EP4092491A1 - Uhrwerk mit kupplung - Google Patents

Uhrwerk mit kupplung Download PDF

Info

Publication number
EP4092491A1
EP4092491A1 EP21174717.5A EP21174717A EP4092491A1 EP 4092491 A1 EP4092491 A1 EP 4092491A1 EP 21174717 A EP21174717 A EP 21174717A EP 4092491 A1 EP4092491 A1 EP 4092491A1
Authority
EP
European Patent Office
Prior art keywords
clutch
mobile
chronograph
wheel
going 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.)
Pending
Application number
EP21174717.5A
Other languages
English (en)
French (fr)
Inventor
Salvatore Palermo
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.)
Patek Philippe SA Geneve
Original Assignee
Patek Philippe SA Geneve
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 Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Priority to EP21174717.5A priority Critical patent/EP4092491A1/de
Publication of EP4092491A1 publication Critical patent/EP4092491A1/de
Pending legal-status Critical Current

Links

Images

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
    • G04B19/025—Back-gearing arrangements between gear train and hands for simultaneous indicating on several dials
    • 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
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/001—Clutch mechanism between two rotating members with transfer of movement in both directions, possibly with limitation on the transfer of power
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0823—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement
    • G04F7/0838—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement involving a tilting movement

Definitions

  • the present invention relates to a watch movement comprising a clutch device, in particular a clutch device allowing the starting and stopping of a chronograph.
  • a clutch rocker In conventional chronographs, a clutch rocker carries a clutch wheel which permanently meshes with a chronograph drive wheel, referred to as a field wheel, forming part of the second wheel set of the finishing gear train. In a clutched position of the clutch rocker, the clutch wheel meshes with a chronograph runner to transmit to it the rotation of the second runner, thus rotating a chronograph hand carried by the chronograph runner. In a disengaged position of the clutch rocker, the clutch wheel does not mesh with the chronograph mobile and the latter is held stationary by a brake or a hammer.
  • the chronograph mobile rotates in the same direction as the second mobile, allowing the chronograph hand to rotate in the correct direction, namely clockwise.
  • the chronograph hand in the opposite direction to the direction of rotation of the second mobile. This is the case, for example, of double-sided watches where the hours, minutes and seconds of the time measured by the watch movement are displayed on one side of the watch, with the seconds displayed off-center by a small hand attached to the moving part of the watch.
  • the chronograph hand, centered is made visible on the opposite side. It is then appropriate to add a reference between the second mobile and the clutch wheel or between the clutch wheel and the chronograph mobile.
  • the present invention aims to solve the aforementioned problems and proposes to this end a watch movement comprising a source of energy, a going train, an escapement connected to the source of energy by the going train, a resonator cooperating with the exhaust, a driven mobile, a clutch rocker and a clutch wheel controlled by the clutch rocker for, in an engaged position of the clutch rocker, meshing with the driven mobile in order to transmit rotation to the driven mobile of the going train and, in a disengaged position of the clutch rocker, be out of contact with the driven wheel set, characterized in that the clutch wheel is part of a wheel set of the going train.
  • the present invention further proposes a timepiece, such as a pocket watch, a pendant watch, a wristwatch or a clock, comprising such a timepiece movement.
  • a timepiece such as a pocket watch, a pendant watch, a wristwatch or a clock, comprising such a timepiece movement.
  • a watch movement 1 for a timepiece such as a pocket watch, a pendant watch, a wristwatch or a clock, comprises an energy source 2 consisting for example by one or more barrels, a going train 4, an escapement 6 connected to the energy source 2 by the going train 4 and a resonator 8, such as a balance-spring or a resonator with flexible guidance, whose oscillations are maintained by the escapement 6.
  • an energy source 2 consisting for example by one or more barrels
  • an escapement 6 connected to the energy source 2 by the going train 4
  • a resonator 8 such as a balance-spring or a resonator with flexible guidance, whose oscillations are maintained by the escapement 6.
  • the going train 4 drives a display of the current time 10 visible through a first crystal of the timepiece.
  • the current time display 10 is made up of hour, minute and second indicator hands associated with a first dial, the seconds indicator hand being a small hand off-center relative to the first dial and to the watch movement 1.
  • the going train 4 also drives, on demand, a chronograph mechanism 12 which controls a chronograph display 14.
  • the latter comprises a chronograph hand indicating the chronograph seconds and possibly counter hands indicating the chronograph minutes and hours , this or these hands cooperating with a second dial.
  • the chronograph display 14 is visible through a second crystal of the timepiece located on the face of the timepiece opposite to that receiving the first crystal.
