Container lifter being able to lift two 40 feet containers

Details Container lifter being able to lift two 40 feet containers Container lifter being able to lift two 40 feet containers

2011-04-05

2011-04-05

Brahan, Thomas J (Department: 3654)

Traversing hoists

Traveling bridge

Bridge mounted motor for load lifting

C212S316000, C212S274000, C294S081100

Reexamination Certificate

active

07918354

ABSTRACT:
The invention is a container lifter which is able to lift two 40 foot containers at a time. It includes two sets of the crane main lifting mechanisms with the wire rope winding systems being separate. Pulleys arranged at the crane upper frame cooperate with two lifting pulley groups arranged on the carrier. The first crane lifting mechanism and the second crane lifting mechanism are equipped with a barrel, a crane lifting mechanism motor, a brake and a crane lifting reduction gear box respectively The two sets of the crane lifting mechanisms are synchronously operated. By using the container lifter of the invention, the efficiency of the load and unload is increased, high repayment is obtained with less increasing the equipment cost, the larger beneficial result is occurred, also it has the wider applicable prospect.

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Office Action mailed on Nov. 13, 2007 and received in the co-pending U.S. Appl. No. 11/360,463, filed Feb. 23, 2006.

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