EP0027671B1 - Device for winding up and setting a time measuring instrument - Google Patents

Device for winding up and setting a time measuring instrument Download PDF

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Publication number
EP0027671B1
EP0027671B1 EP80200963A EP80200963A EP0027671B1 EP 0027671 B1 EP0027671 B1 EP 0027671B1 EP 80200963 A EP80200963 A EP 80200963A EP 80200963 A EP80200963 A EP 80200963A EP 0027671 B1 EP0027671 B1 EP 0027671B1
Authority
EP
European Patent Office
Prior art keywords
stem
pinion
winding
spring
barrel
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.)
Expired
Application number
EP80200963A
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German (de)
French (fr)
Other versions
EP0027671A1 (en
Inventor
Vincent Calabrese
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.)
CORUM RIES BANNWART AND Co
Original Assignee
CORUM RIES BANNWART AND Co
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 CORUM RIES BANNWART AND Co filed Critical CORUM RIES BANNWART AND Co
Publication of EP0027671A1 publication Critical patent/EP0027671A1/en
Application granted granted Critical
Publication of EP0027671B1 publication Critical patent/EP0027671B1/en
Expired legal-status Critical Current

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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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/06—Forming the passage for the winding stem through the case; Divided winding stems
    • G04B37/068—Stem passage not being part of the layout of the clockwork

Definitions

  • the present invention relates to a device for winding and setting the time of a timepiece, in which the winding rod is slidably mounted in the hollow shaft of the barrel and carries a pinion intended to come into engagement. with a timer wheel.
  • the present invention aims to produce a device capable of being mounted on a dust-tight crown and of low height, using the space included in the height of the barrel.
  • the device according to the invention meets these requirements.
  • the winding mechanism is entirely housed inside the barrel shaft, within the thickness of the barrel.
  • the rod can be fixed in the usual way to a dust-tight crown. The whole is particularly compact.
  • the drawing partially shows, in section, a watch case housing a movement, for example an elongated, narrow movement, comprising a plate 1 and a lower bridge 2 between which is mounted a barrel 3 provided with a ratchet 4 fixed to the barrel shaft or plug 5, the ratchet being pivoted in the plate 1 by means of a stone 6, while the shaft 5 is pivoted in the bridge 2 by means of a stone 7.
  • the movement is fixed directly against the bottom of the box 8.
  • the rest of the box for example a narrow rectangular box, has not been shown. The same applies to the mainspring housed in the barrel 3.
  • the hollow shaft 5 of the barrel is crossed by a winding rod made up of two added parts 9 and 10.
  • the cylindrical part 9 is provided with a square 11 by which it is coupled to the end of the other part 10 of the rod.
  • the part 9 freely crosses the ratchet 4 and it is pivoted in an upper bridge 12 of the movement.
  • On the rod 9 is fixed a pinion 13 intended to come into engagement with the timer.
  • a domed spring 15 Between the pinion 13 and the upper bridge 12 is mounted a domed spring 15, said foil, working in compression and having a tendency to push back the pinion 13, and consequently the winding rod, in the direction, of the plate.
  • the rod portion 9 also freely crosses a part 16 slidingly mounted in a housing 17 of the barrel shaft 5 and abutting against a bearing surface of this shaft.
  • This part 16 plays the role of a sliding pinion and has a Bréguet toothing 18.
  • the part 16 is subjected to the action of a convex return spring 19 similar to the spring 15, pressing against the ratchet 4.
  • the part 16 does not have a second toothing but is made integral with the shaft 5 by a simple flat 16a. Any other shape that is not completely circular could be suitable for this purpose.
  • the other part of the rod 10 is also provided with a Bréguet toothing 20 cooperating with the Bréguet toothing 18 of the part 16.
  • the rod part 10 also has two grooves 21 and 22 separated by a double cone 23 cooperating with a spring 24, in the form of a washer, housed in a recess of a circular part 25 playing the role of a tube for a crown 26, and retained by the stone 7.
  • This spring 24 plays the role of a pull spring. It positions the rod in its respective winding (fig. 1) and time setting (fig. 2) positions by its two grooves 21 and 22.
  • the rod is fixed to the crown 26 by a nut 27 housed in the crown, which is screwed onto the threaded end of the rod, which is secured in rotation to the crown 26 by a square 28.
  • the dust-tightness is achieved, in a manner known per se, by means of a seal 0 - ring 29 housed in a groove in the tube 25 and resting on the smooth core of the crown.
  • the invention is of course not limited to the embodiment described, but many variants are possible both in the production of the “sliding pinion”, of the clutch, and of the crown.

