Metso Dynapac Gmbh

Maschinenfabrik Klaus-gerd Hoes Gmbh & Co., Kg

Gerold Wöbken

Hans Ruge

Stefan Fischer

This invention is road milling machine with a chassis () having at least four wheels of which the front four wheels () are assigned to a parallelogram steering axle (). The parallelogram steering axle () guides the front wheels () such that their wheel axles () remain in constant horizontal alignment even when the front wheels () run at different heights.

Road milling machine

A tensioning device, especially for endless chains of a tracklaying vehicle, is provided which is formed as a working cylinder which is connected to a pressure-regulated hydraulic source and whose cylinder chamber, which guides a tensioning piston pressing against the guide wheel, is provided with an outlet comprising a pressure relief valve and an inlet, connected to the hydraulic source, with an incorporated nonreturn valve.

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Elsfleth, Germany

Gerold Wöbken