| 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} |
| 7 | DD | .~ With mainspring (synchronous motors with power reserve subclass 559; springs in general F16F) [G04B 1/10] {6} |
| 14 | DD | .~.~ Constructions for connecting the ends of the mainsprings with the barrel or the arbor (mainsprings and bridles therefor subclass 10; clamping the hairspring on the regulator subclass 121; clamping the hairspring on the arbor subclass 135) [G04B 1/18] {2} |
| 15 | | .~.~.~ Friction clutch between spring and spring cylinder (friction transmission between spring cylinder and gearing subclass 13; other arrangements for protection against rupture or overwinding subclass 16) [G04B 1/18B] |