Adjustable elbow for the evacuation of smoke (Machine-translation by Google Translate, not legally binding)

Elbow adjustable for smoke evacuation, having established by purpose between two sections of a smoke riding between the establishing angulation of any magnitude, essentially is defined by consist through functional combination of two fundamental pieces, of which one of them is a tubular piece of section chord with driving in which has implanted elbow, preferably square or rectangular, settling down in it, middle level, a cut that affects three of its side walls while on the side wall not affected by such court establishing a folding line, preferably two parallel relatively close, all so that one of the two portions of body tube is susceptible to adopt any angle relative to each other sector, while the second part, identical, set according to a trapezoid circular in which his height coincides with the ampl itudde sides lateral elbow affected by the said court, so such tabs remain closed these sides of the tubular body, any angulation of the two sectors thereof, as the point through the edge curve of such lugs solidarity front plate width a with matching face tubular body affected by the court intermendio, chapa which in turn is also closes face of elbow in any position angle of the two sectors of the tubular body. (Machine-translation by Google Translate, not legally binding) 1. CODO REGULABLE PARA LA EVACUACION DE HUMOS, QUE TENIENDO POR FINALIDAD ESTABLECERSE ENTRE DOS TRAMOS DE UNA CONDUCCION DE HUMOS, ENTRE LOS QUE SE ESTABLECE UNA ANGULACION DE CUALQUIER MAGNITUD, ESENCIALMENTE SE CARACTERIZA POR ESTAR CONSTITUIDO MEDIANTE LA COMBINACION FUNCIONAL DE DOS PIEZAS FUNDAMENTALES, DE LA QUE UNA DE ELLAS ES UNA PIEZA TUBULAR, DE SECCION ACORDE CON LA DE CONDUCCION EN LA QUE HA DE IMPLANTARSE EL CODO, PREFERENTEMENTE CUADRANGULAR O RECTANGULAR, ESTABLECIENDOSE EN ELLA, A NIVEL MEDIO, UN CORTE QUE AFECTA A TRES DE SUS PAREDES LATERALES, MIENTRAS QUE EN LA PARED LATERAL NO AFECTA POR DICHO CORTE, SE ESTABLECE UNA LINEA DE PLEGADO, PREFERENTEMENTE DOS PARALELAS Y RELATIVAMENTE PROXIMAS, TODO ELLO DE FORMA QUE UNO DE LOS DOS SECTORES DEL CUERPO TUBULAR ES SUSCEPTIBLE DE ADOPTAR CUALQUIER ANGULACION CON RESPECTO AL OTRO SECTOR, MIENTRAS QUE LA SEGUNDA PIEZA, IDENTICAS ENTRE SI, CONFIGURADAS SEGUN UN TRAPECIO CIRCULAR, EN EL QUE SU ALTURA ES COINCIDENTE CON LA AMPLITUDDE LAS CARAS LATERALES DEL CODO AFECTADAS POR EL CORTE CITADO, DE MANERA QUE TALES OREJETAS MANTIENEN CERRADAS ESTAS CARAS LATERALES DEL CUERPO TUBULAR, SEA CUAL FUERE LA ANGULACION DE LOS DOS SECTORE