EP2251747A2 - Chronographenmechanismus und mit diesem Mechanismus ausgestattete Uhr - Google Patents

Chronographenmechanismus und mit diesem Mechanismus ausgestattete Uhr Download PDF

Info

Publication number: EP2251747A2
Authority: EP; European Patent Office
Prior art keywords: blocker; wheel; chronograph; clutch; clutch rocker
Prior art date: 2009-05-12
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

EP10003416A

Other languages

English (en)

French (fr)

Other versions

EP2251747B1 (de

EP2251747A3 (de

Inventor

Didier Christophe Masuy

Pierre-Maurice 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.)

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.)

2009-05-12

Filing date

2010-03-30

Publication date

2010-11-17

2010-03-30 Application filed by Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve

2010-11-17 Publication of EP2251747A2 publication Critical patent/EP2251747A2/de

2016-12-07 Publication of EP2251747A3 publication Critical patent/EP2251747A3/de

2018-01-31 Application granted granted Critical

2018-01-31 Publication of EP2251747B1 publication Critical patent/EP2251747B1/de

Status Active legal-status Critical Current

2030-03-30 Anticipated expiration legal-status Critical

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Classifications

- 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
- G04F7/0828—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement acting in the plane of the movement
- 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
- G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
- G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel

Definitions

the present invention relates to chronograph mechanisms of the type comprising a column wheel or a cam and to a timepiece provided with such a chronograph mechanism.
the present invention relates to a mechanical timepiece whose movement is provided with a chronograph mechanism comprising rockers and a column wheel or a cam and such a chronograph mechanism.
the subject of the present invention is a chronograph mechanism comprising a column wheel or a cam controlling the movements of a clutch rocker provided with a device for particular adjustment of the amplitude of the displacement of this clutch rocker. .
This adjustment device determines more particularly the penetration of the toothing of an intermediate wheel, pivoted on the clutch rocker, in the toothing of the chronograph wheel. This penetration of the toothing of the intermediate wheel into the toothing of the chronograph wheel is decisive for the proper operation of the chronograph mechanism.
the clutch lever bearing the intermediate wheel is pivoted concentrically to a driving wheel engaged with the intermediate wheel.
the intermediate wheel n does not mesh with the chronograph wheel.
the toothing of the intermediate wheel engages in the toothing of the chronograph wheel to cause the -this.
the degree of penetration of these teeth is unpredictable despite the accuracy of these teeth due to small modules, manufacturing tolerances as well as misery round two wheels.
This degree of penetration is determined by the position of an eccentric against which abuts the eccentric clutch lever located between the axis of rotation of the clutch rocker and the tip of this rocker.
Such adjustment of the movement of the clutch lever of a chronograph mechanism is known in particular from the document EP 1 316 869 or document CH 5821 .
the licensee has developed a new device for adjusting the penetration of the toothing of the intermediate wheel into the toothing of the chronograph wheel which is more accurate. This device is described in the published European patent application EP 1 948 531 .
All these known chronograph mechanisms also have a pivoting blocker and subjected to an elastic return action, it comprises a brake intended to come into contact with the toothing of the chronograph wheel when the chronograph is stopped.
This blocker comprises a feeler cooperating with the column wheel or the cam to place said blocker in the active position, blocking the chronograph wheel, or inactive position, releasing the chronograph wheel.
the movement of the blocker must be perfectly synchronized with that of the clutch rocker. Synchronization between the clutch rocker and the blocker depends primarily on the manufacturing accuracy of the end of the clutch rocker and the end of the blocker in contact with the column wheel or the cam. Watchmakers need to retouch, file or forge, both ends to make a good synchronization between the clutch and the blocker. This results in an important adjustment time and the intervention of specialists.
the watchmaker must also check and synchronize when the chronograph is stopped.
the clutch wheel must leave the toothing of the chronograph wheel as late as possible so that the stopper keeps the chronograph wheel in the position of the measured time without this wheel can have a rotational movement.
