Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2007-11-13
2007-11-13
Redding, David (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S340300, C015S354000, C015S422000
Reexamination Certificate
active
11543444
ABSTRACT:
The invention relates a device for suction of waste and similar, in a machine for cleaning roads and similar comprising a suction pipe (2), an inlet aperture (3) of the suction pipe (2), and a sweeper device (4) of the pipe (2) positioned near the inlet aperture (3) and suitable to free the suction pipe (2) of any impediments.
REFERENCES:
patent: 3445879 (1969-05-01), Taylor
patent: 4868948 (1989-09-01), Arnold et al.
patent: 6584640 (2003-07-01), Vanderlinden
patent: 2 357 057 (2003-02-01), None
patent: 0 114 114 (1969-07-01), None
Dulevo International S.p.A.
Redding David
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