EP3070535B1 - Barillet ayant un couple de rotation essentiellement constant - Google Patents

Barillet ayant un couple de rotation essentiellement constant Download PDF

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Publication number
EP3070535B1
EP3070535B1 EP15159696.2A EP15159696A EP3070535B1 EP 3070535 B1 EP3070535 B1 EP 3070535B1 EP 15159696 A EP15159696 A EP 15159696A EP 3070535 B1 EP3070535 B1 EP 3070535B1
Authority
EP
European Patent Office
Prior art keywords
barrel
pin
positioning ring
spring
winding
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
EP15159696.2A
Other languages
German (de)
English (en)
Other versions
EP3070535A1 (fr
Inventor
Patrick Streubel
Silko Goldmann
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.)
Glashuetter Uhrenbetrieb GmbH
Original Assignee
Glashuetter Uhrenbetrieb GmbH
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 Glashuetter Uhrenbetrieb GmbH filed Critical Glashuetter Uhrenbetrieb GmbH
Priority to EP15159696.2A priority Critical patent/EP3070535B1/fr
Priority to US15/058,777 priority patent/US9671754B2/en
Priority to JP2016050493A priority patent/JP6125686B2/ja
Priority to CN201610154259.0A priority patent/CN105988354B/zh
Publication of EP3070535A1 publication Critical patent/EP3070535A1/fr
Application granted granted Critical
Publication of EP3070535B1 publication Critical patent/EP3070535B1/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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/18—Constructions for connecting the ends of the mainsprings with the barrel or the arbor
    • G04B1/20—Protecting arrangements against rupture or overwinding of the mainspring located in the barrel or attached to the barrel
    • G04B1/205—Stop-mechanisms
    • 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
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/16—Barrels; Arbors; Barrel axles
    • 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
    • G04B1/10—Driving mechanisms with mainspring
    • 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
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/18—Constructions for connecting the ends of the mainsprings with the barrel or the arbor
    • G04B1/20—Protecting arrangements against rupture or overwinding of the mainspring located in the barrel or attached to the barrel
    • 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
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/22—Compensation of changes in the motive power of the mainspring
    • G04B1/225—Compensation of changes in the motive power of the mainspring with the aid of an interposed power-accumulator (secondary spring) which is always tensioned
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/002—Automatic winding up by moving of parts of the clockwork which are not primarily for winding up
    • 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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • 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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • G04B9/005—Supervision of the state of winding, e.g. indicating the amount of winding by optical indication of the amount of winding