Abstract

A winding and setting arrangement for a timepiece comprises a two-part stem extending through the hollow shaft of the spring drum. The outer part of the stem is affixed at its outer end to a crown and at its inner end has Breguet teeth which, in an inner position of the stem, are engageable with Breguet teeth of a connecting member which is non-rotatable but axially movable in a cavity in the hollow spring drum shaft. A spring urges the connecting member outwardly against a shoulder in the shaft. The inner part of the stem is coupled with the outer part by a square section so that the two parts rotate together but are axially movable relative to one another. The inner stem part passes freely through the connecting member and, inwardly of the spring drum, carries a pinion which is engageable with a setting wheel in an outer position of the stem. A spring urges the inner stem part outwardly.

Description

La présente invention a pour objet un dispositif de remontage et de mise à l'heure de pièce d'horlogerie, dans lequel la tige de remontoir est montée coulissante dans l'arbre, creux, du barillet et porte un pignon destiné à venir en prise avec une roue de la minuterie.The present invention relates to a device for winding and setting the time of a timepiece, in which the winding rod is slidably mounted in the hollow shaft of the barrel and carries a pinion intended to come into engagement. with a timer wheel.

Un tel dispositif est décrit dans le brevet CH-A-128779. Dans ce dispositif antérieur, développé pour équiper des mouvements étroits du type baguette, dans lesquels il est difficile, vu le manque de place, de disposer la tige de remontoir parallèlement au cadran, l'embrayage, du type Bréguet, est réalisé entre la couronne et une roue montée sur un prolongement de l'arbre du barillet. Cette disposition des organes d'embrayage rend impossible une réalisation étanche à la poussière. Le prolongement de l'arbre de barillet rend d'autre part l'ensemble relativement haut.Such a device is described in patent CH-A-128779. In this prior device, developed to equip narrow movements of the baguette type, in which it is difficult, given the lack of space, to have the winding rod parallel to the dial, the clutch, of the Bréguet type, is produced between the crown and a wheel mounted on an extension of the barrel shaft. This arrangement of the clutch members makes it impossible to make it dust-proof. The extension of the barrel shaft on the other hand makes the assembly relatively high.

La présente invention vise à réaliser un dispositif susceptible d'être monté sur une couronne étanche à la poussière et de faible hauteur, utilisant l'espace compris dans la hauteur du barillet.The present invention aims to produce a device capable of being mounted on a dust-tight crown and of low height, using the space included in the height of the barrel.

Le dispositif selon l'invention, tel que défini par la revendication 1, satisfait ces exigences. Le mécanisme de remontage est entièrement logé à l'intérieur de l'arbre du barillet, dans l'épaisseur du barillet. La tige peut être fixée de manière usuelle à une couronne étanche à la poussière. L'ensemble est particulièrement compact.The device according to the invention, as defined by claim 1, meets these requirements. The winding mechanism is entirely housed inside the barrel shaft, within the thickness of the barrel. The rod can be fixed in the usual way to a dust-tight crown. The whole is particularly compact.

Le dessin annexé représente, à titre d'exemple, une forme d'exécution de l'invention.

