EP2863274B1 - Aiguille élastique flexible - Google Patents

Aiguille élastique flexible Download PDF

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Publication number
EP2863274B1
EP2863274B1 EP13189231.7A EP13189231A EP2863274B1 EP 2863274 B1 EP2863274 B1 EP 2863274B1 EP 13189231 A EP13189231 A EP 13189231A EP 2863274 B1 EP2863274 B1 EP 2863274B1
Authority
EP
European Patent Office
Prior art keywords
pipe
timepiece
drive means
resilient
hand
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
EP13189231.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2863274A1 (fr
Inventor
Marc Stranczl
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.)
Montres Breguet SA
Original Assignee
Omega 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 Omega SA filed Critical Omega SA
Priority to EP16198896.9A priority Critical patent/EP3159751B1/fr
Priority to EP13189231.7A priority patent/EP2863274B1/fr
Priority to CH01780/13A priority patent/CH708731B1/fr
Priority to TW103134032A priority patent/TWI639067B/zh
Priority to US14/501,246 priority patent/US9075392B2/en
Priority to JP2014210480A priority patent/JP5872661B2/ja
Priority to KR1020140139868A priority patent/KR101635867B1/ko
Priority to CN201410554899.1A priority patent/CN104570687B/zh
Publication of EP2863274A1 publication Critical patent/EP2863274A1/fr
Priority to HK15110665.6A priority patent/HK1210282A1/zh
Priority to KR1020160080638A priority patent/KR101778450B1/ko
Application granted granted Critical
Publication of EP2863274B1 publication Critical patent/EP2863274B1/fr
Active 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/04—Hands; Discs with a single mark or the like
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/04—Hands; Discs with a single mark or the like
    • G04B19/046—Indicating by means of a disc with a mark or window
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/02—Driving mechanisms with driving weight
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/04—Hands; Discs with a single mark or the like
    • G04B19/042—Construction and manufacture of the hands; arrangements for increasing reading accuracy
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/04—Hands; Discs with a single mark or the like
    • G04B19/048—Hands; Discs with a single mark or the like having the possibility of indicating on more than one scale, e.g. hands with variable length which work on different scales
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0038—Figures or parts thereof moved by the clockwork
    • G04B45/0061—Moving parts of the clockwork, e.g. pendulum, hands in special form, mostly constructed as a figure
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects

