Head with 5 regulation positions and complete folding characterized in that it consists of some anchorages to the legs of the stretcher (3) and adjacent support for connection and reinforcement (4) on the inside and bottom of the stretcher through screws made of steel, the head has a nylon toothed piece (5) with 5 necklines or teeth and these sit on a round anchor tube (11) attached to the stretcher insert horizontally, the toothed piece (5) offers 5 regulation positions to the head, being the regulation element of the stretcher by means of its 5 necklines or teeth. (Machine-translation by Google Translate, not legally binding)