  • La figure 1 représente une vue en coupe axiale du dispositif en position de remontage.
  • La figure 2 représente le même dispositif en position de mise à l'heure.
The accompanying drawing shows, by way of example, an embodiment of the invention.
  • Figure 1 shows an axial sectional view of the device in the reassembly position.
  • Figure 2 shows the same device in the time setting position.

Le dessin montre partiellement, en coupe, une boîte de montre abritant un mouvement, par exemple un mouvement allongé, étroit, comprenant une platine 1 et un pont inférieur 2 entre lesquels est monté un barrillet 3 muni d'un rochet 4 fixé à l'arbre ou bonde du barillet 5, le rochet étant pivoté dans la platine 1 par l'intermédiaire d'une pierre 6, tandis que l'arbre 5 est pivoté dans le pont 2 par l'intermédiaire d'une pierre 7. Le mouvement est fixé directement contre le fond de boîte 8. Le reste de la boîte, par exemple une boîte rectangulaire étroite n'a pas été représenté. Il en est de même du ressort moteur logé dans le barillet 3.The drawing partially shows, in section, a watch case housing a movement, for example an elongated, narrow movement, comprising a plate 1 and a lower bridge 2 between which is mounted a barrel 3 provided with a ratchet 4 fixed to the barrel shaft or plug 5, the ratchet being pivoted in the plate 1 by means of a stone 6, while the shaft 5 is pivoted in the bridge 2 by means of a stone 7. The movement is fixed directly against the bottom of the box 8. The rest of the box, for example a narrow rectangular box, has not been shown. The same applies to the mainspring housed in the barrel 3.

L'arbre creux 5 du barillet est traversé par une tige de remontoir constituée de deux parties 9 et 10 rapportées. La partie 9, cylindrique, est munie d'un carré 11 par lequel elle est accouplée à l'extrémité de l'autre partie 10 de la tige. La partie 9 traverse librement le rochet 4 et elle est pivotée dans un pont supérieur 12 du mouvement. Sur la tige 9 est fixé un pignon 13 destiné à venir et en prise avec la minuterie. Entre le pignon 13 et le pont supérieur 12 est monté un ressort bombé 15, dit clinquant, travaillant en compression et ayant tendance à repousser le pignon 13, et par conséquent la tige de remontoir, en direction,de la platine.The hollow shaft 5 of the barrel is crossed by a winding rod made up of two added parts 9 and 10. The cylindrical part 9 is provided with a square 11 by which it is coupled to the end of the other part 10 of the rod. The part 9 freely crosses the ratchet 4 and it is pivoted in an upper bridge 12 of the movement. On the rod 9 is fixed a pinion 13 intended to come into engagement with the timer. Between the pinion 13 and the upper bridge 12 is mounted a domed spring 15, said foil, working in compression and having a tendency to push back the pinion 13, and consequently the winding rod, in the direction, of the plate.

La partie de tige 9 traverse en outre librement une pièce 16 montée coulissante dans un logement 17 de l'arbre de barillet 5 et venant buter contre une portée de cet arbre. Cette pièce 16 joue le rôle d'un pignon coulant et présente une denture Bréguet 18. La pièce 16 est soumise à l'action d'un ressort de rappel bombé 19 analogue au ressort 15, s'appuyant contre le rochet 4. Contrairement à un pignon coulant usuel la pièce 16 ne présente pas de seconde denture mais est rendue solidaire de l'arbre 5 par un simple méplat 16a. Toute autre forme non totalement circulaire pourrait convenir à cet effet.The rod portion 9 also freely crosses a part 16 slidingly mounted in a housing 17 of the barrel shaft 5 and abutting against a bearing surface of this shaft. This part 16 plays the role of a sliding pinion and has a Bréguet toothing 18. The part 16 is subjected to the action of a convex return spring 19 similar to the spring 15, pressing against the ratchet 4. Unlike a usual sliding pinion the part 16 does not have a second toothing but is made integral with the shaft 5 by a simple flat 16a. Any other shape that is not completely circular could be suitable for this purpose.

