Retractable platen for document reading devices

Details Retractable platen for document reading devices Retractable platen for document reading devices

1991-03-13

1993-07-06

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

355230, 355231, 355234, H04N 104

Patent

active

052259170

ABSTRACT:
A document reading device for sheet-through type image forming equipment. The device has a document laying member located in a reading position and implemented as a glass platen. The glass platen is protected from damage when a document pressing member in the form of a back-up roller is inadvertently let fall or hits against the glass platen.

REFERENCES:
patent: 4417260 (1983-11-01), Kawai et al.
patent: 4610530 (1986-09-01), Lehmbeck et al.
patent: 4910612 (1990-03-01), Yamazaki et al.

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