| 摘要 |
A running device (1) for transmitting a power from a power source (3L, 3R) to an axle (8) through a power transmitting mechanism (4L, 4R) to rotate a wheel (5L, 5R) which is connected to the axle (8), wherein the wheel includes a power limiting mechanism (9, 10) to limit a torque transmitted between the wheel (5L, 5R) and the axle (8).
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