Clutchless self-propelled vacuum cleaner and nozzle height adjustment mechanism therefor
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United States of America Patent
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-
May 29, 2007
Grant Date -
Jul 15, 2004
app pub date -
Jan 9, 2003
filing date -
Jan 9, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A clutchless, direct drive, self-propelled vacuum cleaner includes a nozzle base having a suction inlet and a housing pivotally mounted on the nozzle base. A suction source is mounted to one of the nozzle base and the housing. A filter chamber is located in one of the nozzle base and the housing. A drive motor is mounted to one of the nozzle base and the housing, the drive motor having an output shaft. A transmission is directly coupled to the output shaft of the motor. A driven wheel is directly coupled to the transmission. Also disclosed is a height adjustment mechanism for the vacuum cleaner, the height adjustment mechanism employing the drive assembly of the vacuum cleaner.
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