| ReturnTo Theme-Group-Choice | Onelevelup |
| 3J051 | Friction gearing | |
| F16H13/00 -15/56 | ||
| F16H13/00-15/56 | AA | AA00 GEARING TYPES |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA08 | AA09 | ||
| . Constant speed | . Variable speed | . . Continuously variable speed | . . . Continuity that includes reciprocal rotation | . . Discontinuously variable speed | . . . Discontinuity that includes reciprocal rotation | . Serial arrangements | . Multiple-step speed reduction | |||||
| BA | BA00 TYPES OF INTERMEDIATE GEARING MEMBERS |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | BA09 | BA10 | |
| . Intermediate gearing members | . . Balls | . . Rollers (BA02 takes precedence) | . . . Multiple-stage cylindrical rollers | . . Cones for gears | . . . Dumbbell-shaped cones | . . . Dual cones | . . Disks | . . Rings | . Devices without intermediate gearing members | |||
| BB | BB00 SUPPORT FOR INTERMEDIATE GEARING MEMBERS (I.E., OTHER THAN BA10) |
BB01 | BB02 | BB04 | BB05 | BB06 | BB07 | BB08 | ||||
| . Members without orbital movement | . . Axial support in the fixing units | . Members without orbital movement | . . Integrated revolution with input and output members | . . . Axial support | . . Lack of integrated revolution with input and output members | . . . Carriers | ||||||
| BC | BC00 TYPES OF PLANETARY BEARING RINGS |
BC01 | BC02 | BC03 | BC05 | BC10 | ||||||
| . Rings with inscribed surfaces | . . Rings with multiple surface contacts (BC03 takes precedence) | . . Rotatable surfaces | . Rings with circumscribed surfaces | . Others | ||||||||
| BD | BD00 ARRANGEMENT OF THE INPUT AND OUTPUT SHAFTS |
BD01 | BD02 | BD04 | BD05 | |||||||
| . Parallel shafts | . . Concentric shafts | . Non-parallel shafts | . . Orthogonal shafts | |||||||||
| BE | BE00 SHAPES OF THE FRICTION SURFACES OF INPUT AND OUTPUT MEMBERS |
BE01 | BE02 | BE03 | BE04 | BE05 | BE06 | BE07 | BE08 | BE09 | BE10 | |
| . Friction surfaces | . . Flat surfaces | . . Cylindrical surfaces (i.e., including edges) | . . . Engagement of inner surfaces | . . Conical gear surfaces | . . . V-shaped surfaces | . . Spherical gear surfaces | . . Convex gear surfaces | . . Concave gear surfaces (e.g., toroid surfaces) | . Members without friction surfaces | |||
| CA | CA00 CHANGE-SPEED MEANS |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | CA07 | CA08 | CA09 | CA10 | |
| . Manual means | . . Screw drives | . Motors | . Electromagnetic devices (e.g., clutches) | . Fluid pressure | . Axial torque and axial rotation | . . Torque cams | . . Use of centrifugal force | . . Conversion of shaft rotation to change-speed actuation | . Others | |||
| CB | CB00 OBJECTS TO BE ACTUATED FOR CHANGING SPEED |
CB01 | CB02 | CB03 | CB04 | CB05 | CB06 | CB07 | CB08 | CB10 | ||
| . Input and output shafts | . . Parallel movement | . Input and output members (CB01 takes precedence) | . Intermediate gearing members (CB03 takes precedence) | . . Parallel movement | . . Angle changes (CB07 takes precedence) | . . Conversion of axial movement to angular movement | . Orbital bearing rings | . Others | ||||
| DA | DA00 DEVICES WITH CHARACTERISTIC CHANGE-SPEED CONTROL MECHANISMS |
DA01 | DA02 | DA03 | DA04 | DA05 | DA06 | DA07 | DA09 | DA10 | ||
| . Mechanical mechanisms | . . Link mechanisms and cam mechanisms | . Fluid mechanisms | . . Oil conduits | . . Control valves | . Electrical mechanisms | . . Electrical circuits | . Automatic control | . Others | ||||
| EA | EA00 DEVICES WITH CHARACTERISTIC PRESSURE MEANS |
EA01 | EA02 | EA03 | EA04 | EA05 | EA06 | EA07 | EA08 | EA09 | EA10 | |
| . Springs | . . Coil springs | . Elastic members (EA01 takes precedence) | . . Pressure deformation (EA07 and EA08 take precedence) | . Torque cams | . . Interposition of balls and rollers | . Centrifugal force | . Fluid pressure | . Magnetic force | . Others | |||
| EB | EB00 MEMBERS TO WHICH PRESSURE IS APPLIED (I.E., OBJECTS ASSIGNED TO EA) |
EB01 | EB02 | EB03 | EB04 | EB10 | ||||||
| . Input and output members | . . Solar members | . Intermediate gearing members | . Orbital bearing rings | . Others | ||||||||
| EC | EC00 DEVICES WITH CHARACTERISTIC STRUCTURES, SUPPORT, AND MOUNTING OF THE STRUCTURAL ELEMENTS |
EC01 | EC02 | EC03 | EC04 | EC06 | EC07 | EC08 | EC10 | |||
| . Input and output shafts | . Input and output members (EC06 takes precedence) | . Intermediate gearing members (EC06 takes precedence) | . Orbital bearing rings (EC06 takes precedence) | . Friction surfaces | . . Surface shapes | . . Materials | . Housing structures | |||||
| ED | ED00 DEVICE CHARACTERISTICS OTHER THAN DA TO EC |
ED01 | ED02 | ED03 | ED04 | ED05 | ED07 | ED08 | ||||
| . Pressurization means adjustable from the exterior | . Differential movement | . Swiveling movement | . Devices with clutch functions | . Multiple outputs | . Vibration-prevention structures | . Lubrication and cooling | ||||||
| ED11 | ED12 | ED14 | ED15 | ED16 | ED17 | ED18 | ED20 | |||||
| . Detection and indication of gearing status | . . Detection and indication relating to the change-speed position | . Combination with other gearing devices | . . Gears | . . . Formation of one part of the friction gearing device | . . Fluid bodies (e.g., torque converters) | . . Belts and chains | . Others | |||||
| FA | FA00 USES |
FA01 | FA02 | FA03 | FA04 | FA05 | FA06 | FA07 | FA08 | FA10 | ||
| . Vehicles (FA06 takes precedence) | . . Automobiles | . . Motorized two-wheeled vehicles | . . Industrial machinery | . . . Agricultural machinery | . Auxiliary device for the engine | . Machine tools | . Electric apparatuses | . Others |