Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2008-10-22
2011-11-08
Redding, David (Department: 3723)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S352000, C055S337000, C055S429000, C055SDIG030
Reexamination Certificate
active
08051532
ABSTRACT:
A latching mechanism for a dust cup assembly on a bottom exit cyclone-separator vacuum cleaner including a non-rotating sealing conduit member that supports a dust cup assembly above a discharge outlet coupled to a sliding latch member via pin-mounted linkages. The conduit member raises and lowers the dust cup assembly into and out of engagement with the cyclone separator coincident with horizontal sliding movement of the latch member in and out underneath the dust cup to releasably attach and detach the dust cup assembly from the cyclone separator.
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patent: 2002/0029436 (2002-03-01), Hawkins et al.
patent: 2008/0000044 (2008-01-01), Lee
Griffith Aaron P.
Metzger Eric R.
McGarry Bair PC
Redding David
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