EP3488297A1 - Index key - Google Patents

Index key

Info

Publication number
EP3488297A1
EP3488297A1 EP17742705.1A EP17742705A EP3488297A1 EP 3488297 A1 EP3488297 A1 EP 3488297A1 EP 17742705 A EP17742705 A EP 17742705A EP 3488297 A1 EP3488297 A1 EP 3488297A1
Authority
EP
European Patent Office
Prior art keywords
racket
arms
key
gap
spiral
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17742705.1A
Other languages
German (de)
French (fr)
Other versions
EP3488297B1 (en
Inventor
Laurent Kaelin
Fabien SCHLUP
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
Publication of EP3488297A1 publication Critical patent/EP3488297A1/en
Application granted granted Critical
Publication of EP3488297B1 publication Critical patent/EP3488297B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/02—Regulator or adjustment devices; Indexing devices, e.g. raquettes
    • G04B18/026—Locking the hair spring in the indexing device, e.g. goupille of the raquette
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • G04B17/325—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring in a fixed position, e.g. using a block

Definitions

  • the invention relates to a racket key to ensure the frolicking of the spiral even in case of shocks.
  • shockproof devices are bulky and / or do not allow to intervene after-sales to, for example, change the hairspring.
  • the object of the present invention is to overcome all or part of the drawbacks mentioned above by proposing a new racket key whose arms can ensure the frolicking of the spiral even in case of shocks while remaining compact.
  • the invention relates to a racket key for a watch movement comprising a base arranged to be attached to a racket and supporting two arms arranged to limit the play of a spiral characterized in that the two arms project from the base parallel to each other leaving a gap arranged to receive said hairspring, in that the two arms each have a projecting surface which decreases away from the base to limit the bulk of the end of the key and in that the arms each comprise a partially recessed central portion so that the free end of each arm forms a hook along said interstice arranged to receive said hairspring.
  • the racket key has an axis of symmetry passing through the center of the base;
  • the faces of the arms along said interstice are substantially C-shaped
  • the invention relates to a watch movement comprising a balance spring-balance resonator and a racking system for adjusting the active length of the hairspring, characterized in that the racking system comprises a racket key according to one of the variants. preceding.
  • FIG. 1 is a partial perspective representation of a movement according to the invention
  • FIG. 2 is a sectional representation of FIG. 1;
  • FIG. 3 is a perspective representation of a racket key according to the invention.
  • FIG. 4 is a view from above of FIG. 3;
  • FIG. 5 is a view according to section A-A of Figure 4.
  • FIG. 6 is a view according to section BB of FIG. Detailed Description of the Preferred Embodiments
  • the invention relates to a racking system 3 for a timepiece movement 1.
  • the clockwork movement 1 also comprises a resonator 5 of the pendulum 6-spiral type 4 mounted on a shaft 7 pivoting between a bridge 8 and a plate (not shown).
  • the racking system 3 is intended to adjust the active length of the hairspring 4. It mainly comprises a racket 9 and a racket key 11.
  • the racket 9 is mounted in its central portion on the bridge 8 and supports the racket key 1 1 with two blades 10a, 10b. As best seen in FIG. 2, the two blades 10a, 10b serve to lock the racket key 9 between its head 13 and its base 15.
  • the base 15 attached to the racket 9 will allow to adjust, by rotation of the racket 9 on the deck 8, the relative position of the racket key 1 1 with respect to the length of the outer coil 2 of the spiral 4 and, by rotation of the racket key 1 1 between the blades 1 0a, 10b, the frost of the outer coil 2 of the spiral 4 between the arms 17a, 17b of the racket key 1 January.
  • the two arms 17a, 17b project from the base 15 parallel to each other leaving a gap 16 arranged to receive the spiral 4 as shown in Figure 2.
  • the two arms 17a, 17b each comprise a projecting surface which decreases away from the base 15 to limit the size of the end of the racket key 1 January.
  • the two arms 17a, 17b if they were together, would form an outer surface close to a truncated cone.
  • this shape of the arms 17a, 17b brings a compactness allowing more spatial freedom for the balance 6 as, for example, at its weights 1 2.
  • the arms 17a, 17b each comprise a central portion 18a, 18b partially recessed so that the free end of each arm forms a hook 19a, 19b along the gap 16, that is to say in n ' not being prominent in gap 16.
  • the racket key 1 1 comprises an axis S of symmetry passing through the center of the base 1 5. This characteristic is in particular desired to avoid having a mounting direction of the racket key 1 1 between the two arms 10a, 10b.
  • this symmetry offers particular characteristics to the faces Fa, Fb of the arms 17a, 17b along the gap 16.
  • the face Fa of the arm 17a is substantially in the shape of an inverted C or C . Therefore, the outer coil 2 of the spiral 4 may, advantageously according to the invention, be received not only in the gap 16 but also in the central portions 18a, 18b partially recessed arms 17a, 17b. It is therefore understood that the fretting of the outer turn 2 of the hairspring 4 between the arms 17a, 17b of the racket key 1 1 will be brought by the stop of the vertical part of the C or C inverted of the faces Fa, Fb of the arms 17a, 17b along the gap 16.
  • the faces Fa, Fb of the arms 17a, 17b along the gap 16 are preferably flat and parallel.
  • the surfaces V of the faces F 1, F b of the arms 17 a, 17 b running along the gap 16 which face each other are substantially I-shaped.
  • racket key 1 1 could be of different geometry to adapt to another type of spiral and / or another type of rocker and / or another type of racket and / or another type of bridge.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Springs (AREA)
  • Food-Manufacturing Devices (AREA)
  • Stringed Musical Instruments (AREA)
  • Clamps And Clips (AREA)
  • Toys (AREA)
  • Electric Clocks (AREA)

