EP2482144B1 - Ratchet locking assembly system - Google Patents

Ratchet locking assembly system Download PDF

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Publication number
EP2482144B1
EP2482144B1 EP11195024.2A EP11195024A EP2482144B1 EP 2482144 B1 EP2482144 B1 EP 2482144B1 EP 11195024 A EP11195024 A EP 11195024A EP 2482144 B1 EP2482144 B1 EP 2482144B1
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EP
European Patent Office
Prior art keywords
arm
tenon
mortise
component
ratchet
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
EP11195024.2A
Other languages
German (de)
French (fr)
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EP2482144A1 (en
Inventor
Pierre Cusin
Arthur Queval
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.)
Nivarox Far SA
Nivarox SA
Original Assignee
Nivarox Far SA
Nivarox SA
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Publication date
Application filed by Nivarox Far SA, Nivarox SA filed Critical Nivarox Far SA
Priority to EP11195024.2A priority Critical patent/EP2482144B1/en
Publication of EP2482144A1 publication Critical patent/EP2482144A1/en
Application granted granted Critical
Publication of EP2482144B1 publication Critical patent/EP2482144B1/en
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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
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/02—Devices allowing the motion of a rotatable part in only one direction
    • G04B11/028—Devices allowing the motion of a rotatable part in only one direction with friction member, e.g. click spring
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
    • G04B13/022—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft with parts made of hard material, e.g. silicon, diamond, sapphire, quartz and the like
    • 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
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • 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
    • Y10T29/53613—Spring applier or remover
    • 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
    • Y10T29/53687—Means to assemble or disassemble by rotation of work part
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7047—Radially interposed shim or bushing
    • Y10T403/7061—Resilient

