EP0570856B1 - Pièce d'horlogerie dont l'affichage des heures peut être modifié de façon indépendante, notamment lors du passage sur un autre fuseau horaire - Google Patents

Pièce d'horlogerie dont l'affichage des heures peut être modifié de façon indépendante, notamment lors du passage sur un autre fuseau horaire Download PDF

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Publication number
EP0570856B1
EP0570856B1 EP93107862A EP93107862A EP0570856B1 EP 0570856 B1 EP0570856 B1 EP 0570856B1 EP 93107862 A EP93107862 A EP 93107862A EP 93107862 A EP93107862 A EP 93107862A EP 0570856 B1 EP0570856 B1 EP 0570856B1
Authority
EP
European Patent Office
Prior art keywords
wheel
pipe
hours
star
hour
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
EP93107862A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0570856A1 (fr
Inventor
Frank Vaucher
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.)
Compagnie des Montres Longines Francillon SA
Original Assignee
Compagnie des Montres Longines Francillon SA
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 Compagnie des Montres Longines Francillon SA filed Critical Compagnie des Montres Longines Francillon SA
Publication of EP0570856A1 publication Critical patent/EP0570856A1/fr
Application granted granted Critical
Publication of EP0570856B1 publication Critical patent/EP0570856B1/fr
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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/005—Mechanical devices for setting the time indicating means stepwise or on determined values
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/221—Arrangements for indicating different local apparent times; Universal time pieces mechanisms for correcting the hours hand only, i.e. independently for minutes and seconds hands
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/223—Arrangements for indicating different local apparent times; Universal time pieces with rotary disc, rotary bezel, or rotary dial

