EP0563745B1 - Clockwork provided with guide means of a control organ such as a stem - Google Patents

Clockwork provided with guide means of a control organ such as a stem Download PDF

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Publication number
EP0563745B1
EP0563745B1 EP93104721A EP93104721A EP0563745B1 EP 0563745 B1 EP0563745 B1 EP 0563745B1 EP 93104721 A EP93104721 A EP 93104721A EP 93104721 A EP93104721 A EP 93104721A EP 0563745 B1 EP0563745 B1 EP 0563745B1
Authority
EP
European Patent Office
Prior art keywords
plate
bar
fact
control member
train
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 - Lifetime
Application number
EP93104721A
Other languages
German (de)
French (fr)
Other versions
EP0563745A1 (en
Inventor
Edwin Jakob
Siegfried Grau
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
Ebauchesfabrik ETA AG
Original Assignee
Ebauchesfabrik ETA AG
Eta SA Fabriques dEbauches
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Publication date
Application filed by Ebauchesfabrik ETA AG, Eta SA Fabriques dEbauches filed Critical Ebauchesfabrik ETA AG
Publication of EP0563745A1 publication Critical patent/EP0563745A1/en
Application granted granted Critical
Publication of EP0563745B1 publication Critical patent/EP0563745B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks
    • 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

Definitions

  • the invention relates to a timepiece movement of the aforementioned type, provided with means intended to allow the rod to be guided.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Transmission Devices (AREA)

Description

La présente invention concerne un mouvement d'horlogerie comportant, d'une part, des moyens horométriques formés par des mobiles d'engrènement capables de fournir une information horaire, et d'autre part, au moins un organe de commande, tel qu'une tige, destiné à agir sur ces moyens horométriques.The present invention relates to a timepiece movement comprising, on the one hand, timekeeping means formed by engagement mobiles capable of providing time information, and on the other hand, at least one control member, such as a rod, intended to act on these horometric means.

Plus particulièrement, l'invention concerne un mouvement d'horlogerie du type susmentionné, muni de moyens destinés à permettre le guidage de la tige.More particularly, the invention relates to a timepiece movement of the aforementioned type, provided with means intended to allow the rod to be guided.

Dans les mouvements d'horlogerie classiques, la tige de commande est généralement guidée par l'intermédiaire de son extrémité libre qui est logée dans un orifice de guidage ménagé dans une platine du mouvement.In conventional watch movements, the control rod is generally guided via its free end which is housed in a guide orifice formed in a plate of the movement.

L'orifice de guidage est formé par un perçage latéral ménagé directement dans la platine.The guide hole is formed by a lateral hole made directly in the plate.

Ce perçage est couteux à réaliser car il nécessite plusieurs opérations de manutention ainsi qu'un travail d'usinage long et obligatoirement très précis.This drilling is expensive to perform because it requires several handling operations as well as a long and necessarily very precise machining work.

D'autre part, le document FR-A-2 143 676 décrit un système de guidage d'une tige de remontoir dans un mouvement de montre qui comprend trois éléments. Ces trois éléments sont constitués par une platine, un palier en plastique moulé, porté par un pont, qui sert également d'entretoise entre ce pont et la platine et une broche pressée dans cette dernière.On the other hand, the document FR-A-2 143 676 describes a system for guiding a winding stem in a watch movement which comprises three elements. These three elements consist of a plate, a molded plastic bearing, carried by a bridge, which also serves as a spacer between this bridge and the plate and a pin pressed into the latter.

Dans ce système, le palier en plastique assure à lui seul le guidage latéral de la tige et, en collaboration avec la platine et la broche, le guidage en hauteur de cette tige.In this system, the plastic bearing alone provides lateral guidance of the rod and, in collaboration with the plate and the spindle, the height guidance of this rod.

