Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge – Specific conduction means or dissipator
Reexamination Certificate
2007-03-20
2007-03-20
Jackson, Stephen W. (Department: 2836)
Electricity: electrical systems and devices
Discharging or preventing accumulation of electric charge
Specific conduction means or dissipator
C361S221000, C361S222000, C361S212000
Reexamination Certificate
active
10877112
ABSTRACT:
A grounding brush for mitigating static electric charge on a motor shaft includes a plurality of filaments secured to an annular frame around the shaft, with tips of the filaments disposed in a channel defined by the frame. Conductive powder can be provided in the channel to improve current flow from the shaft to the filaments.
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King Charles A.
Oh Hieyoung W.
Croll Mark W.
Donovan Paul F.
Illinois Tool Works Inc
Jackson Stephen W.
Patel Dharti H.
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