EP2096504B1 - Mechanismus zur Anzeige der toten Sekunden - Google Patents

Mechanismus zur Anzeige der toten Sekunden Download PDF

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Publication number
EP2096504B1
EP2096504B1 EP20090153157 EP09153157A EP2096504B1 EP 2096504 B1 EP2096504 B1 EP 2096504B1 EP 20090153157 EP20090153157 EP 20090153157 EP 09153157 A EP09153157 A EP 09153157A EP 2096504 B1 EP2096504 B1 EP 2096504B1
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EP
European Patent Office
Prior art keywords
arbor
pinion
display
mechanism according
display mobile
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.)
Ceased
Application number
EP20090153157
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English (en)
French (fr)
Other versions
EP2096504A2 (de
EP2096504A3 (de
Inventor
Richard Habring
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 la Joux Perret SA
Original Assignee
Manufacture la Joux Perret SA
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Filing date
Publication date
Application filed by Manufacture la Joux Perret SA filed Critical Manufacture la Joux Perret SA
Publication of EP2096504A2 publication Critical patent/EP2096504A2/de
Publication of EP2096504A3 publication Critical patent/EP2096504A3/de
Application granted granted Critical
Publication of EP2096504B1 publication Critical patent/EP2096504B1/de
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B13/00—Gearwork
    • G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement

Definitions

  • Second dead watches with a single barrel are also known.
  • the document CH 303336 gives an illustration of such a mechanism.
  • An actuating member is arranged to receive a pulse, once per second, provided by a star secured to a moving member of the movement.
  • the actuator transmits the energy received to a display wheel positioned by a jumper, which then advances one-sixtieth of a turn.
  • the star, the actuator and the display wheel are all located in the same plane.
  • the document CH330892 proposes a dead second display mechanism using a locking member comprising a pinion engaged with a wheel secured to a second wheel and moving with a rocker pivoting on the frame of the watch.
  • a locking member comprising a pinion engaged with a wheel secured to a second wheel and moving with a rocker pivoting on the frame of the watch.
  • this construction requires to extend the axis of the second wheel to mount an additional wheel located in the plane of the pinion and a display mobile seconds dead.
  • the document FR998908 proposes an interesting but specific and relatively complex construction, with two coaxial wheels, one led and the other led.
  • the driving wheel is driven by the movement and is connected to the wheel driven by a spring.
  • a rocker and double ratchet system is arranged to lock the driven wheel to allow the spring to be wound, and to release the driven wheel once per second.
  • the object of the present invention is to provide a new mechanism for displaying second dead, free from the above disadvantages, while being of a particularly original design.
  • the shaft carries a first pinion meshing permanently with the second wheel and a second pinion meshing with a first board of the mobile display, the blocker cooperating with a second board of the mobile display , solidary and coaxial of the first board.
  • a spring member is preferably arranged to exert a force on the blocker tending to bring it into its first position.
  • the mechanism according to the invention is intended to be driven by a mechanical clockwork movement of any type which, for the sake of clarity of the drawings, has not been shown. It will suffice to mention that the movement includes an escape mechanism to maintain the oscillations of a regulating member, generally taking the form of a pendulum.
  • the movement comprises a finishing gear which makes it possible, from the frequency of oscillations of the balance, to obtain rotational speeds in accordance with the units of measurement of time.
  • a second wheel 10 is shown in the drawings, driven by the movement at a rate of one revolution per minute. It advances by jump and makes a jump by oscillation of the balance.
  • This wheel 10 meshes with a first pinion 12 disposed at a first end of a shaft 14.
  • the shaft carries a second pinion 16 which is integral therewith.
  • the two gears 12 and 16 and the shaft 14 form an assembly known to those skilled in the art as the oscillating pinion.
