Portable knockdown scaffold construction

Claim 1

A PORTABLE EASY-TO-ERECT KNOCKDOWN SCAFFOLD STRUCTURE COMPRISING, IN COMBINATION, A STATIONARY VERTICAL STUD CONSTITUTING AT LEAST ONE OF THE STUDS IN THE FRAMEWORK OF A BUILDING, AN ELONGATED ANGLE IRON ADAPTED TO ASSUME A POSITION HORIZONTAL TO SAID STUD AND EMBODYING HORIZONTAL AND VERTICAL FLANGES, SAID VERTICAL FLANGE HAVING SELECTIVELY USABLE NAIL HOLES, SAID VERTICAL FLANGE BEING NAILED IN A PREDETERMINED USABLE POSITION AGAINST A COOPERATING VERTICAL SURFACE OF SAID STUD, SAID ANGLE IRON BEING OF A LENGTH APPRECIABLY GREATER THAN THE CROSSSECTION OF THE STUD AND HAVING ITS END PORTIONS EXTENDING WELL BEYOND DIAMETRICALLY OPPOSITE VERTICAL SURFACES OF SAID STUD, A HORIZONTAL RIGID SOCKET MEMBER, SAID SOCKET MEMBER BEING CIRCULAR IN CROSS-SECTION AND HAVING ONE END PORTION SEATED ON THE HORIZONTAL FLANGE OF THE ANGLE IRON AND A TERMINAL END ABUTTING, FIXED TO AND CLOSED BY THE VERTICAL FLANGE OF SAID ANGLE IRON, THE TRANSVERSE CROSSSECTION OF THE VERTICAL FLANGE BEING GREATER THAN THE CROSSSECTIONAL DIMENSION OF SAID SOCKET MEMBER, SAID SOCKET MEMBER BEING OF A LENGTH WHEREBY THE OPEN-ENDED SOCKET PORTION THEREOF PROJECTS WELL BEYOND THE LONGITUDINAL EDGE OF THE HORIZONTAL FLANGE OF SAID ANGLE IRON, SAID PROJECTING PORTION BEING PROVIDED WITH A SETSCREW, SAID ANGLE IRON BEING OF A LENGTH AT LEAST SEVERAL TIMES THE LENGTH OF SAID SOCKET MEMBER, AN ELONGATED RIGID PLANK-SUPPORTING MEMBER HAVING ONE END WHICH IS CIRCULAR IN CROSS-SECTION AND WHICH IS FITTED TELESCOPINGLY, ROTATIVELY AND REMOVABLY IN THE SOCKET PORTION OF SAID SOCKET MEMBER, THE OTHER END OF SAID SUPPORTING MEMBER BEING PROVIDED WITH AN INTEGRALLY JOINED RIGID COLLAR, SAID COLLAR BEING PROVIDED WITH A SETSCREW, A VERTICALLY ELONGATED TIMBER HAVING AN UPPER PORTION PASSING THROUGH AND BEYOND THE COLLAR AND PROJECTING ABOVE THE PLANE OF THE COLLAR AS WELL AS THE PLANE OF SAID SUPPORT MEMBER, AND PLANKS SUPPORTED ON SAID SUPPORT MEMBER BETWEEN THE PROJECTING UPPER END OF SAID LEG AND SAID SOCKET MEMBER.