| 摘要 |
A roller foot, which can be mounted on the bottom of an electrical apparatus, includes a housing, a wheel axle and a wheel. The housing has a top frame, a left frame and a right frame. A right axle hole and a left axle hole are mounted on the inner surface of the right frame and the left frame respectively. The wheel axle is pivotally configured in the left axle hole and the right axle hole. The vertical size of each of the left axle hole and the right axle hole is larger than the wheel axle such that the wheel axle can be moved relative to the center of the left axle hole and the right axle hole. The wheel has a wheel axle hole. The wheel axle is configured in the wheel axle hole.
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