  • the shaft 14 is mounted on the side of its first end, in a stone not shown, inside which it is likely to oscillate. The freedom of movement of the oscillating gear makes it possible, while keeping the first gear 12 in permanent meshing with the second wheel 10, to move the position of the toothing of the second gear 16 between at least a first and at least a second position.
  • the first pinion 12 is mounted harmless on the shaft 14.
  • the first pinion 12 is positioned axially on the shaft 14 by any means chosen by those skilled in the art.
  • the pinion is positioned, on the side of the first end of the shaft 14, by a ring 18 fixed to the shaft, for example by driving, and, on the side of the second end, by the shaft 14 itself, which has a diameter adapted for this purpose.
  • the pinion 12 and the shaft 14 are integral in rotation, but with clearance.
  • this drive with clearance is obtained by means of a flat 20 that has the shaft 14 at its first end, in the immediate vicinity of the first pinion 12.
  • the latter is provided with a portion 22 projecting opposite the flattened portion 20 and capable of cooperating with it.
  • the projecting portion 22 may be of varied shape while being capable of cooperating with a first and a second area of the flat located on either side with reference to the pivot axis of the shaft 14.
  • the portion protruding 22 may also have a flat surface 24, a space being defined between the flat surface 24 and the flat 20 so as to obtain the desired clearance between the pinion 12 and the shaft 14.
  • the example chosen is advantageous in terms of manufacturing, because the projecting portion 20 can be performed simply during the machining of the pinion, without having to report a subsequent element.
  • the second pinion 16 meshes with a first plate 26 of a mobile display 28 for carrying a needle or an index finger.
  • the mobile also comprises a second board 30, integral and coaxial with the first and having sixty teeth.
  • a blocker 32 is arranged so as to cooperate with the teeth of the second board 30 to block its rotation.
  • This blocker 32 is connected to the second end of the shaft 14.
  • the blocker 32 has a housing 34 inside which takes place an element secured to the shaft 14.
  • this element may be a pivoting means 36 of the shaft 14, located on the side of its second end.
  • a spring member 38 is more visible on the Figures 4 and 5 is arranged to exert a force on the blocker 32 tending to bring it into the teeth of the second board 30.
  • the blocker 32 and the spring 38 have come from one piece.
  • Means for adjusting the spring tension, such as an eccentric 40, may be provided so that the force does not prevent the pinion from oscillating.
  • the shaft 14 and the blocker 32 form a locking member moving between a first state in which it cooperates with the display mobile 28 to block its rotation, and a second state in which it releases it.
  • the penetration of the blocker 32 into the toothing of the second board 30 is adjusted so that the locking member moves to its second state once a second.
  • the spring 38 pushes the blocker 32 against the toothing of the second board 30 of the mobile display 28.
  • the mobile is locked in rotation and the needle it carries is fixed.
  • the second wheel 10 is driven by the movement and advances by one step at each oscillation of the balance. It meshes with the first pinion 12 that it drives.
  • it When it has filled its clearance with respect to the shaft 14, it rotates the shaft 14 and the second pinion 16.
  • the latter is engaged with the first board 26 of the display unit 28, blocked by the blocker 32.
  • this pinion rolls on the first board 26, causing the shaft 14 to oscillate and binding the spring 28.
  • This movement causes the movement of the blocker 32 which deviates from the teeth of the second board 30, until leaving ( figure 5 ).
  • the second wheel 10 advances the display mobile 28 one step clockwise through the oscillating pinion. Simultaneously, the spring 28 returns the oscillating pinion to its initial position and the blocker 32 falls back on the tooth next blocking again the mobile display 28.
  • the blocker 32 falls on the second board 30, there is a slight recoil of the second pinion 16 which rolls on the toothing. Thanks to the clearance between the first pinion 12 and the shaft 14, this recoil is not transmitted to the first pinion and therefore is not transmitted to the second wheel 10, which makes it possible to have no loss. amplitude of the pendulum. So on, the mobile display is released and blocked, which allows the display of seconds dead.