Abstract

The invention relates to an index key, the arms of which allow guaranteed balance spring clearance even in the event of an impact.

Description

Cl é de raq uette  Clé de raq uette
Domaine de l'invention Field of the invention
L'invention se rapporte à une clé de raquette permettant de garantir l'ébat du spiral même en cas de chocs. The invention relates to a racket key to ensure the frolicking of the spiral even in case of shocks.
Arrière-plan de l'invention  Background of the invention
Il est connu dans les systèmes de raquetterie d'utiliser une raquette munie de deux goupilles ou d'une clé de raquette pour régler la longueur active d'un spiral. De plus, ces systèmes sont parfois pourvus d'un dispositif antichoc empêchant au spiral de sortir de l'interstice entre les goupilles ou de la clé de raquette lorsque le mouvement subit des chocs. It is known in snowshoe systems to use a racket with two pins or a racket key to adjust the active length of a hairspring. In addition, these systems are sometimes provided with an anti-shock device preventing the hairspring from coming out of the gap between the pins or the racket key when the movement is shocked.
Toutefois, les systèmes de raquetterie actuels pourvus d'un dispositif antichoc sont encombrants et/ou ne permettent pas d'intervenir en après- vente pour, par exemple, changer le spiral.  However, current racking systems provided with a shockproof device are bulky and / or do not allow to intervene after-sales to, for example, change the hairspring.
Résumé de l'invention  Summary of the invention
Le but de la présente invention est de pallier tout ou partie les inconvénients cités précédemment en proposant une nouvelle clé de raquette dont les bras permettent de garantir l'ébat du spiral même en cas de chocs tout en restant compacts. The object of the present invention is to overcome all or part of the drawbacks mentioned above by proposing a new racket key whose arms can ensure the frolicking of the spiral even in case of shocks while remaining compact.
A cet effet, l'invention se rapporte à une clé de raquette pour un mouvement d'horlogerie comportant une base agencée pour être attachée sur une raquette et supportant deux bras agencés pour limiter l'ébat d'un spiral caractérisée en ce que les deux bras se projettent de la base parallèlement l'un par rapport à l'autre en laissant un interstice agencé pour recevoir ledit spiral, en ce que les deux bras comportent chacun une surface en projection qui diminue en s'éloignant de la base afin de limiter l'encombrement de l'extrémité de la clé et en ce que les bras comportent chacun une portion centrale partiellement évidée afin que l'extrémité libre de chaque bras forme un crochet longeant ledit interstice agencé pour recevoir ledit spiral. For this purpose, the invention relates to a racket key for a watch movement comprising a base arranged to be attached to a racket and supporting two arms arranged to limit the play of a spiral characterized in that the two arms project from the base parallel to each other leaving a gap arranged to receive said hairspring, in that the two arms each have a projecting surface which decreases away from the base to limit the bulk of the end of the key and in that the arms each comprise a partially recessed central portion so that the free end of each arm forms a hook along said interstice arranged to receive said hairspring.
Conformément à d'autres variantes avantageuses de l'invention : According to other advantageous variants of the invention:
- la clé de raquette comporte un axe de symétrie passant par le centre de la base ; - The racket key has an axis of symmetry passing through the center of the base;
- les faces des bras longeant ledit interstice sont sensiblement en forme de C ;  the faces of the arms along said interstice are substantially C-shaped;
- les faces des bras longeant ledit interstice sont planes ;  the faces of the arms along said interstice are flat;
- les faces des bras longeant ledit interstice sont parallèles ;  the faces of the arms along said interstice are parallel;
- les surfaces des faces des bras longeant ledit interstice qui se font vis- à-vis sont sensiblement en forme de I.  - The surfaces of the faces of the arms along said gap which are vis-à-vis are substantially I-shaped.
