| 摘要 |
A vacuum cleaner (10) has a nozzle (14) with an opening (12) and a vacuum pump connected to draw dirt laden air into the opening from exteriorly of said vacuum cleaner. A shield (30) is movably mounted to the vacuum cleaner to have a first position at which a first part of the opening (12) is blocked from passing air and a second position at which a second part of the opening (12) is blocked from passing air. The first part of the opening (12) may be downwardly directed and the second part may be forwardly directed. The shield (30) may be pivotally mounted to the nozzle (14). |
