MECCANISMO D'AVANZAMENTO MANUALE DELLA DATA PER UN OROLOGIO

A lever actuated by a manual pushbutton for advancing the date ring of a calendar watch so as to correct for months having less than 31 days. A special date change lever incorporates a tab actuated by the pushbutton, a first integral spring portion for biasing the lever to a normal rest position, a...

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Bibliographische Detailangaben

Hauptverfasser:	FRANK MASCIA, PAUL WUTHRICH
Format:	Patent
Sprache:	ita
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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