Extended travel vibration damper assembly

A vibration damper assembly to transmit torque between driving and driven members, comprising an input member adapted to engage torque input means, a hub assembly operatively connected to torque output means, and resilient means interposed between the input member and hub assembly, said input means including a pair of spring retainer plates secured together at their peripheries and journalled on said hub assembly, each retainer plate having three circumferentially equally spaced inwardly offset drive straps defining elongated arcuate slots, said hub assembly including an internally splined hub barrel, a hub flange and three circumferentially equally spaced hub arms extending between and axially aligned with said drive straps, a spacer cup secured to said hub flange and providing a forwardly extending flange resulting in a cylindrical guide surface, three floating equalizers journalled on the cylindrical guide surface of the spacer cup, each equalizer having three circumferentially spaced arms lying in substantially the same plane as the hub arms, an arm of each equalizer located between two adjacent hub arms, and said resilient means including a group of four damper spring sets interposed between the retainer plates and between the arms of the equalizers and two adjacent hub arms, said drive straps being inwardly offset in the path of said damper springs.