Definitions

  • the present invention relates to a barrel, which is adapted for an automatic elevator, among other things, and only allows a limited number of outlet revolutions.
  • Maltese cross positions are used in clockworks that are not equipped with an automatic winding mechanism, i.e. so-called manual wind movements, to limit the revolutions of the spring core and the barrel barrel during winding or during the sequence.
  • an automatic winding mechanism i.e. so-called manual wind movements
  • CH10576 Such a barrel structure is shown where the Maltese cross has a so-called locking tooth.
  • the number of revolutions of the elevator and of the number of revolutions of the elevator is thus fixed to the same predetermined number - here 5.
  • gear positions are also used for this purpose, e.g. the Breguet ratchet, which two wheels, each with a certain projection on a superimposed circuit diagram, meet and block each other after a number of turn or elevator rotations - usually 4.
  • the barrel of the watch with automatic winding has no limit on the number of revolutions.
  • this limitation is achieved by fastening the mainspring with a hook on the inside of the barrel; on the contrary, the tension springs of the clockworks with automatic winding have a so-called slip bridle at their outer end, which allows the tension spring to slide on the inner wall of the barrel barrel when a certain torque is exceeded.
  • the object of the present invention is to overcome these disadvantages.
  • the barrel according to the invention which has a device for limiting the number of barrel revolutions, but allows the number of elevator revolutions of the barrel as desired, makes it possible, on the one hand, to decouple the number of barrel revolutions and barrel revolutions.
  • the tension level of the mainspring of a barrel for an automatic elevator is only limited by the sliding bridle, and at the same time the available torque is always maintained at a sufficient level.
  • This decoupling of the number of revolutions of the winding and of the number of revolutions of the barrel is also advantageous for a tension spring for a manual lift which is fastened to the inside of the barrel with a hook, for example if a second barrel has a different torque and a different number of lifts than the first barrel. and outward revolutions of the tension spring, to be wound by the same rotary movement of an elevator crown.
  • the claimed barrel thus solves a problem that has existed for a long time, as in the case of the hand-wound movements equipped with one position, and the effective one in a barrel for a clockwork with automatic winding Limit the length of the tension spring and thus separate the torque of the tension spring, which decreases at the end of the gear duration, from the total gear duration.
  • FIGS. 1A, 1B and 2nd Reference show different views of the barrel 1 of a clockwork with an automatic elevator according to a preferred embodiment of the invention.
  • FIGs 1A and 2nd the device for limiting the running revolutions is highlighted, in which the barrel 1 is shown in a blocking position.
  • a conventional barrel 1 is available for a clockwork with automatic winding.
  • the ratchet wheel 2 is located on the top of the spring shaft 3.
  • the tension spring 4 is tensioned; as soon as the tension spring 4 is completely wrapped around the spring shaft 3, the sliding tree 4a of the tension spring slides along the inner drum wall 1a of the barrel 1.
  • the barrel 1 also turns to the left (second arrow direction " b "), the spring shaft 3 being fixed.
  • the drive toothing 1c drives the drive and any other modules connected to it, such as the date switch.
  • the claimed device 10 is preferably arranged in a step-like manner under the base 1b of the barrel 1. Thus, it is hidden on the one hand after assembly on the work plate, and is more accessible during assembly because it is not partially covered under the ratchet wheel 2. Like in Figure 1B shown, the claimed device 10 preferably consists of two separate devices, each of which is provided for a specific function, namely a first device 10a for releasing the winding rotations, and a second device 10b for limiting the number of running revolutions of the barrel 1.
  • the first device 10a works in a first circuit diagram A
  • the said second device 10b works in a second separate circuit diagram B, so that each desired function is carried out in a corresponding dedicated circuit diagram, so that the additional modules can be built up step by step without exert any influence on the usual barrel ratchet structure of the barrel.
  • the device 10 includes a position ring 5 which is rotatably mounted on the barrel 1 and which also shows in detail Figure 3A and which is involved in both the first device 10a and the second device 10b.
  • This position ring 5 is stacked between the bottom 1b of the barrel 1 and an added cover plate 11, and is mounted around an extension (not shown) (such as vertical cylindrical wall sections on the underside of the barrel 1).
  • the cover plate 11, which is arranged like a deeper double floor for the barrel 1, is the barrel 1 preferably with the screws 12 - for example 3 as on Fig.
  • first device 10a for the release of the elevator rotations.
  • this first device 10a operates in the first circuit diagram A, and its precise functioning is explained in more detail with the aid of Figures 4A-4B explained.
  • the position ring 5 has an internal toothing 5a, which is in engagement with a gear 6, and at its outer edge a deviation between a first stop surface 13 and a second stop surface 13 '.
  • the said deviation simply consists in forming a circular section, the radius of which is slightly smaller than that of the edge, which is also circular.
  • the two stop surfaces - ie the first stop surface 13 and the second stop surface 13 '- are shaped.
