US PATENT SUBCLASS 968 / 45
.~.~ By oscillating weights the movement of which is limited (setting the time indicating means with the aid of a rocking bar subclass 248) [G04B 5/04]


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968 /   HD   HOROLOGY

40  DD  AUTOMATIC WINDING UP (normal winding up by hand or mechanically subclass 23; automatic winding in combination with hand winding subclass 68; electrical winding of mechanical clockworks subclass 443; advertising by making use of vibrations or shocks of land vehicles G09F 21/04) [G04B 5/00] {7}
44  DD  .~ By self-winding caused by the movement of the watch (bearings, suspensions for oscillating weights subclass 53; mechanisms for transformation of an oscillating movement into a rotating movement in only one direction subclass 73) [G04B 5/02] {4}
45.~.~ By oscillating weights the movement of which is limited (setting the time indicating means with the aid of a rocking bar subclass 248) [G04B 5/04] {2}
46  DD  .~.~.~> Acting in one direction only [G04B 5/06]
47  DD  .~.~.~> Acting in both directions [G04B 5/08]