Definitions

  • the invention relates to an elastic watchmaking needle, comprising a first driving gun secured to a flexible blade.
  • the invention also relates to a clock display mechanism comprising at least one such elastic needle.
  • the invention also relates to a watch movement comprising at least one such display mechanism.
  • the invention also relates to a timepiece comprising at least one such watch movement, or comprising at least one such display mechanism.
  • the invention also relates to a scientific apparatus comprising at least one such clockwork movement, or comprising at least one such display mechanism.
  • the invention relates to the field of analog display mechanisms by mobile mechanical components, for timepieces or scientific devices.
  • the document JP 2011 163,914 A in the name of CITIZEN describes a timepiece controlled by radio, with recessed needles covering antennas.
  • the invention proposes to provide a reliable and very robust solution to the problem of providing a variable radial extension indicator according to its position and control.
  • the invention relates to an elastic clocking needle according to claim 1.
  • the invention also relates to a clock display mechanism comprising at least one such elastic needle, according to claim 5.
  • the invention also relates to a watch movement comprising at least one such display mechanism.
  • the invention also relates to a timepiece comprising at least one such watch movement, or comprising at least one such display mechanism.
  • the invention also relates to a scientific apparatus comprising at least one such clockwork movement, or comprising at least one such display mechanism.
  • the invention relates to a display indicator for a timepiece or for a scientific apparatus.
  • this display indicator is in shape memory, and its instantaneous shape depends on at least one drive means which is applied to a particular area of this display indicator.
  • the invention is described here in the particular case, but not limiting, of a rotary indicator, and in particular of an elastic needle.
  • the principle is applicable to an indicator with a different mobility path than circular, for example a linear cursor, or other, especially in space.
  • drive means comprising gear wheels are described below, but the invention is equally applicable to analog display means for an electronic or electrical device, a quartz watch or the like.
  • the principle of the invention is to provide a display mechanism, at least one indicator, including a needle, for example the hour hand for a watch, has a variable length, or a variable radial extension.
  • the figure 1 illustrates the trajectory of an end vertex of an elastic needle 1 according to the invention, mounted on a conventional watch movement performing a revolution in 12 hours, which is described in more detail below.
  • This trajectory comprises two complete spiral turns. This trajectory makes it possible to represent, on a dial, the day on the outer turn at night on the inner turn, or the morning and the afternoon, or similar.
  • the spiral trajectory is covered in 24 hours over 2 laps.
  • the invention thus relates to an elastic display indicator, and more particularly to a resilient, flexible, monolithic needle 1 having a variable length.
  • This clockwise elastic needle 1 comprises a first driving gun 2 integral with a flexible blade 3.
  • the invention is more specifically described for this invention. application of a flexible indicator to a needle, but it is understood that it is applicable to other forms of indicators, plan or three-dimensional.
  • This elastic needle 1 is one-piece, and the flexible blade 3 comprises at least a first flexible segment 5 between the first barrel 2 and a first vertex 6, the first vertex 6 being at a variable distance from the first barrel 2 according to applied forces to the flexible blade 3.
  • the elastic needle 1 comprises a second driving gun 4 also integral with the flexible blade 3, and the flexible blade 3 is composed of a plurality of flexible segments 5 connected end to end at vertices 6. Au least one of these vertices 6 is, in the unstressed free state of the elastic needle 1, remote from the first barrel 2 and the second barrel 4.
  • first barrel 2 and second barrel 4 are preferably spaced from each other in the free state of the elastic needle 1.
  • a segment 5 carries the first barrel 2 at a first end 52
  • another segment 5 carries the second barrel 4 at a second end 54
  • the first end 52 and the second end 54 are spaced from each other or form a non-zero angle with each other.
  • the invention is described and illustrated with a simple variant of needle 1 having a single vertex 6 between two segments 5, but it is applicable to more complex geometries.
  • the distance between at least one vertex 6 and the first barrel 2 is a function of the distance between the first barrel 2 and the second barrel 4 and / or the angular distance e between the first barrel 2 and the second barrel 4.
