Handling apparatus for goods transport containers

• US 4,184,708 A
• Filed: 05/26/1976
• Issued: 01/22/1980
• Est. Priority Date: 05/27/1975
• Status: Expired due to Term

• Current Assignee: Modular Distribution Systems Ltd.
• Original Assignee: Modular Distribution Systems Ltd.
• Inventors: Allen, David, Rowley, Robert J.
• Primary Examiner(s): Marbert, James B.
• Application Number:
  US05/690,301
• Time in Patent Office: 1,336 Days
• Field of Search: 294/81 SF, 294/67 R, 294/67 D, 294/67 DA, 294/67 DB, 294/67 DC, 214/621, 214/302, 214/152, 214/730, 214/515, 214/392
• US Class Current: 294/67.1
• CPC Class Codes: B65D 90/146 Detachable combined legs

Abstract

Handling devices for use in containerized transport systems are adapted for temporary but rigid attachment to the ends of a container. Each device comprises a frame provided with (a) locking devices to engage the standard ISO castings or like fittings of the container, (b) power-operable extending legs with feet, which legs can be extended into ground contact and lift the container to permit loading on to a vehicle or off-loading, and (c) sockets for engagement by the prongs of a fork-lift machine to facilitate handling of the device when being fitted to or removed from the container.

Claims

1. A handling device for containerised transport systems, which device has a frame for attachment to the end wall of a container, said frame comprising spaced uprights and cross-members joining the uprights, the frame having extendable legs slidable vertically relative to the uprights and power means to effect the vertical sliding of the legs, and the frame being adapted for rigid attachment to an end of a container by means of first locking devices which project at one face of the frame adjacent the upper ends of its side uprights, the first locking devices being adapted for locking engagement with upper ISO castings or the like fittings of the container, and by means of second locking devices which also project at said face of the frame for locking engagement with bottom ISO castings or the like of the container, and the frame also having sockets for receiving prongs of a fork-lift machine, which sockets open in a direction facing away from the opposite face of the frame.

2. A handling device according to claim 1, wherein said first locking devices are adjustably mounted on projections extending from said one face of the frame, which projections in use extend over the upper ISO castings or like fittings so that the first locking devices engage the upper castings or fittings by downward movement.

3. A handling device according to claim 1, wherein the frame also has further fork-lift prong-receiving sockets facing laterally of the frame.

4. A handling device according to claim 3, having the sockets adjacent the upper end of the frame.

5. A handling device according to claim 3, having the sockets at about mid-height of the frame.

6. A handling device according to claim 5, wherein the sockets are provided by fixed sub-frame structure rigid with and projecting from the face of the frame remote from the locking-device-carrying projections.

7. A handling device according to claim 1, wherein mechanical means are provided coupling the first locking devices together for simultaneous operation, and operating means extend downwardly from the mechanical means to permit remote actuation of the first locking devices.

8. A handling device according to claim 7, wherein the first locking devices are rotatably mounted and are coupled together for operation by a linkage actuated by shafting extending upwards from adjacent the bottom of the frame, and means to rotate the shafting.

9. A handling device according to claim 8, wherein the shafting terminates at its lower end in a handle for rotating the shafting, the handle being lockable in positions corresponding to the locked and unlocked settings of the first locking devices.

10. A handling device according to claim 1, wherein means are provided to vary the vertical spacing of the first and second locking devices.

11. A handling device according to claim 10, wherein said means comprises sleeves slidable up and down on the uprights of the frame, the second locking devices being carried by the sleeves.

12. A handling device according to claim 11, wherein the extendable legs have feet at their lower ends, and the sleeves rest freely on the feet whereby the sleeves can be raised and lowered by extending and retracting the legs.

13. A handling device according to claim 11, wherein the sleeves also carry third locking devices for attachment of the handling device to half-height containers, the third locking devices being at a height between the first and second locking devices.

14. A handling device according to claim 1, having the second locking devices carried by means allowing limited freedom of movement of the devices in two directions at right angles and normal to the axes of the locking devices.

