EP0165455B1 - Pièce d'horlogerie à calendrier - Google Patents

Pièce d'horlogerie à calendrier Download PDF

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Publication number
EP0165455B1
EP0165455B1 EP85105842A EP85105842A EP0165455B1 EP 0165455 B1 EP0165455 B1 EP 0165455B1 EP 85105842 A EP85105842 A EP 85105842A EP 85105842 A EP85105842 A EP 85105842A EP 0165455 B1 EP0165455 B1 EP 0165455B1
Authority
EP
European Patent Office
Prior art keywords
date
hand
calendar
ring
teeth
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.)
Expired
Application number
EP85105842A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0165455A1 (fr
Inventor
Cyril Vuilleumier
Bruno Erni
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.)
Omega SA
Original Assignee
Omega 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 Omega SA filed Critical Omega SA
Publication of EP0165455A1 publication Critical patent/EP0165455A1/fr
Application granted granted Critical
Publication of EP0165455B1 publication Critical patent/EP0165455B1/fr
Expired 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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/241—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars the date is indicated by one or more hands

Definitions

  • the present invention relates to a timepiece with a calendar comprising a date ring arranged to be driven in steps and once a day by means of a mechanism controlled by the motor member carried by the timepiece.
  • Timepieces of this type are known.
  • the days of months 1 to 31 are written on the date ring appearing in turn behind a window cut out from the dial.
  • a known device will appear on reading this description.
  • the date does not appear in the form of figures appearing through a window, but is displayed by means of a hand moving on a dial on which are affixed the marks relative to the date. .
  • This hand is either coaxial with the hands indicating the hours and minutes, or offset from the center of the watch to cover a small dial graduated according to the date.
  • the main purpose of the present invention is to provide a timepiece equipped with a date calendar using a movement originally provided with date window.
  • the date mechanism according to the invention can be applied to watch movements of modern construction without requiring major modifications.
  • Figure 1 is a plan view of the timepiece according to the invention in which the dial and the dial support have been largely removed;
  • FIG. 2 is a section on an enlarged scale along the line II-II of FIG. 1.
  • FIG. 1 The movement presented in FIG. 1 has been freed from its dial background and from its dial 1 which appears only partially and on which are affixed the indexes of minutes 2 and hours 3.
  • a date ring 6 Guided in a notch 4 formed in the plate 5 is a date ring 6 which is rotatably and coaxially mounted in the center of the movement.
  • the date ring 6 is provided with an internal toothing composed of thirty-one teeth 7, ie one tooth per day of the month.
  • the ring progresses in steps, one per day at midnight. It receives its rotational movement via a gear train composed of the hour wheel 8 making a revolution in twelve hours, an intermediate date wheel 9 and a date wheel 10 making a revolution in twenty-four hours.
  • a spring hook 11 linked to the wheel 10 advances the ring 6 once a day when the hook 11 engages a tooth of the ring.
  • the hour wheel 8 is normally driven by the watch's drive unit.
  • the movement also includes a mechanism for resetting the ring 6 controlled by the rod 12 and of which only the three-tooth part 13 can be seen.
  • the jumper 14 allows the ring 6 to be properly positioned between the steps.
  • the mechanism which has just been described is conventional and well known from the state of the art.
  • the ring 6 In watches where the date appears in a window, the ring 6 still bears the date indications affixed on its periphery.
  • the width of the ring is greater than that which appears in the figure so as to provide sufficient space to carry the numbered inscriptions therein.
  • the timepiece according to the invention carries a date display hand 15 which is controlled by the date ring 6.
  • the ring 6 has an external toothing 16 and means coupling 17, 18 and 19 to couple the date hand 15 to the teeth 16.
  • these coupling means comprise a reduction wheel 17 engaged with the toothing 16, a reduction pinion 18 integral with the wheel 17 and a date wheel 19 which meshes with the pinion 18.
  • the return formed by the wheel 17 and the pinion 18 is pivotally mounted on a date bridge 20 fixed on the plate 5 by means of a screw 21 which appears in Figure 1.
  • Figure 2 also shows that the date wheel 19 is driven on an axis 22 which is pivotally mounted both in the date bridge 20 and in the dial support 23.
  • the axis 22 carries the date hand 15.
  • the 23a date marks appear on dial 1 of the watch (see Figure 1).
  • the needle 15 could be replaced by a disc (not shown) on which would be affixed a pointer marking moving in front of the index carried by the dial 1. This disc could also be contained in an opening pierced in the dial to save space in thickness.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Dental Preparations (AREA)
EP85105842A 1984-05-18 1985-05-13 Pièce d'horlogerie à calendrier Expired EP0165455B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH244784A CH655222GA3 (enrdf_load_stackoverflow) 1984-05-18 1984-05-18
CH2447/84 1984-05-18

Publications (2)

Publication Number Publication Date
EP0165455A1 EP0165455A1 (fr) 1985-12-27
EP0165455B1 true EP0165455B1 (fr) 1988-07-27

Family

ID=4234039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85105842A Expired EP0165455B1 (fr) 1984-05-18 1985-05-13 Pièce d'horlogerie à calendrier

Country Status (8)

Country Link
US (1) US4611925A (enrdf_load_stackoverflow)
EP (1) EP0165455B1 (enrdf_load_stackoverflow)
JP (1) JPS61153582A (enrdf_load_stackoverflow)
CH (1) CH655222GA3 (enrdf_load_stackoverflow)
DE (1) DE3564049D1 (enrdf_load_stackoverflow)
ES (1) ES286811Y (enrdf_load_stackoverflow)
HK (1) HK19492A (enrdf_load_stackoverflow)
SG (1) SG55191G (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0501190A1 (fr) 1991-02-25 1992-09-02 Eta SA Fabriques d'Ebauches Mécanisme de quantième pour montre-chronographe

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH673371B5 (enrdf_load_stackoverflow) * 1988-10-10 1990-09-14 Ebauchesfabrik Eta Ag
DE69315065T2 (de) * 1993-06-16 1998-05-07 Sonceboz Ebauches Fab Uhr mit mindestens einer durch die Datumsanzeige getriebenen drehbaren Anzeigevorrichtung
JP3081991B2 (ja) * 1996-10-02 2000-08-28 セイコーインスツルメンツ株式会社 自動巻腕時計
DE69721681T2 (de) * 1996-10-02 2003-11-27 Seiko Instruments Inc., Chiba Kalenderuhr

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH100231A (fr) * 1922-05-31 1923-07-16 Arnold Bouverat Jobin & Ses Fi Mouvement de montre à quantième.
US2591819A (en) * 1950-02-16 1952-04-08 Rolex Montres Calendar timepiece
US3152437A (en) * 1963-03-26 1964-10-13 Joseph A Vasselli Cycle indicator
JPS4844366U (enrdf_load_stackoverflow) * 1971-09-29 1973-06-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0501190A1 (fr) 1991-02-25 1992-09-02 Eta SA Fabriques d'Ebauches Mécanisme de quantième pour montre-chronographe

Also Published As

Publication number Publication date
ES286811Y (es) 1986-06-01
ES286811U (es) 1985-11-16
DE3564049D1 (en) 1988-09-01
HK19492A (en) 1992-03-20
EP0165455A1 (fr) 1985-12-27
SG55191G (en) 1991-08-23
JPS61153582A (ja) 1986-07-12
US4611925A (en) 1986-09-16
JPH0357434B2 (enrdf_load_stackoverflow) 1991-09-02
CH655222GA3 (enrdf_load_stackoverflow) 1986-04-15

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