EP0451338B1 - Montre à répétition - Google Patents

Montre à répétition Download PDF

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Publication number
EP0451338B1
EP0451338B1 EP90122017A EP90122017A EP0451338B1 EP 0451338 B1 EP0451338 B1 EP 0451338B1 EP 90122017 A EP90122017 A EP 90122017A EP 90122017 A EP90122017 A EP 90122017A EP 0451338 B1 EP0451338 B1 EP 0451338B1
Authority
EP
European Patent Office
Prior art keywords
quarter
hour
teeth
spring
row
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
EP90122017A
Other languages
German (de)
English (en)
Other versions
EP0451338A1 (fr
Inventor
Giulio Papi
Dominique Renaud
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.)
IWC International Watch Co AG
Original Assignee
IWC International Watch Co AG
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 IWC International Watch Co AG filed Critical IWC International Watch Co AG
Publication of EP0451338A1 publication Critical patent/EP0451338A1/fr
Application granted granted Critical
Publication of EP0451338B1 publication Critical patent/EP0451338B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B21/00Indicating the time by acoustic means
    • G04B21/02Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/12Reiterating watches or clocks

Definitions

  • the invention relates to a repeater watch with a clockwork and a spring that can be manually tensioned depending on the current hour position of the clockwork, with a circular / hourly rake designed as a component, which can be rotatably driven by the relaxing spring, and of which an hour creator of an hourly striking mechanism and a quarter-hour creator of a quarter-hour hammer mechanism can pivotally drive an hour hammer against an hour spring and a quarter hour hammer against a quarter hour spring, the hour / quarter hour rake being arranged on a spring core axis.
  • a repeater clock of the type mentioned is known from CH-A 6099.
  • a repeating watch is known from CH-A 14 007, in which the hourly rake and the quarter-hourly rake are designed as two separate components which can be rotated about separate axes.
  • a repeater watch is known from DE-C 412 846, which has two rakes arranged side by side on an axis.
  • the object of the invention is to provide a repeater clock of the type mentioned, the repeating mechanism has a particularly small size.
  • the circular disc-shaped as a component hour / quarter hour rake is freely rotatably mounted on the innerspring axis, to which the spring fixed at one end is fixed at the other end, that the innerspring axis manually engages the spring a direction of rotation in an angular position corresponding to the current hourly position of the clockwork and can be rotatably driven by the relaxing spring in the other direction of rotation, with a coupling device which can be coupled in a rotationally fixed manner when the spring core axis is driven in the spring tensioning direction spring core axis and hourly / quarter-hour rake, and which can be driven the spring core axis can be uncoupled in the spring relaxation direction after overcoming an angle of rotation corresponding to the current hours and quarter-hour position of the clockwork.
  • the teeth of the rows of teeth are preferably designed to protrude radially.
  • a particularly small size is achieved with a simple construction if the row of teeth of the hour teeth, the second row of teeth of the quarter hour teeth and the first row of teeth of the quarter hour teeth are arranged one behind the other, and in the case of spring-driven hour / quarter hour rakes after driving the Hour creator through the hours teeth alternately, the hour creator through the quarter-hour teeth of the second row of teeth and the quarter-hour creator through the quarter-hour teeth of the first row of teeth can be pivoted, since many components are then arranged in one plane, which leads to a low overall height.
  • the quarter-hour teeth of the first row of teeth preferably protrude radially further than the quarter-hour teeth of the second row of teeth and the hour teeth, the hour creator and quarter-hour creator being arranged in the circumferential direction at a distance from one another which is half a tooth distance smaller or larger than the second row of teeth of the quarter-hour teeth .
