Patent ID: 7619879

Claim:
A computer comprising: a lid portion; a base portion; a dual-swivel hinge interconnecting said lid portion and said base portion, said hinge comprising: a first portion which is rotationally fixed with respect to said lid portion; and a second portion which is rotationally fixed with respect to said base portion; said first portion being rotationally displaceable with respect to said second portion between a first orientation and a second orientation about a central axis of said hinge, the first and second orientations differing in rotational position with respect to the central axis; a marking arrangement comprising: a rotationally displaceable arrow ring comprising a single flange having disposed thereon a first marking associated with the first orientation; and a second marking associated with the second orientation; said single flange being selectively displaced to avail said first marking while said first portion is in the first orientation and avail said second marking while said first portion is in the second position.