Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1998-05-08
2000-10-17
Snider, Theresa T.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15351, 15391, A47L 922
Patent
active
06131238&
ABSTRACT:
A self-propelled vacuum cleaner is provided having an upper handle portion and a carriage pivotally mounted to a lower end of the handle portion for pivotal motion relative the handle portion about a horizontally extending carriage axis. A transmission drivingly connected to at least one drive wheel mounted on the carriage, whereby the at least one drive wheel propels the vacuum cleaner over a floor surface. A nozzle body pivotally mounted to the carriage for pivotal motion relative the carriage about a generally horizontally extending nozzle axis, the nozzle body having a downward facing suction opening. The nozzle axis being generally horizontally offset from the carriage axis.
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Morgan Jeffery A.
Specht Glenn E.
Symensma Kenneth L.
Weber Vincent L.
Lowe A. Burgess
Snider Theresa T.
The Hoover Company
Watson Bruce P.
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