EP3065003B1 - Uhrwerk - Google Patents

Uhrwerk Download PDF

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Publication number
EP3065003B1
EP3065003B1 EP15157804.4A EP15157804A EP3065003B1 EP 3065003 B1 EP3065003 B1 EP 3065003B1 EP 15157804 A EP15157804 A EP 15157804A EP 3065003 B1 EP3065003 B1 EP 3065003B1
Authority
EP
European Patent Office
Prior art keywords
movement
escapement
mechanical
oscillator
wheel
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.)
Active
Application number
EP15157804.4A
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English (en)
French (fr)
Other versions
EP3065003A1 (de
Inventor
Kéwin Bas
Gaël GUERLESQUIN
Romain MOYSE
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.)
Cartier International AG
Original Assignee
Cartier International AG
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Publication date
Application filed by Cartier International AG filed Critical Cartier International AG
Priority to EP15157804.4A priority Critical patent/EP3065003B1/de
Publication of EP3065003A1 publication Critical patent/EP3065003A1/de
Application granted granted Critical
Publication of EP3065003B1 publication Critical patent/EP3065003B1/de
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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
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • 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
    • G04B37/00—Cases
    • G04B37/0091—Cases for clock parts, e.g. for the escapement or the electric motor
    • 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
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/088—Means affording hermetic sealing inside the case, e.g. protective case for the clockwork against dust, the escapement being in a hermetically sealed case

Definitions

  • the present invention relates to a watch movement comprising a frame, a motor member connected to an escape wheel by a finishing gear, a mechanical oscillator and an escapement.
  • This clockwork movement is in particular designed to operate at reduced pressure or in a controlled atmosphere.
  • Such mechanical movements are known which are housed in a sealed watch case in which a pressure reduction has been created or a specific fluid has been placed.
  • Such timepieces necessarily have disadvantages for their after-sales service and to ensure perfect sealing of the watch case over a long period.
  • the oscillator and its adjustment and maintenance means are contained in a hermetically sealed enclosure in which there is a reduced pressure.
  • This enclosure is provided with plugs supplying the coils and two bimetallic electric current. This enclosure is pluggable into a housing containing the electronic circuit, the power source and the time display device.
  • the document CH 504707 discloses a mechanical horological movement comprising a frame, a motor member connected to an escape wheel by a finishing train, a mechanical oscillator and an escapement, in which the mechanical oscillator is arranged, together with the exhaust and the exhaust wheel, in a sealed enclosure.
  • the object of the present invention is to produce a mechanical clockwork movement of which only the mechanical oscillator is housed in a sealed enclosure with reduced pressure or controlled atmosphere, the rest of the movement being able to be contained in a watch case at atmospheric pressure. .
  • the subject of the present invention is a watch movement comprising the features enumerated in claim 1, as well as a timepiece comprising such a movement.
  • the present invention relates to a mechanical clockwork movement for a mechanical timepiece comprising a box enclosing said movement.
  • This mechanical timepiece movement is intended to operate its mechanical oscillator in a sealed enclosure at a reduced pressure or in a controlled atmosphere without the rest of the movement being subjected to these particular conditions so as to be housed in a box, waterproof or not, a mechanical timepiece.
  • This mechanical clockwork movement comprises, among other things, a frame, a motor unit connected to an escape wheel by a finishing gear, a mechanical oscillator and an escapement.
  • the mechanical clockwork movement comprises a frame 1 formed of a plate and one or several bridges, a driving member 2 constituted by a barrel, a finishing gear comprising a plurality of mobiles 3, 4, 5 and an escapement wheel having an exhaust pinion 6 in engagement with the last wheel 5 of the work train and an escape wheel 7.
  • This mechanical clockwork movement also comprises an oscillator formed, in this example, of a sprung balance 8 pivoted on the escapement wheel 7 concentrically with it.
  • the motion may alternatively include other types of mechanical oscillators, such as a tuning fork oscillator.
  • This mechanical oscillator 8 is housed in a sealed enclosure 9 carried by the escape wheel 7.
  • This sealed enclosure is, in this preferred embodiment, constituted by a plate 9a of the escape wheel on which is fixed so waterproof a bell 9b.
  • the fastening of this bell 9b on the plate 9a of the escape wheel can be done, with or without a seal, by mechanical fixing for example screws, by gluing, by welding or preferably by anodic bonding or "anodic bonding" .
  • the fixing of the bell 9b on the plate 9a of the escape wheel 7 is done under vacuum or reduced pressure or in a controlled atmosphere, for example a fluid having characteristics favorable to the reduction of friction losses.
  • the mechanical watchmaking movement further comprises an anchor 10 pivoted on the frame 1 and comprising two vanes cooperating with the toothing of the escape wheel 7.
  • the oscillator 8 is formed of a rocker 8a secured to a balance shaft 8b pivoted on the escape wheel 7 concentrically to the latter between a lower pivot 8c integral with the wheel. 7 exhaust and an upper bearing 8d secured to a bridge 11 fixed on the escape wheel 7.
  • the spiral 8e of the oscillator is fixed on the one hand to the balance shaft 8b and on the other hand to a piton 12a integral with a racket 12 pivoted on the deck 11.
  • the escape wheel 7 tilts the anchor 10 and releases the first pallet 10a.
  • the oscillator arrives at the end of its race and goes back in the other direction.
  • the first pallet 10a is brought back into the path of the toothing of the escape wheel 7 ( figure 9 ).
  • the escape wheel 7 returns to the equilibrium position ( figure 10 ) on the first pallet 10a the time of the end of the oscillation cycle of the sprung balance.
  • escape wheel 7 is pivoted cantilever on the frame 1.
  • the escape wheel 7 is pivoted on the frame using a ball bearing 13.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Claims (12)

