HARVESTER CRANE Russian patent published in 2010 - IPC B66C23/42 

FIELD: transport.

SUBSTANCE: invention relates to harvester crane. Proposed crane comprises set of booms secured by support and rotary device to machine running gear. Said set of booms comprises main boom with its lower end suspended by lower hinge to aforesaid support and articulated boom hinged by upper hinge to opposite end of said main boom with its trajectory passing, mainly forward from the main boom. Lifting and transfer actuators actuate said booms. Main boom hinge is arranged at the bottom nearby rotary device, said support representing a yoke. Lower run and lifting cylinder are arranged at least partially, inside said yoke.

EFFECT: increased lifting capacity, protection of lifting cylinder.

9 cl, 5 dwg