Automatic document feeder capable of allowing easy removal...

Details Automatic document feeder capable of allowing easy removal... Automatic document feeder capable of allowing easy removal...

2007-05-16

2009-06-23

Joerger, Kaitlin S (Department: 3653)

Sheet feeding or delivering

Feeding

Separator and conveyor

C271S010010, C271S010080, C400S185000, C400S186000, C400S569000

Reexamination Certificate

active

07549627

ABSTRACT:
An automatic document feeder includes a driving wheel, a clutch unit, and a plurality of roller units. The clutch unit is disposed in a housing unit, and includes a first wheel driven by the driving wheel, a second wheel for driving the roller units, a resilient member interposed between the first and second wheels for biasing the second wheel to move away from the first wheel, and a driving rod. The driving rod is movable between a connecting position whereat the second wheel engages the first wheel so as to allow for transfer of rotation between the first and second wheels, and a disconnecting position whereat the second wheel is disengaged from the first wheel so as to prevent transfer of rotation between the first and second wheels.

REFERENCES:
patent: 4976557 (1990-12-01), Uchikata
patent: 5184902 (1993-02-01), Harada et al.
patent: 5482388 (1996-01-01), Harada
patent: 5902058 (1999-05-01), Koike et al.
patent: 6206368 (2001-03-01), Kobayashi et al.
patent: 6578840 (2003-06-01), Kudo
patent: 6672581 (2004-01-01), Lee et al.
patent: 6837489 (2005-01-01), Kim
patent: 7306216 (2007-12-01), Lee et al.

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