| 摘要 |
A robot capable of moving against gravity uses at least one vacuum cup assembly having a port for applying a lubricant on the working surface so the cup may slide on the surface as the robot is maneuvered with the aid of powered wheels. The wheels and vacuum cut assemblies are coordinated to move on varied surfaces. The robot module may be equipped with various task-performing assemblies, and may be employed in caravans, trains, or separately in swarms.
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