Roller truck for laying transportable bridges or thin parts

摘要

The truck has a rotary rocker arm (3) support (1) mounted on a lateral support bolt (2) on the laying vehicle jib. On the rocker arm support are mounted four rollers (5), running in guide tracks of the bridge etc. The four rollers form two pairs in two rocker arms.The rocker arms are each secured to the rocker arm support by a support bolt (4). The two support bolts form with the respective rocker arms on integral, unreleasable unit. Pref. in the rocker arm support are fitted bushings (6) for the support bolts.