Patent ID: 8070159
Filing Date: 2011-12-06
Classification: B65H,G03G

Abstract:
1. A sheet conveying apparatus, comprising: a downstream roller group having a downstream drive roller, a first driven roller, and a second driven roller, the downstream drive roller being in contact with the first driven roller and the second driven roller; an upstream roller group having a upstream drive roller and a upstream driven roller, the upstream drive roller and the upstream driven roller being in contact with each other; a first conveying path configured to connect between a nip between the upstream drive roller and the upstream driven roller and a nip between the downstream drive roller and the first driven roller, a second conveying path configured to connect between the nip between the upstream drive roller and the upstream driven roller and a nip between the downstream drive roller and the second driven roller; a switching guide configured to switch a conveying path of a sheet between the first conveying path and the second conveying path; a drive gear configured to drive the upstream drive roller in a direction in which the upstream roller group convey the sheet toward the downstream roller group; a first transmission-mechanism configured to transmit a drive force from the drive gear to the downstream drive roller as a rotation in a first direction; a second transmission-mechanism configured to transmit the drive force from the drive gear to the downstream drive roller as a rotation in a second direction opposite to the first direction; a switching gear configured to selectively connect in the first transmission-mechanism and in the second-transmission mechanism; and a link mechanism configured to couple the switching gear and the switching guide, wherein the switching guide switches the first conveying path when the switching gear connects in the first transmission-mechanism, and the switching guide switches the second conveying path when the switching gear connects in the second transmission-mechanism.