Metal chair, portable, decomposable, perponible Su- accessories and replaceable structure.

摘要

Chair with metal structure, portable, decomposable, superimposable and with replaceable accessories, characterized by being constituted by two profiled flat elements, cast pressure of a light alloy, each of which inseparably inserts two sections of steel tube that constitute the legs and two sleeves with walls of slightly conical section, passing through corresponding holes of two other diecast elements, structurally equal to each other, rigidly coupled to the first by means of said sleeves folded around the inner edge of the pierced hole, the two being diecast elements coupled to the first ones provided, on the inner opposed side, with elongated longitudinal grooves in which protuberances of the same shape are delineated along the lateral edges of the seat and the backrest, all rigidly linked by means of an indeformable frame constituted by steel tubes, curved according to the lower profile of the seat and linked by crossbars also made of steel tube, welded or rebutted, the free end of the aforementioned frame being at all free ends, provided with conical expansion blocking devices, which are threaded in the axial holes of the sleeves and tightened by four screws that are screwed into the expanding cone of the locking devices, the leg carrying elements being provided with housings, gathered by fusion, in which latching organs are inserted, constituted by clamping pieces acting also by tension, of equal section to the resulting section of two of said accommodations, symmetrically opposed, belonging to two linked chairs. (Machine-translation by Google Translate, not legally binding)