Triangle Suspension Systems Inc. produced the first multi-leaf spring earlier this month at its new short-run plant in Punxsutawney, Pa. Since 1919, the Triangle name has been synonymous with steel ...

It is said that the leaf-spring suspension is the oldest suspension used for automobiles. The leaf-spring system was used more recently in '70s production cars, some of which are still in service ...

If drum brakes and flat-tappet camshafts are old-school technology, then springs are quite literally ancient. In some respects the wooden bows and catapults used by medieval knights to bludgeon their ...

Composite leaf springs are not new to the automotive industry. In fact, the leaf spring itself dates back to the horse-drawn carriage. By design, leaf springs absorb vertical vibrations caused by ...