| 968 / | HD | HOROLOGY |
| 2 | DD | DRIVING MECHANISMS (driving mechanisms for Turkish time subclass 167; driving mechanisms in the hands subclass 396; driving mechanisms for phonographic apparatus G11B 19/00; springs, driving weight engines F03G; driving mechanisms for cinematography G03B 1/00; driving mechanisms; driving mechanisms for time fuses for missiles F42C; driving mechanisms for toys A63H 11/23) [G04B 1/00] {4} |
| 3 | | .~ With driving weight [G04B 1/02] {3} |
| 4 | DD | .~.~> Mechanisms in which the clockwork acts as the driving weight [G04B 1/04] |
| 5 | DD | .~.~> With several weights (winding up several weights simultaneously subclass 23) [G04B 1/06] |
| 6 | DD | .~.~> Driving weights; chains; chain wheels; arbors for chain wheels (wheels and spindles in general F16F) [G04B 1/08] |