| 摘要 |
A multiple directional wheel (10) including a frame (11) having a central hu b (12) rotatable about a main axis and a plurality of roller supports (16) radially spaced from the central hub, a plurality of rollers evenly spaced around the circumference of the wheel (10) and rotatably mounted on the roll er supports (16), the rollers rotatable about a corresponding plurality of roll er axes aligned in the plane of the wheel and transverse to the main axis, the frame (11) is integrally formed in a first moulding process and the rollers are formed in place on the wheel (10) about the roller supports (16) in a separate process. In another embodiment there is disclosed a multiple directional wheel including a pair of opposed separately integrally formed first and second frames.
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