| 20090169284 | STRUCTURE OF AUTOMATIC PENCIL - An automatic pencil includes a pencil tube unit, a pencil tip unit, a press cap and an eraser unit. The pencil tube unit includes an external tube member and a pencil refill tube member contained in the external tube member and having a clamping portion for clamping the pencil refill. The pencil tip unit is connected to the external tube member and includes a retainer connected to the clamping portion in the pencil refill tube member and a pencil refill guide tube situated at a conical tip of the conical body and connected to the retainer to guide the pencil refill. The press cap is installed at the pencil refill tube member, and a protrusion is formed along its axis. The eraser unit includes an eraser and at least one spare eraser, both having a surface and a concave hole for connecting the protrusion of the press cap. | 07-02-2009 |
