Patent ID: 7926968
Filing Date: 2011-04-19
Classification: B43K,G03B,Y10S

Abstract:
1. A dual mode luminous ball pen comprising: a pen shaft; a transparent tip portion disposed on a proximal end of the pen shaft, wherein the tip portion is rotatably operated; a refill operated with a nib being advanced forward through the tip portion to retain a writing position; a switch portion disposed inside the pen shaft and connected to the tip portion for rotating a sleeve; a lamp comprising at least a cell, a first light emitting diode (LED), and a second light emitting diode (LED), being rotated together by the sleeve to supply/cut-off a power supplied by the cell to the LEDs; a control portion disposed on the switch portion to turn on one of the first and second LEDs; and a button depressed into the pen shaft to rotate the control portion.