EP1562087A1 - Balancier pour mouvement d'horlogerie - Google Patents
Balancier pour mouvement d'horlogerie Download PDFInfo
- Publication number
- EP1562087A1 EP1562087A1 EP05000326A EP05000326A EP1562087A1 EP 1562087 A1 EP1562087 A1 EP 1562087A1 EP 05000326 A EP05000326 A EP 05000326A EP 05000326 A EP05000326 A EP 05000326A EP 1562087 A1 EP1562087 A1 EP 1562087A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- serge
- titanium
- balance
- arms
- pendulum
- 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
Links
- 239000010936 titanium Substances 0.000 claims abstract description 24
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 22
- 239000000956 alloy Substances 0.000 claims abstract description 10
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- UDHXJZHVNHGCEC-UHFFFAOYSA-N Chlorophacinone Chemical compound C1=CC(Cl)=CC=C1C(C=1C=CC=CC=1)C(=O)C1C(=O)C2=CC=CC=C2C1=O UDHXJZHVNHGCEC-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052790 beryllium Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 description 2
- 239000010956 nickel silver Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—Oscillators acting by spring tension
- G04B17/06—Oscillators with hairsprings, e.g. balance
- G04B17/063—Balance construction
Definitions
- the present invention relates to a pendulum for a watch movement, having an axis, a serge and arms connecting the serge to the axis, and intended to be associated with a spiral spring to form conventionally the oscillator mechanical that determines the basic frequency of the movement of a piece watchmaking, in particular a watch.
- a pendulum of this kind is illustrated for example in patent CH 494 992.
- the wheel-shaped part comprising the serge (or rim) and the arms is made of a copper-based alloy, especially cupro-beryllium or nickel silver, or nickel.
- a copper-based alloy especially cupro-beryllium or nickel silver, or nickel.
- Such an alloy offers an advantageous combination of qualities which include, in particular, its non-magnetic nature, good chemical stability and sufficient mechanical characteristics.
- the density of these alloys is greater than 8 kg / dm 3 .
- Their coefficient of thermal expansion which is about 17 ⁇ 10 -6 / ° C for CuBe, about 15 ⁇ 10 -6 / ° C for nickel and about 21 ⁇ 10 -6 / ° C for the nickel silver is not particularly favorable.
- the usual frequencies of the watch oscillators range from 2.5 Hz to 5 Hz, in steps of 0.5 Hz so that a duration of one second corresponds to an integer number of alternations of the oscillator. A movement is therefore designed for a given frequency and the sprung balance assembly must have this frequency.
- the relevant parameter of the pendulum is the moment of inertia. As the arm of the pendulum is very small in the moment of inertia, it depends primarily on the dimensions (diameter and cross-section) and the density of the serge.
- the designer of a watch movement may wish use a comparatively large diameter pendulum, for example for reasons of aesthetics.
- Increase the diameter without changing the moment of inertia can be done either by reducing the section of the serge, or by using a material of lesser density.
- the pendulum will have a smaller mass, which reduces the friction in the bearings, therefore the disturbances of the isochronism of the pendulum in function of the positions (vertical and horizontal) of the movement.
- a serge of reduced section becomes too weak, especially if it must wear screws of setting. We can then consider the use of a lighter material.
- Patent FR 1 275 357 provides for the production of a lightened watch pendulum, for combination of a serge made of a light metal such as aluminum with an element of elastic support in the form of a wheel, consisting of a circle and spokes, the circle having outer legs for attachment to the serge. This allows to realize the wheel made of a material with high mechanical properties, for example spring.
- a similar solution, but without brackets, is provided in the patent FR 1 301 938.
- the present invention aims at making it possible to produce a balance-balance oscillator having a larger diameter than usual for the same frequency, or having a higher frequency with the same dimensions as an oscillator usual, avoiding the aforementioned disadvantages.
- the invention aims in particular at lighten the pendulum by keeping it with sufficient mechanical strength and good dimensional stability vis-à-vis temperature variations.
- a rocker according to the invention is characterized in that the serge and the arms are made of titanium or a titanium-based alloy.
- the serge and the arms are made in one piece, which is a great advantage over two French patents mentioned above, but it is not excluded to manufacture these parts separately, and then assemble them by welding or some other means.
- titanium for this application particular has a set of technical advantages which make it possible to achieve a balance wheel both light and high quality: non-magnetic nature, weak density, high mechanical strength, low coefficient of thermal expansion, corrosion resistance.
- non-magnetic nature weak density
- high mechanical strength low coefficient of thermal expansion
- corrosion resistance Compared with cupro-beryllium, titanium is almost two times lighter and expands thermally twice as much, while also offering good mechanical characteristics.
