Patent ID: 8292766

Claim:
An overrunning, isolating decoupler pulley, comprising: a shaft; a pulley body disposed about the shaft, the pulley body and shaft rotatable with respect to each other in a first direction by at least a first angular displacement and in an opposing second direction by at least a second angular displacement; each of the pulley body and shaft having engagement features that engage upon sufficient rotation between the pulley body and the shaft, wherein the engagement features, when engaged, prevent further rotation between the pulley body and the shaft in a given direction; a resilient member disposed between the pulley body and the shaft, wherein the resilient member is compressed between the engagement features of the pulley body and the shaft upon sufficient rotation between the pulley body and the shaft; and a hard stop comprising a first feature, coupled to the pulley body and disposed radially inward of the pulley body, and a second feature, coupled to the shaft and disposed radially outward of the shaft, wherein the first and second features are configured to contact each other upon a desired amount of relative rotation between the pulley body and the shaft in a given direction to prevent further relative rotation between the pulley body and the shaft in the given direction to prevent compression of the resilient member beyond a desired amount.