EP2096504A2 - Mechanismus zur Anzeige der toten Sekunden - Google Patents

Mechanismus zur Anzeige der toten Sekunden Download PDF

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Publication number
EP2096504A2
EP2096504A2 EP09153157A EP09153157A EP2096504A2 EP 2096504 A2 EP2096504 A2 EP 2096504A2 EP 09153157 A EP09153157 A EP 09153157A EP 09153157 A EP09153157 A EP 09153157A EP 2096504 A2 EP2096504 A2 EP 2096504A2
Authority
EP
European Patent Office
Prior art keywords
shaft
pinion
display
mobile
blocker
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.)
Granted
Application number
EP09153157A
Other languages
English (en)
French (fr)
Other versions
EP2096504B1 (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
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 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 object of the present invention is to provide a new mechanism for displaying second dead, free from the above drawback, while being of a particularly original design.
  • the body locking device comprises a shaft capable of oscillating relative to the movement and a blocker capable of changing, according to the oscillations of the shaft, between at least a first position in which it cooperates with the display unit to block its rotation and a second position in which it does not cooperate with said display mobile.
  • 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 idle 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.
  • 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 integral with the shaft 14.
  • this element can be a means pivoting 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 being 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 by in such a way 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 second board 30, oscillating the shaft 14 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 jammer 32 falls back on the next tooth, blocking again the mobile display 28.
  • the blocker 32 falls on the second board 30, there is a slight decline in 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)
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 true EP2096504A2 (de) 2009-09-02
EP2096504A3 EP2096504A3 (de) 2010-11-03
EP2096504B1 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2821862A2 (de) 2013-07-04 2015-01-07 Manufacture La Joux-Perret SA Uhr
WO2018114613A1 (fr) * 2016-12-22 2018-06-28 Gfpi S.A. Mouvement pour piece d'horlogerie

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP4002016A1 (de) * 2020-11-20 2022-05-25 Montres Breguet S.A. Armbanduhr mit mechanischem uhrwerk mit kraftsteuerungsmechanismus

Citations (4)

* 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
FR998908A (fr) 1949-07-01 1952-01-24 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH271998A (fr) * 1948-02-11 1950-11-30 Cornaz Henri Dispositif d'entraînement d'une aiguille indicatrice en rotation discontinue.
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.

Patent Citations (4)

* 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
FR998908A (fr) 1949-07-01 1952-01-24 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FRANÇOIS LECOULTRE: "Les montres compliquées", 40319, BIENNE, pages: 15 - 19

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2821862A2 (de) 2013-07-04 2015-01-07 Manufacture La Joux-Perret SA Uhr
WO2018114613A1 (fr) * 2016-12-22 2018-06-28 Gfpi S.A. Mouvement pour piece d'horlogerie

Also Published As

Publication number Publication date
JP5464867B2 (ja) 2014-04-09
JP2009210580A (ja) 2009-09-17
EP2096504B1 (de) 2011-11-16
EP2096504A3 (de) 2010-11-03

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