Enfin, le document EP-A-O 131 858 décrit, lui, une montre dont la boîte métallique est constituée par un empilement de plaques et dont la tige de mise à l'heure est montée pivotante dans un tube qui est logé et collé dans des ouvertures que comportent certaines de ces plaques.Finally, document EP-AO 131,858 describes a watch, the metal case of which consists of a stack of plates and whose time-setting rod is pivotally mounted in a tube which is housed and glued into openings which some of these plates have.

Cela dit, la présente invention a pour but de fournir un mouvement d'horlogerie comportant des moyens de guidage de la tige, qui soient réalisables facilement et à un coût très faible.That said, the object of the present invention is to provide a timepiece movement comprising means for guiding the rod, which can be produced easily and at a very low cost.

A cet effet, l'invention a pour objet un mouvement d'horlogerie comportant des moyens horométriques capables de fournir une information horaire, un organe de commande destiné à agir sur ces moyens horométriques et des moyens de guidage comprenant trois pièces de guidage, dont une platine, qui forment entre elles un logement dans lequel ledit organe de commande est reçu librement et guidé axialement et/ou en rotation, caractérisé par le fait que les deux autres pièces de guidage sont constituées par un pont de rouage et un pont de centre qui est monté et maintenu en place en sandwich entre le pont de rouage et la platine et qui supporte en rotation au moins un mobile appartenant aux moyens horométriques et dont l'axe est guidé par ledit pont de rouage.To this end, the subject of the invention is a timepiece movement comprising horometric means capable of providing time information, a control member intended to act on these horometric means and guide means comprising three guide parts, one of which plate, which form between them a housing in which said control member is freely received and guided axially and / or in rotation, characterized in that the two other guide parts consist of a gear train and a center bridge which is mounted and held in place sandwiched between the gear train and the plate and which rotatably supports at least one mobile belonging to the timekeeping means and whose axis is guided by said gear train.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit, faite en référence aux dessins annexés qui sont donnés uniquement à titre d'exemple, et dans lesquels:

  • la figure 1 est une vue en coupe d'un mouvement d'horlogerie selon l'invention représenté ici de façon partielle, cette vue étant faite selon la ligne I-I de la figure 2; et
  • la figure 2 est une vue de dessus faite selon la flèche II de la figure 1 mais représentant uniquement un pont de rouage et un pont de centre du mouvement selon l'invention.
Other characteristics and advantages of the invention will appear on reading the detailed description which follows, given with reference to the appended drawings which are given solely by way of example, and in which:
  • Figure 1 is a sectional view of a timepiece movement according to the invention shown here partially, this view being taken along line II of Figure 2; and
  • Figure 2 is a top view taken along arrow II of Figure 1 but showing only a gear train and a center of movement bridge according to the invention.

Comme on le voit sur la figure 1, le mouvement selon l'invention qui est représenté par la référence générale M, comporte une platine 1, un pont de centre 2 et un pont de rouage 4 qui supportent des moyens horométriques H capables de fournir une information horaire, telle que l'heure, les minutes, et dans cet exemple la seconde.As can be seen in FIG. 1, the movement according to the invention which is represented by the general reference M, comprises a plate 1, a center bridge 2 and a bridge gear train 4 which supports timekeeping means H capable of providing time information, such as the hour, the minutes, and in this example the second.

Les moyens horométriques H comportent un certain nombre de mobiles formés respectivement par un mobile de minuterie 6, un renvoi de seconde 8 et une roue de minuterie 10.The horometric means H comprise a certain number of mobiles formed respectively by a timer mobile 6, a second gear 8 and a timer wheel 10.

Le mobile de minuterie 6 comporte un canon des heures 12 portant une roue 14 engrenant avec la roue de minuterie 10 qui est montée directement sur un tenon 16 ménagé sur la platine 1.The timer mobile 6 includes an hour cannon 12 carrying a wheel 14 meshing with the timer wheel 10 which is mounted directly on a lug 16 formed on the plate 1.

