| 摘要 |
Apparatus for transmitting rotary motion from an input member to an output member, both of which rotate about a common axis. A roller is mounted on a guide surface concentric with the central axis and the roller is retained by a thin flexible band as it rolls along the guide surface. The roller acts as a planetary and is connected between the input and output members. Relative sizes of the roller and input and output members can be selected to provide any desired amount of rotary motion reduction or amplification, including high degrees of amplifications not readily accomplished by other means.
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