CPC Main Group
G04B 5/00 Automatic winding up
7 direct subcodes
Child Classifications
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- G04B 5/02 by self-winding caused by the movement of the watch
- G04B 5/20 by movements of other objects, e.g. by opening a hand-bag, by opening a case, by opening a door; Winding up by wind power
- G04B 5/22 by thermometric, barometric or like effects or alterations
- G04B 5/24 Protecting means preventing overwinding (arranged in, or attached to, the barrel G04B1/20; in connection with keys or the like G04B3/06; in connection with parts of the cases G04B3/10 )