Definitions

  • the invention relates to an assembly system by ratchet locking and, more precisely, to such an assembly system allowing the use of a fragile material, that is to say not comprising a usable plastic domain.
  • the documents FROM 19 22 435 and US 3,667,307 disclose examples of ratchet - ratchet wheel assemblies making it possible to make two elements in movement integral in one direction of rotation and, independent, in the opposite direction.
  • the document US 4,702,122 described at figure 2 a coupling system between a wheel having an internal gear 56 and a spring part 58, integral with an axis, comprising an arm 66 with a tenon 68. The tenon 68 engages in the gear 56 so that the system is united during rotations.
  • the aim of the present invention is to alleviate all or part of the drawbacks mentioned above by proposing a securing system which does not increase the thickness of the respective members and which is applicable to fragile materials.
  • the invention relates to an assembly system according to independent claim 1.
  • the invention therefore advantageously makes it possible to join two elements together in the same plane, that is to say without increasing the thickness of the elements, and without plastic deformation which may, depending on the nature of the materials, be potentially destructive.
  • the invention also relates to a timepiece characterized in that it comprises an assembly system according to claim 1.
  • the invention relates to an assembly system applicable to a fragile material, that is to say not comprising a plastic domain such as a material based on monocrystalline silicon.
  • This assembly system was designed for applications in the watchmaking field.
  • other fields can perfectly be imagined, such as aeronautics, jewelry or the automobile.
  • this assembly system is made necessary by the increasing share held by fragile materials such as those based on silicon, quartz, corundum or more generally ceramic. It is possible, for example, to envisage forming the hairspring, the balance, the anchor, the bridges or even the moving parts such as the escape wheels totally or partially based on fragile materials.
  • the present application proposes a system for assembling a part, which can be integral with an axis, in the opening of a part, which can form a part mounted in rotation, characterized in that it has a securing system between the part and the part comprising at least one ratchet device intended to make the movements of the part and the part integral.
  • said at least one ratchet device comprises an elastic arm forming a ratchet blocking an assembly of the tenon-mortise type in order to avoid relative movements between the part and the part. It will therefore be understood that neither the part nor the part are plastically stressed in order to become integral with one another.
  • the securing system 1 comprises a single ratchet device 11.
  • the ratchet device 11 comprises an arm 13 forming a ratchet which is produced in the part 3.
  • the arm 13 is thus elastically mounted on the part 3 at a first end 12 in order to to form a ratchet as explained below.
  • the arm 13 has at its second free end, a tenon 14 which projects into the substantially central opening 18 of the part 3.
  • the ratchet device 11 also comprises a mortise 16 formed in part 5 and intended to cooperate with the tenon 14 of the arm 13 in order to secure the part 3 with the part 5.
  • part 5 has a recess 15 which widens as it moves away from the mortise 16 and which is intended to form a cam 17 for the tenon 14.
  • the ratchet device 11 of the securing system 1 between the part 3 and the part 5 is activated as explained below.
  • part 3 and part 5 are made.
  • the manufacturing steps of part 3 and part 5 do not have to be consecutive and can even be carried out at the same time.
  • part 5 is introduced into opening 18 of part 3 so that tenon 14 slides laterally in the recess 15 of part 5 as shown in figure 1 .
  • a relative rotational movement of part 5 with respect to part 3 is then printed in order to slide the tenon 14 against the cam 17 in order to progressively separate the tenon 14 from the part 5.
  • the relative movement is continued until the tenon 14 rocks in the mortise 16 in order to elastically block the tenon 14 - mortise 16 assembly by the arm 13 forming the pawl as illustrated in figure 2 .
  • the tenon 14 of part 3 is made integral in movement with the mortise 16 of part 5, that is to say whatever the movement, under the stress induced by the elastic return of the arm 13 forming pawl.
  • An assembly system 19 is thus obtained, the securing system 1 of which does not require an increase in the thickness of the members, that is to say of the part 3 and of the part 5, and which is particularly applicable to fragile materials.
  • the securing system 1 can include several ratchet devices 11 mounted around the opening 18 of the part 3.
  • the part 3 can form all or part of a hairspring, a balance, an anchor, a bridge or even a mobile like an escape wheel.
  • part 5 can be secured to an axis, a pin or more generally to any element in one piece, that is to say in a single piece or using several pieces.
  • the securing system 21 between the part 23 and the part 25 comprises three ratchet devices 31.
  • Each ratchet device 31 comprises an arm 33 forming a pawl which is produced in the part 23.
  • the arm 33 is thus elastically mounted on the part 23 at a first end 32 to form a pawl as explained below.
  • the arm 33 comprises at its second free end 27, a mortise 36 which projects into the substantially central opening 38 of the part 23.
  • Each ratchet device 31 also includes a tenon 34 formed in part 25 and intended to cooperate with the mortise 36 of an arm 33 to secure the part 23 with the part 25.
  • the part 23 has a recess 35 which faces each free end 27 of an arm 33 comprising a mortise 36 and which is intended to form a clearance necessary for the elastic movement of said arm.
  • the part 23 comprises, for each ratchet device 31, a stop 40 intended to center the part 25 in the opening 38.
  • the ratchet device 31 of the securing system 21 between the part 23 and the part 25 is activated as explained below.
  • part 23 and part 25 are made.
  • the steps in the manufacture of part 23 and part 25 do not have to be consecutive and can even be carried out at the same time.
  • part 25 is introduced into opening 38 of part 23 so that tenon 34 slides substantially against stop 40 of part 23 as illustrated in figure 1 .
  • a relative rotational movement of part 25 relative to part 23 is then imparted in order to slide against arm 33, tenon 34 in order to gradually move the free end 27 of arm 33 aside. of part 25. It is understood, during this relative movement, that the free end 27 of the arm 33 comprising the mortise 36 is therefore progressively moved towards the recess 35.
  • the relative movement is continued until the mortise 36 tilts. by covering the tenon 34 in order to elastically block the tenon 34 - mortise 36 assembly by the arm 33 forming the pawl as illustrated in figure 4 .
  • the tenon 34 of part 25 is made integral in movement with the mortise 36 of the part 23, that is to say whatever the movement, under the stress induced by the elastic return of the arm 33 forming pawl.
  • An assembly system 39 is thus obtained, the connection system 21 of which does not require the increase in the thickness of the members, that is to say of the part 23 and of the part 25, and which is applicable in particular to fragile materials.
  • the securing system 21 can include more or less ratchet devices 31 mounted around the opening 38 of the part 23.
  • the part 23 can form all or part of a hairspring, a balance. , an anchor, a bridge or even a mobile like an escape wheel.
  • part 25 can be secured to an axis, a pin or more generally to any element in one piece, that is to say in a single piece or using several elements.
  • the securing system 41 between the part 43 and the part 45 comprises three ratchet devices 51.
  • Each ratchet device 51 comprises an arm 53 forming a pawl which is produced in the part 43.
  • the arm 53 is thus elastically mounted on the part 43 at a first end 52 to form a pawl as explained below.
  • the arm 53 comprises at its second free end, a bead 47 intended to form a wall of the mortise 56 which projects into the substantially central opening 58 of the part 43.
  • the part 43 comprises, for each device ratchet 51, a stopper 60 intended to center the part 45 in the opening 58 but also to form the rest of the mortise 56 in cooperation with the bead 47.
  • Each ratchet device 51 also comprises a tenon 54 formed in part 45 and intended to cooperate with the mortise 56 formed by the stop 60 and the bead 47 to secure the part 43 with the part 45.
  • the part 43 has a recess 55 which faces each bead 47 of an arm 53 and which is intended to form a clearance necessary for the elastic movement of said arm.
  • the ratchet device 51 of the securing system 41 between the part 43 and the part 45 is activated as explained below.
  • part 43 and part 45 are made.
  • the stages of manufacture of part 43 and part 45 do not have to be consecutive and can even be carried out at the same time.
  • part 45 is introduced into opening 58 of part 53 as shown in figure 1 .
  • a relative rotational movement of the part 45 relative to the part 43 is then printed in order to slide against the arm 53, the upper part of the tenon 54 in order to progressively separate the bead 47 from the arm. 53 of part 45.
  • the bead 47 of the arm 53 is therefore moved progressively towards the recess 55.
  • the relative movement is continued until the bead 47 tilts, blocking the tenon laterally. 54 in order to elastically trap the tenon 54 between the stop 60 - bead 47 assembly forming the mortise 56 by the arm 53 forming the pawl as illustrated in figure 6 .
  • the tenon 54 of the part 45 is made integral in movement with the mortise 56 of the part 53, that is to say whatever the movement, under the stress induced by the elastic return of the arm 53 forming pawl.
  • An assembly system 59 is thus obtained, the securing system 41 of which does not require the increase in the thickness of the members, that is to say of the part 43 and of the part 45, and which is particularly applicable. to fragile materials.
  • the securing system 41 can include more or less ratchet devices 51 mounted around the opening 58 of the part 43.
  • the part 43 can form all or part of a hairspring, a balance. , an anchor, a bridge or even a mobile like an escape wheel.
  • part 45 can be secured to an axis, a pin or more generally to any element in one piece, that is to say in a single piece or using several elements.
  • FIG. 1 The three embodiments presented to figures 1 to 6 all have in common that they present an arm 13, 33, 53 resiliently mounted on the part 3, 23, 43. It is obvious that the invention cannot be limited to a such characteristic.
  • the figures 8 and 9 show variants of the last two embodiments above in which the arms 33 ', 53' are elastically mounted on the part 25 ', 45'.
  • the figure 7 for its part, corresponds to an example which does not form part of the invention and shows the arm 13 'which is elastically mounted on the part 5'.
  • the securing system 1 ' comprises at least one ratchet device 11' which comprises an arm 13 'resiliently mounted on part 5' at a first end 12 'in order to form a ratchet.
  • the arm 13 ' has at its second free end, a tenon 14'.
  • the ratchet device 11 ' also comprises a mortise 16' formed in the part 3 'and intended to cooperate with the tenon 14' of the arm 13 'to secure the part 3' with the part 5 'in the opposite manner to the first embodiment. .
  • the part 5 ' is introduced into the opening 18' of the part 3 'so that the tenon 14' slides laterally in the recess 15 'of the part 3'.
  • a relative rotational movement of the part 5 'relative to the part 3' is then printed in order to slide the tenon 14 'against the cam 17' in order to progressively move the tenon 14 'apart. compared to part 3 '.
  • the relative movement is continued until the tenon 14 'swings into the mortise 16' in order to elastically block the tenon 14 '- mortise 16' assembly by the arm 13 'forming the pawl as illustrated in figure 7 .
  • figure 7 therefore forms an assembly system 19 'whose tenon 14' of part 5 'is integral in movement with the mortise 16' of part 3 ', that is to say whatever the movement, under stress induced by the elastic return of the arm 13 'forming a pawl with the same advantages, applications or alternatives explained for the first embodiment.
  • the securing system 21 ' comprises at least one ratchet device 31' which comprises an arm 33 'resiliently mounted on part 25' at a first end 32 'in order to form a pawl.
  • the 33 'arm comprises at its second free end 27 ', a mortise 36'.
  • the device ratchet 31 ' also comprises a tenon 34' formed in the part 23 'and intended to cooperate with the mortise 36' of the arm 33 'to secure the part 23' with the part 25 'in the opposite manner to the second embodiment.
  • the part 25 ' comprises, for each ratchet device 31', a stop 40 'intended to center the part 25' in the opening 38 '.
  • the part 25 ' is introduced into the opening 38' of the part 23 '.
  • a relative rotational movement of the part 25 'relative to the part 23' is then printed in order to slide against the arm 33 ', the tenon 34' in order to progressively move the free end away. 27 'relative to the part 23' by gradually bringing it closer to the recess 35 '.
  • the relative movement is continued until the mortise 36 'tilts, covering the tenon 34' in order to elastically block the tenon 34 '- mortise 36' assembly by the arm 33 'forming a pawl as illustrated in figure 8 .
  • the variant of the figure 8 therefore forms an assembly system 39 'of which the tenon 34' of the part 23 'is made integral in movement of the mortise 36' of the part 25 ', that is to say whatever the movement, under the stress induced by the elastic return of the arm 33 'forming a pawl with the same advantages, applications or alternatives explained for the second embodiment.
  • the securing system 41 'between the part 43' and the part 45 ' comprises at least one ratchet device 51' which comprises an arm 53 'elastically mounted on the part 45' at a first end 52 'in order to form a pawl .
  • the arm 53 ' comprises at its second free end, a bead 47' intended to form a wall of the mortise 56 'with a stop 60' formed in the part 45 '.
  • the stop 60 ′ is also intended to center the part 45 ′ in the opening 58 ′.
  • the ratchet device 51 ' also comprises a tenon 54' formed in the part 43 'and intended to cooperate with the mortise 56' formed by the stop 60 ′ and the bead 47 ′ for securing the part 43 ′ with the part 45 ′ inversely to the third embodiment.
  • the part 45 ' has a recess 55' which faces the bead 47 'of the arm 53' in order to form a clearance necessary for the elastic movement of said arm.
  • the part 45 ' is introduced into the opening 58' of the part 53 '.
  • a relative rotational movement of part 45 'relative to part 43' is then printed in order to slide against arm 53 ', the upper part of tenon 54' in order to progressively move the bead 47 'relative to part 43' by gradually bringing it closer to the recess 55 '.
  • the relative movement is continued until the bead 47 'rocks, blocking the tenon 54' laterally in order to elastically trap the tenon 54 'between the stop 60' - bead 47 'assembly forming the mortise 56' by the arm 53 'forming a ratchet as shown in figure 9 .
  • the variant of the figure 9 therefore forms an assembly system 59 'whose tenon 54' of part 43 'is made integral in movement with mortise 56' of part 55 ', that is to say whatever the movement, under the stress induced by the elastic return of the arm 53 'forming a pawl with the same advantages, applications or alternatives explained for the third embodiment
  • part 3, 3 ', 23, 23', 43, 43 'and / or part 5, 5 ', 25, 25', 45, 45 ' can be formed by a process of the LIGA type, that is to say a photolithography of a mold followed by the filling of the mold by electroplating, or by a process of the photolithography type of 'a mask followed by an engraving following the openings of the mask.
  • part 3, 3 ', 23, 23', 43, 43 'and / or part 5, 5', 25, 25 ', 45, 45' can be formed from a lot of materials.
  • materials such as, for example, a metal, a metal alloy, based on a non-metallic material or even based on any oxide, nitride or carbide.
  • the part 3, 3 ', 23, 23', 43, 43 'and / or the part 5, 5', 25, 25 ', 45, 45' comprise at least two levels with distinct patterns to add functions such as, for example, a shoulder intended to axially block the assembly system 19, 19 ', 39, 39', 59, 59 '.
  • the assembly systems 19, 19 ', 39, 39', 59, 59 ' can be of dimensions or shapes different in particular at the level of the arm 13, 13 ', 33, 33', 53, 53 ', of the tenon 14, 14', 34, 34 ', 54, 54' and / or of the mortise 16, 16 ', 36, 36 ', 56, 56' without departing from the scope of the present invention.

