| 摘要 |
<p>The platform includes: (a) a stage (2) having two opposite end portions (3) for conveying objects thereon; (b) a pair of elongated arms (11) attached to the respect end portions of the stage, slidable and rotatable with respective to the stage (2) in a horizontal plane; (c) a plurality of holding means (14, 15) installed in the arms, the holding means being adapted to hold hanging means of the structure, to hang therefrom; (d) driving means (31) to slide and rotate the elongated arms (11) with respect to the stage (2) and the hanging means (14, 15); and (e) a control means for sliding and rotating the driving means (31) and for holding and releasing the holding means (14, 15), whereby the stage (12) is conveyed with respect to the structure.</p> |