De plus, l'invention se rapporte à un mouvement horloger comportant un résonateur balancier - spiral et un système de raquetterie permettant de régler la longueur active du spiral caractérisé en ce que le système de raquetterie comprend une clé de raquette selon l'une des variantes précédentes.  In addition, the invention relates to a watch movement comprising a balance spring-balance resonator and a racking system for adjusting the active length of the hairspring, characterized in that the racking system comprises a racket key according to one of the variants. preceding.
Description sommaire des dessins  Brief description of the drawings
D'autres particularités et avantages ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et nullement limitatif, en référence aux dessins annexés, dans lesquels : Other particularities and advantages will emerge clearly from the description which is given hereinafter, by way of indication and in no way limiting, with reference to the appended drawings, in which:
- la figure 1 est une représentation partielle en perspective d'un mouvement selon l'invention ;  - Figure 1 is a partial perspective representation of a movement according to the invention;
- la figure 2 est une représentation en coupe de la figure 1 ;  FIG. 2 is a sectional representation of FIG. 1;
- la figure 3 est une représentation en perspective d'une clé de raquette selon l'invention ;  FIG. 3 is a perspective representation of a racket key according to the invention;
- la figure 4 est une vue de dessus de la figure 3 ;  FIG. 4 is a view from above of FIG. 3;
- la figure 5 est une vue selon la coupe A-A de la figure 4 ;  - Figure 5 is a view according to section A-A of Figure 4;
- la figure 6 est une vue selon la coupe B-B de la figure 4. Description détaillée des modes de réalisation préférés FIG. 6 is a view according to section BB of FIG. Detailed Description of the Preferred Embodiments
Comme illustrée aux figures 1 et 2, l'invention se rapporte à un système de raquetterie 3 pour un mouvement 1 de pièce d'horlogerie. A ces figures 1 et 2, on peut voir que le mouvement 1 horloger comporte en outre un résonateur 5 du type balancier 6 - spiral 4 monté sur un arbre 7 pivotant entre un pont 8 et une platine (non représentée). As illustrated in FIGS. 1 and 2, the invention relates to a racking system 3 for a timepiece movement 1. In these FIGS. 1 and 2, it can be seen that the clockwork movement 1 also comprises a resonator 5 of the pendulum 6-spiral type 4 mounted on a shaft 7 pivoting between a bridge 8 and a plate (not shown).
Le système de raquetterie 3 est destiné à régler la longueur active du spiral 4. Il comporte principalement une raquette 9 et une clé de raquette 1 1 . La raquette 9 est montée dans sa partie centrale sur le pont 8 et supporte la clé de raquette 1 1 à l'aide de deux lames 10a, 10b. Comme mieux visible à la figure 2, les deux lames 10a, 10b servent à bloquer la clé de raquette 9 entre sa tête 13 et sa base 15.  The racking system 3 is intended to adjust the active length of the hairspring 4. It mainly comprises a racket 9 and a racket key 11. The racket 9 is mounted in its central portion on the bridge 8 and supports the racket key 1 1 with two blades 10a, 10b. As best seen in FIG. 2, the two blades 10a, 10b serve to lock the racket key 9 between its head 13 and its base 15.
On comprend donc que la base 15 attachée sur la raquette 9 va permettre de régler, par rotation de la raquette 9 sur le pont 8, la position relative de la clé de raquette 1 1 par rapport à la longueur de la spire externe 2 du spiral 4 et, par rotation de la clé de raquette 1 1 entre les lames 1 0a, 10b, l'ébat de la spire externe 2 du spiral 4 entre les bras 17a, 17b de la clé de raquette 1 1 .  It is therefore understood that the base 15 attached to the racket 9 will allow to adjust, by rotation of the racket 9 on the deck 8, the relative position of the racket key 1 1 with respect to the length of the outer coil 2 of the spiral 4 and, by rotation of the racket key 1 1 between the blades 1 0a, 10b, the frost of the outer coil 2 of the spiral 4 between the arms 17a, 17b of the racket key 1 January.
