EP1980922B1 - Uhr, die einen diskreten Schlagwerkmechanismus umfasst - Google Patents

Uhr, die einen diskreten Schlagwerkmechanismus umfasst Download PDF

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Publication number
EP1980922B1
EP1980922B1 EP20070106079 EP07106079A EP1980922B1 EP 1980922 B1 EP1980922 B1 EP 1980922B1 EP 20070106079 EP20070106079 EP 20070106079 EP 07106079 A EP07106079 A EP 07106079A EP 1980922 B1 EP1980922 B1 EP 1980922B1
Authority
EP
European Patent Office
Prior art keywords
ring
organ
timepiece according
case
moving element
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
EP20070106079
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English (en)
French (fr)
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EP1980922A1 (de
Inventor
Yves Corthesy
Jean-Pierre Charpier
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.)
LVMH Swiss Manufactures SA
Original Assignee
LVMH Swiss Manufactures 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 LVMH Swiss Manufactures SA filed Critical LVMH Swiss Manufactures SA
Priority to EP20070106079 priority Critical patent/EP1980922B1/de
Priority to PCT/EP2008/053959 priority patent/WO2008125501A1/fr
Publication of EP1980922A1 publication Critical patent/EP1980922A1/de
Application granted granted Critical
Publication of EP1980922B1 publication Critical patent/EP1980922B1/de
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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
    • G04B25/00—Indicating the time by other means or by combined means
    • G04B25/02—Indicating the time by other means or by combined means by feeling; Clocks or watches for blind persons
    • G04B25/04—Alarm clocks or watches with devices stimulating the skin

