Printing apparatus with planetary gear unit for resolving...

Details Printing apparatus with planetary gear unit for resolving... Printing apparatus with planetary gear unit for resolving...

2011-08-23

2011-08-23

Bollinger, David H (Department: 3653)

Sheet feeding or delivering

Feeding

By means to convey sheet

C271S274000

Reexamination Certificate

active

08002278

ABSTRACT:
A printing apparatus includes a housing including a feeding tray and an ejecting tray, an image forming unit disposed in the housing, a drive motor disposed in the housing, and a driving device disposed in the housing and driven by the drive motor. The driving device is adapted to convey a sheet of paper from the feeding tray onto the ejecting tray, and includes first and second driving units. The first driving unit includes a sun gear rotatable about an axis, a planet carrier rotatable about the axis, and a planetary gear disposed rotatably on the planet carrier and meshing with the sun gear. The second driving unit includes a driven gear meshing with the planetary gear. The planet carrier is pivotable relative to the sun gear to remove the planetary gear from the driven gear.

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patent: 2004/0169330 (2004-09-01), Nelson et al.
patent: 2008/0191412 (2008-08-01), Tu

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