  • the interaction of a second pin 14 with the first stop surface 13 similarly forms a preferred embodiment for the second device 10b, which operates in the second circuit diagram B.
  • the barrel 1 is shown in an already locked position because the second pin 14 is supported on the stop surface 13 and blocks a further sequence in the second arrow direction "b".
  • the inner toothing 5a has a total of 17 teeth, which determines the maximum number of outlet revolutions.
  • This inner toothing 5a is in engagement with a gearwheel 6, which has 13 teeth, and which on the other hand meshes with a shift finger 8.
  • the position ring 5 can be switched from one tooth to the right or left, in each case during the winding of the barrel 1 (first arrow direction " a " for the entire gear shift finger 8 - gear 6 - position ring 5) or, in contrast, while the barrel is running ( second arrow direction " b " for the gear barrel 1 - gear 6 - position ring 5).
  • the deviation between the first stop surface 13 and the second stop surface 13 ' is arranged symmetrically with respect to the inner toothing 5a, ie this deviation extends over an angular segment equivalent to the inner toothing 5a of the position ring 5, so that the second pin 14 would similarly hit the opposite second stop surface 13 'in the direction of the elevator (according to the first arrow direction " a ") if the gear 6 meshed with the last right tooth of the internal toothing 5a.
  • This ensures a double lock for the turnstile in both directions; however, thanks to the arrangement of the first pin 9 in the angular segment between the two stop surfaces (13, 13 'in each case), this last lock is never used because the first device 10a is always excited beforehand.
  • an indexing mechanism is also provided which, according to the preferred embodiment shown, is provided by a detent spring 7 which is engaged between the teeth of the gear 6 , is trained.
  • This mechanism works in the second circuit diagram B, ie directly in the diagram of the position ring 5, and thus penetrates not inside the barrel of the barrel.
  • Such a compact arrangement outside the barrel 1 does not interfere with its normal operation, and hardly requires any additional space that could be used for other parts in the clockwork.
  • FIGS 3A and 3B are each a preferred embodiment for the position ring 5 and the return spring 15 illustrated, where the return spring 15 is approximately U-shaped, and is arranged such that it is attached to the barrel 1 with a shoulder pin 16.
  • the return spring 15 has a longer arm which is provided with a tip 15a, which forms an outstanding part of this resilient component from the edge of the cover plate 11 (see, for example Figure 1A ) and can cooperate with the first pin 9 attached to the position ring 5.
  • Such an arrangement allows the restoring force exerted by the resilient tip 15a to be maximized.
  • the first pin 9 lies at an angle between the first stop surface 13 and the second stop surface 13 ', so that this pin 9 hits the return spring 15 when the barrel 1 is lifted, before the second pin 14 is blocked by the second stop surface 13' because a there is a minimal distance D between the second pin 14 and the second stop surface 13 'in the elevator.
  • This minimum distance D is open Figure 4A is shown, and is also achieved in that the angle between the return spring 15 and the second stop surface 13 'is greater than the angle between the two stop surfaces (in each case the first stop surface 13 and the second stop surface 13'), ie when the return spring 15 in the on Figure 1A drain-blocked position of the barrel 1 shown behind the second pin 14 in the drain direction (according to the second arrow direction " b ").
  • the Figure 3B shows a sagittal sectional view of the barrel 1 along the CC cutting direction, which illustrates a covered tension spring 4, and shows the various circuit diagrams for this preferred embodiment shown.
  • the ratchet wheel 2 which is rotatably connected to the spring shaft 3.
  • the cover plate 11 is arranged, in which the recess 17 is formed for fastening the return spring 15, which is realized here with the aid of the shoulder pin 16.
  • the level of the cover plate forms the first circuit diagram A, in which the return spring 15 interacts with the first pin 9, not shown in this figure.
  • the second circuit diagram B where the shift finger 8 and the rotatably mounted position ring 5 are mounted.
  • the subject matter of the present invention includes other variants for the claimed device 10, with parts other than a positioning ring 5, other types of pins and stops arranged in other circuit diagrams, and possibly are integrally formed on parts, and are not necessarily attached to it.
  • the first device 10a for releasing the elevator revolutions can function with each resilient stop, the resilient element not necessarily having to be arranged on the barrel 1; for example, a resilient instead of a rigid pin could be arranged on the position ring 5, and conversely a rigid finger could be fitted on the barrel 1 instead of the return spring 15.
  • the maximum number of running revolutions can be set as required, and the gear ratios between all gear elements can also be adjusted as desired. Otherwise, among other things, different materials - i.e. not only steel shapes and directions of expansion for the resilient stop of the first device 10a are quite possible without going outside the scope of the invention.
  • the present invention is not only limited to automatic winding movements, but is also adapted for manual winding movements.
  • the maximum permissible degree of tension of the tension spring is then, instead of being limited by the sliding bridle, determined by the fastening hook; but never affected by the claimed device.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Springs (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Braking Arrangements (AREA)

