Paper pickup mechanism

Details Paper pickup mechanism Paper pickup mechanism

2006-01-24

2006-01-24

Walsh, Donald (Department: 3653)

Sheet feeding or delivering

Feeding

Separators

C271S118000, C074S397000, C074S414000

Reexamination Certificate

active

06988722

ABSTRACT:
A paper pickup mechanism located on one side of a feeding paper tray consists of a pickup roller, a plurality of gears and a plurality of linkage bars to form a highly free mechanism that drives the pickup roller rotating in the paper feeding direction and generating a torque to enable the pickup roller exerting a force on the top paper of the paper tray and provide an automatic compensating paper pickup force. By rearranging the structural locations of the elements, fewer gears are required to transmit the driving power, and energy loss and noise generation are reduced.

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patent: 5547181 (1996-08-01), Underwood
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patent: 6311973 (2001-11-01), Tanaka et al.
patent: 6547236 (2003-04-01), Yip et al.
patent: 6648322 (2003-11-01), Park
patent: 2004/0007807 (2004-01-01), Fujiwara
patent: 59-31231 (1984-02-01), None
patent: 3-267228 (1991-11-01), None
patent: 4-140230 (1992-05-01), None

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