EP3627232A1 - Uhrwerk mit automatischem aufzug, das stundenzeiger auf der seite des rotors umfasst - Google Patents

Uhrwerk mit automatischem aufzug, das stundenzeiger auf der seite des rotors umfasst Download PDF

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Publication number
EP3627232A1
EP3627232A1 EP18196380.2A EP18196380A EP3627232A1 EP 3627232 A1 EP3627232 A1 EP 3627232A1 EP 18196380 A EP18196380 A EP 18196380A EP 3627232 A1 EP3627232 A1 EP 3627232A1
Authority
EP
European Patent Office
Prior art keywords
barrel
plate
gear
hour
central
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.)
Granted
Application number
EP18196380.2A
Other languages
English (en)
French (fr)
Other versions
EP3627232B1 (de
Inventor
Christophe Cattin
Yassine Rachdi
Laurent Kaelin
Dominique BOIZARD
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
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP18196380.2A priority Critical patent/EP3627232B1/de
Priority to US16/545,306 priority patent/US11550260B2/en
Priority to JP2019166861A priority patent/JP6728457B2/ja
Priority to CN201910902745.XA priority patent/CN110941171B/zh
Publication of EP3627232A1 publication Critical patent/EP3627232A1/de
Application granted granted Critical
Publication of EP3627232B1 publication Critical patent/EP3627232B1/de
Active legal-status Critical Current
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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/18—Supports, suspensions or guide arrangements, for oscillating weights
    • G04B5/181—The bearing of the rocking bar is in the centre of rotation combined with a support or guide arrangement
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/10—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is not limited
    • G04B5/14—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is not limited acting in both directions
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/02—Time pieces of which the clockwork is visible partly or wholly
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/16—Construction of the weights
    • G04B5/165—Weights consisting of several parts
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/18—Supports, suspensions or guide arrangements, for oscillating weights
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/18—Supports, suspensions or guide arrangements, for oscillating weights
    • G04B5/184—Guide arrangement of the moving weight in a circular course
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/18—Supports, suspensions or guide arrangements, for oscillating weights
    • G04B5/19—Suspension of the oscillating weight at its centre of rotation