L'autre partie de tige 10 est également munie d'une denture Bréguet 20 coopérant avec la denture Bréguet 18 de la pièce 16. La partie de tige 10 présente en outre deux gorges 21 et 22 séparées par un double cône 23 coopérant avec un ressort 24, en forme de rondelle, logé dans une creusure d'une pièce circulaire 25 jouant le rôle d'un tube pour une couronne 26, et retenu par la pierre 7. Ce ressort 24 joue le rôle d'un ressort de tirette. Il positionne la tige dans ses positions respectives de remontage (fig. 1) et de mise à l'heure (fig. 2) par ses deux gorges 21 et 22. La tige est fixée à la couronne 26 par un écrou 27 logé dans la couronne, venant se visser sur l'extrémité filetée de la tige, laquelle est solidarisée en rotation de la couronne 26 par un carré 28. L'étanchéité à la poussière est réalisée, de manière connue en soi, au moyen d'un joint 0- ring 29 logé dans une gorge du tube 25 et s'appuyant sur le noyau lisse de la couronne.The other part of the rod 10 is also provided with a Bréguet toothing 20 cooperating with the Bréguet toothing 18 of the part 16. The rod part 10 also has two grooves 21 and 22 separated by a double cone 23 cooperating with a spring 24, in the form of a washer, housed in a recess of a circular part 25 playing the role of a tube for a crown 26, and retained by the stone 7. This spring 24 plays the role of a pull spring. It positions the rod in its respective winding (fig. 1) and time setting (fig. 2) positions by its two grooves 21 and 22. The rod is fixed to the crown 26 by a nut 27 housed in the crown, which is screwed onto the threaded end of the rod, which is secured in rotation to the crown 26 by a square 28. The dust-tightness is achieved, in a manner known per se, by means of a seal 0 - ring 29 housed in a groove in the tube 25 and resting on the smooth core of the crown.

Dans la position représentée à la figure 1, on voit que les deux dentures Bréguet 18 et 20 sont en prise, la rotation, dans le sens horaire, de la couronne 26 entraînant l'arbre de barillet pour l'armage du ressort. Lorsqu'on tourne la couronne dans le sens anti-horaire la denture Bréguet 20 glisse sur la denture 18 en repoussant la pièce 16 à l'encontre du ressort 19.In the position shown in Figure 1, we see that the two Bréguet teeth 18 and 20 are engaged, the rotation, clockwise, of the crown 26 driving the barrel shaft for winding the spring. When the crown is turned anti-clockwise, the Bréguet toothing 20 slides on the toothing 18, pushing the part 16 against the spring 19.

Dans la position représentée à la figure 2 la couronne 26 est écartée du fond 8 et la denture Bréguet 20 n'est plus en prise avec la denture 18. Par contre, le pignon 13 est en prise avec le renvoi 14 permettant ainsi la mise à l'heure. Il convient de relever que la présence du ressort 15 permet d'éviter un chassage de la partie 9 de la tige dans la partie 10.In the position shown in Figure 2 the crown 26 is spaced from the bottom 8 and the Bréguet toothing 20 is no longer engaged with the toothing 18. By cons, the pinion 13 is engaged with the reference 14 thus allowing the setting time. It should be noted that the presence of the spring 15 makes it possible to avoid driving part 9 of the rod into part 10.

l'invention n'est bien entendu pas limitée à la forme d'exécution décrite, mais de nombreuses variantes sont possibles tant dans la réalisation du « pignon coulant », de l'embrayage, que de la couronne.the invention is of course not limited to the embodiment described, but many variants are possible both in the production of the “sliding pinion”, of the clutch, and of the crown.

