Governor for a timepiece wheel set or strike wheel set
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United States of America Patent
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Nov 19, 2013
Grant Date -
Aug 16, 2012
app pub date -
Feb 9, 2012
filing date -
Feb 11, 2011
priority date (Note) -
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Abstract
A timepiece wheel governor for regulating the pivoting speed (ω) of a wheel set, about a pivot axis, including a pivoting inertia-block. It includes a spring to return this block towards this axis, and, when the wheel set pivots at a lower speed than a reference speed (ωc), this block remains confined within a first volume of revolution, and, when the wheel set pivots at a higher speed than the reference speed (ωc), this block is engaged, in one peripheral portion thereof, in a second volume contiguous with and external to the first one, this peripheral portion cooperating in this second volume with a regulator arranged to brake the wheel set and return the pivoting speed (ω) thereof to the reference speed (ωc), and to dissipate the surplus energy.
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