| 摘要 |
A mechanical pencil reduced in the number of the component parts and facilitating the assembling work, comprising an outer cylinder, a replaceable lead cartridge, a tip member including a cushion member capable of contracting according to writing pressure that works on the lead so that the lead is retracted into the tip member when an excessive writing pressure works on the lead to prevent the breakage of the lead, and a lead feeding mechanism which is constructed within the tip member prior to the connection of the tip member to the outer cylinder. |