  • the coupling device determining the number of quarter-hour beats has a simple structure, if the coupling device has a decoupling lever which is pivotably mounted on the hourly / quarter-hour rake about a pivot axis parallel to the longitudinal axis of the spring core axis, which spring-loaded can be latched approximately radially into a corresponding recess in the spring core axis and can be pivoted out of the recess by means of a hook-like quarter distributor.
  • the decoupling lever can have an approximately radially protruding decoupling finger which, after overcoming an angle of rotation corresponding to the current hours of the clockwork of the hour / quarter hour calculation driven by the relaxing spring, can be engaged in a hook opening of the quarter distributor corresponding to the respective quarter hour and by overcoming another by the current quarter-hour determined angle of rotation, the further rotary movement of the hourly / quarter-hour arithmetic blocking the latching arm can be acted upon by disengaging the recess.
  • the quarter distributor is a lever which can be pivoted about an axis parallel to the longitudinal axis of the spring core axis, and which has at its one free end four consecutively arranged in the circumferential direction of the hour / quarter hour calculation, each of a quarter of an hour has associated hook openings, the quarter distributor being pivotably adjustable into a position in which the hook opening assigned to the current quarter hour protrudes into the circumferential area of the decoupler finger, and the swiveling path of the finger the hook opening engaging decoupler finger pivotally moved quarter distributor in the disengaged position of the locking arm is limited by a stop.
  • the quarter distributor can be pivoted counter to the pivoting movement to the stop until a pushbutton arranged on it can be pivoted on a quarter hour scale which can be driven by the clockwork and which has four or a multiple of four stages in a spiral in the circumferential direction, with system of the button on a step the hook opening corresponding to this step is pivoted into the circulation area of the disengaging finger.
  • the quarter distributor is preferably spring-loaded in order to rest the button on the quarter-hour scale.
  • the repeater watch shown has an elevator lever 1 which cannot be seen in FIG. 1 and which is arranged pivotably about an axis 2. By manually actuating a cam 3, the elevator lever 1 can be pivoted until an abutment pin 4 arranged thereon abuts against an hourly scale 5.
  • the hourly scale 5 is formed spirally with twelve stages and is rotatably driven by a clockwork, not shown, with one revolution in 12 hours. According to the steps, the elevator lever 1 can thus be pivoted more or less.
  • the elevator drive wheel 7 is fixedly arranged on a rotatably mounted spring core axis 8.
  • Also firmly connected to the spring core axis 8 is one end of a tension spring 9 which spirally surrounds the spring core axis 8 and the other end of which is attached to a fixed barrel 10.
  • an hourly / quarter-hour rake 11 is freely rotatably mounted on the spring core axis 8, next to which, in turn, a circular drive plate 12 is arranged in a rotationally fixed manner on the spring core axis 8, which has a recess 13 which is open radially outwards.
  • a decoupling lever 14 is pivotally mounted in the same plane as the driving disk 12, the one free lever arm of which forms a latching arm 15 which can be latched approximately radially into the recess 13 and thus rotates the hour / quarter-hour rake 11 in a rotationally fixed manner with the Drive plate 12 and the spring core axis 8 connects.
  • the decoupler lever 14 has an approximately radially protruding decoupler finger 16, by means of which the decoupler lever 14 can be pivoted in such a way that the locking arm 15 pivots out of the recess 13.
  • the decoupling lever 14 is acted upon with its latching arm 15 against the radially circumferential cylindrical outer surface of the drive plate 12 and thus latches with the latching arm 15 into the recess 13 when the latching arm 15 and recess 13 overlap reach.
  • a row of teeth with twelve teeth 18, 18, a second row of teeth with three quarter teeth 19 and a first row of teeth with three quarter hours 20 are arranged in a clockwise direction on the radially circumferential surface of the hour / quarter hour calculator 11 with radially protruding teeth.
