Supporting apparatus for a photosensitive drum

Details Supporting apparatus for a photosensitive drum Supporting apparatus for a photosensitive drum

2007-05-07

2009-12-08

Gray, David M (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

C399S116000, C399S110000, C399S107000

Reexamination Certificate

active

07630667

ABSTRACT:
For supporting a cylindrical photosensitive drum, a high-precision high-strength supporting apparatus is disclosed to include a sleeve member and a shaft member. The sleeve member has an outer wall for attaching to the photosensitive drum, an inner wall within which an axial hole is defined, a first retaining portion positioned at the inner wall, and four locating ribs disposed inside the axial hole. The shaft member has an outer tube inserted into the axial hole of the sleeve member, a second retaining portion provided on the outer tube and engaged with the first retaining portion of the sleeve member, a connecting portion inwardly extending from the outer tube, an inner tube disposed at an inner end of the connecting portion, and four locating slot provided on the inner tube and engaged with the locating rib of the sleeve member.

REFERENCES:
patent: 5825472 (1998-10-01), Araki et al.
patent: 6198891 (2001-03-01), Ishida et al.
patent: 6381429 (2002-04-01), Shibata et al.
patent: 7050736 (2006-05-01), Hale et al.
patent: 2003/0002886 (2003-01-01), Kobayashi et al.
patent: 2003/0099485 (2003-05-01), Ahn et al.
patent: 2006/0045568 (2006-03-01), Kishi et al.
patent: 2007/0237545 (2007-10-01), Cho et al.

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