EP1832941A1 - Uhr - Google Patents

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Publication number
EP1832941A1
EP1832941A1 EP06405103A EP06405103A EP1832941A1 EP 1832941 A1 EP1832941 A1 EP 1832941A1 EP 06405103 A EP06405103 A EP 06405103A EP 06405103 A EP06405103 A EP 06405103A EP 1832941 A1 EP1832941 A1 EP 1832941A1
Authority
EP
European Patent Office
Prior art keywords
mobiles
toothing
coaxial
indicating
time
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.)
Granted
Application number
EP06405103A
Other languages
English (en)
French (fr)
Other versions
EP1832941B1 (de
Inventor
Patrick Cibien
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.)
Bulgari Horlogerie SA
Original Assignee
Daniel Roth et Gerald Genta Haute Horlogerie 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 Daniel Roth et Gerald Genta Haute Horlogerie SA filed Critical Daniel Roth et Gerald Genta Haute Horlogerie SA
Priority to EP06405103A priority Critical patent/EP1832941B1/de
Publication of EP1832941A1 publication Critical patent/EP1832941A1/de
Application granted granted Critical
Publication of EP1832941B1 publication Critical patent/EP1832941B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/005—Mechanical devices for setting the time indicating means stepwise or on determined values
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/202—Indicating by numbered bands, drums, discs, or sheets by means of turning discs
    • 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
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/223—Arrangements for indicating different local apparent times; Universal time pieces with rotary disc, rotary bezel, or rotary dial

