Extensible Table Book, characterized essentially by two hinged boards, understand, articulated a conventional Frame.Under each of these panels with a Set consisting of a Telescopic parallelogram that rotates through a system of Pipes is fixed to a Board, and the other,Inside of which there is a rotating Shaft and a torsion Spring, to lift the Board acted to describe the whole Arc Telescopic covers half a Circle,To exist at the end of the telescoping Tubes, a leg Support, folding, which is articulated to the tubes themselves, by conventional means, with the Upper end of the leg FoldingA Pivot which widens upwards, forming a Mushroom Head, for this party to enter into a suitable Profile,That is precisely near the anterior end of the Folding Board.
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