Definitions

  • the present invention relates to a timepiece whose display of the hours can be modified independently, that is to say without consequence on the other time information which is normally kinematically linked to the hours, in particular the minutes and the seconds .
  • a timepiece of the aforementioned type comprising an hour wheel linked to the timer and a first cannon, said hour cannon conventionally carrying an indicator hand.
  • a coupling device which provides a clutch / disengage function, while ensuring the indexing of the indicator needle in the angular positions corresponding to whole fractions of hours.
  • the hour canon comprises, on the one hand, a correction wheel which is controlled by a correction mechanism controlled by the rod, and on the other hand, a star whose external toothing cooperates with a roller of training
  • This roller comprises a tenon engaged in a radial groove formed in the board of the hour wheel which is carried by a second barrel mounted for rotation on the hour barrel.
  • This drive roller is moreover held in the toothing of the star by means of a wire spring fixedly fixed on this wheel.
  • the roller can therefore be driven in rotation by the hour wheel and it can, in normal operation, thanks to its cooperation with the teeth of the star, drive the hour barrel, which ensures the clutch between this barrel and said hour wheel.
  • the user When switching from one time zone to another, the user acts on the correction wheel thanks to the time-setting rod which is then biased in a particular position, and he can thus rotate the hand directly for hours acting on its barrel.
  • This movement has no influence on the position of the hour wheel, because the rotation of the star causes a jumper movement of the rollers by a radial displacement of these outside the toothing of the star, this which ensures the declutching between the hour canon and the hour wheel.
  • the hour wheel is formed by the highest wheel, or upper wheel (in the position of use of the timepiece), while the correction wheel is formed by the lowest wheel which forms so compared to the previous one a lower wheel.
  • the present invention therefore aims to provide a timepiece of the aforementioned type, which is inexpensive, while being able to adapt to any type of movement, without modification of the original turnout and with an engagement of the lower wheel with the timer
  • the hour wheel is mounted to rotate freely by means of the drive star which is guided in rotation on the hour barrel.
  • the outer barrel is forcibly mounted by hunting on the inner hour barrel.
  • the timepiece according to the invention comprises a first barrel 2, called an inner barrel, intended to be conventionally mounted for rotation, about an axis of rotation X, on a carriageway C driven by a conventional horometric movement M, both shown schematically in broken lines in FIG. 1.
  • the inner barrel 2 carries an indicator hand 4 forming the hour hand, which hand is driven outwardly on a free end of the barrel 2 projecting from the part 1.
  • the inner barrel 2 therefore forms an hour cannon, and it supports a first externally toothed wheel 6, called the lower wheel, comprising a plate 7. It will be specified here that advantageously this lower wheel 6 forms an hour wheel, and it engages with a timer wheel 8 (partially shown) forming part of a conventional timer of the movement M. In normal operation, this hour wheel 6 receives time information delivered by the timer wheel 8, information which it transmits, as will include it below, indirectly to the inner hours 2 barrel and to the indicator hand 4.
  • the lower hour wheel 6 is mounted to rotate freely on the hour barrel 2.
  • the hour barrel 2 has at its end which is opposite its free end carrying the hand 4, a flange 10 forming a shoulder freely supporting a star 12 on which the wheel 6 is fixedly held.
  • the star 12 comprises a board 13, an external toothing 14 and a circular collar 16 formed on edge adjacent to the toothing 14, behind and coaxially to this one, under plate 13.
  • the hour wheel 6 is fixedly held on the star 12 on its side against its teeth 14.
  • the hour wheel 6 by means of the central part of its board 7 which has a bore emerging, is forcibly engaged externally on the collar 16, by driving out and / or by riveting.
  • the star 12 and the hour wheel 6 are therefore directly integral in rotation and, in this example, they only form, thanks to their mounting, a single piece attached to the hours 2 gun.
  • the star 12 and the hour wheel 6 can therefore move together concomitantly under the effect of the timer wheel 8.
  • the part according to the invention further comprises two drive rollers 20 which are stepped and which each have a cylindrical base 22 from which a stud 24 extends in a normal manner.
  • the rollers are both engaged at rest, by their base 22, in the toothing 14 of the star 12 and they rest freely and laterally by this base against the sidewall, not referenced, of the plate 7 of the hour wheel 6. This rest position is likewise shown in view from above in Figure 2.
  • the rollers 20 are moreover maintained in this rest position in the teeth 14, elastically by elastic return means 26 which are formed here by a closed annular spring, mounted coaxial with the star 12 and acting radially on the outer periphery of the bases 22 of the rollers 20. It will be noted here that the spring 26 is mounted freely against the drive rollers 20, without any fixed attachment on the part 1. The spring 26 rests more freely against, and more particularly on the plate 7 of the hour wheel 6. The spring 26 is therefore self-supporting and self-centered
  • the timepiece according to the invention further comprises a second barrel 30, called an outer barrel, which has a guide bore 31 and which is mounted externally by this bore 31 on the first barrel 2.
  • This second barrel 30 supports a second externally toothed wheel 32 disposed above the lower hour wheel 6 and called the upper wheel. It will be specified here that the upper and lower positions of the wheels 6 and 32 are taken with reference to the drawing in FIG. 1 which represents the part according to the invention in its position of use when worn, that is to say with the switch oriented towards the high.
  • the upper wheel 32 comprises a board 33 and it meshes by its external toothing with a wheel 34 of a movement correction mechanism M, this wheel 34 being able to be conventionally driven by the rod, not shown.
  • the upper wheel 32 therefore forms a correction wheel making it possible, as will be understood, to directly correct the position of the hour barrel 2 and of the indicator hand 4, without acting on the timer and therefore without disturbing the other time information, such as as the minute and the second, which are normally kinematically linked to the 2 hour canon via said timer.
  • the outer barrel 30 is forcibly mounted by driving outwardly on the inner barrel of hours 2 and it is therefore fixed to the latter.
  • the upper correction wheel 34 therefore acts on the inner hours barrel 2 via the outer barrel 30.
  • the hour cannon 2 is moreover driven in normal operation by the timer of the movement M, and in particular by the timer wheel 8, also thanks to the outer barrel 30.
  • the rollers 20 can therefore rotate the correction wheel 32, and the two guns 2 and 30, when the star 12 is itself driven by the hour wheel 6.
  • the radial grooves 36 extend from the external toothing of the correction wheel 32 as far as the body of the external barrel 30 and open internally therein, more particularly in its bore 31.
  • the grooves 36 can therefore be produced at the same time, using a milling cutter, not shown, which is plunged into the plate 33 of the wheel 32 and into the barrel 30.
  • the star 12 is held axially between the outer barrel 30 and the collar 10 of the hour barrel 2. These two cannons which are driven one inside the other therefore form a groove 38 allowing the guiding in rotation and the axial maintenance of the attached assembly constituted by the star 12 and the hour wheel 6.
  • the timepiece is shown in Figure 2 (without the elements C, M, 8 and 34) in a time display position corresponding to one of the time zones.
  • FIG. 3 represents the part according to the invention in an intermediate position when passing over another time zone. It is therefore noted that during the rotation of the correction wheel 34, the rollers 20 are angularly displaced and (while the star 12 and the hour wheel 7 remain fixed) jump in the teeth 14 of the star 12 by ovalizing the spring 26. The rollers 20 then return to the teeth 14 of the star 12, in the rest position, but in an offset manner with respect to the position of FIG. 2. The hand 4 then indicates another time zone. It should be noted that although the toothing of the star 12 has 12 teeth in the figures (to indicate the 12 hours), this toothing could have 24 for application to a timepiece, of the 24 hour type.
  • this structure of which the 6 hour wheel and the 2 hour cannon are a part, forms a unit which can be easily removed from the timepiece and which can be easily transportable without the risk of inadvertent dissociation of its components. .
  • rollers 20 are kept trapped between the correction wheel 32 and the hour wheel 6 which is itself held by the two guns 2 and 30.
  • rollers 20 are moreover held in place radially by the spring 26 which is also trapped between the two upper and lower wheels.
  • rollers 20 remain supported by the plate 7 of the correction wheel 6 and the hour gun 2 can be replaced without the other components having been dissociated.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP93107862A 1992-05-21 1993-05-14 Pièce d'horlogerie dont l'affichage des heures peut être modifié de façon indépendante, notamment lors du passage sur un autre fuseau horaire Expired - Lifetime EP0570856B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1646/92A CH683055B5 (fr) 1992-05-21 1992-05-21 Pièce d'horlogerie dont l'affichage des heures peut être modifié de façon indépendante, notamment lors du passage sur un autre fuseau horaire.
CH1646/92 1992-05-21