  1. Mechanisches Uhrwerk, das ein Gestell (1), ein Antriebsorgan (2), das durch ein Finissage-Räderwerk (3 bis 6) mit einem Hemmungsrad (7) verbunden ist, einen mechanischen Oszillator (8) und eine Hemmung (10) umfasst, dadurch gekennzeichnet, dass einzig der mechanische Oszillator (8) in einer dichten Schutzhülle (9) angeordnet ist, die durch das Hemmungsrad (7) getragen wird.
  2. Uhrwerk nach Anspruch 1, dadurch gekennzeichnet, dass der mechanische Oszillator (8) auf dem Hemmungsrad (7) konzentrisch drehbar gelagert ist.
  3. Uhrwerk nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Hemmungsrad (7) eine Platte (9a) umfasst, an der eine Glocke (9b) auf dichte Art und Weise befestigt ist, wobei diese Platte (9a) und diese Glocke (9b) die dichte Schutzhülle (9) abgrenzen, die den Oszillator (8) einschließt.
  4. Uhrwerk nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die dichte Schutzhülle (9) in ein Teilvakuum, eine geregelte Atmosphäre versetzt oder mit einem bestimmten Fluid gefüllt ist.
  5. Uhrwerk nach Anspruch 4, dadurch gekennzeichnet, dass die Glocke (9b) auf dichte Art und Weise an der Platte (9a) des Hemmungsrades befestigt ist.
  6. Uhrwerk nach Anspruch 5, dadurch gekennzeichnet, dass die Glocke (9b) durch anodisches Bonden auf dichte Art und Weise an der Platte (9a) des Hemmungsrades befestigt ist.
  7. Uhrwerk nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der mechanische Oszillator (8) eine Unruh-Spiralfeder ist.
  8. Uhrwerk nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Hemmungsanker (10) sich außerhalb der dichten Schutzhülle (9) befindet, auf dem Gestell drehbar gelagert ist und mit dem Hemmungsrad zusammenwirkt.
  9. Uhrwerk nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Hemmung eine Translationshemmung, insbesondere vom Typ Benoît, ist.
  10. Uhrwerk nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Hemmung eine Magnetkupplung zwischen dem mechanischen Oszillator (8) und dem Hemmungsanker (10) umfasst.
  11. Uhrwerk nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Hemmungsrad (7) auskragend auf dem Gestell (1) drehbar gelagert ist.
  12. Mechanische Uhr, die ein Uhrwerk nach einem der vorhergehenden Ansprüche umfasst.
EP15157804.4A 2015-03-05 2015-03-05 Uhrwerk Active EP3065003B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15157804.4A EP3065003B1 (de) 2015-03-05 2015-03-05 Uhrwerk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15157804.4A EP3065003B1 (de) 2015-03-05 2015-03-05 Uhrwerk

Publications (2)

Publication Number Publication Date
EP3065003A1 EP3065003A1 (de) 2016-09-07
EP3065003B1 true EP3065003B1 (de) 2017-08-09

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ID=52596871

Family Applications (1)

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EP15157804.4A Active EP3065003B1 (de) 2015-03-05 2015-03-05 Uhrwerk

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EP (1) EP3065003B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021063953A1 (fr) * 2019-09-30 2021-04-08 Gfpi Sa Mouvement horloger
CH718864B1 (fr) * 2021-07-20 2023-12-29 Rousset Xavier Module compact comprenant un système oscillateur-échappement pour mouvement horloger.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1605268A4 (de) * 1968-10-28 1970-11-30
FR2054540A1 (de) 1969-01-24 1971-04-23 Certina Kurth Freres Sa
US9389588B2 (en) * 2011-12-09 2016-07-12 Cartier International Ag Method for adjusting the chronometry of a timepiece movement intended to operate in a low-pressure atmosphere

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP3065003A1 (de) 2016-09-07

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