EP3306416A1 - Mechanisches uhrwerk mit erfassung der gangreserve - Google Patents

Mechanisches uhrwerk mit erfassung der gangreserve Download PDF

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Publication number
EP3306416A1
EP3306416A1 EP16192251.3A EP16192251A EP3306416A1 EP 3306416 A1 EP3306416 A1 EP 3306416A1 EP 16192251 A EP16192251 A EP 16192251A EP 3306416 A1 EP3306416 A1 EP 3306416A1
Authority
EP
European Patent Office
Prior art keywords
wheel
locking
power reserve
differential
movement
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
EP16192251.3A
Other languages
English (en)
French (fr)
Other versions
EP3306416B1 (de
Inventor
Julien Saglini
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 EP16192251.3A priority Critical patent/EP3306416B1/de
Priority to US15/681,458 priority patent/US10365612B2/en
Priority to JP2017160964A priority patent/JP6405429B2/ja
Priority to CN201710890061.3A priority patent/CN107894699B/zh
Publication of EP3306416A1 publication Critical patent/EP3306416A1/de
Priority to HK18111497.5A priority patent/HK1252258A1/zh
Application granted granted Critical
Publication of EP3306416B1 publication Critical patent/EP3306416B1/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
    • 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
    • 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
    • G04B27/045—Changing 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/12—Driving mechanisms with mainspring with several mainsprings
    • 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
    • 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
    • G04B3/043—Locking of the operating element, also by mounting in a concealed place
    • 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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • G04B9/005—Supervision of the state of winding, e.g. indicating the amount of winding by optical indication of the amount of winding
    • 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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • G04B9/02—Devices controlled by such state, e.g. device affording protection means against overwinding

