Vacuum cleaner agitator control

Details Vacuum cleaner agitator control Vacuum cleaner agitator control

1999-12-21

2000-12-12

Snider, Theresa T.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15332, 15391, A47L 904

Patent

active

061580848

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.

REFERENCES:
patent: 4748714 (1988-06-01), Tschudy
patent: 4766640 (1988-08-01), Martin et al.
patent: 5031267 (1991-07-01), Bewley
patent: 5537712 (1996-07-01), Weber et al.
patent: 5768746 (1998-06-01), Kamatani et al.
patent: 5839160 (1998-11-01), Wang et al.

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