Patent ID: 8820503
Filing Date: 2014-09-02
Classification: F16D,F16H

Abstract:
1. An isolator decoupler comprising: a pulley; a shaft; the pulley journalled to the shaft on a low friction bushing; a spring carrier disposed within the pulley; a torsion spring coupled between the pulley and the spring carrier; a wrap spring one way clutch wrapped about the shaft and having a frictional engagement therewith, the wrap spring one way clutch coupled to the spring carrier; the wrap spring one way clutch is disposed radially inward of the torsion spring; and the pulley temporarily engagable with an end of the wrap spring one way clutch in an unwinding direction whereby a temporary contact between the wrap spring one way clutch end and the pulley will temporarily diminish the frictional engagement of the wrap spring one way clutch with the shaft.