Scuffer apparatus and method

Details Scuffer apparatus and method Scuffer apparatus and method

2006-05-05

2009-12-15

Mackey, Patrick H (Department: 3653)

Sheet feeding or delivering

Feeding

With means to align sheet

C271S254000, C271S226000, C271S228000, C271S243000, C271S246000

Reexamination Certificate

active

07631868

ABSTRACT:
A retractable scuffer includes an arm with foldaway drive wheels connected thereto that are independently pivotable to ensure even drive force on a sheet. The drive wheels flips down in a counter clockwise direction as the scuffer arm is driven to an extended position by a lead screw mechanism. This provides a shallow angle of contact with the sheet and allows the sheet to be pulled against a registration gate by the drive wheels versus being pushed, thereby eliminating unwanted reaction forces inherent in existing systems that push a sheet against a registration gate.

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patent: 6908079 (2005-06-01), Milillo et al.
patent: 2004/0256782 (2004-12-01), Milillo et al.

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