EP4080292B1 - Uhrwerkmechanismus zur anzeige von mindestens einer einzigen zeitanzeige und uhrwerk mit einem solchen mechanismus - Google Patents

Uhrwerkmechanismus zur anzeige von mindestens einer einzigen zeitanzeige und uhrwerk mit einem solchen mechanismus Download PDF

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Publication number
EP4080292B1
EP4080292B1 EP21170065.3A EP21170065A EP4080292B1 EP 4080292 B1 EP4080292 B1 EP 4080292B1 EP 21170065 A EP21170065 A EP 21170065A EP 4080292 B1 EP4080292 B1 EP 4080292B1
Authority
EP
European Patent Office
Prior art keywords
barrel
wheel
hour
shaft
drum
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.)
Active
Application number
EP21170065.3A
Other languages
English (en)
French (fr)
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EP4080292A1 (de
Inventor
Fabrice Rochat
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.)
Montres Breguet SA
Original Assignee
Montres Breguet 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 Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP21170065.3A priority Critical patent/EP4080292B1/de
Priority to US17/646,900 priority patent/US20220342369A1/en
Priority to JP2022000848A priority patent/JP7233573B2/ja
Priority to CN202210133537.XA priority patent/CN115327878B/zh
Publication of EP4080292A1 publication Critical patent/EP4080292A1/de
Application granted granted Critical
Publication of EP4080292B1 publication Critical patent/EP4080292B1/de
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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
    • G04B19/00—Indicating the time by visual means
    • G04B19/02—Back-gearing arrangements between gear train and 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/16—Barrels; Arbors; Barrel axles
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/14—Mainsprings; Bridles therefor
    • 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
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • 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
    • G04B33/00—Calibers
    • G04B33/10—Calibers with seconds hand arranged in the centre of the dial