Claims (10)

  1. Barillet (1) pour mécanisme d'horlogerie, dans lequel
    ledit barillet (1) présente un dispositif (10) pour la limitation du nombre de tours complets d'arrêt du barillet (1), et
    dans lequel ledit dispositif (10) continue à autoriser de manière quelconque le nombre des tours complets de remontage du barillet (1), caractérisé en ce que ledit dispositif (10) se décompose en un premier dispositif (10a) pour le déblocage des tours complets de remontage et en un deuxième dispositif (10b) pour la limitation du nombre de tours complets d'arrêt du barillet (1), dans lequel ledit premier dispositif (10a) fonctionne dans un premier plan de commutation (A) et ledit deuxième dispositif (10b) fonctionne dans un deuxième plan de commutation (B) différent.
  2. Barillet (1) selon la revendication 1, caractérisé en ce que ledit dispositif (10) renferme une bague de réglage (5) montée de manière à pouvoir tourner sur le barillet (1).
  3. Barillet (1) selon la revendication 2, caractérisé en ce que le dispositif (10) présente en outre un mécanisme d'indexation pour la position en rotation de ladite bague de réglage (5) montée de manière à pouvoir tourner.
  4. Barillet (1) selon la revendication 3, dans lequel ledit mécanisme d'indexation est réalisé par un ressort d'enclenchement (7), qui est en prise entre les dents d'une roue dentée (6), dans lequel ladite roue dentée (6) est entraînée par un doigt de commutation (8) relié de manière solidaire en rotation par rapport à l'arbre de ressort (3), et s'engage avec la denture intérieure (5a) de la bague de réglage (5).
  5. Barillet (1) selon l'une quelconque des revendications 2 à 4, dans lequel ladite bague de réglage (5) montée de manière à pouvoir tourner est empilée de manière concentrique entre le fond (1b) du barillet (1) et une plaque de recouvrement (11).
  6. Barillet (1) selon l'une quelconque des revendications 2 à 5, caractérisé en ce que ladite bague de réglage (5) présente une denture intérieure (5a), qui est en prise avec une roue dentée (6), dans lequel ladite roue dentée (6) est entraînée par un doigt de commutation (8) relié de manière solidaire en rotation par rapport à l'arbre de ressort (3), et que ladite bague de réglage (5) présente, pour son bord extérieur, un écart entre la première surface de butée (13) et une deuxième surface de butée (13').
  7. Barillet (1) selon l'une quelconque des revendications 2 à 6, dans lequel ladite bague de réglage (5) présente en outre une première tige (9), qui coopère avec un ressort de rappel (15) dans un premier plan de commutation (A) dans la direction de remontoir (a) lors du remontage du barillet (1).
  8. Barillet (1) selon la revendication 7, dans lequel ladite première tige (9) se trouve dans le même segment angulaire que ledit écart, en d'autres termes entre ladite première surface de butée (13) et ladite deuxième surface de butée (13').
  9. Barillet (1) selon la revendication 7 ou 8, dans lequel ledit ressort de rappel (15) est en forme de U et est fixé à l'aide d'une tige d'épaulement (16) au niveau du barillet (1).
  10. Barillet (1) selon la revendication 2 à 9, dans lequel ladite première surface de butée (13) de ladite bague de réglage (5) coopère avec une deuxième tige (14) disposée sur le barillet (1) dans un deuxième plan de commutation (B) pour bloquer le mouvement de rotation du barillet (1) selon un nombre prédéfini de tours complets d'arrêt dans la direction d'arrêt (b).
EP15159696.2A 2015-03-18 2015-03-18 Barillet ayant un couple de rotation essentiellement constant Active EP3070535B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15159696.2A EP3070535B1 (fr) 2015-03-18 2015-03-18 Barillet ayant un couple de rotation essentiellement constant
US15/058,777 US9671754B2 (en) 2015-03-18 2016-03-02 Barrel with substantially constant torque
JP2016050493A JP6125686B2 (ja) 2015-03-18 2016-03-15 トルク特性が実質的に一定なバレル
CN201610154259.0A CN105988354B (zh) 2015-03-18 2016-03-17 具有基本恒定扭矩的发条盒

