| 发明名称 |
Resilient writing nib with offset flattened portion |
| 摘要 |
A writing instrument having a needle-like longitudinal writing nib, longitudinally slidably positioned in a nib holder pipe. The writing nib has flex portions and/or a flattened portion, for facilitating a longitudinal movement thereof when a writing pressure is added.
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| 申请公布号 |
US4626120(A) |
申请公布日期 |
1986.12.02 |
| 申请号 |
US19840653785 |
申请日期 |
1984.09.24 |
| 申请人 |
PENTEL KABUSHIKI KAISHA |
发明人 |
FUKUI, HISHAO;SHINOHARA, YUTAKA;TAMURA, TAKASHI |
| 分类号 |
B43K8/18;(IPC1-7):B43K1/10;B43K1/06;B43K8/00 |
主分类号 |
B43K8/18 |
| 代理机构 |
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代理人 |
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| 主权项 |
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