Definitions

  • the present invention relates to a watch mechanism for displaying at least the single time indication.
  • the invention also relates to a timepiece comprising such a mechanism.
  • finishing gear the set of wheels and pinions which, from the barrel, transmit the driving force to the escapement whose purpose is to maintain the oscillations of a regulating organ, typically a balance wheel, which , through its oscillations, regulates the running of the clockwork movement.
  • a regulating organ typically a balance wheel
  • the center mobile with which the roadway that is to say a pinion which makes one revolution in 1 hour and which controls the timer via which the rotation of the minute gear is transmitted to the hour hand, is friction coupled.
  • the present invention aims to remedy the problems mentioned above as well as others by proposing a watch mechanism making it possible to provide at least the indication of the single time with increased precision.
  • the present invention relates to a watch mechanism comprising a barrel drum mounted freely to pivot around a barrel shaft, a barrel spring being housed inside the barrel drum, this barrel spring comprising a first turn on the outside by which it is fixed to the barrel drum, and a last turn on the inside by which the barrel spring is fixed to the barrel shaft, the winding of the barrel spring being done by a rod of winder which meshes with the barrel drum via a winding train, a barrel ratchet being fixedly mounted on the barrel shaft, the watch mechanism also comprising a finishing train which comprises a first finishing wheel with which the barrel ratchet meshes and which, from the barrel drum, transmits a driving force to an escapement mobile whose purpose is to maintain the oscillations of a regulating organ which, through its oscillations, regulates the running of the clock movement, the mechanism watchmaker further comprising an hour wheel mounted by friction on the barrel shaft and on which an hour hand is fixed, the entire kinematic chain which extends from the barrel ratchet to
  • the present invention provides a watch mechanism comprising a barrel drum on the barrel shaft of which an hour wheel is mounted.
  • the present invention is distinguishes from the usual embodiments in which the roadway is for example fixed on an axis of a center wheel of the finishing gear and is connected to the hour wheel via one or more mobiles.
  • the present invention teaches mounting the hour wheel directly on the barrel shaft, the connection between the hour wheel and the escapement is as direct as possible. This makes it possible to avoid as much as possible the problems of play and eccentricity of the toothed mobiles that are usually encountered in the transmission of movement between the roadway and the hour wheel, and therefore to guarantee a precise display of the time. .
  • the entire kinematic chain which extends from the barrel ratchet to the escapement is calculated in such a way that the barrel ratchet, and therefore the hour wheel, rotates one complete revolution in 12 or 24 hours; on the other hand, so that it is possible to mount the hour wheel on the barrel shaft, the winding of the barrel spring is done by a winding rod which does not mesh with the barrel ratchet which is fixedly mounted on the barrel shaft, but with the barrel drum, and the barrel ratchet meshes with the first wheel of the finishing gear.
  • Another advantage of the invention can be seen in the fact that by eliminating one or more reduction mobiles between the roadway and the hour wheel, we gain in space.
  • the barrel drum can be arranged in the center of the movement, so that it can be larger than in the case where it must be arranged next to the switch and we must therefore make do with a barrel drum of a smaller diameter. Consequently, thanks to the invention, a watch mechanism with a greater power reserve is provided.
  • a minute wheel is fixed on an axis of a wheel of the finishing train which is calculated so that this wheel makes a complete revolution in 60 minutes.
  • the invention also relates to a timepiece, in particular a wristwatch, comprising such a watch mechanism.
  • the present invention proceeds from the general inventive idea which consists of displaying the unique time by means of an hour wheel fixed on a shaft of a barrel drum.
  • the winding of the barrel spring is done by means of a winding rod engaged, not with the barrel ratchet as is usually the case, but with the barrel drum. -same, while the barrel ratchet meshes with the first wheel of the finishing gear.
  • a minute wheel is mounted on an axis of a wheel of the finishing gear arranged so that this wheel rotates at the rate of one complete revolution in 60 minutes.
  • THE figures 1 And 2 are respectively top and perspective views of the part of a watch movement in which the watch mechanism according to the invention is integrated.
  • this watch movement comprises at its center a barrel drum 2 mounted freely to pivot around a barrel shaft 4.
  • a barrel spring 6, housed inside the barrel drum 2 conventionally comprises a first turn on the outside 6a by which it is fixed to the barrel drum 2, and a last turn on the inside 6b by which the barrel spring 6 is fixed to the barrel shaft 4.
  • the winding of the barrel spring 6 is done by a winding gear 8 which is actuated by a winding rod 9 (see Figure 4 ) and which meshes, not, as is usually the case, with a barrel ratchet 10 fixedly mounted on the barrel shaft 4, but with the barrel drum 2 itself.
  • the watch mechanism also comprises a finishing train 12 which comprises a first finishing wheel 14 with which the barrel ratchet 10 meshes.
  • This first finishing wheel 14 meshes with a large average pinion 16 which, with a large average wheel 18, forms a large average wheel 20.
  • the large average wheel 18 meshes with an average pinion 22 which , with an average wheel 24, forms a mobile of average 26.
  • the average wheel 24 meshes with a second pinion 28 which, with a second wheel 30, forms a second mobile 32.
  • the second wheel 30 meshes with an escape pinion 34 which, with an escape wheel 36, forms an escape wheel 38.
  • this regulating member 40 is composed of an assembly formed by a balance wheel 42 and a spiral spring 44 and cooperates with the escape wheel 36 via an anchor 46.
  • an hour wheel 48 is elastically coupled with the barrel shaft 4 in a manner which will be described in more detail below.
  • the assembly formed by the barrel shaft 4 and the hour wheel 48 is pivoted between a first bridge 50a and a second bridge 50b by means of stones 52a, 52b which act as bearings.
  • the number of teeth and the diameters of the cogs which make up the entire kinematic chain which extends from the barrel ratchet 10 to the escapement mobile 38 are calculated so that the hour wheel 48 on which is fixed an hour hand 54 for displaying the single time rotates at the rate of one complete revolution in 12 or 24 hours.
  • the watch mechanism according to the invention described above operates in the following way.
  • the barrel drum 2 turns and drives the first turn outside 6a of the barrel spring 6 by which the latter is fixed to the barrel drum 2.
  • the last turn inside 6b by which the spring barrel 6 is fixed to the barrel shaft 4 remains fixed, so that the barrel spring 6 is tensioned.
  • the barrel spring 6 begins to relax.
  • the barrel spring 6 drives the barrel shaft 4, and therefore the barrel ratchet 10, in pivoting by its last turn inside 6b.
  • the driving force produced by the barrel spring 6 which relaxes will thus be communicated via the barrel ratchet 10 and the entire finishing gear 12 to the escapement mobile 38 whose purpose is to maintain the oscillations of the balance 42 , which, through its oscillations, regulates the running of the clockwork movement 1.
  • the number of teeth and the diameters of the cogs which make up the entire kinematic chain which extends from the barrel ratchet 10 to to the escapement mobile 38 are calculated so that the hour wheel 48 on which is fixed an hour hand 54 for displaying the single time rotates at the rate of one complete revolution in 12 or 24 hours.
  • the hour wheel 48 is frictionally coupled with the barrel shaft 4, this in order to allow the adjustment of the single time display.
  • the hour wheel 48 is coupled with the barrel shaft 4 by means of a friction wheel 56 arranged between the barrel drum 2 and this hour wheel 48.
  • the friction wheel 56 is provided with two flexible arms 58 which surround the barrel shaft 4, so that this friction wheel 56 is elastically coupled with the barrel shaft 4 and is driven in rotation by the latter.
  • the wheel of hours 48 is then placed on the friction wheel 56 so that two lugs 60 which stand on the surface of the friction wheel 56 engage in two corresponding openings 62 provided in the hour wheel 48, which guarantees coupling in rotation of the hour wheel 48 with the friction wheel 56.
  • a minute wheel is fixed on an axis of a wheel of the finishing train 12 which is calculated so that this wheel makes a complete revolution in 60 minutes.
  • the invention also relates to a timepiece such as a wristwatch comprising such a watch mechanism.
  • the watch mechanism according to the invention can advantageously be arranged so that the barrel drum 2 is located in the center of the watch case, so that the hour wheel 48 on which the hour hand 54 is fixed for the The single time display is located in the center of the dial of this watch.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Gears, Cams (AREA)
  • Electromechanical Clocks (AREA)

