Electrophotography – Document handling – Copy
Patent
1996-08-30
1999-03-23
Lee, S.
Electrophotography
Document handling
Copy
271161, G03G 1500
Patent
active
058872396
ABSTRACT:
An image-related device has an image-medium receiving tray. The tray is designed by a method that enables the tray to control the contouring of sheets of image medium during reception. The tray has a planar surface and a curved surface. The curved surface is designed by selecting a series of transverse and longitudinal curves to define a curved surface that is generally concave in the transverse direction while also sloping upward in the longitudinal direction. The combined concave and sloped shape of the curved surface causes the leading-edge region of the image medium to transversely curl and thereby obtain sufficient rigidity to extend beyond the front end of the tray. In addition, the curved surface--operating in conjunction with the kickout mechanism of the device--interacts with sheets of medium in a way that causes the sheets to land on top of each other instead of sliding against each other, thereby reducing the possibility of smearing while at the same time producing a neat, evenly stacked pile of media.
REFERENCES:
patent: 4619450 (1986-10-01), Anderson et al.
patent: 5419548 (1995-05-01), Ueda et al.
Hong Juehui
Kennedy Michael
Zepeda Caroline
Hewlett--Packard Company
Lee S.
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