Self-propelled crane with a telescopic boom and additional boom

Details Self-propelled crane with a telescopic boom and additional boom Self-propelled crane with a telescopic boom and additional boom

1978-04-21

1980-12-23

Oresky, Lawrence J.

Traversing hoists

Having means facilitating assembly or disassembly

212200, 212203, B66C 2300

Patent

active

042405580

ABSTRACT:
In a self-propelled crane with a crane frame constituting the base for a telescopic boom an additional boom articulatedly supported to any other part of the telescopic boom than the upper end thereof or to the crane frame and an additional supporting arm mounted to the telescopic boom on the opposed side thereof in relation to the additional boom, said additional boom being supported by a wire which is supported both in a point of the telescopic boom above the mounting point of said additional boom and by the additional supporting arm. Both the additional boom and the additional supporting arm are preferably mounted in the same or separate mounting elements which are adjustably and controllably movable along the telescopic boom or the crane frame.

REFERENCES:
patent: 229624 (1880-07-01), Marsters
patent: 256371 (1882-04-01), Reeves
patent: 339818 (1886-04-01), Soseman
patent: 984670 (1911-02-01), Heedwell et al.
patent: 3894635 (1975-07-01), Reich

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