Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1973-12-21
1976-02-10
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 87, A47L 1132
Patent
active
039371743
ABSTRACT:
A sweeper having at least one laterally arranged side brush rotatably mounted about a rotational axis inclined with respect to the vertical axis of the sweeper and having bristles arranged in a pattern about the rotational axis, and a drive mechanism responsive to the lateral displacement of the sweeper over the surface being swept for rotating the side brush in a predetermined direction of rotation about the rotational axis independently of the direction of lateral displacement of the sweeper.
REFERENCES:
patent: 500976 (1893-07-01), Tangenberg
patent: 801882 (1905-10-01), Knell
patent: 3748679 (1973-07-01), Rosendall
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