EP2770379B1 - Method for aligning a glass relative to a case middle - Google Patents

Method for aligning a glass relative to a case middle Download PDF

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Publication number
EP2770379B1
EP2770379B1 EP13156763.8A EP13156763A EP2770379B1 EP 2770379 B1 EP2770379 B1 EP 2770379B1 EP 13156763 A EP13156763 A EP 13156763A EP 2770379 B1 EP2770379 B1 EP 2770379B1
Authority
EP
European Patent Office
Prior art keywords
connection points
ice
crystal
electronic module
relative
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.)
Active
Application number
EP13156763.8A
Other languages
German (de)
French (fr)
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EP2770379A1 (en
Inventor
Christian Racine
Martin Jufer
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP13156763.8A priority Critical patent/EP2770379B1/en
Priority to HK14101796.8A priority patent/HK1192409A2/en
Priority to KR1020140022094A priority patent/KR101536861B1/en
Priority to US14/188,985 priority patent/US9471041B2/en
Priority to JP2014034921A priority patent/JP5914546B2/en
Priority to CN201420084095.5U priority patent/CN203838488U/en
Priority to CN201410067057.3A priority patent/CN104007654B/en
Publication of EP2770379A1 publication Critical patent/EP2770379A1/en
Application granted granted Critical
Publication of EP2770379B1 publication Critical patent/EP2770379B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • 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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components
    • G04G17/045—Mounting of the display
    • 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
    • Y10T29/49002—Electrical device making

Definitions

  • the invention relates to a timepiece comprising a housing 3 formed by a middle part closed by a bottom and by an ice, said mirror being supported on a support surface of the middle part, parallel to said bottom, said housing forming a housing in which an electronic module is placed, said timepiece further comprises a display module fixed on the ice, the electronic module and the display module comprise a number of identical connection points so that electrical connection means can connect the two points of connection of the electronic module to the connection points of the display module.
  • timepieces such as watches, consisting of a case made of plastic material closed by an ice and a bottom to form a watch case.
  • the plastic watch window includes a user-facing top face and a bottom face opposite the top face, a digital display being adhered to the underside of the window.
  • the ice is welded to the middle part by means of a laser beam.
  • This timepiece includes an electronic module placed in the watch case.
  • This electronic module as an LCD module comprises a plurality of connection points to be connected to a plurality of connection points arranged on the digital display device.
  • a zebra connector is then used to electrically connect the digital display device and the electronic module.
  • the connection points of the digital display device and the connection points of the electronic module are arranged so as to be facing each other allowing a simplified connection.
  • the current assembly method has manufacturing tolerances. This means that the ice, on which the electronic module is fixed, can be fixed on the middle part with slight offsets. As a result, the connection points of the electronic module and the connection points of the display module may not be perfectly aligned. This may not be a problem if the connection points are spaced apart.
  • connection points With a high density of connection points, the margins of error during the assembly can cause a significant offset of the connection points with respect to each other. Therefore, it is possible that one or more points of connection of the electronic module and connection points of the electronic module to be connected together can not be.
  • the assembly formed of ice 9 and the electronic module must then be dismantled and reassembled or at worst be considered as waste. The production rates are then lower and the costs increase in consequence.
  • the object of the invention is to overcome the drawbacks of the prior art by proposing to provide methods of assembling a timepiece whose connection points of the LCD module fixed on the ice are perfectly aligned with the points of contact. connection of the electronic module of said timepiece.
  • step c) aimed at determining the position of at least one tenon arranged on the middle part with respect to the first connection points consists of making an optical image of the middle part and measuring the distance of the first connection points with respect to said at least one tenon serving as reference.
  • step c) for determining the position of at least one tenon arranged on the ice relative to the second connection points is to make an optical image of the ice and to measure the distance of the second connection points with respect to said at least one pin serving as a reference.
  • the step of determining the position of the display module with respect to the ice is to make an optical image of the ice.
  • the step of determining the position of the electronic module relative to the middle part consists of making an optical image of the middle part.
  • the number of tenons is identical to recesses.
  • the middle comprises two pins and the ice comprises two recesses.
  • the middle comprises two recesses and the ice comprises two pins.
  • This timepiece 1 comprises a housing 3.
  • This housing 3 is formed of a middle 5 closed by a bottom 7 and by an ice 9
  • This ice 9 comprises an inner face 9a and an outer face 9b.
  • This middle part 5 has at least one bearing surface 5a on which the lens 9 comes to bear, on its inner face, support when attached to the middle part 5.
  • said middle 5 has a single bearing surface 5a around said middle part 5.
  • This bearing surface 5a thus extends parallel to the bottom of the housing 3. It is conceivable that the middle 5 and the bottom 7 is one and the same piece.
  • This housing 3 makes it possible to form a housing 11 in which an electronic module 13 is placed.
  • This electronic module 13 is the module managing the different functions of the timepiece 1 such as the provision of a time information, a chronograph function, an alarm function or other.
  • This electronic module 13 is powered by a battery or accumulator providing the necessary electrical energy.
  • This electronic module 13 is provided with a plurality of connection points 15.
  • first connection points 17 are used for the display.
  • the display of the information provided by the electronic module 13 is performed by a display module 19 such as an LCD module 20.
  • This LCD module 20 is fixed on the ice 9 of the timepiece 1 and more particularly on the inner face 9a of the glass 9.
  • This display module 19 comprises second connection points 21 for said display module 19 to be connected to the electronic module 13 of the timepiece 1. It then comprises that the number of first connection points 17 is identical to the number of second connection points 21.
  • the first connection points 17 and the second connection points 21 can each be divided into several groups of distributed connection points at the electronic module 13 or at the level of the LCD module 20.
  • the distribution of the first connection points 17 is identical to that of the second connection points 21.
  • the first connection points 17 and the second connection points 21 are arranged in lines on two opposite faces of the ice.
  • the LCD module 20 is fixed on the lower face 9a of the lens 9 by various fixing techniques such as laser welding, soldering or gluing.
  • a first step is to provide the assembly 4 formed by the middle 5 and bottom 7 and to place the electronic module 13.
  • the display module 19, that is to say the LCD module 20 is fixed on the glass 9.
  • the LCD module 20 is fixed by gluing on the glass 9.
  • This step consists of then to take the ice 9, to put it on a support so that the inner face 9a, on which the LCD module 20 will be fixed, is oriented upwards and to put the LCD module 20 on the glass 9.
  • the bonding operation is performed automatically by a machine.
  • the appropriate position is the position allowing, when the lens 9 is fixed on the caseband 5, to have the first connection points 17 and the second connection points 21 facing each other.
  • the glass 9 is attached to the middle part 5 of the timepiece.
  • the lens 9 carrying the LCD module 20 is placed on the bearing surface 5a of the middle part 5 in a predefined position.
  • the ice 9 in this predefined position it is permanently attached to the middle 5 by a laser welding operation, soldering or by any other method as possible collage.
  • a hood can be placed over ice 9 to hide the joint between said ice 9 and middle part 5.
  • the timepiece is provided with alignment means 30.
  • These alignment means 30 comprise first alignment elements 32 and second alignment elements 34.
  • the first alignment elements 32 are arranged on the middle 5 of the timepiece while the second alignment elements 34 are arranged on the ice 9.
  • the first alignment elements 32 comprise at least two pins 33. These pins 33 are arranged on the bearing surface 5a of the middle part 5 and extend perpendicular to the plane of said bearing surface 5a.
  • the second alignment elements 34 comprise at least two recesses 35 located at the level of the ice 9. It will be understood that the number of recesses 35 is identical to the number of tenons 33.
  • the invention provides that the recesses 35 are made on the ice 9 after the second step during which the LCD module 20 is fixed on the ice 9.
  • the present invention proposes that the recesses on the ice 9 are made so as to compensate for a variation of the position of the LCD module 20 with respect to the glass 9. Indeed, it is possible that during the fixing of the LCD module 20 to the glass 9, the stresses are exerted on the LCD module 20 having as a consequence a variation of the position of said LCD module 20 with respect to the glass 9. Similarly, the position of the electronic module 13 relative to the assembly formed by the middle 5 and the bottom 7 may vary.
  • the assembly method provides for an additional step performed between the second step and the third step. This step then consists of making optical measurements and comparing them.
  • a first sub-step consists of making optical images of the lens 9 provided with the LCD module 20 and the caseband 5 provided with the electronic module 13, ie determining the position of the electronic module 13 with respect to 5.
  • the first connection points 17 and the second connection points 21 are arranged to form a row or line.
  • the first connection points 17 comprise a connection point A located at a first end of the row formed by the first connection points 17 and a point of connection.
  • connection B being located at a second end of the row formed by the first connection points 17.
  • This image makes it possible to define the position of the connection points A and B relative to a reference. In this case, the reference in question is the axis passing through the two pins.
  • a second sub-step then consists in making the recesses on the ice 9 as a function of the images made.
  • the second connection points 21 comprise a connection point X located at a first end of the row formed by the second connection points 21 and a connection point Y at a second end of the row.
  • the connection point X must be connected to the connection point A and the connection point Y must be connected to the connection point B.
  • the recesses on the ice 9 are then made so that the position of the connection points X and Y with respect to the axis passing through the two recesses 35 is the same as the position of the connection points A and B with respect to the axis passing through the two pins 33.
  • steps c), d), e) and f) of the process are modified accordingly.
  • connection points 21 are arranged at only one face of the ice 9.
  • This preferred version has the advantage of presenting a faster and more flexible assembly process. It makes it possible not to realize the image of the electronic module 13 and to make only the image of the mirror 9. In the case where these two images are made in parallel, time is gained and in the case where these two images are performed successively, a machine is saved. In addition, this version allows greater flexibility. This flexibility comes from the fact that in all the assemblies formed by the middle 5 and the bottom, the position of the electronic module 13 is perfectly identical. However, the recesses of each ice 9 are drilled so as to be compatible with the arrangement of the electronic module 13 relative to the axis passing through the two pins 33.
  • each ice 9 pierced by the two recesses 35 can in theory to be associated with any set of middle 5 - bottom 7 provided with an electronic module 13.
  • the recesses 35 of each ice 9 are made to be compatible with that one looks together middle size 5 - bottom provided with an electronic module 13, there is no flexibility or interchangeability
  • each ice cream 9 is provided with a pair of projecting portions such as ears 36 each extending from one side or side of the glass 9.
  • ears 36 are arranged to be diametrically opposed.
  • this pair ears 36 is arranged so that they are located on opposite sides.
  • the ice 9 is rectangular, it thus has two faces extending along the length of the ice 9 and two faces extending along the width of the ice 9.
  • the ears 36 are either placed on each of the two faces extending along the length of the ice 9 or on each of the two faces extending along the width of the ice 9.
  • the ears 36 are centered on the faces of the ice 9 as visible to the figure 4 .
  • the recesses 35 are through. This feature has the advantage of allowing a better maintenance of the ice 9 on the middle part 5. In fact, as the recesses 35 are through, the studs 33 are larger in size and thus provides greater support.
  • the recesses 35 are not identical. Indeed, it is possible that the manufacturing method of the middle 5 and therefore the studs 33 is such that a variation of the position of one or tenons 33 along the axis formed by the two pins 33 is possible. In the example of the figure 4 it is the axis 6h-12h. With two circular recesses, there is a risk that a post 33 does not fit into its recess. In order to solve this problem, the recesses 35 are arranged so that the crystal 9 is provided with a recess 35 centered and a recess 35 aligned, that is to say that one of the recesses 35 is circular whereas the other is oblong as visible at the figure 4 .
  • the oblong recess extends along the axis formed by the two recesses 35. This configuration has the advantage of tolerating the variations in the positions of the studs 33, since during assembly one of the studs 33 is inserted into the recess 35.
  • the oblong recess 35 allows the second pin 33 to be inserted into it and thus aligns the ice 9. This alignment of the ice 9 is done even if one of the two tenons 33 is not in its ideal position.
  • the first alignment elements comprise at least two recesses. These recesses are arranged on the bearing surface of the middle part 5 and that the second alignment elements comprise at least two studs located at the level of the ice 9.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Description

