Image reading apparatus and image forming apparatus having...

Details Image reading apparatus and image forming apparatus having... Image reading apparatus and image forming apparatus having...

2005-10-18

2005-10-18

Yan, Ren (Department: 2854)

Electrophotography

Document handling

Original

C355S076000

Reexamination Certificate

active

06957037

ABSTRACT:
This present invention provides an image reading apparatus aiming at improving its operability while saving the cost and an image forming apparatus provided with the same. Sponges for pressing a pressing plate against a platen glass are constituted of nine sponges. Then, restoration forces Fa to Fc generated when sponges on a front side of a document feeding apparatus far from a fulcrum shaft of a hinge unit are crushed are set smaller than restoration forces Fg to Fi generated when sponges on a deep side of the document feeding apparatus near the fulcrum shaft45of the hinge unit are crushed.

REFERENCES:
patent: 6131898 (2000-10-01), Hiroi et al.
patent: 6405017 (2002-06-01), Takahashi et al.

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