- titanium Compared to aluminum, titanium is a little heavier, but has much better mechanical characteristics and thermal expansion three times less. The invention thus makes it possible to produce a wheel of a pendulum in a piece whose serge is relatively light despite relatively large dimensions, while the arms are thin and elastic while by being strong enough.
- a similar diameter titanium beam may have a higher serge (in the direction parallel to the axis of rotation), which allows tapped holes in the serge for balancing screws in cases where it would not be possible in the serge in classic material.
- the balance 1 represented in FIGS. 1 and 2 has a conventional axis 2 steel that supports a balance wheel including a serge 3 and for example three arms 4 made in one piece with the serge.
- This piece is made of titanium or titanium-based alloy, for the reasons of lightness discussed above.
- the arms 4 radiate from a pierced central portion 5 which is driven on a range 6 of the axis 2 abutting against a shoulder 7.
- the axis 2 supports in in addition to a ferrule 8, intended for fixing a not shown spiral, and a double exhaust plate 9 for cooperating with an anchor.
- serge 3 Due to the low density of titanium, serge 3, having in this case a Trapezoidal cross-section, is sufficiently high, thick and resistant to have tapped holes for adjusting screws if necessary. In in this case, balancing is not achieved by means of adjustment screws, but by milling hollow 11 in the outer face of the serge.
- the pendulum 1 is made of titanium (density 4.5 kg / dm 3 ) in order to have a larger diameter than a conventional cupro-beryllium balance (density 8.25 kg / dm 3 ) having the same moment of inertia, keeping in addition the same cross-section of the serge, it can be calculated that the average diameter of the serge of the titanium balance will be enlarged by 22%.
- the effect obtained from the point of view of aesthetics is significant, without causing loss of mechanical characteristics of the serge.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Gears, Cams (AREA)
- Micromachines (AREA)
- Polarising Elements (AREA)
- Control Of Stepping Motors (AREA)
- Springs (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
- la figure 1 est une vue en perspective du balancier, et
- la figure 2 est une vue en coupe suivant la ligne II-II de la figure 1.
Ti pour le reste)
Cu 0,6%, Ti pour le reste).
Claims (3)
- Balancier (1) pour mouvement d'horlogerie, comportant un axe (2), une serge (3) et des bras (4) reliant la serge à l'axe, caractérisé en ce que la serge et les bras sont en titane ou en un alliage à base de titane.
- Balancier selon la revendication 1, caractérisé en ce que la serge (3) et les bras (4) sont faits d'une seule pièce.
- Balancier selon la revendication 1, caractérisé en ce que l'axe (3) est en acier.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05000326A EP1562087B1 (fr) | 2004-02-05 | 2005-01-10 | Balancier pour mouvement d'horlogerie |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04002540 | 2004-02-05 | ||
EP04002540 | 2004-02-05 | ||
EP05000326A EP1562087B1 (fr) | 2004-02-05 | 2005-01-10 | Balancier pour mouvement d'horlogerie |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1562087A1 true EP1562087A1 (fr) | 2005-08-10 |
EP1562087B1 EP1562087B1 (fr) | 2008-05-21 |
Family
ID=34814236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05000326A Active EP1562087B1 (fr) | 2004-02-05 | 2005-01-10 | Balancier pour mouvement d'horlogerie |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050174893A1 (fr) |
EP (1) | EP1562087B1 (fr) |
JP (1) | JP4537219B2 (fr) |
CN (1) | CN1652046B (fr) |
AT (1) | ATE396430T1 (fr) |
DE (1) | DE602005006858D1 (fr) |
