EP1459138B1 - Formuhrwerk mit chronograph - Google Patents

Formuhrwerk mit chronograph Download PDF

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Publication number
EP1459138B1
EP1459138B1 EP02769841A EP02769841A EP1459138B1 EP 1459138 B1 EP1459138 B1 EP 1459138B1 EP 02769841 A EP02769841 A EP 02769841A EP 02769841 A EP02769841 A EP 02769841A EP 1459138 B1 EP1459138 B1 EP 1459138B1
Authority
EP
European Patent Office
Prior art keywords
wheel
chronograph
clutch
lever
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.)
Expired - Lifetime
Application number
EP02769841A
Other languages
English (en)
French (fr)
Other versions
EP1459138A2 (de
Inventor
Carlos Dias
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.)
Manufacture Roger Dubuis SA
Original Assignee
Manufacture Roger Dubuis SA
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 Manufacture Roger Dubuis SA filed Critical Manufacture Roger Dubuis SA
Priority to EP02769841A priority Critical patent/EP1459138B1/de
Publication of EP1459138A2 publication Critical patent/EP1459138A2/de
Application granted granted Critical
Publication of EP1459138B1 publication Critical patent/EP1459138B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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 a timepiece with non-circular shape movement provided with a chronograph mechanism comprising rockers and a column wheel.
  • the movements of wristwatches equipped with a chronograph mechanism are generally circular.
  • the main reason is that the chronograph mechanism occupies a large area.
  • the surface reduction is generally between 10% and 15% with respect to the surface of the circle in which this shape movement is inscribed. This loss of surface to accommodate the chronograph mechanism adds to the area occupied by the exhaust mechanism, representing about 30% of the remaining area, which must be left free to not interfere with the setting of the watch.
  • Such an example of a chronograph mechanism is described in the document CH32314 and features a central seconds wheel that carries a pin to drive at every turn a hammer engaged with a wheel of a minute counter positioned by a jumper.
  • the subject of the present invention is a timepiece with non-circular shape movement associated with a chronograph mechanism as defined by claim 1.
  • the advantage of the proposed solution is to reduce the space occupied by the chronograph mechanism and thus offer the possibility of achieving in particular a wristwatch shaped with such a mechanism.
  • the clockwork movement of non-circular shape to which the chronograph mechanism is associated is a movement comprising an additional reduction mobile between the barrel and the center wheel also called large average, to rotate the barrel more slowly and
  • a motor spring can be housed, which can make the movement work for about 10 days in order to ensure a useful working period of 8 days.
  • the movement is still provided with a power reserve indicator mechanism.
  • the chronograph mechanism that is the subject of the invention is completely integrated in the shape movement, that is to say that all the components of which it is composed are directly mounted on the various decks of the gear train. without intermediate support allowing an optimal use of the space as well in surface as in height.
  • the non-circular shape watch movement illustrated by the figure 1 shows in particular a chronograph mechanism, a control lever 1 pivotally mounted around a screw 1a screwed into the barrel bridge B and one end 1b is intended to be connected to a single pusher (not shown) coaxial with the winding stem T.
  • a single pusher not shown
  • the end 1b of the flip-flop 1 could also be in front of "2 hours”.
  • the other end of this control lever 1 terminates in a pawl 2 engaged with ratchet teeth 4a ( figure 3 ) a column wheel 4.
  • a return spring r 1 tends to return the control lever 1 in a rest position illustrated in figure 1 against a stop 1d working with the edge of an oval opening 1c, thus defining two limit positions.
  • Another return spring r 2 tends to keep the pawl 2 constantly in engagement with the ratchet toothing 4a.
  • This column wheel 4 is selectively in direct contact with all the latches of the chronograph mechanism.
  • One of these rockers is the rocker 5 of the reset hammers carrying two hammers 5a, 5b and pivoted about an axis 5c integral with the barrel bridge B.
  • This rocker 5 is engaged with a return spring r 5 which constantly presses it towards the column wheel 4.
