EP2241943B1 - Chronographenmechanismus und mit diesem Mechanismus ausgerüstete Uhr - Google Patents

Chronographenmechanismus und mit diesem Mechanismus ausgerüstete Uhr Download PDF

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Publication number
EP2241943B1
EP2241943B1 EP10003430.5A EP10003430A EP2241943B1 EP 2241943 B1 EP2241943 B1 EP 2241943B1 EP 10003430 A EP10003430 A EP 10003430A EP 2241943 B1 EP2241943 B1 EP 2241943B1
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EP
European Patent Office
Prior art keywords
hammer
heart
piece
wheel
pivot spindle
Prior art date
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Active
Application number
EP10003430.5A
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English (en)
French (fr)
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EP2241943A2 (de
EP2241943A3 (de
Inventor
Pierre-Maurice Rochat
Didier Christophe Masuy
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
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Patek Philippe SA Geneve
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Publication of EP2241943A3 publication Critical patent/EP2241943A3/de
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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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/06—Manufacture or mounting processes
    • 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
    • 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
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G04F7/0809—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with single hammers, i.e. one hammer acts on each counter
    • 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
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G04F7/0814—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with double hammer, i.e. one hammer acts on two counters

Definitions

  • the present invention relates to a chronograph mechanism, in particular a column wheel, comprising a first wheel integral with a first core and a first hammer cooperating with said first core.
  • US 3,495,397 discloses a chronograph mechanism comprising a chronograph wheel on which are fixed a heart of seconds and a seconds indicator, a minute counter wheel carrying a heart of minutes and cooperating with a meter jumper, and a hammer seconds and a minute hammer cooperating with the corresponding hearts; the seconds and minutes hammers are pivoted coaxially independently of each other and each subjected to a single hammer spring tending to rotate them towards their respective cores; a connecting member connects the hammer minutes to the seconds hammer while allowing them to move angularly relative to each other by a predetermined value, all arranged so that in position surrender to zero performed, said hammers are both in contact with the base of their respective heart.
  • the hammers of seconds 1 and 2 minutes came from a single piece which is driven on a hammer gun 7 pivoted on a pin 3 cylindrical or conical fixed on a bridge or plate 10 of the movement.
  • the height adjustment of the hammers of the seconds 1 and minutes 2 relative to the heart of the seconds 5 of the chronograph wheel 8 and at the heart of the minutes 6 of the minute counter wheel 9 is carried out by a qualified watchmaker when assembling hammers. This adjustment can be long and complicated and requires a highly qualified workforce.
  • the object of the present invention is to provide a chronograph mechanism, in particular a device for pivoting the hammer or hammers of said mechanism, for which the height adjustment of said hammers relative to to their respective heart is facilitated, free of retouching of parts and economical in working time of the watchmaker.
  • the present invention relates to a chronograph mechanism comprising a first integral wheel of a first core, and a first hammer cooperating with said first core.
  • This mechanism is distinguished by the fact that the first hammer is driven on a pivot axis pivoted freely between two bridges or between a bridge and the plate of movement and each end of which constitutes a pivot which is pivoted freely in a stone driven into a housing said bridges or platinum; and in that the first hammer as well as the stones in which the pivots of the pivot axis are freely pivoted are driven respectively on the pivot axis and in the corresponding housings so that the watchmaker, on assembly of the mechanism, can adjust in situ the height of the first hammer relative to its respective core only by changing the axial position of the first hammer on its pivot axis and / or by pushing said stones in their housing.
  • the first wheel can refer to the chronograph wheel.
  • the first heart is the heart of seconds and the first hammer means the hammer of the seconds cooperating with its heart of seconds.
  • the first wheel may designate the minute counter wheel, the first heart then being the heart of the minutes and the first hammer the minute hammer.
  • the chronograph mechanism according to the invention may also comprise a second wheel secured to a second core and a second hammer cooperating with said second core.
  • the second wheel can indifferently designate the chronograph wheel or the minute counter wheel, the second cores and second hammers respectively designating the heart of the seconds and the seconds hammer and the heart of the minutes and the hammer of the minutes. minutes.
  • the chronograph mechanism comprises a first wheel integral with a first core, a second wheel secured to a second core and a first and a second hammer. cooperating with the first and the second heart respectively.
