Intermediate coupling unit between two image forming...

Details Intermediate coupling unit between two image forming... Intermediate coupling unit between two image forming...

2011-06-07

2011-06-07

Porta, David P (Department: 2884)

Electrophotography

Having particular structure

C399S110000, C399S405000

Reexamination Certificate

active

07957667

ABSTRACT:
Provided are intermediate coupling unit that can maintain universal applicability of image forming apparatus so it can singly form images/be installed in small offices, but can also couple two apparatuses if necessary, and image forming apparatus adaptable to this unit. Intermediate coupling unit includes carry-in port at lower surface right side, plural conveying roller pairs sandwiching and conveying internally-carried-in recording medium, discharge ports formed near upper surface right/left ends for externally discharging recording medium, first/second flaps switching among conveying paths, A, B, C, paper discharge tray fixed at upper internal position, and internal paper feed cassette detachable downward. Two identical-shape printers are linked through conveying path A and enable double-speed-printing when coupled to top/bottom of intermediate coupling unit to face same direction, and linked through conveying path B and enable fast-double-side-printing when coupled to face opposite directions.

REFERENCES:
patent: 4972236 (1990-11-01), Hasegawa
patent: 5150167 (1992-09-01), Gonda et al.
patent: 5162845 (1992-11-01), Ariyama et al.
patent: 04296772 (1992-10-01), None
patent: 09-054465 (1997-02-01), None
patent: 2005-028598 (2005-02-01), None
patent: 2007-163809 (2007-06-01), None

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