Corona generating element

Details Corona generating element Corona generating element

H - Electricity

01

T

317/3.4

H01T 19/00 (2006.01) G03G 15/02 (2006.01)

Patent

CA 1120530

ABSTRACT OF THE DISCLOSURE A corona generating element for use in applying a uniformed electrostatic charge over a surface when the element is connected to a source of high voltage is disclosed. The element comprises a strand of metal wire having a plurality of similar discontinuous unitary thin portions at uniformly spaced intervals alongs the length of the wire with each thin portion terminating in at least one knife edge. This knife edge constitutes a corona emission surface, whereby, when a source of high voltage is connected to the corona generating element, a corona will be generated along the knife edge of each of the thin portions along the length of the metal wire. The corona generating device is particularly useful in applying a uniform electrostatic charge of negative polarity to the surface of a photoconductive member.

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