  • This first barrel 2 and the second barrel 4 can follow any movements, linear, pivoting, combined, or in space, which offers many possibilities for the invention to perform any desired type of display.
  • a three-dimensional vertex 6 of such a needle 1 movable for example in a space delimited by a hemispherical ice or the like: driving means of the first gun 2 in an XY plane define a plane P passing through the axis Z perpendicular to the XY plane , and drive means of the second gun 4 define a radial mobility of the vertex 6 of the needle 1 in this plane P;
  • driving means of the first gun 2 in an XY plane define a plane P passing through the axis Z perpendicular to the XY plane
  • drive means of the second gun 4 define a radial mobility of the vertex 6 of the needle 1 in this plane P;
  • such an application is interesting especially for astronomical watches and clocks, and can draw trajectories in space such as elliptical orbits or others.
  • the distance between at least one said vertex 6 and the common axis A is a function of the angular distance e between the first barrel 2 and the second barrel 4.
  • the invention also relates to a clock display mechanism comprising at least one such elastic needle 1.
  • This display mechanism 10 comprises first drive means 11 of the first barrel 2 of this at least one elastic needle 1 around of a pivot axis D, and second means 12 for stressing this at least one elastic needle 1, to vary the position of at least one such vertex 6 of this at least one elastic needle 1 with respect to the pivot axis D.
  • the second means 12 of stressing comprise at least one track 13 or guide cam 14 of a said vertex 6 or an extension of a said vertex 6.
  • the elastic needle 1 then advantageously comprises, at the level of at least one such vertex 6, a stylet 7 arranged to follow a cam track or the like.
  • the mechanism 10 comprises at least one elastic needle 1 with a second barrel 4, and the second means 12 of stressing comprise second drive means 13 of the second barrel 4.
  • the second drive means 13 of the second barrel 4 are coaxial with the first drive means 11 of the first barrel 2.
  • the elastic needle 1 is mounted prestressed so as to permanently exert on the first drive means 11 and on the second drive means 13 a torque tending to catch the operating clearances that these first drive means 11 and these second drive means 13 have relative to each other.
  • the first drive means 11 and the second drive means 13 are pivoting drive means, and the pivoting speeds of the first drive means 11 and the second drive means 13 are different from each other. And, preferably, the difference on a given stroke of the first barrel 2, in particular but not exclusively a whole number of revolutions of the first barrel 2, is caught by a jump between the first drive means 11 and the second means of training 13.
  • the display mechanism 10 advantageously comprises control means 15 for controlling the pivoting speeds of the first driving means 11 and the second driving means 13, as well as the angular position of at least the first barrel 2. These means of 15 are arranged to impose a particular trajectory to at least one such vertex 6 of this at least one elastic needle 1 that includes the mechanism 10.
  • FIGS. 2A to 2C illustrate the principle of the invention:
  • the Figure 2A represents an elastic needle 1, in particular of silicon or the like, or in a micro-material made according to a process of the "DRIE" or "LIGA” type, raw of manufacture:
  • the elastic needle 1 is composed of two flexible segments 5 united to a common vertex 6.
  • At the free ends 52 and 54 of these segments 5 are a first barrel 2 and a second barrel 4.
  • the segments 5 together form a single flexible blade 3.
  • the spiral trajectory of the elastic needle 1 on the figure 1 implies that the variation of angle ⁇ obeys the diagram of the figure 3 : every two turns, the elastic needle 1 accumulates an angle difference ⁇ which must be reset by an instantaneous jump.
  • the continuous arrows of the figure 4 indicate the direction of rotation of the elements, while the discontinuous arrows indicate the direction of application of torques or forces.
  • the first drive means 11 comprise a first pinion 21 driving the first gun 2, the first pinion 21 is driven by a first drive wheel 22.
  • the second drive means 13 comprise a second pinion 23 drive of the second gun 4, the second pinion 23 is driven by a second drive wheel 24.
  • the transmission ratios are, in this particular example, such that, when the first gun 2 rotates 2 turns, the second gun 4 does not performs only 1.8 turns.
  • the 0.2-turn angle difference of this example must be adapted to the needle or vice versa, and is acquired linearly, continuously, during all two turns.
  • the second drive wheel 24 has a non-toothing sector 25 forming a notch, which allows the elastic needle 1 to be re-tensioned at the end of the second turn, according to the movement illustrated by an arrow double on the Figures 1 and 3 .
