Upper block

Details Upper block Upper block

B - Operations, Transporting

66

C

B66C 15/02 (2006.01) B66D 3/04 (2006.01)

Patent

CA 2503744

A crane having an upper block, a lower block, a drum, and two ropes. The upper block includes an equalizer having a yoke to which the ropes are connected. The connections between the ropes and the yoke include load cells that measure the forces carried by each of the ropes. The upper block includes a fail-safe system that prevents failure of the upper block in overload conditions.

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