is a threaded and threaded ring for forming said third threaded portion (31) and fourth threaded portion (32). Dispositif de fixation selon la revendication 3, caractérisé en ce que le pas du taraudage est inférieur au pas du filetage de ladite bague.Fastening device according to claim 3, characterized in that the pitch of the thread is less than the pitch of the thread of said ring. Dispositif de fixation selon la revendication 3 ou 4, caractérisé en ce que la bague comporte des premières encoches (331).Fastening device according to claim 3 or 4, characterized in that the ring comprises first notches (331). Dispositif de fixation selon la revendication 3 à 5, caractérisé en ce lesdites premières encoches (331) sont agencées sur une surface supérieure (34) de ladite bague.Fastening device according to claim 3 to 5, characterized in that said first notches (331) are arranged on an upper surface (34) of said ring. Dispositif de fixation selon l'une des revendications 3 à 6, ledit premier élément (1) comportant des deuxièmes encoches (13), caractérisé en ce que lesdites premières et deuxièmes encoches (13,331) sont identiques.Fastening device according to one of claims 3 to 6, said first element (1) having second notches (13), characterized in that said first and second notches (13,331) are identical. Dispositif selon l'une des revendications 3 à 7, ladite bague comportant par ailleurs des repères angulaires (332).Device according to one of claims 3 to 7, said ring further comprising angular marks (332). Dispositif de fixation selon la revendication 5, caractérisé en ce que lesdites premières encoches (331) sont utilisées comme repères angulaires pour faciliter l'ajustement angulaire de correction.Fastening device according to claim 5, characterized in that said first notches (331) are used as angular marks to facilitate the correction angular adjustment. Procédé de fixation d'un premier élément (1) d'une montre à un deuxième élément (2) d'une montre, comprenant les étapes de: - se munir d'un premier élément (1) présentant une première portion filetée (11); - se munir deuxième élément d'une montre (2) comportant une deuxième portion filetée (22); - se munir d'un élément intermédiaire (3) présentant une troisième portion filetée (31) destinée à coopérer avec ladite première portion filetée (11) dudit premier élément (1) et une quatrième portion filetée (32) destinée à coopérer avec ladite deuxième portion filetée (22) dudit deuxième élément (2); - (A) : visser l'élément intermédiaire (3) sur ledit premier élément (1) au moyen de ladite première portion filetée (11) jusqu'en butée; - (B) : visser l'ensemble premier élément (1)-élément intermédiaire (3) sur le deuxième élément (2) au moyen de ladite deuxième portion filetée (22) de manière à ce que le premier élément (1) vienne en butée avec le deuxième élément (2); caractérisé en ce qu'il comprend les étapes suivantes de: - (C) visualiser une orientation angulaire (120) dudit premier élément (1) par rapport audit deuxième élément (2); - (D) déterminer un angle d'ajustement (130) dudit élément intermédiaire (3) par rapport audit premier élément (1) en fonction des pas de filetages utilisés pour les troisième et quatrième portions filetées (31,32); - (E) dévisser l'élément intermédiaire (3) dudit premier élément (1) sur une course angulaire correspondant audit angle d'ajustement (130); - (F) revisser l'ensemble premier élément (1)-élément intermédiaire (3) sur le deuxième élément (2) au moyen de ladite deuxième portion filetée (22) de manière à ce que le premier élément (1) vienne à nouveau en butée avec le deuxième élément (2). A method of attaching a first element (1) of a watch to a second element (2) of a watch, comprising the steps of: - To provide a first element (1) having a first threaded portion (11); - To provide second element of a watch (2) having a second threaded portion (22); - To provide an intermediate element (3) having a third threaded portion (31) intended to cooperate with said first threaded portion (11) of said first element (1) and a fourth threaded portion (32) intended to cooperate with said second threaded portion (22) of said second member (2); - (A): screw the intermediate element (3) on said first element (1) by means of said first threaded portion (11) to the stop; - (B): screwing together the first element (1) - intermediate element (3) on the second element (2) by means of said second threaded portion (22) so that the first element (1) comes into stop with the second element (2); characterized in that it comprises the following steps of: - (C) displaying an angular orientation (120) of said first member (1) relative to said second member (2); - (D) determining an adjustment angle (130) of said intermediate element (3) with respect to said first element (1) according to threaded threads used for third and fourth threaded portions (31,32); - (E) unscrewing the intermediate element (3) of said first element (1) on an angular stroke corresponding to said adjustment angle (130); - (F) screwing together the first element (1) - intermediate element (3) on the second element (2) by means of said second threaded portion (22) so that the first element (1) comes again in abutment with the second element (2). Procédé de fixation selon la revendication 10, caractérisé en ce qu'il comprend une étape additionnelle (E') de blocage dudit élément intermédiaire (3) sur ledit premier élément (1) après ladite étape de dévissage (E).Fastening method according to claim 10, characterized in that it comprises an additional step (E ') for blocking said intermediate element (3) on said first element (1) after said unscrewing step (E).
EP11169051.7A 2011-06-08 2011-06-08 Device and method for attaching a watch element with adjustable angular orientation Active EP2533111B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH00968/11A CH705089A2 (en) 2011-06-08 2011-06-08 Device for fixing bottom to middle of watch, has intermediate element comprising threaded portions engaged with threaded portions of bottom and middle of watch, where threaded portions of element have differentiated thread pitches
EP11169051.7A EP2533111B1 (en) 2011-06-08 2011-06-08 Device and method for attaching a watch element with adjustable angular orientation
US13/488,938 US9003660B2 (en) 2011-06-08 2012-06-05 Device and method for securing a watch element with adjustable angular orientation
KR1020120060900A KR101411707B1 (en) 2011-06-08 2012-06-07 Securing device and securing method for securing a watch element with adjustable angular orientation
RU2012123733/12A RU2596972C2 (en) 2011-06-08 2012-06-07 Device and method of watches fastening element with adjustable angular orientation
CN201210189229.5A CN102819214B (en) 2011-06-08 2012-06-08 Device and method for securing a watch element with adjustable angular orientation
JP2012130443A JP5486043B2 (en) 2011-06-08 2012-06-08 Apparatus and method for fixing a watch element in an adjustable angular orientation
HK13106846.8A HK1179360A1 (en) 2011-06-08 2013-06-10 Device and method for securing a watch element with adjustable angular orientation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11169051.7A EP2533111B1 (en) 2011-06-08 2011-06-08 Device and method for attaching a watch element with adjustable angular orientation

