Abstract: An element of a body of a vehicle has a substrate portion formed by a first material and an outer portion formed by a second material suitable to be coupled with each other. At least the outer portion is provided with coupling elements for releasably coupling the outer portion and the substrate portion with each other. The coupling elements are dimensioned to allow different expansion of the materials used for the substrate portion and the outer portion.

Abstract: A hydraulic arrangement is described comprising a lifting cylinder 10 for a lifting arm 12 pivotably mounted on a vehicle. A hose 22 selectively connects a working chamber 10a of the lifting cylinder 10 to a supply 16 and a return 18 line to raise and lower the lifting arm, respectively. A safety check valve 46 is connected between the hose 22 and the working chamber 10a to maintain the working chamber under pressure and avoid collapse of the lifting arm 12 in the event of rupturing of the hose 22. An accumulator 70 is connectable to the working chamber 10 of the lifting cylinder 10 by way of the safety check valve 46 to provide ride control. A solenoid 50 overrides the operation of the safety check valve 46 while the hose 22 is isolated from both the supply 16 and the return 18 line to allow fluid to flow in both directions between the accumulator 70 and the working chamber 10a to cause the lifting cylinder to act as a spring supporting the weight of the lifting arm.

Abstract: A telescopic boom arm operable between a retracted position and an extended position includes an elongate first boom section, an elongate second boom section, and a flexible hydraulic line.

Abstract: A hydraulic arrangement is described comprising a lifting cylinder 10 for a lifting arm 12 pivotably mounted on a vehicle. A hose 22 selectively connects a working chamber 10a of the lifting cylinder 10 to a supply 16 and a return 18 line to raise and lower the lifting arm, respectively. A safety check valve 46 is connected between the hose 22 and the working chamber 10a to maintain the working chamber under pressure and avoid collapse of the lifting arm 12 in the event of rupturing of the hose 22. An accumulator 70 is connectable to the working chamber 10 of the lifting cylinder 10 by way of the safety check valve 46 to provide ride control.

Abstract: A telescopic boom arm operable between a retracted position and an extended position includes an elongate first boom section, an elongate second boom section, and a flexible hydraulic line.

Abstract: A motor vehicle is provided with a cab, an engine located laterally with respect to the cab, an engine transmission operatively connected to the engine, and a telescopic lift arm which, in a front working position, is located between the cab and the propulsion mechanism. The front and rear axles receive motive power from a pair of propeller shafts. A power transfer device of a substantially rectilinear shape is provided between the engine transmission and the pair of propeller shafts. The power transfer device is defined entirely by a number of gears.