Sheet feed unit operable with smaller force and image...

Details Sheet feed unit operable with smaller force and image... Sheet feed unit operable with smaller force and image...

2005-12-21

2008-08-12

Yan, Ren (Department: 2854)

Electrophotography

Document handling

Copy

C399S023000, C399S110000, C271S009010, C271S009080, C271S145000, C400S624000, C400S625000

Reexamination Certificate

active

07412200

ABSTRACT:
A sheet feed unit for use in an image forming apparatus includes a sheet feed unit body and a sheet cassette. The sheet feed unit body includes a first frame and a first contact face provided on the first frame. The sheet cassette, which is withdrawable from the sheet feed unit body, includes a second frame, a second contact face provided on the second frame, and a separator. The second contact face is attached to the first contact face when to set the sheet cassette at a position in the sheet feed unit body. The separator is inserted between the first contact face and the second contact face to separate the sheet cassette and the sheet feed unit body, and is disengaged from the first contact face and the second contact face to set the sheet cassette at the position in the sheet feed unit body.

REFERENCES:
patent: 6739778 (2004-05-01), Fuchi et al.
patent: 6901239 (2005-05-01), Ahn
patent: 2006/0204276 (2006-09-01), Takuwa
patent: 63-277133 (1988-11-01), None
patent: 3-256932 (1991-11-01), None
patent: 06-156753 (1994-06-01), None
patent: 07/117871 (1995-05-01), None
patent: 07-179231 (1995-07-01), None
patent: 9-12164 (1997-01-01), None
patent: 2003-321133 (2003-11-01), None

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