| 摘要 |
The circular moving plates (2,3) with inclined post bases (18, 19) are placed with different height on a deck chasis (1). The outer faces of the plates are supported by a number of guide rollers (4-7). The gears (8,9) formed on the inside of the plates are linked with loading gears (12, 13). The one plate (2) has a guide groove (14) and another one has guide projections (15-17) so that the projections are guided by the groove when the plates are drived.
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