G
SECTION G — PHYSICS
  
INSTRUMENTS
 G04
HOROLOGY
 G04B
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 F03G; electromechanical clocks or watches G04C; electromechanical clocks with attached or built-in means operating any device at preselected times or after predetermined time intervals G04C 23/00; clocks or watches with stop devices G04F 7/08)
 G04B

Note(s)

This sub-class includes mechanically-driven calendar clocks or clockwork calendars, and the mechanical part of such clocks or calendars.

 G04B 1/00
Driving mechanisms
 G04B 1/00
Driving mechanisms
 G04B 1/02
·  with driving weight
 G04B 1/04
·  ·  Mechanisms in which the clockwork acts as the driving weight
 G04B 1/06
·  ·  with several weights
 G04B 1/08
·  ·  Driving weights; Chains; Chain wheels; Arbors for chain wheels
 G04B 1/10
·  with mainspring
 G04B 1/12
·  ·  with several mainsprings
 G04B 1/14
·  ·  Mainsprings; Bridles therefor (mainsprings with bridles G04B 1/18; alloys C22C; springs in general F16F)
 G04B 1/16
·  ·  Barrels; Arbors; Barrel axles (arrangements facilitating the removal of the mainspring G04B 33/14)
 G04B 1/18
·  ·  Constructions for connecting the ends of mainsprings with the barrel or the arbor
 G04B 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 G04B 3/06, G04B 3/10; in connection with automatic winding devices G04B 5/24)
 G04B 1/22
·  ·  Compensation of changes in the motive power of the mainspring (by mechanical shaping of the mainspring G04B 1/14)
 G04B 1/24
·  with both mainsprings and driving weights
 G04B 1/26
·  driven by liquids or gases; Liquid or gaseous drives for mechanically-controlled secondary clocks
 G04B 3/00 - 
G04B 11/00
Winding
 G04B 3/00
Normal winding of clockworks by hand or mechanically; Winding-up several mainsprings or driving weights simultaneously
 G04B 3/02
·  Removably-mounted keys or the like
 G04B 3/04
·  Rigidly-mounted keys, knobs, or crowns (divided winding stems G04B 37/06)
 G04B 3/06
·  Keys or the like with means preventing overwinding (protecting devices arranged in, or attached to, the barrel G04B 1/20; in connection with automatic winding devices G04B 5/24)
 G04B 3/08
·  by parts of the cases
 G04B 3/10
·  ·  Protecting means preventing overwinding (arranged in, or attached to, the barrel G04B 1/20; in connection with keys G04B 3/06; in connection with (automatic winding devices G04B 5/24)
 G04B 3/12
·  by mechanical means, e.g. pneumatic motor (winding-up with electric or electromechanical means G04C)
 G04B 5/00
Automatic winding-up
 G04B 5/02
·  by self-winding caused by movement of the watch
 G04B 5/04
·  ·  by oscillating weights the movement of which is limited
 G04B 5/06
·  ·  ·  acting in one direction only
 G04B 5/08
·  ·  ·  acting in both directions
 G04B 5/10
·  ·  by oscillating weights the movement of which is not limited
 G04B 5/12
·  ·  ·  acting in one direction only
 G04B 5/14
·  ·  ·  acting in both directions
 G04B 5/16
·  ·  Construction of the weights
 G04B 5/18
·  ·  Supports, suspensions, or guide arrangements, for oscillating weights
 G04B 5/19
·  ·  ·  Suspension of the oscillating weight at its centre of rotation  [3]
 G04B 5/20
·  by movements of other objects, e.g. by opening hand-bag, by opening case, by opening door; Winding-up by wind power
 G04B 5/22
·  by thermometric, barometric, or like effects or alterations
 G04B 5/24
·  Protecting means preventing overwinding (arranged in, or attached to, the barrel G04B 1/20; in connection with keys or the like G04B 3/06; in connection with parts of the cases G04B 3/10)
 G04B 7/00
Combined normal and automatic winding-up
 G04B 9/00
