Patent ID: 7067752

Claim:
A seesaw button of a heater control unit, comprising: a guider having illumination holes that correspond to markings printed at the outer surface of a manipulation case with different colors, said guider being inserted into said manipulation case; a plurality of movable rods located at both sides of said guider to activate a contact switch of a substrate according to a manipulation of said manipulation case, said movable rods restoring said manipulation case to an original position thereof upon release of the manipulation; an accommodation housing that supports a middle portion of said guider coupled to said manipulation case, said accommodation housing including light inducing passages corresponding to said illumination holes and accommodating said movable rods; a plurality of prisms positioned at said light inducing passages that conduct light emitted from light sources of said substrate toward said markings of said manipulation case; a support wall that separates said manipulation case, said support wall coupled with said guider and said substrate; a plurality of lateral flanges and middle flanges provided at said support wall to partition prism accommodation holes, wherein said prism accommodation holes separately accommodate said prisms; and a plurality of guide holes protruding from said support wall toward said substrate to accommodate said movable rods that manipulate said contact switch of said substrate according to a teeter-totter movement of said manipulation case and said guider.