| 摘要 |
The specification describes a device that admits of performing a variety of servicing, inspection and maintenance functions on the viewing surface of a simulator dome. The structural arrangement of such device includes a circular track supported by the base floor of the simulator and at least one arcuate carrier track extending from one end at the circular track, upwardly in a plane perpendicular to the circular track and at a constant distance from the viewing surface, to the opposite end at the circular track 180 degrees from the end. A servo unit, carrying a desired implement to perform some function on the viewing surface, is indexed along the arcuate carrier track after the arcuate carrier track is turned 360 degrees. Suitable wheels support each end of the arcuate carrier track on the circular track.
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