Building and constructional machines or vehicles
AssigneeZettelmeyer Maschinenfabrick GmbH & Co. KG Konz
InventorsRoland Spicka, Adolf Krob, Detlev Seidel, Paul Viefhaus
Life of this patent
Estimating the term…
Abstract
The running gear of a construction vehicle or the like is provided with a resilient suspension adapted to be effective in transport operations and ineffective in working operations.
Claims9
A construction vehicle, comprising running gear means, wheel axles mounted on said gear means and wheels mounted on said axles, a resilient suspension system on said running gear means for cushioning the vehicle during transport, means for pressurizing and depressurizing said system for respectively resiliently cushioning said running gear during vehicle transport and for rigidifying said running gear during a working operation, and means for locking at least one of said axles against cushioning during said working operation.
Dependencies are inferred from the claim text.