EP1336906A2 - Aufzugsvorrichtung für Uhren - Google Patents

Aufzugsvorrichtung für Uhren Download PDF

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Publication number
EP1336906A2
EP1336906A2 EP20030003663 EP03003663A EP1336906A2 EP 1336906 A2 EP1336906 A2 EP 1336906A2 EP 20030003663 EP20030003663 EP 20030003663 EP 03003663 A EP03003663 A EP 03003663A EP 1336906 A2 EP1336906 A2 EP 1336906A2
Authority
EP
European Patent Office
Prior art keywords
variations
timepiece
spiral
transform
barrel
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.)
Withdrawn
Application number
EP20030003663
Other languages
English (en)
French (fr)
Other versions
EP1336906A3 (de
Inventor
Frank Müller
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.)
Franck Mueller Watchland SA
Original Assignee
Franck Mueller Watchland 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 Franck Mueller Watchland SA filed Critical Franck Mueller Watchland SA
Publication of EP1336906A2 publication Critical patent/EP1336906A2/de
Publication of EP1336906A3 publication Critical patent/EP1336906A3/de
Withdrawn legal-status Critical Current

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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
    • G04B5/00—Automatic winding up
    • G04B5/22—Automatic winding up by thermometric, barometric or like effects or alterations

Definitions

  • the present invention has for object a piece winding device watchmaking.
  • a winding system which allows to charge the organ supplying the energy of the watch, usually the barrel spring.
  • Such a winding system is called manual winding and is present in any mechanical watch. It is made up of a ratchet, a barrel, a crown wheel, a pinion winder and a sliding pinion, a winder, winding crown and pawl. This system is known in watchmaking traditional for ages, and particularly watchmakers.
  • the sliding pinion When we are in reassembly position, the sliding pinion is plated against the winding pinion, and does not drive it that in a way. If we activate the crown of wind in this direction, we train the cog up to the barrel tree. He is united of the ratchet which is retained by a ratchet, which prevents the ratchet from going back.
  • This manual winding system is sometimes doubled an auxiliary mass winding system oscillating.
  • the oscillating mass system uses the movements of the wearer's arm to make swing an oscillating mass and thus activate the cog in a winding system. It's inertia clean of the mass which provides the necessary torque at reassembly. Thanks to a gear system and ratchets, it is possible to provide a solution so that the last wheel of the winding system always turns in the same direction whatever the direction of rotation of the oscillating weight. This is made with indirect ratchet wheels and which will not be described in detail because they are perfectly known to the man of the job.
  • the purpose of the present invention is to provide a winding device that does not only reference to oscillating parts or mobile, but which uses room expansion due to temperature variations.
  • the piece winding device timepiece is characterized by what it includes a motor made up of a body expanding and contracting under the effect of its temperature variations, means for transform body variations into displacements angular being inserted between the motor and the barrel shaft of the timepiece.
  • Means for transforming variations of the body can be arranged to transform the variations in elongation and contraction in an angular displacement of the same direction of rotation as the axis of the barrel.
  • the motor body can be arranged to create an amplification of these variations in elongation and of contraction.
  • the motor body can be an element rangy. It can also consist of at least minus a spirally wound blade.
  • the engine body can be made up of superimposed metal blades.
  • the body may include an element wound in propeller and connected to the axis of a driving worm a pinion.
  • the body can also be constituted by a column of long or spiral mercury, retained in a column or a tube closed by a piston.
  • the body can be made of a material with a large coefficient of expansion and high reactivity to temperature changes.
  • the body can be made of gold, or platinum, or in a titanium-based alloy, or be consisting of a polymer.
  • the drawing shows, for example, three modes of execution of a winding device according to the invention.
  • the device for winding a barrel of a mechanical watch shown in figure 1 includes a bar (10) having a coefficient of relatively high thermal expansion.
  • the bar (10) will be made of a material that also has a significant reactivity to any change in temperature. It could for example be carried out in gold, platinum, or a titanium alloy. She can also be made of a non-material metallic, for example a polymer.
  • the bar (10) includes a fixed end, the other end being connected via a pivot (11) to a board (12) integral with a toothed wheel (13).
  • Wheel toothed (13) is the first organ of a connection kinematics transforming length variations of the bar (10) in angular displacements intermittent, in the same direction, of a ratchet wheel (14).
  • the kinematic connection between the toothed wheel (13) and the ratchet wheel (14), is perfectly known from skilled in the art, and is used in mechanisms automatic winding comprising a mass oscillating. It will therefore be described very summarily.
  • the toothed wheel (13) attacks a gear (15) engaged with 2 ratchet wheels (16 and 17), one return (18) and a toothed crown (19) causing with the ratchet wheel (14) retained by a pawl (20) cooperating with a jumper (21).
  • the kinematic link comprising the elements (15 to 21) allows transform bar length variations (10) in angular variations of the ratchet wheel (14), it being understood that thanks to the two ratchet wheels (16 and 17), the rotation of the ring gear (19) is done in the same direction whatever the meaning of rotation of the toothed wheel (13).
  • Bar length variations (10) however, only charge the spring of the barrel (14) when the pawl (20) jumps a tooth from the toothed crown (19).
  • the board (12) has a certain number openings intended to receive the pivot (11).
  • one of the ends of the spiral includes a fixed part (24), the other end (11) supporting the board (12) on which the toothed wheel (13) is fixed.
  • plate 12 includes several openings (22) for receiving the toothed wheel (13).
  • the mechanisms represented in the modes of execution of FIGS. 1 and 2 which have just been described, have a bar (10) respectively a spiral comprising several metal blades (23) which will be made of a material with a significant reactivity to any change in temperature, as well as a coefficient of expansion as important as possible.
  • the spiral formed of blades (23) can thus be produced like the bar of the previous embodiment, in gold, platinum, in a titanium alloy, or in a material not metallic, for example a polymer.
  • the bar extension (10) of the embodiment of Figure 1 is replaced by a helical blade (25) coupled with a worm screw (26).
  • the worm (26) is mounted on a freely rotating axis (27) in stops (28 and 29).
  • the worm (26) attacks a pinion (30) on the axis of which is mounted the toothed wheel (13) representing the first part of the kinematic link shown in Figure 1.
  • the man of the profession notices that the helical blade (25) allows, if a large number of turns is planned, achieve a significant reduction effect during of its expansion due to a change in temperature.
  • the material used to make the helical blade (25) will be chosen so as to present a reactivity as well as a large coefficient of expansion at any change in temperature. By therefore be made of a material having these characteristics.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Electric Clocks (AREA)
EP03003663A 2002-02-19 2003-02-18 Aufzugsvorrichtung für Uhren Withdrawn EP1336906A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2812002 2002-02-19
CH2812002A CH695796A5 (fr) 2002-02-19 2002-02-19 Dispositif de remontage pour pièce d'horlogerie.

