| 摘要 |
This invention comprises a driveable, steerable platform for industrial, domestic, entertainment and related uses. A frame member travels on a plurality of wheels which can be turned 360 DEG to steer the platform in a desired direction. Separate endless drive means in the form of gear-driven concentric shafts drive and steer the wheels. The platform travels substantially parallel to the terrain traversed. The entire platform may be housed in a hollow sphere to cause the sphere to selectively roll, providing the platform the ability to move about on radically uneven terrain including the ability to climb steps of height equal to approximately one-half the sphere's diameter. The wheels engage the inner surface of the rolling sphere to drive and steer the rolling sphere.
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