Vacuum Cleaner
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United States of America Patent
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N/A
Issued Date -
Sep 22, 2011
app pub date -
Mar 17, 2011
filing date -
Mar 17, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A vacuum cleaner includes a body having a cavity, an outlet for cleaned air, a filter removably mounted in the cavity upstream of the outlet, at least one device mounted in the body upstream of the filter for separating and collecting dirt and dust entrained in an induced airflow through the cleaner, and a closure for closing an opening in the cavity, the closure being openable for providing access to the filter and separation device through the opening. An arm extends into the cavity for engaging a formation on the filter, the latter holding the arm in a retracted position. If the filter or a component of the separation device is omitted or incorrectly inserted in the body, the arm adopts an extended position and prevents the closure from being closed. In this manner the user is immediately alerted to the fact that the filter or a component of the separation device is not correctly in-situ and remedial action can be taken.
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