Comme illustré aux figures 3 à 6, les deux bras 17a, 17b se projettent de la base 15 parallèlement l'un par rapport à l'autre en laissant un interstice 16 agencé pour recevoir le spiral 4 comme visible à la figure 2. De plus, les deux bras 17a, 17b comportent chacun une surface en projection qui diminue en s'éloignant de la base 15 afin de limiter l'encombrement de l'extrémité de la clé de raquette 1 1 . Comme parfaitement visible à la figure 3, les deux bras 17a, 17b, s'ils étaient réunis, formeraient une surface externe proche d'un tronc de cône. En regardant la figure 2, on s'aperçoit que cette forme des bras 17a, 17b apporte une compacité permettant plus de liberté spatiale pour le balancier 6 comme, par exemple, au niveau de ses masselottes 1 2. En outre, les bras 1 7a, 17b comportent chacun une portion centrale 18a, 18b partiellement évidée afin que l'extrémité libre de chaque bras forme un crochet 19a, 19b longeant l'interstice 16, c'est-à-dire en n'étant pas saillants dans l'interstice 16. As illustrated in Figures 3 to 6, the two arms 17a, 17b project from the base 15 parallel to each other leaving a gap 16 arranged to receive the spiral 4 as shown in Figure 2. In addition , the two arms 17a, 17b each comprise a projecting surface which decreases away from the base 15 to limit the size of the end of the racket key 1 January. As fully visible in Figure 3, the two arms 17a, 17b, if they were together, would form an outer surface close to a truncated cone. Looking at Figure 2, we see that this shape of the arms 17a, 17b brings a compactness allowing more spatial freedom for the balance 6 as, for example, at its weights 1 2. In addition, the arms 17a, 17b each comprise a central portion 18a, 18b partially recessed so that the free end of each arm forms a hook 19a, 19b along the gap 16, that is to say in n ' not being prominent in gap 16.
En regardant les figures 3 à 6, on s'aperçoit que la clé de raquette 1 1 comporte un axe S de symétrie passant par le centre de la base 1 5. Cette caractéristique est notamment souhaitée pour éviter d'avoir un sens de montage de la clé de raquette 1 1 entre les deux bras 10a, 10b.  Looking at FIGS. 3 to 6, it can be seen that the racket key 1 1 comprises an axis S of symmetry passing through the center of the base 1 5. This characteristic is in particular desired to avoid having a mounting direction of the racket key 1 1 between the two arms 10a, 10b.
De plus, cette symétrie offre des caractéristiques particulières aux faces Fa, Fb des bras 17a, 17b longeant l'interstice 16. Ainsi, comme visible à la figure 6, la face Fa du bras 17a est sensiblement en forme de C ou de C inversé. Par conséquent, la spire externe 2 du spiral 4 pourra, avantageusement selon l'invention, être reçue non seulement dans l'interstice 16 mais également dans les portions centrales 18a, 1 8b partiellement évidée des bras 17a, 17b. On comprend donc que l'ébat de la spire externe 2 du spiral 4 entre les bras 17a, 17b de la clé de raquette 1 1 sera apporté par la butée de la partie verticale du C ou du C inversé des faces Fa, Fb des bras 17a, 17b longeant l'interstice 16.  In addition, this symmetry offers particular characteristics to the faces Fa, Fb of the arms 17a, 17b along the gap 16. Thus, as seen in FIG. 6, the face Fa of the arm 17a is substantially in the shape of an inverted C or C . Therefore, the outer coil 2 of the spiral 4 may, advantageously according to the invention, be received not only in the gap 16 but also in the central portions 18a, 18b partially recessed arms 17a, 17b. It is therefore understood that the fretting of the outer turn 2 of the hairspring 4 between the arms 17a, 17b of the racket key 1 1 will be brought by the stop of the vertical part of the C or C inverted of the faces Fa, Fb of the arms 17a, 17b along the gap 16.
En outre, les faces Fa, Fb des bras 17a, 17b longeant l'interstice 16 sont préférentiellement planes et parallèles. On remarque enfin, grâce à la partie grisée à la figure 6, que les surfaces V des faces Fa, Fb des bras 17a, 17b longeant l'interstice 16 qui se font vis-à-vis sont sensiblement en forme de I.  In addition, the faces Fa, Fb of the arms 17a, 17b along the gap 16 are preferably flat and parallel. Finally, thanks to the shaded part in FIG. 6, it can be seen that the surfaces V of the faces F 1, F b of the arms 17 a, 17 b running along the gap 16 which face each other are substantially I-shaped.