  • the hour teeth 18 and the quarter hour teeth 19 protrude radially equally far, while the quarter hour teeth 20 protrude somewhat further radially than the other teeth.
  • the hour teeth 18 and quarter hour teeth 19 can be used by a driver 21 and an hourly scoop 22 and the quarter hour teeth 20 via a driving lug 23 one Swivel quarter-hour creator 24 against a spring force.
  • an intermediate lever 25 can be pivoted about an axis 26, which in turn engages a pivotable hour hammer lever 27 and lifts it against an hourly tone spring 30 with its hour hammer 29 against the force of a spring 28.
  • the quarter-hour creator 24 is pivoted by a quarter-hour tooth 20, which in turn transmits this movement via an intermediate lever 32 which can be pivoted about the axis 31 to a pivotable quarter-hour hammer lever 33, at the end of which a quarter-hour hammer 34 is arranged.
  • This is lifted by a quarter hour spring 35 against the force of a spring 36.
  • the quarter-hour hammer 34 strikes the quarter-hour spring 35, which produces a higher tone than the hourly spring 30.
  • a minute scoop 37 is also mounted on the axis 31, which can be pivoted by a minute rake 38 with fourteen minute teeth 39 and which also drives the quarter-hour hammer 34 via the intermediate lever 32 and the quarter-hour hammer 33 to strike the quarter-hour spring 35.
  • Hour scoop 22 and quarter hour scoop 24 are arranged one after the other in the circumferential direction at a distance that is half a tooth distance larger than the row of teeth of quarter hour teeth 19.
  • the distance of quarter hour scoop 24 from hour / quarter hour rake 11 is so large that it is not from the hour teeth 18 and the quarter-hour teeth 19 but can only be driven pivotably by the quarter-hour teeth 20.
  • a quarter distributor 40 designed as a two-armed lever is provided, which is arranged pivotably about an axis 41 parallel to the longitudinal axis of the spring core axis 8.
  • the quarter distributor 40 has four consecutively arranged approximately in the circumferential direction of the hour / quarter hour calculator 11 hook openings 42 associated with a quarter of an hour.
  • the quarter distributor 40 can be adjusted so that when the hour / quarter hour calculator 11 is turned counterclockwise, the decoupler finger 16 either moves into the first, second, third or fourth hook recess 41, and with further rotation, the quarter distributor 40 clockwise takes until it comes to rest against a stop 43.
  • the decoupler lever 14 located in one of the hook openings 42 with its decoupler finger 16 is pivoted in such a way that it is moved radially outward from the recess 13 with its locking arm 15.
  • the position shown in FIG. 6 after the repeater has expired is also the rest position in which the quarter distributor 40 is held against the force of a spring 44 acting on it in abutment against the stop 43.
  • the spring core axis 8 rotates clockwise. If the recess 13 and the latch arm 15 overlap, it engages in the recess 13 and the hourly / quarter-hour rake 11 is taken along in a clockwise direction.
  • the quarter distributor 40 can pivot counterclockwise by the force applied to the spring 44 until it comes to rest on a step of a quarter-hour scale 46 with a button 45 formed at the free end of its lever opposite the hook openings 42.
  • the quarter-hour scale 46 is designed to be driven in a spiral manner about an axis 47 and has three seasons 48, each with four levels of spiraling increasing depth. The drive works through the clockwork with one turn in three hours.
  • the button 45 comes to rest on the deepest step, which means that the last hook opening 42 in the direction of movement to the stop 43 is positioned for receiving the decoupler finger 16.
  • the button 45 can rest on the highest step and position the first hook opening 42 in the direction of movement to the stop 43 for receiving the decoupler finger 16.
  • the button 45 is placed on the second or third stage, the second and third hook openings 42 are positioned.
  • the button 45 Since in the rest position of the reversing mechanism, the button 45 is pivoted out of the area of the quarter-hour relay 46, this can be driven by the clockwork and rotate without hindrance.

