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IPC Main Group
G04B 3/00

Normal winding of clockworks by hand or mechanically; Winding-up several mainsprings or driving weights simultaneously

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
HOROLOGY
Subclass:
MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS

Related Keywords

KEY(S) for winding clocksWINDING of clockwork, mechanically

5 direct subcodes

Child Classifications

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  • G04B 3/02 Removably-mounted keys or the like
  • G04B 3/04 Rigidly-mounted keys, knobs, or crowns
  • G04B 3/06 Keys or the like with means preventing overwinding
  • G04B 3/12 by mechanical means, e.g. pneumatic motor