HK (1) | HK1076159A1 (fr) |
SG (1) | SG113616A1 (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2395402A1 (fr) | 2010-06-11 | 2011-12-14 | Montres Breguet SA | Balancier haute fréquence pour pièce d'horlogerie |
CH703574A2 (fr) * | 2011-03-22 | 2012-01-13 | Lvmh Swiss Mft Sa | Organe régulateur pour montre-bracelet mécanique et chronographe muni d'un tel organe régulateur. |
CH703576A2 (fr) * | 2011-03-22 | 2012-01-13 | Lvmh Swiss Mft Sa | Mouvement mécanique pour montre chronographe. |
EP2410387A1 (fr) | 2010-07-19 | 2012-01-25 | Nivarox-FAR S.A. | Balancier à réglage d'inertie sans insert |
EP2410386A1 (fr) | 2010-07-19 | 2012-01-25 | Nivarox-FAR S.A. | Balancier à réglage d'inertie avec insert |
CN103676600A (zh) * | 2012-09-04 | 2014-03-26 | 斯沃奇集团研究和开发有限公司 | 具有匹配的游丝和摆轮的谐振器 |
CN107505826A (zh) * | 2013-02-25 | 2017-12-22 | 精工电子有限公司 | 温度补偿型摆轮及其制造方法、钟表用机芯、机械式钟表 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE602006007101D1 (de) * | 2006-03-24 | 2009-07-16 | Nivarox Sa | Unruh für Uhrwerk |
EP2104005A1 (fr) * | 2008-03-20 | 2009-09-23 | Nivarox-FAR S.A. | Balancier composite et son procédé de fabrication |
US8751346B2 (en) * | 2011-05-13 | 2014-06-10 | Edea, Llc. | Interactive financial tool |
EP2631721A1 (fr) * | 2012-02-23 | 2013-08-28 | Richemont International S.A. | Composants horlogers en titane revêtus de diamant |
EP2667265A1 (fr) * | 2012-05-22 | 2013-11-27 | The Swatch Group Research and Development Ltd. | Composant d'habillage d'horlogerie bi-métal brasé |
EP2728422A1 (fr) * | 2012-11-06 | 2014-05-07 | The Swatch Group Research and Development Ltd. | Composant d'habillage d'horlogerie bi-métal soudé |
CN105182722A (zh) * | 2015-07-13 | 2015-12-23 | 济南大学 | 一种时计机芯摆轮 |
US10338259B2 (en) | 2015-12-14 | 2019-07-02 | Covidien Lp | Surgical adapter assemblies and wireless detection of surgical loading units |
EP3252541A1 (fr) | 2016-06-01 | 2017-12-06 | Rolex Sa | Pièce de fixation d'un ressort-spiral horloger |
EP3252542B1 (fr) * | 2016-06-01 | 2022-05-18 | Rolex Sa | Pièce de fixation d'un ressort-spiral horloger |
CN106950812B (zh) * | 2017-05-11 | 2022-04-29 | 李国强 | 一种有卡度摆轮可锁紧快慢针微调机构 |
EP3502786A1 (fr) * | 2017-12-22 | 2019-06-26 | The Swatch Group Research and Development Ltd | Balancier pour pièce d'horlogerie et procédé de fabrication d'un tel balancier |
EP3647883A1 (fr) * | 2018-11-05 | 2020-05-06 | CSEM Centre Suisse D'electronique Et De Microtechnique SA | Balancier d'une piece d'horlogerie |
EP3835879B1 (fr) * | 2019-12-09 | 2024-01-24 | The Swatch Group Research and Development Ltd | Mecanisme resonateur d'horlogerie avec masse inertielle a reglage d'inertie et de balourd |
CN112327590B (zh) * | 2020-10-28 | 2021-08-20 | 深圳市格雅表业有限公司 | 一种摆轮机构及应用该摆轮机构的机芯 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH316831A (fr) * | 1953-09-22 | 1956-10-31 | Gibbs Manufacturing And Resear | Echappement pour instruments à mouvement d'horlogerie |
FR1275357A (fr) * | 1960-12-01 | 1961-11-03 | Straumann Inst Ag | Balancier pour montres |
DE1987070U (fr) * | 1968-06-06 | Gebruder Jun, hans GmbH, 7230 Schramberg Schaltradanordnung fur eine Unruh Uhr 4 10 67 | ||
CH621669GA3 (en) * | 1977-12-23 | 1981-02-27 | Method of manufacturing a pivoted clockwork balance and clockwork balance obtained according to this method |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2004814A (en) * | 1934-08-29 | 1935-06-11 | Knobel Max | Clock movement |
US2291455A (en) * | 1939-08-10 | 1942-07-28 | Waltham Watch Co | Method of making balance wheels |
US2663139A (en) * | 1949-10-31 | 1953-12-22 | Gibbs Mfg And Res Corp | Pallet lever construction |
US3034286A (en) * | 1957-04-30 | 1962-05-15 | Straumann Inst Ag | Escapement |
FR1301938A (fr) * | 1961-07-11 | 1962-08-24 | Lip Sa | Balancier pour mécanisme d'horlogerie et son procédé de fabrication |
