Vacuum cleaner floor seal
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United States of America Patent
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-
Dec 9, 2014
Issued Date -
N/A
app pub date -
Dec 13, 2011
filing date -
Dec 13, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vacuum cleaner suction head having a housing, one or more support to support the housing on a surface to be cleaned, a suction inlet and front and rear sealing plates. The front and rear sealing plates extend along the front and rear edges of the suction inlet, respectively. the sealing plates are movable between raised positions in which the lower surfaces of the plates are close to the housing, and lowered positions in which the lower surfaces of the plates are remote from the housing. The front and rear plates are movable from the lowered position to the raised position by contact with debris on the surface to be cleaned.
First Claim
Family
International Classification(s)
Cited Art Landscape
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