EP3293585B1 - Spiralklötzchenträger und regulierungsverfahren der position eines spiralklötzchens in einem solchen spiralklötzchenträger - Google Patents

Spiralklötzchenträger und regulierungsverfahren der position eines spiralklötzchens in einem solchen spiralklötzchenträger Download PDF

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Publication number
EP3293585B1
EP3293585B1 EP17188234.3A EP17188234A EP3293585B1 EP 3293585 B1 EP3293585 B1 EP 3293585B1 EP 17188234 A EP17188234 A EP 17188234A EP 3293585 B1 EP3293585 B1 EP 3293585B1
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EP
European Patent Office
Prior art keywords
stud
holder
isolator
arms
clamping means
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Active
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EP17188234.3A
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English (en)
French (fr)
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EP3293585A1 (de
Inventor
Karim BOUDERBALI
Jean-François CHAUVET
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.)
Richemont International SA
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Richemont International SA
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    • 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 present invention relates to the field of watchmaking. It relates, more particularly, a peg carrier comprising a support for being mounted on a timepiece frame and means for clamping a peg on said support, arranged to block the degrees of freedom of said peg.
  • the invention also relates to a method for adjusting the position of a stud in such a stud holder.
  • the stud is the member that allows to fix the outer end of the spiral of a regulating member of the sprung-balance type.
  • the position of the bolt affects the adjustment of the hairspring. Also, to allow adjustment of the counting point.
  • the stud is frequently mounted on a bolt carrier, rotatably mounted on the frame of the timepiece, usually on the cock, concentrically to the bearing of the pendulum.
  • the position of the bolt in the bolt carrier also plays a role in the adjustment of the hairspring.
  • the axial position of the peak, along the longitudinal axis of the peak, determines the height of the outer coil. It therefore has an impact on the flatness of the hairspring and on the constraints that a lack of flatness of the hairspring could generate on the balance.
  • the stud is positioned in an aperture of the stud holder, in which it is clamped by a screw oriented transversely, that is to say a screw whose axis is perpendicular to the longitudinal axis of the piton, and contained in the plane of the peg carrier.
  • This screw must be unscrewed slightly to make the adjustment, before tightening it again.
  • Documents are also known JPS5291150U and JPS509027 a peg holder comprising two elastic arms pinching a stud with non-circular geometry (single radial positioning) the radial adjustments being limited by this geometry.
  • additional spans that can be used to ensure the perpendicularity of the stud relative to its support, further exclude an axial adjustment.
  • the handling during the removal of the peak is difficult because of a large arrow of the arms to let out laterally the peak. In addition to the fact that this manipulation is difficult for the watchmaker, plastic deformations can result.
  • the document is known CH76336 a peg holder whose tightening of the peak is ensured by an elastic arm and an eccentric adjustment carried by the rooster.
  • This configuration in addition to its cost and its size, does not allow to adjust the radial positioning of the pin with respect to the balance, operation that a watchmaker will practice to adjust the marker.
  • the object of the present invention is to propose a bolt carrier which makes it possible to adjust the axial position and the radial position of the bolt in the bolt carrier, without having the difficulties of access that a system with a lateral screw may have.
  • the insulator is arranged to be accessible, for said manual actuation, the side of the general plane of the peg carrier to be opposite the side having a hairspring.
  • the figure 1 proposes a first embodiment of a bolt carrier 10 according to the invention as mentioned above.
  • the bolt carrier 10 comprises a ring 12 defining a support intended to be mounted on a timepiece frame.
  • the ring 12 is intended to be rotatably mounted, generally on a cock of a watch movement, with reference to an axis passing through the centers of the bearings of the balance.
  • the ring 12 is not complete and comprises a slot 14 which opens it.
  • the ring 12 is extended by two arms, forming a fork 16, which extend opposite the slot 14, parallel to each other in the plane of said ring 12, and parallel to a diameter of 1 At least one of the two arms, preferably both, is elastically deformable in the plane of the ring 12, so that the fork 16 defines elastic clamping means integral with the support.
