| 摘要 |
PROBLEM TO BE SOLVED: To provide a pulley for conveyor capable of reducing the number of part items, enhancing the easiness in assembling operations, suppressing the manufacturing costs, accomplishing a lightweight construction, enhancing the center aligning accuracy, establishing versatility by means of cutting into any lengths, and heightening the strength due to a consolidated structure with ribs. SOLUTION: The pulley 10 for conveyor has a trunk part 11 composed of an inner cylinder 13 and an outer cylinder 14 arranged in the socket-and-spigot condition and a plurality of ribs 15 extending in the radial direction from the peripheral surface of the inner cylinder 13 and coupled with the inner surface of the outer cylinder 14, wherein rotary shafts 12... are fixed in such a way as protruding from the ends of the inner cylinder 13.
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