| 摘要 |
A scraper conveyor has a machine frame consisting of a horizontal grains supply case, a horizontal discharge case placed at a position higher than the supply case and having a discharge port, and a slanted case arranged between both these cases; a pair of sprockets arranged at both the ends of the machine frame; an endless chain provided with a number of paired scrapers for conveying grains and extending around the sprockets; a curved guide rail extending along substantially the whole length of the machine frame and being arranged in the frame in order to support upward the upper returning chain portion of the chain; a pair of chain sustaining members for preventing the upper returning chain portion and lower advancing chain portion of the chain from floating; and chain support members for supporting upward the lower advancing chain portion.
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