| 摘要 |
PROBLEM TO BE SOLVED: To prevent generation of noises by smoothly separating a resin-made roller of a conveyor chain from a foot step sprocket. SOLUTION: A roller pushing rail 20 which separates the resin-made roller 2c from the foot step sprocket 1 to lead it to a guide rail 5' is provided near the position to separate the resin-made roller 2c from the foot step sprocket 1. COPYRIGHT: (C)2004,JPO
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