WO2015090815A2 - Spiral avec dispositif anti-rapprochement de spires - Google Patents
Spiral avec dispositif anti-rapprochement de spires Download PDFInfo
- Publication number
- WO2015090815A2 WO2015090815A2 PCT/EP2014/074976 EP2014074976W WO2015090815A2 WO 2015090815 A2 WO2015090815 A2 WO 2015090815A2 EP 2014074976 W EP2014074976 W EP 2014074976W WO 2015090815 A2 WO2015090815 A2 WO 2015090815A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spiral
- stops
- turn
- blade
- hairspring
- Prior art date
Links
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
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/26—Compensation of mechanisms for stabilising frequency for the effect of variations of the impulses
-
- 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
- G04B17/066—Manufacture of the spiral spring
-
- 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
-
- 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
- G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
Definitions
- the invention relates to a hairspring intended to reduce the risk of bonding between its turns in order to improve the operation of a resonator in which said hairspring is used.
- the object of the present invention is to overcome all or part of the disadvantages mentioned above by proposing an alternative to the usual spiral which avoids the gluing of the turns together.
- the invention relates to a spiral comprising a polygonal section blade wound on itself in several turns characterized in that at least one coil of the spiral comprises an anti-approach device of turns comprising at least four stops mounted on the same face and projecting from the thickness of said at least one turn of the blade, each of said at least four stops being arranged to come into contact with the face facing another turn of the blade. blade preventing the other turn to touch said at least one turn during a shock.
- the spiral with an anti-approximation device for turns makes it possible to prevent geometrically the risk of bonding between turns by limiting the contact surface to said at least four stops.
- said at least four stops are distributed on said face at an identical angle to each other;
- said at least one turn comprises a winding anti-approach device comprising four stops distributed at an angle of 90 ° or eight stops distributed at an angle of 45 °;
- said at least four abutments protrude from the thickness over at least part or all of the height of the blade
- said at least two abutments are each in the form of a triangular or pentagonal prism so that one edge faces the face of said other turn;
- said at least four stops are each in the form of a semi-discoidal prism to offer a lower contact pressure during an impact
- the extra thickness of the said at least four stops represents between 20% and 50% of the nominal thickness of the blade
- said at least four stops are at least partially recessed in order to adjust the effect of their mass on the unbalance of the hairspring;
- said at least four stops are mounted on said face of the hairspring by means of an intermediate base to limit the increase in local stiffness
- said at least four stops are distributed on each turn of the spiral
- the inner turn is secured to a ferrule arranged to be fixed to an axis;
- the spiral is formed based on a material comprising silicon; - The spiral is monobloc.
- the invention also relates to a timepiece characterized in that it comprises at least one hairspring according to one of the preceding variants.
- FIG. 1 is a partial view from above of an anti-approach device for turns according to the invention
- FIGS. 2 and 3 are partial perspective views of two examples of anti-approach devices for turns according to the invention.
- FIGS. 4 to 10 are partial top views of embodiments of anti-approach devices for turns according to the invention.
- FIG. 1 1 is a partial perspective view of a ferrule and the beginning of inner coil of a spiral according to the invention
- FIG. 1 2 and 13 are top views of other embodiments of anti-approach device turns according to the invention.
- the present invention relates to a spiral for the field of watchmaking. More specifically, the hairspring is intended to be mounted in a timepiece such as, for example, in cooperation with a beam to form a pendulum resonator - spiral forming the regulating member of the timepiece.
- coil splices could be generated with the use of silicon spirals. lens.
- the heights H that is to say the vertical parts, turns facing each other are so smooth that an adhesion can be generated by simple approximation of two turns when, for example, an impact suffered by the timepiece. This adhesion can be further increased by contaminating the hairspring with impurities or lubricant during manufacture or wearing.
