ES1019683U - An automatic draft. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

A draft automatic, comprising: an envelope cylindrical having a front end closed with a hole in its center and a rear end open, which encloses a motor with a drive shaft extending through said hole and a battery one end connected to said motor, and in its uptown includes a switch with means for electrically connecting said battery to said motor; an interim cap having one of their tight ends detachably at said forward end of said surround cilíndrica by threads, and includes a suction port on its underside, a channel passing through its central axis, a slot its upper side and a slider that slides along said slot; enclosing said ferrule intermediate a rotator cuff fixedly connected to the motor shaft, pump centrifuge aspiración connected to said rotator cuff, and a collector cilíndrico dust equipped with a cylindrical wall of wire mesh covering said suction pump for collecting dust and gifted a channel central surrounding said rotator cuff; prior to taper bushes or front of their tight is extreme detachably at another end of said intermediate cap and anima or axial bore passing through its central axis; a barrita portabarrita holding a rubber and bound in such rotator cuff va; portabarrita told by passing of such said bore former member conico and cooperating with said slider for urging said portabarrita regarding forward cilíndrica said housing so that said barrita rubber project beyond said earlier cap; a top back in tight removably said rear end open wide parallel through this thread and containing a printed circuit board contact pueta said battery; and which, when diho motor is on ppor said switch, said rotary sleeve rotates for simultaneously performed obliterating marks ink or pencil and dust extraction into said dust through the rotation of such barrita of rubber and said suction pump. (Machine-translation by Google Translate, not legally binding)