Patent ID: 7821780

Claim:
A portable computer arrangement that includes a clamshell case containing a four component system, comprising: a keyboard portion having a keyboard and other computer hardware; a standard screen portion that is pivotally connected to said keyboard portion so as to pivot away from said keyboard portion and to pivot to cover said keyboard portion; a presentation screen portion that is pivotally connected to said standard screen portion so as to pivot away from a back of said standard screen portion and to pivot to cover said back of said standard screen portion; and a cover portion that is pivotally connected to said presentation screen portion so as to pivot away from said presentation screen portion and to pivot to cover said presentation screen portion; wherein said cover portion also pivots with respect to said presentation portion to a position wherein a part of said cover portion is in contact with a bottom surface of said keyboard portion; and said part of said cover portion and said bottom surface of said keyboard portion have complimentary shapes for keeping said part of said cover portion and said bottom surface of said keyboard portion from sliding with respect to one another when in contact.