CH18777A - Date mechanism - Google Patents

Date mechanism

Info

Publication number
CH18777A
CH18777A CH18777A CH18777DA CH18777A CH 18777 A CH18777 A CH 18777A CH 18777 A CH18777 A CH 18777A CH 18777D A CH18777D A CH 18777DA CH 18777 A CH18777 A CH 18777A
Authority
CH
Switzerland
Prior art keywords
date mechanism
date
Prior art date
Application number
CH18777A
Other languages
French (fr)
Inventor
Paul Robert
Original Assignee
Paul Robert
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 Paul Robert filed Critical Paul Robert
Publication of CH18777A publication Critical patent/CH18777A/en

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
    • G04B19/25373—Driving 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
    • G04B19/25386—Driving 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 manually corrected at the end of months having less than 31 days

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH18777A 1899-02-11 1899-02-11 Date mechanism CH18777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH18777T 1899-02-11

Publications (1)

Publication Number Publication Date
CH18777A true CH18777A (en) 1900-03-15

Family

ID=4220673

Family Applications (1)

Application Number Title Priority Date Filing Date
CH18777A CH18777A (en) 1899-02-11 1899-02-11 Date mechanism

Country Status (1)

Country Link
CH (1) CH18777A (en)

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