摘要 |
<p>The calendar has a disk-shaped base body (1) provided with window openings (5), which are arranged in rows and columns. The window openings are locked by wing elements (6), which are formed as display elements and are rotated around a middle axis of rotation. The wing elements are detachably fixed in rotating position by a catch device opposite to the base body, where the rotating position is coplanar to the base body. The wing elements respectively comprise catch elements, which are arranged at a distance by the axis of rotation.</p> |