| 摘要 |
PROBLEM TO BE SOLVED: To provide a traction drive mechanism capable of generating proper traction force stably and achieving high efficiency. SOLUTION: Length Xr of an inner peripheral face 32 of a ring roller 22 in the direction vertical to the direction of tangential line and the direction of normal line of a contact part 28 is set to be larger than length Xp of an outer peripheral face 33 of each pinion roller 23 in the vertical direction. Both end parts of the outer peripheral face 33 of each pinion roller 23 in the direction vertical to the direction of tangential line and the direction of normal line of the contact part 28 are brought into contact with the inner peripheral face 32 of the ring roller 22. A recessed part 26 is formed between the contact parts 28 on the inner peripheral face 32 of the ring roller 22 in the direction vertical to the direction of tangential line and the direction of normal line of the contact part 28. COPYRIGHT: (C)2007,JPO&INPIT
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