EP1024416A2 - Chronograph - Google Patents

Chronograph Download PDF

Info

Publication number
EP1024416A2
EP1024416A2 EP99124526A EP99124526A EP1024416A2 EP 1024416 A2 EP1024416 A2 EP 1024416A2 EP 99124526 A EP99124526 A EP 99124526A EP 99124526 A EP99124526 A EP 99124526A EP 1024416 A2 EP1024416 A2 EP 1024416A2
Authority
EP
European Patent Office
Prior art keywords
chronograph
snail
rocker
main
display
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.)
Withdrawn
Application number
EP99124526A
Other languages
English (en)
French (fr)
Other versions
EP1024416A3 (de
Inventor
Pascal Purro
Didier Faoro
Alexandre Vandini
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.)
Filing date
Publication date
Application filed by Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Publication of EP1024416A2 publication Critical patent/EP1024416A2/de
Publication of EP1024416A3 publication Critical patent/EP1024416A3/de
Withdrawn legal-status Critical Current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

Definitions

  • the present invention relates to a chronograph comprising a device time display cooperating with a dial and a chronograph mechanism analog display mounted on a chronograph frame.
  • the object of the present invention is to create a chronograph which also allows to display timed fractions of a second and this from very reliable and clearly legible, once the chronograph has been stopped.
  • the chronograph according to the invention is characterized by the fact that it includes a movable display member intended to indicate fractions seconds 1 / n timed and cooperating with an actuating mechanism capable of moving said movable display member of a displacement predetermined corresponding to the timed fraction of a second, when the chronograph mechanism is stopped and the actuation mechanism moved from a rest position to an active position.
  • said actuation mechanism is controlled by a actuator capable of being moved from outside the chronograph, and by the fact that the actuation mechanism is arranged so that the mobile display unit can only be moved when the chronograph mechanism is stopped.
  • Reading of the timed fraction of a second is done at user request after stopping the chronograph mechanism.
  • the actuation mechanism includes a main scale pivotally mounted on the frame and comprising a first part intended to cooperate with a snail driven by the mechanism chronograph and a second part arranged to move the organ mobile display of a displacement determined by the position recorded by the first part on the snail.
  • the chronograph includes an intermediate scale movable in action against the action of a first elastic element, arranged to lock the main rocker against the action of a second elastic element in a rest position in which its first part is away from the snail and so as to release the rocker in an active position main for the latter to raise the fraction of second timed on the snail under the effect of the second elastic element.
  • the actuation mechanism comprises first means for locking mechanism reset members chronograph when the actuation mechanism is actuated to perform an increase in the timed fraction of a second.
  • These first means advantageously include at least one element blocking provided on said intermediate rocker or the main rocker likely to cooperate with the reset hammer (s) of the mechanism chronograph so as to lock the hammer (s) in the rest position when the intermediate rocker or the main rocker is moved from the position of rest to the active position.
  • the chronograph also favorably includes second means intended on the one hand to block the actuation mechanism in the inactive position, when the chronograph mechanism is in motion and releasing the mechanism actuation, when the chronograph mechanism is stopped and, on the other hand, prevent the chronograph mechanism from operating, when the actuation mechanism is activated.
  • the second means comprise a blocking piece provided on the main scale and intended to cooperate with columns integral with a column wheel of the chronograph mechanism, the columns being arranged, on the one hand, so that said blocking piece can be introduced between the columns so that the first part of the main toggle is likely to cooperate with the snail and to block the column wheel and the chronograph mechanism in the stopped position and, on the other hand, so that the blocking piece abuts against one of the columns to retain the main rocker in an inactive position when the chronograph mechanism is engaged.
  • a blocking piece provided on the main scale and intended to cooperate with columns integral with a column wheel of the chronograph mechanism, the columns being arranged, on the one hand, so that said blocking piece can be introduced between the columns so that the first part of the main toggle is likely to cooperate with the snail and to block the column wheel and the chronograph mechanism in the stopped position and, on the other hand, so that the blocking piece abuts against one of the columns to retain the main rocker in an inactive position when the chronograph mechanism is engaged.
