CH496270A - Calendar mechanism for timepiece - Google Patents

Calendar mechanism for timepiece

Info

Publication number
CH496270A
CH496270A CH281067A CH281067A CH496270A CH 496270 A CH496270 A CH 496270A CH 281067 A CH281067 A CH 281067A CH 281067 A CH281067 A CH 281067A CH 496270 A CH496270 A CH 496270A
Authority
CH
Switzerland
Prior art keywords
timepiece
calendar mechanism
calendar
Prior art date
Application number
CH281067A
Other languages
French (fr)
Inventor
James Rogers Donald
Original Assignee
Hamilton Watch Co
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 Hamilton Watch Co filed Critical Hamilton Watch Co
Publication of CH496270A publication Critical patent/CH496270A/en

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00Indicating the time by visual means
    • G04B19/24Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247Clocks 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
    • G04B19/253Driving or releasing mechanisms
    • G04B19/25333Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25373Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
CH281067A 1966-03-11 1967-02-27 Calendar mechanism for timepiece CH496270A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US533512A US3367104A (en) 1966-03-11 1966-03-11 Watch calendar drive mechanism

Publications (1)

Publication Number Publication Date
CH496270A true CH496270A (en) 1970-04-15

Family

ID=24126281

Family Applications (2)

Application Number Title Priority Date Filing Date
CH281067D CH281067A4 (en) 1966-03-11 1967-02-27
CH281067A CH496270A (en) 1966-03-11 1967-02-27 Calendar mechanism for timepiece

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH281067D CH281067A4 (en) 1966-03-11 1967-02-27

Country Status (5)

Country Link
US (1) US3367104A (en)
CH (2) CH281067A4 (en)
DE (1) DE1548144B2 (en)
FR (1) FR1516270A (en)
GB (1) GB1103180A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH460645A (en) * 1966-02-25 1968-09-30 Ebauches Sa Calendar timepiece
DE1673663C3 (en) * 1966-11-30 1974-08-29 K.K. Daini Seikosha, Tokio Calendar clock
CH525506A (en) * 1970-01-12 1972-03-30 Ebauches Bettlach Sa Clockwork movement comprising an indicating device moved by an auxiliary spring
CH538136A (en) * 1971-02-05 1973-07-31 Suisse Horlogerie Date mechanism for timepiece
JPS5217746B1 (en) * 1971-07-09 1977-05-17
FR2454128A1 (en) * 1979-04-12 1980-11-07 Inst Chasovoi Promyshlennost Calender mechanism for clocks and watches - has instantaneous action, and uses seven-lobe maltese cross drive

Also Published As

Publication number Publication date
GB1103180A (en) 1968-02-14
DE1548144A1 (en) 1970-06-18
FR1516270A (en) 1968-03-08
DE1548144B2 (en) 1972-02-24
CH281067A4 (en) 1970-04-15
US3367104A (en) 1968-02-06

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Legal Events

Date Code Title Description
PL Patent ceased