Mobile apparatus for earth moving and other operations such...

Details Mobile apparatus for earth moving and other operations such... Mobile apparatus for earth moving and other operations such...

2007-10-30

2007-10-30

Underwood, Donald (Department: 3652)

Material or article handling

Vertically swinging load support

Shovel or fork type

C414S694000, C414S722000

Reexamination Certificate

active

10503851

ABSTRACT:
Disclosed is a mobile apparatus for earth moving and other operations, such as lifting and displacing loads. A frame is displaceable on wheels. An articulated operating arm is supported by the frame for carrying an implement, for instance a container, a digger bucket or wrecking hammer. One or more motors drive the wheels and move the operating arm. The operating arm consists of at least three articulations connected to each other for mutual pivoting on a lying axis. A control member such as a hydraulic cylinder is arranged between each pair of articulations. The third articulation has a greater length than the second one, such that when the articulations are folded against each other, the implement can be freely used at the free end of the first articulation. Thus, the last articulation can be transformed from an articulated arm into a single lifting arm.

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