  • isolation and blocking measures ensure use particularly secure chronograph for pressing the pusher start-stop when a fractional second reading is performed and conversely, without risk of breaking or blocking parts of the chronograph.
  • a preferred embodiment comprises third means comprising a stop lever cooperating with the main rocker and having one end intended to cooperate with a stop star secured to the snail, when the main rocker is moved to its active position.
  • Figure 1 is a front view of this embodiment of the chronograph.
  • Figure 3 is a detail view of this actuation mechanism in rest position, the chronograph mechanism stopped.
  • Figures 4 and 5 are detailed views of the actuation mechanism when raising 0.8 and 0.4 seconds.
  • FIGS. 6A, 6B and 6C are detailed views illustrating means intended to block the chronograph reset members in different positions.
  • Figures 7A, 7B and 7C are detail views showing in particular means for blocking either the display actuation mechanism of the fractions of a second, the chronograph mechanism.
  • an embodiment of the chronograph includes a case 1, a dial 2, a time display device 3 with a small seconds 7 and a chronograph mechanism 4 with an analog display 5 comprising a minute counter 6 and a chronograph hand 8.
  • the chronograph also has a winder 9, a start and stop button chronograph 10 and a chronograph reset button 11.
  • the chronograph is further equipped with a display of fifths of a second 15 comprising, as an organ mobile display, an additional needle 16, known as the fifth of second.
  • These zones 18 include a neutral zone, corresponding to the rest position of the display member and five numbered zones 0, 2, 4, 6, 8 corresponding to 0/10, 2/10, 4/10, 6/10 and 8/10 of seconds.
  • the drive of the additional needle 16 is obtained thanks to a actuation mechanism 20 mounted on a frame 26 and described in more detail below.
  • This actuation mechanism 20 is engaged by pressing on a pusher 19, as an actuating member, disposed in the rod of the winder 9.
  • the actuating mechanism 20 is arranged so that the needle additional 16 can only be rotated when the mechanism chronograph 4 is stopped. So this is a reading of the fifths of a second at the request of the user.
  • a multiplier pinion 24 is integral with the snail and meshes with an additional 25 chronograph wheel. This last turns at the speed of one revolution per minute when the mechanism chronograph 4 is engaged.
  • the multiplier pinion 24 and the snail 21 then rotate at speed v of 6 revolutions per minute, or one revolution in ten seconds.
  • An arm 22 then corresponds to an angular offset traversed in one second and that of a rung 23 at 1/5 second.
  • the actuation mechanism 20 further comprises a rocker main 30 mounted on a reach 31 screw.
  • This main scale has a toothed sector 32 meshing with a gear train 33 engaged with a wheel 34 secured to the additional needle 16 of fifths of a second.
  • the main lever 30 is provided with a lug 35 intended to cooperate with the rungs 23 of the snail 21 to stop the rotation of the rocker in a predetermined angular position corresponding to a measurement of fifth of a second.
  • the main rocker 30 rotates in the direction senestre in Figure 3 under the action of a spring 36 bearing on a pin fixed 37 secured to the frame 26.
  • An intermediate rocker 40 for actuation is mounted on a screw serving as a pivot 41 and provided with a pin 42 intended to cooperate with the main rocker 30 to hold the latter in a rest position or inactive ( Figure 3) against the effect of spring 36. In this rest position the tenon 35 of the main lever 30 is distant from the snail 21.
  • the intermediate lever 40 When the intermediate lever 40 performs a dextral rotation, it releases the main flip-flop 30 which rotates in a direction of sinister rotation for be supported by its tenon 35 on one of the rungs 23 of the snail 21. Simultaneously, the additional needle 16 is rotated and stops in the relevant zone 18 of the additional dial to allow easy reading of the fifth of a second.
  • the intermediate lever 40 is rotated by pressing on the pusher 19 which acts on a lug 45 of a control lever 46.
  • This the latter is mounted on a pin serving as a pivot 47 and cooperates with a tenon 48 with a prominent portion 49 of the intermediate lever 40.
  • the control lever 46 rotates in a direction of sinister rotation to drive the intermediate seesaw 40 in a direction of dextral rotation against the action of a spring 50 mounted on a bridge of the frame 26 and bearing on the prominent portion 49 of the intermediate lever 40.
  • First means 58 are intended to block delivery members. zero of the chronograph mechanism when the actuation mechanism 20 is activated. Indeed, when the chronograph mechanism is stopped and we make a reading the fifth of a second, you must avoid performing a reset, this in order not to break the lug 35 of the main lever.
  • the intermediate lever 40 is provided, for this purpose, with a pin 52 which is inserted into a slot 53 provided on a hammer 54 of the chronograph reset mechanism.
  • This hammer 54 can rotate around a pin serving as a pivot 55 under the effect of a spring 56 to cooperate in a known manner with reset hearts 57 (FIGS. 6A, 6B).
