EP0947894A2 - Dispositif de mise à l'heure pour montre - Google Patents

Dispositif de mise à l'heure pour montre Download PDF

Info

Publication number
EP0947894A2
EP0947894A2 EP99104049A EP99104049A EP0947894A2 EP 0947894 A2 EP0947894 A2 EP 0947894A2 EP 99104049 A EP99104049 A EP 99104049A EP 99104049 A EP99104049 A EP 99104049A EP 0947894 A2 EP0947894 A2 EP 0947894A2
Authority
EP
European Patent Office
Prior art keywords
hour
display
wheel
setting device
display setting
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
EP99104049A
Other languages
German (de)
English (en)
Other versions
EP0947894A3 (fr
EP0947894B1 (fr
Inventor
Jürgen Dr. Lange
Kurt Klaus
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.)
Richemont International SA
Original Assignee
IWC International Watch Co AG
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 IWC International Watch Co AG filed Critical IWC International Watch Co AG
Publication of EP0947894A2 publication Critical patent/EP0947894A2/fr
Publication of EP0947894A3 publication Critical patent/EP0947894A3/fr
Application granted granted Critical
Publication of EP0947894B1 publication Critical patent/EP0947894B1/fr
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
    • 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
    • G04B19/23—Arrangements for indicating different local apparent times; Universal time pieces by means of additional hands or additional pairs of 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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • G04B27/04—Mechanical devices for setting the time indicating means by making use of the winding means with clutch wheel

Definitions

  • the invention relates to display setting device for a watch, in particular a wristwatch, with a 12-hour display, on the base of a movement
  • the hours are driven at two revolutions per 24 hours can be displayed with a second hour display, which is also from the Base is rotatably driven and with a correction device through which the 12-hour display can be manually adjusted relative to the second hour display is.
  • the object of the invention is a display actuator of the aforementioned Kind of creating that allows either the 12 hour display separately or the 12-hour display together with the second hour display to adjust.
  • the second hour display is a 24 hour display and in a direct gear train from the clockwork can be driven at one turn per 24 hours is and that of one driven at one revolution per 12 hours
  • Direct gear train wheel via a non-positive connection a 12-hour gear train rotatable for driving the 12-hour display is, separately from each other by means of a manually operable adjusting device either the direct gear train or overcoming the Non-positive connection of the 12-hour gear train is adjustable relative to the direct gear train.
  • Such a display setting device is particularly advantageous in pilot watches, since the so-called UTC Universal Time Coordinated in the aviation sector worldwide the unit time is measured in 24 hours.
  • the 24 hour display can therefore remain fixed while the 12-hour display shows the quick setting of the applicable local time or the changeover of winter and summer time is used without the minute display and possibly a Seconds display. But must e.g. after a standstill of the Clock setting the time again, so this happens together for both hour displays by adjusting the 24-hour display.
  • the manually operated 12-hour display can be quickly adjusted Actuating device have a manually rotatable correction drive, through the one driven with two revolutions per 24 hours Hour indicator wheel of the 12-hour gear train is adjustable.
  • An advantageous embodiment of the positive connection is that the hour indicator wheel concentrically one at one revolution every 12 hours encloses the driven star of the direct gear train and with this is non-positively connected.
  • the star is an hour star with twelve teeth, because then there is always an exact adjustment by exactly one hour.
  • a change wheel can be rotatably driven by a minute wheel of the base mechanism, which is rotatably connected concentrically with a pinion, through which a Star driving hour wheel of direct drive train with one turn can be rotated every 12 hours, this is done in the basic setting the 24-hour display not only the hour setting but also the Minutes. To do this, you can easily change the change gear manually rotatably drivable pointer setting wheel of the manually operable setting device be rotatably drivable.
  • the dial can be set between an engagement position in the change gear and an engagement position in the correction drive can be adjustable.
  • the pointer wheel can be rotated by a crown for easy operation be drivable.
  • the crown is axially adjustable in two positions, the first Position the pointer wheel in the correction drive and in the second position engages in the change wheel, so the crown serves as a common actuator for both hour displays, preferably with the crown still in one third axial position is adjustable, in which the pointer wheel both out of engagement from the correction drive as well as the front change wheel is to prevent unwanted adjustment to avoid.
  • the crown can perform a third actuating function in that the third axial Position of the crown is an elevator position for winding the spring mechanism the clock is. This makes only one for three different functions Control element needed.
  • a 24-hour hand can be a direct transmission 24-hour scale can be driven over.
  • the direct drive train has one hour wheel or one or more Intermediate wheels with one revolution per 24 hours driven 24-hour indicator wheel on that a 24 hour disc of the 24 hour display carries, the 24-hour display designed as an hourly disc can largely can be placed anywhere on the clock face.
  • a particularly small size of the clock can be achieved in that the 24-hour disc is arranged coaxially to the 12-hour display.
  • the 24-hour disc and the 24-hour display wheel preferably point to this a concentric opening through which an hour hand supporting hour tube of the 12-hour display protrudes.
  • the date display can be on a toothed ring arranged date ring bearing the digits of the date display, wherein the toothed ring by the third gear train by one step indexable and after thirty-one increments by 360 ° is rotated.
  • the toothed ring can be driven by a date wheel that can be rotated coaxially is connected to a Maltese cross, the Maltese cross through a shift finger of a rotatably drivable date shift wheel is.
  • the date switching wheel is preferably of one revolution per 24 hours the drive of a date reduction wheel rotatably driven, which engages with the hour indicator wheel, the Maltese cross with a fifth turn can be incrementable per advance.
  • the toothed ring is preferred an internal gear ring, which is coaxial with the 12-hour display and / or the 24-hour display can be.
  • the clock shown in FIG. 1 has a ring-shaped 12-hour scale on a dial 5 1 of a 12-hour display, which is indicated by a 12-hour hand 2, a minute hand 3 and a second hand 4 is swept.
  • a second window 9 is left in the dial 5, through which a rotatably drivable arranged behind the dial 5 Date ring 33 can be seen.
  • FIG. 2 shows a view of the clock display device.
  • the clock is driven by a minute wheel (not shown) of a basic mechanism from which a change wheel 10 is rotatably drivable.
  • the change wheel 10 is concentrically fixed to a pinion 11, which is a concentric to the axis of rotation of the 12-hour hand 2 arranged hour wheel 12 rotates at one revolution per twelve hours.
  • This second 24-hour idler gear 16 in turn drives a 24-hour indicator wheel 17 at one turn every twenty-four hours on, on the stuck the 24-hour disc 7 is arranged.
  • the 24-hour disc 7 is uniform on a circle distributed with the numbers 1 to 24, which then through the window 6 of the Dial 5 can be seen as a 24-hour display.
  • the hour wheel 12 carries an hour star firmly connected to it 18 with twelve teeth.
  • the hour star 18 is concentrically enclosed and can be freely rotated by itself stored hour indicator wheel 19, on which an hour break 20 by one to the axis of rotation of the hour star 18 parallel pivot axis 21 pivotable is.
  • the hour catch 20 has one Rastplan 22 obtuse angle on the one of the bias Hour catch 20 attacking tension spring 23 in a tooth space of the hour star 18 is pulled and thus a non-positive connection of the hourly system 18 with the hour indicator wheel 19.
  • a third gear train emanates from the hour indicator wheel 19 the hour indicator wheel 19 has engaging date reduction wheel 25, the drive 26 arranged thereon a date switching wheel 27 with one revolution drives every twenty-four hours.
  • a radially directed shift finger 28 is firmly connected to the date shift wheel 27, through which, as shown in FIG. 9, a Maltese cross 29 with five indexing grooves 30 can be advanced.
  • a date wheel 31 with ten teeth is fixed with the Maltese cross 29 connected, the teeth of a concentric to the hour tube 24 rotatable arranged, designed as an internal toothed ring 32 engages the has sixty-two teeth and carries a date ring 33.
  • the numbers are evenly distributed on the date ring 33 1 to 31 arranged, which can be seen through the window 9 in the dial 5.
  • the Maltese cross 29 one increment all Twenty-four hours of rotation also occurs every twenty-four hours the date wheel 31 and the toothed ring 32 by two teeth, so that all Twenty-four hours to advance the date number seen in window 9 he follows.
  • FIGS. 4a, 4b and 4c one can be set in three axial positions Crown 34 shown through which a pointer wheel 35 is rotatably driven.
  • FIG. 4a which is an elevator position, engages the pointer adjusting wheel 35 in a drive, not shown, of a spring mechanism the watch, so that the spring mechanism of the watch is wound by means of the crown 34 can be.
  • the pointer setting wheel engages in the middle setting position shown in FIG. 4b 35 in a correction drive 36, which in turn with the hour indicator wheel 19 is engaged.
  • the hour indicator wheel is thus 19 rotatably drivable.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Electrophonic Musical Instruments (AREA)
EP99104049A 1998-04-05 1999-03-16 Dispositif de mise à l'heure pour montre Expired - Lifetime EP0947894B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19815072A DE19815072A1 (de) 1998-04-05 1998-04-05 Anzeigestellvorrichtung für eine Uhr
DE19815072 1998-04-05

