| 摘要 |
The invention relates to a device for the rotatable coupling of two coaxial connection elements, comprising a rotating bearing between the connection elements for accommodating axial and radial loads and tilting moments, as well as a drive coupled to both connection elements to effect their relative rotation, the frame of the drive being secured to a first connection element, while its rotor meshes via a pinion or a worm with a casing-side toothing of the second connection element, comprising one or more housing parts enclosing the toothing of the second connection element in a dust-tight manner.
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