Light emitting writing apparatus

Claim 1

A light emitting writing apparatus, including: a pen-holder being a hollow cylinder having an opening at its one end, a longitudinal groove on its inner wall surface, and a through-hole through its side-wall; a front socket having a hollow, conical structure comprising a connecting end fastening in the opening of said pen-holder; a cylinder received in said pen-holder to slide along said groove and comprising a raised strip having two conductive leaves disconnectedly mounted thereon; a button slider being received in said pen-holder and having a raised portion set to protrude beyond the through-hole of said pen-holder and a conductive plate on its bottom alternatively pressing on the two conductive leaves of said cylinder, said button slider being pushed to slide in the through-hole of said pen-holder so as to connect or disconnect said two conductive leaves; a dry battery received in said cylinder; a holder plate received in said pen-holder and comprising a plurality of through-holes for the positioning therein of a plurality of writing elements, and a recess hole having two wire holes penetrating therethrough; a lamp bulb set in the recess hole of said holder plate with its two conductors respectively received in the two wire holes of said recess; two connecting members respectively inserted in the two wire holes of said recess to connect to the two conductors of said lamp bulb; wherein one of said connecting members is connected with the positive end of said dry battery and the other connecting member is connected with one of said two conductive leaves while the other conductive leaf is connected with the negative end of said dry battery; and wherein the moving of said button slider in the through-hole of said pen-holder controls the connection of the negative end of said battery to its positive end through said lamp bulb so as to turn on said lamp bulb to produce light.