CRANE AND JOINT BETWEEN CRANE SECTION ELEMENTS Russian patent published in 2016 - IPC B66C23/64 

FIELD: transport.

SUBSTANCE: claimed crane comprises the top structural part mounted at the bottom part to turn thereat and includes the column element. The latter comprises at least one first and one second segments, each having a lengthwise axis and first and second ends. Note here that second end of first segment is connected with first end of second segment. The first, third and fifth connectors are located at the first segment end and coupled with the second, fourth and sixth connectors at the second segment end. Every connector has the first adapter with a through bore. Note here that said through bore has the axis perpendicular to said lengthwise axis and located in said adapter so that through bores of coupled connectors are aligned at coupling the column segments. Every said connector has the surface subjected to compressive stress.

EFFECT: perfected joint.

22 cl, 14 dwg