Light-emitting pen with a light reflecting chamber

Details Light-emitting pen with a light reflecting chamber Light-emitting pen with a light reflecting chamber

B - Operations, Transporting

43

K

B43K 29/10 (2006.01) F21V 33/00 (2006.01)

Patent

CA 2455767

A writing implement having a built-in illumination system and a light reflecting chamber includes a transparent cone of front pen tube accommodating an ink cartridge, a hollow cylindrical barrel surrounded by a light reflecting tube, a middle ring housing the light-emitting body and an annular light reflecting plate, a power chamber, and so on. When light switches on, part of the light passes straightly and directly toward the cone of front pen tube to light up the surface to be written on, simultaneously, another part of the light is reflected at the surface of the annular light reflecting plate and the polished mirror-like inner wall surface of the light reflecting tube and is propagated toward the cone of front pen tube. As a result, the emitted light portion hidden by the ink cartridge is indirectly covered back, a more even illumination result achieved, and a shadow made by the ink cartridge is reduced or eliminated.

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