| 摘要 |
A drive unit for endless chain conveyors comprising a first and a second side chains having links (26, 27) connected by cross bars (25) defining the conveying surface of the conveyor, and in which each chain comprises main link members (26) arranged in planes that are orthogonal to the conveying surface, and intermediate links (27) which are interconnected to the former and are arranged parallely to said conveying surface, and. sprocket wheels (18a, 18b) connected to a control motor (20) for advancing or drawing the chains. Each drive unit (17) comprises link accumulating means (28) provided with guide tracks (31, 32) for the slackened link (26, 27) of the chains.
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