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The storage system is a suspended storage system in which one or more uprights are hung from a crossbar (24) and storage elements such as shelves or cabinets are attached to the uprights (1). Each of the uprights (1) is attached to the crossbar (24) by means of a coupling hook (25) which is removabl

The storage system is a suspended storage system in which one or more uprights are hung from a crossbar (24) and storage elements such as shelves or cabinets are attached to the uprights (1). Each of the uprights (1) is attached to the crossbar (24) by means of a coupling hook (25) which is removably attached to the end of the upright (1) and removably engages with the crossbar (24). The coupling hook (25) has a hook body (26) with a pair of L-shaped hooks (34) for engagement in the slots in the upright (1) and a grub screw (33) arranged to engage with the interior wall of the upright (1) so as to prevent relative movement of the coupling hook (25) with respect to the upright (1) when attached thereto. With this arrangement of the coupling hook (25), attachment to and removal of the coupling hook (25) from the crossbar (24) does not result in consequential loosening of the attachment of the coupling hook (25) to the upright (1).

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1. A storage system comprising:a suspension crossbar; at least one upright having a plurality of slots arranged in lines along the length of the upright; one or more brackets for attachment to the at least one upright; and at least one storage element for mounting on the one or more brackets, the st

1. A storage system comprising:a suspension crossbar; at least one upright having a plurality of slots arranged in lines along the length of the upright; one or more brackets for attachment to the at least one upright; and at least one storage element for mounting on the one or more brackets, the storage system further comprising a respective coupling device for each of said at least one upright, the coupling device being adapted to hang the upright from the suspension crossbar, the coupling device comprising: a hook body adapted for engagement with the suspension crossbar, a downwardly depending wall, a slot hook projecting from the downwardly depending wall, the slot hook being adapted for engagement in a slot in the upright, and a movable holding member arranged to engage the surface of the upright facing away from the downwardly depending wall of the coupling device. 2. A storage system as claimed in claim 1 wherein the movable holding member consists of a movable finger movable between a first engaging position where a free end of the finger is in contact with the surface of the upright facing away from the downwardly depending wall of the coupling device and a second released position where said free end of the finger is free of contact with said surface of the upright.3. A storage system as claimed in claim 2, wherein the finger is in the form of a grub screw located and movable within a threaded channel in the coupling device.4. A storage system as claimed in claim 1, wherein the movable holding member consists of a movable finger movable between a first engaging position where a free end of the finger is in contact with the surface of the upright facing away from the downwardly depending wall of the coupling device and a second released position where said free end of the finger is free of contact with said surface of the upright and wherein the slot hook is arranged to project rearwardly from the downwardly depending wall through a slot in the upright and the finger is arranged at an acute angle to the inner slotted surface of the upright.5. A storage system as claimed in claim 1, wherein at least one screw hole is provided in an upper end region of said at least one upright and said coupling device further includes a lug adapted for engagement in said screw hole.6. A storage system as claimed in claim 1, wherein the downwardly depending wall of the coupling device forms part of a downwardly depending skirt adapted to surround at least three sides of an upper end region of the upright.7. A storage system as claimed in claim 1, wherein two parallel lines of slots are provided in the at least one upright and the coupling device has a pair of slot hooks arranged to engage a pair of adjacent slots in the upright.8. A storage system as claimed in claim 1, wherein the crossbar and the hook body of the coupling device include a reciprocating longitudinal bead and shoulder whereby the hook body is a snap-fit over the crossbar.9. A coupling device for use in a suspended storage system comprising a crossbar, at least one upright, at least one bracket and at least one storage element, the coupling device comprising:a hook body adapted for engagement with the crossbar of the storage system, a downwardly depending wall, a slot hook projecting from said downwardly depending wall, said slot hook being adapted for engagement in a slot in an upright of the storage system, and a movable holding member movable towards and away from the surface of the downwardly depending wall from which the slot hook projects; wherein the movable holding member consists of a finger movable between a first engaging position where a free end of the finger contacts with the surface of the upright facing away from the downwardly depending wall of the coupling device and a second released position where said free end of the finger is free of contact with said surface of the upright. 10. A coupling device as claimed in claim 9, wherein the finger is in the form of a grub screw located and movable within a threaded channel in the coupling device.11. A coupling device as claimed in claim 9, wherein the slot hook is arranged to project rearwardly from the downwardly depending wall and the finger is arranged at an acute angle to the downwardly depending wall.12. A coupling device as claimed in claim 9, comprising a pair of slot hooks arranged to engage a pair of adjacent slots in an upright of the storage system.13. A coupling device for use in a suspended storage system comprising a crossbar, at least one upright, at least one bracket and at least one storage element, the coupling device comprising:a hook body adapted for engagement with the crossbar of the storage system, a downwardly depending wall, a slot hook projecting from said downwardly depending wall, said slot hook being adapted for engagement in a slot in an upright of the storage system, a movable holding member movable towards and away from the surface of the downwardly depending wall from which the slot hook projects; and a lug adapted for engagement in a screw hole in an upright of the storage system. 14. A coupling device for use in a suspended storage system comprising a crossbar, at least one upright, at least one bracket and at least one storage element, the coupling device comprising:a hook body adapted for engagement with the crossbar of the storage system, a downwardly depending wall, a slot hook projecting from said downwardly depending wall, said slot hook being adapted for engagement in a slot in an upright of the storage system; and a movable holding member movable towards and away from the surface of the downwardly depending wall from which the slot hook projects; wherein the downwardly depending wall forms part of a downwardly depending skirt adapted to surround at least three sides of an upper end region of an upright of the storage system.