EP4375763A1 - Uhrwerk, das einen mechanismus zur korrektur einer anzeige umfasst - Google Patents

Uhrwerk, das einen mechanismus zur korrektur einer anzeige umfasst Download PDF

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Publication number
EP4375763A1
EP4375763A1 EP22209465.8A EP22209465A EP4375763A1 EP 4375763 A1 EP4375763 A1 EP 4375763A1 EP 22209465 A EP22209465 A EP 22209465A EP 4375763 A1 EP4375763 A1 EP 4375763A1
Authority
EP
European Patent Office
Prior art keywords
rocker
date
watch movement
drive wheel
display mechanism
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
EP22209465.8A
Other languages
English (en)
French (fr)
Inventor
Stéphane BACHMANN
David Philippon
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 EP22209465.8A priority Critical patent/EP4375763A1/de
Priority to JP2023134547A priority patent/JP2024076334A/ja
Priority to KR1020230137892A priority patent/KR20240077414A/ko
Priority to US18/515,443 priority patent/US20240176301A1/en
Priority to CN202311591743.6A priority patent/CN118068670A/zh
Publication of EP4375763A1 publication Critical patent/EP4375763A1/de
Pending 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
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • G04B27/023—Mechanical devices for setting the time indicating means by making use of the winding means changing of the winding position to the setting position and vice versa is done with an independant part of the winding or setting mechanism
    • 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
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • G04B27/04—Mechanical devices for setting the time indicating means by making use of the winding means with clutch 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • 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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/041—Construction of crowns for rotating movement; connection with the winding stem; winding stems
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/25—Devices for setting the date indicators manually