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  • General Physics & Mathematics (AREA)
  • Connection Of Plates (AREA)
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  • Insertion Pins And Rivets (AREA)

Description

Domaine de l'inventionField of the invention

L'invention se rapporte à un système d'assemblage par blocage à cliquet et, plus précisément, un tel système d'assemblage autorisant l'utilisation de matériau fragile, c'est-à-dire ne comportant de domaine plastique utilisable.The invention relates to an assembly system by ratchet locking and, more precisely, to such an assembly system allowing the use of a fragile material, that is to say not comprising a usable plastic domain.

Arrière plan de l'inventionBackground of the invention

Les assemblages actuels comportant une pièce de matériau fragile comme du silicium sont généralement solidarisés par collage. Une telle opération nécessite une extrême finesse d'application ce qui la rend coûteuse.Current assemblies comprising a piece of fragile material such as silicon are generally secured by bonding. Such an operation requires extreme finesse of application, which makes it expensive.

Les documents DE 19 22 435 et US 3 667 307 divulguent des exemples d'ensembles cliquet - roue à rochet permettant de rendre solidaires en mouvement deux éléments dans un sens de rotation et, indépendants, dans le sens inverse. Le document US 4 702 122 décrit à la figure 2 un système de couplage entre une roue ayant un engrenage interne 56 et une partie ressort 58, solidaire d'un axe, comprenant un bras 66 avec un tenon 68. Le tenon 68 s'engage dans l'engrenage 56 de telle manière que le système soit solidaire pendant les rotations.The documents FROM 19 22 435 and US 3,667,307 disclose examples of ratchet - ratchet wheel assemblies making it possible to make two elements in movement integral in one direction of rotation and, independent, in the opposite direction. The document US 4,702,122 described at figure 2 a coupling system between a wheel having an internal gear 56 and a spring part 58, integral with an axis, comprising an arm 66 with a tenon 68. The tenon 68 engages in the gear 56 so that the system is united during rotations.

Résumé de l'inventionSummary of the invention

Le but de la présente invention est de pallier tout ou partie les inconvénients cités précédemment en proposant un système de solidarisation n'augmentant pas l'épaisseur des organes respectifs et étant applicable à des matériaux fragiles.The aim of the present invention is to alleviate all or part of the drawbacks mentioned above by proposing a securing system which does not increase the thickness of the respective members and which is applicable to fragile materials.

A cet effet, l'invention se rapporte à un système d'assemblage selon la revendication indépendante 1.To this end, the invention relates to an assembly system according to independent claim 1.

L'invention permet donc avantageusement de solidariser deux éléments dans le même plan, c'est-à-dire sans augmentation de l'épaisseur des éléments, et sans déformation plastique pouvant être, selon la nature des matériaux, potentiellement destructive.The invention therefore advantageously makes it possible to join two elements together in the same plane, that is to say without increasing the thickness of the elements, and without plastic deformation which may, depending on the nature of the materials, be potentially destructive.

L'invention se rapporte également à une pièce d'horlogerie caractérisée en ce qu'elle comporte un système d'assemblage selon la revendication 1.The invention also relates to a timepiece characterized in that it comprises an assembly system according to claim 1.

Description sommaire des dessinsBrief description of the drawings

D'autres particularités et avantages ressortiront clairement de la description qui en est faite ci-après, en référence aux dessins annexés, dans lesquels :

  • les figures 1 et 2 sont des représentations d'un premier mode de réalisation d'un dispositif à cliquet selon l'invention ;
  • les figures 3 et 4 sont des représentations d'un deuxième mode de réalisation d'un dispositif à cliquet selon l'invention ;
  • les figures 5 et 6 sont des représentations d'un troisième mode de réalisation d'un dispositif à cliquet selon l'invention ;
  • la figure 7 est une représentation d'un exemple d'un dispositif à cliquet qui ne fait pas partie de l'invention;
  • les figures 8 et 9 sont des représentations partielles de variantes des deux derniers modes de réalisation d'un dispositif à cliquet selon l'invention.
Other features and advantages will emerge clearly from the description which is given hereinafter, with reference to the accompanying drawings, in which:
  • the figures 1 and 2 are representations of a first embodiment of a ratchet device according to the invention;
  • the figures 3 and 4 are representations of a second embodiment of a ratchet device according to the invention;
  • the figures 5 and 6 are representations of a third embodiment of a ratchet device according to the invention;
  • the figure 7 is a representation of an example of a ratchet device which does not form part of the invention;
  • the figures 8 and 9 are partial representations of variants of the last two embodiments of a ratchet device according to the invention.

Description détaillée des modes de réalisation préférésDetailed description of the preferred embodiments

Comme expliqué ci-dessus, l'invention se rapporte à un système d'assemblage applicable à un matériau fragile, c'est-à-dire ne comportant pas de domaine plastique comme un matériau à base de silicium monocristallin. Ce système d'assemblage a été imaginé pour des applications dans le domaine horloger. Toutefois, d'autres domaines peuvent parfaitement être imaginés comme notamment l'aéronautique, la bijouterie ou l'automobile.As explained above, the invention relates to an assembly system applicable to a fragile material, that is to say not comprising a plastic domain such as a material based on monocrystalline silicon. This assembly system was designed for applications in the watchmaking field. However, other fields can perfectly be imagined, such as aeronautics, jewelry or the automobile.

Dans le domaine horloger, ce système d'assemblage est rendu nécessaire par la part croissante que tiennent les matériaux fragiles comme ceux à base de silicium, de quartz, de corindon ou plus généralement de céramique. On peut, à titre d'exemple, envisager de former le spiral, le balancier, l'ancre, les ponts ou même les mobiles comme les roues d'échappement totalement ou partiellement à base de matériaux fragiles.In the watchmaking field, this assembly system is made necessary by the increasing share held by fragile materials such as those based on silicon, quartz, corundum or more generally ceramic. It is possible, for example, to envisage forming the hairspring, the balance, the anchor, the bridges or even the moving parts such as the escape wheels totally or partially based on fragile materials.

