| 摘要 |
The present invention relates to an actuator for generating a rotational positioning movement, wherein the actuator comprises an electric motor (1) and a reduction gear (2) which consists of two assemblies (4, 5). The first assembly (4) is formed by a gear of the harmonic, cycloid or wobble, type and the second assembly (5) by a gear of the single-step or multistep planetary or Wolfrom type, whereby both assemblies (4, 5) are so tuned to each other, that the reduction gear (2) is not self-locking.
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