| 摘要 |
Each of several circular trays are rotatably mounted one above the other on a vertical column (1) and include several part-circle sectors (4). The sectors are carried by a common holder (5) journalled on the column. The sectors are carried so that each tray is accessible. The sectors may be individually withdrawable radially w.r.t. the holder and can cover (together) less than 360 deg. Thus an opening is formed, facilitating withdrawal or placing objects from or in a tray immediately above or below. |
