Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1997-05-06
2000-03-07
Chin, Randall E.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 222, 15 223, 15 28, 15 211, 15 971, 15 972, 15 30, 15 34, 15 36, 601122, 601123, 451259, 451343, 451359, A46B 1302, A47L 1100, A47L 2300, A61H 1500
Patent
active
060323132
ABSTRACT:
A household appliance of the type in which a cleaning, polishing, or massaging effect is obtained by a rotating head or tool is improved by splitting the cleaning, polishing, or massaging head or tool into concentric or parallel multiple heads or tools arranged for coaxial or side-by-side differential motion.
REFERENCES:
patent: 1796641 (1931-03-01), Zimmerman
patent: 2728928 (1956-01-01), Beeren
patent: 4856133 (1989-08-01), Sanchez
patent: 5007127 (1991-04-01), Paolo
patent: 5337435 (1994-08-01), Krasner
patent: 5353460 (1994-10-01), Bauman
patent: 5354246 (1994-10-01), Gotman
patent: 5355638 (1994-10-01), Hoffman
patent: 5358328 (1994-10-01), Inoue
patent: 5416942 (1995-05-01), Baldacci
patent: 5619766 (1997-04-01), Zhadanov
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