Definitions

  • the present invention relates to a timepiece comprising an auxiliary mobile time indication bearing a gear engaged with a positioning jumper, a drive mechanism of this auxiliary mobile having a kinematic link with the main mobiles indication of the hours and minutes, for engaging a driving element with the toothing of this auxiliary mobile indicating time hourly and two correction flip-flops for moving selectively in steps of one hour, one of said mobile indicators of the time relative to the other respectively in both directions of rotation.
  • a display device comprising an auxiliary mobile indicating time which can be moved in successive jumps of one hour is described in FIG. CH 388 855 .
  • the auxiliary mobile time indication is coaxial with the main mobile and secured to it by a latching mechanism and not by a kinematic chain which allows greater freedom as to the location of the display the auxiliary mobile indicating the time.
  • the essence of the mechanism for the indication of the hours of two time zones is concentrated in the center of the movement and increases the height of this one.
  • the object of the present invention is to overcome, at least partially, the disadvantages of the state of the art.
  • the present invention relates to a timepiece according to claim 1.
  • the advantage of this invention is to allow to have a display of the auxiliary mobile indicating the time very far from the center and to release the center of the movement, to reduce the height of movement compared to solutions in which any the mechanism for displaying two time zones is concentrated, with that of the main display, at the center of the movement, leading to a superposition of mobiles on the central axis of the movement and an increase in its height. It also makes it possible to change the time by simply pushing buttons on the auxiliary mobile indicating the time, without limitation and without risk of damage, despite the kinematic connection.
  • the pinion of this roadway 1 is in kinematic connection, as usual, with the cannon wheel 2 freely rotated on the roadway 1, by a timer wheel (not shown) which provides an angular speed ratio of 1/12 between the roadway 1 and the barrel wheel 2, so that the pavement 1 rotates in one hour and the barrel wheel 2, a rotation in 12 hours.
  • the barrel wheel meshes with a gear train comprising a gear 3, a reduction gear 4 and a movable 5, integral with a drive finger 5a.
  • the ratio between the barrel wheel 2 and the driving wheel 5 is twice the inverse of the previous ratio, ie 24/1, so that the driving finger 5a executes one revolution per hour.
  • the driving finger 5a encounters a tooth of the toothing 6a of an auxiliary mobile indicating the hours 7.
  • the auxiliary hour indication wheel 7 comprises two mobiles in the form of superimposed toothed coaxial flat rings, a lower ring 6 provided with an internal toothing 6a of 24 teeth and an upper ring 8, whose upper face bears the indications of the hours from 1 to 24.
  • the outer part of the upper ring 8 has a thicker annular heel in the inner face of which a annular seat is formed to form an annular seat 8b to receive the outer edge of the lower ring 6.
  • Screws 9 constituting removable stop means, are screwed into the lower face of the annular bead of the upper ring 8.
  • the upper ring 8 also has an outer annular surface 8c which parallels the portions of the screw heads 9 which bear on the annular bearing 10a. This annular bearing surface bears on a bearing surface 10b, so that the two bearing surfaces 10a, 10b are sandwiched between the screws 9 and the annular bearing surface, while allowing rotation of the ring 8 with respect to the frame 10.
  • a tooth 8a of 24 teeth in the form of isosceles triangles is formed in the inner face of the annular heel of the upper ring 8.
  • a pawl 11 is pivotally mounted on the lower ring 6, in a space provided between the lower rings 6 and 8. This pawl 11 is engaged with the toothing 8a of the upper ring by a spring 12. With this pawl 11, the two mobiles 6 and 8 are secured to one another in rotation.
  • a second pawl 13 is engaged with the toothing 6a of the lower ring 6 by a spring 14.
  • a manual drive mechanism of the upper ring 8 of the auxiliary mobile hours indication 7 is still provided to change the time indication of the auxiliary mobile according to the time zone that is desired to display.
  • This mechanism comprises two spring latches 15, 16, pivotally mounted around two respective bearing screws, 17, 18.
  • Each of these latches 15, 16 is associated with a control lever 19, respectively 20, pivotally mounted around a screws in range 21, respectively 22.
  • These scales 19, 20 each carry a pad 19a, respectively 20a intended to cooperate with a manual control pusher (not shown) mounted in the middle of the housing of the timepiece and intended to allow to perform a manual control from the 'outside.
  • These flip-flops 19, 20 are arranged between the two rings 6, 8 of the hours indicating auxiliary mobile 7, vis-à-vis the internal toothing 8a of the upper ring 8.
  • each flip-flop 15, 16 rotate in two opposite respective directions when they are displaced by the respective control flip-flops 19, 20. Therefore, each flip-flop 15, 16 engages the toothing 8a for rotating the upper ring 8 with respect to the lower ring 6 respectively in both directions.
  • each of these latches comprises a locking member 15a, respectively 16a constituted by a bearing located at the height of the toothing 6a of the lower ring 6.
  • the displacement of the upper ring 8 which carries the time indications of a second time zone can be performed, even when the finger drive 5a of the mobile 5 of the drive gear train is engaged between two teeth 6a of the lower ring, without risk of damaging the mechanism.
  • the mechanism according to the invention requires virtually no change in the basic movement of the timepiece, except perhaps a thicker wheel.
  • this mechanism can be added, in the form of an independent module, to an existing timepiece without substantially modifying this movement, in the same manner as is done, for example, for a date mechanism.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP06405103A 2006-03-09 2006-03-09 Uhr Expired - Lifetime EP1832941B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06405103A EP1832941B1 (de) 2006-03-09 2006-03-09 Uhr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06405103A EP1832941B1 (de) 2006-03-09 2006-03-09 Uhr

Publications (2)

Publication Number Publication Date
EP1832941A1 true EP1832941A1 (de) 2007-09-12
EP1832941B1 EP1832941B1 (de) 2012-07-11

Family

ID=37560991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06405103A Expired - Lifetime EP1832941B1 (de) 2006-03-09 2006-03-09 Uhr

Country Status (1)

Country Link
EP (1) EP1832941B1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH388855A (fr) * 1960-08-10 1964-11-14 Ruch Albert Pièce d'horlogerie à heure universelle
GB2267981A (en) * 1992-06-18 1993-12-22 Tiffany & Co Timepiece with simultaneous time display for at least two time zones.
EP1058166A2 (de) * 1999-06-04 2000-12-06 Patek Philippe S.A. Weltzeituhr

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH388855A (fr) * 1960-08-10 1964-11-14 Ruch Albert Pièce d'horlogerie à heure universelle
GB2267981A (en) * 1992-06-18 1993-12-22 Tiffany & Co Timepiece with simultaneous time display for at least two time zones.
EP1058166A2 (de) * 1999-06-04 2000-12-06 Patek Philippe S.A. Weltzeituhr

Also Published As

Publication number Publication date
EP1832941B1 (de) 2012-07-11

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