Timepiece retrograde tourbillon or karussel
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United States of America Patent
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Nov 8, 2022
Grant Date -
Jan 28, 2021
app pub date -
Jun 25, 2020
filing date -
Jul 24, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A horological movement including a tourbillon or karussel frame carried by an arm subjected to the torque of a first energy source, and a second energy source driving a frame pitch mobile driving the frame, and, for periodically controlling a retrograde movement of the arm, a release mobile connected to the second energy source and cooperating at a pallet-stone with an interrupted cam that a cam mobile kinematically connected to this arm includes, to allow advancing the arm in a direct direction as long as the pallet-stone is resting on the cam, and to control a rapid retrograde return of this arm during a drop of the pallet-stone between two of its successive support surfaces on the cam.
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