Ces caractéristiques permettent avantageusement selon l'invention de régler, par rotation de la raquette 9 sur le pont 8, la position relative de la clé de raquette 1 1 par rapport à la longueur de la spire externe 2 du spiral 4 et, par rotation de la clé de raquette 1 1 entre les lames 10a, 1 0b, l'ébat de la spire externe 2 du spiral 4 entre les bras 17a, 17b de la clé de raquette 1 1 .  These features advantageously allow according to the invention to adjust, by rotation of the racket 9 on the bridge 8, the relative position of the racket key 1 1 with respect to the length of the outer coil 2 of the spiral 4 and, by rotation of the racket key 1 1 between the blades 10a, 1 0b, the fretting of the outer coil 2 of the spiral 4 between the arms 17a, 17b of the racket key 1 January.
Comme visible à la figure 1 , lorsque la clé de raquette 1 1 est tournée par rapport aux lames 10a, 1 0b, la spire externe 2 du spiral 4 est emprisonnée dans l'interstice 1 6 et les portions centrales 18a, 18b partiellement évidée des bras 17a, 17b. En effet, la courbure de la spire externe 2 du spiral 4 s'étendant dans les portions centrales 18a, 18b partiellement évidée des bras 17a, 17b, les crochets 19a, 19b empêchent au spiral 4 de pouvoir sortir de l'interstice 16 de la clé de raquette 1 1 même en cas de chocs subit par le mouvement. As can be seen in FIG. 1, when the racket key 11 is turned relative to the blades 10a, 10b, the outer coil 2 of the spiral 4 is trapped in the gap 1 6 and the central portions 18a, 18b partially recessed arms 17a, 17b. Indeed, the curvature of the outer coil 2 of the spiral 4 extending in the central portions 18a, 18b partially recessed arms 17a, 17b, the hooks 19a, 19b prevent the spiral 4 to be able to exit the gap 16 of the racket key 1 1 even in case of shocks suffered by the movement.
Toutefois, il est toujours possible de libérer à nouveau le spiral 4 de la clé de raquette 1 1 comme, par exemple, pour une intervention en après- vente. Il suffit de tourner la clé de raquette 1 1 de manière à ce que les faces Fa, Fb des bras 17a, 17b soit parallèles par rapport à la hauteur de la spire externe 2 du spiral 4 puis de sortir le spiral le long de l'interstice 16.  However, it is still possible to release the spiral 4 of the racket key 1 1 again, for example, for an after-sales intervention. It suffices to turn the racket key 1 1 so that the faces Fa, Fb of the arms 17a, 17b are parallel to the height of the outer coil 2 of the spiral 4 and then out of the spiral along the interstice 16.
Bien entendu, la présente invention ne se limite pas à l'exemple illustré mais est susceptible de diverses variantes et modifications qui apparaîtront à l'homme de l'art. En particulier, la clé de raquette 1 1 pourrait être de géométrie différente pour s'adapter à un autre type de spiral et/ou un autre type de balancier et/ou un autre type de raquette et/ou un autre type de pont.  Of course, the present invention is not limited to the illustrated example but is susceptible of various variations and modifications that will occur to those skilled in the art. In particular, the racket key 1 1 could be of different geometry to adapt to another type of spiral and / or another type of rocker and / or another type of racket and / or another type of bridge.
On comprend, à titre d'exemple, que suivant l'épaisseur d'un autre spiral, il peut être souhaité une distance plus ou moins grande entre les faces Fa, Fb des bras 17a, 17b ou que suivant la distance entre une autre raquette et un autre spiral, il peut être souhaité une longueur plus ou moins grande des bras 17a, 17b.  It is understood, by way of example, that depending on the thickness of another hairspring, it may be desired a greater or lesser distance between the faces Fa, Fb of the arms 17a, 17b or that according to the distance between another racket and another hairspring, it may be desired a longer or smaller length of the arms 17a, 17b.