L'invention concerne une pièce d'horlogerie comprenant un boîtier 3 formé par une carrure fermée par un fond et par une glace, ladite glace prenant appui sur une surface d'appui de la carrure, parallèle audit fond, ledit boîtier formant un logement dans lequel un module électronique est placé, ladite pièce d'horlogerie comprend en outre un module d'affichage fixé sur la glace, le module électronique et le module d'affichage comprennent un nombre de points de connexion identique de sorte que des moyens de liaison électrique puissent relier deux à deux les points de connexion du module électronique aux points de connexion du module d'affichage.The invention relates to a timepiece comprising a housing 3 formed by a middle part closed by a bottom and by an ice, said mirror being supported on a support surface of the middle part, parallel to said bottom, said housing forming a housing in which an electronic module is placed, said timepiece further comprises a display module fixed on the ice, the electronic module and the display module comprise a number of identical connection points so that electrical connection means can connect the two points of connection of the electronic module to the connection points of the display module.

ARRIERE PLAN TECHNOLOGIQUEBACKGROUND TECHNOLOGY

Il est connu des pièces d'horlogerie, comme des montres, constituées d'une carrure en matière plastique fermée par une glace et un fond afin de former une boîte de montre. Cette glace de montre pouvant être en plastique comprend une face supérieure dirigée du côté d'un utilisateur et une face inférieure opposée à la face supérieure, un dispositif d'affichage numérique étant collé sur la face inférieure de la glace. La glace est soudée sur la carrure au moyen d'un faisceau laser. Cette pièce d'horlogerie comprend un module électronique placé dans la boîte de montre. Ce module électronique comme un module LCD comprend une pluralité de points de connexion devant être connectés à une pluralité de points de connexion agencés sur le dispositif d'affichage numérique. Un connecteur de type zébra est alors utilisé pour connecter électriquement le dispositif d'affichage numérique et le module électronique. Les points de connexion du dispositif d'affichage numérique et les points de connexion du module électronique sont agencés de sorte à être en regard les uns des autres permettant une connexion simplifiée.There are known timepieces, such as watches, consisting of a case made of plastic material closed by an ice and a bottom to form a watch case. The plastic watch window includes a user-facing top face and a bottom face opposite the top face, a digital display being adhered to the underside of the window. The ice is welded to the middle part by means of a laser beam. This timepiece includes an electronic module placed in the watch case. This electronic module as an LCD module comprises a plurality of connection points to be connected to a plurality of connection points arranged on the digital display device. A zebra connector is then used to electrically connect the digital display device and the electronic module. The connection points of the digital display device and the connection points of the electronic module are arranged so as to be facing each other allowing a simplified connection.

