Patent ID: 7588242
Filing Date: 2009-09-15
Classification: B65H,G03G

Abstract:
1. A drive apparatus of a printing device, the drive apparatus comprising: a fuser drive train, the fuser drive train comprising a duplexer drive train, the duplexer drive train comprising an exit roll gear, the exit roll gear capable of being driven in a first direction and a second direction; and a bell crank swingably mounted on the frame-mounted shaft, the bell crank at least partially disposed in-between the fuser concentric idler gear and the duplexer concentric idler gear, the bell crank comprising a first lateral surface and a second lateral surface, wherein the first shaft is mounted on the first lateral surface and the second shaft mounted on the second lateral surface, and, wherein the bell crank is capable of swinging to assume one of a first position and a second position, and, wherein the bell crank in the first position is capable of coupling the fuser engaging idler gear to the exit roll gear for driving the exit roll gear in the first direction, and, wherein the bell crank in the second position is capable of decoupling the fuser engaging idler gear from the exit roll gear and coupling the duplexer engaging idler gear to the exit roll gear for driving the exit roll gear in the second direction.