the present invention relates to a chronograph mechanism limiting the intervention of watchmakers for mounting and adjusting the chronograph mechanism and allowing a perfect synchronization by a simple and fast operation avoiding any retouching of parts including the blocker and the rocker clutch, columns of the column wheel or the cam.
This chronograph mechanism comprises a column wheel or a cam, a drive wheel, a clutch rocker pivoted concentrically to the drive wheel and whose free end carries a beak cooperating with the column wheel or with the cam, this clutch rocker bearing an intermediate wheel in constant engagement with the drive wheel and intended to be engaged or not in the toothing of a chronograph wheel according to the position of the clutch rocker controlled by the wheel to columns or the cam and a pivotally mounted blocker having a locking shoe cooperating with the toothing of the chronograph wheel, the clutch and the clutch rocker being subjected to spring recalls; characterized in that the clutch rocker comprises a control member against which the blocker is in abutment under the action of the return spring of the blocker.
the invention also relates to a timepiece comprising such a chronograph mechanism.
the figure 1 is a plan view of the essential parts of a first embodiment of the chronograph mechanism allowing a better synchronization, without mechanical retouching of any part of the mechanism, the blocker and clutch rocker. This figure shows the position of the parts of the chronograph mechanism when the chronograph is stopped.
the figure 2 is a plan view similar to the figure 1 the position of the parts of the chronograph mechanism being that when the chronograph is running.
the figure 3 illustrates in plan a second embodiment of the chronograph mechanism in the operating state.
the chronograph mechanism according to the invention is illustrated, in part and for its innovative components, with figures 1 and 2 , in its first embodiment.
This chronograph mechanism comprises in the illustrated example a column wheel 1 controlled in the usual manner and controlling the state of the chronograph is walking or stopping as will be described in what follows.
This column wheel can be replaced by a cam or a shuttle.
This chronograph mechanism comprises a driving wheel 2 pivoted about an axis O and a clutch rocker 3 also pivoted about the axis O, that is to say concentrically with the driving wheel 2.
This clutch lever carries an intermediate wheel 4 pivoted X on this rocker.
This intermediate wheel 4 is constantly engaged with the drive wheel 2.
the free end of the clutch rocker 3 comprises a spout 5 which cooperates with the columns 6 of the column wheel 1.
the present chronograph mechanism further comprises a blocker 11 pivoted y having a first arm carries a locking pad 12 cooperating with the toothing of the chronograph wheel 7.
a second arm of this blocker 11 carries at its end an eccentric 13.
This eccentric 13 comprises a pivot housing greasy in a bore of the second arm of the blocker 11 and a head, eccentric relative to this pivot, having a slot to allow the angular positioning of the eccentric 13 with a screwdriver .
the clutch rocker comprises an arm or control member 14 whose end face 15 is in contact with the periphery of the head of the eccentric 13.
a first return spring 16 acts on the clutch rocker 3 and tends to move the spout 5 of this rocker towards the column wheel 1.
a second return spring 17 acts on the blocker 11 and tends to rotate the blocker 11 in a clockwise direction and to apply the blocking pad 12 against the toothing of the chronograph wheel 7.
the adjustment of the penetration depth of the toothing of the intermediate wheel 4 in the toothing of the chronograph wheel 7 is for example as described in the patent EP 1 948 531 mentioned above and the synchronization of the blocker 11 is automatic since it is controlled by the clutch lever 3 directly and no longer independently by the column wheel 1.
the amplitude of the displacement of the blocker 11 and the application force the locking pad 12 against the toothing of the chronograph wheel 7 is easily and quickly adjusted using the eccentric 13 and the second return spring 17.
the eccentric 13 can be replaced by a pin or stud fixed to the blocker or even the slice
the column wheel can be replaced by a cam.
the clutch lever 3 comprises an arm or control member 20 on which is pivoted a blocker 21 at 22 by one of its ends.
the free end of this blocker is shaped so as to form a locking shoe 23 intended to cooperate with the toothing of the chronograph wheel 7.
This blocker 21 has an oblong opening 24 in which emerges the head of a pivoted eccentric 25 in the control arm.
the blocker 21 further comprises a pin 26.
a return spring 27 fixed on the control arm 20 of the clutch lever 3 rests on this pin 26 and tends to hold the blocker 21 in abutment against the eccentric 25.
the column wheel 6 can be replaced by a cam or a shuttle.
eccentric 25 could be replaced by a fixed pin.

