Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2007-12-04
2007-12-04
Redding, David (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S340400, C015S380000, C015S381000, C015S384000, C015S385000, C015S347000
Reexamination Certificate
active
11223854
ABSTRACT:
A cleaning machine for floors and carpets includes a vacuum pick-up in front of the machine for suctioning loose material and debris off the floor. A microfiber cleaning assembly is mounted beneath the machine for cleaning the floor following the vacuum pick-up. The microfiber cleaning element may be motor driven. A source of solution delivers a controlled amount of solution or water to moisten the microfiber cloth. A vacuum motor provides suction to the forward vacuum pick-up, routes the suctioned air through a filter, and the filtered air is then delivered to an air diffuser to dry any residual moisture behind the microfiber cleaning assembly. The microfiber cleaning assembly may have two offset pads driven by a reciprocating or oscillating drive, or one or two cylindrical rollers for receiving and securing the microfiber fabric in the form of a sleeve.
REFERENCES:
patent: 4369544 (1983-01-01), Parisi
patent: 5287581 (1994-02-01), Lo
patent: 7137169 (2006-11-01), Murphy et al.
Holly David R.
Mondigo Jesse V.
Pollack Jeffrey W.
Rau Michael A.
Minuteman International, Inc.
Redding David
Wildman Harrold Allen & Dixon LLP
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