System and method for controlling the movements of container...

Handling: hand and hoist-line implements – Spacing hoist bar or frame – Load supporting units

Reexamination Certificate

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C294S081210

Reexamination Certificate

active

07152895

ABSTRACT:
A system and method for controlling the telescopic movements of two telescopic beams moving inside a spreader frame, and the locking movements of the twistlocks in the telescopic beams. The telescopic movement of the telescopic beams are held in position at a desired place in relation to the frame with locking members. The system has a joint multi-rope lever system for performing the telescopic movement of the telescopic beams and the locking movements of the twistlocks. The system has an actuator operating the multi-rope lever system. The system also includes a control system supervising and controlling the actuator and the lever system.

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