FR1224924A - Mechanical differential unit with automatic operation for the indication of the date in a timepiece-calendar - Google Patents

Mechanical differential unit with automatic operation for the indication of the date in a timepiece-calendar

Info

Publication number
FR1224924A
FR1224924A FR785980A FR785980A FR1224924A FR 1224924 A FR1224924 A FR 1224924A FR 785980 A FR785980 A FR 785980A FR 785980 A FR785980 A FR 785980A FR 1224924 A FR1224924 A FR 1224924A
Authority
FR
France
Prior art keywords
timepiece
calendar
date
indication
automatic operation
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
FR785980A
Other languages
French (fr)
Inventor
Fermo Solari
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.)
Solari SpA
Original Assignee
Solari SpA
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 Solari SpA filed Critical Solari SpA
Application granted granted Critical
Publication of FR1224924A publication Critical patent/FR1224924A/en
Expired 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
    • G04B19/24386—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 sheet-shaped
    • G04B19/24393—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR785980A 1958-04-09 1959-02-06 Mechanical differential unit with automatic operation for the indication of the date in a timepiece-calendar Expired FR1224924A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1224924X 1958-04-09

Publications (1)

Publication Number Publication Date
FR1224924A true FR1224924A (en) 1960-06-28

Family

ID=11433732

Family Applications (1)

Application Number Title Priority Date Filing Date
FR785980A Expired FR1224924A (en) 1958-04-09 1959-02-06 Mechanical differential unit with automatic operation for the indication of the date in a timepiece-calendar

Country Status (1)

Country Link
FR (1) FR1224924A (en)

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