Bulky dust sweeper

Details Bulky dust sweeper Bulky dust sweeper

1988-10-25

1990-07-24

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

15 49C, E01H 104

Patent

active

049426397

ABSTRACT:
A bulky dust sweeper has side brushes for brushing and gathering bulky dust, and a main brush mounted on a bottom portion of its vehicle body and adapted to sweep the bulky dust into a hopper. The bulky dust sweeper also has a scrape-in device disposed within the hopper for scraping the bulky dust which has been swept into the hopper by the main brush, into a dust connected to the inside of the hopper, a push-in device disposed at an inlet port of the duct and adapted to push the bulky duct, which has been scraped into the duct by the scrape-in device, toward the uppermost end of the duct, and a dust collecting bag removably attached to a top opening of the duct and adapted to collect the dust therein.

REFERENCES:
patent: 3006021 (1961-10-01), Patch
patent: 3676886 (1972-07-01), Aiuppa
patent: 3837157 (1974-09-01), Van Der Lely
patent: 3849824 (1974-11-01), Doering
patent: 3859685 (1975-01-01), Doering et al.
patent: 3999316 (1976-12-01), Palmer
patent: 4457044 (1984-07-01), Erdman et al.
patent: 4459719 (1984-07-01), Notestine

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