| 摘要 |
<p>A continuously variable positioning device includes a first body having a first engagement surface. At least part of the first engagement surface is covered with a pattern of movable actuators. A second body has a second engagement surface in contact with the first engagement surface. At least a part of the second engagement surface having an actuator engaging profile, at least some of the movable actuators being depressed and others of the movable actuators being extended to conform to the actuator engaging profile. A drive assembly is provided for creating relative movement of the first body and the second body while maintaining the first engagement surface continuously engaged with the second engagement surface, the movable actuators moving axially during relative movement of the first body and the second body.</p> |