  • the first wheel designates the chronograph wheel, the first heart, the heart of the seconds and the first hammer the hammer of the seconds; and the second wheel designates the minute counter wheel, the second heart the minute heart and the second hammer the minute hammer. It is obvious that the first wheel could have indifferently designated the minute counter wheel and the second wheel, the chronograph wheel with their respective hearts and hammers.
  • a chronograph wheel 11 integral with a heart of seconds 12
  • a minute counter wheel 13 integral with a minute heart 14
  • a seconds hammer 23 separate from each other.
  • 'a cooperating minute 24 hammer with their respective hearts are traditional of a chronograph mechanism and will not be described in more detail.
  • the column wheel or chronograph mechanism cam, as well as the clutch rocker, the drive wheel and the chronograph wheel stopper are all traditional and will not be illustrated or described in detail.
  • the present chronograph mechanism also comprises a pivot axis 15 having a central portion 15a, on which is driven a ring 16, and two upper ends 17 and lower 18 in the form of a pivot.
  • the upper ends 17 and lower 18 of the pivot axis 15 are pivoted between two bridges 19, 20 or between a bridge and the plate of the movement.
  • a first stone 22 is driven into a housing 22a of the lower deck 20.
  • a second stone 21 is driven into a housing 21a of the upper deck 19.
  • the upper 17 and lower 18 ends of the pivot axis 15 are respectively rotated in the second and first stones 22, 21.
  • the seconds hammer 23 and the minute hammer 24 form two separate and independent parts of each other.
  • the seconds hammer 23 is driven on the central portion 15a of the pivot axis 15 between the ring 16 and the upper bearing 19. Traditionally, one end of the second hammer 23 ends with a failure 25 intended to cooperate with the heart of seconds 12.
  • the minutes hammer 24 has at one of its ends a bore 27 for freely rotating said minute hammer 24 around the central portion 15a of the pivot axis 15 between the seconds hammer 23 and the ring 16.
  • the other end of the minute hammer 24 terminates in a traditional manner by a failure 26 intended to cooperate with the minute heart 14.
  • a connecting member 28 connects the seconds hammer and the minutes hammer to maintain them in a given angular position with or without angular play.
  • the minutes hammer 24 can be driven on the central portion 15a of the pivot axis 15 between the ring 16 and the second hammer.
  • the angular position of the minute hammer 24 and seconds hammer 23 is then set during the driving of the latter on the pivot axis 15 and the connecting member 28 is no longer necessary.
  • the hammers seconds and minutes can be formed by a single piece in one piece.
  • said piece forming the hammers seconds and minutes is driven on the central portion 15a of the pivot axis 15.
  • the connecting member 28 is no longer necessary.
  • the first stone 22 is driven upwards in its housing 22a of a bridge 20 or the plate 20.
  • the second stone 21 is driven in the high position in its housing 21a of a bridge 19.
  • the second hammer 23 is driven on the central portion 15a of the pivot axis 15 in a specific position. Preferably, this position corresponds to the actual height of the seconds hammer 23 with respect to its second core 12 once the mechanism is assembled.
  • the lower end 18 of the pivot axis 15 is then placed in the first stone 22.
  • the ring 16 is also driven on the axis 15 and the minutes hammer 24, if it is independent of the seconds hammer 23, is either pivoted freely on the pivot axis 15 is chased on said axis.
  • the watchmaker then controls the height of the hammers seconds 23 and minutes 24 relative to their respective heart 12, 14.
  • the watchmaker adjusts their height by depressing the first stone 22 in its housing 22a.
  • the watchmaker adjusts the height of the hammers by raising the latter on their pivot axis 15.
  • the watchmaker then places the upper end 17 of the pivot axis 15 in the second stone 21 and fixes the bridge carrying the second stone 21.
  • the watchmaker adjusts the axial frustum of the pivot axis 15 by pressing the second stone 21 into its housing 21a.
  • first stone 22, the second stone 21 as well as the second hammer 23 must be driven so as to allow a possible adjustment by the watchmaker while guaranteeing the resistance necessary for the proper functioning of the chronograph mechanism which contains them, as in a finishing gear.
  • the watchmaker no longer needs to use file and chip removal to adjust the height of the hammers.
  • the actual height can be adjusted during the pre-assembly already, the watchmaker having then only to verify that the height is correct and possibly achieve final retouching according to the method above.
  • the chronograph mechanism may comprise only a first wheel secured to a first core cooperating with a first hammer.
  • the first wheel can then indifferently designate the chronograph wheel or the minute counter wheel, the first heart and the first hammer then designating the heart of the seconds and the seconds hammer and the minute heart and the minute hammer respectively.
  • the realization, operation and in particular the adjustment of the height of the hammers of this embodiment are in all respects similar to the embodiment described above.
  • the present invention in particular the device for pivoting the hammers and the method of adjusting the height of the hammers relative to their respective core makes it possible to avoid any machining, filing, etc. when adjusting the mechanism and to reduce the working time provided by the watchmaker for the said adjustment.
  • the present invention thus has significant advantages over the prior art.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Claims (11)