Le mobile de minuterie 6 comporte de plus une chaussée 18 qui supporte le canon des heures 12 et qui comprend, chassés sur celle-ci, d'une part, un pignon des minutes 20 engrenant avec la roue de minuterie 10, et d'autre part, une roue des minutes 22 engrenant avec le renvoi de seconde 8.The timer mobile 6 further comprises a carriageway 18 which supports the 12 hour cannon and which comprises, driven thereon, on the one hand, a minute pinion 20 meshing with the timer wheel 10, and on the other hand, a minute wheel 22 meshing with the second gear 8.

La chaussée 18 est montée mobile en rotation sur un canon fixe 24 dont l'embase 26 est chassée dans le pont de centre 2.The roadway 18 is mounted mobile in rotation on a fixed barrel 24 whose base 26 is driven into the center bridge 2.

Le pont de centre 2 assure donc le support du canon des heures 12 et de la chaussée 18 par l'intermédiaire du canon fixe 24.The center bridge 2 therefore provides support for the hour cannon 12 and the carriageway 18 via the fixed cannon 24.

Le mobile 6 comprend en outre un axe des secondes 28 qui est lui aussi supporté par le pont de centre 2 en étant logé à rotation dans le canon fixe 24.The mobile 6 also comprises a seconds axis 28 which is also supported by the center bridge 2 while being housed in rotation in the fixed barrel 24.

L'axe des secondes 28 est par ailleurs guidé par le pont de rouage 4 dans lequel il est monté à rotation.The seconds axis 28 is also guided by the gear train 4 in which it is rotatably mounted.

L'axe des secondes 28 comporte, chassés sur celui-ci, un pignon des secondes 30 engrenant avec le renvoi de seconde 8, et une roue d'entraînement 32 en prise avec les moyens moteur du mouvement M, non représentés.The seconds axis 28 comprises, driven thereon, a seconds pinion 30 meshing with the second gear 8, and a drive wheel 32 engaged with the motor means of the movement M, not shown.

On remarque par ailleurs que le renvoi de seconde 8 est guidé par le pont de rouage 4 et par la platine 1 entre lesquels il est monté libre en rotation.We also note that the second gear 8 is guided by the gear train 4 and by the plate 1 between which it is mounted free to rotate.

Le mouvement M selon l'invention comporte de plus une tige de mise à l'heure 34 formant un organe de commande destiné à agir sur les moyens horométriques H de façon classique.The movement M according to the invention further comprises a time-setting rod 34 forming a control member intended to act on the timekeeping means H in a conventional manner.

Sur cette tige 34 est monté aussi de façon classique un pignon coulant 36 capable d'engrener avec la roue de minuterie 10 qui forme ici renvoi de mise à l'heure. La tige 34 est conformée pour pouvoir se déplacer axialement selon un axe géométrique A ainsi qu'en rotation autour de cet axe. L'invention n'est pas limitée à ce type d'organe de commande et peut s'appliquer à des organes de commande présentant uniquement, soit un déplacement axial, soit un déplacement en rotation.On this rod 34 is also conventionally mounted a sliding pinion 36 capable of meshing with the timer wheel 10 which here forms the time setting reference. The rod 34 is shaped to be able to move axially along a geometric axis A as well as in rotation about this axis. The invention is not limited to this type of control member and can be applied to control members having only either an axial displacement or a rotation movement.

La tige 34 comporte une extrémité libre E qui est guidée par la platine 1, par le pont de centre 2 et par le pont de rouage 4.The rod 34 has a free end E which is guided by the plate 1, by the center bridge 2 and by the gear train bridge 4.

En effet, et comme on peut le voir sur la figure 2, le pont de centre 2 qui forme une pièce intercalaire entre les deux autres pièces 1 et 4, comporte une rainure débouchante 38 orientée selon l'axe de commande géométrique A et dans laquelle est logée et peut se déplacer l'extrémité libre E.Indeed, and as can be seen in Figure 2, the center bridge 2 which forms an intermediate piece between the other two parts 1 and 4, has a through groove 38 oriented along the geometric control axis A and in which is housed and can move the free end E.

