1. Device for coupling profiles, characterized in that it comprises attachment means made of a locking pin and an enclosure rod applied in profile and a locking mechanism connected to the shaft and provided with a threaded extension at receiving a screw that acts directly on said stem, abutting during mating with a entalldura having that state adapted screw end for placing on the profile pressing on said recess of the rod with a tendency to introduce it into the interior to make tightening. 2. The above device, wherein the locking mechanism is included in the envelope spindle housing, applying the assembly into the hollow interior profile joined. 3. The above device, wherein the shell housing has a longitudinal guide hole or other rod and orthogonally to it a cavity housing the locking mechanism, and in that the mechanism consists of a box with a guide in correspondence to the box envelope and a threaded extension orthogonally to the guide or longitudinal cavity thereof. 4. The above device, wherein the locking mechanism housing receives a screw end wedge and outer cuff as a polygonal cavity disposed to receive a key type ALLEN. 5. The above device, characterized in that the cut rod is setup as an inclined plane, on which acts the screw, which has a longitudinal clamping force tending to introduce the stem into the connection box to act extreme wedge thereof in the recess of the stem. 6. Device for coupling profiles.
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