Patent ID: 7926803

Claim:
A media drive comprising: a media drive member, wherein the media drive member comprises a media pick tire configured to extend opposite to a stack of sheets of media and to pick individual sheets from the stack; a cam; a cam follower, wherein one of the cam and the cam follower is coupled to the media drive member; and a linear actuation mechanism coupled to the other of the cam and the cam follower to linearly move the cam and the cam follower against one another to lift or lower the media drive member away from or towards media, wherein the linear actuation mechanism comprises: a torque source; a rack having a rack gear; a pinion gear coupled to the torque source; and a first disengagement mechanism at a first end of the rack gear, the disengagement mechanism being configured to disengage the pinion gear from the rack gear in response to the pinion gear rotating in a first direction and to engage the pinion gear and the rack gear in response to the pinion gear rotating in a second direction.