| 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 | | .~ With mainspring (synchronous motors with power reserve subclass 559; springs in general F16F) [G04B 1/10] {6} |
| 8 | DD | .~.~> Having a form other than a helix (subclasses 9 and 10 take precedence) [G04B 1/10B] |
| 9 | DD | .~.~> With several mainsprings (installations with a mainspring and an auxiliary spring subclass 19; winding up several mainsprings simultaneously subclass 28) [G04B 1/12] |
| 10 | DD | .~.~> Mainsprings; bridles therefor (mainsprings with bridles subclass 14; alloys C22C; springs in general F16F; constructions for compensation of changes in the motive power of the mainspring subclass 18; construction of the hairspring subclass 111; arrangements facilitating the removal of the mainspring subclass 291) [G04B 1/14] {1} |
| 12 | DD | .~.~> Barrels; arbors; barrel axles (arrangements facilitating the removal of the mainspring subclass 291) [G04B 1/16] {1} |
| 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} |
| 18 | DD | .~.~> Compensation of changes in the motive power of the mainspring (by mechanical shaping of the mainspring subclass 10; automatic regulation of the pendulum subclass 115; of the regulator subclass 211) [G04B 1/22] {1} |