FIELD: physics.
SUBSTANCE: calendar mechanism comprising a program wheel device 100 for the calendar mechanism, wherein the program wheel 100 comprises: a 13-day program wheel that performs a full revolution every month, is driven by a clock mechanism, and drives the gear (16-24) to display days of the month, and a software gear of 43 months, which performs a full revolution every year; the program wheel (13) days and the software gear (43) months are installed coaxially.
EFFECT: improvement of the mechanism.
9 cl, 14 dwg
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