Toutefois, le fait de toujours pouvoir utiliser des axes habituels en acier dont la fabrication est maîtrisée, est une contrainte qui est difficile à concilier avec l'utilisation de pièces ne comportant pas de domaine plastique. En effet, lors de tests effectués, le chassage d'un axe en acier est impossible et brise systématiquement les pièces fragiles, c'est-à-dire ne comportant pas de domaine plastique. Par exemple, il est apparu que le cisaillement généré par l'entrée de l'axe métallique dans l'ouverture d'une pièce en silicium brise systématique cette dernière.However, the fact of always being able to use the usual steel shafts, the manufacture of which is controlled, is a constraint which is difficult to reconcile with the use of parts not comprising a plastic domain. In fact, during tests carried out, driving out a steel pin is impossible and systematically breaks fragile parts, that is to say that do not include a plastic domain. For example, it appeared that the shear generated by the entry of the metal shaft into the opening of a silicon part systematically breaks the latter.

C'est pourquoi, la présente demande propose un système d'assemblage d'une partie, pouvant être solidaire d'un axe, dans l'ouverture d'une pièce, pouvant former une pièce montée en rotation, caractérisé en ce qu'il comporte un système de solidarisation entre la pièce et la partie comportant au moins un dispositif à cliquet destiné à rendre solidaires les mouvements de la pièce et de la partie.This is why the present application proposes a system for assembling a part, which can be integral with an axis, in the opening of a part, which can form a part mounted in rotation, characterized in that it has a securing system between the part and the part comprising at least one ratchet device intended to make the movements of the part and the part integral.

Préférentiellement, ledit au moins un dispositif à cliquet comporte un bras élastique formant cliquet bloquant un ensemble du type tenon - mortaise afin d'éviter les mouvements relatifs entre la pièce et la partie. On comprend donc que ni la pièce ni la partie ne sont sollicitées plastiquement pour se solidariser l'une par rapport à l'autre.Preferably, said at least one ratchet device comprises an elastic arm forming a ratchet blocking an assembly of the tenon-mortise type in order to avoid relative movements between the part and the part. It will therefore be understood that neither the part nor the part are plastically stressed in order to become integral with one another.

Le système de solidarisation entre la pièce et la partie sera mieux compris à l'aide des figures 1 à 9 présentant des modes de réalisation et des variantes non exhaustives selon l'invention. Selon un premier mode de réalisation illustré aux figures 1 et 2, le système de solidarisation 1 comporte un unique dispositif à cliquet 11. Le dispositif à cliquet 11 comporte un bras 13 formant cliquet qui est réalisé dans la pièce 3. Le bras 13 est ainsi monté élastiquement sur la pièce 3 à une première extrémité 12 afin de former un cliquet comme expliqué ci-dessous. Enfin, le bras 13 comporte à sa deuxième extrémité libre, un tenon 14 qui fait saillie dans l'ouverture 18 sensiblement centrale de la pièce 3.The securing system between the part and the part will be better understood using the figures 1 to 9 presenting embodiments and non-exhaustive variants according to the invention. According to a first embodiment illustrated in figures 1 and 2 , the securing system 1 comprises a single ratchet device 11. The ratchet device 11 comprises an arm 13 forming a ratchet which is produced in the part 3. The arm 13 is thus elastically mounted on the part 3 at a first end 12 in order to to form a ratchet as explained below. Finally, the arm 13 has at its second free end, a tenon 14 which projects into the substantially central opening 18 of the part 3.

Le dispositif à cliquet 11 comporte également une mortaise 16 formée dans la partie 5 et destinée à coopérer avec le tenon 14 du bras 13 pour solidariser la pièce 3 avec la partie 5. A la figure 1, on peut également voir que la partie 5 présente un évidement 15 qui s'évase au fur et à mesure qu'il s'éloigne de la mortaise 16 et qui est destiné à former une came 17 pour le tenon 14.The ratchet device 11 also comprises a mortise 16 formed in part 5 and intended to cooperate with the tenon 14 of the arm 13 in order to secure the part 3 with the part 5. At the figure 1 , it can also be seen that part 5 has a recess 15 which widens as it moves away from the mortise 16 and which is intended to form a cam 17 for the tenon 14.

Le dispositif à cliquet 11 du système de solidarisation 1 entre la pièce 3 et la partie 5 est activé comme expliqué ci-dessous. Tout d'abord, la pièce 3 et la partie 5 sont fabriquées. Les étapes de fabrication des pièce 3 et partie 5 n'ont pas de consécutivité à respecter et peuvent même être réalisées en même temps.The ratchet device 11 of the securing system 1 between the part 3 and the part 5 is activated as explained below. First, part 3 and part 5 are made. The manufacturing steps of part 3 and part 5 do not have to be consecutive and can even be carried out at the same time.

Dans un premier temps, la partie 5 est introduite dans l'ouverture 18 de la pièce 3 de manière à ce que le tenon 14 glisse latéralement dans l'évidement 15 de la partie 5 comme illustré à la figure 1. Dans un deuxième temps, un déplacement relatif en rotation de la partie 5 par rapport à la pièce 3 est ensuite imprimé afin de faire glisser le tenon 14 contre la came 17 dans le but d'écarter progressivement le tenon 14 de la partie 5. Le déplacement relatif est poursuivi jusqu'à ce que le tenon 14 bascule dans la mortaise 16 afin de bloquer élastiquement l'ensemble tenon 14 - mortaise 16 par le bras 13 formant cliquet comme illustré à la figure 2.First, part 5 is introduced into opening 18 of part 3 so that tenon 14 slides laterally in the recess 15 of part 5 as shown in figure 1 . Secondly, a relative rotational movement of part 5 with respect to part 3 is then printed in order to slide the tenon 14 against the cam 17 in order to progressively separate the tenon 14 from the part 5. The relative movement is continued until the tenon 14 rocks in the mortise 16 in order to elastically block the tenon 14 - mortise 16 assembly by the arm 13 forming the pawl as illustrated in figure 2 .

On comprend donc que le tenon 14 de la pièce 3 est rendu solidaire en mouvement de la mortaise 16 de la partie 5, c'est-à-dire quel que soit le mouvement, sous la contrainte induite par le retour élastique du bras 13 formant cliquet. On obtient ainsi un système d'assemblage 19 dont le système de solidarisation 1 ne nécessite pas l'augmentation de l'épaisseur des organes, c'est-à-dire de la pièce 3 et de la partie 5, et qui est applicable notamment à des matériaux fragiles.It is therefore understood that the tenon 14 of part 3 is made integral in movement with the mortise 16 of part 5, that is to say whatever the movement, under the stress induced by the elastic return of the arm 13 forming pawl. An assembly system 19 is thus obtained, the securing system 1 of which does not require an increase in the thickness of the members, that is to say of the part 3 and of the part 5, and which is particularly applicable to fragile materials.

Bien entendu, le système de solidarisation 1 peut comporter plusieurs dispositifs à cliquet 11 montés autour de l'ouverture 18 de la pièce 3. De même, la pièce 3 peut former tout ou partie d'un spiral, d'un balancier, d'une ancre, d'un pont ou même d'un mobile comme une roue d'échappement. De manière similaire, la partie 5 peut être solidarisée à un axe, une goupille ou plus généralement à un élément quelconque en une seule pièce, c'est-à-dire de manière monobloc ou à l'aide de plusieurs pièces.Of course, the securing system 1 can include several ratchet devices 11 mounted around the opening 18 of the part 3. Similarly, the part 3 can form all or part of a hairspring, a balance, an anchor, a bridge or even a mobile like an escape wheel. Similarly, part 5 can be secured to an axis, a pin or more generally to any element in one piece, that is to say in a single piece or using several pieces.

