Shadow mask support frame for color cathode ray tube

A CRT, comprising:

• a panel;
• a fluorescent screen coated on the panel;
• a shadow mask which selectively allows an electron beam to pass therethrough and hit the fluorescent screen;
• a funnel coupled to a rear of the panel;
• a neck portion formed at a rear of the funnel;
• an electron gun positioned in the neck portion for emitting the electron beam;
• a deflection yoke for deflecting the electron beam surrounding an outside of the funnel;
• and
• a shadow mask support frame for supporting the shadow mask, comprising:
• a plurality of main frames;
• and
• a plurality of sub frames attached respectively to end portions of the plurality of main frames, wherein the plurality of sub frames each have end portions, support portions each extending linearly at an obtuse angle from an inner end of a respective one of the end portions, and a central portion extending between respective inner ends of the support portions at an obtuse angle with respect to the support portions.