Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2005-04-19
2005-04-19
Till, Terrence R. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S351000
Reexamination Certificate
active
06880201
ABSTRACT:
A vacuum cleaner having a main body and a handle, the main body being formed with a nozzle which delivers a stream of dirt-laden air through a dirt duct through a motor-fan inlet, the handle being supported on the motor-fan assembly and housing a filter bag which communicates with the motor-fan assembly for receiving the dirt-laden air, the motor-fan assembly having a motor housing, a motor with commutated brushes which give off carbon dust particles, a motor cooling fan for drawing a cooling airstream and a working fan for drawing the dirt-laden air, the vacuum comprising: an opening formed in the motor housing for receiving the cooling airstream; a cooling outlet formed in the motor housing through which the cooling airstream exists; means for directing the existing cooling airstream into the dirt-laden air; a collar extending axially outwardly from the motor housing, the collar allowing pivotal rotation of the motor housing relative to the main body.
REFERENCES:
patent: RE22077 (1942-04-01), Kitto
patent: 3354496 (1967-11-01), Jonsson
patent: 0 826 332 (1998-03-01), None
Corrigan Michael J.
Lowe A. Burgess
The Hoover Company
Till Terrence R.
LandOfFree
Motor-fan cooling air directed into filter bag does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Motor-fan cooling air directed into filter bag, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Motor-fan cooling air directed into filter bag will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3418399