| 摘要 |
FIELD: auxiliary equipment for theaters. SUBSTANCE: apparatus has power unit, which is switched on, when replacement of decoration is necessary. Electric current flows through fittings to heat them. As a result of memory characteristics of fittings material, which initially had spiral shape, fittings tend to coil and, thus, to roll up decorations. EFFECT: increased efficiency, elimination of synchronization of drives and contact of decoration material with rubbing surfaces, simplified method and enhanced reliability in operation. |
