In either case, the power applied imparts non rotary, {HEAD ~ planetary motion} to {TAIL ~ the power transmission ring} to turn the eccentric about the axis of the power shaft, thereby rotating the power shaft at the same speed at which each of the cranks is rotated but with more torque 
In either case , the power applied imparts non rotary , { HEAD ~ planetary motion } to { TAIL ~ the power transmission ring } to turn the eccentric about the axis of the power shaft , thereby rotating the power shaft at the same speed at which each of the cranks is rotated but with more torque
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH