| US 7,386,915 B2 | ||
| Dual motor upright vacuum cleaner | ||
| Douglas L. Blocker, Festus, Mo. (US); and John F. Kaido, Arnold, Mo. (US) | ||
| Assigned to Tacony Corporation, Fenton, Mo. (US) | ||
| Filed on Apr. 20, 2004, as Appl. No. 10/827,704. | ||
| Prior Publication US 2005/0229356 A1, Oct. 20, 2005 | ||
| Int. Cl. A47L 5/30 (2006.01) | ||
| U.S. Cl. 15—331 [15/334; 15/335; 15/412; 15/422.2] | 11 Claims |
| 1. An upright vacuum cleaner, comprising:
a cleaning head engagable with a floor and having a suction nozzle and a brush roller rotatably mounted therein;
a first motor and fan unit mounted in the vacuum cleaner for producing suction in the suction nozzle and operatively connected
to the brush roller for rotating it;
an upright housing connected to the cleaning head, the housing having a handle for moving the vacuum cleaner along the floor
during floor cleaning use, a dirt storage container, a passageway leading from the suction nozzle in the cleaning head to
the dirt storage container; and
a second motor and fan unit mounted in the upright housing and operatively associated with the dirt storage container for
drawing dirt laden air from the cleaning head through the passageway and into the dirt storage container simultaneously with
operation of the first motor and fan unit,
wherein the first and second motor and fan units operate to move substantially the same amount of air simultaneously in the
range of 80-200 CFM.
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