Patent ID: 6930444

Claim:
A color selection apparatus for a cathode ray tube, comprising: a tension mask including a plurality of electron beam passage apertures; and a frame including a pair of support members provided along opposite sides of said tension mask and applying a tensile force to said mask, and a pair of elastic members extending from one support member to the other at ends of said support members, said elastic members maintaining a predetermined distance between said support members, with each of said elastic members being hollow and longitudinally enclosing the hollow portion, and including a base being substantially parallel to said tension mask, extensions formed substantially perpendicular to said base at both ends of said base, and bending portions integrally formed between said base and said extensions, and with reinforcing elements being formed in proximity to said bending portions, with said reinforcing elements including grooves of a certain depth formed on a surface of the enclosed said elastic members with the grooves including side walls and a bottom wall.