Brushing – scrubbing – and general cleaning – Machines – Wiping
Patent
1988-10-11
1990-03-20
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Wiping
29122, 29132, A47L 1100
Patent
active
049088980
ABSTRACT:
A cleaning roller rotatably driven to wipe off a liquid cleaner applied to a floor by an applying roller includes a core rotatably supportable at the opposite ends thereof and a resilient body mounted about the core and having one end inwardly spaced away from each of the opposite ends of the core, the external diameter of the resilient body progressively increasing from each of the opposite ends of the resilient body toward the central portion thereof.
REFERENCES:
patent: 1317713 (1919-10-01), Linder
patent: 1956347 (1934-04-01), Gearhart et al.
patent: 2191144 (1940-02-01), Hornbostel
patent: 2685548 (1954-08-01), Drozdowski
patent: 2921426 (1960-01-01), Heth
Eishin Technology Company, Limited
Roberts Edward L.
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