  1. Chronographenmechanismus mit einem ersten Rad (11), das mit einem ersten Herzen (12) sowie einem ersten Hammer (23) verbunden ist, der mit dem ersten Herzen zusammenwirkt, dadurch gekennzeichnet, dass der erste Hammer (23) auf eine Schwenkachse (15) getrieben ist, die frei zwischen zwei Brücken oder zwischen einer Brücke und der Platine des Uhrwerks (19, 20) schwenkbar ist und von der jedes Ende (17, 18) einen Drehpunkt darstellt, der frei in einem Stein (21, 22) schwenkbar ist, der in ein Gehäuse (21a, 22a) der Brücken oder der Platine getrieben ist; und dadurch, dass der erste Hammer (23) sowie die Steine (21, 22), in denen die Drehpunkte (17, 18) der Schwenkachse (15) frei schwenkbar sind, jeweils auf die Schwenkachse (15) und in die entsprechenden Gehäuse (21a, 22a) getrieben sind, sodass der Uhrmacher bei der Montage des Mechanismus vor Ort die Höhe des ersten Hammers (23) in Bezug auf sein entsprechendes Herz nur durch Modifizierung der axialen Position des ersten Hammers (23) auf seiner Schwenkachse (15) und/oder durch Einschieben der Steine (21, 22) in ihr Gehäuse (21a, 22a) einstellen kann.
  2. Chronographenmechanismus nach Anspruch 1, dadurch gekennzeichnet, dass der Chronographenmechanismus ferner ein zweites Rad (13) umfasst, das mit einem zweiten Herzen (14) und einem zweiten Hammer (24) verbunden ist, der mit dem zweiten Herzen zusammenwirkt, wobei der erste Hammer (23) und der zweite Hammer (24) aus einem einzigen, auf die Schwenkachse (15) getriebenen Stück geformt sind.
  3. Chronographenmechanismus nach Anspruch 1, dadurch gekennzeichnet, dass der Chronographenmechanismus ferner ein zweites Rad (13) umfasst, das mit einem zweiten Herzen (14) und einem zweiten Hammer (24) verbunden ist, der mit dem zweiten Herzen zusammenwirkt, wobei der erste Hammer (23) unabhängig vom zweiten Hammer (24) ist, wobei der zweite Hammer (24) dann frei um die Schwenkachse (15) zwischen dem ersten Hammer (23) und einem auf die Schwenkachse (15) getriebenen Ring (16) schwenkbar ist und ein Verbindungselement (28) ihn mit dem ersten Hammer (23) mit oder ohne Winkelspiel verbindet.
  4. Chronographenmechanismus nach Anspruch 1, dadurch gekennzeichnet, dass der Chronographenmechanismus ferner ein zweites Rad (13) umfasst, das mit einem zweiten Herzen (14) und einem zweiten Hammer (24) verbunden ist, der mit dem zweiten Herzen zusammenwirkt, wobei der erste Hammer (23) unabhängig vom zweiten Hammer (24) ist und der zweite Hammer (24) dann in einer definierten Winkellage relativ zu dem ersten Hammer (23) auf die Schwenkachse (15) getrieben wird.
  5. Chronographenmechanismus nach Anspruch 1, dadurch gekennzeichnet, dass das erste Rad ein Chronographenrad ist, das erste Herz ein Sekundenherz ist und der erste Hammer ein Sekundenhammer ist.
  6. Chronographenmechanismus nach Anspruch 1, dadurch gekennzeichnet, dass das erste Rad ein Minutenzählerrad ist, das erste Herz ein Minutenherz ist und der erste Hammer ein Minutenhammer ist.
  7. Chronographenmechanismus nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass das erste Rad ein Chronographenrad ist, das erste Herz ein Sekundenherz ist und der erste Hammer ein Sekundenhammer ist, und dass das zweite Rad ein Minutenzählerrad ist, das zweite Herz ein Minutenherz ist und der zweite Hammer ein Minutenhammer ist.
  8. Uhr, versehen mit einem Mechanismus nach einem der vorangehenden Ansprüche.
  9. Verfahren zum Einstellen der Höhe des ersten Hammers (23) im Verhältnis zu seinem ersten Herzen bei einem Chronographenmechanismus nach Anspruch 1, dadurch gekennzeichnet, dass es die folgenden Arbeitsgänge umfasst:
    • Ein erster Stein (22) eines unteren Lagers wird in ein Gehäuse (22a) einer Brücke oder der Platine des Uhrwerks (20) nach oben getrieben;
    • Ein zweiter Stein (21a) eines oberen Lagers wird in ein Gehäuse (21a) einer Brücke (19) nach oben getrieben;
    • Ein erster Hammer (23) wird in einer vorherbestimmten Position auf eine Schwenkachse (15) mit zwei Drehpunkten (17,18) getrieben.
    • Der untere Drehpunkt (18) der Schwenkachse (15) wird in dem ersten Stein (22) des unteren Lagers angeordnet;
    • Wenn der erste Hammer (23) im Verhältnis zu seinem ersten Herzen (12) zu hoch ist, schiebt der Uhrmacher den ersten Stein (22) des unteren Lagers in sein Gehäuse (22a) ;
    • Wenn der erste Hammer (23) im Verhältnis zu seinem jeweiligen Herzen (12) zu niedrig ist, hebt der Uhrmacher den ersten Hammer (23) auf der Schwenkachse (15) an;
    • Der Uhrmacher ordnet den oberen Drehpunkt (17) der Schwenkachse (15) in dem zweiten Stein (21) des oberen Lagers an und fixiert die Brücke (19), die dieses obere Lager trägt;
    • Der Uhrmacher stellt das axiale Spiel der Schwenkachse (15) ein, indem er den zweiten Stein (21) des oberen Lagers in sein Gehäuse (21a) schiebt.
  10. Verfahren nach Anspruch 9 für einen Chronographenmechanismus nach Anspruch 4, dadurch gekennzeichnet, dass es ferner die folgenden Arbeitsgänge umfasst:
    • Der zweite Hammer (24) wird auf die Schwenkachse (15) in einer definierten Winkellage relativ zum ersten Hammer (23) getrieben;
    • Wenn der zweite Hammer im Verhältnis zu seinem zweiten Herzen (14) zu niedrig ist, hebt der Uhrmacher den zweiten Hammer auf der Schwenkachse (15) an.
  11. Verfahren nach Anspruch 9 für einen Chronographenmechanismus nach Anspruch 3, dadurch gekennzeichnet, dass es ferner die folgenden Arbeitsgänge umfasst:
    • Ein Ring (16) wird in einer vorbestimmten Position auf die Schwenkachse (15) getrieben;
    • Der zweite Hammer (24) wird auf der Schwenkachse (15) über dem Ring (16) angeordnet;
    • Wenn der erste und/oder der zweite Hammer (23, 24) im Verhältnis zu ihrem jeweiligen Herzen zu niedrig sind, hebt der Uhrmacher den ersten auf die Drehachse (15) getriebenen Hammer an und/oder hebt den Ring (16) an, der den zweiten Hammer (24) auf der Schwenkachse (15) trägt.
EP10003430.5A 2009-04-15 2010-03-30 Chronographenmechanismus und mit diesem Mechanismus ausgerüstete Uhr Active EP2241943B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00600/09A CH700751B1 (fr) 2009-04-15 2009-04-15 Mécanisme de chronographe, pièce d'horlogerie munie d'un tel mécanisme et procédé de réglage d'un tel mécanisme.

