| 1/00 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) |
| 1/02 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion |
| 1/04 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion involving only two intermeshing members |
| 1/06 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion involving only two intermeshing members with parallel axes |
| 1/08 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion involving only two intermeshing members with parallel axes the members having helical, herring-bone, or like teeth |
| 1/10 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion involving only two intermeshing members with parallel axes one of the members being internally toothed |
| 1/12 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion involving only two intermeshing members with non-parallel axes |
| 1/14 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only |
| 1/16 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel |
| 1/18 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion involving only two intermeshing members with non-parallel axes the members having helical, herring-bone, or like teeth (F16H 1/14 takes precedence) |
| 1/20 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion involving more than two intermeshing members |
| 1/22 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts |
| 1/24 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion involving gears essentially having intermeshing elements other than involute or cycloidal teeth (F16H 1/16 takes precedence) |
| 1/26 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) without gears having orbital motion Special means compensating for misalignment of axes |
| 1/28 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) with gears having orbital motion |
| 1/30 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) with gears having orbital motion in which an orbital gear has an axis crossing the main axis of the gearing and has helical teeth or is a worm |
| 1/32 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear |
| 1/34 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) with gears having orbital motion involving gears essentially having intermeshing elements other than involute or cycloidal teeth (in worm gearing F16H 1/3) |
| 1/36 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) with gears having orbital motion with two central gears coupled by intermeshing orbital gears |
| 1/46 | Toothed gearings for conveying rotary motion (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 3/00) with gears having orbital motion Systems consisting of a plurality of gear trains, each with orbital gears |