Patent ID: 7390265

Claim:
A flexible coupling device for mounting on axially opposed rotatable shafts rotatable about an axis of rotation, comprising: a pair of opposing hubs, each of the hubs having a plurality of hub engaging elements extending radially outwardly there from relative to the axis of rotation; a flexible connecting sleeve having a plurality of internal sleeve engaging elements extending radially inwardly there from relative to the axis of rotation that mate with the hub engaging elements and a plurality of external sleeve engaging elements extending radially outwardly there from relative to the axis of rotation; and a pair of opposing retainers, each of the retainers having a collar disposed radially outwardly of a corresponding hub; and, an internal flange extending radially inwardly relative to the axis of rotation that restricts movement of the flexible connecting sleeve relative to the hubs and the retainers wherein the plurality of hub engaging elements, the plurality of internal sleeve engagement elements and the plurality of external sleeve engaging elements are formed as teeth.