Patent ID: 7611302

Claim:
An apparatus comprising: a pair of profiled elements; a pair of inserts, each insert adhesively secured within one of said profiled elements, each insert having a pair of parallel plates shaped to substantially mirror one another, each plate having a contoured end with a pair of protruding lugs and a concavity between said lugs, said pair of lugs extending away from one another at about a right angle to form a substantially V-shape; a pair of identical anchoring units, each anchoring unit having a pair of substantially triangular plates held parallel to one another by a set of three perpendicular stems, said stems fastened between respective pairs of vertices of said triangular plates, each set of stems having an inner stem and two outer stems, each inner stem having a male threaded member extending perpendicularly therefrom; a tension member having two opposite ends, each opposite end having an opening therein, each of said openings receiving one of said male threaded members to operate as a turnbuckle therewith; wherein tightening of said tension member onto said male threaded members draws said anchoring units towards one another clamping said protruding lugs between said outer stems of said anchoring units and fixing said two profiled elements to extend away from each other at a substantially right angle.