Publications (2)

Publication Number Publication Date
EP2533111A1 true EP2533111A1 (en) 2012-12-12
EP2533111B1 EP2533111B1 (en) 2015-08-12

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Application Number Title Priority Date Filing Date
EP11169051.7A Active EP2533111B1 (en) 2011-06-08 2011-06-08 Device and method for attaching a watch element with adjustable angular orientation

Country Status (8)

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US (1) US9003660B2 (en)
EP (1) EP2533111B1 (en)
JP (1) JP5486043B2 (en)
KR (1) KR101411707B1 (en)
CN (1) CN102819214B (en)
CH (1) CH705089A2 (en)
HK (1) HK1179360A1 (en)
RU (1) RU2596972C2 (en)

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Also Published As

Publication number Publication date
US20120311862A1 (en) 2012-12-13
CN102819214A (en) 2012-12-12
JP2012255783A (en) 2012-12-27
CH705089A2 (en) 2012-12-14
RU2596972C2 (en) 2016-09-10
KR20120136300A (en) 2012-12-18
KR101411707B1 (en) 2014-06-25
US9003660B2 (en) 2015-04-14
HK1179360A1 (en) 2013-09-27
JP5486043B2 (en) 2014-05-07
CN102819214B (en) 2014-12-31
EP2533111B1 (en) 2015-08-12
RU2012123733A (en) 2013-12-20

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