US3620005A (en) * | 1967-10-04 | 1971-11-16 | Messrs Gebruder Junghans Gmbh | Ratchet wheel device for a balance wheel clock |
US4041693A (en) * | 1972-09-01 | 1977-08-16 | Les Fabriques D'assortiments Reunies | Escapement for a timepiece |
EP1039352B1 (fr) * | 1999-03-26 | 2003-10-08 | Rolex Sa | Spiral autocompensateur pour balancier-spiral de mouvement d'horlogerie et procédé de traitement de ce spiral |
-
2005
- 2005-01-10 AT AT05000326T patent/ATE396430T1/de not_active IP Right Cessation
- 2005-01-10 EP EP05000326A patent/EP1562087B1/fr active Active
- 2005-01-10 DE DE602005006858T patent/DE602005006858D1/de active Active
- 2005-01-20 SG SG200500872A patent/SG113616A1/en unknown
- 2005-01-28 CN CN200510005167.8A patent/CN1652046B/zh active Active
- 2005-01-31 US US11/045,102 patent/US20050174893A1/en not_active Abandoned
- 2005-02-02 JP JP2005026351A patent/JP4537219B2/ja active Active
- 2005-09-16 HK HK05108119.4A patent/HK1076159A1/xx unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1987070U (fr) * | 1968-06-06 | Gebruder Jun, hans GmbH, 7230 Schramberg Schaltradanordnung fur eine Unruh Uhr 4 10 67 | ||
CH316831A (fr) * | 1953-09-22 | 1956-10-31 | Gibbs Manufacturing And Resear | Echappement pour instruments à mouvement d'horlogerie |
FR1275357A (fr) * | 1960-12-01 | 1961-11-03 | Straumann Inst Ag | Balancier pour montres |
CH621669GA3 (en) * | 1977-12-23 | 1981-02-27 | Method of manufacturing a pivoted clockwork balance and clockwork balance obtained according to this method |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2395402A1 (fr) | 2010-06-11 | 2011-12-14 | Montres Breguet SA | Balancier haute fréquence pour pièce d'horlogerie |
EP2677369A1 (fr) | 2010-06-11 | 2013-12-25 | Montres Breguet SA | Balancier haute fréquence pour pièce d'horlogerie |
US8414184B2 (en) | 2010-07-19 | 2013-04-09 | Nivarox-Far | Balance with inertia adjustment with no inserts |
EP2410387A1 (fr) | 2010-07-19 | 2012-01-25 | Nivarox-FAR S.A. | Balancier à réglage d'inertie sans insert |
EP2410386A1 (fr) | 2010-07-19 | 2012-01-25 | Nivarox-FAR S.A. | Balancier à réglage d'inertie avec insert |
WO2012010410A1 (fr) | 2010-07-19 | 2012-01-26 | Nivarox-Far S.A. | Balancier a reglage d'inertie avec insert |
CH703576A3 (fr) * | 2011-03-22 | 2012-03-15 | Lvmh Swiss Mft Sa | Mouvement mécanique pour montre chronographe. |
CH703574A3 (fr) * | 2011-03-22 | 2012-03-15 | Lvmh Swiss Mft Sa | Organe régulateur pour montre-bracelet mécanique et chronographe muni d'un tel organe régulateur. |
WO2012127019A1 (fr) * | 2011-03-22 | 2012-09-27 | Lvmh Swiss Manufactures Sa | Mouvement mecanique pour montre chronographe |
CH703576A2 (fr) * | 2011-03-22 | 2012-01-13 | Lvmh Swiss Mft Sa | Mouvement mécanique pour montre chronographe. |
CH703574A2 (fr) * | 2011-03-22 | 2012-01-13 | Lvmh Swiss Mft Sa | Organe régulateur pour montre-bracelet mécanique et chronographe muni d'un tel organe régulateur. |
CN103676600A (zh) * | 2012-09-04 | 2014-03-26 | 斯沃奇集团研究和开发有限公司 | 具有匹配的游丝和摆轮的谐振器 |
CN103676600B (zh) * | 2012-09-04 | 2016-09-07 | 斯沃奇集团研究和开发有限公司 | 具有匹配的游丝和摆轮的谐振器 |
CN107505826A (zh) * | 2013-02-25 | 2017-12-22 | 精工电子有限公司 | 温度补偿型摆轮及其制造方法、钟表用机芯、机械式钟表 |
CN107505826B (zh) * | 2013-02-25 | 2020-06-30 | 精工电子有限公司 | 温度补偿型摆轮及其制造方法、钟表用机芯、机械式钟表 |
Also Published As
Publication number | Publication date |
---|---|
DE602005006858D1 (de) | 2008-07-03 |
HK1076159A1 (en) | 2006-01-06 |
CN1652046B (zh) | 2010-05-26 |
SG113616A1 (en) | 2005-08-29 |
CN1652046A (zh) | 2005-08-10 |
JP2005221498A (ja) | 2005-08-18 |
ATE396430T1 (de) | 2008-06-15 |
US20050174893A1 (en) | 2005-08-11 |
JP4537219B2 (ja) | 2010-09-01 |
EP1562087B1 (fr) | 2008-05-21 |
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