Definitions

  • the invention relates to the field of watchmaking. It relates, more specifically, to a self-winding watch movement, intended to equip a wristwatch.
  • a typical mechanism today widely used, comprises an oscillating mass in the form of a rotor, the rotation of which is transmitted to the barrel via a reduction gear train.
  • a rotor comprises a hub, by which it is fixed (with the possibility of rotation) on the stage of the movement, a rim (or “support”) integral with the hub, as well as a heavy annular sector (or “heavy”) integral with the rim and which, by the imbalance which it induces in the distribution of the masses of the rotor, causes the latter to rotate during the movements of the watch.
  • the hands are located on the side of a front face of the plate and the rotor is on the contrary located on the side of a rear face of the plate, that is to say on the side opposite the hands.
  • the watch movement proposed in the patent CH 703 964 provides for the passage of the hour and minute barrels in a central opening formed in the hub of the rotor, which is disposed between the body of the watch movement (including the plate, the bridges and the mobiles pivotally mounted between the plate and the bridges) and hour and minute hands.
  • the hour and minute hands are located at a fairly large distance from the body of the movement, and in particular from a possible scale for reading the hours.
  • An objective of the invention is therefore, in a watch movement with automatic winding and a rotor situated on the side of the time display, to solve the problems mentioned.
  • the movement comprises a bearing provided with a ring fixed relative to the plate, a ring movable in rotation relative to the ring fixed around the central axis, and interposed rolling elements between the rings, the booster shaft being integral with the movable ring.
  • the movable ring preferably carries a toothed crown in gear relation with the barrel by means of a reduction gear train.
  • the fixed ring is an inner ring (preferably secured to the bridge by a central screw) of the bearing and the movable ring is an outer ring.
  • the watch movement advantageously comprises a socket fixed relative to the plate and on which the hour barrel and the canon of minutes.
  • the hour barrel is fitted on the sleeve and the minute barrel is fitted on the hour barrel.
  • the carriageway and the hours mobile are advantageously mounted on an upper bridge fixed on the plate, this upper bridge having an internal face on the side of the plate, and an opposite external face.
  • the barrel is preferably mounted on the side of the internal face of the upper bridge, while the carriageway, the hours mobile and the rotor are mounted on the side of the external face of the upper bridge.
  • This movement 1 is intended to equip a wristwatch, suitable for being worn on the wrist.
  • Movement 1 comprises, firstly, a plate 2, which is in the form of a rigid part (preferably made of metal, for example steel), intended to form a support for various components of the movement, fixed or mobile .
  • the plate 2 has a lower face 3 and an upper face 4, opposite the lower face 3.
  • the movement 1 comprises, secondly, a barrel 5 rotatably mounted relative to the plate 3 and provided with a primary toothed wheel 6.
  • the barrel comprises a barrel shaft 7 by which the barrel is rotatably mounted on the plate 2, a barrel drum 8, and a barrel spring (not shown) secured, by an internal end, to the barrel shaft 7 and, by an external end, of the barrel drum 8.
  • the barrel is provided with a secondary toothed wheel 9 (also called a "ratchet") and distinct from the primary toothed wheel 6.
  • a secondary toothed wheel 9 also called a "ratchet”
  • the movement 1 comprises, thirdly, a winder 10 which comprises a winding rod 11 carrying, at an external end, a winding crown 12.
  • the winder comprises a winding mechanism 13 by which the winding rod 11 meshes, in a winding position, the secondary toothed wheel 9 of the barrel 5 to manually rotate it and thus wind the spring.
  • the movement 1 comprises, fourthly, a carriageway 14 mounted in rotation relative to the plate 2 around a central axis A.
  • the roadway includes a 15 minute cannon which carries a 16 minute hand.
  • the roadway 14 is in gear relation with the primary toothed wheel 6 of the barrel via a gear train 17 of timer. More specifically, and according to an embodiment illustrated in particular on the FIG. 7 , the carriageway 14 comprises a pinion 18 for the minutes, integral with the barrel 15 for the minutes (or formed in a single piece with the latter), and the gear train 17 for a timer comprises a timer wheel 19.1 meshing with the minute gear.
  • the timer train 17 is mounted in rotation relative to the plate 2.
  • the movement 1 comprises, in the fifth place, a mobile 20 for the hours, mounted in rotation relative to the plate 2 around the central axis A.
  • the hour mobile includes a 21 hour cannon which carries a 22 hour hand.
  • the moving body 20 of the hours is in gear relation with the roadway 14. More precisely, and according to an embodiment illustrated on the FIG. 7 , the hours mobile comprises a pinion 23 of the hours, integral with the barrel 21 of the hours (or formed in one piece with it), and movement 1 comprises a pinion 24 which couples in rotation the hours mobile to the roadway 14 in a gear ratio R of 1/12.
  • the gears are chosen so that the gear ratio R is equal to 1/12.
  • Pavement 14 including the 15 minute cannon and the 16 minute hand, is located on the side of the upper face 4 of the plate 2.
  • the 20 hour mobile including the 21 hour cannon and the hour hand 22, is located on the side of the upper face 4 of the plate 2.
  • the movement 1 comprises, in sixth place, an oscillating mass in the form of a rotor 25 mounted in rotation relative to the plate 2 around the central axis A, on the same side of the plate 2 as the carriageway 14 and the mobile 20 hours - in this case on the side of the upper face 4 of the plate.
  • the rim 27 is in the form of a solid disc, but it could be perforated.
  • the rim is a solid disc made of a transparent material, e.g. in industrial sapphire.
