Patent ID: 9599200
Date: 2017-03-21
CPC Classifications: F16D,F16F,F16H

Claim:
1. A pulley assembly comprising: (a) an inner shaft having an upper portion and a lower portion; (b) a damping element coupled to and disposed about the upper portion of the inner shaft; (c) a one-way overrunning clutch disposed between the inner shaft and the damping element, the one-way overrunning clutch selectively permitting torque to be transferred from the damping element to the inner shaft, and substantially preventing the transfer of torque from the inner shaft to the damping element; (d) an outer pulley housing disposed about and spaced from the damping element; and (e) a torsion spring situated longitudinally along the axis of the inner shaft between the damping element and an inner portion of the outer pulley housing, the spring having a top end adjacent to the damping element and a bottom end adjacent to the interior section of the outer pulley housing, the top end of the torsion spring matingly coupled to the damping element and the bottom end of the torsion spring matingly coupled to the outer pulley housing, whereby torsional impacts to the pulley assembly are substantially reduced, and further wherein