Road/pavement cleaning machine having air-blast functionality
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United States of America Patent
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Nov 24, 2009
Grant Date -
Oct 6, 2005
app pub date -
Apr 5, 2005
filing date -
Apr 6, 2004
priority date (Note) -
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Abstract
A road/pavement sweeper is provided with a pickup head or debris-intake hood that operates in a conventional manner to entrain or aspirate particles and/or debris from the pavement surface. The air-inlet structure of the debris-intake hood is provided with an air-flow control member that selectively directs the air flow through the debris-intake hood in order to conventionally entrain debris or particles from the surface being swept or through an opening in the side of the air-inlet structure to create an air blast useful to blow debris from the pavement or roadway surface. One or more fixed-position or controlled-position air flow vanes can be provided to selectively direct the air blast.
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