Supervision of the state of winding, e.g. indicating the amount of winding
 G04B 9/02
·  Devices controlled by such state, e.g. device affording protection against overwinding (protecting means preventing overwinding arranged in or on the barrel G04B 1/20; protecting means in connection with keys or the like G04B 3/06; in connection with parts of the cases G04B 3/10; in connection with automatic winding devices G04B 5/24)
 G04B 11/00
Click devices; Stop clicks; Clutches
 G04B 11/02
·  Devices allowing the motion of a rotatable part in only one direction  [3]
 G04B 11/04
·  ·  Pawl constructions therefor, e.g. pawl secured to an oscillating member actuating a ratchet  [3]
 G04B 13/00
Gearwork
 G04B 13/02
·  Wheels; Pinions; Spindles; Pivots (bearings G04B 31/00)
 G04B 15/00
Escapements (electric or magnetic means for converting oscillatory to rotary motion in electromechanical time-pieces G04C 5/00)
 G04B 15/02
·  permanently in contact with the regulating mechanism
 G04B 15/04
·  ·  Cylinder escapements
 G04B 15/06
·  Free escapements
 G04B 15/08
·  ·  Lever escapements
 G04B 15/10
·  with constant impulses for the regulating mechanism
 G04B 15/12
·  Adjusting (tools therefor G04D 1/02); Restricting the amplitude of the lever or the like
 G04B 15/14
·  Component parts or constructional details, e.g. construction of the lever or the escape wheel
 G04B 17/00
Mechanisms for stabilising frequency
 G04B 17/02
·  Oscillators acting by gravity, e.g. pendulum swinging in a plane
 G04B 17/04
·  Oscillators acting by spring tension
 G04B 17/06
·  ·  Oscillators with hairsprings, e.g. balance
 G04B 17/08
·  ·  Oscillators with coil springs stretched and unstretched axially
 G04B 17/10
·  ·  Oscillators with torsion strips or with springs acting in the same manner as torsion strips, e.g. weight oscillating in a horizontal plane
 G04B 17/12
( transferred to G04B 18/00 )
 G04B 17/14
( transferred to G04B 18/02 )
 G04B 17/16
( transferred to G04B 18/04 )
 G04B 17/18
( transferred to G04B 18/06 )
 G04B 17/20
·  Compensation of mechanisms for stabilizing frequency
 G04B 17/22
·  ·  for the effect of variations of temperature (alloys independent of variations of temperature C22C)
 G04B 17/24
·  ·  for the effect of variations of atmospheric pressure
 G04B 17/26
·  ·  for the effect of variations of the impulses
 G04B 17/28
·  ·  for the effect of unbalance of the weights, e.g. tourbillon
 G04B 17/30
·  Rotating governors, e.g. centrifugal governors, fan governors (for striking mechanism G04B 21/06)
 G04B 17/32
·  Component parts or constructional details, e.g. collet, stud
 G04B 17/34
·  ·  for fastening the hairspring onto the balance  [3]
 G04B 18/00
Mechanism for setting frequency  [3]
 G04B 18/02
·  Regulator devices; Indexing devices  [3]
 G04B 18/04
·  Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat  [3]
 G04B 18/06
·  ·  by setting the collet or the stud of a hairspring  [3]
 G04B 18/08
·  Component parts or constructional details  [3]
 G04B 19/00 - 
G04B 27/00
Time indicating
 G04B 19/00
Indicating by visual means (by electric lamps G04C 17/02; display arrangements in general G09)
 G04B 19/02
·  Back-gearing arrangements between gear train and hands
 G04B 19/04
·  Hands; Discs with a single mark or the like
 G04B 19/06
·  Dials (for time-pieces without clockwork G04B 49/04)
 G04B 19/08
·  ·  Geometrical arrangement of the graduations
 G04B 19/10
·  ·  Ornamental shape of the graduations or the surface of the dial; Attachment of graduations to the dial
 G04B 19/12
·  ·  Selection of materials for dials or graduations
 G04B 19/14
·  ·  Fastening the dials to the clock or the watch plates
 G04B 19/16
