Patent ID: 8508820
Filing Date: 2013-08-13
Classification: B65H,G03G,H04N

Abstract:
1. A transported material transporting device comprising: a transporting roller configured to transport a material to be transported on a transport path by rotating in a direction of normal rotation; a discharging roller configured to discharge the material to be transported on the transport path by rotating in the direction of normal rotation, deliver the material to be transported to the transporting roller via a reversing path by rotating in a direction of reverse rotation, and be capable of assuming a nipped state and a released state; a drive motor that serves as a driving source of the transporting roller and the discharging roller; a nip-release switching mechanism configured to switch the state of the discharging roller between the nipped state and the released state by the rotational position of a cam drive gear; a planetary gear mechanism including a first planetary gear configured to transmit a power to the cam drive gear when the drive motor rotates in one direction and a second planetary gear configured to transmit the rotation in the same direction as the first planetary gear to the cam drive gear via an intermediate gear when the drive motor rotates in the other direction; a power transmission switching mechanism configured to switch the transmission of the power between the intermediate gear and the cam drive gear between a transmitted state and a blocked state; a detection lever provided in the reversing path and configured to detect the presence or absence of the material to be transported which enters the reversing path; and a blocked-state locking mechanism configured to lock the blocked state of the power transmission switching mechanism when the discharging roller is in the released state, wherein the locked state of the blocked-state locking mechanism is released and the power transmission switching mechanism is switched from the blocked state to the transmitted state upon detection of the position of the trailing end of the material to be transported entering the reversing path by the detection lever.