Sweeper with dual seal filter

Details Sweeper with dual seal filter Sweeper with dual seal filter

1996-06-18

1997-07-15

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

55300, 15349, B01D 4604

Patent

active

056470932

ABSTRACT:
A sweeping machine includes a sweeping brush, a hopper having an inlet for receiving debris from said sweeping brush, an opening in said hopper and a vacuum system for creating an air flow path from the hopper inlet through the opening. There is a filter positioned in the hopper opening and a peripheral flexible seal between the inlet side of the filter and the hopper opening. A vibratory filter cleaner is positioned adjacent the outlet side of the filter to impart vibration thereto. There is a closure which encloses the filter and the filter cleaner and there is a second peripheral flexible seal between the filter outlet side and the closure. The filter is movable between the spaced peripheral seals at its inlet and outlet sides whereby vibratory cleaning force applied by the filter cleaner causes vibration of the filter to provide cleaning thereof.

REFERENCES:
patent: 2784440 (1957-03-01), Newport
patent: 4328014 (1982-05-01), Burgoon et al.
patent: 4345353 (1982-08-01), Sommerfeld
patent: 4974283 (1990-12-01), Holsted et al.
patent: 4979260 (1990-12-01), Holsten et al.
patent: 5013333 (1991-05-01), Beaufoy et al.
patent: 5090083 (1992-02-01), Wulff
patent: 5194077 (1993-03-01), Bargiel et al.

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