FRICTIONAL PROPULSION DEVICE AND OMNI-DIRECTIONAL VEHICLE
In a frictional propulsion device comprising a main wheel including driven rollers (60) rotatably supported by an annular core member (32) about a tangential direction and a pair of drive disks (70) each carrying a plurality of drive rollers (78) rotatable about a rotational center line at an angle...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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