METHOD OF OPERATING SELF-PROPELLED CRANE JIB AND DEVICE THEREFOR Russian patent published in 2016 - IPC B66C23/82

Abstract RU 2593179 C2

FIELD: construction.

SUBSTANCE: invention relates to jib cranes. Jib system comprises a jib and a counter-jib, telescopic strut of A-frame mounted on a rotary platform. Jib and counter-jib equal and symmetrically arranged with respect to axis of rotation of platform. Counter-jib can be equipped with a counterweight. Lifting, lowering and changing reach is synchronised with help of winches and rope.

EFFECT: higher carrying capacity of crane.

2 cl, 7 dwg

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RU 2 593 179 C2

Authors

Melnikov Evgenij Maksimovich

Dates

2016-07-27—Published

2014-04-28—Filed