Dual display timepiece
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United States of America Patent
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Sep 30, 2014
Grant Date -
Jan 26, 2012
app pub date -
Jul 20, 2011
filing date -
Jul 21, 2010
priority date (Note) -
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Abstract
A timepiece mechanism for a secondary display of a first physical quantity, wherein a push-button activates first mechanism for the coupling/uncoupling of the secondary display to or from a movement including a first display, and a pivoting first physical quantity cannon-pinion heart, wherein the first mechanism controls the coupling/uncoupling to or from the movement. A second push-button controls the zero reset of the secondary display, by uncoupling the first coupling/uncoupling mechanism, and returning the heart-piece to the original position thereof. A second coupling/uncoupling control mechanism includes either a pivoting time zone wheel set including a friction wheel, meshing with the movement, and a time zone wheel which, when the wheel set is in the coupling position, drives a second physical quantity cannon-pinion heart and/or a third physical quantity cannon-pinion heart, the friction wheel and time zone wheel being coaxial and cooperating via friction; or an inter-time zone mechanism.
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