EP0451341B1 - Montre à répétition - Google Patents

Montre à répétition Download PDF

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Publication number
EP0451341B1
EP0451341B1 EP90122021A EP90122021A EP0451341B1 EP 0451341 B1 EP0451341 B1 EP 0451341B1 EP 90122021 A EP90122021 A EP 90122021A EP 90122021 A EP90122021 A EP 90122021A EP 0451341 B1 EP0451341 B1 EP 0451341B1
Authority
EP
European Patent Office
Prior art keywords
minute
repeater
graded
stop
scale
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
EP90122021A
Other languages
German (de)
English (en)
Other versions
EP0451341A1 (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 EP0451341A1 publication Critical patent/EP0451341A1/fr
Application granted granted Critical
Publication of EP0451341B1 publication Critical patent/EP0451341B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/12—Reiterating watches or clocks

Definitions

  • the invention relates to a repeating watch with a minute scale, which is adjustable depending on the current minute position of the clockwork and by which the starting position of a minute rake can be determined, from which the minute rake can be rotatably driven into its rest position by a manually tensionable spring drive, with a minute rake operable percussion mechanism, by means of which a stop hammer can be pivotally driven to strike a gong spring.
  • CH-A-7905 In such repeater watches, it is known (CH-A-7905) to provide a minute scale for every quarter of an hour, which are movably drivable by a drive arranged centrally to the minute tube.
  • This training is very space-consuming and component-intensive and is determined by the arrangement centered on the minute tube with the location of its placement in the housing.
  • the object of the invention is therefore to provide a repeater clock of the type mentioned, which requires less space and a few simple components and can be arranged largely freely at any point in the housing of the clock.
  • one or more radial arms minute transmitter is rotatably driven by the clockwork, the arms are slidable along a ramp of a single minute scale and the minute scale against a spring force is pivotally adjustable about a pivot axis.
  • the minute rake can be spring-loaded with a minute scanner against the minute scale, the pivoting position of the minute scale can be swiveled.
  • the minute scale in the contact area of the minute button preferably has a minute position at which the minute button can be struck.
  • the minute scale in the contact area of the minute switch can be designed like a rack and a tooth recess can be assigned to each minute position to be scanned.
  • the number of minute positions to be scanned may correspond to a sliding period of an arm of the minute transmitter along the ramp, preferably a sliding period being a quarter of an hour and the minute series having fifteen minute positions.
  • the ramp is arranged at the free end of a minute-scale button, which is opposite from a working position the action of the minute transmitter driven by the clockwork in a time reset position is pivotally mounted on the minute scale and in the time reset position allows the minute transmitter to be rotated counter to the drive direction by the clockwork, the minute hand of the watch can be reset easily, since the minute scale button with the The ramp can be moved into a position which allows the minute transmitter to be turned back freely.
  • the minute scale button is in its working position during normal operation, the minute scale button is preferably spring-loaded into the working position.
  • the working position of the minute scale button can be determined by a stop arranged on the minute scale, against which the minute scale button pivoted in the direction of action by the minute transmitter is pivoted.
  • the exact working position of the minute scale button can be adjusted relative to the minute transmitter.
  • the stop can be the cylindrical outer surface of a stop cylinder, which can be rotated about an axis eccentric to its longitudinal axis and parallel to the swivel axis of the minute scale button.
  • the free end face of the stop cylinder can have a recess, preferably a radially extending slot, into which a tool can be inserted in a form-fitting manner.
  • the adjustment can be carried out with a fully assembled watch using a screwdriver.
  • the minute scale can be blocked by the minute transmitter from an adjustment stop in a disengaged position of the ramp, the adjustment stop being movable against its spring force from its blocking position into a release position releasing the pivoting movement of the minute scale.
  • the adjustment stop can be arranged at the free end of a stop lever pivotable about a pivot axis and is preferably in the blocking position with the end face of its free end in contact with a stop surface of the minute scale.
  • the stop lever with its end face along the ramp-like rising stop surface is slidable to move the ramp into the blocking position at a distance of minutes, the ramp is simultaneously moved into a wear-preventing position when the stop lever is pivoted into the blocking position.
  • stop lever can be moved into the release position by a manually pivotable elevator lever that tensions the spring of the spring drive, no additional movement is required