  • the heavy annular sector 28 occurs for example. in the form of a half-ring made of a material whose density is greater than that of the material of the rim 27.
  • the heavy annular sector is made of brass.
  • the attachment of the heavy annular sector 28 to the rim 27 is for example. made by screwing, riveting, crimping or bonding.
  • the movement 1 comprises, in seventh place, a riser shaft 29 integral with the central hub 26 and by which the latter is mounted in rotation relative to the plate 2.
  • the riser shaft 29 is preferably in the form of a hollow cylinder, produced for example. in steel.
  • the riser shaft and the central hub could form a single piece.
  • the booster shaft and the central hub form two separate parts fixed to each other.
  • the central hub is driven onto an upper end of the booster shaft.
  • the 15 minute cannon and the 21 hour cannon are mounted coaxially around the riser shaft 29, the 16 minute hand and the 22 hour hand being located between the plate 2 and the rim 27 of the rotor .
  • this arrangement makes it possible to position the hands 16, 22 as close as possible to a dial or a crown carrying an hourly graduation, for the benefit of legibility of the hours.
  • the bearing 30 is advantageously mounted on an intermediate bridge 34 fixed to the plate 2.
  • the fixed ring 31 is an inner ring of the bearing 30, and the movable ring 32 is an outer ring.
  • the riser shaft 29 is driven out on the movable ring 32 located outside the bearing.
  • the movable ring 32 preferably carries a toothed crown 37 in gear relation with the barrel 5, by means of a reduction gear train 38 (visible on the FIG.5 ). More precisely, the reduction gear train is in gear relationship with the secondary toothed wheel 9 (gear train) of the barrel 5.
  • the barrels 15, 21 freely surround the riser shaft 29.
  • the respective internal diameters of the barrels 15, 21 are greater than the external diameter of the booster shaft, at least for the part of this booster shaft located inside the two barrels.
  • the movement 1 advantageously comprises a socket 39 surrounding the booster shaft, this socket being fixed relative to the plate 2.
  • the barrel 20 for the hours and the barrel 15 for the minutes are mounted on the socket.
  • the sleeve is secured (for example by driving) to an upper bridge 40 fixed to the plate 2. More specifically, in the example illustrated, the upper bridge is fixed to the intermediate bridge 34.
  • the inner ring 31 of the bearing 30 is fixed to the intermediate bridge by the central screw 35, this central screw further securing to this bridge the intermediate piece 36, which has a bottom with a central hole for the passage of the central screw and a tube rigid in which the head of this central screw is located, this rigid tube being situated inside a central opening presented by the booster shaft, this booster shaft forming a rotating tube.
  • the upper 40 deck is clearly visible on the FIG.2 and FIG.3 .
  • the attachment of the upper deck to the intermediate deck 34 is for example. performed by means of screws 41, here three in number.
  • the upper bridge is pierced with holes 42 and carries axes 43 for guiding in rotation moving parts of movement 2, and in particular components of the gear train 17 of the timer.
  • a first lanterning is advantageously provided at the interface between the socket 39 and the hour gun 21 to allow the rotation of the latter (with the hour hand 22) relative to the socket.
  • a second lantern is advantageously provided at the interface between the hour gun 21 and the minute gun 15 to allow the rotation of the latter (with the minute hand 16) relative to the hour canon.
  • the barrel 5 is mounted on the side of an internal face 44 (facing the plate 2) of the upper bridge 40 (and more precisely between the intermediate bridge 34 and the plate 2), while the roadway 14, the mobile 20 des hours and the rotor 25 are mounted on the side of an external face 45 (opposite the plate 2) of the upper bridge.
  • the axis 49 crosses not only the upper bridge 40 but also the intermediate bridge 34.
  • the movement 1 can also be equipped with a small second hand 50, offset from the central axis A.
  • the small second hand is driven on an axis 51 secured to a second wheel 52, in gear relationship with the roadway 14 in a 1/60 ratio.
  • the movement 1 comprises a bearing 53, provided with a guide ring 54 which surrounds the roadway 14, and a foot 55 by which the bearing 53 is fixed to the upper bridge 40.
  • the fact that the rotor 25 is located on the same side as the time display (that is to say that the hands 15, 22) allows the wearer to enjoy the spectacle offered by the movement of the rotor. , which does not allow a provision of it opposite to the display.
  • the fact that the rotor 25 overcomes the needles 15, 22 makes it possible to position them. as close as possible to the body of the movement and a graduation of the hours which can be located on the rear face of this body, for the benefit of the readability of the display.
  • the timepiece movement which has just been described can easily also present an additional time display situated on the side of the front face of the plate 2.
  • the second display may for example correspond to a time zone different from that of the first display.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP18196380.2A 2018-09-24 2018-09-24 Uhrwerk mit automatischem aufzug, das stundenzeiger auf der seite des rotors umfasst Active EP3627232B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18196380.2A EP3627232B1 (de) 2018-09-24 2018-09-24 Uhrwerk mit automatischem aufzug, das stundenzeiger auf der seite des rotors umfasst
US16/545,306 US11550260B2 (en) 2018-09-24 2019-08-20 Horological movement with automatic winding having time-displaying hands located on the same side as the rotor
JP2019166861A JP6728457B2 (ja) 2018-09-24 2019-09-13 ローターと同じ側に位置する時間表示針を有する自動巻き機能付き計時器用ムーブメント
CN201910902745.XA CN110941171B (zh) 2018-09-24 2019-09-23 具有与转子位于同一侧的时间显示指针的自动上条钟表机芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18196380.2A EP3627232B1 (de) 2018-09-24 2018-09-24 Uhrwerk mit automatischem aufzug, das stundenzeiger auf der seite des rotors umfasst

