Loading apparatus with extension boom (telescopic boom) and with

Details Loading apparatus with extension boom (telescopic boom) and with Loading apparatus with extension boom (telescopic boom) and with

1977-06-22

1981-03-10

Werner, Frank E.

Material or article handling

Vertically swinging load support

Grab

13735517, 212268, 414718, B66F 922

Patent

active

042550769

ABSTRACT:
The disclosure relates to a loading apparatus comprising an outer boom and an extension boom (telescopic boom), wherein the C-shaped bight of the hydraulic line, which bight extends in a rearward direction longitudinally of the outer boom and the telescopic boom, is housed in its entirety in a space defined by the walls of the telescopic boom and the outer boom and so arranged that, in all positions of the C-bight at the movements of the bight during extension and retraction of the telescopic boom, the opposite parts of the loop in the area of transition to the C-bight are defined by two relatively fixed walls situated between adjoining surfaces of the telescopic boom and the outer boom.

REFERENCES:
patent: 3666125 (1972-05-01), Gano et al.
patent: 3672159 (1972-06-01), Sundin
patent: 3807108 (1974-04-01), Johnston
patent: 4034875 (1977-07-01), Pugh et al.

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