Patent ID: 6113509
Filing Date: 2000-09-05
Classification: F16H

Abstract:
A system for acting upon a media sheet, the system comprising:an activity source device;a media roller for advancing the media sheet to the activity source device;a motor having a motor shaft, the motor spinning the motor shaft, the motor shaft defining a motor shaft axis;a mount secured to the motor shaft, the mount rotating with the spinning motor shaft;a first planetary pulley and a second planetary pulley coupled to the mount to move in unison, the first and second planetary pulleys orbiting the motor shaft axis, the first planetary pulley having a first diameter, the second planetary pulley having a second diameter;a fixed pulley centered along the axis of the motor shaft, the fixed pulley being stationary, the fixed pulley having a third diameter;a first drive belt coupling the first planetary pulley to the fixed pulley, causing the first planetary pulley to rotate about a first pulley axis while orbiting the motor shaft axis, the second planetary pulley, moving in unison with the first planetary pulley, rotating about a second pulley axis while orbiting the motor shaft axis;an output pulley coupled to the second planetary pulley, the output pulley rotating about an output pulley axis in response to the rotation of the second planetary pulley, the output pulley having a fourth diameter; andan output shaft driven by the output pulley, the media roller driven by the output shaft.