Publications (3)

Publication Number Publication Date
EP2241943A2 EP2241943A2 (de) 2010-10-20
EP2241943A3 EP2241943A3 (de) 2017-03-29
EP2241943B1 true EP2241943B1 (de) 2018-01-17

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EP10003430.5A Active EP2241943B1 (de) 2009-04-15 2010-03-30 Chronographenmechanismus und mit diesem Mechanismus ausgerüstete Uhr

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CH (1) CH700751B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH704666A2 (fr) * 2011-03-18 2012-09-28 Patek Philippe Sa Geneve Mécanisme de chronographe et pièce d'horlogerie munie d'un tel mécanisme.
JP6319834B2 (ja) * 2014-03-04 2018-05-09 セイコーインスツル株式会社 時計表示機構、時計用ムーブメント及び時計
CH713375B1 (fr) * 2017-01-18 2020-12-30 Zenith Succursale De Lvmh Swiss Mft Sa Mécanisme de chronographe comportant un dispositif de remise à zéro simultané des indicateurs de durée.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR629027A (fr) * 1927-02-11 1927-11-03 Bouchons pour horlogerie
CH253524A (fr) * 1946-02-16 1948-03-15 Schuetz & Co E Accessoire de potence à chasser les pierres percées.
DE1773023A1 (de) * 1967-06-14 1971-10-28 Valjoux Sa Vorrichtung zur Nullrueckstellung zweier Chronographenzaehler
CH579300B5 (de) * 1972-04-26 1976-08-31 Ebauches Sa

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
CH700751B1 (fr) 2014-12-15
EP2241943A2 (de) 2010-10-20
EP2241943A3 (de) 2017-03-29
CH700751A2 (fr) 2010-10-15

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