Definitions

  • the present invention relates to the field of mechanical watchmaking. It relates, more particularly, to a timepiece comprising a discrete striking mechanism intended to take place in a watch case, the mechanism comprising a source of energy and an actuating member intended to be driven by the source of energy.
  • the timepiece is equipped with a vibrator to obtain a discreet ring.
  • the striking mechanism rotates a reciprocating cam, cooperating with a back-and-forth movement, which actuates a hammer striking a pin. arranged in the bottom of the box.
  • this embodiment can not be applied to all timepieces. Especially, if the piece is heavy, the power developed by the vibrator mechanism is not sufficient to put the piece in vibration and allow the wearer to feel that his watch vibrates. In addition, it has been found that the skin of the wearer is generally quite insensitive to the wrist, which also makes it difficult to perceive the vibration produced by the mechanism presented above.
  • FR 060602 describes a timepiece according to the preamble of claim 1.
  • the object of the present invention is to propose another discrete striking mechanism, free from the above disadvantages.
  • the invention relates to a timepiece as defined in claim 1.
  • a bottom 10 of a watch case having a housing on its outer face.
  • the box is round and the housing takes the form of a groove 12 bordering the bottom of the box.
  • the groove 12 may be asymmetrical and present in a continuous manner, as shown particularly by figures 1 and 2 , an increasing depth on a half-perimeter and decreasing on the other half-perimeter, so that it has a minimum depth at a point A and a maximum depth at a point B, diametrically opposite the point A.
  • the connecting member may advantageously take the form of a rod 16, one end 16a is housed in the opening 14. This end comprises an annular recess 16b on its outer periphery, in which takes place an elastic ring 18 which is strongly compressed by the walls of the opening 14. This ring 18 serves as a seal but also a pivot point for the rod, in a direction parallel to the bottom of the box, as will be understood below.
  • the rod 16 can receive at this end 16a and in its longitudinal axis, a screw 20 or other fastening means.
  • the latter On the side of the point B, that is to say in the region where the groove is the deepest, the latter has, in its bottom, a tapping 22 intended to receive a second screw 24.
  • This is advantageously of type in range, and defines a portion of the screw remaining essentially outside the tapping, but inside the groove.
  • a movable ring 26 with suitable dimensions is disposed in the groove 12.
  • the ring is pierced with a first hole to allow the passage of the screw 20. It is thus secured to the rod 16 in its pivoting movements.
  • the ring In an area substantially diametrically opposed to the first hole, the ring has a flange 30 on its face interior, that is to say on its side oriented towards the bottom of the groove 12. This flange 30 is intended to cooperate with the head of the screw 24 which thus forms a stop.
  • the first extreme position of the ring 26 is illustrated on the figure 1 . It can be seen that this is arranged in the groove 12 at the region of the point A. On the other hand, the ring 26 protrudes outside the groove 12 at the region of the point B, the ring being in position. abutment by the flange 30 on the head of the screw 24. When the watch is worn, the ring comes into contact with the wearer's skin, which then forms a stop for the ring 26 which does not go to its extreme position presented on the face.
  • the second extreme position of the ring 26 is illustrated on the figure 2 . It can be seen that it is entirely housed in the groove 12. The wrist skin of the wearer of the watch is not in contact with it.
  • the ring can move between a position in which it is in contact with the wearer's skin and a position in which it is not in contact with the wearer's skin.
  • This alternation allows the wearer to detect the movement of the ring, whereas it would not be the same if the ring was in permanent contact with his skin and exerted, through his movements, pressure variations. It has indeed been noted that at the wrist, the skin was relatively insensitive and did not perceive distinctly small variations in pressure, because It is obvious that the power available in the watch to exert such pressures does not make it possible to apply a large force.
  • the rod 16 cooperates at its second end 16c with the first portion 32a of a rocker 32.
  • This rocker also comprises a second portion 32b held in abutment, by a first spring not shown, against a cam of va-and 34 comes in the form of a wolf wheel.
  • the rocker 32 serves as a back and forth and forms, with the cam 34 and the rod 16, an actuating member of the ring 26. It will be noted that the presence of a back and forth return n
  • the cam 34 is kinematically connected to the alarm clock train and is rotated when the alarm clock is operating. Reference can be made to the aforementioned patent application for details of an embodiment in which a similar reciprocating cam is rotated by the alarm clock train.
  • a second spring member 36 weaker than the first, exerts a force on the ring 26 tending to rotate it around the elastic ring 18 and to bring the movable element to its first position. By this movement, the rod 16 is closer to the rocker, but the latter does not hinder his movement.
  • the rod 16 is positioned at about 88 ° relative to the plane of the box.
  • This second spring member 36 is advantageously constituted by a double leaf spring disposed in the bottom of the groove in the region of point A. This spring 36 is simply placed in the bottom of the groove and extends over an angle of minus 20 °, preferably about 45 °, to exert a force whose moment allows the pivoting of the ring 26.
  • a screw 38 visible on the figure 3 may be provided so as to prevent a possible tearing of the ring which holds only by the elastic ring 18 which is strongly constrained.
  • the screw 38 is simply attached to the box, leaving the ring free to operate, but serves as a safety stop if necessary.
  • the reciprocating cam 34 When the wakeup mechanism operates, the reciprocating cam 34 is rotated. It then raises the rocker 32 which pushes the rod 16 at about 90 ° to the plane of the box. This has the effect of constraining the spring 36 and bringing the ring 26 to its second position. With the rotation of the cam 34, the ring alternates between a position in which it is in contact with the wearer's skin and a position in which it is not, this alternation being felt by the wearer despite a maximum amplitude of only 2 °, especially when the ring hits his skin, which warns him that the time programmed for triggering the alarm clock is reached.
  • energy is provided by the movement to bring the ring 26 from its first to its second position, while it is the spring that brings the ring of its second to its first position.
  • the second position is not precisely defined, since, worn, it depends on the distance between the bottom of the box and the skin and therefore, the shape of the wrist of the wearer, there is There is no risk of blocking the movement, which could damage it.
  • the device presented above is completely silent when the watch is worn and operates as an alarm that could be described as sensitive.
  • the ring abuts on the head of the screw when it reaches its first position, which creates a slight slam, which can be heard, especially if the watch is placed on a resonant support. If the watch is placed by its bottom, on a rigid support, the ring will strike slightly the support, which can allow to hear the ringing.
  • the skilled person can adjust the stiffness of the spring member 36 to adjust the force with which the ring will tend to its first position and come into contact with the skin of the wearer.
  • the embodiment described above advantageously allows the use of the device in a watch whose bottom is provided with an ice and / or whose movement is self-winding.
  • the connecting member is arranged so as not to interfere with the passage of an oscillating mass and the position of the movable member allows the use of a transparent bottom.
  • the movable member can take different forms and be arranged in a housing capable of receiving it.
  • the movable element can pivot on a hinge, its passage to its first position being driven either directly at the hinge, in which case, the sealing is done at this level, either by a vertically translatable object, that is to say to say in the thickness of the box, to come out and push the movable element. In the latter case, it is sufficient to ensure sealing at the level of the object likely to project.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)

Claims (7)