Selon un deuxième mode de réalisation illustré aux figures 3 et 4, le système de solidarisation 21 entre la pièce 23 et la partie 25 comporte trois dispositifs à cliquet 31. Chaque dispositif à cliquet 31 comporte un bras 33 formant cliquet qui est réalisé dans la pièce 23. Le bras 33 est ainsi monté élastiquement sur la pièce 23 à une première extrémité 32 afin de former un cliquet comme expliqué ci-dessous. Enfin, le bras 33 comporte à sa deuxième extrémité libre 27, une mortaise 36 qui fait saillie dans l'ouverture 38 sensiblement centrale de la pièce 23.According to a second embodiment illustrated in figures 3 and 4 , the securing system 21 between the part 23 and the part 25 comprises three ratchet devices 31. Each ratchet device 31 comprises an arm 33 forming a pawl which is produced in the part 23. The arm 33 is thus elastically mounted on the part 23 at a first end 32 to form a pawl as explained below. Finally, the arm 33 comprises at its second free end 27, a mortise 36 which projects into the substantially central opening 38 of the part 23.

Chaque dispositif à cliquet 31 comporte également un tenon 34 formé dans la partie 25 et destiné à coopérer avec la mortaise 36 d'un bras 33 pour solidariser la pièce 23 avec la partie 25. A la figure 3, on peut également voir que la pièce 23 présente un évidement 35 qui fait face à chaque extrémité libre 27 d'un bras 33 comportant une mortaise 36 et qui est destiné à former un jeu nécessaire au déplacement élastique dudit bras. Enfin, la pièce 23 comporte, pour chaque dispositif à cliquet 31, une butée 40 destinée à centrer la partie 25 dans l'ouverture 38.Each ratchet device 31 also includes a tenon 34 formed in part 25 and intended to cooperate with the mortise 36 of an arm 33 to secure the part 23 with the part 25. At the same time figure 3 , it can also be seen that the part 23 has a recess 35 which faces each free end 27 of an arm 33 comprising a mortise 36 and which is intended to form a clearance necessary for the elastic movement of said arm. Finally, the part 23 comprises, for each ratchet device 31, a stop 40 intended to center the part 25 in the opening 38.

Le dispositif à cliquet 31 du système de solidarisation 21 entre la pièce 23 et la partie 25 est activé comme expliqué ci-dessous. Tout d'abord, la pièce 23 et la partie 25 sont fabriquées. Les étapes de fabrication des pièce 23 et partie 25 n'ont pas de consécutivité à respecter et peuvent même être réalisées en même temps.The ratchet device 31 of the securing system 21 between the part 23 and the part 25 is activated as explained below. First, part 23 and part 25 are made. The steps in the manufacture of part 23 and part 25 do not have to be consecutive and can even be carried out at the same time.

Dans un premier temps, la partie 25 est introduite dans l'ouverture 38 de la pièce 23 de manière à ce que le tenon 34 glisse sensiblement contre la butée 40 de la pièce 23 comme illustré à la figure 1. Dans un deuxième temps, un déplacement relatif en rotation de la partie 25 par rapport à la pièce 23 est ensuite imprimé afin de faire glisser contre le bras 33, le tenon 34 dans le but d'écarter progressivement l'extrémité libre 27 du bras 33 de la partie 25. On comprend, pendant ce déplacement relatif, que l'extrémité libre 27 du bras 33 comportant la mortaise 36 est donc déplacé progressivement vers l'évidement 35. Le déplacement relatif est poursuivi jusqu'à ce que la mortaise 36 bascule en recouvrant le tenon 34 afin de bloquer élastiquement l'ensemble tenon 34 - mortaise 36 par le bras 33 formant cliquet comme illustré à la figure 4.Firstly, part 25 is introduced into opening 38 of part 23 so that tenon 34 slides substantially against stop 40 of part 23 as illustrated in figure 1 . Secondly, a relative rotational movement of part 25 relative to part 23 is then imparted in order to slide against arm 33, tenon 34 in order to gradually move the free end 27 of arm 33 aside. of part 25. It is understood, during this relative movement, that the free end 27 of the arm 33 comprising the mortise 36 is therefore progressively moved towards the recess 35. The relative movement is continued until the mortise 36 tilts. by covering the tenon 34 in order to elastically block the tenon 34 - mortise 36 assembly by the arm 33 forming the pawl as illustrated in figure 4 .

On comprend donc que le tenon 34 de la partie 25 est rendu solidaire en mouvement de la mortaise 36 de la pièce 23, c'est-à-dire quel que soit le mouvement, sous la contrainte induite par le retour élastique du bras 33 formant cliquet. On obtient ainsi un système d'assemblage 39 dont le système de solidarisation 21 ne nécessite pas l'augmentation de l'épaisseur des organes, c'est-à-dire de la pièce 23 et de la partie 25, et qui est applicable notamment à des matériaux fragiles.It is therefore understood that the tenon 34 of part 25 is made integral in movement with the mortise 36 of the part 23, that is to say whatever the movement, under the stress induced by the elastic return of the arm 33 forming pawl. An assembly system 39 is thus obtained, the connection system 21 of which does not require the increase in the thickness of the members, that is to say of the part 23 and of the part 25, and which is applicable in particular to fragile materials.

Bien entendu, le système de solidarisation 21 peut comporter plus ou moins de dispositifs à cliquet 31 montés autour de l'ouverture 38 de la pièce 23. De même, la pièce 23 peut former tout ou partie d'un spiral, d'un balancier, d'une ancre, d'un pont ou même d'un mobile comme une roue d'échappement. De manière similaire, la partie 25 peut être solidarisée à un axe, une goupille ou plus généralement à un élément quelconque en une seule pièce, c'est-à-dire de manière monobloc ou à l'aide de plusieurs éléments.Of course, the securing system 21 can include more or less ratchet devices 31 mounted around the opening 38 of the part 23. Similarly, the part 23 can form all or part of a hairspring, a balance. , an anchor, a bridge or even a mobile like an escape wheel. Similarly, part 25 can be secured to an axis, a pin or more generally to any element in one piece, that is to say in a single piece or using several elements.

Selon un troisième mode de réalisation illustré aux figures 5 et 6, le système de solidarisation 41 entre la pièce 43 et la partie 45 comporte trois dispositifs à cliquet 51. Chaque dispositif à cliquet 51 comporte un bras 53 formant cliquet qui est réalisé dans la pièce 43. Le bras 53 est ainsi monté élastiquement sur la pièce 43 à une première extrémité 52 afin de former un cliquet comme expliqué ci-dessous. Enfin, le bras 53 comporte à sa deuxième extrémité libre, un bourrelet 47 destiné à former une paroi de la mortaise 56 qui fait saillie dans l'ouverture 58 sensiblement centrale de la pièce 43. De plus, la pièce 43 comporte, pour chaque dispositif à cliquet 51, une butée 60 destinée à centrer la partie 45 dans l'ouverture 58 mais également à former le reste de la mortaise 56 en coopération avec le bourrelet 47.According to a third embodiment illustrated in figures 5 and 6 , the securing system 41 between the part 43 and the part 45 comprises three ratchet devices 51. Each ratchet device 51 comprises an arm 53 forming a pawl which is produced in the part 43. The arm 53 is thus elastically mounted on the part 43 at a first end 52 to form a pawl as explained below. Finally, the arm 53 comprises at its second free end, a bead 47 intended to form a wall of the mortise 56 which projects into the substantially central opening 58 of the part 43. In addition, the part 43 comprises, for each device ratchet 51, a stopper 60 intended to center the part 45 in the opening 58 but also to form the rest of the mortise 56 in cooperation with the bead 47.

