MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS (spring- or weight-driven mechanisms in general
F 03 G; electromechanical clocks or watches G 04 C; electromechanical clocks with attached or built-in means operating any device at preselected times or after predetermined time intervals G 04 C 23/00; clocks or watches with stop devices G 04 F 7/08)
Note
This subclass covers mechanically-driven calendar clocks or clockwork calendars, and the mechanical part of such clocks or calendars.
Driving mechanisms
1
/
00
Driving mechanisms
1
/
02
•
with driving weight
1
/
04
•
•
Mechanisms in which the clockwork acts as the driving weight
1
/
06
•
•
with several weights
1
/
08
•
•
Driving weights; Chains; Chain wheels; Arbors for chain wheels
1
/
10
•
with mainspring
1
/
12
•
•
with several mainsprings
1
/
14
•
•
Mainsprings; Bridles therefor (mainsprings with bridles G 04 B 1/18; alloys C 22 C; springs in general F 16 F)
1
/
16
•
•
Barrels; Arbors; Barrel axles (arrangements facilitating the removal of the mainspring G 04 B 33/14)
1
/
18
•
•
Constructions for connecting the ends of mainsprings with the barrel or the arbor
1
/
20
•
•
•
Protecting arrangements against rupture or overwinding of the mainspring located in the barrel or attached to the barrel (in connection with keys or the like G 04 B 3/06, G 04 B 3/10; in connection with automatic winding devices G 04 B 5/24)
1
/
22
•
•
Compensation of changes in the motive power of the mainspring (by mechanical shaping of the mainspring G 04 B 1/14)
1
/
24
•
with both mainsprings and driving weights
1
/
26
•
driven by liquids or gases; Liquid or gaseous drives for mechanically-controlled secondary clocks
Winding
3
/
00
Normal winding of clockworks by hand or mechanically; Winding-up several mainsprings or driving weights simultaneously
3
/
02
•
Removably-mounted keys or the like
3
/
04
•
Rigidly-mounted keys, knobs, or crowns (divided winding stems G 04 B 37/06)
3
/
06
•
Keys or the like with means preventing overwinding (protecting devices arranged in, or attached to, the barrel G 04 B 1/20; in connection with automatic winding devices G 04 B 5/24)
3
/
08
•
by parts of the cases
3
/
10
•
•
Protecting means preventing overwinding (arranged in, or attached to, the barrel G 04 B 1/20; in connection with keys G 04 B 3/06; in connection with automatic winding devices G 04 B 5/24)
3
/
12
•
by mechanical means, e.g. pneumatic motor (winding-up with electric or electromechanical means G 04 C)
5
/
00
Automatic winding-up
5
/
02
•
by self-winding caused by movement of the watch
5
/
04
•
•
by oscillating weights the movement of which is limited
5
/
06
•
•
•
acting in one direction only
5
/
08
•
•
•
acting in both directions
5
/
10
•
•
by oscillating weights the movement of which is not limited
5
/
12
•
•
•
acting in one direction only
5
/
14
•
•
•
acting in both directions
5
/
16
•
•
Construction of the weights
5
/
18
•
•
Supports, suspensions, or guide arrangements, for oscillating weights
5
/
19
•
•
•
Suspension of the oscillating weight at its centre of rotation [3]
5
/
20
•
by movements of other objects, e.g. by opening hand-bag, by opening case, by opening door; Winding-up by wind power
5
/
22
•
by thermometric, barometric, or like effects or alterations
5
/
24
•
Protecting means preventing overwinding (arranged in, or attached to, the barrel G 04 B 1/20
; in connection with keys or the like G 04 B 3/06; in connection with parts of the cases G 04 B 3/10)
