Hinge device, automatic document feeder, scanning unit, and...

Details Hinge device, automatic document feeder, scanning unit, and... Hinge device, automatic document feeder, scanning unit, and...

2005-10-21

2008-09-30

Mackey, Patrick (Department: 3653)

Sheet feeding or delivering

Feeding

Separator and conveyor

C271S003140, C271S010090, C399S367000, C399S380000, C016S239000

Reexamination Certificate

active

07429039

ABSTRACT:
A hinge device is configured that when a cover is opened, a support-section-side pivot shaft is guided upward by a fixed-section-side guide groove; and a fixed-section-side pivot shaft is guided while being restricted in downward movement by a support-section-side guide groove which tilts in accordance with a pivot operation of the cover. As a result, occurrence of interference between a frontward edge of the cover and an upper face of a document ejection tray can be prevented without causing the frontward edge to move lower than its position in a face-down state. In addition, chattering of the cover during the opening/closing operations can also be prevented.

REFERENCES:
patent: 799503 (1905-09-01), Tripp
patent: 1045875 (1912-12-01), Nilsen
patent: 2004/0093799 (2004-05-01), Yoshikawa et al.
patent: 2007/0084361 (2007-04-01), Dumenil
patent: 02153183 (1990-06-01), None
patent: 10252740 (1998-09-01), None
patent: 2000129993 (2000-05-01), None

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