Claims

REVENDICATIONS
1 . Clé de raquette (1 1 ) pour un mouvement d'horlogerie (1 ) comportant une base (15) agencée pour être attachée sur une raquette (9) et supportant deux bras (17a, 17b) agencés pour limiter l'ébat d'un spiral (4) dans laquelle les deux bras (1 7a, 17b) se projettent de la base (15) parallèlement l'un par rapport à l'autre en laissant un interstice (16) agencé pour recevoir ledit spiral, caractérisée en ce que les deux bras (17a, 17b) comportent chacun une section en projection qui diminue en s'éloignant de la base (15) afin de limiter l'encombrement de l'extrémité de la clé de raquette (1 1 ) et en ce que les deux bras (17a, 1 7b) comportent chacun une portion centrale partiellement évidée (18a, 18b) afin que l'extrémité libre de chaque bras forme un crochet (19a, 19b) s'étendant principalement parallèlement à la direction longitudinale de l'interstice et longeant ledit interstice agencé pour recevoir ledit spiral. 1. Racket key (1 1) for a watch movement (1) comprising a base (15) arranged to be attached to a racket (9) and supporting two arms (17a, 17b) arranged to limit the frolicking of a spiral (4) in which the two arms (17a, 17b) project from the base (15) parallel to each other leaving a gap (16) arranged to receive said hairspring, characterized in that the two arms (17a, 17b) each have a projecting section which decreases away from the base (15) in order to limit the bulk of the end of the racket key (1 1) and in that the two arms (17a, 17b) each comprise a partially recessed central portion (18a, 18b) so that the free end of each arm forms a hook (19a, 19b) extending mainly parallel to the longitudinal direction of the interstice and following said interstice arranged to receive said hairspring.
2. Clé de raquette (1 1 ) selon la revendication 1 caractérisée en ce que les deux crochets s'étendent dans des directions opposées.  2. racket key (1 1) according to claim 1 characterized in that the two hooks extend in opposite directions.
3. Clé de raquette (1 1 ) selon la revendication 1 ou 2, caractérisée en ce que la clé de raquette (1 1 ) comporte un axe de symétrie (S) passant par le centre de la base (1 5).  3. Racket wrench (1 1) according to claim 1 or 2, characterized in that the racket key (1 1) has an axis of symmetry (S) passing through the center of the base (1 5).
4. Clé de raquette (1 1 ) selon l'une des revendications 1 à 3, caractérisée en ce que les faces (Fa, Fb) des deux bras (17a, 17b) longeant ledit interstice sont sensiblement en forme de C.  4. racket key (1 1) according to one of claims 1 to 3, characterized in that the faces (Fa, Fb) of the two arms (17a, 17b) along said gap are substantially C-shaped.
5. Clé de raquette (1 1 ) selon l'une des revendications précédentes, caractérisée en ce que les faces (Fa, Fb) des deux bras (17a, 17b) longeant ledit interstice sont planes.  5. Racket key (1 1) according to one of the preceding claims, characterized in that the faces (Fa, Fb) of the two arms (17a, 17b) along said gap are flat.
6. Clé de raquette (1 1 ) selon l'une des revendications précédentes, caractérisée en ce que les faces (Fa, Fb) des deux bras (17a, 17b) longeant ledit interstice sont parallèles. 6. Racket key (1 1) according to one of the preceding claims, characterized in that the faces (Fa, Fb) of the two arms (17a, 17b) along said gap are parallel.
7. Clé de raquette (1 1 ) selon l'une des revendications précédentes, caractérisée en ce que les surfaces des faces (17a, 17b) des deux bras (17a, 17b) longeant ledit interstice, qui se font vis-à-vis, sont sensiblement en forme de I. 7. Racket wrench (1 1) according to one of the preceding claims, characterized in that the surfaces of the faces (17a, 17b) of the two arms (17a, 17b) along said gap, which are vis-à-vis , are substantially I-shaped.
8. Mouvement d'horlogerie (1 ) comportant un résonateur (5) balancier (6) - spiral (4) et un système de raquetterie (3) permettant de régler la longueur active du spiral (4) caractérisé en ce que le système de raquetterie (3) comprend une clé de raquette (1 1 ) selon l'une des revendications précédentes.  8. Watch movement (1) comprising a resonator (5) balance (6) - spiral (4) and a racking system (3) for adjusting the active length of the spiral (4) characterized in that the system of racket (3) comprises a racket key (1 1) according to one of the preceding claims.
EP17742705.1A 2016-07-20 2017-07-13 Regulator key Active EP3488297B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16180431.5A EP3273310A1 (en) 2016-07-20 2016-07-20 Regulator key
PCT/EP2017/067772 WO2018015277A1 (en) 2016-07-20 2017-07-13 Index key

