Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2006-06-06
2006-06-06
Snider, Theresa T. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S317000, C122S390000
Reexamination Certificate
active
07055209
ABSTRACT:
A single motor rack and pinion driven sootblower is converted to a dual motor version. The single motor version includes a lance tube which is advanced and retracted transversely on a carriage and is further rotationally driven by a translational mechanical drive which rotates the lance tube as it is being axially driven. The conversion is accomplished by disengaging the translational drive by removing the original drive hub within the drive housing of the carriage and this original drive hub is substituted with a tubular rotary drive hub which is not in driving engagement with the translational drive when installed. A second rotational motor is then mounted on the carriage assembly and connected to externally exposed portions of the substitute hub through a gear drive for independently rotating the substitute hub and thereby independently rotating the lance tube about its axis. The two motors are then independently controlled through the use of a microprocessor to provide infinite indexing possibilities for the lance tube.
REFERENCES:
patent: 4492187 (1985-01-01), Hammond
patent: 5579726 (1996-12-01), Finucane
patent: 5605117 (1997-02-01), Moskal
patent: 5619771 (1997-04-01), Minic
patent: 6575122 (2003-06-01), Hipple
patent: 6892679 (2005-05-01), Jameel et al.
Carothers & Carothers
JSS Power Solutions, LLC
Snider Theresa T.
LandOfFree
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