EP3065003A1 - Uhrwerk - Google Patents

Uhrwerk Download PDF

Info

Publication number: EP3065003A1
Authority: EP; European Patent Office
Prior art keywords: escape wheel; movement according; mechanical; oscillator; movement
Prior art date: 2015-03-05
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

EP15157804.4A

Other languages

English (en)

French (fr)

Other versions

EP3065003B1 (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

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.)

2015-03-05

Filing date

2015-03-05

Publication date

2016-09-07

2015-03-05 Application filed by Cartier International AG filed Critical Cartier International AG

2015-03-05 Priority to EP15157804.4A priority Critical patent/EP3065003B1/de

2016-09-07 Publication of EP3065003A1 publication Critical patent/EP3065003A1/de

2017-08-09 Application granted granted Critical

2017-08-09 Publication of EP3065003B1 publication Critical patent/EP3065003B1/de

Status Active legal-status Critical Current

2035-03-05 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
- 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.
Such a construction is of course not suitable for the production of a mechanical watch and has weak points which are the plugs through the enclosure for the supply of coils and bimetals.
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)

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

Family

ID=52596871

Family Applications (1)

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

Country Status (1)

Country	Link
EP (1)	EP3065003B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN114514480A (zh) *	2019-09-30	2022-05-17	Gfpi公司	钟表机芯
CH718864A1 (fr) *	2021-07-20	2023-01-31	Rousset Xavier	Module compact comprenant un système oscillateur-échappement pour mouvement horloger.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH504707A (fr) *	1968-10-28	1970-11-30	Castella Pierre De	Pièce d'horlogerie
FR2054540A1 (de)	1969-01-24	1971-04-23	Certina Kurth Freres Sa
WO2013084040A1 (fr) *	2011-12-09	2013-06-13	Cartier Creation Studio S.A.	Procédé de réglage de la chronométrie d'un mouvement d'horlogerie destiné à fonctionner dans une atmosphère à basse pression

2015
- 2015-03-05 EP EP15157804.4A patent/EP3065003B1/de active Active

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH504707A (fr) *	1968-10-28	1970-11-30	Castella Pierre De	Pièce d'horlogerie
FR2054540A1 (de)	1969-01-24	1971-04-23	Certina Kurth Freres Sa
WO2013084040A1 (fr) *	2011-12-09	2013-06-13	Cartier Creation Studio S.A.	Procédé de réglage de la chronométrie d'un mouvement d'horlogerie destiné à fonctionner dans une atmosphère à basse pression

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN114514480A (zh) *	2019-09-30	2022-05-17	Gfpi公司	钟表机芯
CN114514480B (zh) *	2019-09-30	2024-03-08	Gfpi公司	钟表机芯
CH718864A1 (fr) *	2021-07-20	2023-01-31	Rousset Xavier	Module compact comprenant un système oscillateur-échappement pour mouvement horloger.

Also Published As

Publication number	Publication date
EP3065003B1 (de)	2017-08-09

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