Horology: time measuring systems or devices – Plural time zones – With movable disk display
Patent
1999-03-26
2000-10-31
Miska, Vit
Horology: time measuring systems or devices
Plural time zones
With movable disk display
368185, G04B 1922, G04B 1800
Patent
active
061412953
ABSTRACT:
A display setting arrangement for a timepiece, having a 12-hour display, on which, driven in a rotatable manner by a basic mechanism with two revolutions every 24 hours, the hours can be displayed. There is also a second hour display, which can be driven in a rotatable manner likewise by the basic mechanism. By means of a correction device, the 12-hour display can be adjusted manually relative to the second hour display. The second hour display is a 24-hour display and can be driven in a rotatable manner, in a direct gear train, by the basic mechanism of the time piece with one revolution every twenty-four hours. Via a force-fit connection, a 12-hour gear train can be driven in a rotatable manner, for the purpose of driving the 12-hour display, by a direct-gear-train wheel which is driven with one revolution every twelve hours. In this case, a setting device which can be actuated manually, it is possible to adjust, separately from one another, either the direct gear train or, by overcoming the force fit of the force-fit connection, the 12-hour gear train relative to the direct gear train.
REFERENCES:
patent: 3675411 (1972-07-01), Sakuma
patent: 5745440 (1998-04-01), Chen
Klaus Kurt
Lange Jurgen
Farber Martin A.
IWC International Watch Co. AG
Miska Vit
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