Photoreceptor drum driving mechanism

Details Photoreceptor drum driving mechanism Photoreceptor drum driving mechanism

1996-09-26

1998-06-02

Lee, S.

Electrophotography

Image formation

Photoconductive member

G03G 1500

Patent

active

057615802

ABSTRACT:
A photoreceptor drum driving mechanism includes a drum drive gear provided at a leading end of a drive shaft, which is in mesh with an internal gear mounted to a photoreceptor drum and a roller coaxially formed with the drive shaft. The mechanism further includes a circular arc surface in contact with the roller in a deflecting direction of the drive shaft. As a result, the drive shaft of the drum drive gear can be prevented from being deformed in a pressure angle direction of the drum drive gear. As this eliminates irregularities in rotations of the photoreceptor drum, a distortion of an image in an image forming process or in a transferring process can be prevented.

REFERENCES:
patent: 5210574 (1993-05-01), Kita
patent: 5353099 (1994-10-01), Tsunoda
patent: 5528348 (1996-06-01), Miwa et al.
patent: 5579093 (1996-11-01), Wagner et al.

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