Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1984-10-09
1986-11-11
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15410, A47L 914
Patent
active
046213902
ABSTRACT:
An electric vacuum cleaner has a floor engaging unit, a generally vertically extending handle assembly pivotally affixed to the rear of the floor engaging unit, and a porous bag assembly mounted to the front of the handle assembly. The handle assembly is hollow to direct dust-laden air from the floor engaging unit to the bag assembly. A bottom plate, under the brush roll, has notches at its edges to enhance edge cleaning, and front wheels for the cleaner. Ridges are provided in the floor engaging unit to prevent improper assembly of the drive belt. The handle assembly is resiliently biased upwardly, and a release is provided thereon to enable relaxation of forces on the porous bag of the porous bag assembly, to facilitate changing of the bag.
REFERENCES:
patent: 1894343 (1933-01-01), Butzer
patent: 1900271 (1933-03-01), Ballou
patent: 1962370 (1934-06-01), Thor
patent: 1989868 (1935-02-01), Kessler
patent: 2045496 (1936-06-01), Skinner
patent: 2253310 (1941-08-01), Smellie
patent: 2730750 (1956-01-01), La Briere
patent: 3199138 (1965-08-01), Nordeen
patent: 3491519 (1970-01-01), Ettridge
patent: 3675268 (1972-07-01), Nordeen
patent: 4405346 (1983-09-01), Tschudy et al.
Hampton Leonard
Hohulin Samuel E.
Miller Alfred E.
Moore Chris K.
National Union Electric Corporation
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