EXTERNAL CONTROL MECHANISM FOR A TIMEPIECE

An external watch control device (100) including a crown (1) carrying a first barrel (2) screwed onto a tube (4), coaxially guiding a second barrel (3) includes a driver (7), the first barrel (2) and the second barrel (3) including opposing unidirectional toothing (8; 9), the tube (4) containing a s...

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Bibliographische Detailangaben
Hauptverfasser:	GEISER, Samuel, HOTI, Valon, THIRY, Rémy
Format:	Patent
Sprache:	eng
Schlagworte:	HOROLOGY MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL MECHANICALLY-DRIVEN CLOCKS OR WATCHES PHYSICS TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
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Beschreibung
Zusammenfassung:	An external watch control device (100) including a crown (1) carrying a first barrel (2) screwed onto a tube (4), coaxially guiding a second barrel (3) includes a driver (7), the first barrel (2) and the second barrel (3) including opposing unidirectional toothing (8; 9), the tube (4) containing a spring (11) tending to move the first barrel (2) away from the driver (7), the unidirectional toothing (8; 9) are at maximum distance when the crown (1) is completely screwed onto the tube (4), and in meshing position when the crown (1) is completely unscrewed, the cooperation between the unidirectional toothing (8; 9) allowing the rotation of the first barrel (3) in a first single direction of rotation of the crown (1), and preventing it in the opposite direction against the spring (11) in the manner of a pawl.