  • the going train 4 comprises a center wheel set meshing with the energy source 2, a middle wheel set meshing with the center wheel set and a second wheel set meshing with the middle wheel set and with the escapement pinion of the exhaust 6.
  • the average mobile designated by 16
  • the second mobile designated by 18.
  • the second mobile 18 carries the indicator hand of the seconds of the current time, designated by 20.
  • the indicator hands of the hours and minutes of the current time are driven by the center wheel in the traditional way.
  • the chronograph hand, designated by 22, is carried by a mobile chronograph 24 located in the center of the watch movement 1, this mobile chronograph 24 driving, if necessary, a minute counter which in turn drives a counter hours.
  • the second mobile 18 comprises, in a conventional manner, a shaft 26 to which are secured a second wheel 28 and a second pinion 30.
  • the second wheel 28 meshes with the escapement pinion.
  • the 30 second pinion meshes with the wheel of the average 16 mobile.
  • the watch movement 1 is mounted in a frame conventionally comprising a plate 32 and bridges (not shown) fixed to the plate 32.
  • the plate 32 is on the side of the display of the current time 10 and the bridges on the side of the display of chronograph 14.
  • the shaft 26 of the second mobile 18 pivots on one side in a fixed part, namely, in the example illustrated, in a tube 34 fixed to the plate 32 and on the other side in a rocker.
  • clutch 36 pivotally mounted with respect to plate 32 around an axis B which is distinct from axis A of shaft 26 of second wheel set 18.
  • shaft 26 of second wheel set 18 carries a clutch wheel or field wheel 38 secured to the second wheel and pinion 28, 30.
  • the stones 40, 42 which serve as bearings for the shaft 26 preferably have an olive-shaped hole.
  • shaft 26 could pivot directly in plate 32 rather than in tube 34.
  • the clutch rocker 36 is subjected to the action of a return spring (not shown) which allows it to cooperate with a column wheel 44 controlled by the user via a pusher (not shown). Depends on angular position of the column wheel 44, the clutch rocker 36 can occupy an engaged position and a disengaged position.
  • the clutch rocker 36 keeps the shaft 26 of the second mobile 18 substantially perpendicular to the plate 32 and parallel to the axis B, which keeps the clutch wheel 38 out of contact with the mobile chronograph 24.
  • the gear train 4 rotates continuously driving the display of the current time 10 but without driving the mobile chronograph 24 which remains stationary under the action of a brake or a hammer controlled by the column wheel 44.
  • the clutch rocker 36 tilts the shaft 26 of the second mobile 18 in the direction of the chronograph mobile 24, as shown exaggeratedly by the angle ⁇ on the picture 3 , thus causing the toothing of the clutch wheel 38 to enter into that of the chronograph wheel set 24.
  • the brake or the hammer no longer acts on the chronograph wheel set 24 so that the going train 4 drives the latter in rotation. The chronograph is thus in operation until the user stops it by pressing the pusher again to return the clutch rocker 36 to its disengaged position.
  • the second pinion 30 continues to mesh with the average mobile 16.
  • the teeth of the second pinion 30 and of the wheel of the average mobile 16 are in fact sized to avoid jamming when the clutch rocker 36 is in the engaged position.
  • the present invention allows the off-centered seconds hand of the current time 20 carried by the mobile second hand 18 and the chronograph hand 22 to each turn in the right direction, namely clockwise when one or the another of these hands is seen through its respective glass. This result is obtained without the addition of any reference outside the going train 4, that is to say outside of the kinematic chain between the energy source 2 and the exhaust 6, a reference which would be likely to generate gear games.
  • the going train 4 is permanently stretched by the torque exerted on it by the energy source 2 and by its cooperation with the escapement 6.
  • the torque that it transmits to the mobile of chronograph 24 therefore has no backlash. It follows that the display accuracy is improved even compared to traditional chronographs displaying the current time and the measured time on a single face.
  • the present invention is also of particular interest in the case of a so-called indirect second, where the current time seconds hand is centered but driven indirectly by the off-centered second wheel 18 .
  • the invention avoids having to resort to an additional transmission outside the going train, in the kinematic chain connecting the second mobile to the second hand or between the going train and the chronograph mobile.
  • the present invention is not limited to a watch movement comprising a chronograph mechanism. It can be applied to any horological movement comprising a mechanism, chronograph, animation or other, controlled by means of a clutch, with the aim of causing the mechanism to turn in the opposite direction to the mobile second of the gear train gear, or more generally of the wheel set of the gear train which controls said mechanism, without increasing the gear clearances.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP21174717.5A 2021-05-19 2021-05-19 Uhrwerk mit kupplung Pending EP4092491A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21174717.5A EP4092491A1 (de) 2021-05-19 2021-05-19 Uhrwerk mit kupplung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21174717.5A EP4092491A1 (de) 2021-05-19 2021-05-19 Uhrwerk mit kupplung

