Developer backer bar that allows axial misalignment between the

Details Developer backer bar that allows axial misalignment between the Developer backer bar that allows axial misalignment between the

1997-04-11

1999-09-14

Grimley, Arthur T.

Electrophotography

Image formation

Photoconductive member

G03G 1509, G03G 1522

Patent

active

059535652

ABSTRACT:
A developer backer bar having a substantially flat surface for interfacing with a noncontact developer member. The backer bar is arranged so that it can be retracted for clearance purposes when removing or inserting a xerographic CRU. Upon installation of the CRU, the backer bar is biased into position to maintain a development zone within predetermined parameters. The substantially flat surface eliminates or minimizes errors that may result from slight variations in axial alignment between the backer bar and the developer member.

REFERENCES:
patent: 4806991 (1989-02-01), Guslits
patent: 5243384 (1993-09-01), Everdyke et al.
patent: 5338893 (1994-08-01), Edmunds et al.
patent: 5585892 (1996-12-01), Hayano et al.
patent: 5708924 (1998-01-01), Shogren et al.
patent: 5724640 (1998-03-01), Thayer
Research Disclosure, "Photoconductor-Development Applicator Spacing Mechanism", Jun. 1994, No. 362, Emsworth, GB, p.281, XP 000461247.

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