Landscapes

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

Claims (11)

  1. Montre à répétition comprenant un mouvement et un ressort (9) pouvant être armé manuellement en fonction de la position momentanée des heures du mouvement, un râteau des heures/quarts (d'heure) (11), réalisé comme une pièce semblable à un disque circulaire, qui peut être entraîné en rotation par le ressort (9) qui se détend et par lequel peuvent être entraînées en pivotement une levée des heures (22) d'une sonnerie des heures et une levée des quarts (24) d'une sonnerie des quarts, pour frapper respectivement un marteau des heures (29) contre un timbre des heures (30) et un marteau des quarts (34) contre un timbre des quarts (35), le râteau des heures/quarts (11) étant disposé sur un axe noyau de ressort (8), caractérisée en ce que le râteau des heures/quarts (11), réalisé comme une pièce semblable à un disque circulaire, est monté librement rotatif sur l'axe noyau de ressort (8), auquel le ressort, disposé stationnaire par l'une de ses extrémités, est fixé par son autre extrémité, et que l'axe noyau de ressort (8) peut être entraîné manuellement dans un sens de rotation, avec armement du ressort, jusqu'à une position angulaire correspondant à la position momentanée des heures du mouvement, et peut être entraîné dans l'autre sens de rotation par le ressort qui se détend, avec prévision d'un dispositif d'accouplement qui est embrayable, ce qui solidarise en rotation l'axe noyau de ressort (8) et le râteau des heures/quarts (11), lors de l'entraînement de l'axe noyau de ressort (8) dans le sens de l'armement du ressort, et qui est débrayable, après qu'un angle de rotation correspondant à la position momentanée des 5 heures et des quarts d'heure du mouvement a été franchi, lors de l'entraînement de l'axe noyau de ressort (8) dans le sens de détente du ressort.
  2. Montre à répétition selon la revendication 1, caractérisée en ce qu'une rangée de dents composée de dents d'heures (18) et une première rangée de dents composée de dents de quarts (20) sont formées sur la surface latérale, faisant le tour radialement, du râteau des heures/quarts (11), les dents d'heures (18) pouvant entraîner en pivotement la levée des heures (22) et les dents de quarts (20) pouvant entraîner en pivotement la levée des quarts (24).
  3. Montre à répétition selon la revendication 2, caractérisée en ce qu'une seconde rangée de dents composée de secondes dents de quarts (19) est formée sur la surface latérale, faisant le tour radialement, du râteau des heures/quarts (11), dents par lesquelles peut être entraînée en pivotement la levée des heures (22).
  4. Montre à répétition selon une des revendications précédentes, caractérisée en ce que les dents (18, 19, 20) des rangées de dents sont conformées pour faire saillie radialement.
  5. Montre à répétition selon une des revendications précédentes, caractérisée en ce que la rangée des dents d'heures (18), la seconde rangée des dents de quarts (19) et la première rangée de dents de quarts (20) sont disposées l'une derrière l'autre, dans cet ordre, et que, le râteau des heures/quarts (11) étant entraîné par le ressort, après l'entraînement de la levée des heures (22) par les dents d'heures (18), la levée des heures (22) et la levée des quarts (24) peuvent être entraînées alternativement en pivotement par les dents de quarts (19) de la seconde rangée et par les dents de quarts (20) de la première rangée.
  6. Montre à répétition selon la revendication 5, caractérisée en ce que les dents de quarts (20) de la première rangée font davantage saillie radialement que les dents de quarts (19) de la seconde rangée et les dents d'heures (18), et que la levée des heures (22) et la levée des quarts (24) sont disposées à une distance l'une de l'autre, dans le sens périphérique, qui est plus petite ou plus grande d'un demi-espacement de dents que la seconde rangée de dents de quarts (19).
  7. Montre à répétition selon une des revendications précédentes, caractérisée en ce que le dispositif d'accouplement possède un levier de débrayage (14) monté pivotant sur le râteau des heures/quarts (11) autour d'un axe de pivotement parallèle à l'axe longitudinal de l'axe noyau de ressort (8), levier qui, sous la charge d'un ressort, peut être encliqueté à peu près radialement, par un bras d'arrêt (15), dans une encoche (13) correspondante de l'axe noyau de ressort (8), et peut être dégagé par pivotement hors de cette encoche (13) au moyen d'un distributeur de quarts (40) crochu.
  8. Montre à répétition selon la revendication 7, caractérisée en ce que le levier de débrayage (14) possède un doigt de débrayage (16) faisant saillie à peu près radialement et qui, après qu'a été franchi un angle de rotation correspondant à peu près aux heures momentanées du mouvement du râteau des heures/quarts (11), entraîné par le ressort qui se détend, peut être engagé dans une ouverture de chrochet (42) du distributeur de quarts (40) correspondant au quart d'heure concerné et peut être sollicité par celui-ci, en pivotement, après qu'a été franchi un angle de rotation supplémentaire fixé par le quart d'heure momentané, de manière à dégager le bras d'arrêt (15) de l'encoche (13) et à bloquer la poursuite du mouvement de rotation du râteau des heures/quarts (11).
  9. Montre à répétition selon la revendication 8, caractérisée en ce que le distributeur de quarts est un levier pivotant sur un axe (41) parallèle à l'axe longitudinal de l'axe noyau de ressort (8) et présentant, à son extrémité libre, quatre ouvertures de crochet (42) coordonnées chacune à un quart d'heure et disposées l'une derrière l'autre, à peu près dans le sens de la périphérie du râteau des heures/quarts (11), que le distributeur de quarts (40) est ajustable pour pouvoir être amené par pivotement à une position dans laquelle l'ouverture de crochet (42) coordonnée au quart d'heure momentané fait saillie dans la zone de circulation du doigt de débrayage (16), de manière à pouvoir recevoir ce doigt, et que le trajet de pivotement du distributeur (40), animé d'un pivotement par le doigt de débrayage (16) pénétrant dans l'ouverture de crochet (42), est limité par une butée (43) à la position (15) de décliquetage ou de dégagement de l'encoche (13).
  10. Montre à répétition selon la revendication 9, caractérisée en ce que le distributeur de quarts (40) peut être amené à pivoter, en sens contraire au pivotement vers la butée (43), jusqu'à l'application d'un poussoir (45) disposé sur lui contre une roue échelonnée de quarts (46) pouvant être entraînée en rotation par le mouvement et qui présente, l'un derrière l'autre dans le sens de la périphérie et à la façon d'une spirale, quatre gradins ou un multiple de quatre gradins, l'agencement étant tel que lorsque le poussoir (45) est appliqué contre un gradin, l'ouverture de crochet (42) correspondant à ce gradin a été amenée par pivotement dans la zone de circulation du doigt de débrayage (16).
  11. Montre à répétition selon la revendication 10, caractérisée en ce que le distributeur de quarts (40) est chargé par ressort dans le sens de l'application du poussoir (45) contre la roue échelonnée de quarts.
EP90122017A 1990-04-13 1990-11-17 Montre à répétition Expired - Lifetime EP0451338B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4012028A DE4012028A1 (de) 1990-04-13 1990-04-13 Repetieruhr
DE4012028 1990-04-13

