EP1134629A2 - Zeitanzeigevorrichtung - Google Patents

Zeitanzeigevorrichtung Download PDF

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Publication number
EP1134629A2
EP1134629A2 EP01810032A EP01810032A EP1134629A2 EP 1134629 A2 EP1134629 A2 EP 1134629A2 EP 01810032 A EP01810032 A EP 01810032A EP 01810032 A EP01810032 A EP 01810032A EP 1134629 A2 EP1134629 A2 EP 1134629A2
Authority
EP
European Patent Office
Prior art keywords
dial
time
indicating
perimeter
drive wheel
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Withdrawn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
EP01810032A
Other languages
English (en)
French (fr)
Other versions
EP1134629A3 (de
Inventor
Fernand Moser
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1134629A2 publication Critical patent/EP1134629A2/de
Publication of EP1134629A3 publication Critical patent/EP1134629A3/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/005—Indicating the time optically by electric means by discs

Definitions

  • the present invention relates to a time indication device provided with a special display means.
  • the indication of the time is done by angularly moving a or several hands on a fixed dial.
  • Some devices have provided indication by rotation of the dial (s), this or these then being generally driven (s) centrally by the axis of rotation.
  • time indication device includes the features set out in claim 1, specific variants and embodiments being described in the dependent claims.
  • FIG. 1 there is a time indication device presenting itself in the form of a table or wall clock or pendulum 1 comprising a frame or chassis 10 on which is mounted a drive motor 11, preferably an electric motor running on batteries and preferably an electric motor whose speed of rotation is regulated by a quartz.
  • a drive disc 110 is mounted on the axis of the motor 11, being put rotating in the direction indicated by arrow A.
  • a time dial 2, of essentially circular shape, is placed on the top of the disc 110, being guided by at least two support or guide points, visible at 12 and 13. These guide points are of the sliding or pivoting type, allowing rotation of the dial 2 but preventing it from tilting to one side or each other or forward.
  • the frame 10 further carries a fixed mark, for example a fixed hand 14, allowing the time to be read.
  • the dial 2 is thus rotated in the direction of the arrow B, through the drive disc 110 on which it is supported, in this embodiment by its periphery 20.
  • the speed of rotation of the dial 2 is fixed by the speed of rotation of the motor 11 as well as by the relative diameters of the disc 110 and of the dial 2.
  • the dial 2 indicates the hours
  • the dial 2 pressing its full weight on the disc 110 is regularly rotated by the rotational movement of the disk.
  • the clock 1 of FIG. 1 also includes a device for resetting the time, shown in detail in Figure 2.
  • the dial 2 has on its periphery 20 a plurality of notches 200 while the disc 110 comprises at least one protruding lug 111 on its periphery.
  • the distance peripheral between two successive notches 200 of the dial 2 corresponds exactly at the peripheral distance between two protruding pins 111 or, as shown in Figure 2 when there is only one lug 111 at perimeter of the disc 110.
  • the disc 110 is wedged on its axis of rotation so that lug 111 is in the upper position for each round hour.
  • Dial 2 includes a notch 200 opposite of each round hour written on the dial.
  • lug 111 which attacks the notch 200 with a border, will tend to wedge in the background notch by sliding the dial on the lug, which stalls dial 2 automatically relative to disc 110.
  • the portions of the periphery 20 occupied by the notches 200 as well as lug 111, are not provided with an anti-slip coating, so as to facilitate this readjustment.
  • Clock 1 has been shown with a dial indicating the hours, but it is obviously also possible to provide a device equivalent with a dial indicating the minutes and going around in one hour or so a dial indicating the days of the week and making a tour in 7 days or a dial indicating the days of the month and making a tour in 31 days.
  • a time change for example passing from summer time to winter time or vice versa, or time zone change hourly, it is easy to slightly raise the hour indicator dial and rotate it to bring the correct time in front of the fixed mark 14.
  • the fixed mark 14 need not be disposed at the top of frame 10; in fact it can be arranged at any point around the dial. We will then arrange for the figures to be oriented in such a way that they appear vertically at the place of their reading-
  • the dial 2 Since the dial 2 is not driven by its center of rotation, and that in fact it is just placed on the top of the drive disc 110, being held by the support points 12 and 13, it is easy to exchange a dial against another in order to change the aesthetic appearance of the clock.
  • FIG 3 shows another embodiment of the means driving a time device with two rotating dials, Figures 4 and 5 showing details of execution.
  • the time system either clock 1 also includes a frame or chassis 10 on which is mounted the motor 11.
  • the axis of the motor 11 here supports a first toothed wheel 15 meshing, via a complementary wheel 16, on a first ring 30, here an inner gear crown, integral with a first dial 3 in rotation.
  • the same motor shaft supports a second gear 17 meshing, via the complementary double wheel 18, on a second crown 40, also shown as a toothing crown inner, integral with a second rotating dial 4, coaxial with the dial 3.
  • a fixed index 14 allows the time to be read.
  • the dial 3 indicates the hours while dial 4 indicates the minutes.
  • the diameters and numbers of teeth of the gear wheels 15, 16, 17 and 18 as well as crowns 30 and 40 are calculated as a function of the speed of rotation of the motor 11, in a known manner, so that the dial 3 makes one revolution every 12 hours while dial 4 performs one revolution per hour.
  • a clock 1 provided a single dial, such as for example dial 3 indicating the hours or minutes or days of the week or month, the said dial being driven by a single set of gears or an indication device more complex timetable including more than two rotating dials, those skilled in the art being able to predict the necessary sets of gears.
  • Resetting of the time, or day, of an indication device timetable with one or more dials driven by at least one gear can be done by moving the crown of the dial at least one tooth correct, relative to the gear on which it meshes.
  • a gear dial drive can also be provided by the periphery of the dial, for example by referring to FIG. 2 we could have a drive gear instead of the disc 110 and an external ring gear on the periphery 20.
  • the fixed mark 14 be placed at the top of frame 10; it could be placed anywhere the periphery of the dial (s), the time then being read at this location.
  • a time indication device comprising at least a dial gear driven can easily be manufactured to reduced dimensions, and be obtained in the form of a wristwatch.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP01810032A 2000-02-29 2001-01-12 Zeitanzeigevorrichtung Withdrawn EP1134629A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3882000 2000-02-29
CH3882000 2000-02-29

Publications (2)

Publication Number Publication Date
EP1134629A2 true EP1134629A2 (de) 2001-09-19
EP1134629A3 EP1134629A3 (de) 2005-02-09

Family

ID=4513861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01810032A Withdrawn EP1134629A3 (de) 2000-02-29 2001-01-12 Zeitanzeigevorrichtung

Country Status (1)

Country Link
EP (1) EP1134629A3 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2218690C3 (de) * 1972-04-18 1974-08-29 Otero Uhrenrohwerke Otto Epple Kg, 7535 Koenigsbach Uhr mit digitaler Zeitanzeige
NL8602561A (nl) * 1986-10-13 1988-05-02 Moons & Van Hoof V O F Electromechanisch uurwerk.
CH667965GA3 (de) * 1987-03-23 1988-11-30
AT395219B (de) * 1989-04-17 1992-10-27 Wutscher Herwig Anzeigevorrichtung fuer eine uhr
US5602803A (en) * 1995-08-11 1997-02-11 Chaut; Yaron Clocks with unique time displays

Also Published As

Publication number Publication date
EP1134629A3 (de) 2005-02-09

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