Pallet-stones for a clockwork movement
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United States of America Patent
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-
Mar 4, 2008
Grant Date -
Mar 23, 2006
app pub date -
Sep 16, 2005
filing date -
Sep 17, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pallet stone cooperates with the teeth of an escapement wheel of a watch or clock movement, and includes a trailing plane and an impulse plane and at least one capillary channel acting as a tank for a lubricant, characterized in that the capillary channel connects the trailing plane to the impulse plane.
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