Balkan arc perfected. (Machine-translation by Google Translate, not legally binding)

摘要

Improved balkan arch, characterized by being constituted by two lateral frames, which constitute the supports or support legs of the assembly on the floor, framing the bed, each of these frames being structured by means of a circular section element, in which a transverse and upper branch is defined in which a double clamp is provided, provided with a first bushing or cylindrical housing for coupling to said frame, with possibility of tilting with respect thereto, and a second housing or bushing of section in accordance with the of a transverse bar that relates to both frames, so that, prior to the tightening of the second bushing of the clamps, the distance between the end frames, or what is the same, the effective width of the balkan arch, is adjustable at will. That through the first bushing or clamp the side frames are foldable on the transverse bar, for folding the bow in inoperative situation. (Machine-translation by Google Translate, not legally binding)