Patent ID: 7628235
Filing Date: 2009-12-08
Classification: B62D

Abstract:
1. A track roller unit for a vehicle, comprising at least one pivotable subframe; at least one further pivotable subframe, each of said subframes rotatably accommodating at least one land wheel, at least said one subframe being pivotably mountable on the vehicle; at least said one further subframe being pivotally mounted on said one subframe; a track-supporting roller assembly which is pivotally mounted on one of said subframes and preloaded by a damping system hinge-mounted on one of said subframes or on the other of said subframes; and an intermediate frame, said track-supporting roller assembly being mounted on said intermediate frame such that it is pivotable around a third pivot axis, said intermediate frame being pivotally mounted on at least one of said subframes.