Pressure based sensing means for adjusting the height of an agitator in a vacuum cleaner head
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United States of America Patent
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Sep 26, 2000
Grant Date -
N/A
app pub date -
Jun 1, 1999
filing date -
Jun 1, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A vacuum cleaner head has a rotatably mounted brush and a pressure sensor which is drivingly connected to the brush to move the brush with respect to the dirty air inlet in response to the air pressure in the air flow path to the vacuum cleaner head.
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