  • Second means 59 are intended, on the one hand, to lock in position inactivates the actuation mechanism 20, when the chronograph mechanism is engaged, and to release this actuation mechanism 20, when the chronograph mechanism 4 is stopped and, on the other hand, to prevent a setting action of the chronograph mechanism 4, when the actuation mechanism 20 is activated. Avoid stopping the chronograph by reading the fifth of a second, when the chronograph is running and, on the other hand, prevent any risk of damage to parts by leaving the chronograph when a fifth of a second reading is performed.
  • the second means comprise, at this effect, a blocking part 60 secured to the main rocker 30.
  • This blocking part 60 has a projecting portion 61 intended to cooperate with a column wheel cap 62 fixed to a column wheel 63 of the mechanism chronograph.
  • the projecting portion 61 can penetrate the space between two columns 64 for reading the fifth of a second.
  • the seesaw main 30 can thus pivot by a predetermined angle until its tenon 35 comes into contact with the snail 21.
  • the chronograph mechanism 4 is stopped and its engagement is inhibited because rotation of the column wheel 63 is prevented by the introduction of the projecting portion 61 between two columns 64.
  • the chronograph includes third means 66 intended to block in a stopped position the snail 21, when the actuation mechanism 20 is engaged.
  • a stop lever 67 is pivotally mounted on the main rocker 30. It comprises a first arm 68 whose end 73 is capable of cooperating with a stop star 69 secured to the snail 21 and a second arm 70 subjected to the action of a spring 71 which forms with spring 36 a fixed double leaf spring on the main rocker 30.
  • This spring 71 biases the stop lever 67 according to a direction of sinister rotation so that its arm 68 rests in the rest position ( Figure 7B) on a pin 72 fixed on the main rocker 30.
  • the end 73 engages between two teeth of the star 69. This gives a good stop position defined, indexed of the snail 21 allowing a reliable reading of the fifth of second by the lug 35.
  • the pin 72 moves the stop lever 67 away from the stop star 69.
  • Figure 4 illustrates the position of the different parts, when reading the fifth of a second corresponding to 8/10 of a second.
  • the tenon 35 touches the deepest rung 23 of the snail 21.
  • the main rocker 30 therefore has rotated by the maximum angle and the additional needle 16 stops on the area bearing the number 8.
  • the hammer 54 is blocked by the first means 58, the chronograph mechanism is inhibited by the second means 59 and the snail 21 is blocked by the third means 66.
  • the pressure is released on the pusher 19, all the parts are brought back to the rest position illustrated in the Figure 3 under the effect of spring 50.
  • the position shown in Figure 5 corresponds to a reading of the fifth from second to 4/10 second.
  • Tenon 35 is placed on the third rung and the additional hand 16 therefore indicates the number 4 in the dial additional 17.
  • the first, second and third pleas 58, 59 and 66 are in their active position so as to prevent a reset, a start of the chronograph 4 and a rotation of the snail 21.
  • the embodiment described above is in no way limiting and that it can receive any desirable modifications inside the frame as defined by claim 1.
  • the number I of arms of the limaçon 21, as well as the number n of rungs 23 of the latter therefore the display precision a, could be chosen differently taking into account the frequency f of the regulating organ, in particular of the pendulum, of the movement of the chronograph.
  • the speed of rotation v of the snail 21 must be adjusted accordingly.
  • the display precision a is given by the number n of steps 23 an arm of the snail which must be chosen according to the frequency f of the pendulum.
  • the number I of arms will determine the speed of rotation v of the snail 21, which will be one turn in I seconds.
  • I will advantageously be between 1 and 20 and n between 2 and 100, preferably 5 or 10.
  • Reading the umpteenth of a second and the actuation mechanism 20 can also be arranged, not for reading on demand, but for an automatic reading which starts immediately after stopping the chronograph mechanism 4, for example thanks to a connected control element to the column wheel 63.
  • the first means 58 to block the reset can be differently arranged, for example thanks to a blocking element provided on the main scale 30.
  • the third means 66 may have other blocking elements of the snail 21, such as a lever controlled by the intermediate lever 40.
  • control lever 46 and / or the lever intermediate 40 can be deleted or combined into one room.
  • Displaying the umpteenth of a second could be done differently for example by means of a disc or a rotating ring bearing the inscriptions fractions of a second next to a fixed marker or a magnifying glass enlarging.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP99124526A 1999-01-28 1999-12-09 Chronograph Withdrawn EP1024416A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH15899 1999-01-28
CH15899A CH696713A5 (fr) 1999-01-28 1999-01-28 Chronographe mécanique.

