FIELD: physics.
SUBSTANCE: object of the present invention is a device for displaying the periods, which form an annual cycle sequence for a clockwork containing an indicating element (1) for indicating the said periods. The displaying device includes, at least, a control mechanism for the display duration of the said periods comprising, at least, a drive element (2) to drive the indicating element (1) serving to drive the indicating element (1) at the time of changing the period; a cam (4) controlling the display duration of the said periods, and a driving means of the cam; the first central gear wheel (6) with two inputs and one output; the first input is formed by the supporting drive wheel (8) committing one turn in the base period, the second input is formed by the actuating element (10) interacting with the said cam (4); the output is formed by the said drive element (2) of the indicating element (1); the said cam (4) comprises a profile arranged so that the actuating element (10) interactings with the first central gear wheel (6) to move the drive element (2) of the indicating element (1) forward or backward depending on the period length relative to the base period.
EFFECT: device improvement.
11 cl, 4 dwg
