Patent ID: 7624479

Claim:
A carrier board supporting device comprising: a body having a front portion and a rear portion, said front portion being formed with a constrained clamping and securing a carrier board, said rear portion being formed with a semi-circular open channel, an internally threaded hole being centrally and vertically formed in said semi-circular open channel; a force-application piece having a thickness smaller than width of said semi-circular open channel of said body, said force application piece having a central portion provided with and on a side opposite said recessed space having a force-application face that opposes a steel cable, said force-application face having a concave notch that effects fitting and hooping of said steel cable and increases a hooping area of said force-application piece against said steel cable to thereby enhance hooping stress, said force-application piece having upper and lower ends respectively forming slanting lead-in faces which lead in and correctly position said steel cable when said steel cable is fit through said force-application piece; wherein said slanting lead-in face of the upper end slanting downward to said concave notch and said slanting lead-in face of the lower end slanting upward to said concave notch; and a threaded fastening element tightened to said internally threaded hole via said force-application piece with said threaded fastening element accommodated in said recessed space of said force-application piece.