摘要 |
<p>Writing implement comprising an outer barrel having a split clamp front end, an inner tube containing a plurality of bullet-like presharpened pencil leads having a ring grooved structure for clamping, a cap screwably mounted in front of the outer barrel to tighten or release the clamp end for holding steady the lead for writing, or to free the lead to be drawn out when the tip is dulled, or pushed into the tube to facilitate carrying. The rear half of the tube may be modified to form a ball pen refill tip, and the rear half of the barrel in turn having a conioal shaped end to retain the ball pen tip. The inner tube may also be supported within the center aperture of arradial frame longitudinally disposed within the outer barrel, compartments being formed between radial elements of the frame serving as storage for spare leads.</p> |