| 摘要 |
A wheel assembly for a robot is provided to facilitate rotation of a wheel assembly when a robot is rotated. A wheel assembly for a robot comprises a pair of support members(10) coupled with the lower side of a robot body(100) and a frame(20) supported by the support members so that the frame is rotated. A pair of driving wheels(30) rotate about a rotating shaft parallel with a rotating shaft of the frame and are rotated by a driving source(31). A first auxiliary wheel(40) rotate about a rotating shaft parallel with a rotating shaft of the driving wheel. A second auxiliary wheel(50) is rotatably coupled with the rear portion of a lower side of the robot body. The support members are connected to each other by using a support shaft(11). The frame is supported by the support members so that the frame is rotated about the support shaft.
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