  1. Uhr, die einen Mechanismus eines dezenten Läutwerks aufweist, der dazu bestimmt ist, in dem Gehäuse der Uhr platziert zu sein, wobei der Mechanismus umfasst:
    - eine Energiequelle,
    - ein Betätigungsorgan (16, 32, 34), das dazu bestimmt ist, von der Energiequelle angetrieben zu sein,
    - ein Federorgan (36),
    wobei der Läutwerkmechanismus ferner ein bewegbares Element (26) umfasst, das in der Wand des Gehäuses angeordnet ist und mit einem Betätigungsorgan zusammenarbeitet, wobei das bewegbare Element (26) imstande ist, sich zwischen einer ersten Stellung, in der es mindestens teilweise auf einer höheren Ebene im Verhältnis zum Gehäuse ist und einer zweiten Stellung, in der es etwa vollständig auf einer Ebene ist, die im Verhältnis zum Gehäuse gleich oder niedriger ist, zu bewegen,
    dadurch gekennzeichnet, dass das Betätigungsorgan (16, 32, 34) derart ausgebildet ist, dass die Energie, die notwendig ist, um das bewegbare Element (26) von seiner ersten in seine zweite Stellung zu bewegen, von der Bewegung bereitgestellt wird, und derart, dass die Energie, die notwendig ist, um das bewegbare Element (26) von seiner zweiten in seine erste Stellung zu bewegen, von dem Federorgan (36) bereitgestellt wird.
  2. Uhr nach Anspruch 1, dadurch gekennzeichnet, dass das Betätigungsorgan eine Hinundher-Kurvenscheibe (34) und ein Verbindungsorgan (16) aufweist.
  3. Uhr nach Anspruch 2, dadurch gekennzeichnet, dass das Betätigungsorgan ferner ein Hinundher-Vorgelege (32) aufweist, das einerseits mit der Hinundher-Kurvenscheibe und andererseits mit dem Verbindungsorgan zusammenarbeitet.
  4. Uhr nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das bewegbare Element (26) ein Ring ist, der sich in einer Achse etwa parallel zum Boden des Gehäuses dreht.
  5. Uhr nach Anspruch 4, dadurch gekennzeichnet, dass die Achse, in der sich der Ring dreht, das Verbindungsorgan (16) schneidet.
  6. Uhr nach Anspruch 5, dadurch gekennzeichnet, dass das Verbindungsorgan derart ausgebildet ist, dass ein elastischer Ring (18) aufgenommen wird, wobei der elastische Ring die Dichtigkeit des Systems und das Drehen des Rings (26) gewährleistet.
  7. Uhr nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass ein Anschlagelement derart ausgebildet ist, dass das maximale Niveau der ersten Stellung festgelegt wird.
EP20070106079 2007-04-12 2007-04-12 Uhr, die einen diskreten Schlagwerkmechanismus umfasst Active EP1980922B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20070106079 EP1980922B1 (de) 2007-04-12 2007-04-12 Uhr, die einen diskreten Schlagwerkmechanismus umfasst
PCT/EP2008/053959 WO2008125501A1 (fr) 2007-04-12 2008-04-02 Piece d'horlogerie comportant un mecanisme de sonnerie discrete

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20070106079 EP1980922B1 (de) 2007-04-12 2007-04-12 Uhr, die einen diskreten Schlagwerkmechanismus umfasst

Publications (2)

Publication Number Publication Date
EP1980922A1 EP1980922A1 (de) 2008-10-15
EP1980922B1 true EP1980922B1 (de) 2013-03-06

Family

ID=38969417

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070106079 Active EP1980922B1 (de) 2007-04-12 2007-04-12 Uhr, die einen diskreten Schlagwerkmechanismus umfasst

Country Status (2)

Country Link
EP (1) EP1980922B1 (de)
WO (1) WO2008125501A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2175329B1 (de) 2008-12-01 2011-02-16 The Swatch Group Research and Development Ltd. Uhrwerk, das mit einem Vibrationswecker ausgestattet ist
EP2339413B1 (de) 2009-12-22 2012-09-12 The Swatch Group Research and Development Ltd. Uhrwerk, das mit einem Vibrationswecker ausgestattet ist

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR726827A (fr) * 1930-10-08 1932-06-03 Réveil silencieux, actionnant directement sur le corps humain, adaptable sur toute montre
US1927765A (en) * 1932-06-02 1933-09-19 Wiseley Don Carlos Alarm wrist watch
FR1060602A (fr) * 1952-07-25 1954-04-05 Dispositif avertisseur silencieux pour montres de poignet

Also Published As

Publication number Publication date
WO2008125501A1 (fr) 2008-10-23
EP1980922A1 (de) 2008-10-15

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