Dust suction head for electric vacuum cleaner

Details Dust suction head for electric vacuum cleaner Dust suction head for electric vacuum cleaner

1998-08-27

2000-09-26

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15386, A47L 510

Patent

active

061227986

ABSTRACT:
A dust suction head for use in an electric vacuum cleaner, having an air suction port at the bottom of the head. The head has a brush chamber which accommodates therein a freely rotatable brush having blades that extend along the shaft of the rotational brush. The head additionally has an opening and an air passage connected with the opening for taking in and leading fresh air into the vacuum chamber of the cleaner through the brush chamber such that the fresh air passing through the brush chamber impinges on the blades to accelerate the rotational motion of the blades. Thus, the head can obtain a necessary amount of air to rotate the brush at all times, especially when it is brushing a carpet, and maintain its smooth motion on the floor while dusting it.

REFERENCES:
patent: 1209721 (1916-12-01), Kirby
patent: 1209722 (1916-12-01), Kirby
patent: 1323925 (1919-12-01), Stewart
patent: 1915073 (1933-06-01), Svensson
patent: 2331692 (1943-10-01), Hunt
patent: 2777152 (1957-01-01), Cosentino
patent: 2993224 (1961-07-01), Child
patent: 5802666 (1998-09-01), Jung

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