A scroll-elliptic rear axle rear spring. It is used on Packard Light Cars. The C-shaped upper part is connected to the lower part by shackles. The end result is to use fixed distance rods and to keep the chains taunt.
GalleriesMotor Vehicle Mechanics
Homans, James E. A Practical Illustrated Treatise on Automobiles (New York, NY: Theo. Audel & Company, 1907) 72