  • the torque exerted constantly by the elastic needle 1 allows the passage of the missing tooth or teeth without the elastic needle 1 does not pause.
  • the elastic needle 1 is constantly under stress makes it possible to perform the jump at the end of the spiral trajectory (double arrow on the Figures 1 and 3 ), to avoid any play in the gear and also that the jump is made without a timeout. Indeed, the wheel does not stop because the torque in the elastic needle 1 fills the clearance between the teeth and also the vacuum at the sector 25.
  • the angle difference ⁇ is 0.2 turn. This differential ⁇ depends on the design of the elastic needle 1, or vice versa.
  • the flexible elastic needle 1 may have other shapes.
  • the monolithic flexible elastic needle 1 preferably comprises two barrels, and the display mechanism 10 makes it possible, by varying the angle of these two barrels, to vary the length, or radial extension, of the barrel. elastic needle 1.
  • FIGS. 6A and 6B show a variant of needle 1 with a solid portion 60 attached to the guns 2 and 4 by flexible blades 520 and 540, on two levels, these flexible blades 520 and 540 being wound around the guns 2 and 4 respectively.
  • Such an elastic needle 1 of variable length allows great freedom of shape, and allows, as visible on the Figures 7A to 7D to materialize the trajectory of the vertex 6 respectively on a spiral, concentric circles, a square, an oval, or intersecting lobes, or others, these trajectories being in no way limiting.
  • a non-circular trajectory is defined by the transmission ratio between the two guns.
  • Non-cylindrical gears for example two ovoidal cams, have a non-constant transmission ratio which periodically changes the length of the elastic needle 1.
  • the Figures 8A-C illustrate non-limiting examples of such particular practices applicable to this complication.
  • the variable transmission ratios obtained according to the figure 8 are innovative and allow great freedom of trajectory design.
  • the invention also relates to a watch movement 20 comprising at least one such display mechanism 10.
  • the invention also relates to a timepiece 30 comprising at least one such watch movement 20, or / and comprising at least one display mechanism 10.
  • this timepiece 30 is a watch.
  • the invention also relates to a scientific apparatus 30 comprising at least one such watch movement 20, or / and comprising at least one such display mechanism 10.
  • Flexible flexible needles 1 according to the invention are easy to produce in silicon-type or similar materials, by "DRIE” or “LIGA” technologies or the like, and do not require any assembly. These technologies are interesting because they allow a multi-level realization, for example a needle according to the Figure 6B may comprise a first level with the first barrel 2 and the first segment 520 adjacent, the solid part 60 is composed of the extension of this first level by a second level, and the second segment 540 and the second barrel 4 are made on this second level .
  • the display mechanisms 10 including such indicators allow a wider exploitation of the possibilities of the movements or mechanisms of the scientific apparatus or timepieces 30, with a more precise visualization over extended ranges of values.
  • the invention lends itself to the making of shape memory indicators, to draw the attention of the user to a particular circumstance. It is thus possible to cite a needle of articulated appearance, which evolves in a substantially aligned position of the segments that compose it in a part of its stroke, and which is completely deformed to take a particular shape in a broken line during a change of range, or during the operation of a mechanism or a circuit of the timepiece or the scientific apparatus, for example an alarm clock or an alarm when detecting a danger threshold, or the like.
  • Another application is animating a silhouette of a character or object in a window, in similar circumstances.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromechanical Clocks (AREA)
EP13189231.7A 2013-10-18 2013-10-18 Aiguille élastique flexible Active EP2863274B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP16198896.9A EP3159751B1 (fr) 2013-10-18 2013-10-18 Aigulle elastique flexible
EP13189231.7A EP2863274B1 (fr) 2013-10-18 2013-10-18 Aiguille élastique flexible
CH01780/13A CH708731B1 (fr) 2013-10-18 2013-10-18 Indicateur d'affichage élastique, notamment une aiguille élastique, à extension radiale variable.
TW103134032A TWI639067B (zh) 2013-10-18 2014-09-30 可撓式彈性指針
US14/501,246 US9075392B2 (en) 2013-10-18 2014-09-30 Flexible resilient hand
JP2014210480A JP5872661B2 (ja) 2013-10-18 2014-10-15 可撓性弾性針
KR1020140139868A KR101635867B1 (ko) 2013-10-18 2014-10-16 가요성 탄성 핸드
CN201410554899.1A CN104570687B (zh) 2013-10-18 2014-10-17 柔弹性指针
HK15110665.6A HK1210282A1 (zh) 2013-10-18 2015-10-28 柔彈性指針
KR1020160080638A KR101778450B1 (ko) 2013-10-18 2016-06-28 가요성 탄성 핸드

