Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1981-01-19
1982-10-26
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15 42, 15366, 15368, 15374, A47L 530
Patent
active
043554369
ABSTRACT:
Wall-floor edge cleaning ability in a vacuum cleaner is improved by a disk brush positioned rim with its bristles capable of floor contact and the hard, unyielding parts entirely contained in a gap in a bumper guard affixed to an exterior side wall of the housing. A stub shaft, loosely penetrating an aperture in the said housing side wall, is rigidly affixed at one extremity to the hub of the disk brush and at the other extremity axially to a free, unfettered end of a revolvable brush roll, the said brush roll horizontally supported within the nozzle area between the housing side walls. The disk brush is consequently revolvable with the brush roll. The disk brush may join the stub shaft end on a slightly oblique plane to assure better agitation of a carpet nap and direct penetration of a wall-floor edge by the rim bristles. To facilitate assembly and replacement of worn parts, the members are removably joined. A link-slot cutout in the hub section of the disk brush may be utilized as wear occurs to adjust rim bristle contact with a floor surface.
REFERENCES:
patent: 436689 (1890-09-01), Boggs
patent: 604783 (1898-05-01), Parbel et al.
patent: 2476537 (1949-07-01), Erickson
patent: 4159555 (1979-07-01), Schneider
patent: 4219902 (1980-09-01), DeMaagd
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