Device for suction of waste and contaminating substances from the ground
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United States of America Patent
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Jan 24, 2012
Grant Date -
Apr 12, 2007
app pub date -
Oct 5, 2006
filing date -
Oct 7, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a device for suction of waste and contaminating substances from the ground of the type used in machines for cleaning roads and similar, comprising a suction pipe (2) and a recirculation pipe (3), the device comprising: an inlet aperture (2a) of the suction pipe (2a) and an outlet aperture (3a) of the recirculation pipe (3); the outlet aperture (3a) being a slot surrounding the inlet aperture (2a) near the ground; the device further comprising a system for adjustment (12) of the distance from the ground consisting of an articulated quadrilateral (13), a fluid dynamic cylinder (14) and at least one castor (15) in contact with the ground.
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