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13189231.7A EP2863274B1 (fr) 2013-10-18 2013-10-18 Aiguille élastique flexible

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP16198896.9A Division EP3159751B1 (fr) 2013-10-18 2013-10-18 Aigulle elastique flexible
EP16198896.9A Division-Into EP3159751B1 (fr) 2013-10-18 2013-10-18 Aigulle elastique flexible

Publications (2)

Publication Number Publication Date
EP2863274A1 EP2863274A1 (fr) 2015-04-22
EP2863274B1 true EP2863274B1 (fr) 2017-03-15

Family

ID=49447401

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13189231.7A Active EP2863274B1 (fr) 2013-10-18 2013-10-18 Aiguille élastique flexible
EP16198896.9A Active EP3159751B1 (fr) 2013-10-18 2013-10-18 Aigulle elastique flexible

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP16198896.9A Active EP3159751B1 (fr) 2013-10-18 2013-10-18 Aigulle elastique flexible

Country Status (8)

Country Link
US (1) US9075392B2 (zh)
EP (2) EP2863274B1 (zh)
JP (1) JP5872661B2 (zh)
KR (2) KR101635867B1 (zh)
CN (1) CN104570687B (zh)
CH (1) CH708731B1 (zh)
HK (1) HK1210282A1 (zh)
TW (1) TWI639067B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3882719A1 (fr) 2020-03-19 2021-09-22 Universo S.A. Conditionnement d aiguilles d horlogerie

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KR102535081B1 (ko) * 2015-12-09 2023-05-22 삼성전자주식회사 시계-타입 웨어러블 장치
CH713520B1 (fr) * 2016-01-08 2022-06-30 Hauser Charles Indicateur comprenant des aiguilles à longueur variable.
EP3208665B1 (fr) * 2016-02-18 2019-01-02 Blancpain SA. Affichage retrograde d'horlogerie a aiguille retractable
JP6806785B2 (ja) * 2016-03-15 2021-01-06 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド エンドピースを備える針及び組付方法
CH712612B1 (fr) * 2016-06-29 2020-07-31 Csem Ct Suisse Delectronique Microtechnique Sa Rech Developpement Organe indicateur comportant au moins un élément mobile, système d'affichage associé et pièce d'horlogerie comportant un tel système d'affichage.
EP3267266B1 (fr) * 2016-07-05 2020-04-08 Montres Breguet S.A. Mécanisme d'affichage à rouleau pour montre
JP1590038S (zh) * 2016-10-20 2017-11-06
EP3605243A1 (fr) 2018-07-31 2020-02-05 Montres Breguet S.A. Mecanisme d'affichage d'horlogerie a geometrie variable avec aiguille elastique
EP4276544A1 (fr) 2022-05-11 2023-11-15 Montres Breguet S.A. Mécanisme horloger pour l'actionnement d'une aiguille flexible
EP4300213A1 (fr) 2022-06-27 2024-01-03 Montres Breguet S.A. Mecanisme d'actionnement d'aiguille d'affichage flexible mu par un mouvement d'horlogerie
EP4336274A1 (fr) * 2022-09-08 2024-03-13 Montres Breguet S.A. Mecanisme d'actionnement pour une aiguille d'affichage flexible

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Cited By (1)

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EP3882719A1 (fr) 2020-03-19 2021-09-22 Universo S.A. Conditionnement d aiguilles d horlogerie

Also Published As

Publication number Publication date
KR20150045374A (ko) 2015-04-28
JP5872661B2 (ja) 2016-03-01
EP2863274A1 (fr) 2015-04-22
EP3159751B1 (fr) 2018-10-03
US20150109891A1 (en) 2015-04-23
CN104570687B (zh) 2017-04-12
EP3159751A1 (fr) 2017-04-26
KR101778450B1 (ko) 2017-09-13
JP2015078983A (ja) 2015-04-23
TW201527909A (zh) 2015-07-16
US9075392B2 (en) 2015-07-07
HK1210282A1 (zh) 2016-04-15
KR101635867B1 (ko) 2016-07-20
KR20160084336A (ko) 2016-07-13
CH708731B1 (fr) 2017-12-15
CH708731A2 (fr) 2015-04-30
CN104570687A (zh) 2015-04-29
TWI639067B (zh) 2018-10-21

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