Claims (4)

1. Device for winding and setting to time a clockwork, wherein the winding stem is slidably mounted in the hollow arbor (5) of the barrel and carries a pinion (13) adapted to be brought into meshing engagement with a minute wheel, characterized by the fact that the stem consists of two axially movable insert sections of which one (9) rigid with the pinion (13) extends freely through a clutch member (16) rotatably solid with the barrel arbor (5), inside this arbor, and adapted to engage clutch means (20) provided on the other section (10) of the stem which is rigid with a waterproof winding button, said pinion (13) and said pinion (13) and said one stem section (9) rigid therewith being responsive to the action of a spring (15) causing the axial movement of the assembly and the meshing engagement between the pinion (13) and the minute wheel (14) when the winding button is moved to the time setting position.
2. Device according to claim 1, characterized by the fact that the clutch means provided on one of the stem sections are formed integrally with this section.
3. Device according to claim 1, characterized in that the two sections of the stem are coupled through square-sectioned means.
4. Device according to claim 1, characterized by the fact that said clutch member (16) provided with Bréguet teeth is slidably mounted in the barrel arbor (5) against the action of a spring (19) urging same in abutment against a shoulder of the barrel arbor.
EP80200963A 1979-10-19 1980-10-13 Device for winding up and setting a time measuring instrument Expired EP0027671B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH940079A CH632369B (en) 1979-10-19 1979-10-19 WINDING AND TIME-SETTING DEVICE FOR A WATCH PART.
CH9400/79 1979-10-19

Publications (2)

Publication Number Publication Date
EP0027671A1 EP0027671A1 (en) 1981-04-29
EP0027671B1 true EP0027671B1 (en) 1983-03-30

Family

ID=4351601

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80200963A Expired EP0027671B1 (en) 1979-10-19 1980-10-13 Device for winding up and setting a time measuring instrument

Country Status (5)

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US (1) US4362395A (en)
EP (1) EP0027671B1 (en)
JP (1) JPS5924398B2 (en)
CH (1) CH632369B (en)
DE (1) DE3062548D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3540727A1 (en) * 1985-11-16 1987-05-21 Keiper Recaro Gmbh Co ACTUATOR DEVICE FOR SEATS, IN PARTICULAR MOTOR VEHICLE SEATS
JPS6325599U (en) * 1986-07-31 1988-02-19
US7360944B2 (en) * 2003-10-24 2008-04-22 Richemont International Sa Control device with a disengageable crown for a wristwatch
MX2014005834A (en) * 2013-05-17 2014-11-24 J R Internat Gmbh Watchcase.
JP6653731B2 (en) * 2018-06-13 2020-02-26 セイコーインスツル株式会社 Barrel assembly, movement and clock
US11921464B2 (en) 2019-05-20 2024-03-05 Citizen Watch Co., Ltd. Timepiece
EP4080294B1 (en) * 2021-04-20 2023-10-25 Meco SA External control mechanism for a timepiece

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US720258A (en) * 1902-04-19 1903-02-10 Christopher Kuenzel Stem winding and setting watch.
US1845440A (en) * 1927-10-13 1932-02-16 Piguet Frederic Timepiece winding and setting mechanism
CH128779A (en) * 1927-10-13 1928-11-16 Frederic Piguet Device for winding and setting the time of a timepiece.
DE1212893B (en) * 1959-03-26 1966-03-17 Ebauches Sa Winding and pointer setting device for watches with a winding shaft perpendicular to the plane of the dial
CH582908B5 (en) * 1971-10-14 1976-12-15 Omega Brandt & Freres Sa Louis
JPS5044865A (en) * 1973-08-24 1975-04-22
JPS5046161A (en) * 1973-08-28 1975-04-24
CH609516GA3 (en) * 1976-02-19 1979-03-15 Ebauches Electroniques Sa WATCH PART.

Also Published As

Publication number Publication date
JPS5689078A (en) 1981-07-20
US4362395A (en) 1982-12-07
CH632369GA3 (en) 1982-10-15
JPS5924398B2 (en) 1984-06-08
DE3062548D1 (en) 1983-05-05
EP0027671A1 (en) 1981-04-29
CH632369B (en)

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