Brushing – scrubbing – and general cleaning – Machines – Brushing
Reexamination Certificate
2007-04-10
2007-04-10
Barr, Michael (Department: 1746)
Brushing, scrubbing, and general cleaning
Machines
Brushing
C015S021100, C134S198000
Reexamination Certificate
active
10862390
ABSTRACT:
A device and process for cleaning electrical insulators mounted under an electrified contact rail parallel to a rail track comprises positioning arm(s) attached to a vehicle that travels on the track and a cleaning station with fixed or moveable fingers. The fingers have attached cleaning tools and engage, operate on, partly rotate around the circumference of the insulator, and disengage, as the vehicle passes by the insulator. The cleaning station can also ride on the contact rail and have moveable vertical members with cleaning tools attached to L-shaped tool holders that rotate around a portion of the circumference of the insulator. Cleaning tools include powered rotating, reciprocating, vibrating, oscillating and/or linear brushes, wrap-around cleaning belts, sonic horns, ultrasonic vibrating guns, lasers, pressure washing and/or water jetting nozzles on stationary, rotating or oscillating spray bars and spinning heads using steam, tap or deionized water, and pneumatic polishing nozzles.
REFERENCES:
patent: 3457574 (1969-07-01), Hirt
patent: 4771499 (1988-09-01), Fusi et al.
patent: 5119851 (1992-06-01), Paris
patent: 60-161229 (1985-08-01), None
patent: 06-270779 (1994-09-01), None
Barr Michael
Chaudhry Saeed T.
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