Patent ID: 6405463
Filing Date: 2002-06-18
Classification: G09F

Abstract:
An illuminated display device comprisingan illuminated image sheet, comprising a plurality of series of image portions; a mask sheet having alternate opaque and transparent strips, the mask sheet being located in face-to-face relation to the image sheet; first and second roller means in a substantially parallel spaced-apart arrangement relative to the image sheet and the mask sheet, the first and second roller means being operatively associated with one of the image sheet and the mask sheet; and means to oscillatingly move the one of the image sheet and the mask sheet relative to the other of the image sheet and the mask sheet, the moving means including a drive means; a cam rotatably driven by the drive means; a cam follower lever associated with the cam; and a crank mechanism comprising a crank lever operatively associated with the first roller means and a linkage mechanism connecting the cam follower lever and the crank lever.