FIELD: theaters and entertainment holes and buildings. SUBSTANCE: corners of platform 2 are rested on cruciform frames 3, 4. Bearing piles 10 and tier-like slideways 11 are fixed on the corners. Draw-out steps 12 with rest 13 regulated along height are positioned on the slideways. Redundant slideways to rearrange steps are provided on piles. Mechanism to change platform height comprises additional turning twin unit 20 for cable traction. Worm reduction gearbox is installed directly on the platform from beneath and enables removable handle 15 to control it from platform top. EFFECT: scene platform elevation. 1 dwg
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Authors
Dates
1995-01-20—Published
1992-05-26—Filed