Tapered Multileaf Springs Lighten a Tandem Suspension 680119

This paper deals with a new 38,000 lb capacity truck tandem suspension of light weight. Four taper-leaf springs, each assembly consisting of two leaves, are arranged to provide a two-stage spring action. Equalization of load between axles is obtained through a long equalizer pivoted at the center. Load is distributed along the truck frame at six mounting points. Acceleration and braking forces are transmitted through torque eye leaves. Rubber bushings eliminate the need for lubrication at the pivot points.


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