- the hairspring 1, 1 1, 21, 31, 41, 51, 61, 71, 81, 91 according to the invention comprises a blade 3, 13, 23, 33, 43, 53, 63, 73, 83, 93 of length L, of height H and thickness E forming a polygonal section, preferably rectangular, formed by the height H and the thickness E.
- the blade 3 is wound on itself in several turns. It is therefore understood that the face formed according to the height of the blade 3, 13, 23, 33, 43, 53, 63, 73, 83, 93 of a first turn vis-a-vis the opposite face of the blade on the turn immediately consecutively.
- At least one turn 8, 10 of the spiral 1, 1 1, 21, 31, 41, 51, 61, 71, 81, 91 comprises a device 5, 15, 25, 35, 45, 55, 65, 75, 85, 95 turns approximation comprising at least four stops 7, 7 ', 17, 27, 37, 47, 57, 67, 77, 87, 97 mounted on the same face and projecting from the thickness E of said at least one turn of the blade, each of said at least four stops 7, 7 ', 17, 27, 37, 47, 57, 67, 77, 87 , 97 being arranged to come into contact with the face facing another turn of the blade 3, 1 3, 23, 33, 43, 53, 63, 73, 83, 93 preventing the another turn touches said at least one turn during a shock.
- Figure 1 is a partial top view of an example of anti-approach device of turns.
- a first turn 8 formed by the blade 3 extends along a first radius Rj relative to the center of the hairspring 1.
- a second turn 10 formed by the blade 3 extends along a second radius R 2 relative to the center of the hairspring 1.
- the spring 1 is contracted maximally in Figure 1, it is understood that the difference between the second radius R 2 and the first radius Ri is the minimum distance D between the turns 8, 1 0 during normal operation ⁇ R 2 -
- the anti-approach device 8, 10 prevents the second turn 10 from touching the first turn 8.
- the second turn 10 is represented by the turn 10 'in outline. discontinuous. It can be seen that the second turn 10 'abnormally deformed by a shock comes into contact with said at least four stops 7, 7' so that the second turn 10 'abnormally deformed remains at a safety distance of 5 "relative to the first turn 8.
- the spiral 1 comprises a blade 3 provided with a device 5 anti-approach of turns of which said at least four stops 7 protrude from the thickness E over the entire height H of the blade 3 of the hairspring 1.
- this first variant is in no way limiting as to the relative height and / or position at least four stops 7 with respect to the height H of the blade 3.
- the hairspring 1 1 comprises a blade 13 provided with a device 1 5 anti-approximation of turns of which said at least four stops 17 protrude from the thickness E on only part of the height H of the blade 13.
- Figures 1 to 3 disclose said at least four abutments 7, 7 ', 17 each in the form of a triangular prism so that an edge 9, 19 is vis-à-vis with the opposite side of another turn. It is readily understood that said at least four stops 7, 7 ', 17, 27, 37, 47, 57, 67, 77, 87, 97 can not be limited to such a triangular prismatic shape.
- said at least four abutments 7, 7 ', 17, 27, 37, 47, 57, 67, 77, 87, 97 may be of different shape, for example in pentagonal or semi-discoidal prismatic form. , with an edge 9, 9 ', 19, 29, 39, 49, 59, 69, 79, or partially recessed, or of different arrangement as, for example, mounted on the same face of the spiral differently.
- FIG. 4 The first embodiment of FIG. 4 is that already illustrated in FIGS. 1 to 3. It comprises a hairspring 1 formed by a blade 3 provided with a device 5 for preventing windings, comprising at least four stops 7, 7 'in the form of a solid triangular prism directly protruding from the thickness E of the blade 3 with a sharp edge 9 which faces the turn immediately consecutive.
- the second embodiment of FIG. 5 is close to that of FIG. 4.
- the edge 29, which faces the turn immediately consecutive, is rounded to provide a contact pressure less high during a shock.
- FIG. 6 The third embodiment of FIG. 6 is close to that of FIG. 5.
