Paper pickup mechanism

Details Paper pickup mechanism Paper pickup mechanism

2007-07-31

2007-07-31

Mackey, Patrick (Department: 3653)

Sheet feeding or delivering

Feeding

Separators

C271S117000, C074S396000

Reexamination Certificate

active

10796078

ABSTRACT:
A paper pickup mechanism mounted in a feeder includes several driving gears, connecting rods, a pickup roller and a twist restricting gear. By means of the twist restricting gear, the paper pickup mechanism provides an equal pickup force under different paper loads. Furthermore, the operational precision of the pickup roller is improved via relative motion with the twist restricting gear.

REFERENCES:
patent: 5527026 (1996-06-01), Padget et al.
patent: 5547181 (1996-08-01), Underwood
patent: 6547236 (2003-04-01), Yip et al.
patent: 6690909 (2004-02-01), Su
patent: 6877735 (2005-04-01), Fujiwara
patent: 6988722 (2006-01-01), Su

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