Brushing – scrubbing – and general cleaning – Machines – Brushing
Reexamination Certificate
2004-11-05
2010-02-23
Karls, Shay L (Department: 3723)
Brushing, scrubbing, and general cleaning
Machines
Brushing
C015S050100, C015S103000
Reexamination Certificate
active
07665173
ABSTRACT:
A washing system for an elevated surface has a) a housing having a liquid application cleaning system therein; b) a support element that supports and elevates the washing system; c) a rigid member extending from a surface of the housing that faces away from a surface to be cleaned so that the cable, when supporting the cleaning system against the surface to be cleaned and connected to the housing at a connection point, exerts a rotational force on the cleaning system in relation to the fixed fulcrum at the roof top; and d) weights provided at a distance and direction from the connection point fulcrum to at least in part counterbalance the rotational force.
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Lange Michael R.
Simonette Dallas W.
Bartz Richard John
Karls Shay L
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