Publications (1)

Publication Number Publication Date
EP4092491A1 true EP4092491A1 (de) 2022-11-23

Family

ID=76011812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21174717.5A Pending EP4092491A1 (de) 2021-05-19 2021-05-19 Uhrwerk mit kupplung

Country Status (1)

Country Link
EP (1) EP4092491A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US843887A (en) * 1906-02-19 1907-02-12 Adolph Gerson Stop-watch.
CH57805A (fr) * 1911-11-14 1913-02-01 Aurele Donze Montre de poche à double face
CH623980GA3 (en) * 1979-01-19 1981-07-15 Timepiece with chronograph
CH684769GA3 (fr) * 1992-03-30 1994-12-30 Technowatch Sa Chronographe.
CH714798A1 (fr) * 2018-03-19 2019-09-30 Hublot Sa Geneve Chronographe pour pièce d'horlogerie.
EP3671370A1 (de) * 2018-12-20 2020-06-24 Patek Philippe SA Genève Kupplungsvorrichtung und chronographenmechanismus, der eine solche kupplungsvorrichtung umfasst

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US843887A (en) * 1906-02-19 1907-02-12 Adolph Gerson Stop-watch.
CH57805A (fr) * 1911-11-14 1913-02-01 Aurele Donze Montre de poche à double face
CH623980GA3 (en) * 1979-01-19 1981-07-15 Timepiece with chronograph
CH684769GA3 (fr) * 1992-03-30 1994-12-30 Technowatch Sa Chronographe.
CH714798A1 (fr) * 2018-03-19 2019-09-30 Hublot Sa Geneve Chronographe pour pièce d'horlogerie.
EP3671370A1 (de) * 2018-12-20 2020-06-24 Patek Philippe SA Genève Kupplungsvorrichtung und chronographenmechanismus, der eine solche kupplungsvorrichtung umfasst

Similar Documents

Publication Publication Date Title
EP0772104B1 (de) Uhr mit Chronographmechanismus
EP1470452A2 (de) Vorrichtung mit uhrwerk und chronographenmodul
EP1989596A2 (de) Sich selbst aufziehende uhr mit energiereserveindikator
EP1962155B1 (de) Chronograph
CH712219A2 (fr) Mécanisme pour mouvement de montre à affichage rétrograde et sautant.
EP1658532B1 (de) Aufzieh-zustandsanzeigermechanismus für eine mechanische uhr
EP1115040A1 (de) Antriebsvorrichtung für Uhrwerk mit grosser Gangreserve
CH707181A2 (fr) Dispositif horloger, notamment un dispositif d'affichage sautant.
CH697433B1 (fr) Pièce d'horlogerie avec mécanisme chronographe.
EP1243984A1 (de) Uhrwerk
EP4092491A1 (de) Uhrwerk mit kupplung
EP1234218B1 (de) Mechanisches uhrwerk mit kleiner oder mittelsekunde
EP1978424B1 (de) Chronograph
EP3495898B2 (de) Mechanismus für uhrwerk eines chronographs
EP3163383B1 (de) Schrittzähler, der in eine mechanische armbanduhr integriert ist
EP2990880B1 (de) Uhrwerk
EP2990879B1 (de) Uhrwerk
EP1271268A1 (de) Uhr mit zwei Zeitzonen
EP2990881B1 (de) Uhrwerk
CH175961A (de) Luftabschlusseinrichtung an Ölfeuerungen.
EP4080292A1 (de) Uhrwerkmechanismus zur anzeige von mindestens einer einzigen zeitanzeige und uhrwerk mit einem solchen mechanismus
CH718882A2 (fr) Mécanisme de pièce d'horlogerie indiquant une valeur maximale d'une grandeur physique mesurée et pièce d'horlogerie comportant un tel mécanisme.
WO2021171233A1 (fr) Piece d'horlogerie
EP4328673A1 (de) Uhrwerksmechanismus mit nocke
EP2254007B1 (de) Anzeigevorrichtung der Gangreserve für Uhr

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230503

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230521