·  ·  Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
 G04B 19/18
·  ·  Graduations on the crystal or glass, on the bezel, or on the rim
 G04B 19/20
·  Indicating by numbered bands, drums, discs, or sheets
 G04B 19/21
·  ·  Drums  [3]
 G04B 19/22
·  Arrangements for indicating different local apparent times; Universal time-pieces
 G04B 19/23
·  ·  by means of additional hands or additional pairs of hands  [3]
 G04B 19/24
·  Clocks or watches with date indicators; Clockwork calendars
 G04B 19/243
·  ·  characterised by the shape of the date indicator  [3]
 G04B 19/247
·  ·  ·  disc-shaped  [3]
 G04B 19/25
·  ·  ·  ·  Devices for setting the date indicators manually  [3]
 G04B 19/253
·  ·  ·  ·  Driving or releasing mechanisms  [3]
 G04B 19/257
·  ·  ·  drum-shaped  [3]
 G04B 19/26
·  Clocks or watches with indicators for tides, for the phases of the moon, or the like
 G04B 19/28
·  Adjustable guide marks or pointers for indicating determined points of time
 G04B 19/30
·  Illumination of dials or hands
 G04B 19/32
·  ·  by luminescent substances
 G04B 19/34
·  Position of the hands projected optically
 G04B 21/00
Indicating by acoustic means (at preselected times G04B 23/00; by electro-acoustic means G04C 21/04; sound-producing apparatus per se G10)
 G04B 21/02
·  Regular striking mechanisms giving the full hour, half hour, or quarter hour
 G04B 21/04
·  ·  Hour wheels; Racks or rakes; Snails or similar control mechanisms
 G04B 21/06
·  ·  Details of striking mechanisms, e.g. hammer, fan governor
 G04B 21/08
·  ·  Sounding bodies; Whistles; Musical apparatus (with electro-acoustic transmitters G04C 21/00)
 G04B 21/10
·  ·  Releasing or locking the regular stroke, e.g. for silence during the night
 G04B 21/12
·  ·  Reiterating watches or clocks
 G04B 21/14
·  ·  Winding-up the striking mechanism by the clockwork; Winding-up the clockwork by the striking mechanism
 G04B 23/00
Arrangements producing acoustic signals at preselected times (metronomes G04F 5/02; sound-producing apparatus per se G10)
 G04B 23/02
·  Alarm clocks (electrically-released alarm signals G04C 21/00)
 G04B 23/03
·  ·  Alarm signal stop arrangements  [3]
 G04B 23/04
·  ·  with coarse and fine setting of the preselected time
 G04B 23/06
·  ·  adjustable for several preselected times with automatic stopping of the signal
 G04B 23/08
·  ·  operating on successive days without resetting; operating only once in each 24 hours
 G04B 23/10
·  ·  with presignal; with repeated signal; with changeable intensity of sound
 G04B 23/12
·  ·  Alarm watches to be worn in pockets or on the wrist (giving signals by stimulating the skin G04B 25/04)
 G04B 25/00
Indicating the time by other means or by combined means (electric or electromechanical indicating G04C)
 G04B 25/02
·  by feeling; Clocks or watches for blind persons
 G04B 25/04
·  ·  Alarm clocks or watches with devices stimulating the skin
 G04B 25/06
·  by moving figures, e.g. cuckoo-clock, trumpet clock
 G04B 27/00
Mechanical devices for setting the time-indicating means
 G04B 27/02
·  by making use of the winding means
 G04B 27/04
·  ·  with clutch wheel
 G04B 27/06
·  ·  with rocking bar
 G04B 27/08
·  by using parts of the case
 G04B 29/00 - 
G04B 35/00
Frameworks, supports, or arrangements of the clockwork parts in relation to each other, so-called "calibers"
 G04B 29/00
Frameworks
 G04B 29/02
·  Plates; Bridges; Cocks
 G04B 29/04
·  Connecting or supporting parts
 G04B 31/00
Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor (bearings in general F16C)
 G04B 31/004
·  characterised by the material used  [3]
 G04B 31/008
·  ·  Jewel bearings (G04B 31/04 takes precedence)  [3]
