Disturbance Feature to Promote Image Process Member Drive Train Engagement

摘要

Discrete disturbance features are included in a process member drive train coupling mechanism to prevent the mechanism from remaining in a disengaged position. The mechanism may include a rotatable drive receiver operative to rotate an electrophotographic imaging process member and a coupler including a driver. The driver and drive receiver may include respective mating drive features to transmit rotary drive forces to the process member. The coupling mechanism includes one or more disturbance features located at discrete radial positions relative to a rotation axis of the coupler at an interface between the driver and the drive receiver. As the coupler rotates, the disturbance feature disrupts the position of the coupler to align the driver and drive receiver and move the coupler towards an engaged position in which the first and second drive features are engaged.