DEVICE FOR EXTRACTING COLOR-TUBE SCREEN MASK Russian patent published in 1995 - IPC

FIELD: electronic engineering. SUBSTANCE: screen with mask is mounted on device guides; stops are not engageable with end of screen which prevents chipping. Then handle is turned as far as it goes and mask is automatically extracted from screen. In the action, cams actuate levers through pushers and thereby mask spring are removed by means of stops from screen locks. First right- and left-hand springs are removed simultaneously and then spring located on larger side of mask is extracted. After that, cam actuates double-arm lever which lifts plate with mounts thereby lifting screen and the latter is removed from device for applying coating or performing any other operation. EFFECT: facilitated procedure. 4 dwg