  • Operating elements when the repeating mechanism is actuated automatically moves the minute scale into its working position.
  • the minute series is blocked again in the disengaged position of the ramp.
  • the release position of the stop lever is assumed in that at a distance from the pivot axis of the stop lever on the stop lever a slide pin is arranged, which is in contact with a cam track of the elevator lever, the cam track rotating the lift lever in the spring tensioning direction the stop lever over the slide pin moved to the release position.
  • the repeater watch shown has an elevator lever 1 (not shown in FIG. 1) which can be driven to pivot about a pivot axis 2 by manually actuating its actuating cam 3.
  • a tension spring of a spring drive 5 which is also not shown, can be tensioned via a toothed segment 4 of the elevator lever 1 when the elevator lever 1 is pivoted clockwise.
  • a minute drive wheel 6, which engages in a toothed segment 7 of a minute rake 8, can be driven in a clockwise direction to actuate a striking mechanism against the force of a spring 25 about a pivot axis 9.
  • the minute rake 8 has a sawtooth-shaped toothed rack 10 which extends concentrically to the pivot axis 9 and through the 14 teeth 11 of which a pivotably mounted minute scraper 12 can be driven in a clockwise direction counter to the force of a spring 13.
  • the minute scraper 12 pivots a pivotably mounted intermediate lever 14, which in turn engages a pivotable stop lever 16 provided with a stop hammer 15 and pivots the stop hammer 15 away from a gong spring 17 against the force of a spring 18. If the probe 19 of the minute scraper 12 slides over the tip of a tooth 11, the minute scraper 12 falls back into its starting position. However, this can also strike the gong spring 17 with the force of the tensioned spring 18 and generate a sound.
  • a quarter hour scoop 20 can also be pivoted about the same axis as the minute scraper 12, by means of which the stop hammer 15 can be actuated in the same way as the minute scraper 12.
  • the second tone is triggered by an hourly and quarter-hour rake 21 which can also be driven by the spring drive 5 and which acts on a second tone spring 26 via an hour scraper 22, an intermediate lever 23, a stop lever 24 and a stop hammer 50.
  • the pivotal movement of the minute rake 8 which determines the minutes to be struck counterclockwise is determined by a minute button 27 which is fixedly arranged on the minute rake 8 and which comes into contact with a rack of minutes 28 in the system area.
  • the minute scale 28 For each minute to be struck, the minute scale 28 has a tooth recess 29 - fourteen recesses in the example shown - in which the minute key 27 can engage.
  • the minute scale 28 can be pivoted about a pivot axis 30 arranged at its end opposite the tooth recesses 29, depending on the current minute position of the clockwork of the clock.
  • the minute scale 28 has a minute scale button 31 which is pivotably mounted on it at a distance from the pivot axis and which is designed with a ramp 32 at its end opposite the articulation.
  • the minute relay button 31 rests with an arm 33 against a stop cylinder 34 arranged on the minute relay 28 and limiting a further rotary movement in the clockwise direction and is acted upon by a spring 35 also arranged on the minute relay 28 against the stop cylinder 34.
  • the stop cylinder 34 is rotatably arranged about an axis eccentric to its longitudinal axis and parallel to the pivot axis 30 of the minute scale button 31, so that by turning the stop cylinder 34 by means of a screwdriver inserted into a slot 36 on the end face of the stop cylinder 34, the stop position of the stop cylinder 34 and thus the working position of the minute scale button 31 can be adjusted.
  • a minute transmitter 37 is rotatably mounted about an axis 38 and is driven counterclockwise by the clockwork with one revolution per 1.5 hours.
  • the minute transmitter 37 has six evenly distributed, radially projecting arms 39, one of which can slide along the ramp 32.
  • the minute scale is pivoted increasingly clockwise and enables the minute switch 27 to snap into a tooth recess 29 at one point of the minute scale 28, which corresponds to the respective minute position of the minute transmitter 37. This position then also corresponds to the position of the minute rake 8, so that a corresponding number of stops on the gong spring 17 are made by the stop hammer.
  • a likewise six-armed incident star 40 which can engage with the free ends of its arms 41 in the tooth gaps of a rotatably mounted quarter-star star 42 and can cooperate with it to scan the quarter-hour strikes.
  • a stop 44 pivotable about a pivot axis 43 pivots counter-clockwise with its end face under the action of a spring 45 acting on it 46 in the region of a stop surface 47 of the minute series 28, which rises like a ramp with respect to the swivel path of the end surface 46 Swiveling of the minute series 28 in the direction of the minute transmitter 37 blocked.
  • the elevator lever 1 has a cam track 48 on which a sliding bolt 49, which is arranged at a distance from the pivot axis 43 on the stop lever 44, is in contact.

