Patent ID: 8336583
Filing Date: 2012-12-25
Classification: B43K,B43L

Abstract:
1. An instrument comprising: a barrel having a hollow channel, an open end and a closed end; a cartridge slidably movable in the hollow channel, the cartridge having a nib and in fluid communication with an ink reservoir; a first arm pivotably mounted to an outside of the barrel, the first arm capable of pivoting between a closed, capped position and an open, writing position; a cap attached to the first arm, the cap adapted to close the open end of the barrel when the first arm is in the closed, capped position; a first gear disposed in the hollow channel, the first gear being coupled to the first arm; and a sleeve disposed on the cartridge, the sleeve having teeth projecting from an outer surface of the sleeve, the teeth and the first gear cooperating to extend and retract the cartridge as the first arm is pivoted.