Erection structure of reinforcing support bars in the open leg freely leg that was suspended from a plurality of struts

摘要

PURPOSE: To simplify a construction structure, and facilitate construction and release, that is, leg body erecting, bundling and housing operation by fixing a shaft installing part on one end to a single column, respectively clamping the other columns between openable-closable projecting tip parts of crossing shaft parts arranged in the other end parts, and constructing a link reinforcing frame having crossing shaft installing parts in an end part between the columns. ;CONSTITUTION: After respective columns 2 are erected by opening legs, the corresponding respective columns 2 are clamped between projecting tip parts 4 of respective crossing shaft installing parts 3 by these. A link reinforcing frame A can be constructed and fixed between the columns 2 by simple installing operation only by fastening it by a fastening fixing part 6 so as not to be bent and deformed from a divided superposed pivoted part 5. Since troublesome labor such as respecrively fastening and fixing a link plate between the respective columns 2 is eliminated and a structure is simple, excellent mass productivity is obtained. Since construction strength is strong, even if it is constructed on the intermediate or upper side of the columns 2, since sufficient leg opening erecting strength is obtained, a construction sash bar become entirely unnecessary in bottom parts of the columns 2, and handling becomes easy.;COPYRIGHT: (C)1996,JPO