Definitions

  • the invention relates to the field of mechanical watchmaking. It relates, more particularly, to a watch movement comprising a control rod, a movement winding mechanism, a date display mechanism and a time display mechanism.
  • the invention relates to a time and/or date correction mechanism.
  • Many mechanical watches conventionally include a control rod, located at 3 o'clock, and capable of occupying two positions, namely a manual winding position, and a time setting position. These watches may also include a date correction mechanism operated via this same control stem.
  • a watch movement comprising a first rocker carrying a first drive wheel capable of being kinematically linked to the control rod, a second rocker carrying a second updating wheel the time arranged to cooperate with the time display mechanism and capable of being linked kinematically to the first drive wheel, and a third rocker carrying a date correction mechanism capable of being linked kinematically to the first drive wheel as well as the date display mechanism, the third rocker being pivotally mounted on the second rocker and arranged to move between a meshing position according to which the date correction mechanism cooperates with the date display mechanism and a retraction position in which the date correction mechanism is disconnected from the date display mechanism, and the operating rod and the first and second rockers are arranged to occupy three positions.
  • the invention aims in particular to overcome the various disadvantages of known mechanisms.
  • an objective of the invention is to provide a watch movement allowing rapid correction of the time or date by the control rod.
  • the watch movement comprises a third rocker arranged to cooperate with the second rocker, the third rocker being arranged to lock the second rocker in the set position to the time when the control stem is in the time setting position and prevent the date from being corrected when correcting the time.
  • the invention also relates to a timepiece comprising a movement according to the invention.
  • a part of a watch movement comprising in particular a control rod 1, a winding mechanism, a date correction mechanism and a time correction mechanism.
  • control rod 1 or winding rod is operable from outside the watch case and is movable in rotation around its axis of revolution C on the one hand and in translation along its axis of revolution C on the other hand to occupy its different positions.
  • a winding pinion 2 a sliding pinion 4, the positioning of the sliding pinion 4 being ensured by a pull 6 and a rocker 8.
  • the winding pinion 2 meshes with the winding mechanism (not shown) to carry out the manual winding of the movement when the control rod occupies its winding position (generally its non-pulled position) and the pinion slide 4 cooperates with the winding pinion 2, as shown on the figure 1 .
  • the date display mechanism conventionally comprises a date disc or ring 3 having internal teeth 5 operable by a date correction mechanism.
  • the time correction mechanism may include a set of references meshing with a timer wheel which cooperates with a roadway.
  • a first rocker 10 pivotally mounted on a plate and carrying a first drive wheel 11 mounted freely to rotate around an axis.
  • the drive wheel 11 is capable of being engaged by the sliding pinion 4 of the control rod 1 when the control rod is in the date correction or time setting position (pulled positions).
  • the second rocker 20 pivotally mounted on the first rocker 10.
  • the second rocker 20 comprises a first portion 20a provided with a first hole for the passage of a first shaft A, constituting the pivot axis of the second rocker 20 on the first rocker 10.
  • the second rocker 20 also comprises a second portion 20b having a second hole for the passage of a second shaft B, constituting the pivot axis of the date correction means.
  • the second rocker 20 carries a date correction mechanism capable of being linked kinematically to the drive wheel 11 as well as to the date ring 3.
  • the date correction mechanism comprises a correcting member 15 capable of being kinematically linked to the drive wheel 11 via a connecting pinion 16, the correcting member 15 comprising correction fingers 17 capable of cooperating with the teeth 5 of the date ring 3.
  • the corrector member 15 is mounted by friction via a friction washer 18 on the second rocker 20 via the shaft B secured to the corrector member 15.
  • the corrector member 15 and the connecting pinion 16 are integral, the assembly being mounted movable in rotation on the second rocker 20.
  • correction fingers 17 cooperate directly with the date disc 3 but it is obvious that cogs or other intermediate mechanisms can be provided between the correction member 15 and the date display mechanism.
  • the second rocker 20 is pivotally mounted on the first rocker 10 and is arranged to move between an engagement position according to which the date correction mechanism cooperates with the date ring 3 and a withdrawal position according to which the date correction mechanism Date correction is disconnected from date ring 3.
  • the second rocker 20 also comprises a stop element, the stop element being in the form of an opening 20c so that the second rocker circulates between the two stops defined by the ends of the opening 20c, the ends of the 20c opening allowing thus to delimit the angular travel of the second rocker 20 and to define two distinct positions for the second rocker 20.
  • a pin (not shown in the figures) arranged to cooperate with the opening 20c of the second rocker 20.
  • the pin forms, in cooperation with the opening 20c, means for limiting the stroke of the second rocker 20 when the latter pivots.
  • a third rocker 30 pivotally mounted on the plate and carrying a guide groove 34 arranged to cooperate with the pull tab 6.
  • the third rocker 30 is arranged to cooperate with the second rocker 20 and block the latter when the winding stem is in the time setting position and thus prevents the date from being corrected when correcting the time.
  • the third rocker has a first free end 31 on which is mounted a pin 32 arranged to rest against the second rocker 20 when the winding stem 1 is in the time setting position, and a second end 33 comprising the groove of guide 34 cooperating with a pin 35 secured to the zipper 6.
  • the guide groove 34 has a bent shape which makes it possible to define three angular positions of the rocker corresponding to the winding, date correction and time correction positions of the control rod 1.
  • the rocker 30 cooperates indirectly with a jumper 9 via the pull tab 6.
  • the jumper 9 comprises a flexible arm 90 having three notches 9a, 9b, 9c.
  • the zipper 6 includes a pin 36 which cooperates with one of the notches 9a, 9b, 9c depending on the position of the rod. Zipper 6 cooperates also with the winding rod 1 by means of a pin 37 arranged to rest in a groove 38 of the winding rod 1. Thus, by pulling the winding rod 1, the pull 6 pivots and pushes the flexible arm 90 and the pin is positioned 36 is placed in one of the notches 9a, 9b, 9c depending on the position occupied by the winding stem 1.
  • Such an arrangement makes it possible in particular to create “notches” for the different winding stem positions 1 and therefore to facilitate the identification of the position of the winding stem 1 by the wearer when he wishes to make a correction.
  • the operation of the movement according to the invention is as follows: in the manual winding position, as shown on the figure 4a , the sliding pinion 4 meshes with the winding pinion 2 which meshes with the winding mechanism (not shown) to carry out the manual winding of the movement.
  • the control rod 1 occupying its winding position is kinematically linked to the movement winding mechanism and is not kinematically linked to the drive wheel 11, nor consequently to the other time or clock correction mechanisms. the date.
  • the connecting pinion 16, integral with the correcting member 15 then drives the latter and the friction washer 18 in rotation so as to rotate the second rocker 20 then one of the correction fingers 17 cooperates with a tooth 5 of the date ring 3 and activates the latter to correct the date.
  • the first rocker 10 is positioned so that the drive wheel 11 does not cooperate with the timer. Thus the quick date correction function is isolated from the time setting and winding functions.
  • the pull acts on the third rocker 30 and moves it into the blocking position of the second rocker 20
  • the cooperation of the pin 35 in the guide groove 34 causes the tilting of the third rocker 30 which moves from its rest position to its time setting position, so as to block the movement of the second rocker, at least in the direction of the date, or even block the rocker completely from moving in the direction of the date ring.
  • the time setting function is isolated from the rapid date correction and winding functions.
  • the meshing between the first drive wheel and the date display or time setting mechanisms is not permanent, so that the teeth of the different parts do not require no specific size.
  • the invention also relates to a timepiece comprising a watch movement according to the invention.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP22209465.8A 2022-11-24 2022-11-24 Uhrwerk, das einen mechanismus zur korrektur einer anzeige umfasst Pending EP4375763A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP22209465.8A EP4375763A1 (de) 2022-11-24 2022-11-24 Uhrwerk, das einen mechanismus zur korrektur einer anzeige umfasst
JP2023134547A JP2024076334A (ja) 2022-11-24 2023-08-22 時計ムーブメント及び時計
KR1020230137892A KR20240077414A (ko) 2022-11-24 2023-10-16 디스플레이 보정 메커니즘을 포함하는 측시 무브먼트
US18/515,443 US20240176301A1 (en) 2022-11-24 2023-11-21 Horological movement comprising a display correction mechanism
CN202311591743.6A CN118068670A (zh) 2022-11-24 2023-11-24 包括显示校正机构的钟表机芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22209465.8A EP4375763A1 (de) 2022-11-24 2022-11-24 Uhrwerk, das einen mechanismus zur korrektur einer anzeige umfasst

