Push-piece winding device for watches
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United States of America Patent
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-
Feb 9, 2021
Grant Date -
Sep 20, 2018
app pub date -
Mar 14, 2018
filing date -
Mar 17, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A winding device on a structure of a movement or watch case, including a telescopic push-piece, independent of the control stem, driving a rack for winding a barrel, and including, between a pipe fixed to the case and an operating head, first elastic return device tending to move the head away from the pipe, this head being capable of occupying an angular, longitudinal locking position corresponding to a rest position, or an angular position of freedom allowing axial mobility, or a stop position wherein it has one degree of freedom, this rack, which is movable against second elastic return device, cooperates with a winding wheel set meshing with an intermediate rack actuated by a return spring of the second elastic return device.
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