| 摘要 |
<p>The invention provides a cleaning appliance (10) comprising a main body (12), a filter (48) and an interlock (44, 50). The main body (12) includes an airflow generator (52), separating apparatus (14) for separating dirt and dust from an airflow and a flowpath between the separating apparatus (14) and the airflow generator (52). The flowpath is delimited by a wall (40). The filter (48) is removably located in a pre-determined position in the flowpath. The interlock (44, 50) has a first part (50) located on the filter (48) and a second part (44) located on the main body (12). The first and second parts (44, 50) are adapted and arranged to communicate remotely when the filter (48) is correctly located in the pre-determined position. The interlock (44, 50) is adapted and arranged selectively to allow or prevent operation of the airflow generator (52) depending upon the relative separation between the first and second parts (44, 50). The second part (44) is located outside the flowpath. By providing an interlock (44, 50) which has first and second parts (44, 50) which communicate remotely, the second part (44) located on the main body (12) can be isolated from the airflow path. This means that the second part (44) will not be subject to dirt and dust carried by the airflow and will be less likely to become dirty or damaged.</p> |