Des exemples des montres qu'on vient de décrire sont donnés dans les documents EP 2 477 084 A1 , CH 704 453 A2 et EP 1 122 620 A1 , ainsi que dans le document EP 2 584 413 A1 , publié après la date de dépôt de la présente demande de brevet.Examples of the watches just described are given in the documents EP 2 477 084 A1 , CH 704 453 A2 and EP 1 122 620 A1 , as well as in the document EP 2 584 413 A1 published after the filing date of this patent application.

Or, la méthode d'assemblage actuelle présente des tolérances de fabrication. On entend par là que la glace, sur laquelle le module électronique est fixé, peut être fixée sur la carrure avec de légers décalages. De ce fait, les points de connexion du module électronique et les points de connexion du module d'affichage peuvent ne pas être parfaitement alignés. Cela peut ne pas poser de problèmes dans le cas où les points de connexion sont espacés.However, the current assembly method has manufacturing tolerances. This means that the ice, on which the electronic module is fixed, can be fixed on the middle part with slight offsets. As a result, the connection points of the electronic module and the connection points of the display module may not be perfectly aligned. This may not be a problem if the connection points are spaced apart.

Néanmoins, avec une importante densité de points de connexion, les marges d'erreur lors de l'assemblage peuvent provoquer un décalage important des points de connexion les uns par rapport aux autres. Par conséquent, il est possible qu'un ou plusieurs points de connexion du module électronique et points de connexion du module électronique devant être connectés ensembles ne puissent plus l'être. L'ensemble formé de glace 9 et du module électronique doit alors être démonté et réassemblé ou au pire être considéré comme déchet. Les cadences de production sont alors plus faibles et les coûts augmentent en conséquences.Nevertheless, with a high density of connection points, the margins of error during the assembly can cause a significant offset of the connection points with respect to each other. Therefore, it is possible that one or more points of connection of the electronic module and connection points of the electronic module to be connected together can not be. The assembly formed of ice 9 and the electronic module must then be dismantled and reassembled or at worst be considered as waste. The production rates are then lower and the costs increase in consequence.

RESUME DE L'INVENTIONSUMMARY OF THE INVENTION

L'invention a pour but de pallier les inconvénients de l'art antérieur en proposant de fournir des procédés d'assemblage d'une pièce d'horlogerie dont les points de connexion du module LCD fixé sur la glace sont parfaitement alignés avec les points de connexion du module électronique de ladite pièce d'horlogerie.The object of the invention is to overcome the drawbacks of the prior art by proposing to provide methods of assembling a timepiece whose connection points of the LCD module fixed on the ice are perfectly aligned with the points of contact. connection of the electronic module of said timepiece.

En particulier, dans un premier mode de réalisation, la présente invention concerne un procédé d'assemblage d'une pièce d'horlogerie comprenant un boîtier formé par une carrure fermée par un fond et par une glace définissant un logement, ledit procédé comprenant les étapes suivantes :

  1. a) se munir d'un module électronique comprenant des premiers points de connexion et le placer dans ledit logement ;
  2. b) se munir d'une glace présentant une face extérieure et une face inférieure sur laquelle un module d'affichage comprenant des seconds points de connexion est fixé, les seconds points de connexion devant coopérer avec les premiers points de connexion ;
caractérisé en ce que ledit procédé comprenant en outre les étapes:
  • c) déterminer la position d'au moins un tenon agencé sur la carrure par rapport aux premiers points de connexions;
  • d) déterminer la position du module d'affichage par rapport à la glace;
  • e) réaliser au moins un évidement sur la glace en fonction de la position dudit au moins un tenon agencé sur la carrure par rapport aux premiers points de connexions; et
  • f) poser la glace sur la carrure en faisant coopérer ledit au moins un tenon et ledit au moins un évidement et rendre solidaire ladite glace de ladite carrure.
In particular, in a first embodiment, the present invention relates to a method of assembling a timepiece comprising a housing formed by a middle part closed by a bottom and by an ice defining a housing, said method comprising the steps following:
  1. a) equipping an electronic module comprising first connection points and placing it in said housing;
  2. b) providing an ice having an outer face and a lower face on which a display module comprising second connection points is fixed, the second connection points to cooperate with the first connection points;
characterized in that said method further comprising the steps of:
  • c) determining the position of at least one tenon arranged on the middle part with respect to the first connection points;
  • d) determining the position of the display module with respect to the ice;
  • e) performing at least one recess on the ice according to the position of said at least one pin arranged on the middle part with respect to the first connection points; and
  • f) placing the ice on the middle part by cooperating said at least one peg and said at least one recess and to make said ice of said middle.

Dans un autre mode de réalisation, l'invention concerne un procédé d'assemblage d'une pièce d'horlogerie comprenant un boîtier formé par une carrure fermée par un fond et par une glace définissant un logement, ledit procédé comprenant les étapes suivantes :

  1. a) se munir d'un module électronique comprenant des premiers points de connexion et le placer dans ledit logement ;
  2. b) se munir d'une glace présentant une face extérieure et une face inférieure sur laquelle un module d'affichage comprenant des seconds points de connexion est fixé, les seconds points de connexion devant coopérer avec les premiers points de connexion ;
ledit procédé comprenant en outre les étapes:
  • c) déterminer la position d'au moins un tenon agencé sur la glace par rapport aux seconds points de connexions;
  • d) déterminer la position du module électronique par rapport à la carrure;
  • e) réaliser au moins un évidement sur la carrure en fonction de la position dudit au moins un tenon agencé sur la glace par rapport aux seconds points de connexions; et
  • f) poser la glace sur la carrure en faisant coopérer ledit au moins un tenon et ledit au moins un évidement et rendre solidaire ladite glace de ladite carrure.
In another embodiment, the invention relates to a method of assembling a timepiece comprising a housing formed by a middle part closed by a bottom and by an ice defining a housing, said method comprising the following steps:
  1. a) equipping an electronic module comprising first connection points and placing it in said housing;
  2. b) providing an ice having an outer face and a lower face on which a display module comprising second connection points is fixed, the second connection points to cooperate with the first connection points;
said method further comprising the steps of:
  • c) determining the position of at least one tenon arranged on the ice relative to the second connection points;
  • d) determining the position of the electronic module relative to the middle part;
  • e) providing at least one recess on the middle part according to the position of said at least one tenon arranged on the ice with respect to the second connection points; and
  • f) placing the ice on the middle part by cooperating said at least one peg and said at least one recess and to make said ice of said middle.

Dans un mode de réalisation préféré, l'étape c) visant à déterminer la position d'au moins un tenon agencé sur la carrure par rapport aux premiers points de connexions consiste à faire une image optique de la carrure et à mesurer la distance des premiers points de connexions par rapport audit au moins un tenon faisant office de référence.In a preferred embodiment, step c) aimed at determining the position of at least one tenon arranged on the middle part with respect to the first connection points consists of making an optical image of the middle part and measuring the distance of the first connection points with respect to said at least one tenon serving as reference.

Dans un autre mode de réalisation préféré, l'étape c) visant à déterminer la position d'au moins un tenon agencé sur la glace par rapport aux seconds points de connexions consiste à faire une image optique de la glace et à mesurer la distance des seconds points de connexions par rapport audit au moins un tenon faisant office de référence.In another preferred embodiment, step c) for determining the position of at least one tenon arranged on the ice relative to the second connection points is to make an optical image of the ice and to measure the distance of the second connection points with respect to said at least one pin serving as a reference.