Publications (1)

Publication Number Publication Date
EP4375763A1 true EP4375763A1 (de) 2024-05-29

Family

ID=84361570

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22209465.8A Pending EP4375763A1 (de) 2022-11-24 2022-11-24 Uhrwerk, das einen mechanismus zur korrektur einer anzeige umfasst

Country Status (5)

Country Link
US (1) US20240176301A1 (de)
EP (1) EP4375763A1 (de)
JP (1) JP2024076334A (de)
KR (1) KR20240077414A (de)
CN (1) CN118068670A (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2169861A1 (de) * 1971-12-28 1973-09-14 Seiko Instr & Electronics
FR2283477A1 (fr) * 1974-08-27 1976-03-26 Ebauches Sa Mouvement de montre-calendrier a dispositif correcteur du quantieme et du jour
EP2707778A1 (de) 2011-05-12 2014-03-19 Manufacture La Joux-Perret SA Uhr
EP3144743A1 (de) 2015-09-15 2017-03-22 ETA SA Manufacture Horlogère Suisse Uhrwerk mit einem datumskorrektur-mechanismus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2169861A1 (de) * 1971-12-28 1973-09-14 Seiko Instr & Electronics
FR2283477A1 (fr) * 1974-08-27 1976-03-26 Ebauches Sa Mouvement de montre-calendrier a dispositif correcteur du quantieme et du jour
EP2707778A1 (de) 2011-05-12 2014-03-19 Manufacture La Joux-Perret SA Uhr
EP3144743A1 (de) 2015-09-15 2017-03-22 ETA SA Manufacture Horlogère Suisse Uhrwerk mit einem datumskorrektur-mechanismus

Also Published As

Publication number Publication date
CN118068670A (zh) 2024-05-24
US20240176301A1 (en) 2024-05-30
KR20240077414A (ko) 2024-05-31
JP2024076334A (ja) 2024-06-05

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