Apparatus to clean blackboard erasers on which writes with chalk, and to keep them adequately (Machine-translation by Google Translate, not legally binding)

摘要

Apparatus for cleaning drafts slate on that writes with chalk and keep them properly, comprising a vertical ortoedrico body for size to erasers, a top cover abatible, a recess frontal vertical, a dust chalk, detachable, attached to the bottom base body and in the interior of this, a plurality of elements separation of dust chalk incorporated propeller horizontally mounted on the inner surface of the bottom face, against which the functional part fibrous apply erasers cleaned. Applicable to drafts of writing with chalk. (Machine-translation by Google Translate, not legally binding)