Paper-feeding mechanism with swing arm and gear train

Details Paper-feeding mechanism with swing arm and gear train Paper-feeding mechanism with swing arm and gear train

2008-07-22

2008-07-22

Mackey, Patrick (Department: 3653)

Sheet feeding or delivering

Feeding

Separators

C271S109000

Reexamination Certificate

active

07401773

ABSTRACT:
A paper-feeding mechanism includes a paper tray for positioning print media, a pickup roller installed in front of the paper tray for pressing print media so as to pick up print media, a pickup arm fixed to a first shaft at one end and connected to the pickup roller at another end for driving the pickup roller to rotate around the first shaft, a first gear installed inside the pickup arm and connected to a first end of the pickup roller, a swing arm fixed to a second shaft at one end and connected to a second gear for gearing the first gear at another end, a third gear fixed to the second shaft and engaged with the second gear for driving the swing arm and the second gear to rotate, and a driving device for driving the third gear.

REFERENCES:
patent: 4577849 (1986-03-01), Watanabe
patent: 4978112 (1990-12-01), Yokoi
patent: 5954326 (1999-09-01), Gaarder et al.
patent: 6896253 (2005-05-01), Hanabusa
patent: 2002/0190457 (2002-12-01), Gaarder
patent: 2003/0002083 (2003-01-01), Jang et al.
patent: 2003/0075856 (2003-04-01), Park
patent: 2003/0193126 (2003-10-01), Hoberock
patent: 2004/0012139 (2004-01-01), Asada et al.
patent: 2004/0195756 (2004-10-01), Su
patent: 2005/0140082 (2005-06-01), Jung-Yun
patent: 2005/0194733 (2005-09-01), Asada
patent: 2007/0126170 (2007-06-01), Silverbrook et al.
patent: 1439529 (2003-09-01), None
patent: 2609880 (2004-04-01), None
patent: 2625152 (2004-07-01), None

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