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

Claims (20)

  1. Montre à répétion comportant un limaçon des minutes déplaçable en fonction de la position de minutes instantanée du mouvement d'horlogerie et par lequel peut être fixée la position initiale d'un râteau de minutes, à partir de laquelle le râteau de minutes peut être entraîné en rotation à sa position de repos par un mouvement à ressort à remontage manuel, ainsi qu'une sonnerie manoeuvrable par le râteau de minutes et qui peut faire pivoter un marteau venant frapper un timbre, caractérisée en ce que le mouvement d'horlogerie peut faire tourner un transmetteur de minutes (37) présentant un ou plusieurs bras radiaux (39), dont les bras (39) peuvent glisser le long d'une rampe (32) d'un seul limaçon des minutes (28) et sont déplaçables en faisant pivoter le limaçon des minutes (28) à l'encontre d'une force élastique autour d'un axe de pivotement (30).
  2. Montre à répétition selon la revendication 1, caractérisée en ce que le râteau de minutes (8) est chargé par ressort pour pouvoir pivoter et s'appliquer par un palpeur de minutes (27) jusque contre le limaçon des minutes (28), en palpant la position en pivotement du limaçon des minutes (28).
  3. Montre à répétition selon la revendication 2, caractérisée en ce que le limaçon des minutes (28) présente, dans la zone d'application du palpeur de minutes (27), une position de minute pour chaque minute à palper, position contre laquelle peut venir s'appliquer le palpeur de minutes (27).
  4. Montre à répétion selon la revendication 3, caractérisée en ce que le limaçon des minutes (28) est réalisé à la façon d'une crémaillère dans la zone d'application du palpeur de minutes (27) et un entredent (29) est coordonné à chaque position de minute à palper.
  5. Montre à répétition selon une des revendications précédentes, caractérisée en ce que le nombre des positions de minutes à palper du limaçon des minutes (28) correspond à une période de glissement d'un bras (39) du transmetteur de minutes (37) le long de la rampe (32).
  6. Montre à répétition selon la revendication 5, caractérisée en ce qu'une période de glissement est égale à un quart d'heure et le limaçon des minutes (28) possède quinze positions de minutes.
  7. Montre à répétition selon une des revendications précédentes, caractérisée en ce que la rampe (32) est disposée sur l'extrémité libre d'un palpeur de limaçon des minutes (31), qui est monté sur le limaçon des minutes (28) de manière à pouvoir pivoter à partir d'une position de travail, à l'encontre de la sollicitation du transmetteur de minutes (37), mû par le mouvement d'horlogerie, à une position de remise à zéro du temps compté et permet, à cette position de remise à zéro, une rotation du transmetteur de minutes (37) en sens contraire à son entraînement par le mouvement d'horlogerie.
  8. Montre à répétition selon la revendication 7, caractérisée en ce que le palpeur de limaçon des minutes (31) est chargé par ressort pour rester à la position de travail.
  9. Montre à répétition selon la revendication 7, caractérisée en ce que la position de travail du palpeur de limaçon des minutes (31) est déterminée par une butée placée sur le limaçon des minutes (28) et contre laquelle pivote le palpeur de limaçon des minutes (31) dans le sens de la sollicitation de celui-ci par le transmetteur de minutes (37).
  10. Montre à répétition selon la revendication 9, caractérisée en ce que la butée est réglable.
  11. Montre à répétition selon la revendication 10, caractérisée en ce que la butée est la surface latérale cylindrique d'un cylindre de butée (34) qui est ajustable par rotation autour d'un axe excentré par rapport à son propre axe longitudinal et parallèle à l'axe de pivotement (30) du palpeur de limaçon des minutes (31).
  12. Montre à répétition selon la revendication 11, caractérisée en ce que la face frontale libre du cylindre de butée (34) présente un évidement dans lequel un outil peut être engagé à complémentarité de formes.
  13. Montre à répétition selon la revendication 12, caractérisée en ce que l'évidement est une fente (36) orientée radialement.
  14. Montre à répétition selon une des revendications précédentes, caractérisée en ce que le limaçon des minutes (28) est blocable par une butée réglable à une position où le transmetteur de minutes (37) ne vient pas en prise avec la rampe (32).
  15. Montre à répétition selon la revendication 14, caractérisée en ce que la butée réglable est déplaçable de sa position de blocage, à l'encontre d'une force élastique, à une position de libération autorisant le mouvement de pivotement du limaçon des minutes (28).
  16. Montre à répétition selon la revendication 15, caractérisée en ce que la butée réglable est disposée sur l'extrémité libre d'un levier de butée (44) monté pivotant autour d'un axe de pivotement (43).
  17. Montre à répétition selon la revendication 16, caractérisée en ce que, à la position de blocage, le levier de butée (44) est appliqué par la face d'extrémité (46) de son extrémité libre contre une face de butée (47) du limaçon des minutes (28).
  18. Montre à répétition selon la revendication 17, caractérisée en ce que le levier de butée (44) peut glisser par sa face d'extrémité (46) le long de la face de butée (47), montant à la façon d'une rampe, en déplaçant la rampe (32) à distance du transmetteur de minutes (37) à la position de blocage.
  19. Montre à répétition selon la revendication 15, caractérisée en ce que le levier de butée (44) est déplaçable à la position de libération par un levier de remontoir (1) que l'on peut faire pivoter manuellement et qui bande le ressort du mouvement à ressort (5).
  20. Montre à répétition selon la revendication 19, caractérisée en ce que le levier de butée (44) porte, à distance de son axe de pivotement (43), une cheville de coulissement (49) appliquée contre un profil de came (48) du levier de remontoir (1), profil de came (48) qui, lorsque le levier de remontoir (1) tourne dans le sens du bandage du ressort, déplace le levier de butée (44) par l'intermédiaire de la cheville de coulissement (49) à la position de libération.
EP90122021A 1990-04-13 1990-11-17 Montre à répétition Expired - Lifetime EP0451341B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4012027A DE4012027A1 (de) 1990-04-13 1990-04-13 Repetieruhr
DE4012027 1990-04-13