Publications (2)

Publication Number Publication Date
EP1336906A2 true EP1336906A2 (de) 2003-08-20
EP1336906A3 EP1336906A3 (de) 2010-05-05

Family

ID=27618075

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03003663A Withdrawn EP1336906A3 (de) 2002-02-19 2003-02-18 Aufzugsvorrichtung für Uhren

Country Status (2)

Country Link
EP (1) EP1336906A3 (de)
CH (1) CH695796A5 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3499317B1 (de) * 2017-12-13 2024-08-21 Rolex Sa Triebfeder eines kalender-uhrwerksmechanismus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1431797U (de) *
CH48488A (it) * 1909-11-21 1910-11-01 Vittore Giuliani Orologio utilizzante le variazioni di temperatura per la sua carica
CH144349A (fr) * 1928-11-28 1930-12-31 Leon Reutter Jean Dispositif de remontage automatique pour mouvements de montres ou d'horloges et moteurs à ressort ou à poids d'autres instruments ou appareils.
GB694874A (en) * 1949-05-20 1953-07-29 Friedrich Nallinger Improvements relating to vehicle clock winding means
FR1292833A (fr) * 1961-06-23 1962-05-04 Moteur thermique pour la manoeuvre de mécanisme divers, notamment pour le remontage de mouvements d'horlogerie ou similaire
WO2003010610A1 (en) * 2001-03-20 2003-02-06 Steven Phillips Temperature responsive self winding timepieces

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1431797U (de) *
CH48488A (it) * 1909-11-21 1910-11-01 Vittore Giuliani Orologio utilizzante le variazioni di temperatura per la sua carica
CH144349A (fr) * 1928-11-28 1930-12-31 Leon Reutter Jean Dispositif de remontage automatique pour mouvements de montres ou d'horloges et moteurs à ressort ou à poids d'autres instruments ou appareils.
GB694874A (en) * 1949-05-20 1953-07-29 Friedrich Nallinger Improvements relating to vehicle clock winding means
FR1292833A (fr) * 1961-06-23 1962-05-04 Moteur thermique pour la manoeuvre de mécanisme divers, notamment pour le remontage de mouvements d'horlogerie ou similaire
WO2003010610A1 (en) * 2001-03-20 2003-02-06 Steven Phillips Temperature responsive self winding timepieces

Also Published As

Publication number Publication date
CH695796A5 (fr) 2006-08-31
EP1336906A3 (de) 2010-05-05

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