| 摘要 |
If an external force is applied to any one of the legs of a walking robot, or if the output-end gear provided in the leg stops rotating, the motor and gears for driving the leg are prevented from breaking. More specifically, the thigh section 3 of the leg comprises a slip gear 12 arranged in a column of gears. The slip gear 12 slips in the direction opposite to the direction the slip gear is rotated with a force transmitted between an electric motor 11, i.e., drive means, and the thigh section 3, when this force becomes equal to or greater than a predetermined value.
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