G - Physics – 03 – G
Patent
G - Physics
03
G
314/33, 101/42
G03G 13/16 (2006.01) F16C 13/00 (2006.01) G03G 15/16 (2006.01)
Patent
CA 1077342
Abstract of the Disclosure A pressure roller is composed of a plurality of roller sections, one of said roller sections having a greater dia- meter than the residual ones. All sections are carried by a common shaft, but the sections having a smaller diameter are eccentrically located on the shaft and freely rotatable thereabout. In this way, by turning the shaft the smaller sections may selectively become situated in such a relation versus the larger ones that the periphery of all sections acquire a common tangent plane in view of an opposed surface. The opposed surface may be a xerographic drum or belt and the pressure roller, after applying a suitable electric DC poten- tial to it, may serve as part of transfer device adapted for being used for the transfer of toner image towards a paper passing between the nip of the pressure roller and the xero- graphic drum or belt, whereby the effective width of the pressure roller is a function of the width of the paper.
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