Chaque dispositif à cliquet 51 comporte également un tenon 54 formé dans la partie 45 et destiné à coopérer avec la mortaise 56 formée par la butée 60 et le bourrelet 47 pour solidariser la pièce 43 avec la partie 45. A la figure 5, on peut également voir que la pièce 43 présente un évidement 55 qui fait face à chaque bourrelet 47 d'un bras 53 et qui est destiné à former un jeu nécessaire au déplacement élastique dudit bras.Each ratchet device 51 also comprises a tenon 54 formed in part 45 and intended to cooperate with the mortise 56 formed by the stop 60 and the bead 47 to secure the part 43 with the part 45. At the same time figure 5 , it can also be seen that the part 43 has a recess 55 which faces each bead 47 of an arm 53 and which is intended to form a clearance necessary for the elastic movement of said arm.

Le dispositif à cliquet 51 du système de solidarisation 41 entre la pièce 43 et la partie 45 est activé comme expliqué ci-dessous. Tout d'abord, la pièce 43 et la partie 45 sont fabriquées. Les étapes de fabrication des pièce 43 et partie 45 n'ont pas de consécutivité à respecter et peuvent même être réalisées en même temps.The ratchet device 51 of the securing system 41 between the part 43 and the part 45 is activated as explained below. First, part 43 and part 45 are made. The stages of manufacture of part 43 and part 45 do not have to be consecutive and can even be carried out at the same time.

Dans un premier temps, la partie 45 est introduite dans l'ouverture 58 de la pièce 53 comme illustré à la figure 1. Dans un deuxième temps, un déplacement relatif en rotation de la partie 45 par rapport à la pièce 43 est ensuite imprimé afin de faire glisser contre le bras 53, la partie supérieure du tenon 54 dans le but d'écarter progressivement le bourrelet 47 du bras 53 de la partie 45. On comprend, pendant ce déplacement relatif, que le bourrelet 47 du bras 53 est donc déplacé progressivement vers l'évidement 55. Le déplacement relatif est poursuivi jusqu'à ce que le bourrelet 47 bascule en bloquant latéralement le tenon 54 afin d'emprisonner élastiquement le tenon 54 entre l'ensemble butée 60 - bourrelet 47 formant la mortaise 56 par le bras 53 formant cliquet comme illustré à la figure 6.First, part 45 is introduced into opening 58 of part 53 as shown in figure 1 . Secondly, a relative rotational movement of the part 45 relative to the part 43 is then printed in order to slide against the arm 53, the upper part of the tenon 54 in order to progressively separate the bead 47 from the arm. 53 of part 45. It is understood, during this relative movement, that the bead 47 of the arm 53 is therefore moved progressively towards the recess 55. The relative movement is continued until the bead 47 tilts, blocking the tenon laterally. 54 in order to elastically trap the tenon 54 between the stop 60 - bead 47 assembly forming the mortise 56 by the arm 53 forming the pawl as illustrated in figure 6 .

On comprend donc que le tenon 54 de la partie 45 est rendu solidaire en mouvement de la mortaise 56 de la pièce 53, c'est-à-dire quel que soit le mouvement, sous la contrainte induite par le retour élastique du bras 53 formant cliquet. On obtient ainsi un système d'assemblage 59 dont le système de solidarisation 41 ne nécessite pas l'augmentation de l'épaisseur des organes, c'est-à-dire de la pièce 43 et de la partie 45, et qui est applicable notamment à des matériaux fragiles.It is therefore understood that the tenon 54 of the part 45 is made integral in movement with the mortise 56 of the part 53, that is to say whatever the movement, under the stress induced by the elastic return of the arm 53 forming pawl. An assembly system 59 is thus obtained, the securing system 41 of which does not require the increase in the thickness of the members, that is to say of the part 43 and of the part 45, and which is particularly applicable. to fragile materials.

Bien entendu, le système de solidarisation 41 peut comporter plus ou moins de dispositifs à cliquet 51 montés autour de l'ouverture 58 de la pièce 43. De même, la pièce 43 peut former tout ou partie d'un spiral, d'un balancier, d'une ancre, d'un pont ou même d'un mobile comme une roue d'échappement. De manière similaire, la partie 45 peut être solidarisée à un axe, une goupille ou plus généralement à un élément quelconque en une seule pièce, c'est-à-dire de manière monobloc ou à l'aide de plusieurs éléments.Of course, the securing system 41 can include more or less ratchet devices 51 mounted around the opening 58 of the part 43. Likewise, the part 43 can form all or part of a hairspring, a balance. , an anchor, a bridge or even a mobile like an escape wheel. Similarly, part 45 can be secured to an axis, a pin or more generally to any element in one piece, that is to say in a single piece or using several elements.

Les trois modes de réalisation présentés aux figures 1 à 6 ont tous en commun de présenter un bras 13, 33, 53 monté élastiquement sur la pièce 3, 23, 43. Il est bien évident que l'invention ne saurait se limiter à une telle caractéristique. Ainsi, les figures 8 et 9 montrent des variantes des deux derniers modes de réalisation ci-dessus dans lesquelles les bras 33', 53' sont montés élastiquement sur la partie 25', 45'. La figure 7, quant à elle, correspond à un exemple qui ne fait pas partie de l'invention et montre le bras 13' qui est monté élastiquement sur la partie 5'.The three embodiments presented to figures 1 to 6 all have in common that they present an arm 13, 33, 53 resiliently mounted on the part 3, 23, 43. It is obvious that the invention cannot be limited to a such characteristic. Thus, the figures 8 and 9 show variants of the last two embodiments above in which the arms 33 ', 53' are elastically mounted on the part 25 ', 45'. The figure 7 , for its part, corresponds to an example which does not form part of the invention and shows the arm 13 'which is elastically mounted on the part 5'.

Selon un exemple qui ne fait pas partie de l'invention illustré à la figure 7, le système de solidarisation 1' comporte au moins un dispositif à cliquet 11' qui comprend un bras 13' monté élastiquement sur la partie 5' à une première extrémité 12' afin de former un cliquet. De plus, le bras 13' comporte à sa deuxième extrémité libre, un tenon 14'. Le dispositif à cliquet 11' comporte également une mortaise 16' formée dans la pièce 3' et destinée à coopérer avec le tenon 14' du bras 13' pour solidariser la pièce 3' avec la partie 5' de manière inverse au premier mode de réalisation.According to an example which does not form part of the invention illustrated on figure 7 , the securing system 1 'comprises at least one ratchet device 11' which comprises an arm 13 'resiliently mounted on part 5' at a first end 12 'in order to form a ratchet. In addition, the arm 13 'has at its second free end, a tenon 14'. The ratchet device 11 'also comprises a mortise 16' formed in the part 3 'and intended to cooperate with the tenon 14' of the arm 13 'to secure the part 3' with the part 5 'in the opposite manner to the first embodiment. .

Ainsi, dans un premier temps, la partie 5' est introduite dans l'ouverture 18' de la pièce 3' de manière à ce que le tenon 14' glisse latéralement dans l'évidement 15' de la pièce 3'. Dans un deuxième temps, un déplacement relatif en rotation de la partie 5' par rapport à la pièce 3' est ensuite imprimé afin de faire glisser le tenon 14' contre la came 17' dans le but d'écarter progressivement le tenon 14' par rapport à la pièce 3'. Le déplacement relatif est poursuivi jusqu'à ce que le tenon 14' bascule dans la mortaise 16' afin de bloquer élastiquement l'ensemble tenon 14' - mortaise 16' par le bras 13' formant cliquet comme illustré à la figure 7.Thus, firstly, the part 5 'is introduced into the opening 18' of the part 3 'so that the tenon 14' slides laterally in the recess 15 'of the part 3'. Secondly, a relative rotational movement of the part 5 'relative to the part 3' is then printed in order to slide the tenon 14 'against the cam 17' in order to progressively move the tenon 14 'apart. compared to part 3 '. The relative movement is continued until the tenon 14 'swings into the mortise 16' in order to elastically block the tenon 14 '- mortise 16' assembly by the arm 13 'forming the pawl as illustrated in figure 7 .