  • the arms came in one piece with the support.
  • each arm is shaped to position a stud 18 and to receive a guide ring 20 whose shape and function will be described below.
  • the inside of each arm has a concavity 22, of type hemicylindrical or biface, to receive the stud 18 in a defined position.
  • the part of the bolt 18 housed in the bolt carrier is cylindrical ( Fig. 5c ).
  • the guide ring 20 of this embodiment is traversed by a transverse cylindrical opening 24, intended to receive the stud 18.
  • the wall of the ring 20 is partially open in a central zone of the ring, by two grooves forming two windows 26 opposite, opening into the transverse cylindrical opening 24.
  • the windows 26 allow the passage of the arms of the fork 16, to position the guide ring 20 and allow its rotation.
  • the height of the windows 26 is substantially equal to the thickness of the arms of the fork 16 so that, when the guide ring 20 is housed in the fork 16, the edges of the windows 26 position without clearance the ring height.
  • One or both of the rims of the windows 26 have a flat 28 or other equivalent non-circular shape capable of cooperating with a tool of a shape adapted to drive the guide ring 20 in rotation.
  • the use of the tool can be done from below or above the movement.
  • the windows 26 are separated by two pillars 30, diametrically opposed, whose section is substantially trapezoidal.
  • the flanks of these pillars 30 are intended to cooperate with the arms to position the guide ring 20 in the plane of the bolt carrier 10.
  • one 30a of the pillars in this case that located on the distal side of the fork 16, has a large base substantially equal to the distance between the two arms of the fork 16 at the contact of the fork 16 with this pillar, so that the fork arms 16 hold the guide ring 20 without being constrained when the pillar 30a is centered between the arms of the fork 16, which defines a so-called rest position ( Fig. 3a ).
  • the second pillar 30b located on the proximal side of the fork 16, is dimensioned so as not to constrain the arms of the fork 16 when the first pillar 30a is centered between the arms of the fork 16. Preferably, it is dimensioned so as not to be in contact with the fork 16 in the rest position, so that it is only defined by the first pillar 30a.
  • the pillars By acting on the guide ring 20 so as to cause it to rotate about the axis of the cylindrical opening 24, the pillars exert a stress on the arms of the fork 16 ( Fig. 3b ).
  • the guide ring 20 acts as an isolator, arranged to move between a first state and a second state.
  • the insulator does not exert stress on the elastic clamping means, which are thus in a clamping position.
  • the arms of the fork 16 are capable of taking up position in the cylindrical opening 24, through the windows 26, leaving the possibility for the arms to hold a pin 18 positioned in the cylindrical opening 24.
  • the insulator it constitutes evolves towards its second state ( figure 3b ), in which it acts on the elastic clamping means so as to constrain them more strongly and thus to spread them so that they adopt a setting position, in which the degrees of freedom of the pin 18 rotating around its longitudinal axis and in translation along its longitudinal axis, are allowed. More specifically, by a manual action applied to the guide ring 20, the pillars 30 of the ring spread the arms of the fork 16, exerting on each of them a pressure tending to move them away from each other.
  • the deformation can be controlled manually or by a stop limiting the rotation of the guide ring 20, so that when the arms of the fork 16 are spaced apart, a pin 18 positioned in the cylindrical opening 24 can be moved to greasy friction in the opening, to allow an axial and radial adjustment of the position of the stud 18.
  • the guide ring 20 can occupy n stable and indexed angular positions. Indexing could be achieved by a notching system for example. Each position defines a more or less strong tightening of the stud 18, allowing a more or less easy adjustment. One could thus define a position in which the pin 18 is free, a clamping position in which the stud 18 is blocked, and an intermediate position, setting, in which the pin 18 can be moved to friction grease.
  • the arms of the fork 16 may be shaped so as to define more precisely a bending zone at which they are likely to deform under the action of the insulator. If the second pillar 30b supports in a rigid area of the arm, this support can help increase the lever arm with which the first pillar 30a will apply its force on his respective arm.
  • the bolt carrier 10 has, as in the first embodiment, a split ring 12 defining a support.
  • the ring 12 is extended by a fork 16 provided with two arms, at least one of which is elastically deformable.