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Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Measurement Of Unknown Time Intervals (AREA)

EP10003416.4A 2009-05-12 2010-03-30 Chronographenmechanismus und mit diesem Mechanismus ausgestattete Uhr Active EP2251747B1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH00740/09A CH700983B1 (fr)	2009-05-12	2009-05-12	Mécanisme de chronographe et pièce d'horlogerie munie d'un tel mécanisme de chronographe.

Publications (3)

Publication Number	Publication Date
EP2251747A2 true EP2251747A2 (de)	2010-11-17
EP2251747A3 EP2251747A3 (de)	2016-12-07
EP2251747B1 EP2251747B1 (de)	2018-01-31

Family

ID=42676645

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP10003416.4A Active EP2251747B1 (de)	2009-05-12	2010-03-30	Chronographenmechanismus und mit diesem Mechanismus ausgestattete Uhr

Country Status (2)

Country	Link
EP (1)	EP2251747B1 (de)
CH (1)	CH700983B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2500785A3 (de) *	2011-03-18	2017-09-13	Patek Philippe SA Genève	Uhrmechanismus und mit diesem Uhrmechanismus ausgestattete Uhr
EP3324249A1 (de) *	2016-11-17	2018-05-23	Nogerah SA	Kupplungssystem für chronograph
CH715924A1 (fr) *	2019-03-14	2020-09-15	Lvmh Swiss Mft Sa C/O Zenith Succursale De Lvmh Swiss Mft Sa	Dispositif d'embrayage latéral pour chronographe avec excentrique d'alignement de dents et mouvement de montre chronographe comprenant un tel dispositif.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH5821A (fr)	1892-11-04	1893-03-31	Lugrin Henry Alfred	Perfectionnement aux méchanismes de chronographes
EP1316869A2 (de)	2001-12-03	2003-06-04	Ortho-Clinical Diagnostics, Inc.	Verbesserungen einer Fluiddosiereinrichtung
EP1948531A2 (de)	2005-08-29	2008-07-30	Venture Design Works Limited	Vorrichtungen und verfahren für multi-fluid-abgabesysteme

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US278127A (en) *		1883-05-22		William got
CH177652A (fr) *	1934-11-06	1935-06-15	Depraz Marcel	Pièce d'horlogerie à chronographe.
US2641900A (en) *	1951-01-10	1953-06-16	Jeanneret & Co R	Timepiece with chronograph
FR2504700B1 (fr) *	1981-04-23	1985-07-05	Dodane Precia Gete Montres	Systeme de commande d'une roue d'entrainement en rotation d'une aiguille de chronographe
CH703809B1 (fr) *	2007-01-22	2012-03-30	Patek Philippe Sa Geneve	Mécanisme de chronographe à roue à colonne et pièce d'horlogerie munie d'un tel mécanisme.

2009
- 2009-05-12 CH CH00740/09A patent/CH700983B1/fr unknown
2010
- 2010-03-30 EP EP10003416.4A patent/EP2251747B1/de active Active

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH5821A (fr)	1892-11-04	1893-03-31	Lugrin Henry Alfred	Perfectionnement aux méchanismes de chronographes
EP1316869A2 (de)	2001-12-03	2003-06-04	Ortho-Clinical Diagnostics, Inc.	Verbesserungen einer Fluiddosiereinrichtung
EP1948531A2 (de)	2005-08-29	2008-07-30	Venture Design Works Limited	Vorrichtungen und verfahren für multi-fluid-abgabesysteme