  • Another rocker is a brake 6 constantly pushed against the column wheel 4 by an elastic arm 6a stamped with the brake 6 and bearing against a stop 6c.
  • This brake 6 is pivotally mounted around a screw 6b screwed into the barrel bridge B.
  • a third flip-flop is the clutch rocker 10 which has a semi-circular mobile pivoting opening 10a pivotally mounted around a circular surface 14a of a pivoting plate 14, itself pivotally mounted around a screw 14b screwed in a bridge S of the seconds wheel 15a ( figure 11 ).
  • the angular position of this pivoting plate 14 is adjustable around the axis of this screw 14b by means of an eccentric 13.
  • the semicircular movable pivoting opening 10a has a range that opens on the upper face of the rocker 10. This range serves to retain the rocker 10 between the bridge of seconds S and a scope surrounding the circular surface 14b of the pivot plate 14, opening on the underside of this plate 14 and adjusting on the complementary bearing of the semicircular mobile pivoting opening 10a of the rocker 10.
  • the clutch rocker 10 comprises two upper 10s and lower 10i parts assembled by a screw 10v ( figure 11 ) between which a clutch wheel 16 is pivotally mounted. This clutch wheel 16 is constantly engaged with a driving wheel 15 integral with the axis of the seconds wheel 15a.
  • the seconds bridge S is higher than the deck of the finishing train R.
  • the difference in height is chosen so as to allow the driving wheel 15 and the clutch rocker 10 to pass over the bridge of the cog.
  • a return spring r 10 ( figure 1 ) pushes the clutch rocker 10 clockwise around the circular pivoting surface 14, so that the end of this clutch rocker 10 is constantly in contact with the column wheel 4.
  • a last flip-flop, said inter-meter flip-flop 21 is pivotally mounted around a screw 21a.
  • a return spring r 21 pushes this latch 21 clockwise and presses one of its ends against the column wheel 4 (FIG. figure 3 ).
  • the other end of this rocker carries an intermediate wheel 18 of the minute counter which is constantly engaged with a wheel 8 of the minute counter whose pivot axis 8a ( figure 10 ) crosses the entire movement to exit the dial side of the movement to carry a needle (not shown) of the minute counter.
  • This wheel 8 of the minute counter again carries a heart-shaped cam 9 ( figure 3 ) intended to cooperate with the arm 5a of the reset hammer 5 during the resetting of the minute counter.
  • a chronograph wheel 19 is further pivoted at the center of the movement and its axis traverses the entire movement to exit the dial side of the movement to carry a needle (not shown) of the seconds counter.
  • This chronograph wheel 19 carries a drive finger 17 of the intermediate wheel 18 of the minute counter ( figures 5 and 9 ) driving the wheel 8 of this counter every rotation, that is to say once a minute.
  • This chronograph wheel also carries a heart-shaped reset cam 20 ( figure 3 ) intended to cooperate with the arm 5b of the reset hammer 5.
  • a jumper spring 3 is engaged with the ratchet toothing 4a of the column wheel and a jumper spring 7 is engaged with the wheel 8 of the minute counter.
  • the penetration of the clutch wheel 16 carried by the clutch rocker 10 is adjustable by means of an abutment 11 constituted by an eccentric, serving to limit the pivoting of the clutch rocker 10 in the clockwise direction. a watch, thus making it possible to regulate the penetration of the gearing of the clutch wheel in that of the chronograph wheel 19.
  • Another eccentric stop 12 serves to limit the pivoting of the intermediate lever 21 in the direction of clockwise and consequently the penetration of the drive finger 17 into the toothing of the intermediate wheel 18.
  • the figure 2 shows the workings of the watch movement.
  • this movement comprises an additional mobile 24 between the toothing of the barrel 22 enclosing the: motor spring (not shown) and the gear 23a of the center wheel 23.
  • This additional mobile 24 increases the reduction between the barrel 22 and the center wheel 23, so that the barrel 22 rotates more slowly than in a classic movement, which increases the power reserve of the watch from about two days for a classic watch to about ten days in this case, 8 days useful.
  • the gearing of the power reserve indicator is essentially on the dial side of the movement ( Figures 13 and 14 ).
