Vacuum cleaning system

Details Vacuum cleaning system Vacuum cleaning system

1973-02-15

1976-03-09

Nozick, Bernard

Gas separation

Flexible or collapsible bag type

Nested bags or folded wall with spaced or unsecured faces

15350, 15314, 15327D, 55381, 55467, 55DIG3, B01D 4602

Patent

active

039429636

ABSTRACT:
A vacuum cleaning system includes a stationary built-in power unit, a portable vacuum unit, and a flexible hose connecting the power unit and vacuum unit. Dirt and other particulate matter sucked into the system is trapped within a collection chamber of the vacuum unit and air within the collection chamber is evacuated therefrom to pass through the hose and the motor of the power unit.

REFERENCES:
patent: 2721624 (1955-10-01), Osborn
patent: 3023447 (1962-03-01), Senne
patent: 3226758 (1966-01-01), Brown et al.
patent: 3267650 (1966-08-01), Landin
patent: 3328826 (1967-07-01), Amos
patent: 3383839 (1968-05-01), Hintermaier
patent: 3626545 (1971-12-01), Sparrow
patent: 3676986 (1972-07-01), Reiling
patent: 3714765 (1973-02-01), Simonelli

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