Upright vacuum cleaner

Details Upright vacuum cleaner Upright vacuum cleaner

1990-12-07

1992-10-06

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

A47L 900

Patent

active

051520281

ABSTRACT:
An upright vacuum cleaner which includes a housing for accommodating a power-driven fan and a dust chamber, a suction head having a rotary brush for agitating dust on floors, the suction head being connected to the housing so as to enable the extracted dust to enter the dust chamber, a belt for transmitting the rotation of the fan to the rotary brush, a dust detecting sensor, and a control circuit for controlling the rotation of the fan.

REFERENCES:
patent: 4099291 (1978-07-01), Bowerman
patent: 4601082 (1986-07-01), Kurz
patent: 4680827 (1987-07-01), Hummel
patent: 4937912 (1990-07-01), Kurz
patent: 4942640 (1990-07-01), Hayashi et al.

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