  • the fork 16 is arranged to receive a guide ring 20, occupying the function of resilient clamping means.
  • the ring 20 is elastically assembled between the arms of the fork 16.
  • the guide ring 20 comprises a substantially cylindrical body 40, whose height is substantially equal to the thickness of the arms of the fork 16, the height of said body being delimited on either side by a flange 42.
  • the guide ring 20 is crossed by a transverse cylindrical opening 24, defining a clamping zone for receiving a stud 18.
  • the arms of the fork 16 take place between the flanges 42 to position the guide ring 20 in the plane and out of the plane of the support, but have no interaction direct with the inside of the cylindrical opening 24, so with the stud 18 if necessary.
  • the wall of the guide ring 20 has a through slot 44, defining a deformation zone, oriented in a plane perpendicular to the flanges 42.
  • the through slot 44 extends in the flanges 42 and radially opens the cylindrical opening 24.
  • This slot through 44 can advantageously be a tapping formed in the flanges and oriented perpendicularly to the plane of the support, allowing the passage of a tool 46 having a thread, as a sort of quote having a diameter slightly greater than that of the tapping and causing the removal of edges of the through slot 44 of one another and an enlargement of the section of the cylindrical opening 24.
  • the tapping is dimensioned and positioned so that the tool can be inserted in the presence of a stud 18 in the cylindrical opening 24.
  • the diameter of the tapping is substantially equal to the width of the flanges 42.
  • the guide ring 20 is arranged in such a way that the tapping is positioned on an axis passing between the two arms of the fork. fork 16, preferably on the side of the ring farthest from the support.
  • the flanges 42 in which the tapping is available are positioned beyond the end of the arms of the fork 16. It will be noted that the elasticity of the arms makes it possible to withstand the deformation of the guide ring 20.
  • the deformation zone could be of conical or frustoconical shape and a type of tool.
  • cylindrical or spherical shape having an intermediate diameter between the largest and the smallest diameter of the conical deformation zone, could be used to separate the walls of the deformation zone.
  • a reverse arrangement is also possible, with a tool of conical or frustoconical shape and a cylindrical deformation zone.
  • the insulator that is to say the deformation zone
  • the elastic clamping means are therefore in a clamping position, in which the clamping zone is thus able to hold a pin 18 positioned in the cylindrical opening 24.
  • the insulator which it constitutes moves towards its second state, in which it acts on the elastic clamping means so as to move them away to adopt a position of adjustment, in which the degrees of freedom of the pin 18 rotated about its longitudinal axis and in translation along its longitudinal axis, are allowed.
  • the insertion of the tool 46 spreads the walls of the clamping zone of the guide ring 20.
  • the deformation can be controlled manually as the thread progresses. If this is the case, it may be slightly tapered.
  • the deformation can be limited, for example with an ad hoc thread diameter, so that when the walls of the clamping zone are spaced apart, a stud 18 positioned in the cylindrical housing can be moved with a fatty friction in the cylindrical opening, to allow an axial and radial adjustment of the position of the stud 18.
  • the bolt carrier 10 makes it possible to adjust the position of the bolt 18 by having an action on the insulator from above or below the movement, and not laterally.
  • the resilient clamping means can effectively maintain a stud 18 whose portion accommodated in the stud holder 10, is cylindrical. It is therefore possible to adjust the position of the stud 18 both axially and radially. It will be noted that the setting or mounting of the stud 18 can be done with the hairspring already attached to the stud or not.
  • the invention also relates to an assembly comprising a stud holder 10 as described above and a stud 18 having a cylindrical body held in the elastic clamping means.
  • At least the adjusting step iii is performed with the outer end of a hairspring fixed in the stud 18.
  • the hairspring can be fixed to the pin 18 either after or before the step ii of positioning the stud 18 in the stud holder 10.
  • the insulator is brought into one or other of its states by a rotation action of the isolator itself, in the first embodiment, or a tool (the screw) in the second embodiment cooperating with the insulator, this rotation being performed along an axis perpendicular to the general plane of the bolt carrier 10.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Clamps And Clips (AREA)

