An omni-directional, octagonal shaped, camera skate dolly that includes a platform having a generally planar upper surface, a lower surface and a plurality of side surfaces, and a plurality of wheel assemblies attached to the lower surface of the platform, wherein each of the wheel assemblies includes...http://www.google.de/patents/US7140622?utm_source=gb-gplus-sharePatent US7140622 - Movie camera skate dolly
