Sucking and filtering vehicle for dust and trash collecting
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 31, 1999
Grant Date -
N/A
app pub date -
Apr 1, 1996
filing date -
Mar 31, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sucking and filtering vehicle for dust and trash collecting is provided which comprises wheels (3), driving and steering means (4), dust and trash collecting and transporting means (5) comprising a tank (6), and suction device (7) adapted to form an air stream under suction passing through the tank (6), at least one filter (10) placed along the air stream under suction, and a chamber (13) external to the tank (6) and in communication therewith and housing at least one prevailing portion of the filter (10), the chamber (13) having walls (13a) at least partly spaced apart from said filter (10) in such a manner as to define hollow spaces or gaps (17) around the filter (10), the suction device (7) opening into said gaps (17).
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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