Claims (4)

  1. Uhrwerkmechanismus, der eine Federhaustrommel (2) aufweist, die frei schwenkbar um eine Federhauswelle (4) montiert ist, wobei eine Federhausfeder (6) im Inneren der Federhaustrommel (2) untergebracht ist, wobei die Federhausfeder (6) eine erste Windung nach außen (6a), mit der sie an der Federhaustrommel (2) befestigt ist, und eine letzte Windung nach innen (6b), mit der die Federhausfeder (6) an der Federhauswelle (4) befestigt ist, aufweist, das Aufziehen der Federhausfeder (6) durch eine Aufzugswelle (9) erfolgt, die über ein Aufzugsräderwerk (8) mit der Federhaustrommel (2) eingreift, wobei eine Federhaussperre (10) fest auf der Federhauswelle (4) montiert ist, wobei der Uhrwerkmechanismus auch ein Fertigstellungsräderwerk (12) umfasst, das ein erstes Fertigstellungsrad (14) aufweist, mit dem die Federhaussperre (10) eingreift und das, von der Federhaustrommel (12) eine Antriebskraft auf ein Hemmungsrad (38) überträgt, dessen Zweck es ist, die Schwingungen eines Regulierorgans (40) aufrechtzuerhalten, das durch seine Schwingungen den Gang des Uhrwerkmechanismus reguliert, wobei der Uhrwerkmechanismus dadurch gekennzeichnet ist, dass es ein Stundenrad (48) umfasst, das reibschlüssig auf der Federhauswelle (4) montiert ist und an dem ein Stundenzeiger (54) für die Anzeige der Einzelzeit befestigt ist, dieses Stundenrad (54) reibschlüssig mit der Federhauswelle (4) gekoppelt ist, wobei die gesamte kinematische Kette, die sich von der Federhaussperre (10) bis zum Hemmungsrad (38) erstreckt, so berechnet ist, dass sich die Federhaussperre (10) und damit das Stundenrad (48) in 12 oder 24 Stunden mit einer vollen Umdrehung drehen.
  2. Uhrwerkmechanismus nach Anspruch 1, dadurch gekennzeichnet, dass ein Minutenrad an einer Achse eines Rades des Fertigstellungsräderwerks (12) befestigt ist, das so berechnet ist, dass dieses Rad eine volle Umdrehung in 60 Minuten vollzieht.
  3. Uhrwerkmechanismus nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass das Stundenrad (48) mit der Federhauswelle (4) mittels eines Reibrades (56) gekoppelt ist, das zwischen der Federhaustrommel (2) und diesem Stundenrad (48) angeordnet ist, wobei das Reibrad (56) mit zwei flexiblen Armen (58) versehen ist, die die Federhauswelle (4) umschließen, so dass dieses Reibrad (56) elastisch mit der Federhauswelle (4) gekoppelt ist und von dieser in Drehung versetzt wird, wobei das Stundenrad (48) so auf das Reibrad (56) aufgesetzt ist, dass zwei Sporne (60), die auf der Oberfläche des Reibrads (56) stehen, in zwei entsprechende Öffnungen (62) im Stundenrad (48) eingreifen, wodurch die Drehkopplung des Stundenrads (48) mit dem Reibrad (56) gewährleistet wird.
  4. Uhrwerk, das einen Uhrwerkmechanismus nach einem der Ansprüche 1 bis 3 umfasst.
EP21170065.3A 2021-04-23 2021-04-23 Uhrwerkmechanismus zur anzeige von mindestens einer einzigen zeitanzeige und uhrwerk mit einem solchen mechanismus Active EP4080292B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP21170065.3A EP4080292B1 (de) 2021-04-23 2021-04-23 Uhrwerkmechanismus zur anzeige von mindestens einer einzigen zeitanzeige und uhrwerk mit einem solchen mechanismus
US17/646,900 US20220342369A1 (en) 2021-04-23 2022-01-04 Horological mechanism for displaying at least the single time indication and timepiece comprising such a mechanism
JP2022000848A JP7233573B2 (ja) 2021-04-23 2022-01-06 少なくとも単一の時間表示を表示するための計時器用機構及びこのような機構を備える計時器
CN202210133537.XA CN115327878B (zh) 2021-04-23 2022-02-09 用于至少显示单一时间指示的钟表机构和包括这种机构的钟表

