| 摘要 |
PURPOSE: A lead charger of a mechanical pencil is provided to injection-mold the same with synthetic resin to reduce production costs. CONSTITUTION: A lead charger(1) of a mechanical pencil is formed as follows. The lead charger is injection-molded with synthetic resin. A cap(2) and eraser(3) are strongly fixed to the top of the lead charger. The cap and eraser are offered elasticity by the lead charger made of the synthetic resin. The cap and eraser are not easily separated from the lead charger so the loss of the cap and eraser are prevented. |