Cette rainure 38 assure le guidage latéral de l'extrémité libre E qui est de plus emprisonnée de part et d'autre par le pont de rouage 4 et par la platine 1.This groove 38 provides lateral guidance of the free end E which is also trapped on either side by the gear train 4 and by the plate 1.

A cet effet, la platine 1 et le pont de rouage 4 comportent respectivement des bossages 40 et 42 qui font saillie dans la rainure 38.To this end, the plate 1 and the gear train 4 respectively comprise bosses 40 and 42 which project into the groove 38.

On remarquera (figure 2) que le pont de rouage 4 est constitué par une pièce emboutie sur laquelle sont ménagées trois pieds 44, 46 et 48.It will be noted (FIG. 2) that the gear train 4 is constituted by a stamped part on which three feet 44, 46 and 48 are formed.

Les pieds 44 et 46 reposent directement sur le pont de centre 2 et sont maintenus fixement sur celui-ci, tandis que le pied 48 repose directement sur la platine 1 (non représentée sur la figure 2).The feet 44 and 46 rest directly on the center bridge 2 and are fixedly held thereon, while the foot 48 rests directly on the plate 1 (not shown in Figure 2).

On remarquera que le bossage 42 est ménagé sur le pied 44, au voisinage du point d'ancrage 50 qui assure la fixation du pont de rouage 4 sur le pont de centre 2.It will be noted that the boss 42 is formed on the foot 44, in the vicinity of the anchor point 50 which ensures the fixing of the gear train bridge 4 on the center bridge 2.

Les bossages 40 et 42 sont ménagés au voisinage des bords respectivement du pont de rouage 4 et de la platine 1.The bosses 40 and 42 are formed in the vicinity of the edges respectively of the gear train 4 and of the plate 1.

On comprend donc que l'extrémité libre E de la tige 34 est logée et maintenue entre le pont de rouage 4 et la platine 1 mais aussi dans le pont de centre 2 qui est monté en sandwich entre le pont de rouage 4 et la platine 1.It is therefore understood that the free end E of the rod 34 is housed and maintained between the gear train 4 and the plate 1 but also in the center bridge 2 which is sandwiched between the gear train 4 and the plate 1 .

Ainsi, le pont de rouage 4, le pont de centre 2 et la platine 1 forment trois pièces de guidage montées et maintenues l'une sur l'autre en sandwich pour former entre elles un logement dans lequel est reçu librement l'organe de commande 34, et plus particulièrement son extrémité libre E.Thus, the gear train bridge 4, the center bridge 2 and the plate 1 form three guide parts mounted and held one on the other in a sandwich form to form between them a housing in which the control member is freely received. 34, and more particularly its free end E.

Plus précisément, de par leur fonction de pont ou de platine, ces trois pièces de guidage 1, 2 et 4 forment en outre des supports en rotation d'au moins un mobile 6, 8, ou 10 appartenant aux moyens horométriques H.More precisely, by virtue of their bridge or platinum function, these three guide parts 1, 2 and 4 form in in addition to the rotating supports of at least one mobile 6, 8, or 10 belonging to the horometric means H.

On comprend donc que l'on a réalisé des moyens de guidage de l'organe de commande 34, qui sont peu coûteux et qui ne nécessitent aucun usinage précis dans la matière, ni aucune opération supplémentaire de manipulation.It is therefore understood that there has been produced means for guiding the control member 34, which are inexpensive and which require no precise machining in the material, nor any additional handling operation.

