Progressive display card

Abstract

This invention relates to a novelty item which may be used as an active greeting card or a promotional advertising display device. The card itself contains a number of display leafs which are progressively “turned” by pulling a pull tab in the card base. The pages may have a “pop-up” action device mounted between each pair of leafs to give a 3-D effect as the leafs are progressively turned.

1 . A display device in the form of a book, having a base, a cover, a set of leaves mounted between said base and said cover, 
 a pull strip being mounted in a sliding relationship in a recess within said base,    said pull strip being attached to said cover and said leaves by a foldable member such that when: 
 said pull strip being manipulated to slide from a “home” position to an “ultimate” position to cause said foldable member to progressively fold and successively turn over the cover and the set of leaves as in a book.  
   
     
     
         2 . A display device as claimed in  claim 1  wherein said pull strip is provided with means to maintain the pull strip within said recess in said base during actuation.  
     
     
         3 . A display device as claimed in  claim 2  wherein said foldable member is provided with a tongue for attachment to one end of said pull strip.  
     
     
         4 . A display device as claimed in  claim 3  wherein a foldable “pop up” element is mounted between adjacent leaves to unfold and refold during a leaf turning operation.  
     
     
         5 . An active display device comprising, a flat base member, a cover, a set of leaves stacked between said cover and base, a pull strip and a foldable key strip member; 
 said flat base having access means for said pull strip and providing therein for slidably receiving and said pull strip therein,    said key strip member being attached to said base member at a first end thereof and to said pull strip at the second end of said key strip, said key strip member having a series of spaced score lines of predetermined number extending across said key strip member near the second end thereof,    said leaves of said pit being successively attached to said key strip at areas between said score lines so as to form a stacked set of leaves extending between said base member and cover,    one end of said key strip being movable with said pull strip to cause the key strip to progressively bend at each score line of the key strip to cause each of said leaves to progressively turn from a rest position to a position 180° rotated therefrom as the pull strip is pulled from a “home” position to its “ultimate” extending position.    
     
     
         6 . An active display device as claimed in  claim 5  where said sliding member is provided with means to maintain the slider within said recess during actuation.  
     
     
         7 . An active display device as claimed in  claim 6  wherein said base is formed of a robust material and is very resistant to bending, and said cover and said leaves are made of cardboard of such thickness as to resist bending.  
     
     
         8 . An active display device as claimed in  claim 7  wherein a foldable “pop up” element is mounted between adjacent leaves to unfold and “pop up” and subsequently refold during a leaf turning operation.