Transport-object transporting device and image processing apparatus

摘要

A transport-object transporting device includes a power-transmission blocking mechanism that blocks the transmission of power at an intermediate point of the cam driving gear train so as to maintain the discharge roller in the release position. The power-transmission blocking mechanism includes an engaged portion provided in the rocking arm, and an engaging portion whose engagement position thereof relative to the engaged portion is changeable by changing a rocking direction of the rocking arm. When the engaging portion is set at a predetermined engagement position relative to the engaged portion, the first planetary gear and the second planetary gear are both kept away from the cam driving gear.