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21170065.3A EP4080292B1 (de) 2021-04-23 2021-04-23 Uhrwerkmechanismus zur anzeige von mindestens einer einzigen zeitanzeige und uhrwerk mit einem solchen mechanismus

Publications (2)

Publication Number Publication Date
EP4080292A1 EP4080292A1 (de) 2022-10-26
EP4080292B1 true EP4080292B1 (de) 2023-11-08

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EP21170065.3A Active EP4080292B1 (de) 2021-04-23 2021-04-23 Uhrwerkmechanismus zur anzeige von mindestens einer einzigen zeitanzeige und uhrwerk mit einem solchen mechanismus

Country Status (4)

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US (1) US20220342369A1 (de)
EP (1) EP4080292B1 (de)
JP (1) JP7233573B2 (de)
CN (1) CN115327878B (de)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH27549A (fr) * 1903-02-17 1904-01-31 Irenee Aubry Montre à longue marche et échappement visible, avec seconde au centre
CH529375A (fr) * 1970-12-03 1972-06-30 Federation Suisse Assoc Montre comprenant un barillet placé au centre du mouvement
CH687795C1 (fr) * 1994-05-07 2001-05-15 Omega Sa Piece d'horlogerie mecanique pourvue d'un tourbillon.
ATE516523T1 (de) * 2006-04-12 2011-07-15 Montres Breguet Sa Uhr mit schlagwerk, das ein einziges federhaus umfasst
JP5410453B2 (ja) * 2008-03-11 2014-02-05 パルミジャーニ フルーリエ エス．アー． 同軸時計ムーブメント
CN202837825U (zh) * 2012-09-12 2013-03-27 天津海鸥表业集团有限公司 陀飞轮座钟
CH706990B1 (fr) * 2012-09-18 2016-10-14 Breitling Ag Mouvement horloger comprenant des premier et deuxième barillets.
EP2746867B1 (de) * 2012-12-18 2015-12-16 ETA SA Manufacture Horlogère Suisse Federgehäuse einer Uhr
EP2871537B1 (de) * 2013-11-06 2017-01-04 ETA SA Manufacture Horlogère Suisse Armbanduhr mit verbesserter Gangreserve
EP2887150A1 (de) * 2013-12-20 2015-06-24 ETA SA Manufacture Horlogère Suisse Optimiertes Federgehäuse einer Uhr
EP2977830B1 (de) * 2014-07-23 2017-08-30 Nivarox-FAR S.A. Uhrhemmungsmechanismus mit konstanter Kraft
EP3168693B1 (de) * 2015-11-12 2018-11-07 Cartier International AG Uhrwerk
CH712101A2 (fr) * 2016-02-08 2017-08-15 Hepta Swiss Sa Mouvement d'horlogerie comprenant un dispositif de régulation disposé entre une source d'énergie et un échappement.
EP3557335A1 (de) * 2018-04-17 2019-10-23 Dominique Renaud SA Direkter freier hemmungsmechanismus für uhr
EP3557334A1 (de) * 2018-04-17 2019-10-23 Dominique Renaud SA Uhrhemmungsmechanismus mit ruheanker, und uhr, die mit einem solchen hemmungsmechanismus ausgestattet ist

Also Published As

Publication number Publication date
US20220342369A1 (en) 2022-10-27
EP4080292A1 (de) 2022-10-26
CN115327878A (zh) 2022-11-11
JP7233573B2 (ja) 2023-03-06
JP2022167770A (ja) 2022-11-04
CN115327878B (zh) 2024-05-03

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