TELESCOPIC SPREADER Russian patent published in 2014 - IPC B66C1/66 

FIELD: machine building.

SUBSTANCE: spreader comprises a body with two extending frames with twist locks. Mechanisms for extending frames' telescoping with rack gear and torque limiting clutch are mounted on the body. The body is coupled with the extending frames by double-link maximal stroke limiters, and current lead cables for frame mechanisms are attached to them. The extending frames are fitted by folding drive limiters operating at clamping of a container with intermediate length. The twist locks and their drive are coupled by cranks and rods so that when the drive crank turns by 180°, the cranks of the locks turn by 90°.

EFFECT: greater accuracy of stopping the extending frames and twist locks in specified positions, reliability.

4 cl, 13 dwg