Publications (2)

Publication Number Publication Date
EP0570856A1 EP0570856A1 (fr) 1993-11-24
EP0570856B1 true EP0570856B1 (fr) 1995-11-22

Family

ID=4215329

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93107862A Expired - Lifetime EP0570856B1 (fr) 1992-05-21 1993-05-14 Pièce d'horlogerie dont l'affichage des heures peut être modifié de façon indépendante, notamment lors du passage sur un autre fuseau horaire

Country Status (7)

Country Link
US (1) US5285427A (ja)
EP (1) EP0570856B1 (ja)
JP (1) JP3248028B2 (ja)
CN (1) CN1045667C (ja)
CH (1) CH683055B5 (ja)
DE (1) DE69300845T2 (ja)
HK (1) HK1007608A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2721106B1 (fr) * 1994-06-10 1996-09-13 Step Compteur de doses pour inhalateurs.
US5636184A (en) * 1996-05-06 1997-06-03 Boyd; Daniel C. Switch for resetting an analog clock hour hand
CN1132077C (zh) * 1999-05-06 2003-12-24 阿苏拉布股份有限公司 包括用于指示同轴模拟显示指针之角度位置的装置的钟表
EP1933210B1 (fr) * 2006-12-13 2010-03-10 Compagnie des Montres Longines, Francillon SA Mécanisme de mise à l'heure d'un indicateur d'heures
EP2362276B1 (fr) * 2010-02-25 2012-10-31 Montres Breguet SA Roue de mémoire mécanique programmable et reprogrammable pour pièce d'horlogerie
EP2362277B1 (fr) 2010-02-25 2012-10-31 Montres Breguet SA Fuseau horaire à la demande sur l'aiguillage principal d'une pièce d'horlogerie
CN106444339A (zh) * 2016-12-07 2017-02-22 辽宁孔雀表业有限公司 一种简单式机械手表两地时结构机芯

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR907360A (fr) * 1943-07-22 1946-03-11 Montre
CH340191A (fr) * 1957-07-23 1959-07-31 Ancienne Manufacture D Horloge Montre
CH388855A (fr) * 1960-08-10 1964-11-14 Ruch Albert Pièce d'horlogerie à heure universelle
US3358437A (en) * 1966-05-23 1967-12-19 Fred G Burg Push button time zone watch
JPS4924696B1 (ja) * 1970-02-27 1974-06-25
JPS515592B1 (ja) * 1970-06-01 1976-02-20
CH590510B5 (ja) * 1975-04-10 1977-08-15 Ebauches Sa
CH651997GA3 (ja) * 1983-12-24 1985-10-31
CH657007GA3 (ja) * 1984-08-23 1986-08-15 Tissot Sa
FR2617993A1 (fr) * 1987-07-07 1989-01-13 Pincemy Luce Appareil analogique d'indication de l'heure, tel que montre, pendule, reveil

Also Published As

Publication number Publication date
DE69300845T2 (de) 1996-08-01
US5285427A (en) 1994-02-08
EP0570856A1 (fr) 1993-11-24
CN1081517A (zh) 1994-02-02
HK1007608A1 (en) 1999-04-16
CH683055GA3 (fr) 1994-01-14
CN1045667C (zh) 1999-10-13
JPH06160548A (ja) 1994-06-07
DE69300845D1 (de) 1996-01-04
CH683055B5 (fr) 1994-07-15
JP3248028B2 (ja) 2002-01-21

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