CPC B60G 5/053 (2013.01) [B60G 9/003 (2013.01); B60G 15/06 (2013.01); B60G 2200/31 (2013.01)] | 34 Claims |
1. A tandem assembly for a suspension system of a heavy-duty vehicle comprising:
a front suspension assembly pivotally attached to a main member of said heavy-duty vehicle;
a rear suspension assembly pivotally attached to said main member; and
a single mechanical spring, a first end of said mechanical spring being operatively engaged with a longitudinally extending front beam of said front suspension assembly, a middle portion of the mechanical spring being operatively engaged with the main member, and a second end of said mechanical spring being operatively engaged with a longitudinally extending rear beam of said rear suspension assembly.
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