Abstract: A frame and an inserted board mounted on the frame is related. The frame includes a circumferential frame edge, a frame receiver corresponding to the shape of the board and a circumferential frame support edge supporting an edge of the board, the supporting edge extending in the direction toward the interior of the frame. The board includes a circumferential edge, a spring-elastically pivotable blocking member situated at at least two oppositely situated portions of the circumferential edge of the board, each blocking member projecting beneath a portion of the frame edge, and an adjustable operating element associated with each blocking member.

Abstract: In order to be able to combine different types and sizes of tables with the help of as few as possible individual elements, it is proposed in connection with a table with a table top inserted into a frame that the frame consists of corner pieces each forming a corner frame, and of frame rails connecting two corner pieces each, where a removable table leg is associated with each corner piece, the table top is supported at least on one frame rail and the upper surface of the table top extends approximately flush with the top of the frame.