| ReturnTo Theme-Group-Choice | Onelevelup |
| 3J050 | TRANSMISSIONS BY ENDLESS FLEXIBLE MEMBERS | |
| F16H9/00 -9/26 | ||
| F16H9/02-9/26 | AA | AA00 KIND OF FLEXIBLE MEMBERS |
AA01 | AA02 | AA03 | AA04 | AA06 | AA08 | AA10 | |||
| . Belts | . . V-belts (AA04 takes precedence) | . . . metallic | . . Toothed belts | . Ropes | . Chains | . Others | ||||||
| AB | AB00 COMBINATION WITH OTHER GEARINGS OR CLUTCHES |
AB01 | AB02 | AB03 | AB04 | AB05 | AB07 | AB08 | AB10 | |||
| . Gears | . . Variable gear ratio | . . . including bidirectional operation | . Fluids e.g. torque converters | . Constant-speed belts or the like | . Clutches other than BB15 and CD07 | . . Centrifugal clutches | . Others | |||||
| BA | BA00 TYPE OF SPEED CHANGE |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | BA09 | ||
| . continuous | . . using cone pulleys (BA09 takes precedence) | . . . Single flange movement | . . . Both flange movements | . . . Intermediate flange movement | . . . by tension pulleys | . . using conical drums | . . conveying belts or the like in a radial direction | . . . having conical members | ||||
| BA11 | BA12 | BA13 | BA15 | BA16 | BA18 | BA20 | ||||||
| . discontinuous | . . Selection types | . . Shift types | . of two or more rows | . Multi-step speed reduction | . with members having orbital motion | . Others | ||||||
| BB | BB00 MEANS FOR SPEED CHANGE OPERATION (BB15-BB17 TAKE PRECEDENCE) |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | BB09 | BB10 | |
| . Manual operation | . . using cams | . . Screw drives | . Motors | . . Screws driven on pulley shafts | . Axial torque or axial rotation | . . Torque cams | . . using centrifugal force (BB12 takes precedence) | . . converting axial rotation into speed-change operation | . . . using electromagnetic brakes | |||
| BB11 | BB12 | BB13 | BB15 | BB16 | BB17 | BB20 | ||||||
| . Fluid pressure | . . using hydraulic pressure | . . . Integral rotation of hydraulic chambers with pulleys | . Clutches | . . Electromagnetic clutches | . . Tension clutches | . Others | ||||||
| CA | CA00 CHARACTERISTIC FEATURES OF CENTRIFUGAL FORCE ACTUATION (BB08) |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | CA07 | CA08 | CA09 | CA10 | |
| . Kinds of weights (obligatory) | . . Rollers or balls | . . Pivoted members | . . Sliding members | . . Small spheres | . . Fluids | . Weight-supporting structures | . Return spring constructions | . Lubrication or sealing | . Others | |||
| CB | CB00 CHARACTERISTIC FEATURES OF HYDRAULIC ACTUATION (BB12, BB13) |
CB01 | CB02 | CB03 | CB04 | CB05 | CB06 | CB07 | CB08 | CB09 | CB10 | |
| . Construction of hydraulic-pressure chambers (CB03 takes precedence) | . . having double pistons | . Correction of centrifugal hydraulic pressure | . . having balancing chambers | . with self-contained control mechanisms (CB03 takes precedence) | . . Centrifugal working valves | . Oil conduits | . . arranged within pulley shafts | . Lubrication or sealing | . Others | |||
| CC | CC00 CHARACTERISTIC FEATURES OF GRIPPING OR TENSIONING BELTS |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC07 | CC08 | CC09 | CC10 | |
| . Springs (CC08 takes precedence) | . . Coil springs | . . Plate springs | . Torque cams | . . intervening rollers or balls | . Shapes or constructions of springs or cams | . Mounting or arrangement of springs or cams | . using tension pulleys | . Externally adjustable | . Others | |||
| CD | CD00 CHARACTERISTIC FEATURES OF MOUNTING OR CONSTRUCTION OF PULLEYS OR THE LIKE |
CD01 | CD02 | CD03 | CD04 | CD05 | CD06 | CD07 | CD08 | CD09 | CD10 | |
| . Mounting of pulleys on shafts | . . Fixed flanges | . . Movable flanges | . . . using balls or roller splines | . . . Lubrication or sealing | . Constructions | . . having clutch functions | . Face shapes (CE04 takes precedence) | . Materials | . Others | |||
| CE | CE00 CHARACTERISTIC FEATURES NOT COVERED BY VIEWPOINT CA-CD |
CE01 | CE02 | CE03 | CE04 | CE05 | CE06 | CE07 | CE08 | CE09 | CE10 | |
| . Constructions shapes or materials of belts or the like | . Guides of belts or the like | . Lubrication or cooling of belts or the like | . relating to belts or alignment | . Mounting arrangement or construction of pulley shafts | . Housings | . Detection or indication of transmission condition | . . relating to speed change positions | . Automatic control mechanisms | . Others | |||
| DA | DA00 USE |
DA01 | DA02 | DA03 | DA04 | DA05 | DA06 | DA07 | DA08 | DA09 | DA10 | |
| . Vehicles (DA07 takes precedence) | . . Motor vehicles | . . Motorcycles | . . Cycles | . . Implements | . . . Agricultural machinery | . Engine accessories | . Machine tools | . Electrical apparatus | . Others |