Publications (3)

Publication Number Publication Date
EP0947894A2 true EP0947894A2 (fr) 1999-10-06
EP0947894A3 EP0947894A3 (fr) 2001-01-31
EP0947894B1 EP0947894B1 (fr) 2006-05-31

Family

ID=7863555

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99104049A Expired - Lifetime EP0947894B1 (fr) 1998-04-05 1999-03-16 Dispositif de mise à l'heure pour montre

Country Status (5)

Country Link
US (1) US6141295A (fr)
EP (1) EP0947894B1 (fr)
JP (1) JPH11326553A (fr)
AT (1) ATE328305T1 (fr)
DE (2) DE19815072A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1701226A1 (fr) * 2005-03-11 2006-09-13 The British Masters SA Mouvement pour pièce d'horlogerie
DE102007011851B3 (de) * 2007-03-03 2008-03-27 Jochen Reuter Uhr mit analoger Anzeige
EP2133758A1 (fr) * 2008-06-12 2009-12-16 Blancpain S.A. Pièce d'horlogerie comportant un mécanisme de sonnerie
JP1549152S (fr) * 2014-10-20 2016-05-16
USD924713S1 (en) * 2018-12-05 2021-07-13 Richemont International Sa Watch dial
USD945280S1 (en) * 2019-06-14 2022-03-08 ERNST LEITZ WERKSTAETTEN GmbH Watch
USD997009S1 (en) * 2021-02-16 2023-08-29 Richemont International Sa Watch dial

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH360669A4 (fr) * 1969-03-11 1970-10-30
JPS4924696B1 (fr) * 1970-02-27 1974-06-25
CH674116GA3 (en) * 1988-04-07 1990-05-15 Watch with 12-hour and 24-hour displays - has hand-setting knob with two positions for adjustment of one or both of hour hands
US5745440A (en) * 1996-07-17 1998-04-28 Chen; Eddie Zon Tsu Time equipment with time zone mechanism

Also Published As

Publication number Publication date
JPH11326553A (ja) 1999-11-26
DE59913480D1 (de) 2006-07-06
EP0947894A3 (fr) 2001-01-31
US6141295A (en) 2000-10-31
EP0947894B1 (fr) 2006-05-31
ATE328305T1 (de) 2006-06-15
DE19815072A1 (de) 1999-10-07

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