| Class 476 | FRICTION GEAR TRANSMISSION SYSTEMS OR COMPONENTS |
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![[List of Pre Grant Publications for class 476 subclass 1]](../as.gif) | ![[List of Patents for class 476 subclass 1]](../ps.gif) | 1 | CONDITION RESPONSIVE RATIO CHANGE |
| | 6 | RATIO CHANGE BY EXPANSION OR COMPRESSION OF FLEXIBLE FRICTION SURFACE |
| | 7 | WITH FRICTION ENHANCING FLUID |
| | 8 | WITH LUBRICATION |
| | 9 | FLUID CONTROL |
| | 11 | ELECTRIC OR MAGNETIC CONTROL |
| | 12 | WITH INDICATOR OR ALARM |
| | 13 | CYCLICAL OUTPUT |
| | 14 | WITH TRANSMISSION COOLING OR HEATING MEANS |
| | 15 | FORWARD AND REVERSE |
| | 16 |  Flexible belt in drive train |
| | 18 | Variable speed in forward or reverse |
| | 19 |  With toothed gears in drive train |
| | 20 | Stepped ratio change |
| | 21 | Intermediate idler between input and output gears |
| | 24 | Driving and driven gears on perpendicular axes |
| | 25 | Drive in forward direction by direct clutch |
| | 26 | Driving and driven gears on angularly related axes |
| | 27 | PLURAL GEARING IN SERIES |
| | 28 | Flexible belt in drive train |
| | 31 | Plural friction gearing in series |
| | 33 | Friction gearing is ratio change gearing |
| | 34 | One gear is toothed bevel gear |
| | 35 | One gear is worm gear |
| | 36 | FRICTION GEAR IS BALL |
| | 39 | FRICTION GEAR INCLUDES IDLER ENGAGING FACING CONCAVE SURFACES |
| | 47 | STEPLESS RATIO CHANGE |
| | 48 | With condition responsive means to vary contact pressure |
| | 49 | Plural interdigitated disks on parallel axes |
| | 50 | Intermediate idler between driving and driven gears |
| | 55 | Driving and driven gears on nonlinear angularly related axes |
| | 59 | STEPPED RATIO CHANGE |
| | 61 | CONDITION RESPONSIVE MEANS TO VARY CONTACT PRESSURE |
| | 64 | FRICTION GEAR ON SHAFT OF MOVABLY MOUNTED MOTOR |
| | 65 | SPRING URGES CONTACTING GEARS INTO ENGAGEMENT |
| | 67 | FRICTION TRANSMISSION OR ELEMENT |
| | 68 | Friction gears on nonlinear angularly related axes |
| | 70 | Roller bearing between gear and support |
| | 71 | Flexible drive shaft |
| | 72 | Particular friction surface |
| CROSS-REFERENCE ART COLLECTIONS | ||
| | 900 | OVERLOAD RELEASE |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |