| 摘要 |
PROBLEM TO BE SOLVED: To maintain emergency drive characteristics required for a clamp coupling operation when a travelling roller is damaged. SOLUTION: This is a travelling gear mechanism for a conveying means provided with drive rollers 2 and a coupling mechanism 3 on an aerial cable system. In this invention, a joint foot part 5 stretching below at least one of the travelling rollers 2 and stretching into a guide rail 20 is provided. When the travelling rollers 2 are disrupted, the joint foot 5 stretching into the guide rail 20 performs as a liner sliding in the guide rail 20. Emergency travelling characteristics required for a clamp coupling operation, thereby is achieved.
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