| The ratio of the number of teeth of the driving gear to the number of teeth of the driven gear in a gear system. |
Mechanical devices used to transfer motion and energy between shafts by means of interlocking teeth. |
| A type of gear with teeth that are not parallel to the gear's axis, but are instead at an angle. |
A type of gear with teeth that are straight and parallel to the gear's axis. |
| A gear with a screw-like thread that meshes with a toothed wheel to provide high gear reduction ratios. |
A set of two or more gears that transmit motion and torque from one shaft to another. |
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