  • this train comprises a reference 37 engaged on the one hand with the ratchet 36 of the barrel 22 and on the other hand with a differential wheel 38, whose shaft 38a traverses the movement and comprises a square 38b engaged with a reference 31 meshing with a satellite 32 pivotally mounted on a rod 30a of a ring 30 carrying the differential.
  • This ring 30 is engaged with a return 29 which meshes with a pinion 28a of a wheel 28 coaxial with the barrel 22 and which is in kinematic connection with the barrel 22 thanks to a double pinion 39 meshing simultaneously with the toothing of the barrel 22 and that of the wheel 28.
  • the pinion 32a of the satellite 32 meshes with an intermediate wheel 33 which meshes with a drive wheel 34 whose pinion 34a meshes with a toothed sector 35 carrying the power reserve indicator (not shown) which moves at an angle of 90 ° for example, between the arming and disarming of the mainspring contained in the barrel 22.
  • the figure 13 indicates with arrows the respective directions of rotation of the various mobiles of the power reserve indicator gear during the winding phase of the mainspring.
  • the mobiles without arrows correspond to those which are fixed, that is to say the barrel 22, the double pinion 39, the coaxial wheel 28 to the barrel 22, the return 29 and the differential ring 30.
  • the figure 14 indicates with arrows the respective directions of rotation of the mobile power indicator wheel reserve during the disarming phase of the mainspring.
  • the mobiles that remain motionless during this phase do not have arrows, it is the ratchet 36, the reference 37, the differential wheel 38 and the satellite driver gear 31 integral with the differential wheel 38.
  • the Figures 3 to 8 show the only chronograph mechanism during the different phases of a complete cycle of operation.
  • the figure 3 shows this mechanism reset.
  • the arrows indicate which organs are moving and the respective directions of movement. All the mechanism members are idle with the exception of the drive wheel 15 and the clutch wheel 16 which are kinematically connected to the wheel 22-27 of the movement of the watch.
  • the figure 4 illustrates the start-up phase of the chronograph mechanism.
  • the arrows show which organs are moving and their respective directions of movement.
  • This start-up is controlled by the rocker 1 following a pressure exerted on its end adjacent to the winding rod T ( figure 1 ).
  • This pressure rotates the column wheel 4 by 20 ° in a clockwise direction and this rotation causes the rocker 5 to move in the direction of the arrows and the hammers 5a, 5b to be released, as well as the movement of the hammers.
  • clutch rockers 10 and inter counter 21 in the respective directions of the arrows.
  • the figure 5 shows the chronograph running.
  • the levers engaged with the columns of the column wheel 4 are in the same positions as before, and all the wheels of the chronograph mechanism are moving in the respective directions indicated by the arrows.
  • the control rocker 1 is returned to the rest position.
  • Regarding the intermediate wheel 18 and the minute counter wheel 8 they are driven step by step by the finger 17 of the chronograph wheel 19, once per revolution of this wheel 19, that is to say one times per minute.
  • the figure 7 shows the chronograph stopped, that is to say that compared to the figure 6 , we stopped exercising press on the control lever 1, so that it has returned to the rest position under the pressure of the return spring r 1 , thus setting the pawl 2 in the ready position to actuate the column wheel by a new step of 20 °.
  • the brake 6 holds the chronograph wheel 19 in the position in which the chronograph mechanism has been stopped, allowing the reading of the time measured by this mechanism between its start and stop.
  • the last function is to reset the hands of the seconds and minutes counter. It is illustrated by the figure 8 in which we see that the hammer 5 is pushed against the cams in hearts 9 and 20. Simultaneously, the brake 6 releases the chronograph wheel 19, the latch 21 releases the finger 17, thus allowing the reset of the hands of the counters of minutes and seconds.
  • the figure 3 shows the respective positions of the chronograph mechanism of organs after reset, once the control lever 1 has been brought in the rest position by the return spring r 1.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electromechanical Clocks (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Confectionery (AREA)
  • Lubricants (AREA)

