| 摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning appliance capable of rapidly and accurately changing the direction in which the cleaning appliance is moved. SOLUTION: The cleaning appliance includes a chassis 34, separating apparatus for separating dirt from a dirt-bearing fluid flow, a duct 28 moveable relative to the chassis for conveying the fluid flow to the separating apparatus, a floor engaging steering member 40, and a control mechanism 42, 44, and 58 for moving the steering member relative to the chassis in response to the movement of the dust relative to the chassis. COPYRIGHT: (C)2011,JPO&INPIT
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