Dans un autre mode de réalisation préféré, l'étape visant à déterminer la position du module d'affichage par rapport à la glace consiste à faire une image optique de la glace.In another preferred embodiment, the step of determining the position of the display module with respect to the ice is to make an optical image of the ice.

Dans un autre mode de réalisation préféré, l'étape visant à déterminer la position du module électronique par rapport à la carrure consiste à faire une image optique de la carrure.In another preferred embodiment, the step of determining the position of the electronic module relative to the middle part consists of making an optical image of the middle part.

Dans un autre mode de réalisation préféré, le nombre de tenons est identique d'évidements.In another preferred embodiment, the number of tenons is identical to recesses.

Dans un autre mode de réalisation préféré, la carrure comprend deux tenons et la glace comprend deux évidements.In another preferred embodiment, the middle comprises two pins and the ice comprises two recesses.

Dans un autre mode de réalisation préféré, la carrure comprend deux évidements et la glace comprend deux tenons.In another preferred embodiment, the middle comprises two recesses and the ice comprises two pins.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

Les buts, avantages et caractéristiques de la pièce d'horlogerie et du procédé selon la présente invention apparaîtront plus clairement dans la description détaillée suivante d'au moins une forme de réalisation de l'invention donnée uniquement à titre d'exemple non limitatif et illustrée par les dessins annexés sur lesquels :

  • La figure 1 représente schématiquement une pièce d'horlogerie selon l'invention
  • La figure 2 représente schématiquement une vue de dessus de la pièce d'horlogerie sans la glace selon l'invention;
  • La figure 3 représente schématiquement une vue de dessus de la glace 9 de la pièce d'horlogerie selon l'invention ;
  • La figure 4 schématiquement une vue de dessus de la glace de la pièce d'horlogerie une fois que le procédé selon l'invention est effectué;
  • Les figures 5 et 6 représentent schématiquement la surface utile de la glace selon l'invention et une de ses variantes.
The aims, advantages and characteristics of the timepiece and the method according to the present invention will appear more clearly in the following detailed description of at least one embodiment of the invention given solely by way of nonlimiting example and illustrated by the attached drawings in which:
  • The figure 1 schematically represents a timepiece according to the invention
  • The figure 2 schematically represents a view from above of the timepiece without the ice according to the invention;
  • The figure 3 schematically represents a view from above of the ice-cream 9 of the timepiece according to the invention;
  • The figure 4 schematically a top view of the ice of the timepiece once the method according to the invention is carried out;
  • The Figures 5 and 6 schematically represent the useful surface of the ice according to the invention and one of its variants.

DESCRIPTION DETAILLEEDETAILED DESCRIPTION

Sur la figure 1, une vue en coupe de la pièce d'horlogerie 1 selon l'invention est représentée. Cette pièce d'horlogerie 1 comprend un boîtier 3. Ce boîtier 3 est formé d'une carrure 5 fermée par un fond 7 et par une glace 9. cette glace 9 comprend une face intérieure 9a et une face extérieure 9b. Cette carrure 5 présente au moins une surface d'appui 5a sur laquelle la glace 9 vient prendre, sur sa face intérieure, appui lors de sa fixation sur la carrure 5. Dans le cas de la figure 1 où la carrure 5 présente une forme sensiblement rectangulaire, ladite carrure 5 présente une unique surface d'appui 5a faisant le tour de ladite carrure 5. Cette surface d'appui 5a s'étend ainsi parallèlement au fond du boîtier 3. Il est envisageable que la carrure 5 et le fond 7 soit une seule et même pièce.On the figure 1 , a sectional view of the timepiece 1 according to the invention is shown. This timepiece 1 comprises a housing 3. This housing 3 is formed of a middle 5 closed by a bottom 7 and by an ice 9 This ice 9 comprises an inner face 9a and an outer face 9b. This middle part 5 has at least one bearing surface 5a on which the lens 9 comes to bear, on its inner face, support when attached to the middle part 5. In the case of the figure 1 where the middle 5 has a substantially rectangular shape, said middle 5 has a single bearing surface 5a around said middle part 5. This bearing surface 5a thus extends parallel to the bottom of the housing 3. It is conceivable that the middle 5 and the bottom 7 is one and the same piece.

Ce boîtier 3 permet de former un logement 11 dans lequel un module électronique 13 est placé. Ce module électronique 13 est le module gérant les différentes fonctions de la pièce d'horlogerie 1 telles que la fourniture d'une information de temps, une fonction chronographe, une fonction réveil ou autres. Ce module électronique 13 est alimenté en énergie par une pile ou un accumulateur fournissant l'énergie électrique nécessaire.This housing 3 makes it possible to form a housing 11 in which an electronic module 13 is placed. This electronic module 13 is the module managing the different functions of the timepiece 1 such as the provision of a time information, a chronograph function, an alarm function or other. This electronic module 13 is powered by a battery or accumulator providing the necessary electrical energy.

Ce module électronique 13 est muni d'une pluralité de points de connexion 15. Parmi cette pluralité de points de connexion 15, des premiers points de connexion 17 sont utilisés pour l'affichage. En effet, l'affichage des informations fournies par le module électronique 13 est effectué par un module d'affichage 19 tel qu'un module LCD 20. Ce module LCD 20 est fixé sur la glace 9 de la pièce d'horlogerie 1 et plus particulièrement sur la face intérieure 9a de la glace 9. Ce module d'affichage 19 comprend des seconds points de connexion 21 permettant audit module d'affichage 19 d'être connecté au module électronique 13 de la pièce d'horlogerie 1. On comprend alors que le nombre de premiers points de connexion 17 est identique au nombre de seconds points de connexion 21. Les premiers points de connexion 17 et les seconds points de connexion 21 peuvent être chacun repartis en plusieurs groupes de points de connexion réparties au niveau du module électronique 13 ou au niveau du module LCD 20. De préférence, la répartition des premiers points de connexion 17 est identique à celle des seconds points de connexion 21. Dans le cas de la figure 2, on constate que les premiers points de connexion 17 et les seconds points de connexion 21 sont disposés en lignes sur deux faces opposées de la glace.This electronic module 13 is provided with a plurality of connection points 15. Among this plurality of connection points 15, first connection points 17 are used for the display. Indeed, the display of the information provided by the electronic module 13 is performed by a display module 19 such as an LCD module 20. This LCD module 20 is fixed on the ice 9 of the timepiece 1 and more particularly on the inner face 9a of the glass 9. This display module 19 comprises second connection points 21 for said display module 19 to be connected to the electronic module 13 of the timepiece 1. It then comprises that the number of first connection points 17 is identical to the number of second connection points 21. The first connection points 17 and the second connection points 21 can each be divided into several groups of distributed connection points at the electronic module 13 or at the level of the LCD module 20. Preferably, the distribution of the first connection points 17 is identical to that of the second connection points 21. In the case of the figure 2 it is found that the first connection points 17 and the second connection points 21 are arranged in lines on two opposite faces of the ice.

Le module LCD 20 est fixé sur la face inférieure 9a de la glace 9 par différentes techniques de fixation telle que le soudage laser, le brasage ou encore le collage.The LCD module 20 is fixed on the lower face 9a of the lens 9 by various fixing techniques such as laser welding, soldering or gluing.