Definitions

  • the present invention relates to a mechanical clockwork movement provided with power reserve detection means.
  • the watch movement comprises at least one barrel system in connection with a differential load wheel and a differential discharge wheel.
  • a mechanical watchmaking movement generally comprises a barrel system driving at least one wheel at the load outlet and a wheel at the discharge outlet respectively connected to a load wheel and a discharge wheel of a differential.
  • a set of wheels in connection with an intermediate wheel of the differential controls a power-reserve display, but no movement element is provided for a movement-locking operation when the power-reserve is at zero.
  • the patent EP 0 568 499 B1 discloses a power reserve indicator device for a mechanical watch.
  • the indicator device comprises at least one star wheel with an indicator member, which is rotated during loading or unloading of the barrel.
  • the indicator organ makes it possible to display the power reserve of the watch. However nothing is planned to ensure a blocking of the movement, when the power reserve approaches zero.
  • the patent CH 698 752 B1 describes a timepiece, which includes a mechanism for indicating the power reserve. It comprises two barrels facing each other and connected by a common tree, which controls the display mechanism of the power reserve. However nothing is planned to ensure a blocking of the movement, when the power reserve approaches zero.
  • the main purpose of the invention is therefore to overcome the drawbacks of the state of the art by proposing a mechanical clockwork movement provided with power reserve detection means and capable of blocking the operation of the movement when the power reserve is present. is close to zero.
  • the present invention relates to a mechanical clockwork movement provided with power reserve detection means, which comprises the characteristics of the independent claim 1.
  • An advantage of the mechanical clockwork movement is that it is possible to use a locking wheel, which causes the power reserve indicator to block the movement by means of a locking element, which can be a finger disposed on the axis of the mobile.
  • the locking wheel is driven by an intermediate wheel of the differential.
  • the finger comes into contact with the differential discharge wheel, when the power reserve is zero. Even with the indication of the power reserve at zero, the barrel of the barrel system is still sufficiently loaded to operate the watch movement nearly 2 hours of time.
  • the figures 1a and 1b represent a three-dimensional view from above of certain components of the mechanical clockwork movement 1 in normal operating position in figure 1a and in blocking position of the movement in figure 1b .
  • the mechanical clockwork movement 1 comprises at least one not shown barrel system, which can be arranged on one side of a movement watch plate or another support plate.
  • This barrel system can be single barrel or two barrels well known and having a load output and a discharge outlet for driving in particular a time base wheel not shown.
  • the mechanical clockwork movement 1 comprises, for example on a face of a watch plate 100 or a support plate, a differential 2 rotatably mounted about an axis of rotation and connected respectively to the charge output and to the discharge outlet of the barrel system.
  • the differential 2 is connected directly or via a gear stage or speed reduction chain 3, 4 to the load output and the discharge output of the cylinder system.
  • the differential 2 can be connected via a speed reduction stage 3, 4 to the load output and the discharge output of the cylinder system so as to reduce the rotation for the detection of the power reserve explained below.
  • a set of wheels for example gear wheels 4a, 4b, 4c, 4d, 4e can be provided between a discharge wheel of the barrel system and the differential 2.
  • a set of wheels for example of gear wheels 3a, 3b, 3c, 3d can be used between a winding member and the charging outlet of the barrel system, which rather defines a multiplier stage in this sense.
  • the differential 2 comprises a first load wheel 2c and a second discharge wheel 2d disposed preferably on the same axis of rotation as the first load wheel 2c.
  • the differential 2 further comprises an intermediate wheel 2i between the load wheel 2c and the discharge wheel 2d and in contact with the load wheel and the discharge wheel in particular by means of a ball bearing arrangement or with rollers.
  • the first load wheel 2c can drive a first wheel 3a of the load wheel assembly 3, while the second wheel of discharge 2d can be rotated by the final wheel 4a of the discharge wheel assembly 4.
  • the load wheel 2c In normal operation of the watch movement after a charging operation of the barrel system, the load wheel 2c remains fixed without rotation, while the discharge wheel 2d is rotating. In this way, the intermediate wheel 2i is rotated in the same direction as the discharge wheel 2d, but with a rotational speed smaller than the rotational speed of the discharge wheel 2d.
  • the load wheel 2c is driven in a direction of rotation opposite to the direction of rotation of the discharge wheel. This has the consequence of driving the intermediate wheel 2i also in the direction of rotation of the load wheel 2c, since the rotation generated at the load wheel 2c is greater in this case than the rotation of the discharge wheel 2d.
  • the intermediate wheel 2i of the differential 2 is connected to a locking wheel 5.
  • This locking wheel 5 can rotate about an axis of rotation of a maximum power reserve position as shown in FIG. Figures 2a and 3a at a power reserve position at zero, which is a lock position of the watch movement, as shown in FIGS. figures 2b and 3b .
  • the locking wheel 5 comprises a first wheel 5 ', which is fixed on the axis of rotation. This first wheel 5 'is in contact with the intermediate wheel 2i of the differential 2 and driven by said intermediate wheel 2i.
  • the first wheel 5 ' may comprise a toothing for meshing with a toothing of the intermediate wheel 2i.
  • the locking wheel 5 may further comprise a second wheel 5 "fixed on the axis of rotation and arranged coaxially above and parallel to the first wheel 5 'This second wheel 5" is intended to be directly connected to a power reserve indicator 7 or via a drive wheel 6, 6 'to the power reserve indicator 7.
  • the locking wheel 5 may also comprise only one wheel 5 'in contact with the intermediate wheel 2 1 of the differential, and connected directly to the power reserve indicator 7 or via the drive wheel 6, 6 'to the power reserve indicator 7.
  • the locking mobile 5 further comprises a locking element 15 mounted on the axis of rotation and intended to come into contact with the discharge wheel 2d of the differential 2 for the blocking of the movement, when the power reserve is zero.
  • the locking element 15 is preferably arranged between the first wheel 5 'and the second wheel 5 "of the locking wheel 5.
  • This locking element can be in the form of a finger 15 with a portion 15' of contact With the discharge wheel 2d in the locked position, this portion 15 'of contact is preferably a tooth 15' inserted between two teeth of a toothing of the discharge wheel 2d of the differential 2 to block the movement.
  • the finger 15 is rotatably mounted on the axis of rotation and further provided with a lug 15 "disposed in a banana-shaped opening 25 made in the first wheel 5 'of the locking wheel 5
  • the lug 15 "of the finger 15 comes into abutment with one end of the banana-shaped opening 25 of the first wheel 5 ', which makes it possible to drive the finger 15 of the maximum power reserve position as shown in FIGS. figures 1a , 2a and 3a at the power-reserve position to zero as shown in figures 1b , 2b and 3b which corresponds to a locking position of the watch movement.
  • the banana-shaped opening 25 describes a circular arc around the axis of rotation of the locking device 5, for example at an angle between 10 ° and 60 °.
  • the locking element may be formed on the first wheel 5 'projecting in the form of a notch, which is intended to come into contact with the discharge wheel 2d of the differential in the locked position when the power reserve is at zero.
  • the drive wheel 6 is rotated by the second wheel 5 "of the locking wheel 5.
  • the periphery of this drive wheel 6 may comprise a toothing for meshing with an external toothing provided on the periphery of the second wheel 5 ".
  • a central gear 6 'of the drive wheel 6 of smaller diameter comes into contact with a display wheel 7 of the power reserve indicator.
  • a needle can be provided fixed on the axis of rotation of the display wheel 7 mounted on the watch plate 100.
  • the power reserve indication needle can be observed on a watch dial for the indication. of the power reserve.
  • the blocking member of the locking member can also be driven in a rectilinear manner by the first wheel of the locking wheel to block the differential discharge wheel when the power reserve is zero.
  • the watch movement may be in the form of a module with all the elements arranged in said module.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Retarders (AREA)
  • Electromechanical Clocks (AREA)
EP16192251.3A 2016-10-04 2016-10-04 Mechanisches uhrwerk mit erfassung der gangreserve Active EP3306416B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP16192251.3A EP3306416B1 (de) 2016-10-04 2016-10-04 Mechanisches uhrwerk mit erfassung der gangreserve
US15/681,458 US10365612B2 (en) 2016-10-04 2017-08-21 Mechanical timepiece movement with running reserve detection
JP2017160964A JP6405429B2 (ja) 2016-10-04 2017-08-24 ランニングリザーブ検出を行う機械式計時器用ムーブメント
CN201710890061.3A CN107894699B (zh) 2016-10-04 2017-09-27 具有运行储备检测装置的机械钟表机芯
HK18111497.5A HK1252258A1 (zh) 2016-10-04 2018-09-06 具有運行儲備檢測裝置的機械鐘錶機芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16192251.3A EP3306416B1 (de) 2016-10-04 2016-10-04 Mechanisches uhrwerk mit erfassung der gangreserve

