Image forming apparatus with conveyance unit regulating...

Details Image forming apparatus with conveyance unit regulating... Image forming apparatus with conveyance unit regulating...

2005-12-14

2008-12-30

Grainger, Quana M (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

Reexamination Certificate

active

07471917

ABSTRACT:
An image forming apparatus including: a conveyance unit including a belt member stretched across at least a drive roller and a driven roller and conveys a recording medium and a casing that axially supports the drive roller and the driven roller; a body frame disposed with an image carrier for transferring an image to the recording medium; and a cover to which the conveyance unit is attached, is pivotably attached to the body frame, and opens/closes off the image carrier. A first regulating portion against which an annular member placed on a shaft portion of the drive roller abuts when the cover pivots toward the body frame to close off the image carrier and a second regulating portion with which an engagement portion formed in the casing in a direction orthogonal to the axial direction of the drive roller engages are formed on the body frame.

REFERENCES:
patent: 5342033 (1994-08-01), Iwata et al.
patent: 6343198 (2002-01-01), Sato
patent: 6950619 (2005-09-01), Sunohara
patent: 2005/0036804 (2005-02-01), Yokoi
patent: 2005/0147432 (2005-07-01), Miura et al.
patent: 11153893 (1999-06-01), None
patent: 2001-201982 (2001-07-01), None

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