| 摘要 |
<p>The tip up system is a combination of swivel, winding and swing movements applied to the quick changing of theatre props, advertising props etc. The system includes a number of geometrically rectangular, square or within defined lines parallel units as links with individual bands in at least three sectional planes made into a linked chain arrangement. The bands have a complex attachment system to the individual units making up the system permitting different individual movements or combination of such movements to be carried out.</p> |
