| 摘要 |
<p>The structure (1) has a hooking unit (13) comprising a hook and a hooking notch at a front edge (10) of blades (2), where the hook is cooperated with the notch. A hooking unit (14) comprises a guide slide extending along a direction parallel to a plane of the blade. A hooking pin of a following blade is displaced in the plane of the blade when successive blades are relatively displaced during a transitional phase for aligning and stacking of the blades to deploy or fold of the blades.</p> |