Claims (17)

  1. Spiralklötzchenhalter (10), enthaltend:
    - eine Stütze (12), die dazu bestimmt ist, auf ein Gestell einer Uhr montiert zu werden,
    - Einrichtungen zum elastischen Einspannen (16, 40, 42), die ein Spiralklötzchen (18) auf der Stütze (12) einspannen können und eingerichtet sind, um die Freiheitsgrade des Spiralklötzchens (18) zu blockieren, wenn die Einrichtungen zum elastischen Einspannen (16, 40, 42) in einer Spannstellung sind,
    - einen Isolator (20), der auf den Spiralklötzchenhalter (10) montiert und fähig ist, mit den Einrichtungen zum elastischen Einspannen (16, 40, 42) zusammenzuwirken, und eingerichtet ist, um sich durch manuelle Einwirkung zu verändern zwischen:
    i. einem ersten Zustand, in dem der Isolator (20) keine Spannung auf die Einrichtungen zum elastischen Einspannen (16, 40, 42) ausübt,
    ii. mindestens einem zweiten Zustand, in dem er so auf die Einrichtungen zum elastischen Einspannen (16, 40, 42) einwirkt, dass er sie auseinanderspreizt, um eine Einstellposition anzunehmen, in der die Freiheitsgrade des Spiralklötzchens (18) in Drehung um seine Längsachse und in Translation entlang seiner Längsachse erlaubt sind.
  2. Spiralklötzchenhalter (10) nach Anspruch 1, wobei der Isolator (20) als vollständiger oder geschlitzter Ring geformt ist.
  3. Spiralklötzchenhalter (10) nach einem der Ansprüche 1 und 2, der eine allgemeine Ebene definiert, dadurch gekennzeichnet, dass der Isolator (10) für die manuelle Betätigung auf der Seite der allgemeinen Ebene zugänglich ist, die dazu bestimmt ist, der Seite gegenüberzuliegen, die dazu bestimmt ist, eine Spirale aufzuweisen.
  4. Spiralklötzchenhalter (10) nach einem der Ansprüche 1 bis 3, wobei die Einrichtungen zum elastischen Einspannen (16, 40, 42) fest mit dem Halter (12) verbunden sind.
  5. Spiralklötzchenhalter (10) nach Anspruch 4, dadurch gekennzeichnet, dass die Einrichtungen zum elastischen Einspannen (16, 40, 42) eine Gabel (16) umfassen, die von zwei sich in der allgemeinen Ebene erstreckenden Armen geformt ist, wobei mindestens einer der Arme in der allgemeinen Ebene elastisch verformbar ist.
  6. Spiralklötzchenhalter (10) nach Anspruch 5, dadurch gekennzeichnet, dass der Isolator (20) ein Führungsring (20) ist, der drehbeweglich zwischen den Armen der Gabel (16) im Bereich von Rillen montiert ist.
  7. Spiralklötzchenhalter (10) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die elastischen Einspanneinrichtungen (16, 40, 42) einen Führungsring (20) aufweisen, der elastisch auf den Halter (12) montiert ist.
  8. Spiralklötzchenhalter (10) nach Anspruch 7, wenn er von Anspruch 3 abhängt, wobei der Halter (12) eine Gabel (16) umfasst, die von zwei sich in der allgemeinen Ebene erstreckenden Armen geformt ist, wobei mindestens einer der Arme in der Ebene elastisch verformbar ist, wobei die Gabel (16) so eingerichtet ist, dass der Führungsring (20) elastisch zwischen den Armen montiert ist, dadurch gekennzeichnet, dass der Führungsring (20) einen im Wesentlichen zylindrischen Körper (40) enthält, dessen Höhe im Wesentlichen gleich der Dicke der Arme der Gabel (16) ist, wobei die Höhe des Körpers (40) zu beiden Seiten von einem Rand (42) begrenzt ist.
  9. Spiralklötzchenhalter (10) nach Anspruch 7 oder nach Anspruch 8, wobei der Ring (20) einen Einspannbereich enthält, der dazu bestimmt ist, das Spiralklötzchen (18) aufzunehmen, dadurch gekennzeichnet, dass der Isolator (20) ein Verformungsbereich ist, den der Führungsring (20) aufweist, wobei der Verformungsbereich mit einem externen Werkzeug (46) zusammenwirken kann, um den Einspannbereich elastisch zu verformen.