Par conséquent, l'exemple de la figure 7 forme donc un système d'assemblage 19' dont le tenon 14' de la partie 5' est solidaire en mouvement de la mortaise 16' de la pièce 3', c'est-à-dire quel que soit le mouvement, sous la contrainte induite par le retour élastique du bras 13' formant cliquet avec les mêmes avantages, applications ou alternatives expliquées pour le premier mode de réalisation.Therefore, the example of figure 7 therefore forms an assembly system 19 'whose tenon 14' of part 5 'is integral in movement with the mortise 16' of part 3 ', that is to say whatever the movement, under stress induced by the elastic return of the arm 13 'forming a pawl with the same advantages, applications or alternatives explained for the first embodiment.

Selon une variante du deuxième mode de réalisation illustré à la figure 8, le système de solidarisation 21' comporte au moins un dispositif à cliquet 31' qui comprend un bras 33' monté élastiquement sur la partie 25' à une première extrémité 32' afin de former un cliquet. De plus, le bras 33' comporte à sa deuxième extrémité libre 27', une mortaise 36'. Le dispositif à cliquet 31' comporte également un tenon 34' formé dans la pièce 23' et destiné à coopérer avec la mortaise 36' du bras 33' pour solidariser la pièce 23' avec la partie 25' de manière inverse au deuxième mode de réalisation. Enfin, la partie 25' comporte, pour chaque dispositif à cliquet 31', une butée 40' destinée à centrer la partie 25' dans l'ouverture 38'.According to a variant of the second embodiment illustrated in figure 8 , the securing system 21 'comprises at least one ratchet device 31' which comprises an arm 33 'resiliently mounted on part 25' at a first end 32 'in order to form a pawl. In addition, the 33 'arm comprises at its second free end 27 ', a mortise 36'. The device ratchet 31 'also comprises a tenon 34' formed in the part 23 'and intended to cooperate with the mortise 36' of the arm 33 'to secure the part 23' with the part 25 'in the opposite manner to the second embodiment. Finally, the part 25 'comprises, for each ratchet device 31', a stop 40 'intended to center the part 25' in the opening 38 '.

Ainsi, dans un premier temps, la partie 25' est introduite dans l'ouverture 38' de la pièce 23'. Dans un deuxième temps, un déplacement relatif en rotation de la partie 25' par rapport à la pièce 23' est ensuite imprimé afin de faire glisser contre le bras 33', le tenon 34' dans le but d'écarter progressivement l'extrémité libre 27' par rapport à la pièce 23' en la rapprochant progressivement vers l'évidement 35'. Le déplacement relatif est poursuivi jusqu'à ce que la mortaise 36' bascule en recouvrant le tenon 34' afin de bloquer élastiquement l'ensemble tenon 34' - mortaise 36' par le bras 33' formant cliquet comme illustré à la figure 8.Thus, firstly, the part 25 'is introduced into the opening 38' of the part 23 '. Secondly, a relative rotational movement of the part 25 'relative to the part 23' is then printed in order to slide against the arm 33 ', the tenon 34' in order to progressively move the free end away. 27 'relative to the part 23' by gradually bringing it closer to the recess 35 '. The relative movement is continued until the mortise 36 'tilts, covering the tenon 34' in order to elastically block the tenon 34 '- mortise 36' assembly by the arm 33 'forming a pawl as illustrated in figure 8 .

Par conséquent, la variante de la figure 8 forme donc un système d'assemblage 39' dont le tenon 34' de la pièce 23' est rendu solidaire en mouvement de la mortaise 36' de la partie 25', c'est-à-dire quel que soit le mouvement, sous la contrainte induite par le retour élastique du bras 33' formant cliquet avec les mêmes avantages, applications ou alternatives expliquées pour le deuxième mode de réalisation.Therefore, the variant of the figure 8 therefore forms an assembly system 39 'of which the tenon 34' of the part 23 'is made integral in movement of the mortise 36' of the part 25 ', that is to say whatever the movement, under the stress induced by the elastic return of the arm 33 'forming a pawl with the same advantages, applications or alternatives explained for the second embodiment.

Selon une variante du troisième mode de réalisation illustré à la figure 9, le système de solidarisation 41' entre la pièce 43' et la partie 45' comporte au moins un dispositif à cliquet 51' qui comprend un bras 53' monté élastiquement sur la partie 45' à une première extrémité 52' afin de former un cliquet. De plus, le bras 53' comporte à sa deuxième extrémité libre, un bourrelet 47' destiné à former une paroi de la mortaise 56' avec une butée 60' formée dans la partie 45'. Préférentiellement, la butée 60', comme pour le troisième mode de réalisation, est également destinée à centrer la partie 45' dans l'ouverture 58'.According to a variant of the third embodiment illustrated in figure 9 , the securing system 41 'between the part 43' and the part 45 'comprises at least one ratchet device 51' which comprises an arm 53 'elastically mounted on the part 45' at a first end 52 'in order to form a pawl . In addition, the arm 53 'comprises at its second free end, a bead 47' intended to form a wall of the mortise 56 'with a stop 60' formed in the part 45 '. Preferably, the stop 60 ′, as for the third embodiment, is also intended to center the part 45 ′ in the opening 58 ′.

Le dispositif à cliquet 51' comporte également un tenon 54' formé dans la pièce 43' et destiné à coopérer avec la mortaise 56' formée par la butée 60' et le bourrelet 47' pour solidariser la pièce 43' avec la partie 45' de manière inverse au troisième mode de réalisation. De plus, la partie 45' présente un évidement 55' qui fait face au bourrelet 47' du bras 53' afin de former un jeu nécessaire au déplacement élastique dudit bras.The ratchet device 51 'also comprises a tenon 54' formed in the part 43 'and intended to cooperate with the mortise 56' formed by the stop 60 ′ and the bead 47 ′ for securing the part 43 ′ with the part 45 ′ inversely to the third embodiment. In addition, the part 45 'has a recess 55' which faces the bead 47 'of the arm 53' in order to form a clearance necessary for the elastic movement of said arm.

Ainsi, dans un premier temps, la partie 45' est introduite dans l'ouverture 58' de la pièce 53'. Dans un deuxième temps, un déplacement relatif en rotation de la partie 45' par rapport à la pièce 43' est ensuite imprimé afin de faire glisser contre le bras 53', la partie supérieure du tenon 54' dans le but d'écarter progressivement le bourrelet 47' par rapport à la pièce 43' en le rapprochant progressivement vers l'évidement 55'. Le déplacement relatif est poursuivi jusqu'à ce que le bourrelet 47' bascule en bloquant latéralement le tenon 54' afin d'emprisonner élastiquement le tenon 54' entre l'ensemble butée 60' - bourrelet 47' formant la mortaise 56' par le bras 53' formant cliquet comme illustré à la figure 9.Thus, initially, the part 45 'is introduced into the opening 58' of the part 53 '. Secondly, a relative rotational movement of part 45 'relative to part 43' is then printed in order to slide against arm 53 ', the upper part of tenon 54' in order to progressively move the bead 47 'relative to part 43' by gradually bringing it closer to the recess 55 '. The relative movement is continued until the bead 47 'rocks, blocking the tenon 54' laterally in order to elastically trap the tenon 54 'between the stop 60' - bead 47 'assembly forming the mortise 56' by the arm 53 'forming a ratchet as shown in figure 9 .

