US 10,294,044 B2Granted

Port lift beam system

AssigneeMi-Jack Products, Inc.

InventorsJohn J. Lanigan, Sr., Myron Glickman, Ralph Swanson, Eric Van Gorp, Martin Conneally

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Abstract

A system for handling shipping containers includes first and second lifting beams and first and second holding beams. The system further includes a plurality of vertical beams wherein the plurality of vertical beams support the first and second lifting beams and the first and second holding beams. In the system, first and second pluralities of lifting shoes are disposed respectively on each of the first and second lifting beams while first and second pluralities of holding shoes are disposed respectively on each of the first and second holding beams. The system also has a hoisting mechanism that raises and lowers the first and second lifting beams, and the first and second lifting beams, the first and second holding beams, the plurality of vertical beams, and the hoisting mechanism are arranged to form a lift beam system.

Claims24

Dependent claims

A system for handling shipping containers comprising:

first and second lifting beams forming a lower containment cavity;
first and second holding beams forming an upper containment cavity;
a plurality of vertical beams wherein the plurality of vertical beams support the first and second lifting beams and the first and second holding beams;
a hoisting mechanism that raises and lowers the first and second lifting beams;
first and second pluralities of lifting shoes disposed respectively on each of the first and second lifting beams and configured to support the shipping container when the shipping container is in the lower containment cavity or as the shipping container is raised to or lowered from the upper containment cavity;
and
first and second pluralities of holding shoes disposed respectively on each of the first and second holding beams and configured to support the shipping container when the shipping container is in the upper containment cavity;
wherein the first and second lifting beams are configured to transfer the shipping container between the lower containment cavity and the upper containment cavity;
and
wherein the first and second lifting beams, the first and second holding beams, the plurality of vertical beams, and the hoisting mechanism are arranged to form a lift beam system.

7 more elements

Dependencies are inferred from the claim text.