Canister type vacuum cleaner

Details Canister type vacuum cleaner Canister type vacuum cleaner

1987-10-28

1989-03-07

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15327B, A47L 900

Patent

active

048093955

ABSTRACT:
Canister type vacuum cleaners having a casing with convex sides which allow the vacuum cleaner to be pulled or otherwise displaced along a supporting surface irrespective of which side of the surface is facing downwardly and engaging that surface. A roller supported from a casing side wall at the base of the vacuum cleaner or one roller in an array which includes a roller supported from each casing side wall at the base end of the vacuum cleaner can be engaged with the supporting surface to increase the mobility of the vacuum cleaner. These rollers do not affect the insensitivity to orientation of the vacuum cleaner.

REFERENCES:
patent: D172136 (1954-05-01), Florian
patent: 1573771 (1926-02-01), McClatchie
patent: 1721459 (1929-07-01), McClatchie
patent: 2433356 (1947-12-01), French
patent: 2438133 (1948-03-01), Sparklin
patent: 2653342 (1953-09-01), Bonin et al.
patent: 3015122 (1962-01-01), Cook
patent: 3023838 (1962-03-01), Gaudry
patent: 3142857 (1964-08-01), Fresard et al.
patent: 3353338 (1967-11-01), Nilsson
patent: 3591888 (1971-07-01), Tzkeda
patent: 3619850 (1971-11-01), Rideout et al.
patent: 3621640 (1971-11-01), Ohno et al.
patent: 3883922 (1975-05-01), Fleischhauer
patent: 3950814 (1976-04-01), Fleischhauer

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