Abstract: A display case includes at least two adjacent modules. Each of the modules includes an upper frame support and lower frame support. Each of the frame supports include carrying frame sections and corner connecting members. The carrying frame members are adapted to be rigidly connected to the corner connecting members. At least one intermodule connecting member interconnects adjacent modules. The at least one intermodule connecting member is adapted to be rigidly connected to the corner connecting members of the adjacent modules. The corner connecting members are formed as prisms and have grooves on vertical surfaces for engagement with protrusions contained on the carrying frame sections or the at least one intermodule connecting member.

Abstract: An object with a forward and subsequent lateral displacement of forward movable surfaces includes surfaces which travel forward and then laterally to overlap adjacent surfaces. The object may be a display box, case, furniture, or other object. The object includes mutually forward movable surfaces and at least one load-bearing frame. A part of the frame is a linear compact assembly, which is parallel with the plane of the forward movable surfaces. The linear compact assembly includes a principal structural section with a constant cross-section on its whole length. At least two identical action elements having a constant cross-section along their length are movably seated inside of the principal structural section in a seat. At least two identical forward movable bearing sections, having a constant cross-section along their whole length are firmly connected with forward movable surfaces.