 G04B 31/012
·  ·  Metallic bearings  [3]
 G04B 31/016
·  ·  Plastic bearings  [3]
 G04B 31/02
·  Shock-damping bearings
 G04B 31/04
·  ·  with jewel hole and cap jewel  [3]
 G04B 31/06
·  Manufacture or mounting processes  [3]
 G04B 31/08
·  Lubrication  [3]
 G04B 33/00
Calibers
 G04B 33/02
·  Circular calibers
 G04B 33/04
·  Non-circular calibers
 G04B 33/06
·  of extremely flat shape
 G04B 33/08
·  in which the gear train is arranged in different planes, e.g. parallel or inclined to each other (G04B 33/10 takes precedence)
 G04B 33/10
·  with seconds hand arranged in the centre of the dial
 G04B 33/12
·  for extremely-long running times
 G04B 33/14
·  Calibers of which the mainsprings or barrels are easily removable (mainsprings G04B 1/14; barrels, arbors G04B 1/16)
 G04B 33/16
·  with arrangements affording protection of the clockwork against damage as a consequence of a rupture of the mainspring
 G04B 35/00
Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears
 G04B 37/00 - 
G04B 43/00
Protection of the clockwork against damage from outside
 G04B 37/00
Cases
 G04B 37/02
·  Evacuated cases; Cases filled with gases or liquids; Cases containing substances for absorbing or binding moisture or dust
 G04B 37/04
·  Mounting the clockwork in the case; Shock-absorbing mountings
 G04B 37/05
·  ·  Fixed mountings for pocket or wrist watches  [3]
 G04B 37/06
·  Forming the passage for the winding stem through the case; Divided winding stems
 G04B 37/08
·  Hermetic sealing of openings, joints, passages, or slits
 G04B 37/10
·  ·  of winding stems
 G04B 37/11
·  ·  of the back cover of pocket or wrist watches  [3]
 G04B 37/12
·  Cases for special purposes, e.g. watch combined with ring, watch combined with button (watch guards or protectors A45C 11/10, A45C 11/12; watches combined with cosmetic powder containers A45D 33/30)
 G04B 37/14
·  Suspending devices, supports, or stands for time-pieces in so far as they form part of the case (wrist-watch straps, fastening means therefor A44C 5/00)
 G04B 37/16
·  ·  Fastening the case to the bracelet  [3]
 G04B 37/18
·  for pocket or wrist watches (G04B 37/02-G04B 37/16 takes precedence)  [3]
 G04B 37/20
·  ·  with hinged covers or backs  [3]
 G04B 37/22
·  Materials or processes of manufacturing pocket watch or wrist watch cases  [3]
 G04B 39/00
Watch crystals; Fastening or sealing crystals; Clock glasses
 G04B 39/02
·  Sealing crystals or glasses  [3]
 G04B 41/00
Locking or holding devices for pendulums, chimes, etc., for use during transport
 G04B 43/00
Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
 G04B 45/00 - 
G04B 47/00
Clocks with unusual features
 G04B 45/00
Time-pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effect (ornamental shaping of dials G04B 19/10)
 G04B 45/02
·  Time-pieces of which the clockwork is visible partly or wholly
 G04B 45/04
·  Time-pieces with invisible drive, e.g. with hands attached to rotating glass disc
 G04B 47/00
TIME-PIECES COMBINED WITH OTHER articles which do not interfere with the running or the time-keeping of the time-piece (G04B 37/12 takes precedence; combined with cameras, projectors, or photographic printing apparatus G03B 29/00)
 G04B 47/02
·  Installations within mirrors, pictures, furniture, or other household articles (combinations with vehicle mirror assemblies B60R 1/12)
 G04B 47/04
·  with attached ornaments or amusement apparatus
 G04B 47/06
·  with attached measuring instruments, e.g. pedometer, barometer, thermometer, compass
 G04B 49/00
Time-pieces using the position of the sun, moon, or stars
 G04B 49/02
·  Sundials
 G04B 49/04
·  ·  Graduation or shaping of dials