| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cleaning appliance, which is in the form of a vacuum cleaning appliance. <P>SOLUTION: The cleaning appliance includes a substantially spherical surface engaging rolling assembly having a fluid inlet for receiving a fluid flow and a system for drawing the fluid flow through the inlet, and a plurality of support members for supporting the rolling assembly as it is maneuvered over a surface. The center of gravity of the cleaning appliance is located within the rolling assembly. <P>COPYRIGHT: (C)2012,JPO&INPIT |
