Color tube having funnel shield attached to shadow mask frame

Claim 1

A color television picture tube including: a glass vacuum tube having a front screen portion with a peripheral flange extending therefrom, a conical portion having a neck portion extending from one end thereof and means for attaching the flange of said screen portion to the other end of siad conical portion; a beam source of electrons mounted in the neck portion of the tube to be deflected by means attached to the tube so that the electron beam scans the front screen portion; a ferromagnetic shielding funnel disposed within said conical portion; an apertured color mask mounted on a color mask frame positioned between said ferromagnetic shielding funnel and said display screen, said frame having an L-shaped cross section with one section extending transversely to the axis or said tube; means for attaching said frame to said peripheral flange for said front screen portion; and means for fastening said funnel to said frame to support same within said conical portion; said funnel being provided with a flange member extending transversely from the larger end thereof and including a plurality of openings, said transversely extending member having a portion, at the end thereof opposite the large end of said funnel, which extends in substantially the same direction as said funnel along the side of said frame; the transverse section of said frame being provided with a like plurality of openings aligned with the opening in the transverse portion of said flange member; and said fastening means comprises means for releasably fastening said funnel to said frame including a plurality of resilient clamps each engaging said funnel and said frame through an aligned pair of openings of said funnel and said frame.