- it comprises a hairspring 31 formed by a blade 33 provided with an anti-haul device 35 comprising said at least four stops 37 triangular prism form directly protruding from the thickness E of the blade 33 with a rounded edge 39 which faces the turn immediately consecutive.
- said at least four stops 37 are at least partially recessed in order to adjust the effect of their mass on the unbalance of the hairspring 31.
- the fourth embodiment of FIG. 7 comprises a hairspring 41 formed by a blade 43 provided with a device 45 for anti-approaching turns comprising at least four stops 47 in the form of a solid pentagonal prism directly protruding from the thickness E of the blade 43 with a sharp edge 49 which faces the turn immediately consecutive.
- FIG. 8 The fifth embodiment of FIG. 8 is close to that of FIG. 7.
- it comprises a hairspring 51 formed by a blade 53 provided with a device 55 for preventing windings, comprising at least four stops 57 pentagonal prism form directly protruding from the thickness E of the blade 53.
- the edge 59 which faces the coil immediately following is rounded and said at least four stops 57 are at least partially hollowed out.
- FIG. 9 The sixth embodiment of FIG. 9 is close to that of FIG. 4.
- it comprises a hairspring 61 formed by a blade 63 provided with a device 65 for preventing windings, comprising at least four stops 67 a solid triangular prism shape indirectly projecting from the thickness E of the blade 63 with a pointed ridge 69 which faces the turn immediately consecutive.
- said at least four stops 67 are mounted on the same face of the hairspring using an intermediate base 68 of smaller thickness than the base of the triangular prism to limit the stiffness increase. localized by the localized increase of the thickness E on the blade 63.
- the intermediate base 68 is of prismatic shape with a substantially rectangular or square base.
- the seventh embodiment of FIG. 10 is close to that of FIG. 9.
- it comprises a hairspring 71 formed by a blade 73 provided with a device 75 for preventing windings, comprising at least four stops. 77 in the form of a triangular prism protruding from the thickness E of the blade 73 by means of an intermediate base 78.
- the edge 79 which faces the turn immediately consecutive is rounded and said at least four stops 77 are at least partially hollowed out.
- said at least four abutments could be partially of cylindrical shape, that is to say have a prismatic base section in the form of a partial disk, such as, for example, semi-circular cylindrical.
- said at least four abutments could be partially of cylindrical shape, that is to say have a prismatic base section in the form of a partial disk, such as, for example, semi-circular cylindrical.
- the eighth embodiment of Figure 12 comprises a spiral 81 formed by a blade 83 provided with a device 85 anti-approach of turns comprising said at least four stops 87 as a semi-discoidal prism full protruding directly the thickness E of the blade 83 which faces the coil immediately consecutive.
- the blade 83 has four stops 87 distributed every 90 ° on each turn, the four sets of stops 87 forming an alignment every 90 ° when the hairspring 81 is at rest.
- the spiral 81 has an inner coil 82 whose free end is shaped with a ferrule 84 and whose trajectory follows a Grossmann type curve.
- the hairspring 81 also comprises an outer turn 86 whose free end has come form with a fastener 89 for poking the hairspring 81 and a portion 88 is thickened to provide localized stiffening.
- This eighth embodiment was satisfactory by having a blade 83 with a thickness E of 42.5 ⁇ , a resting distance D of 52 ⁇ , a contraction distance D of 300 ° of 26 ⁇ and a depth F of 10 to ⁇ . It is therefore understood that a depth P between 20% and 50% of the thickness of the blade 83 is sufficient to ensure an effective anti-reconciliation device 85.
- FIG. 13 comprises a spiral 91 formed by a blade 93 provided with a device 95 for anti-approximation of turns comprising at least eight stops 97 in the form of a solid semi-discoidal prism directly projecting from the thickness E of the blade 93 which faces the turn immediately consecutive.
- the blade 93 has eight stops 97 distributed every 45 ° on each turn, the eight sets of stops 97 forming an alignment every 45 ° when the hairspring 91 is at rest.
