Patent ID: 7517167

Claim:
A writing instrument with a sheet material dispenser comprising: a barrel portion having an exterior grip surface and defining an interior barrel portion cavity; a marking element coupled to a first end of the barrel portion; and a sheet-dispensing portion including a dispensing plug coupled to a second end of the barrel portion, the dispensing plug including a sheet chamber, a stack of sheet material arranged in a zig-zag configuration and disposed in the sheet chamber, a throat portion communicating with the sheet chamber, and a mouth portion through which an initial sheet of the stack of sheet material is adapted to protrude via the throat portion, the throat portion having an hourglass-shaped cross-section defined between a pair of opposing nubs disposed between the mouth portion and the sheet chamber, each nub having first and second angled surfaces disposed at acute angles relative to horizontal, the dispensing plug further defining an interior plug portion cavity; wherein the plug portion cavity communicates with the barrel portion cavity when the dispensing plug is coupled to the barrel portion to define an interior cavity adapted to receive an ink cartridge.