Publications (2)

Publication Number Publication Date
EP3306416A1 true EP3306416A1 (de) 2018-04-11
EP3306416B1 EP3306416B1 (de) 2019-08-21

Family

ID=57047131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16192251.3A Active EP3306416B1 (de) 2016-10-04 2016-10-04 Mechanisches uhrwerk mit erfassung der gangreserve

Country Status (5)

Country Link
US (1) US10365612B2 (de)
EP (1) EP3306416B1 (de)
JP (1) JP6405429B2 (de)
CN (1) CN107894699B (de)
HK (1) HK1252258A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3333637B1 (de) * 2016-12-12 2021-09-22 ETA SA Manufacture Horlogère Suisse Mechanisches uhrwerk mit erfassung der gangreserve
EP3627233B1 (de) * 2018-09-19 2022-03-30 ETA SA Manufacture Horlogère Suisse Anzeigemechanismus der gangreserve einer uhr
EP3992727A1 (de) * 2020-10-30 2022-05-04 ETA SA Manufacture Horlogère Suisse Mechanisches uhrwerk mit erfassung der gangreserve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0568499B1 (de) 1992-04-29 1997-05-21 Exidel Sa Vorrichtung zur Anzeige der Gangreserve einer Uhr
EP1760548A1 (de) * 2005-09-01 2007-03-07 Montres Journe SA Uhr mit einer Vorrichtung zur Zeitangabe durch Läutwerk
CH698752B1 (fr) 2004-11-10 2009-10-15 Frank Mueller Watchland S A Pièce d'horlogerie avec mécanisme d'indication de la réserve de marche.
EP2503405A1 (de) * 2011-03-22 2012-09-26 Montres Breguet SA Mechanismus zur selektiven stoppen des Schlagwerks einer Uhr in Abhängigkeit von der verfügbaren Gangreserve
CH710320A2 (fr) * 2014-10-31 2016-05-13 Le Cercle Des Horlogers Sa Piece d'horlogerie comportant une source d'énergie mécanique et un organe de commande.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006099882A1 (fr) * 2005-03-23 2006-09-28 Marblia Ltd Mouvement pour piece d’horlogerie
EP1925995B1 (de) * 2006-11-21 2014-06-18 Christophe Claret Engineering S.A. Schlagwerk
EP1970778B1 (de) * 2007-03-13 2009-09-16 Montres Breguet S.A. Uhr mit Anzeige der Gangreserve
EP2570866A1 (de) * 2011-09-15 2013-03-20 The Swatch Group Research and Development Ltd. Oszillatoren, die durch eine intermittierende Hemmung synchronisiert sind
US9052694B2 (en) * 2012-06-07 2015-06-09 Detra Sa Escapement device for timepiece
EP2977828B1 (de) * 2014-07-21 2017-08-30 ETA SA Manufacture Horlogère Suisse Anzeige der Gangreserve einer Uhr

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0568499B1 (de) 1992-04-29 1997-05-21 Exidel Sa Vorrichtung zur Anzeige der Gangreserve einer Uhr
CH698752B1 (fr) 2004-11-10 2009-10-15 Frank Mueller Watchland S A Pièce d'horlogerie avec mécanisme d'indication de la réserve de marche.
EP1760548A1 (de) * 2005-09-01 2007-03-07 Montres Journe SA Uhr mit einer Vorrichtung zur Zeitangabe durch Läutwerk
EP2503405A1 (de) * 2011-03-22 2012-09-26 Montres Breguet SA Mechanismus zur selektiven stoppen des Schlagwerks einer Uhr in Abhängigkeit von der verfügbaren Gangreserve
CH710320A2 (fr) * 2014-10-31 2016-05-13 Le Cercle Des Horlogers Sa Piece d'horlogerie comportant une source d'énergie mécanique et un organe de commande.

Also Published As

Publication number Publication date
JP2018059906A (ja) 2018-04-12
HK1252258A1 (zh) 2019-05-24
US20180095424A1 (en) 2018-04-05
US10365612B2 (en) 2019-07-30
CN107894699B (zh) 2020-04-10
CN107894699A (zh) 2018-04-10
EP3306416B1 (de) 2019-08-21
JP6405429B2 (ja) 2018-10-17

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