Patent ID: 7287949

Claim:
A mobile apparatus for earth moving and other operations, such as lifting and displacing loads, the apparatus comprising: a frame displaceable on wheels or caterpillar tracks, an articulated operating arm supported by the frame for carrying an implement, the operating arm consists of at least three articulations connected to each other at pivot points for mutual pivoting on a lying axis, one or more motors for driving the wheels or caterpillar tracks and moving the operating arm, and a plurality of control members for controlling movement of the articulations, wherein the at least three articulations comprise first, second and third adjacent articulations, said second articulation having a first end connected to the first articulation at a first pivot point and having a second end connected to the third articulation at a second pivot point, said first, second and third articulations being foldable against each other resulting in folding-up to a single arm, wherein the second end of the second articulation is being folded against the first articulation, and, wherein the last, third articulation of the operating arm has a greater length than the second articulation, such that when the articulations are folded against each other the implement is freely usable at an outer end of the first articulation.