Vacuum cleaning appliances
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United States of America Patent
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-
Mar 4, 1986
Issued Date -
N/A
app pub date -
Jul 2, 1984
filing date -
Jul 8, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vacuum cleaning apparatus with an improved air control valve (22) for directing air flow to a passageway (11) in a casing either from a cleaning head (2) or a hose section (6) is described. In the preferred form the valve rotates to provide internal passages to the air passageway in the casing. The apparatus is particularly adapted as a vacuum cleaning appliance.
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