Electrostatic recording apparatus capable of maintaining constan

Details Electrostatic recording apparatus capable of maintaining constan Electrostatic recording apparatus capable of maintaining constan

1992-10-26

1994-12-20

Grimley, A. T.

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118657, 355245, G03G 2100

Patent

active

053749812

ABSTRACT:
An electrostatic recording apparatus includes a developing agent carrier member provided to extend along a predetermined path. A developing agent convey unit conveys a developing agent along the surface of the developing agent carrier member. The developing agent carrier member has a step in a developing agent convey direction of its surface. A plurality of recording electrodes are aligned on an upper surface of the step of the developing agent carrier member and spaced apart from each other with gaps therebetween in a direction perpendicular to the developing agent convey direction, and project uniformly from the step. An opposite electrode is disposed to oppose the plurality of recording electrodes. A leaf spring member supports at least portions of the plurality of recording electrodes projecting from the step and can swing the projecting recording electrodes in directions to approach to and to separate from the opposite electrode. A voltage applying unit applies recording voltages to the plurality of recording electrodes in accordance with recording data to selectively transfer the developing agent conveyed along the surface of the developing agent carrier member to the opposite electrode.

REFERENCES:
patent: 4546364 (1985-10-01), Todoh
patent: 4739348 (1988-04-01), Ando et al.
patent: 5196890 (1993-03-01), Nakayama et al.

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