Landscapes

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

Claims (7)

  1. Mechanismus für die Anzeige der toten Sekunden, der kinematisch mit einem mechanischen Uhrwerk verbunden ist, das mit einer Unruh ausgestattet ist, wobei der Mechanismus aufweist:
    - ein Sekundenrad (10), um je Schwingung der Unruh um einen Schritt angetrieben zu werden,
    - ein Anzeigedrehteil (28), um je Sekunde um einen Schritt angetrieben zu werden,
    - ein Verriegelungsorgan, das sich zwischen einem ersten Zustand, in dem es mit dem Anzeigedrehteil (28) zusammenarbeitet, um seine Rotation zu blockieren, und einem zweiten Zustand, in dem es es freigibt, bewegt, wobei das besagte Organ einmal je Sekunde in seinen ersten Zustand wechselt,
    wobei sich das Sekundenrad (10) und das Anzeigedrehteil (28) auf zwei unterschiedlichen Ebenen in Bezug auf die Dicke des Uhrwerks befinden,
    dadurch gekennzeichnet, dass das Verriegelungsorgan umfasst:
    - eine ein erstes und ein zweites Ende definierende Welle (14), wobei die Welle imstande ist, im Verhältnis zum Uhrwerk zu schwingen, indem sie ihr zweites Ende in Bezug zu ihrem ersten Ende verschiebt, und
    - einen Blockierhebel (32), der imstande ist, sich gemäß den Schwingungen der Welle (14) zwischen einem ersten Zustand, in dem er mit dem Anzeigedrehteil (28) zusammenarbeitet, um seine Rotation zu blockieren, und einem zweiten Zustand, in dem er nicht mit dem Anzeigedrehteil (28) zusammenarbeitet, zu bewegen.
  2. Mechanismus nach Anspruch 1, dadurch gekennzeichnet, dass die Welle (14) einen ersten Trieb (12) trägt, der ständig in das Sekundenrad (10) eingreift, und einen zweiten Trieb (16), der in eine erste Platte (26) des Anzeigedrehteils (28) eingreift, wobei der Blockierhebel (32) mit einer zweiten Platte (30) des Anzeigedrehteils (28) zusammenarbeitet, die mit der ersten Platte (26) verbunden und koaxial ist.
  3. Mechanismus nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass er ein Federorgan (28) aufweist, das derart ausgebildet ist, um eine Kraft auf den Blockierhebel (32) auszuüben, die dazu neigt, ihn in seinen ersten Zustand zu führen.
  4. Mechanismus nach Anspruch 3, wobei die Welle (14) auf der Seite des ersten Endes schwingend montiert ist, dadurch gekennzeichnet, dass der Blockierhebel (32) mit dem zweiten Ende der Welle verbunden ist.
  5. Mechanismus nach Anspruch 4, dadurch gekennzeichnet, dass der Blockierhebel (32) eine Aufnahme (34) aufweist, in der sich ein mit der Welle verbundenes Element platziert.
  6. Mechanismus nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass der erste Trieb (12) und die Welle (14) mit Spiel rotierend verbunden sind.
  7. Mechanismus nach Anspruch 6, dadurch gekennzeichnet, dass die Welle (14) auf Ebene ihres ersten Endes in unmittelbarer Nähe des ersten Triebs (12) ein Halbflach (20) aufweist, wobei der erste Trieb gesichert auf der Welle montiert und mit einem hervorstehenden Abschnitt (22) ausgestattet, der sich gegenüber dem Halbflach befindet und imstand ist, mit diesem zusammenzuarbeiten.
EP20090153157 2008-02-29 2009-02-19 Mechanismus zur Anzeige der toten Sekunden Ceased EP2096504B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2972008 2008-02-29

Publications (3)

Publication Number Publication Date
EP2096504A2 EP2096504A2 (de) 2009-09-02
EP2096504A3 EP2096504A3 (de) 2010-11-03
EP2096504B1 true EP2096504B1 (de) 2011-11-16

Family

ID=40419106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090153157 Ceased EP2096504B1 (de) 2008-02-29 2009-02-19 Mechanismus zur Anzeige der toten Sekunden

Country Status (2)

Country Link
EP (1) EP2096504B1 (de)
JP (1) JP5464867B2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH708339B1 (fr) 2013-07-04 2018-01-31 Mft La Joux-Perret Sa Pièce d'horlogerie comportant un mécanisme de seconde morte et un mécanisme de chronographe intégrés dans un mouvement de base.
JP6801423B2 (ja) * 2016-12-13 2020-12-16 セイコーエプソン株式会社 時計用ムーブメントおよび機械式時計
EP3559757A1 (de) * 2016-12-22 2019-10-30 Gfpi S.A. Uhrwerk
EP4002016A1 (de) * 2020-11-20 2022-05-25 Montres Breguet S.A. Armbanduhr mit mechanischem uhrwerk mit kraftsteuerungsmechanismus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH2547A (fr) 1890-08-30 1890-12-15 Charles Schlatter Système d'embrayage et de débrayage particulièrement applicable à la mise en marche et à l'arrêt des chronographes de tous genres
CH271998A (fr) * 1948-02-11 1950-11-30 Cornaz Henri Dispositif d'entraînement d'une aiguille indicatrice en rotation discontinue.
CH280240A (fr) 1949-07-01 1952-01-15 Ebauches Sa Mécanisme de seconde morte pour mouvement d'horlogerie.
CH303336A (fr) 1952-11-05 1954-11-30 D Ebauches De Chezard S A Fab Pièce d'horlogerie à seconde sautante.
CH330892A (fr) 1957-06-29 1958-06-30 Derby S A Pièce d'horlogerie à seconde sautante
DE1773592A1 (de) * 1968-06-08 1971-05-13 Durowe Gmbh Vorrichtung fuer Springsekunden bei Armbanduhren
CH684920B5 (fr) * 1993-08-31 1995-08-15 Ebauchesfabrik Eta Ag Pièce d'horlogerie.

Also Published As

Publication number Publication date
JP2009210580A (ja) 2009-09-17
EP2096504A2 (de) 2009-09-02
EP2096504A3 (de) 2010-11-03
JP5464867B2 (ja) 2014-04-09

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