Claims (5)

  1. Horological movement having horometric means (H) capable of supplying a time information, a control member (34) adapted to act on these horometric means (H) and guide means comprising three guide parts (1, 2, 4), one of which is a plate (1), which form therebetween a seating in which said control member is freely received and guided axially and/or in rotation, characterized by the fact that the two other guide parts are constituted by a train bar (4) and a centre bar (2) which is mounted and maintained sandwiched between the train bar (4) and the plate (1) and which ensures the support in rotation of at least one train (6) belonging to the horometric means (H) and the shaft (28) of which is guided by said train bar.
  2. Movement according to claim 1, characterized by the fact that said centre bar (2) has an opening groove (38) which is oriented along the axis (A) of the control member (34) and which guides this member laterally.
  3. Movement according to claim 2, characterized by the fact that said plate (1) and said train bar (4) have respectively bosses (40, 42) which penetrate the groove (38) of the centre bar (2).
  4. Movement according to any one of the preceding claims, characterized by the fact that said centre bar (2) ensures the support of a motion-work (6).
  5. Movement according to any one of the preceding claims, characterized by the fact that said control member comprises a hand-setting shaft (34) which supports a sliding pinion (36) and has a free extremity which is guided by said guide means (1, 2, 4).
EP93104721A 1992-04-02 1993-03-23 Clockwork provided with guide means of a control organ such as a stem Expired - Lifetime EP0563745B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1076/92A CH682872B5 (en) 1992-04-02 1992-04-02 Timepiece comprising guide means of a control member such as a rod.
CH1076/92 1992-04-02

Publications (2)

Publication Number Publication Date
EP0563745A1 EP0563745A1 (en) 1993-10-06
EP0563745B1 true EP0563745B1 (en) 1996-09-04

Family

ID=4201901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93104721A Expired - Lifetime EP0563745B1 (en) 1992-04-02 1993-03-23 Clockwork provided with guide means of a control organ such as a stem

Country Status (8)

Country Link
US (1) US5349574A (en)
EP (1) EP0563745B1 (en)
JP (1) JPH0675060A (en)
CN (1) CN1033106C (en)
CH (1) CH682872B5 (en)
DE (1) DE69304379T2 (en)
HK (1) HK1007605A1 (en)
SG (1) SG47009A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006234440A (en) * 2005-02-22 2006-09-07 Seiko Instruments Inc Third wheel and pinion release structure, and timepiece equipped therewith
EP1903363B1 (en) * 2006-09-25 2010-03-17 Dialog Imaging Systems GmbH Compact camera modules with horological stepper motor
EP1903364A1 (en) * 2006-09-25 2008-03-26 Dialog Imaging Systems GmbH Compact camera module with stationary actutor for zoom modules with movable shutter and aperture mechanism

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH5616A (en) * 1892-09-17 1893-02-15 Obrecht & Cie P Improvement on Roskopf clockworks
CH9012A (en) * 1894-08-31 1895-03-15 Langendorf Horlogerie New watch caliber with improved time by the stem
CH37042A (en) * 1906-07-21 1907-04-30 Henri Sandoz Winding and time-setting mechanism
US3444462A (en) * 1964-06-25 1969-05-13 Rosenberry W K Logic network and method for use in interpolating time interval counters
JPS5312825B1 (en) * 1971-05-27 1978-05-04
JPS594302Y2 (en) * 1978-04-19 1984-02-07 セイコーエプソン株式会社 Clock switching mechanism
DE8306359U1 (en) * 1983-03-05 1989-05-24 Gebrüder Junghans GmbH, 7230 Schramberg Wristwatch with seal
CH649888GA3 (en) * 1983-07-08 1985-06-28
CH660276GA3 (en) * 1985-08-20 1987-04-15
WO1987006031A1 (en) * 1986-04-01 1987-10-08 Shiojiri Kogyo Kabushiki Kaisha Construction of timepiece

Also Published As

Publication number Publication date
JPH0675060A (en) 1994-03-18
EP0563745A1 (en) 1993-10-06
CN1077034A (en) 1993-10-06
CN1033106C (en) 1996-10-23
CH682872B5 (en) 1994-06-15
CH682872GA3 (en) 1993-12-15
SG47009A1 (en) 1998-03-20
HK1007605A1 (en) 1999-04-16
DE69304379T2 (en) 1997-03-27
US5349574A (en) 1994-09-20
DE69304379D1 (en) 1996-10-10

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