Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1990-05-11
1991-03-05
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15328, 15377, 154222, A47L 536
Patent
active
049967371
ABSTRACT:
An air booster power nozzle for use in combination with a vacuum cleaner having a motor/fan unit for creating a vacuum, the power nozzle including an enclosed base having a suction inlet for air and an air outlet spaced from the suction inlet, a power source and a motor energized by the power source, a suction-creating fan rotatably supported by the motor and sited relative to the enclosed base adjacent the air outlet; the motor/fan units of the vacuum cleaner and of the power nozzle operating in tandem for creating an extremely high suction and vacuum at the power nozzle to forcefully remove debris from the surface being cleaned and to preclude plugging of the power nozzle or the vacuum cleaner.
REFERENCES:
patent: 1914834 (1933-06-01), Otto
patent: 2218035 (1940-10-01), Benson
patent: 3184775 (1965-05-01), Downey et al.
patent: 3212119 (1965-10-01), Humphrey
patent: 3310828 (1967-03-01), Clark
patent: 3618158 (1971-11-01), Worwag
patent: 3634905 (1972-01-01), Boyd
patent: 3774261 (1973-11-01), Colt
patent: 4137599 (1979-02-01), Steyer
patent: 4199839 (1980-04-01), Martinec
patent: 4446594 (1984-05-01), Watanabe et al.
patent: 4463473 (1984-08-01), Nakada et al.
Bryton Vacuum Company, Inc.
Moore Chris K.
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