Sughrue, Mion, Zinn, Macpeak and Seas
Shadow mask mount for color picture tube
 A plurality of spaced reinforcing plates 6 are provided around the periphery of a Hip Up configured shadow mask 2 and its support frame 3 in a color picture tube assembly to strengthen and stiffen the mounting arrangement and thereby reduce Z axis deviations of the mask due to thermal deformation and/or mechanical shock. 
Mitsubishi Denki Kabushiki Kaisha
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additional additional inventional
Hideya
Ito