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EP3488297A1 true EP3488297A1 (en) 2019-05-29
EP3488297B1 EP3488297B1 (en) 2022-02-23

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EP16180431.5A Withdrawn EP3273310A1 (en) 2016-07-20 2016-07-20 Regulator key
EP17742705.1A Active EP3488297B1 (en) 2016-07-20 2017-07-13 Regulator key

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EP16180431.5A Withdrawn EP3273310A1 (en) 2016-07-20 2016-07-20 Regulator key

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US (1) US11226592B2 (en)
EP (2) EP3273310A1 (en)
JP (1) JP6775664B2 (en)
CN (1) CN109478038B (en)
WO (1) WO2018015277A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1422975A4 (en) * 1975-11-04 1977-04-15
CH622150GA3 (en) * 1977-05-12 1981-03-31
JP4688627B2 (en) * 2005-10-24 2011-05-25 セイコーインスツル株式会社 Whistle stick structure, slow and quick needle equipped with the same, balance structure and mechanical watch
EP2290477B1 (en) * 2009-08-25 2014-06-11 Glashütter Uhrenbetrieb GmbH Assembly for fixing the peripheral end of the hairspring of a device with balance wheel-hairspring for a timepiece
CH702156B1 (en) * 2009-11-13 2017-08-31 Nivarox Far Sa Spiral balance resonator for a timepiece.
EP2474871B1 (en) 2011-01-06 2017-05-10 ETA SA Manufacture Horlogère Suisse Index pin for sprung balance
JP6118037B2 (en) * 2012-05-08 2017-04-19 セイコーインスツル株式会社 Beardball, balance and watch
EP2876504B1 (en) * 2013-11-20 2017-07-26 ETA SA Manufacture Horlogère Suisse Screwless clock stud holder

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US11226592B2 (en) 2022-01-18
CN109478038A (en) 2019-03-15
EP3273310A1 (en) 2018-01-24
JP6775664B2 (en) 2020-10-28
US20200292992A1 (en) 2020-09-17
JP2019525165A (en) 2019-09-05
CN109478038B (en) 2021-08-20
EP3488297B1 (en) 2022-02-23
WO2018015277A1 (en) 2018-01-25

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