Surface cleaning pickup head

Details Surface cleaning pickup head Surface cleaning pickup head

1973-11-05

1976-02-17

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15419, 15421, A47L 514

Patent

active

039382176

ABSTRACT:
The specification discloses a surface cleaning apparatus having an air blast pickup head in which the suction in the exhaust chamber can be increased by the operator during operation of the apparatus to facilitate the ingestion of larger objects of debris and litter.

REFERENCES:
patent: 784801 (1905-03-01), Moorhead
patent: 3005224 (1961-10-01), Magarian
patent: 3089178 (1963-05-01), Sherman
patent: 3491399 (1970-01-01), Dolan et al.

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