Publications (2)

Publication Number Publication Date
EP0451338A1 EP0451338A1 (fr) 1991-10-16
EP0451338B1 true EP0451338B1 (fr) 1993-12-15

Family

ID=6404381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90122017A Expired - Lifetime EP0451338B1 (fr) 1990-04-13 1990-11-17 Montre à répétition

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EP (1) EP0451338B1 (fr)
DE (2) DE4012028A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE412846C (de) * 1925-04-28 Kramer Carl Wiederholungsschlagwerk fuer Uhren, dessen Ablauf durch das Gehwerk geregelt wird
US383260A (en) * 1888-05-22 walzee
CH6099A (fr) * 1893-01-04 1893-08-15 Mathey Tissot E Montre à répétition à quarts, perfectionnée
CH7894A (fr) * 1894-01-18 1894-08-15 Z Pantillon Montre à grande sonnerie et répétition
CH9962A (fr) * 1895-03-29 1895-10-31 Aubert George Mécanisme réglant la sonnerie des quarts et minutes dans les montres à répétition de façon à supprimer les silences de longueur variable qui séparent la sonnerie des heures de celle des quarts ou minutes
CH14007A (fr) * 1897-04-05 1897-09-30 Freres Reymond Mécanisme simplifié de répétition à minutes
CH16382A (fr) * 1898-04-30 1898-11-30 Marchand & Sandoz Mécanisme perfectionné de montre à répétition

Also Published As

Publication number Publication date
EP0451338A1 (fr) 1991-10-16
DE59003898D1 (de) 1994-02-03
DE4012028A1 (de) 1991-10-17

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