15. A handling device according to claim 14, wherein each second locking device is carried by a stirrup pivoted to an arm which is itself pivoted on the frame.

16. A handling device according to claim 1, wherein the frame includes hollow uprights slidably housing the extendable legs, each hollow upright also accommodating an operating ram for the leg which ram is connected by pivots to an upper part of the upright and to a lower part of the leg, the pivot axis for the upper part extending in a direction at right angles to the pivot axis for the lower part.

17. A handling device according to claim 16, the hollow uprights and legs being of rectangular, e.g. square, cross section.

18. A handling device according to claim 16, the hollow uprights being the side uprights of the frame.

19. A handling device according to claim 16, the hollow uprights being hinged to the side uprights of the frame to swing outwardly from a stowed position in recesses in the side uprights to an operative position.

20. A handling device according to claim 1, wherein the frame also includes fixed steady members which are offset from the legs and which come into ground contact when the extendable legs are fully retracted.

21. A handling device according to claim 11, comprising rollers on the sleeves adjacent their lower ends to make contact with the container when attaching the device to it.

22. A handling device according to claim 1, wherein the frame includes hollow uprights slidably housing the extendable legs, each hollow upright also accommodating an operating ram for the leg, which ram is connected by pivots to an upper part of the upright and to a lower part of the leg so as to relieve the ram of side loads.

23. A handling device for containerized transport systems, which device comprises a frame of spaced uprights and cross-members joining the uprights, the frame having power-extendable legs and being adapted for rigid attachment to an end of a container by means of first locking devices which project at one face of the frame adjacent the upper ends of its side uprights, the first locking devices being adapted for locking engagement with upper ISO castings or the like fittings of the container, and by means of second locking devices which also project at said face of the frame for locking engagement with bottom ISO castings or the like of the container, said uprights being hollow and housing the extendable legs, each hollow upright also accommodating an operating ram for the leg housed within the said upright, which ram is connected by pivots to an upper part of the upright and to a lower part of the leg so as to relieve the ram of side loads.

24. A handling device as claimed in claim 23 wherein the pivot axis for the upper part extends in a direction at right angles to the pivot axis for the lower part.

25. A lifting and lowering device for attachment to goods containers with ISO castings or the like fitments, which device comprises a post, an extendable leg in telescoping engagement with the post so as to be extendable and retractable relative to the post, an operating ram within the post for effecting extension and retraction of the leg, said ram being connected by pivots to an upper part of said post and to a lower part of the leg so as to relieve the ram of side loads, said post being adapted for attachment to a goods container by means of first locking devices at the upper end of the post for locking engagement with upper ISO castings or the like fittings of the container, and by means of second locking devices for locking engagement with lower ISO castings or the like fittings of the container.

26. A device as claimed in claim 25 wherein the pivot axis for the upper part extends in a direction at right angles to the pivot axis of the lower part.

27. A device as claimed in claim 25 further comprising sockets carried by said device for receiving prongs of a fork-lift machine for mounting and demounting said device on and from a goods container.

28. A device as claimed in claim 25 wherein said post is of non-circular section, and said extendable leg is housed within the post and is of corresponding section.

29. A handling device for containerized transport systems, comprising a hollow post, a first locking device for engagement with a container at its top and mounted adjacent the upper end of the post to extend downwardly at a location offset from the axis of the post, an extendable leg slidable vertically within the post, a ram housed within the post and connected between the post and the leg to effect extension and retraction of the leg, a second locking device for engagement with the bottom of a container, means mounting the second locking device for vertical sliding adjustment relative to the post and the leg to vary the vertical spacing of the first and second locking devices, means connected to the first locking device to remotely effect locking of the first locking device to a container, and socket means carried by the handling device for engagement by the fork of a fork-lift machine for mounting and demounting the handling device on and from a container.

30. A device as claimed in claim 29 wherein said mounting means comprises a sleeve adjustably slidable on the post and having said second locking device mounted thereon.