Claims (8)

  1. Mechanisch angetriebenes Uhrwerk mit einer von einer Kreisgestalt abweichenden Form, das mit einem Chronometermechanismus gekoppelt ist,
    - mit einer Schaltwippe (10), die ein Schaltrad (16) trägt, das kinematisch mit dem Sekundenrad des Uhrwerks gekoppelt ist, um dieses wahlweise mit einem Sekundenrad des Chronographen (19), mit einer Bremswippe (6) des Sekundenrades des Chronographen (19), mit einem Minutenzählrad (8) und mit einer Klöppel (5a, 5b) aufweisenden Wippe (5) zum Rückstellen des Rades des Chronographen (19) und des Rades des Minutenzählers (8) in Eingriff zu bringen,
    - mit einem Säulenrad (4), mit einer Steuerwippe (1) für das Säulenrad (4), mit federnden Rückzugselementen (r10, 6a, r5) zum Versetzen der Schalt-, Brems- und Klöppelwippen (10, 6, 5) in Eingriff mit dem Säulenrad (4), so dass alle Bewegungen der Wippen (10, 6, 5) die schrittweise Bewegung des Säulenrades (4) ergeben,
    wobei das Sekundenrad des Chronographen (19) einen Antriebsfinger (17) aufweist, wobei der Chronographenmechanismus über eine weitere Wippe (21) verfügt, die ein Zwischenrad (18) trägt, das mit dem Rad des Minutenzählers (8) in Eingriff ist, wobei diese Wippe (21) unter Druckausübung eines elastischen Rückzugselementes im direkten Eingriff mit dem Säulenrad (4) ist, um wahlweise das Zwischenrad (18) mit dem Antriebsfinger (17) des Sekundenrades des Chronographen (19) in Eingriff zu bringen, um das Rad des Minutenzählers (8) bei jeder Drehung des Sekundenrades des Chronographen (19) anzutreiben.
  2. Uhrwerk nach Anspruch 1, bei dem die sich durch die Wippen (5, 6, 10, 21) und das Säulenrad (4) des Chronographenmechanismus gebildete Einheit nur in etwa der Hälfte der Oberfläche des Werkes befindet.
  3. Uhrwerk nach einem der vorangehenden Ansprüche, das durch eine Armbanduhr gebildet ist.
  4. Uhrwerk nach einem der vorangehenden Ansprüche, das über ein Räderwerk verfügt, das ein zusätzliches Demultiplikationsteil (24) zwischen dem Zentralrad (23) und dem Antriebsfederrad (22) aufweist, um zu gestatten, dass in dem Federrad (22) eine Antriebsfeder angeordnet ist, die dazu eingerichtet ist, eine Gangreserve im Bereich von zehn Tagen vorzuhalten.
  5. Uhrwerk nach Anspruch 4, bei dem das Werk mit einem Anzeigemechanismus für die Gangreserve ausgestattet ist.
  6. Uhrwerk nach einem der vorangehenden Ansprüche, bei dem eine der Wippen des Chronographenmechanismus eine Schaltwippe (10) ist, die ein Schaltteil (16) trägt, wobei die Schwenkachse dieser Schaltwippe (10) im Wesentlichen koaxial mit der Achse eines Antriebsrades (15) des Schaltteiles (16) und an einem Organ (14) angebracht ist, das um eine Achse einstellbar ist, die auf einer Geraden liegt, welche dieses mit der Achse des Antriebsrades (15) verbindet, wobei diese Gerade einen Winkel < 180° in Bezug auf die Gerade bildet, welche die Achsen des Antriebsrades (15) und des Schaltteiles (16) derart verbindet, dass der Eingriff zwischen den Zähnen des Antriebsrades (15) und des Schaltteiles (16) einstellbar ist.
  7. Uhrwerk nach Anspruch 6, bei dem die Schaltwippe (10) eine bewegliche Schwenkfläche (10a) aufweist, die von einer konzentrischen Auflagefläche umgeben ist, die auf deren Oberseite mündet und mit einer komplementären Schwenkfläche (14a) gekoppelt ist, die mit einem Brückensteg (S) des Räderwerkes verbunden und im Wesentlichen koaxial mit der Achse des Sekundenrades (15a) ist, wobei die komplementäre Schwenkfläche (14a) von einer konzentrischen Schwenkfläche umgeben ist, die auf deren Unterseite mündet, komplementär zu der Auflagefläche der mobilen Schwenkfläche (10a) ist und zum Zurückhalten der Wippe (10) an dem Brückensteg (S) des Räderwerkes dient.
  8. Uhrwerk nach einem der vorangehenden Ansprüche, bei dem der Betätigungsstößel der einzigen Steuerwippe (1) koaxial mit der Aufzugswelle (T) des Antriebsfederrades ist.
EP02769841A 2001-11-09 2002-11-07 Formuhrwerk mit chronograph Expired - Lifetime EP1459138B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02769841A EP1459138B1 (de) 2001-11-09 2002-11-07 Formuhrwerk mit chronograph

