An adjustable and collapsible easel having a plurality inner and outer telescoping leg sections. The upper ends of the outer leg sections are connected to a common connecting member for articulated movement between fully spread and fully folded positions. The outer ends of a plurality of foldable brace...http://www.google.fr/patents/US4171116?utm_source=gb-gplus-shareBrevet US4171116 - Adjustable and collapsible easel
