Adjustable Document Feeder
Original Publication Date: 1986-May-01
Included in the Prior Art Database: 2005-Mar-09
Stack 10 of sheets to be fed is urged by pivoted pressure plate 11 against the underside of separator roll 12. Lead spring 13 is flexed a varied amount by the position of adjustment cam plate 14 to control the normal force between roll 12 and sheets of stack 10, as required, to most efficiently feed sheets of a particular surface and stiffness characteristic.