| 摘要 |
A tray conveying apparatus having a pair of guide racks and a pair of auxiliary racks formed on the bottom surface of a tray. A pair of support gear assemblies are engaged with the guide and auxiliary racks, and each support gear assembly has two gears having different pitches, which are engaged with the auxiliary racks when the tray is opened or closed. When the tray moves in the forward or backward direction, the support gears are engaged with the auxiliary racks, and thereby lead and guide the tray so that the tray is easily conveyed.
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