Publications (2)

Publication Number Publication Date
EP1024416A2 true EP1024416A2 (de) 2000-08-02
EP1024416A3 EP1024416A3 (de) 2001-04-18

Family

ID=4180583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99124526A Withdrawn EP1024416A3 (de) 1999-01-28 1999-12-09 Chronograph

Country Status (2)

Country Link
EP (1) EP1024416A3 (de)
CH (1) CH696713A5 (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1296205A1 (de) * 2001-09-24 2003-03-26 Girard-Perregaux S.A. Chronographmechanismus
EP1333345A1 (de) * 2002-02-01 2003-08-06 Tag Heuer S.A. Vorrichtung mit Uhrwerk und Chronographenmodul
EP1475682A1 (de) 2003-05-09 2004-11-10 Audemars Piguet (Renaud et Papi) SA Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen
EP1475681A1 (de) * 2003-05-09 2004-11-10 Audemars Piguet (Renaud et Papi) SA Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen
EP1498789A1 (de) * 2003-07-14 2005-01-19 Eterna SA Vorrichtung zur Anzeige der Gangreserve einer mechanischen Uhr
EP1528444A4 (de) * 2003-05-29 2005-07-27 Seiko Epson Corp Vorrichtung und verfahren zur zeitmessung
WO2005091086A1 (fr) * 2004-02-17 2005-09-29 Tag Heuer Sa Montre chronographe a affichage retrograde
JP2005300282A (ja) * 2004-04-09 2005-10-27 Citizen Watch Co Ltd アナログクロノグラフ時計
EP3112956A1 (de) 2015-07-01 2017-01-04 Richemont International S.A. Retrograder chronographenmechanismus mit einholzeiger
EP3185090A1 (de) 2015-12-23 2017-06-28 Rolex Sa Zähler- und anzeigevorrichtung einer fraktion einer zeiteinheit
WO2020044258A1 (fr) 2018-08-28 2020-03-05 Patek Philippe Sa Geneve Dispositif d'affichage pour pièce d'horlogerie et piece d'horlogerie comportant un tel dispositif
CH720089A1 (fr) * 2022-10-05 2024-04-15 Richemont Int Sa Mobile pour un mécanisme horloger, mécanisme horloger, mouvement horloger, et pièce d'horlogerie correspondants

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT198201B (de) * 1957-05-25 1958-06-25 Otto Dr Ing Schwab Beobachtungsuhr

Non-Patent Citations (1)

