The invention relates to a frame system for installation in a piece of work furniture, in particular a piece of sanitary work furniture, comprising a first frame module and a second frame module, wherein the first and the second frame module each have at least one insertion opening for inserting at least one pre-installed functional component for a user, wherein the respective insertion opening has a quadrangular cross-section, and wherein the first and second frame modules can be fixed to each other by means of a tool-free connection.

Systems, methods and apparatus are provided through which in some implementations an expandable or adjustable snap-in cam or other friction device having a mechanically lockable drawer, shelf or divider in a cabinet, pantry, kitchen cupboard mount includes no screws or other permanent mounting.

A control method for smart furniture includes a furniture body, a movable part, and a concealing part, a cavity for receiving the movable part being disposed on the furniture body, the concealing part part's deployed position for concealing the cavity and retracted position for exposing the cavity being provided on the furniture body, a first drive device and a second drive device being provided in the furniture body, inside the furniture body being further provided a sensor, a controller, and a receiving box, the controller being connected to the sensor and the receiving box; the control method is to control movements of the movable part and the concealing part based on the control instruction. The control method may realize position shift between the concealing part and the movable part to satisfy user needs, without interference arising during the switching process.