| 摘要 |
A work station is disclosed comprising: a canopy having a top section, a bottom section, first and second end sections, and first and second side sections to shelter workers and to contain debris, each section being suspended between a supply means and a take-up means on a plurality of support means about a structure that are mounted in a first motive means on the structure to permit the canopy to be repositioned from time to time, platform means suspended by cables on a second motive means to permit a vertical degree of freedom and on a third motive means on a transverse beam for a lateral degree offreedom, each beam being mounted on a fourth motive means on the support means to permit a longitudinal degree of freedom of movement.
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