  10. Spiralklötzchenhalter (10) nach Anspruch 9, dadurch gekennzeichnet, dass der Verformungsbereich einen Schlitz (44) aufweist, der den Führungsring (20) durchquert und den Einspannbereich radial öffnet.
  11. Spiralklötzchenhalter (10) nach Anspruch 10, dadurch gekennzeichnet, dass der Schlitz (44) ein Innengewinde aufweist, das lotrecht zur allgemeinen Ebene ausgerichtet ist.
  12. Spiralklötzchenhalter (10) nach Anspruch 11, dadurch gekennzeichnet, dass das Innengewinde auf einer Achse positioniert ist, die zwischen den zwei Armen der Gabel (16) verläuft, vorzugsweise auf der Seite des Führungsrings (20), die am weitesten vom Halter (12) entfernt ist.
  13. Gesamtheit, die einen Spiralklötzchenhalter (10) nach einem der vorhergehenden Ansprüche und ein Spiralklötzchen (18) aufweist, das einen zylindrischen Körper hat, der in den Einrichtungen zum elastischen Einspannen (16, 40, 42) gehalten wird.
  14. Gesamtheit nach Anspruch 13, wobei eine Spirale im Spiralklötzchen (18) auf einer ersten Seite der vom Spiralklötzchenhalter (10) definierten allgemeinen Ebene angeordnet ist, wobei der Isolator (20) so angeordnet ist, dass er auf der Seite der allgemeinen Ebene, die entgegengesetzt zu der die Spirale aufweisenden Seite ist, zugänglich ist.
  15. Verfahren zur Einstellung der Position eines Spiralklötzchens (18) in einem Spiralklötzchenhalter (10) nach einem der Ansprüche 1 bis 12, das die folgenden Schritte enthält:
    i. Versetzen des Isolators (20) in seinen zweiten Zustand,
    ii. Positionieren des Spiralklötzchens (18) in den Einrichtungen zum elastischen Einspannen (16, 40, 42),
    iii. Einstellen der Position des Spiralklötzchens (18) in Drehung um seine Längsachse und in Translation gemäß seiner Längsachse,
    iv. Versetzen des Isolators (20) in seinen ersten Zustand.
  16. Verfahren nach Anspruch 15, dadurch gekennzeichnet, dass mindestens der Einstellschritt iii mit dem äußeren Ende einer im Spiralklötzchen (18) befestigten Spirale ausgeführt wird.
  17. Verfahren nach einem der Ansprüche 15 und 16, dadurch gekennzeichnet, dass der Isolator (20) durch eine Drehbetätigung des Isolators (20) oder eines mit dem Isolator (20) zusammenwirkenden Werkzeugs (46) in den einen oder anderen seiner Zustände gebracht wird, wobei diese Drehung gemäß einer Achse lotrecht zur allgemeinen Ebene des Spiralklötzchenhalters (10) ausgeführt wird.
EP17188234.3A 2016-08-29 2017-08-29 Spiralklötzchenträger und regulierungsverfahren der position eines spiralklötzchens in einem solchen spiralklötzchenträger Active EP3293585B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01105/16A CH712854A1 (fr) 2016-08-29 2016-08-29 Porte-piton et procédé de réglage de la position d'un piton dans un tel porte-piton.

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EP3293585A1 EP3293585A1 (de) 2018-03-14
EP3293585B1 true EP3293585B1 (de) 2019-07-24

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EP17188234.3A Active EP3293585B1 (de) 2016-08-29 2017-08-29 Spiralklötzchenträger und regulierungsverfahren der position eines spiralklötzchens in einem solchen spiralklötzchenträger

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6703203B1 (ja) * 2020-01-29 2020-06-03 セイコーウオッチ株式会社 ひげぜんまい調整機構、てんぷ受ユニット、ムーブメント及び時計
EP4296790A1 (de) * 2022-06-21 2023-12-27 ETA SA Manufacture Horlogère Suisse Spiralklötzchenträgervorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH76336A (fr) * 1917-07-16 1917-12-01 Edouard Glauser Dispositif de fixation de piton porte-spiral
JPS509027Y1 (de) * 1970-07-27 1975-03-18
JPS5291150U (de) * 1975-12-29 1977-07-07

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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CH712854A1 (fr) 2018-03-15

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