Vehicle for sweeping streets

Details Vehicle for sweeping streets Vehicle for sweeping streets

2005-09-27

2005-09-27

Snider, Theresa T. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S320000, C015S352000, C015S353000

Reexamination Certificate

active

06948213

ABSTRACT:
Disclosed is a street sweeper. The street sweeper includes a water tank, a collection hopper delimiting a refuse accommodating space and having a filtering screen, water spraying nozzles connected to the water tank, brushes positioned close to the street, a refuse suction tube placed adjacent to the brushes, and a blower unit for inducing suction force in the refuse suction tube. The street sweeper is adapted for sucking and collecting refuse existing on the street through the refuse suction tube into the collection hopper while water is sprayed from the water spraying nozzles. An opening is defined through a bottom wall of the collection hopper. A water inlet hole to be communicated with the opening is defined through a wall of the water tank. A filter assembly is arranged between the opening of the collection hopper and the water inlet hole of the water tank.

REFERENCES:
patent: 1670934 (1928-05-01), Keefer
patent: 3011206 (1961-12-01), Breither
patent: 3160908 (1964-12-01), Krier et al.
patent: 4194263 (1980-03-01), Herpers et al.
patent: 4207647 (1980-06-01), Masters
patent: 4348783 (1982-09-01), Swanson et al.
patent: 4464810 (1984-08-01), Karpanty
patent: 5613270 (1997-03-01), Alvarez et al.
patent: 5768742 (1998-06-01), Kohl et al.
patent: 5901407 (1999-05-01), Boomgaarden

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