Several points of the writing instrument comprising a mechanical pencil

摘要

P the present invention relates to an instrument with a plurality of writing tips containing a mechanical pencil and a ball-point pen. / p & & p & it comprises a body 10 formed by an upper part 17 and a lower part 18 being mutually turn, a guide element 11 carrying side by side, a mechanical pencil 12 and a pen - ball 13, and a winding cam 14 integral with the part 17 and making it possible, by relative rotation of the parts 17 and 18, a longitudinal movement of one or other of the rod 12 and 13 of the pen. A push button - 15 located above the body 10, which projects towards the bottom of a pusher eccentric 16 serving to supply leads of the mechanical pencil and which, in the retracted position, is at - the top of the pen, and, in the extended position of the rod, is placed at the - the top of that -. & / p & & p & the writing instrument of the invention, for the simplicity of its structure, allows to a relatively low cost. / p