JPS5141071B1 - - Google Patents

Info

Publication number
JPS5141071B1
JPS5141071B1 JP47012300A JP1230072A JPS5141071B1 JP S5141071 B1 JPS5141071 B1 JP S5141071B1 JP 47012300 A JP47012300 A JP 47012300A JP 1230072 A JP1230072 A JP 1230072A JP S5141071 B1 JPS5141071 B1 JP S5141071B1
Authority
JP
Japan
Prior art keywords
date
ring
numbers
carrying
drive means
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.)
Pending
Application number
JP47012300A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS5141071B1 publication Critical patent/JPS5141071B1/ja
Pending legal-status Critical Current

Links

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
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • 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
    • 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
    • G04C17/0058—Indicating the time optically by electric means by discs with date indication

Landscapes

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

Abstract

A date indicating mechanism for watches, of the type having a rotatable ring carrying date numbers on one side, equidistantly spaced over the circumference thereof, and means for periodically moving the ring past an inspection window for the date numbers, the improvement comprising drive means for the ring carrying the date numbers, said drive means consisting of a rotatable disk carrying pins meshing with slits provided on one edge of the date number ring and with engagement means on the periphery of a substantially circular cam driven by the gear train of the watch.
JP47012300A 1971-02-05 1972-02-04 Pending JPS5141071B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH172271A CH538136A (en) 1971-02-05 1971-02-05 Date mechanism for timepiece

Publications (1)

Publication Number Publication Date
JPS5141071B1 true JPS5141071B1 (en) 1976-11-08

Family

ID=4217069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47012300A Pending JPS5141071B1 (en) 1971-02-05 1972-02-04

Country Status (5)

Country Link
US (1) US3704583A (en)
JP (1) JPS5141071B1 (en)
CH (1) CH538136A (en)
DE (1) DE2205043C3 (en)
FR (1) FR2124471B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH598637B5 (en) * 1975-05-01 1978-05-12 Ebauches Sa
CH648176GA3 (en) * 1981-11-05 1985-03-15
CH680325B5 (en) * 1991-02-25 1993-02-15 Ebauchesfabrik Eta Ag
TWM241695U (en) * 2002-09-19 2004-08-21 Feng-Lung Chang Watch photo dial plate
EP2919076A1 (en) 2014-03-10 2015-09-16 ETA SA Manufacture Horlogère Suisse Device for driving an analogue indicator, in particular a date ring
WO2015150086A2 (en) * 2014-04-03 2015-10-08 Eta Sa Manufacture Horlogère Suisse Electronic clock movement comprising an analog display of several items of information
EP2927756A1 (en) * 2014-04-03 2015-10-07 ETA SA Manufacture Horlogère Suisse Clock movement provided with a drive mechanism for an analogue indicator with periodic or intermittent movement
EP3070536B1 (en) 2015-03-19 2019-05-01 ETA SA Manufacture Horlogère Suisse Timepiece movement comprising a device for driving an analogue display
EP3193217A1 (en) * 2016-01-18 2017-07-19 ETA SA Manufacture Horlogère Suisse Timepiece movement comprising an analog display

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB172591A (en) * 1920-06-29 1921-11-29 Horlogerie Et Bijouterie De Ge Improvements in or relating to clocks, watches, and like instruments
DE1042477B (en) * 1953-10-09 1958-10-30 Chs Tissot & Fils S A Calendar clock
US3367104A (en) * 1966-03-11 1968-02-06 Hamilton Watch Co Watch calendar drive mechanism

Also Published As

Publication number Publication date
FR2124471A1 (en) 1972-09-22
US3704583A (en) 1972-12-05
CH538136A (en) 1973-07-31
DE2205043B2 (en) 1974-02-07
DE2205043C3 (en) 1974-08-29
DE2205043A1 (en) 1972-08-10
FR2124471B1 (en) 1974-08-02
CH172271A4 (en) 1973-01-31

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