Ainsi, lors de l'assemblage de la pièce d'horlogerie 1, une premier étape consiste à se munir de l'ensemble 4 formé par la carrure 5 et fond 7 et à y placer le module électronique 13.Thus, during the assembly of the timepiece 1, a first step is to provide the assembly 4 formed by the middle 5 and bottom 7 and to place the electronic module 13.

Lors d'une seconde étape, le module d'affichage 19 c'est-à-dire le module LCD 20 est fixé sur la glace 9. Par exemple, le module LCD 20 est fixé par collage sur la glace 9. Cette étape consiste alors à prendre la glace 9, à la poser sur un support de sorte que la face intérieure 9a, sur laquelle le module LCD 20 sera fixé, soit orientée vers le haut et à poser le module LCD 20 sur la glace 9. Une fois le module LCD 20 dans sa position appropriée, l'opération de collage est réalisée automatiquement par une machine. La position appropriée est la position permettant, lorsque la glace 9 est fixée sur la carrure 5, avoir les premiers points de connexion 17 et les seconds points de connexion 21 en regard les uns des autres.In a second step, the display module 19, that is to say the LCD module 20 is fixed on the glass 9. For example, the LCD module 20 is fixed by gluing on the glass 9. This step consists of then to take the ice 9, to put it on a support so that the inner face 9a, on which the LCD module 20 will be fixed, is oriented upwards and to put the LCD module 20 on the glass 9. Once the LCD module 20 in its appropriate position, the bonding operation is performed automatically by a machine. The appropriate position is the position allowing, when the lens 9 is fixed on the caseband 5, to have the first connection points 17 and the second connection points 21 facing each other.

Lors du troisième étape, la glace 9 est fixée à la carrure 5 de la pièce d'horlogerie. Pour cela, la glace 9 portant le module LCD 20 est posée sur la surface d'appui 5a de la carrure 5 selon une position prédéfinie. Une fois la glace 9 dans cette position prédéfinie, celle-ci est définitivement fixée à la carrure 5 par une opération de soudage laser, de brasage ou par tout autre méthode envisageable comme le collage. Bien entendu, un capot peut être placé par-dessus la glace 9 pour cacher la jointure entre ledit glace 9 et la carrure 5.In the third step, the glass 9 is attached to the middle part 5 of the timepiece. For this, the lens 9 carrying the LCD module 20 is placed on the bearing surface 5a of the middle part 5 in a predefined position. Once the ice 9 in this predefined position, it is permanently attached to the middle 5 by a laser welding operation, soldering or by any other method as possible collage. Of course, a hood can be placed over ice 9 to hide the joint between said ice 9 and middle part 5.

Avantageusement selon l'invention, la pièce d'horlogerie est munie de moyens d'alignement 30. Ces moyens d'alignement 30 comprennent des premiers éléments d'alignement 32 et des seconds éléments d'alignement 34. Les premiers éléments d'alignement 32 sont agencés sur la carrure 5 de la pièce d'horlogerie alors que les seconds éléments d'alignement 34 sont agencés sur la glace 9.Advantageously according to the invention, the timepiece is provided with alignment means 30. These alignment means 30 comprise first alignment elements 32 and second alignment elements 34. The first alignment elements 32 are arranged on the middle 5 of the timepiece while the second alignment elements 34 are arranged on the ice 9.

Les premiers éléments d'alignement 32 comprennent au moins deux tenons 33. Ces tenons 33 sont agencés sur la surface d'appui 5a de la carrure 5 et s'étendent perpendiculairement au plan de ladite surface d'appui 5a. Les seconds éléments d'alignement 34 comprennent au moins deux évidements 35 situés au niveau de la glace 9. On comprendra que le nombre d'évidement 35 est identique au nombre de tenons 33. Par conséquent, lors de l'assemblage de la pièce d'horlogerie, la glace 9 sur laquelle le module LCD 20 est fixé, est posée sur la carrure 5 de sorte que les tenons 33 s'insèrent dans les évidements 35 de la glace 9 comme visible à la figure 1. Cela a pour avantage de bloquer les mouvement de la glace 9 par rapport à la carrure 5. Donc, lors de la fixation définitive de la glace 9 sur la carrure 5 lors de la 3eme étape, la position de la glace 9 ne varie pas.The first alignment elements 32 comprise at least two pins 33. These pins 33 are arranged on the bearing surface 5a of the middle part 5 and extend perpendicular to the plane of said bearing surface 5a. The second alignment elements 34 comprise at least two recesses 35 located at the level of the ice 9. It will be understood that the number of recesses 35 is identical to the number of tenons 33. By therefore, during assembly of the timepiece, the lens 9 on which the LCD module 20 is fixed, is placed on the middle part 5 so that the pins 33 fit into the recesses 35 of the ice 9 as visible at the figure 1 . This has the advantage of blocking the movement of the ice 9 relative to the caseband 5. Thus, during the final fixing of the ice 9 on the middle part 5 during the 3rd stage, the position of the ice 9 does not vary.

De manière encore plus avantageuse, l'invention prévoit que les évidements 35 sont réalisés sur la glace 9 après la seconde étape durant laquelle le module LCD 20 est fixé sur la glace 9. La présente invention propose que les évidements sur la glace 9 soient réalisés de sorte à compenser une variation de la position du module LCD 20 par rapport à la glace 9. En effet, il est possible que lors de la fixation du module LCD 20 à la glace 9, les contraintes soient exercées sur le module LCD 20 ayant pour conséquence une variation de la position dudit module LCD 20 par rapport à la glace 9. De même, la position du module électronique 13 par rapport à l'ensemble formé par la carrure 5 et le fond 7 peut varier.Even more advantageously, the invention provides that the recesses 35 are made on the ice 9 after the second step during which the LCD module 20 is fixed on the ice 9. The present invention proposes that the recesses on the ice 9 are made so as to compensate for a variation of the position of the LCD module 20 with respect to the glass 9. Indeed, it is possible that during the fixing of the LCD module 20 to the glass 9, the stresses are exerted on the LCD module 20 having as a consequence a variation of the position of said LCD module 20 with respect to the glass 9. Similarly, the position of the electronic module 13 relative to the assembly formed by the middle 5 and the bottom 7 may vary.

Afin de rattraper cette erreur de position, le procédé d'assemblage prévoit une étape supplémentaire effectuée entre la deuxième étape et la troisième étape. Cette étape consiste alors à faire des mesures optiques et à les comparer.In order to make up for this position error, the assembly method provides for an additional step performed between the second step and the third step. This step then consists of making optical measurements and comparing them.

Plus précisément, une première sous étape consiste à faire réaliser des images optiques de la glace 9 muni du module LCD 20 et de la carrure 5 munie du module électronique 13 c'est-à-dire déterminer la position du module électronique 13 par rapport à la carrure 5. En effet, on constate sur les figures 2 et 3 que les premiers points de connexion 17 et les seconds points de connexion 21 sont agencés de sorte à former une rangée ou ligne. On peut ainsi définir que les premiers points de connexion 17 comprennent un point de connexion A se situant à une première extrémité de la rangée formée par les premiers points de connexion 17 et un point de connexion B se situant à une seconde extrémité de la rangée formée par les premiers points de connexion 17. Cette image permet de définir la position des points de connexion A et B par rapport à une référence. Dans le cas présent, la référence en question est l'axe passant par les deux tenons.More specifically, a first sub-step consists of making optical images of the lens 9 provided with the LCD module 20 and the caseband 5 provided with the electronic module 13, ie determining the position of the electronic module 13 with respect to 5. In fact, we see on the figures 2 and 3 that the first connection points 17 and the second connection points 21 are arranged to form a row or line. It can thus be defined that the first connection points 17 comprise a connection point A located at a first end of the row formed by the first connection points 17 and a point of connection. connection B being located at a second end of the row formed by the first connection points 17. This image makes it possible to define the position of the connection points A and B relative to a reference. In this case, the reference in question is the axis passing through the two pins.

