The present invention by configuring the sliding box system for tuning the torsional stress generated in accordance with the slope of the moving cylinder in the process of converting the reciprocating rotation to the casing by the linear reciprocating motion of the right and left moving cylinder according to the operating stability of the oscillator with improved operation capabilities to provide the casing of the oscillator so as to significantly extend the product service life, a hinge pin fixed to the hinge to secure the load center and the right and left moving cylinder in rotation boxes left and right, and moving; Upper and lower rotation guide pin which constitutes a hinge pin fixed at right angles with the direction provided in the rotary box is installed on both sides of the rotary box guides the upper and lower rotation of the center rod and the right and left moving cylinder; Twist to the sliding plate, it is inserted and installed in the rotation guide pin tuned to the torsional stress due to the slope of the load center and the left and right moving cylinders provided on both sides of the box and rotating; The twist sliding plate and the abutment is assembled and guided on a guide rail provided in the sliding box is characterized in that consisting of before, after sliding plate to guide before and after the rotary box including the twist sliding plate.
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