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US 4,326,915 AGranted
Sheet de-curler
AssigneeXerox Corporation
InventorEdward C. Mutschler, Jr.
Life of this patent
Estimating the term…
Abstract
An apparatus in which sheet material is decurled. The apparatus presses the sheet material into contact with a substantially rigid arcuate member in at least two regions. In this way, the sheet material moves about the arcuate member in a curved path to remove the curl therein.
Claims7
An apparatus for de-curling sheet material, including:
- a first substantially rigid rod;
- a first pair of substantially rigid rollers, one of said first pair of rollers contacting said first rod in a first contact region and the other of said first pair of rollers contacting said first rod in a second contact region;
- means for rotating said first pair of rollers to move the sheet material through the contact regions to bend the sheet material about said first rod in a first direction;
- a second substantially rigid rod;
- a second pair of substantially rigid rollers, one of said second pair of rollers contacting said second rod in a first contact region and the other of said second pair of rollers contacting said second rod in a second contact region;
- and
- means for rotating said second pair of rollers to move the sheet through the contact regions to bend the sheet material in a second direction opposed to the first direction.
4 more elements
Dependencies are inferred from the claim text.