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15159696.2A EP3070535B1 (fr) 2015-03-18 2015-03-18 Barillet ayant un couple de rotation essentiellement constant

Publications (2)

Publication Number Publication Date
EP3070535A1 EP3070535A1 (fr) 2016-09-21
EP3070535B1 true EP3070535B1 (fr) 2020-04-29

Family

ID=52692516

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15159696.2A Active EP3070535B1 (fr) 2015-03-18 2015-03-18 Barillet ayant un couple de rotation essentiellement constant

Country Status (4)

Country Link
US (1) US9671754B2 (fr)
EP (1) EP3070535B1 (fr)
JP (1) JP6125686B2 (fr)
CN (1) CN105988354B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3070535B1 (fr) * 2015-03-18 2020-04-29 Glashütter Uhrenbetrieb GmbH Barillet ayant un couple de rotation essentiellement constant
EP3182217B1 (fr) * 2015-12-18 2018-11-14 Montres Breguet S.A. Mécanisme de réglage de rapport de couple entre des mobiles d'horlogerie
EP3333637B1 (fr) * 2016-12-12 2021-09-22 ETA SA Manufacture Horlogère Suisse Mouvement d'horlogerie mecanique a detection de reserve de marche
TW201842424A (zh) * 2017-04-18 2018-12-01 瑞士商百達翡麗日內瓦股份有限公司 用於時計之阻擋裝置
CN110237543B (zh) * 2019-06-21 2020-10-02 张卓群 一种防止上发条过紧装置
EP3805868B1 (fr) 2019-10-11 2023-12-06 Armin Strom AG Barillet avec un nombre illimité de tours de remontage, mouvement d'horlogerie ainsi qu'appareil d'horlogerie

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CH10576A (fr) * 1895-07-20 1896-01-15 Jules Golay Arrêtage perfectionné pour barillets
CH328136A (de) * 1954-09-14 1958-02-28 Felsa Ag Uhrwerk mit einer eine arretierbare Masse aufweisenden automatischen Aufzugvorrichtung
CH365670A (fr) * 1959-09-11 1962-11-15 Erard Raoul Henri Moteur de pièce d'horlogerie, comprenant un ressort spiral logé dans un barillet
CH381158A (fr) * 1959-09-11 1964-04-30 Erard Raoul Henri Moteur de pièce d'horlogerie, comprenant un ressort spiral logé dans un barillet
US3787673A (en) * 1972-04-28 1974-01-22 Texas Instruments Inc Pipelined high speed arithmetic unit
JP3496544B2 (ja) * 1998-04-17 2004-02-16 セイコーエプソン株式会社 ゼンマイ装置および時計
JP5050756B2 (ja) * 2007-09-28 2012-10-17 セイコーエプソン株式会社 ゼンマイ装置および時計
JP2010261815A (ja) * 2009-05-07 2010-11-18 Seiko Instruments Inc クロノグラフ機構及びこれを備えたクロノグラフ時計
EP2367080B1 (fr) * 2010-03-17 2019-01-16 Glashütter Uhrenbetrieb GmbH Dispositif de commande et de réglage d'un mouvement horloger
CH705079A1 (fr) * 2011-06-10 2012-12-14 Haute Ecole Arc Source d'énergie mécanique pour mouvement horloger à couple de sortie prédéfini.
EP3070535B1 (fr) * 2015-03-18 2020-04-29 Glashütter Uhrenbetrieb GmbH Barillet ayant un couple de rotation essentiellement constant

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FH/BIENNE/SUISSE: "Illustrierten Fachlexikon der Uhrmacherei", 1 January 1961 (1961-01-01), XP055525496, Retrieved from the Internet <URL:http://www.fhs.swiss/berner/?l=de> [retrieved on 20181120] *

Also Published As

Publication number Publication date
JP2016176935A (ja) 2016-10-06
CN105988354A (zh) 2016-10-05
JP6125686B2 (ja) 2017-05-10
CN105988354B (zh) 2019-02-19
EP3070535A1 (fr) 2016-09-21
US20160274540A1 (en) 2016-09-22
US9671754B2 (en) 2017-06-06

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