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP01811079A EP1316863A1 (de) 2001-11-09 2001-11-09 Formuhrwerk mit Chronograph
EP01811079 2001-11-09
EP02769841A EP1459138B1 (de) 2001-11-09 2002-11-07 Formuhrwerk mit chronograph
PCT/CH2002/000602 WO2003040835A2 (fr) 2001-11-09 2002-11-07 Piece d'horlogerie a mouvement de forme muni d'un chronographe

Publications (2)

Publication Number Publication Date
EP1459138A2 EP1459138A2 (de) 2004-09-22
EP1459138B1 true EP1459138B1 (de) 2010-08-11

Family

ID=8184231

Family Applications (2)

Application Number Title Priority Date Filing Date
EP01811079A Withdrawn EP1316863A1 (de) 2001-11-09 2001-11-09 Formuhrwerk mit Chronograph
EP02769841A Expired - Lifetime EP1459138B1 (de) 2001-11-09 2002-11-07 Formuhrwerk mit chronograph

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP01811079A Withdrawn EP1316863A1 (de) 2001-11-09 2001-11-09 Formuhrwerk mit Chronograph

Country Status (5)

Country Link
EP (2) EP1316863A1 (de)
AT (1) ATE477521T1 (de)
AU (1) AU2002336029A1 (de)
DE (1) DE60237309D1 (de)
WO (1) WO2003040835A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH695802A5 (fr) * 2001-10-23 2006-08-31 Franck Muller Watchland Sa Dispositif de commande pour pièce d'horlogerie.
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.
EP2053474B1 (de) 2007-10-22 2012-12-12 Omega SA Chronographenuhr
EP2602675B1 (de) * 2011-12-08 2014-08-27 ETA SA Manufacture Horlogère Suisse Uhrwerk umfassend einen Chronographenmechanismus mit Säulenrad
CH714798B1 (fr) * 2018-03-19 2022-03-31 Hublot Sa Geneve Mécanisme de chronographe pour pièce d'horlogerie.
CH715923B1 (fr) * 2019-03-14 2022-03-15 Lvmh Swiss Mft Sa C/O Zenith Succursale De Lvmh Swiss Mft Sa Dispositif d'embrayage latéral pour chronographe à deux renvois 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
CH32314A (fr) * 1904-10-15 1905-07-15 Wittnauer & Co Mécanisme de chronographe-compteur
GB531829A (en) * 1939-03-29 1941-01-13 Jaeger Ets Ed Improvements in or relating to eight day clock-work
CA1023153A (en) * 1976-04-14 1977-12-27 Gino L. Nicodemo Timing device for accumulating a telephone long distance call charge

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH161093A (fr) * 1932-03-24 1933-04-15 Jacot Guyot Henri Mouvement d'horlogerie à chronographe.
CH172778A (fr) * 1934-03-12 1934-10-31 Jacot Guyot Henri Montre chronographe, de forme.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH32314A (fr) * 1904-10-15 1905-07-15 Wittnauer & Co Mécanisme de chronographe-compteur
GB531829A (en) * 1939-03-29 1941-01-13 Jaeger Ets Ed Improvements in or relating to eight day clock-work
CA1023153A (en) * 1976-04-14 1977-12-27 Gino L. Nicodemo Timing device for accumulating a telephone long distance call charge

Also Published As

Publication number Publication date
ATE477521T1 (de) 2010-08-15
WO2003040835A3 (fr) 2004-05-27
DE60237309D1 (en) 2010-09-23
WO2003040835A2 (fr) 2003-05-15
AU2002336029A1 (en) 2003-05-19
EP1459138A2 (de) 2004-09-22
EP1316863A1 (de) 2003-06-04

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