Gantry stacker with two side-by-side spreaders

• US 20090097935A1
• Filed: 05/12/2008
• Published: 04/16/2009
• Est. Priority Date: 10/11/2007
• Status: Active Grant

• Current Assignee: Konecranes Global Corporation (Konecranes Terex Plc)
• Original Assignee: Noell Mobile Systems Gmbh (Fantuzzi SA Société De Participations Financieres)
• Inventors: Gredel, Martin, Foltys, Hubert
• Granted Patent: US 7,731,041 B2
• Time in Patent Office: Days
• US Class Current: 410/3
• CPC Class Codes: B66C 1/104 for two or more containers side by side
• CPC Class Codes: B66C 1/663 for containers fastening of containers on vehicles B60P7/13, B60P7/132
• CPC Class Codes: B66C 19/007 for containers

Abstract

A gantry stacker for transporting and stacking freight containers consists of two chassis beams with steerable wheels, supports, a hoist, an overhead frame, a lifting beam a driver'"'"'s cab and engines. There are at least two spreaders that are movable in a horizontal direction independent of each other and are disposed in a side-by-side relationship on a lifting beam. Containers deposited directly side-by-side with no gap there between may be gripped, transported and separated or that spaced-apart containers with an alley may be gripped, transported and moved toward each other so that they may be readily transported further, using multispreader systems. Containers of different heights may be gripped and transported. The lifting height allows for straddling containers standing on the floor with attached and lifted containers.

Claims

1. A gantry stacker for transporting and stacking freight containers, comprising:

two chassis beams;

wheels mounted on each of the beams;

supports mounted on each of the beams;

a lifting beam connected to each of the supports;

an overhead frame mounted on the supports;

a driver'"'"'s cab mounted to the overhead frame;

engines mounted to the overhead frame; and

at least two spreaders that are movable in a horizontal direction independent of each other, said spreaders being disposed in a side-by-side relationship on the lifting beam.

2. The gantry stacker as set forth in claim 1, wherein the wheels are steerable.

3. The gantry stacker as set forth in claim 1, wherein the wheels are individually spring-mounted.

4. The gantry stacker as set forth in claim 1, wherein at least four of the wheels are driven wheels.

5. The gantry stacker as set forth in claim 1, wherein at least four of the wheels are configured to be braked.

6. The gantry stacker as set forth in claim 1, wherein the engine is a diesel engine.

7. The gantry stacker as set forth in claim 1, further comprising an electrical drive system.

8. The gantry stacker as set forth in claim 1, further comprising a hydraulic drive system.

9. The gantry stacker as set forth in claim 1, further comprising a common rope hoist for both spreaders.

10. The gantry stacker as set forth in claim 1, wherein there are two lifting beams, and wherein the spreaders are suspended on one of the lifting beams at a front of the spreaders and on the other lifting beam at a back of the spreaders.

11. The gantry stacker as set forth in claim 1, wherein the spreaders are constructed such that two containers standing directly side by side and two containers standing directly behind each other may be straddled and transported by the gantry stacker.

12. The gantry stacker as set forth in claim 1, wherein the spreaders are horizontally rotatable.