Publications (2)

Publication Number Publication Date
EP3627232A1 true EP3627232A1 (de) 2020-03-25
EP3627232B1 EP3627232B1 (de) 2021-05-05

Family

ID=63683106

Family Applications (1)

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EP18196380.2A Active EP3627232B1 (de) 2018-09-24 2018-09-24 Uhrwerk mit automatischem aufzug, das stundenzeiger auf der seite des rotors umfasst

Country Status (4)

Country Link
US (1) US11550260B2 (de)
EP (1) EP3627232B1 (de)
JP (1) JP6728457B2 (de)
CN (1) CN110941171B (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH703964A1 (fr) 2010-10-26 2012-04-30 Soprod Sa Mouvement de montre automatique avec masse oscillante disposée du côté de la platine.
EP2551731A1 (de) * 2011-07-28 2013-01-30 Cartier Création Studio S.A. Schwungmasse, die auf die Außenseite eines Uhrwerks geschwenkt ist, und mit einer solchen Schwungmasse ausgestattetes Uhrwerk
CN204086820U (zh) * 2014-09-09 2015-01-07 杭州手表有限公司 一种薄型机械表环形自动上条机构

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH426651A (fr) * 1964-12-10 1966-05-14 Zenith Montres Montre à remontage automatique
CH685363B5 (fr) * 1993-05-21 1995-12-29 Grandjean Eric M Montre.
JPH1172580A (ja) * 1997-08-29 1999-03-16 Seiko Instr Inc 腕時計
JPH11183645A (ja) * 1997-12-18 1999-07-09 Seiko Instruments Inc 自動巻時計
CH692537A5 (fr) * 1998-10-23 2002-07-15 Perrelet Sa Montre à remontage automatique.
JP2004170270A (ja) 2002-11-20 2004-06-17 Seiko Instruments Inc 規正装置を備えた自動巻時計
JP4376536B2 (ja) 2003-03-27 2009-12-02 セイコーインスツル株式会社 時分発停レバーを有するクロノグラフ時計
JP4475630B2 (ja) 2004-01-27 2010-06-09 セイコーインスツル株式会社 変形セグメント歯車を含むぜんまい巻き状態表示装置付き時計
WO2006103560A2 (fr) * 2005-03-30 2006-10-05 Dth Dubois Technique Horlogere Sa Dispositif de remontage automatique
DE102007046689B4 (de) * 2007-06-01 2009-09-17 Konrad Damasko Mechanischer Aufzug für Armbanduhren sowie Armbanduhr mit einem solchen Aufzug
EP2073078B1 (de) 2007-12-21 2012-11-07 Omega SA Bistabiler Hammer für Chronographenmechanismus
CH705252B1 (fr) * 2011-07-07 2015-11-30 Blancpain Sa Mouvement d'horlogerie comportant des moyens pour l'affichage d'une grandeur physique.
EP3021173B1 (de) * 2014-11-14 2017-05-24 Blancpain S.A. Ringförmige Schwungmasse und Uhr, die eine solche Schwungmasse umfasst
CH713222A1 (fr) * 2016-12-13 2018-06-15 Cartier Int Ag Mouvement horloger à remontage automatique.
CH713302A2 (fr) * 2016-12-23 2018-06-29 Mft Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle S A Dispositif de conversion de déplacements, par exemple pour systèmes de remontage automatique de pièces d'horlogerie.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH703964A1 (fr) 2010-10-26 2012-04-30 Soprod Sa Mouvement de montre automatique avec masse oscillante disposée du côté de la platine.
EP2551731A1 (de) * 2011-07-28 2013-01-30 Cartier Création Studio S.A. Schwungmasse, die auf die Außenseite eines Uhrwerks geschwenkt ist, und mit einer solchen Schwungmasse ausgestattetes Uhrwerk
CN204086820U (zh) * 2014-09-09 2015-01-07 杭州手表有限公司 一种薄型机械表环形自动上条机构

Also Published As

Publication number Publication date
JP2020052040A (ja) 2020-04-02
US20200096942A1 (en) 2020-03-26
US11550260B2 (en) 2023-01-10
EP3627232B1 (de) 2021-05-05
JP6728457B2 (ja) 2020-07-22
CN110941171B (zh) 2021-06-22
CN110941171A (zh) 2020-03-31

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