Chronographic fly-back timepiece having a stop-start control for the fly-back hand
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United States of America Patent
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Jun 16, 1992
Grant Date -
N/A
app pub date -
Nov 12, 1991
filing date -
Dec 11, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fly-back chronograph provided with a stop-start control for the fly-back hand is provided. The control does not require careful and frequent adjustment and avoids premature wear of the fly-back wheel parts. The control device has fly-back pincer, a fly-back wheel disposed between the free extremities of the two branches of the said pincer, two fixed reaction members against which a connecting member between the two branches of the pincer bear and deformation means creating a force acting against the said reaction members on the said portion of the connecting member in order to deform it.
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