Patent ID: 9267733
Filing Date: 2016-02-23
CPC Classification: B65H,F25D,G03G

Claim Text:
1. A sheet conveyor, comprising: a first conveyance belt and a second conveyance belt to opposingly engage and convey a sheet; a first driving roller to rotate the first conveyance belt; a second driving roller to rotate the second conveyance belt; a first gear to transmit a rotation driving force to the first driving roller; and a second gear to engage the first gear and transmit, to the first gear, a rotation driving force of a driving source for rotating the second driving roller, wherein the first gear and the second gear engage each other in an opposing engagement state in which the first conveyance belt and the second conveyance belt opposingly engage and convey the sheet, and disengage from each other in a separation state in which the first conveyance belt and the second conveyance belt are separated from each other, in switching between the opposing engagement state and the separation state, an axial center of a rotation shaft of the first gear or the second gear moves on a movement plane substantially perpendicular to a direction in which the first conveyance belt and the second conveyance belt convey the sheet, and where L represents diameter of a tooth edge circle of the second gear in unit of millimeter and T