Folding portable data processing apparatus with three hinge points

A portable data processing apparatus, comprising:

• a base rested on a support surface, and having a front and a rear;
• a top cover pivotally connected to said base by a first hinge means;
• a display housing having a display, and pivotally connected to said top cover by a second hinge means;
• and
• a keyboard pivotally connected to said display housing by a third hinge means,
• wherein said first, second and third hinge means include respective hinge axes parallel to each other so that said apparatus can adopt a spread position in which said keyboard portion and said display housing portion are spread to the front with said third hinge means moved away from said first hinge means, and a retracted position in which said keyboard overlaps said display housing with said third hinge means moved close to said first hinge means.