Patent ID: 8414140
Filing Date: 2013-04-09
Classification: B43K

Abstract:
1. A writing instrument providing illumination, comprising a penholder, a pen core, a power source module, a rotating plate, and a solid state lighting source module, the pen core and the power source module arranged in the penholder and the rotating plate connected to one end of the penholder by a plate connector with the solid state lighting source module mounted on the rotating plate, wherein when the rotating plate is rotated to a first position, the solid state lighting source is turned on and when the rotating plate is rotate to a second position different from the first position the solid state lighting source is turned off, and wherein when the rotating plate is perpendicular to the penholder, the rotating plate is at the first position and the at least one second metal electrode of the rotating plate contacts the at least one first metal electrode of the plate connector, whereby the solid state lighting source module is turned on, and the two fasteners are received in the two recesses to hold the rotating plate at the first position.