Portable vacuum cleaning machine

Details Portable vacuum cleaning machine Portable vacuum cleaning machine

1985-03-01

1987-03-24

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15326, 15413, 55276, 417366, A47L 500

Patent

active

046513809

ABSTRACT:
A self-contained portable vacuum cleaning machine provides vacuum, hydro-extraction and pressure washing capability and incorporates a vacuum blower head which contains two blowers and (1) is adapted for serial or parallel vacuum blower operation and (2) incorporates a double wall construction which provides cooling air flow for the vacuum motors and defines an exhaust channel for the vacuum blowers which suppresses exhaust noise.

REFERENCES:
patent: 2884185 (1959-04-01), Dolan
patent: 4068340 (1978-01-01), Forward
patent: 4114231 (1978-09-01), Nauta
patent: 4231133 (1980-11-01), Probost
patent: 4280245 (1981-07-01), Hiester
patent: 4330899 (1982-05-01), Miller et al.

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