The change of generations
Around 1990, the time had come: the 1st generation of the USM Haller design classic was replaced by the 2nd generation of the system furniture. There were some changes, new components, elements and functional transformations of the furniture. Reason enough to take a closer look at both generations for you.
If you put the two generations side by side, you can't tell the difference at first glance. As is so often the case, the devil is in the details: The biggest problems you will have - at the latest during a planned redesign or disassembly - are the connectors! While the outer elements of the two USM Haller generations pose no problems whatsoever for assembly and disassembly, the connectors of the 1st generation have been replaced by connectors that definitely differ in handling.
Connector 1st generation
Consisting of three elements
(1 x screw, 2 x external clamps / thread).
Disassembly is only possible with a
connector puller of the 1st generation.
Connector 2nd generation
Consisting of two elements
(1 x screw incl. plastic cover,
1 x external thread)
Assembly and disassembly is possible with a 2nd generation tool set.
Once you know which generation your furniture is, the whole thing gets a little easier! For each generation there is an available tool set, with which you can assemble, disassemble and reconstruct your system furniture at will. If you are still unsure, it is best to choose the Rudi tool set. This is suitable for both generations.
Conclusion
Although the differences are generally within limits and one can definitely not speak of a new system furniture, the two generations can still be distinguished from each other in handling. Overall, the disassembly of the USM Haller furniture from the 1st generation is somewhat more complex, but visually almost no differences are visible for a design specialist! The rest is a matter of taste and habit.