Une seconde sous étape consiste alors à réaliser les évidements sur la glace 9 en fonction des images réalisées. Pour cela, on définit que les seconds points de connexion 21 comprennent un point de connexion X se situant à une première extrémité de la rangée formée par les seconds points de connexion 21 et un point de connexion Y se situant à une seconde extrémité de la rangée. On comprendra que le point de connexion X doit être connecté au point de connexion A et que le point de connexion Y doit être connecté au point de connexion B. On réalise ensuite les évidements sur la glace 9 de sorte que la position des points de connexion X et Y par rapport à l'axe passant par les deux évidements 35 soit la même que la position des points de connexion A et B par rapport l'axe passant par les deux tenons 33.A second sub-step then consists in making the recesses on the ice 9 as a function of the images made. For this, it is defined that the second connection points 21 comprise a connection point X located at a first end of the row formed by the second connection points 21 and a connection point Y at a second end of the row. . It will be understood that the connection point X must be connected to the connection point A and the connection point Y must be connected to the connection point B. The recesses on the ice 9 are then made so that the position of the connection points X and Y with respect to the axis passing through the two recesses 35 is the same as the position of the connection points A and B with respect to the axis passing through the two pins 33.

Par conséquent, lors de l'assemblage de la glace 9 sur la carrure 5 de la pièce d'horlogerie 1, on aura la certitude que les premiers points de connexion 17 et les seconds points de connexion 21 seront parfaitement alignés. Le procédé d'assemblage comprend donc les étapes :

  1. a) se munir d'un module électronique 13 comprenant des premiers points de connexion 17 et le placer dans ledit logement ;
  2. b) se munir d'une glace 9 présentant une face extérieure et une face inférieure sur laquelle un module d'affichage comprenant des seconds points de connexion est fixé, les seconds points de connexion devant coopérer avec les premiers points de connexion ;
  3. c) visant à déterminer la position d'au moins un tenon agencé sur la carrure par rapport aux premiers points de connexions 17;
  4. d) visant à déterminer la position du module d'affichage par rapport à la glace
  5. e) visant à réaliser au moins un évidement sur la glace en fonction de la position dudit au moins un tenon agencé sur la carrure par rapport aux premiers points de connexions 17; et
  6. f) visant à poser la glace 9 sur la carrure 5 en faisant coopérer les premiers moyens d'alignements et les seconds moyens d'alignement et à rendre solidaire ladite glace 9 de ladite carrure 5.
Therefore, during the assembly of the glass 9 on the middle part 5 of the timepiece 1, it will be certain that the first connection points 17 and the second connection points 21 will be perfectly aligned. The assembly process thus comprises the steps:
  1. a) be provided with an electronic module 13 comprising first connection points 17 and place it in said housing;
  2. b) providing a lens 9 having an outer face and a lower face on which a display module comprising second connection points is fixed, the second connection points to cooperate with the first connection points;
  3. c) for determining the position of at least one tenon arranged on the middle part with respect to the first connection points 17;
  4. d) to determine the position of the display module in relation to the ice
  5. e) aiming at making at least one recess on the ice according to the position of said at least one stud arranged on the middle part with respect to the first connection points 17; and
  6. f) for placing the ice-cream 9 on the caseband 5 by making the first aligning means and the second alignment means cooperate and to make said ice-cream 9 integral with said caseband 5.

Bien entendu, dans le cas ou les tenons sont réalisés sur la glace et les évidements sont réalisés sur la carrure, les étapes c), d), e) et f) du procédé sont modifiés en conséquence.Of course, in the case where the tenons are made on the ice and the recesses are made on the middle part, steps c), d), e) and f) of the process are modified accordingly.

De même, il est envisageable que les seconds points de connexion 21 ne soient disposés qu'au niveau d'une seule face de la glace 9.Similarly, it is conceivable that the second connection points 21 are arranged at only one face of the ice 9.

Dans une version préférentielle, le module électronique 13 est placé dans l'ensemble formé de la carrure 5 et du fond avec une précision absolue de sorte que les variations de positions soient impossibles et nulles. Dans ce cas, on constatera que la distance entre le point de connexion A et l'axe passant par les deux tenons 33 est identique à la distance entre le point de connexion B et ledit axe. Par conséquent, les évidements 35 sont percés sur la glace 9 de sorte que la distance entre le point de connexion X et l'axe passant par les deux évidements 35 soit identique à la distance entre le point de connexion Y et ledit axe. Le procédé est donc le suivant :

  1. a) se munir d'un module électronique 13 comprenant des premiers points de connexion 17 et le placer dans ledit logement ;
  2. b) se munir d'une glace 9 présentant une face extérieure et une face inférieure sur laquelle un module d'affichage 19 comprenant des seconds points de connexion 21 est fixé, les seconds points de connexion devant coopérer avec les premiers points de connexion ;
  3. c) déterminer la position du module électronique 13 par rapport à la carrure 5;
  4. d) réaliser au moins un évidement 35 sur la carrure en fonction de la position connue d'au moins un tenon 33 agencé sur la glace 9 par rapport aux seconds points de connexions 17; et
  5. e) poser la glace 9 sur la carrure 5 en faisant coopérer ledit au moins un tenon 33 et ledit au moins un évidement 35 et rendre solidaire ladite glace de ladite carrure.
In a preferred version, the electronic module 13 is placed in the assembly formed of the middle part 5 and the bottom with absolute precision so that the variations of positions are impossible and null. In this case, it will be noted that the distance between the connection point A and the axis passing through the two pins 33 is identical to the distance between the connection point B and said axis. As a result, the recesses 35 are drilled on the ice 9 so that the distance between the connection point X and the axis passing through the two recesses 35 is identical to the distance between the connection point Y and said axis. The process is as follows:
  1. a) be provided with an electronic module 13 comprising first connection points 17 and place it in said housing;
  2. b) providing a lens 9 having an outer face and a lower face on which a display module 19 comprising second connection points 21 is fixed, the second connection points to cooperate with the first connection points;
  3. c) determining the position of the electronic module 13 relative to the middle part 5;
  4. d) making at least one recess 35 on the middle according to the known position of at least one pin 33 arranged on the ice 9 relative to the second connection points 17; and
  5. e) placing the ice 9 on the middle part 5 by cooperating said at least one pin 33 and said at least one recess 35 and make said ice integral said middle.