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

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1296205A1 (de) * 2001-09-24 2003-03-26 Girard-Perregaux S.A. Chronographmechanismus
WO2003027778A3 (fr) * 2001-09-24 2003-07-10 Girard Perregaux Sa Mecanisme de chronographe
US6926438B2 (en) 2001-09-24 2005-08-09 Girard-Perregaux Sa Chronograph mechanism
WO2003065130A3 (fr) * 2002-02-01 2004-06-24 Tag Heuer Sa Dispositif comportant un mouvement horaire et un module chronographe
US8308345B2 (en) 2002-02-01 2012-11-13 Lvmh Swiss Manufactures Sa Device comprising a clock movement and a chronograph module
EP1333345A1 (de) * 2002-02-01 2003-08-06 Tag Heuer S.A. Vorrichtung mit Uhrwerk und Chronographenmodul
US8182138B2 (en) 2002-02-01 2012-05-22 Lvmh Swiss Manufactures Sa Device comprising a clock movement and a chronograph module
US8113707B2 (en) 2002-02-01 2012-02-14 Lvmh Swiss Manufactures Sa Device comprising a clock movement and a chronograph module
US7905655B2 (en) 2002-02-01 2011-03-15 Lvmh Swiss Manufactures Sa Device comprising a clock movement and a chronograph module
EP1475682A1 (de) 2003-05-09 2004-11-10 Audemars Piguet (Renaud et Papi) SA Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen
EP1475681A1 (de) * 2003-05-09 2004-11-10 Audemars Piguet (Renaud et Papi) SA Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen
EP2249215A3 (de) * 2003-05-09 2016-09-07 Audemars Piguet (Renaud et Papi) SA Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen
EP2249215A2 (de) 2003-05-09 2010-11-10 Audemars Piguet (Renaud et Papi) SA Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen
EP1528444A4 (de) * 2003-05-29 2005-07-27 Seiko Epson Corp Vorrichtung und verfahren zur zeitmessung
US7215603B2 (en) 2003-05-29 2007-05-08 Seiko Epson Corporation Clocking apparatus
EP1498789A1 (de) * 2003-07-14 2005-01-19 Eterna SA Vorrichtung zur Anzeige der Gangreserve einer mechanischen Uhr
CN100549872C (zh) * 2003-07-14 2009-10-14 绮年华股份有限公司 机械钟表构件用的运行储备时长的指示机构
US7357568B2 (en) 2003-07-14 2008-04-15 Eterna Sa Running reserve indicator for a mechanical clockwork
WO2005006088A1 (fr) * 2003-07-14 2005-01-20 Eterna Sa Mecanisme indicateur de reserve de marche pour piece d'horlogerie mecanique
US7596057B2 (en) 2004-02-17 2009-09-29 Tag Heuer Sa Chronograph watch with retrograde display
WO2005091086A1 (fr) * 2004-02-17 2005-09-29 Tag Heuer Sa Montre chronographe a affichage retrograde
CH704948B1 (fr) * 2004-02-17 2012-11-30 Lvmh Swiss Mft Sa Montre chronographe électromécanique à affichage rétrograde.
JP2005300282A (ja) * 2004-04-09 2005-10-27 Citizen Watch Co Ltd アナログクロノグラフ時計
EP3112956A1 (de) 2015-07-01 2017-01-04 Richemont International S.A. Retrograder chronographenmechanismus mit einholzeiger
EP3185090A1 (de) 2015-12-23 2017-06-28 Rolex Sa Zähler- und anzeigevorrichtung einer fraktion einer zeiteinheit
CN107045277A (zh) * 2015-12-23 2017-08-15 劳力士有限公司 用于计量和显示时间单位分数的装置
US10222758B2 (en) 2015-12-23 2019-03-05 Rolex Sa Device for counting and displaying a time unit fraction
WO2020044258A1 (fr) 2018-08-28 2020-03-05 Patek Philippe Sa Geneve Dispositif d'affichage pour pièce d'horlogerie et piece d'horlogerie comportant un tel dispositif
CN112639629A (zh) * 2018-08-28 2021-04-09 百达翡丽日内瓦公司 用于钟表的显示装置以及包括该装置的钟表
JP2021536004A (ja) * 2018-08-28 2021-12-23 パテック フィリップ ソシエテ アノニム ジュネーブ 時計用の表示装置及びこのような装置を備えた時計
US11841688B2 (en) 2018-08-28 2023-12-12 Patek Philippe Sa Geneve Display device for a timepiece and timepiece comprising such a device
CH720089A1 (fr) * 2022-10-05 2024-04-15 Richemont Int Sa Mobile pour un mécanisme horloger, mécanisme horloger, mouvement horloger, et pièce d'horlogerie correspondants

Also Published As

Publication number Publication date
EP1024416A3 (de) 2001-04-18
CH696713A5 (fr) 2007-10-15

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