Publications (2)

Publication Number Publication Date
EP0451341A1 EP0451341A1 (fr) 1991-10-16
EP0451341B1 true EP0451341B1 (fr) 1993-08-11

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ID=6404380

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Application Number Title Priority Date Filing Date
EP90122021A Expired - Lifetime EP0451341B1 (fr) 1990-04-13 1990-11-17 Montre à répétition

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EP (1) EP0451341B1 (fr)
DE (2) DE4012027A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102289186B (zh) * 2010-09-29 2012-11-21 天津海鸥表业集团有限公司 一种机械报时手表的报时控制机构
CN103425039B (zh) * 2012-05-25 2016-01-27 天津海鸥表业集团有限公司 一种机械表中的自动报时启动控制结构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH7905A (fr) * 1894-01-27 1894-07-31 Le Coultre & Cie Mécanisme de répétition à minutes simplifié et monté sur un mouvement de montre simple
CH15933A (fr) * 1898-01-11 1898-08-31 Marchand & Sandoz Mécanisme de sonnerie perfectionné pour montres à répétition
FR360934A (fr) * 1905-12-26 1906-05-07 Paul Loichot Mécanisme de grande sonnerie et répétition pour pièces d'horlogerie

Also Published As

Publication number Publication date
EP0451341A1 (fr) 1991-10-16
DE59002330D1 (de) 1993-09-23
DE4012027A1 (de) 1991-10-17

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