Cette version préférentielle a l'avantage de présenter un procédé d'assemblage plus rapide et plus flexible. Elle permet de ne pas réaliser l'image du module électronique 13 et de ne faire que l'image de la glace 9. Dans le cas où ces deux images sont faites en parallèles, du temps est gagné et dans le cas où ces deux images sont réalisées successivement, une machine est économisée. Par ailleurs, cette version permet une plus grande flexibilité. Cette flexibilité vient d'une part du fait que dans tous les ensembles formés par la carrure 5 et le fond, la position du module électronique 13 est parfaitement identique. Or, les évidements de chaque glace 9 sont percés de sorte à être compatible avec l'agencement du module électronique 13 par rapport à l'axe passant par les deux tenons 33. En conséquence, chaque glace 9 percée par les deux évidements 35 peut en théorie être associée avec n'importe quel ensemble carrure 5 - fond 7 muni d'un module électronique 13. Au contraire, dans le cas où les évidements 35 de chaque glace 9 sont réalisés pour être compatible qu'avec qu'un semble ensemble carrure 5 - fond muni d'un module électronique 13, il y n'a pas de flexibilité ou d'interchangeabilitéThis preferred version has the advantage of presenting a faster and more flexible assembly process. It makes it possible not to realize the image of the electronic module 13 and to make only the image of the mirror 9. In the case where these two images are made in parallel, time is gained and in the case where these two images are performed successively, a machine is saved. In addition, this version allows greater flexibility. This flexibility comes from the fact that in all the assemblies formed by the middle 5 and the bottom, the position of the electronic module 13 is perfectly identical. However, the recesses of each ice 9 are drilled so as to be compatible with the arrangement of the electronic module 13 relative to the axis passing through the two pins 33. Accordingly, each ice 9 pierced by the two recesses 35 can in theory to be associated with any set of middle 5 - bottom 7 provided with an electronic module 13. On the contrary, in the case where the recesses 35 of each ice 9 are made to be compatible with that one looks together middle size 5 - bottom provided with an electronic module 13, there is no flexibility or interchangeability

Dans une première variante de l'invention, chaque glace 9 est munie d'une paire de portions saillantes comme des oreilles 36 s'étendant chacune depuis un côté ou flan de la glace 9. Dans le cas d'une glace 9 circulaire, les oreilles 36 sont agencées de sorte à être diamétralement opposées. Dans le cas d'une glace 9 parallélépipédique, cette paire d'oreilles 36 est agencée de sorte qu'elles soient situées sur des faces opposées. Par exemple, si la glace 9 est rectangulaire, elle présente ainsi deux faces s'étendant selon la longueur de la glace 9 et deux faces s'étendant selon la largeur de la glace 9. Dans ce cas, les oreilles 36 sont soit placées sur chacune des deux faces s'étendant selon la longueur de la glace 9 ou sur chacune des deux faces s'étendant selon la largeur de la glace 9. Pour des raisons pratiques, les oreilles 36 sont centrées sur les faces de la glace 9 comme visible à la figure 4.In a first variant of the invention, each ice cream 9 is provided with a pair of projecting portions such as ears 36 each extending from one side or side of the glass 9. In the case of a circular ice cream 9, ears 36 are arranged to be diametrically opposed. In the case of parallelepipedic ice cream, this pair ears 36 is arranged so that they are located on opposite sides. For example, if the ice 9 is rectangular, it thus has two faces extending along the length of the ice 9 and two faces extending along the width of the ice 9. In this case, the ears 36 are either placed on each of the two faces extending along the length of the ice 9 or on each of the two faces extending along the width of the ice 9. For practical reasons, the ears 36 are centered on the faces of the ice 9 as visible to the figure 4 .

Ces oreilles 36 sont alors les zones de la glace 9 au niveau desquelles les évidements 35 sont réalisées. Cette variante possède alors l'avantage de présenter une surface de lecture utile plus importante comme visible à la figure 6. En effet, les évidements 35 dans lesquels les tenons 33 s'insèrent doivent, pour des raisons esthétiques, être cachés lors de l'assemblage. Pour cela, un capot vient se fixer sur la glace 9 et cache les zones de la glace 9 présentant lesdits évidements 35. Lorsque les évidements 35 sont situés sur la surface de la glace 9, la mise en place du capot vient diminuer la surface utile S1 de la glace 9. Par contre, avec les oreilles selon la variante de l'invention, les évidements 35 ne sont plus situés sur la surface S2 de la glace 9 à proprement parler. Comme visible à aux figures 5 et 6, on peut voir deux cas dans lesquels la glace 9 possède des oreilles 36 et n'en possède pas. On remarque que pour une glace 9 de même taille, le fait d'avoir des oreilles 36 permet de décaler la position du capot et donc d'avoir une surface utile S2 plus importante que la surface utile S1 pour une glace 9 sans oreilles 36 comme visible à la figure 5.These ears 36 are then the areas of the ice 9 at which the recesses 35 are made. This variant then has the advantage of having a larger useful reading surface as visible in FIG. figure 6 . Indeed, the recesses 35 in which the studs 33 are inserted must, for aesthetic reasons, be hidden during assembly. For this, a cap is fixed on the glass 9 and hides the areas of the ice 9 having said recesses 35. When the recesses 35 are located on the surface of the ice 9, the introduction of the cap reduces the useful area On the other hand, with the ears according to the variant of the invention, the recesses 35 are no longer located on the surface S2 of the ice 9 itself. As visible to Figures 5 and 6 we can see two cases in which the ice 9 has ears 36 and does not have any. Note that for an ice cream 9 of the same size, the fact of having ears 36 makes it possible to shift the position of the hood and thus to have a useful surface area S2 greater than the useful area S1 for an ice cream 9 without ears 36 as visible at the figure 5 .

Dans une seconde variante, les évidement 35 sont traversant. Cette caractéristique a pour avantage de permettre un meilleur maintien de la glace 9 sur la carrure 5. En effet, comme les évidements 35 sont traversant, les tenons 33 sont de tailles plus importantes et offre ainsi un maintien plus important.In a second variant, the recesses 35 are through. This feature has the advantage of allowing a better maintenance of the ice 9 on the middle part 5. In fact, as the recesses 35 are through, the studs 33 are larger in size and thus provides greater support.

Dans une troisième variante, il est envisageable que les évidements 35 ne soient pas identiques. En effet, il est possible que le procédé de fabrication de la carrure 5 et donc des tenons 33 soit tel qu'une variation de la position d'un ou des tenons 33 selon l'axe formé par les deux tenons 33 est possible. Dans l'exemple de la figure 4, il s'agit de l'axe 6h-12h. Avec deux évidements 35 circulaires, le risque existe pour qu'un tenon 33 ne s'insère pas dans son évidement. Afin de résoudre ce problème, les évidements 35 sont agencés de sorte que la glace 9 soit munie d'un évidement 35 centré et d'un évidement 35 aligné c'est à dire que l'un des évidements 35 est circulaire alors que l'autre est oblong comme visible à la figure 4. L'évidement 35 oblong s'étend suivant l'axe formé par les deux évidements 35. Cette configuration a pour avantage de tolérer les variations de positions des tenons 33 puisque lors de l'assemblage, un des tenons 33 s'insère dans l'évidement 35 circulaire permettant de centrer la glace 9. L'évidement 35 oblong permet au second tenon 33 de s'y insérer et ainsi d'aligner la glace 9. Cet alignement de la glace 9 se fait même si l'un des deux tenons 33 n'est pas dans sa position idéale.In a third variant, it is conceivable that the recesses 35 are not identical. Indeed, it is possible that the manufacturing method of the middle 5 and therefore the studs 33 is such that a variation of the position of one or tenons 33 along the axis formed by the two pins 33 is possible. In the example of the figure 4 it is the axis 6h-12h. With two circular recesses, there is a risk that a post 33 does not fit into its recess. In order to solve this problem, the recesses 35 are arranged so that the crystal 9 is provided with a recess 35 centered and a recess 35 aligned, that is to say that one of the recesses 35 is circular whereas the other is oblong as visible at the figure 4 . The oblong recess extends along the axis formed by the two recesses 35. This configuration has the advantage of tolerating the variations in the positions of the studs 33, since during assembly one of the studs 33 is inserted into the recess 35. The oblong recess 35 allows the second pin 33 to be inserted into it and thus aligns the ice 9. This alignment of the ice 9 is done even if one of the two tenons 33 is not in its ideal position.