- the spiral 91 has an inner coil 92 whose free end is shaped with a ferrule 94 and whose trajectory follows a Grossmann curve.
- the hairspring 91 also comprises an outer turn 96 whose free end has come in shape with a fastener 99 for patting the hairspring 91 and a portion 98 of which is thickened to provide localized stiffening.
- the hairspring 1, 1 1, 21, 31, 41, 51, 61, 71 may also comprise an inner turn which is integral with an arranged ferrule to be fixed to an axis as illustrated in the example of Figure 1 1.
- a hairspring 1 formed by a single blade 3 whose inner turn 2 is provided with a device 5 antirrangling turns comprising said at least four stops 7, 7 'in the form of a triangular prism making protrusion of the thickness E of the blade 3, the inner coil 2 being integral with a ferrule 4.
- the ferrule 4 substantially shaped clover has a hole 6 for, for example, to receive a balance shaft.
- the hairspring 1, 1 1, 21, 31, 41, 51, 61, 71, 81, 91 can be monoblock, that is to say that the blade 3, 13, 23, 33, 43, 53, 63, 73, 83, 93 is formed without discontinuity of material.
- Such a spiral 1, 1 1, 21, 31, 41, 51, 61, 71, 81, 91 may be formed based on a material comprising silicon, that is to say, for example, monocrystalline silicon , polycrystalline silicon, doped monocrystalline silicon, doped polycrystalline silicon, amorphous silicon, porous silicon, doped or non-doped silicon carbide, doped or non-doped silicon nitride, doped or non-doped silicon oxide such as quartz or silica.
- the Anisotropic etching of such materials can be carried out wet or dry.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480068093.XA CN105829977B (zh) | 2013-12-16 | 2014-11-19 | 具有线圈间隔装置的游丝 |
JP2016534916A JP6177439B2 (ja) | 2013-12-16 | 2014-11-19 | コイル巻きスペーサーデバイスを備えたバランスばね |
US15/038,577 US9645549B2 (en) | 2013-12-16 | 2014-11-19 | Balance spring with coil spacer device |
EP14800048.2A EP3084529B1 (fr) | 2013-12-16 | 2014-11-19 | Spiral avec dispositif anti-rapprochement de spires |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13197321.6A EP2884347A1 (fr) | 2013-12-16 | 2013-12-16 | Spiral avec dispositif anti-rapprochement de spires |
EP13197321.6 | 2013-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2015090815A2 true WO2015090815A2 (fr) | 2015-06-25 |
WO2015090815A3 WO2015090815A3 (fr) | 2015-12-10 |
Family
ID=49759187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/074976 WO2015090815A2 (fr) | 2013-12-16 | 2014-11-19 | Spiral avec dispositif anti-rapprochement de spires |
Country Status (5)
Country | Link |
---|---|
US (1) | US9645549B2 (fr) |
EP (2) | EP2884347A1 (fr) |
JP (1) | JP6177439B2 (fr) |
CN (2) | CN105829977B (fr) |
WO (1) | WO2015090815A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017083434A (ja) * | 2015-10-19 | 2017-05-18 | ロレックス・ソシエテ・アノニムRolex Sa | 高濃度にドープされたシリコンからなる時計用のヒゲゼンマイ |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2884347A1 (fr) * | 2013-12-16 | 2015-06-17 | ETA SA Manufacture Horlogère Suisse | Spiral avec dispositif anti-rapprochement de spires |
