String tensioning screw for musical instrument - screws into bush with internal thread fitted in instrument bridge

摘要

The musical instrument has the rear end of each string attached to a tension adjusting screw (6). Each screw (6) engages an internally threaded bush (3) which is glued in a hole formed in a wooden bridge (4) which is fixed to the instrument body. The screw has a central axial hole to receive the string (1), which then passes through an inclined radial hole to the underside of the head of the screw (6).The latter is provided with a screwdriver slot to enable its adjustment. USE/ADVANTAGE - For guitars etc.,with easy assembly unaffected by vibrations.