On comprendra que diverses modifications et/ou améliorations et/ou combinaisons évidentes pour l'homme du métier peuvent être apportées aux différents modes de réalisation de l'invention exposée ci-dessus sans sortir du cadre de l'invention définie par les revendications annexées.It will be understood that various modifications and / or improvements and / or combinations obvious to those skilled in the art can be made to the various embodiments of the invention set out above without departing from the scope of the invention defined by the appended claims.

Bien entendu, il est envisageable que les premiers éléments d'alignement comprennent au moins deux évidements. Ces évidement sont agencés sur la surface d'appui de la carrure 5 et que les seconds éléments d'alignement comprennent au moins deux tenons situés au niveau de la glace 9.Of course, it is conceivable that the first alignment elements comprise at least two recesses. These recesses are arranged on the bearing surface of the middle part 5 and that the second alignment elements comprise at least two studs located at the level of the ice 9.

Claims (9)

  1. Timepiece assembly method including a case (3) formed by a middle part (5) closed by a back cover (7) and by a crystal (9) defining a housing, said method including the following steps:
    a) taking an electronic module (13) including first connection points (17) and placing the electronic module in said housing;
    b) taking a crystal (9) having an external face and a bottom face onto which a display module (19) having second connection points (21) is fixed, the second connection points being required to cooperate with the first connection points;
    characterized in that said method further includes the following steps:
    c) determining the position of at least one stud (33) arranged on the middle part in relation to the first connection points (17);
    d) determining the position of the display module (19) relative to the crystal (9);
    e) forming at least one recess (35) in the crystal according to the position of said at least one stud (33) arranged on the middle part relative to the first connection points (17); and
    f) placing the crystal (9) on the middle part (5) causing said at least one stud (33) to cooperate with said at least one recess (35) and rendering said crystal integral with said middle part.
  2. Timepiece assembly method including a case (3) formed by a middle part (5) closed by a back cover (7) and by a crystal (9) defining a housing, said method including the following steps:
    a) taking an electronic module (13) including first connection points (17) and placing the electronic module in said housing;
    b) taking a crystal (9) having an external face and a bottom face onto which a display module (19) having second connection points (21) is fixed, the second connection points being required to cooperate with the first connection points;
    characterized in that said method further includes the following steps:
    c) determining the position of at least one stud (33) arranged on the crystal (9) in relation to the first connection points (17);
    d) determining the position of the electronic module (13) relative to the middle part;
    e) forming at least one recess (35) in the middle part according to the position of said at least one stud (33) arranged in the crystal relative to the second connection points (17); and
    f) placing the crystal (9) on the middle part (5) causing said at least one stud (33) to cooperate with said at least one recess (35) and rendering said crystal integral with said middle part.
  3. Assembly method according to claim 1, characterized in that step c) for determining the position of at least one stud arranged on the middle part relative to the first connection points (17) consists in making an optical image of the middle part and in measuring the distance of the first connection points relative to said at least one stud (33) acting as a reference.
  4. Assembly method according to claim 2, characterized in that step c) for determining the position of at least one stud arranged on the crystal relative to the second connection points (17) consists in making an optical image of the crystal and in measuring the distance of the second connection points relative to said at least one stud (33) acting as a reference.
  5. Assembly method according to claim 1, characterized in that the step for determining the position of the display module (19) relative to the crystal (9) consists in making an optical image of the crystal.
  6. Assembly method according to claim 2, characterized in that the step for determining the position of the electronic module (13) relative to the middle part (5) consists in making an optical image of the middle part.
  7. Assembly method according to any of claims 1 to 6, characterized in that the number of studs is identical to the number of recesses.
  8. Assembly method according to claim 1, characterized in that the middle part has two studs and the crystal has two recesses.
  9. Assembly method according to claim 2, characterized in that middle part has two recesses and the crystal has two studs.
EP13156763.8A 2013-02-26 2013-02-26 Method for aligning a glass relative to a case middle Active EP2770379B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP13156763.8A EP2770379B1 (en) 2013-02-26 2013-02-26 Method for aligning a glass relative to a case middle
KR1020140022094A KR101536861B1 (en) 2013-02-26 2014-02-25 Method of aligning a crystal relative to the middle part of a timepiece
US14/188,985 US9471041B2 (en) 2013-02-26 2014-02-25 Method of aligning a crystal relative to the middle part of a timepiece
HK14101796.8A HK1192409A2 (en) 2013-02-26 2014-02-25 Timepiece
JP2014034921A JP5914546B2 (en) 2013-02-26 2014-02-26 How to align the transparent cover with the middle part of the watch
CN201420084095.5U CN203838488U (en) 2013-02-26 2014-02-26 Clock
CN201410067057.3A CN104007654B (en) 2013-02-26 2014-02-26 Method for being aligned watch mirror relative to the intermediate member of clock and watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13156763.8A EP2770379B1 (en) 2013-02-26 2013-02-26 Method for aligning a glass relative to a case middle

Publications (2)

Publication Number Publication Date
EP2770379A1 EP2770379A1 (en) 2014-08-27
EP2770379B1 true EP2770379B1 (en) 2019-04-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13156763.8A Active EP2770379B1 (en) 2013-02-26 2013-02-26 Method for aligning a glass relative to a case middle

Country Status (6)

Country Link
US (1) US9471041B2 (en)
EP (1) EP2770379B1 (en)
JP (1) JP5914546B2 (en)
KR (1) KR101536861B1 (en)
CN (2) CN203838488U (en)
HK (1) HK1192409A2 (en)

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EP2770379B1 (en) * 2013-02-26 2019-04-03 ETA SA Manufacture Horlogère Suisse Method for aligning a glass relative to a case middle
USD730347S1 (en) * 2014-01-03 2015-05-26 Samsung Electronics Co., Ltd. Electronic device
JP1525592S (en) * 2014-02-22 2015-06-08
USD745868S1 (en) * 2014-02-22 2015-12-22 Samsung Electronics Co., Ltd. Electronic device
USD751068S1 (en) * 2014-03-07 2016-03-08 Sony Mobile Communications Ab Display portion of watch shaped communications equipment
USD966907S1 (en) * 2021-09-02 2022-10-18 Helen Ouyang Watch

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Also Published As

Publication number Publication date
JP2014163945A (en) 2014-09-08
EP2770379A1 (en) 2014-08-27
HK1192409A2 (en) 2014-08-15
CN104007654B (en) 2018-09-14
KR20140106446A (en) 2014-09-03
CN104007654A (en) 2014-08-27
US9471041B2 (en) 2016-10-18
US20140241135A1 (en) 2014-08-28
CN203838488U (en) 2014-09-17
JP5914546B2 (en) 2016-05-11
KR101536861B1 (en) 2015-07-14

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