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2500785A3 (de) *	2011-03-18	2017-09-13	Patek Philippe SA Genève	Uhrmechanismus und mit diesem Uhrmechanismus ausgestattete Uhr
EP3324249A1 (de) *	2016-11-17	2018-05-23	Nogerah SA	Kupplungssystem für chronograph
WO2018091476A1 (fr)	2016-11-17	2018-05-24	Nogerah Sa	Systeme d'embrayage pour chronographe
CN110073295A (zh) *	2016-11-17	2019-07-30	诺格拉公司	用于计时器的联接系统
JP2019536036A (ja) *	2016-11-17	2019-12-12	ノゲラーエスアーＮｏｇｅｒａｈＳａ	クロノグラフ用連結システム
US11226595B2 (en)	2016-11-17	2022-01-18	Nogerah Sa	Coupling system for a chronograph
JP7042822B2 (ja)	2016-11-17	2022-03-28	ノゲラーエスアー	クロノグラフ用連結システム
CH715924A1 (fr) *	2019-03-14	2020-09-15	Lvmh Swiss Mft Sa C/O Zenith Succursale De Lvmh Swiss Mft Sa	Dispositif d'embrayage latéral pour chronographe avec excentrique d'alignement de dents et mouvement de montre chronographe comprenant un tel dispositif.

Also Published As

Publication number	Publication date
CH700983B1 (fr)	2014-03-14
EP2251747B1 (de)	2018-01-31
CH700983A2 (fr)	2010-11-15
EP2251747A3 (de)	2016-12-07

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EP2251747B1 (de)	2018-01-31	Chronographenmechanismus und mit diesem Mechanismus ausgestattete Uhr
CH705056B1 (fr)	2012-12-14	Pièce d'horlogerie comportant un mécanisme de chronographe.
EP3173877B1 (de)	2019-10-16	Kalendersystem für uhr
EP2214066B1 (de)	2011-11-02	Korrekturvorrichtung für Uhrwerk, das mit zwei Zeitanzeigeorganen ausgestattet ist
EP1430367B1 (de)	2008-04-23	Chronographen-mechanismus
CH706767B1 (fr)	2016-10-14	Dispositif de commande pour mécanisme d'affichage rétrograde.
EP2221678A1 (de)	2010-08-25	Vorrichtung zum Blockieren eines Resonators in einer Uhr
EP2160659B1 (de)	2014-01-22	Vorrichtung zur betätigung einer grossen wippe zur steuerung der anzeige eines sofortdatenmechanismus einer uhr mit ewigkeits- oder säkulardatumsanzeige
EP4428624B1 (de)	2025-12-17	Vorrichtung zur autonomen einstellung der aktiven länge einer spiralfeder
CH527462A (fr)	1972-03-15	Montre-chronographe
EP4685577A1 (de)	2026-01-28	Antriebsvorrichtung für uhrwerk, insbesondere ein schwenkorgan
EP1791041A1 (de)	2007-05-30	Uhrwerk
EP0871095A1 (de)	1998-10-14	Anzeigevorrichtung mit springendem Sekundenzeiger
EP2500785B1 (de)	2018-07-18	Uhrmechanismus und mit diesem Uhrmechanismus ausgestattete Uhr
EP3855255A1 (de)	2021-07-28	Blockiervorrichtung für uhrwerk
CH711246A2 (fr)	2016-12-30	Mouvement horloger à tige de commande verticale.
CH715087B1 (fr)	2019-12-30	Pièce d'horlogerie affichant l'heure courante et comprenant au moins un premier et un deuxième dispositif d'affichage d'une grandeur liée au temps.
CH711524A2 (fr)	2017-03-15	Mouvement horloger comprenant un mécanisme de correction de la date.
EP1783567A2 (de)	2007-05-09	Uhrwerk eines Chronographen
CH340575A (fr)	1959-08-31	Machine à tricoter à main