Patent ID: 8126365
Filing Date: 2012-02-28
Classification: B41J,G03G

Abstract:
1. A belt rotating apparatus comprising: a circular belt; a plurality of rollers about which the belt is entrained, the plurality of rollers including a drive roller which rotates the belt and an inclination change roller which is configured to change its own inclination; a belt side edge sensor which measures a position of a belt side edge in a belt width direction of the belt; a cutting unit configured to trim the belt side edge; and a control unit controlling the inclination of the inclination change roller such that the belt side edge is returned to a position in the belt width direction substantially identical to that at a start of rotation after one turn of the belt based on measurement information from the belt side edge sensor, wherein the cutting unit operates to trim the belt side edge which is rotated to return to the position in the belt width direction substantially identical to that at a start of rotation after one turn of the belt according to control of the control unit such that the belt side edge is position within a measurement range of the belt side edge sensor.