Vacuum cleaning device

Details Vacuum cleaning device Vacuum cleaning device

1975-08-27

1977-07-26

Moore, Christopher K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15340, 15354, 15409, A47L 514

Patent

active

040372901

ABSTRACT:
To remove particles of debris from a floor surface, a hood is mounted on wheels to move over the floor with the open side of the hood facing downward to form a traveling chamber. An air jet nozzle inside the hood is directed downward and is moved in a circular horizontal orbit by a variable speed motor to agitate the debris particles as the hood travels. A pump is attached to the hood to maintain a vacuum therein and to withdraw from the hood a high velocity air stream entraining the agitated debris particles. The hood is manually steered and is driven by a variable speed motor.

REFERENCES:
patent: 1037027 (1912-08-01), Lindberg
patent: 1556021 (1925-10-01), Orr
patent: 1998851 (1935-04-01), Shields
patent: 2012640 (1935-08-01), Shipman
patent: 3222707 (1965-12-01), Allenbaugh
patent: 3755851 (1973-09-01), Williams
patent: 3778864 (1973-12-01), Scherer

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