Successive movement of rails within drawer slides, i.e. at least one rail element is not moving during the movement of other elements

Full Title

Drawers for tables, cabinets or like furniture; Guides for drawers (A47B63/02 takes precedence; drawers coupled to doors A47B96/16) > Sliding drawers; Slides or guides therefor > Sequencing or synchronisation of drawer slides or functional units > Successive movement of rails within drawer slides, i.e. at least one rail element is not moving during the movement of other elements