EP3309625B1 (fr) * | 2016-10-13 | 2020-07-29 | Nivarox-FAR S.A. | Spiral destiné à être fixé par une rondelle élastique |
CH711828A2 (fr) * | 2017-02-22 | 2017-05-31 | Csem Centre Suisse D'electronique Et De Microtechnique Sa - Rech Et Développement | Pièce d'horlogerie micromécanique multi-niveaux et son procédé de fabrication. |
CN108597768B (zh) * | 2018-06-11 | 2020-06-30 | 国家电网有限公司 | 变压器油道结构、变压器绕组及变压器 |
EP3654111B1 (fr) | 2018-11-15 | 2022-02-16 | Nivarox-FAR S.A. | Procédé de mesure de couple d'un spiral d'horlogerie et son dispositif |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3696687A (en) * | 1971-03-25 | 1972-10-10 | Ametek Inc | Plastic hairspring |
ATE307990T1 (de) * | 2002-11-25 | 2005-11-15 | Suisse Electronique Microtech | Spiraluhrwerkfeder und verfahren zu deren herstellung |
CH696881A5 (fr) * | 2005-06-28 | 2008-01-15 | Eta Sa Mft Horlogere Suisse | Pièce de micro-mécanique en silicium renforcé et son procédé de fabrication. |
TWI438588B (zh) * | 2006-03-24 | 2014-05-21 | Eta Sa Mft Horlogere Suisse | 由絕緣材料製成的微機械零件及其製造方法 |
EP2151722B8 (fr) * | 2008-07-29 | 2021-03-31 | Rolex Sa | Spiral pour résonateur balancier-spiral |
EP2405312A1 (fr) * | 2010-07-09 | 2012-01-11 | Montres Breguet S.A. | Spiral de balancier à deux niveaux et à centre de masse immobile |
US8562206B2 (en) | 2010-07-12 | 2013-10-22 | Rolex S.A. | Hairspring for timepiece hairspring-balance oscillator, and method of manufacture thereof |
EP2434353B1 (fr) | 2010-09-28 | 2018-01-10 | Montres Breguet SA | Spiral anti-galop pour échappement d'horlogerie |
EP2613206B1 (fr) * | 2012-01-05 | 2022-05-11 | Montres Breguet SA | Spiral à deux ressort-spiraux à isochronisme amélioré |
EP2690508B1 (fr) * | 2012-07-26 | 2015-02-25 | Nivarox-FAR S.A. | Spiral d'horlogerie |
EP2884347A1 (fr) * | 2013-12-16 | 2015-06-17 | ETA SA Manufacture Horlogère Suisse | Spiral avec dispositif anti-rapprochement de spires |
-
2013
- 2013-12-16 EP EP13197321.6A patent/EP2884347A1/fr not_active Withdrawn
-
2014
- 2014-11-19 EP EP14800048.2A patent/EP3084529B1/fr active Active
- 2014-11-19 WO PCT/EP2014/074976 patent/WO2015090815A2/fr active Application Filing
- 2014-11-19 CN CN201480068093.XA patent/CN105829977B/zh active Active
- 2014-11-19 JP JP2016534916A patent/JP6177439B2/ja active Active
- 2014-11-19 US US15/038,577 patent/US9645549B2/en active Active
- 2014-12-16 CN CN201420801906.9U patent/CN204496165U/zh active Active
Non-Patent Citations (1)
Title |
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None |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017083434A (ja) * | 2015-10-19 | 2017-05-18 | ロレックス・ソシエテ・アノニムRolex Sa | 高濃度にドープされたシリコンからなる時計用のヒゲゼンマイ |
Also Published As
Publication number | Publication date |
---|---|
WO2015090815A3 (fr) | 2015-12-10 |
EP3084529B1 (fr) | 2019-01-30 |
JP6177439B2 (ja) | 2017-08-09 |
CN105829977A (zh) | 2016-08-03 |
CN105829977B (zh) | 2019-06-21 |
US20160299470A1 (en) | 2016-10-13 |
EP3084529A2 (fr) | 2016-10-26 |
JP2016538557A (ja) | 2016-12-08 |
CN204496165U (zh) | 2015-07-22 |
EP2884347A1 (fr) | 2015-06-17 |
US9645549B2 (en) | 2017-05-09 |
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