Small-sized portable blackboard eraser and black sheet channel electric cleaner

摘要

(57) Abstract Objective It cleans the blackboard eraser, in addition is easily in the black sheet channelThe dust of the choke which it waited is removed simply. Constitution This cleaner to have incoming opening 1 in the Tip, the surfaceIt possesses the sleeve aspect 3 which drilled slit 2. In addition in edge strip sectionWith the manipulation of the lever 4 which is attached simply cutting exchanging of applicationObtaining is possible. It comes in contact with the filter 12 inside the dust case,It is the choke dust in revolution of the drum which possesses projection 13, the tsuThe te it rubs and drops, it recovers in the collect hollow 21 which is installed in the baseru.