Par conséquent, la variante de la figure 9 forme donc un système d'assemblage 59' dont le tenon 54' de la pièce 43' est rendu solidaire en mouvement de la mortaise 56' de la partie 55', c'est-à-dire quel que soit le mouvement, sous la contrainte induite par le retour élastique du bras 53' formant cliquet avec les mêmes avantages, applications ou alternatives expliquées pour le troisième mode de réalisationTherefore, the variant of the figure 9 therefore forms an assembly system 59 'whose tenon 54' of part 43 'is made integral in movement with mortise 56' of part 55 ', that is to say whatever the movement, under the stress induced by the elastic return of the arm 53 'forming a pawl with the same advantages, applications or alternatives explained for the third embodiment

Bien entendu, la présente invention ne se limite pas à l'exemple illustré mais est susceptible de diverses variantes et modifications dans le cadre des revendications annexées. En particulier, pour tous les modes de réalisation et/ou leurs variantes, on peut citer, à titre d'exemple, que la pièce 3, 3', 23, 23', 43, 43' et/ou la partie 5, 5', 25, 25', 45, 45' peuvent être formées par un processus du type LIGA, c'est-à-dire une photolithographie d'un moule suivi du remplissage du moule par galvanoplastie, ou par un processus du type photolithographie d'un masque suivi d'un gravage suivant les ajourages du masque.Of course, the present invention is not limited to the example illustrated but is susceptible of various variations and modifications within the scope of the appended claims. In particular, for all the embodiments and / or their variants, it may be mentioned, by way of example, that part 3, 3 ', 23, 23', 43, 43 'and / or part 5, 5 ', 25, 25', 45, 45 'can be formed by a process of the LIGA type, that is to say a photolithography of a mold followed by the filling of the mold by electroplating, or by a process of the photolithography type of 'a mask followed by an engraving following the openings of the mask.

Par conséquent, la pièce 3, 3', 23, 23', 43, 43' et/ou la partie 5, 5', 25, 25', 45, 45' peuvent être formées à partir de beaucoup de matériaux comme, par exemple, un métal, un alliage métallique, à base d'un matériau non métallique ou même à base d'oxyde, de nitrure ou de carbure quelconques.Therefore, part 3, 3 ', 23, 23', 43, 43 'and / or part 5, 5', 25, 25 ', 45, 45' can be formed from a lot of materials. such as, for example, a metal, a metal alloy, based on a non-metallic material or even based on any oxide, nitride or carbide.

Il est également parfaitement envisageable que la pièce 3, 3', 23, 23', 43, 43' et/ou la partie 5, 5', 25, 25', 45, 45' comprennent au moins deux niveaux avec des motifs distincts pour leur ajouter des fonctions comme, par exemple, un épaulement destiné à bloquer axialement le système d'assemblage 19, 19', 39, 39', 59, 59'.It is also perfectly conceivable that the part 3, 3 ', 23, 23', 43, 43 'and / or the part 5, 5', 25, 25 ', 45, 45' comprise at least two levels with distinct patterns to add functions such as, for example, a shoulder intended to axially block the assembly system 19, 19 ', 39, 39', 59, 59 '.

Dans le cas du premier mode de réalisation et de sa variante illustrés aux figures 1, 2 et 7, il n'est pas obligatoire de prévoir l'évidement 15, 15' formant came 17, 17'. Il peut donc uniquement être prévu la mortaise 16, 16' respectivement sur la partie 5 et sur la pièce 3'.In the case of the first embodiment and its variant illustrated in figures 1, 2 and 7 , it is not mandatory to provide the recess 15, 15 'forming a cam 17, 17'. It is therefore only possible to provide the mortise 16, 16 'on part 5 and on part 3' respectively.

Enfin, à la lecture des modes de réalisation et des variantes ci-dessus, on comprend, suivant les applications, que les systèmes d'assemblages 19, 19', 39, 39', 59, 59' peuvent être de dimensions ou de formes différentes notamment au niveau du bras 13, 13', 33, 33', 53, 53', du tenon 14, 14', 34, 34', 54, 54' et/ou de la mortaise 16, 16', 36, 36', 56, 56' sans sortir du cadre de la présente invention.Finally, on reading the above embodiments and variants, it will be understood, depending on the applications, that the assembly systems 19, 19 ', 39, 39', 59, 59 'can be of dimensions or shapes different in particular at the level of the arm 13, 13 ', 33, 33', 53, 53 ', of the tenon 14, 14', 34, 34 ', 54, 54' and / or of the mortise 16, 16 ', 36, 36 ', 56, 56' without departing from the scope of the present invention.

Claims (2)

  1. System (19, 19', 39, 39', 59, 59') for assembling a part (5, 5', 25, 25', 45, 45') in the aperture (18, 18', 38, 38', 58, 58') of a component (3, 3', 23, 23', 43, 43') the part being arranged to be integral with an arbour, the component being arranged to be rotated, the assembly system including a system (1, 1', 21, 21', 41, 41') for securing the component (3, 3', 23, 23', 43, 43') and the part (5, 5', 25, 25', 45, 45') to each other, which includes at least one pawl device (11, 11', 31, 31', 51, 51') for making the component (3, 3', 23, 23', 43, 43') and the part (5, 5', 25, 25', 45, 45') move integrally with each other, regardless of the rotational movement of the component, said at least one pawl device (11, 11', 31, 31', 51, 51') including an elastic arm (13, 13', 33, 33', 53, 53') forming a pawl, which locks a mortise (16, 16', 36, 36', 56, 56') and tenon (14, 14', 34, 34', 54, 54') type assembly in order to prevent any relative movements between the component (3, 3', 23, 23', 43, 43') and the part (5, 5', 25, 25', 45, 45') characterised in that:
    - the arm (13, 33, 53) is formed in the component (3, 23, 43) and also forms the tenon (14), the mortise (16) being formed in the part (5), or
    - the arm (33) is formed in the component (3, 23, 43) and includes the mortise (36), the tenon (34) being formed in the part (25), or
    - the arm (53) is formed in the component and forms a wall (47) of the mortise (56), the remainder of the mortise (56) being formed in the component (43) and the tenon (54) being formed in the part (5), or
    - the arm (33') is formed in the part (5', 25', 45') and includes the mortise (36'), the tenon (34') being formed in the component (23'), or
    - the arm (53') is formed in the part and forms a wall (47') of the mortise (56'), the remainder of the mortise (56') being formed in the part (5') and the tenon (54') being formed in the component (3').
  2. Timepiece characterised in that it includes an assembly system (19, 19', 39, 39', 59, 59') according to the preceding claim.
EP11195024.2A 2011-01-26 2011-12-21 Ratchet locking assembly system Active EP2482144B1 (en)

Priority Applications (1)

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EP11195024.2A EP2482144B1 (en) 2011-01-26 2011-12-21 Ratchet locking assembly system

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EP11152202A EP2482143A1 (en) 2011-01-26 2011-01-26 Assembly by ratchet locking
EP11195024.2A EP2482144B1 (en) 2011-01-26 2011-12-21 Ratchet locking assembly system

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EP2482144A1 EP2482144A1 (en) 2012-08-01
EP2482144B1 true EP2482144B1 (en) 2020-12-02

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EP11195024.2A Active EP2482144B1 (en) 2011-01-26 2011-12-21 Ratchet locking assembly system

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EP (2) EP2482143A1 (en)
JP (1) JP5627611B2 (en)
CN (1) CN102621870B (en)
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Publication number Publication date
CN102621870A (en) 2012-08-01
RU2012102524A (en) 2013-07-27
HK1174402A1 (en) 2013-06-07
CN102621870B (en) 2016-03-02
US20120186054A1 (en) 2012-07-26
JP2012154929A (en) 2012-08-16
EP2482144A1 (en) 2012-08-01
US10088804B2 (en) 2018-10-02
JP5627611B2 (en) 2014-11-19
RU2589665C2 (en) 2016-07-10
EP2482143A1 (en) 2012-08-01

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