JP6833794B2 - 出没式多芯筆記具 - Google Patents
出没式多芯筆記具 Download PDFInfo
- Publication number
- JP6833794B2 JP6833794B2 JP2018224448A JP2018224448A JP6833794B2 JP 6833794 B2 JP6833794 B2 JP 6833794B2 JP 2018224448 A JP2018224448 A JP 2018224448A JP 2018224448 A JP2018224448 A JP 2018224448A JP 6833794 B2 JP6833794 B2 JP 6833794B2
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- JP
- Japan
- Prior art keywords
- grip
- core
- peripheral surface
- writing tool
- inner peripheral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000002093 peripheral effect Effects 0.000 claims description 39
- 239000013013 elastic material Substances 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 7
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 240000007594 Oryza sativa Species 0.000 claims 1
- 206010061217 Infestation Diseases 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 241000209094 Oryza Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Images
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
2 … … 芯体
11 … … 筒体上部
12 … … 握り部
13 … … 口先部
14 … … 先端開口部
15 … … ノック部
16 … … パッキング部
21 … … 突起部
22 … … 芯体上端開口部
121 … … 握り部上部
122 … … 握り部中間部
123 … … 握り部下部
X … … 筒体の軸線
Y … … 芯体の軸線
Claims (5)
- 内部に弾性素材の芯体を複数収納した筒体と、選択した一の該芯体を該筒体より出没せしめる機構とを備えた出没式多芯筆記具であって、前記芯体の外周面には前記筒体の内周面方向へ突出する突起部を設け、前記筒体の握り部において、握り部上部は握り部下部よりも太く、且つ、握り部上部から握り部下部にかけて握り部中間部の内径が漸次縮径するように形成されており、前記筒体から出現させるために芯体を下方に移動させると、前記突起部は、漸次縮径する握り部中間部の内周面に当接しながら下方へ移動するとともに、握り部中間部の内周面から押されて軸心方向へ移動し、使用時には握り部下部の内周面に当接し、更に、握り部下部の途中には、握り部下部を上下に分割するパッキング部を設けたことを特徴とする出没式多芯筆記具。
- ノック部材と芯体との結合部において、芯体の軸回転防止手段を設けたことを特徴とする請求項1に記載の出没式多芯筆記具。
- 握り部の内周面に突起部の動きをガイドする溝部を設けたことを特徴とする請求項1または2に記載の出没式多芯筆記具。
- 前記握り部上部と前記握り部下部は、それらの横断面形状が互いに異なる形状に形成されていることを特徴とする請求項1ないし3のいずれか1項に記載の出没式多芯筆記具。
- 前記握り部上部は円形、前記握り部下部はおむすび形にそれぞれの横断面形状が形成されている請求項4に記載の出没式多芯筆記具。
Priority Applications (1)
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JP2018224448A JP6833794B2 (ja) | 2018-11-30 | 2018-11-30 | 出没式多芯筆記具 |
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JP2018224448A JP6833794B2 (ja) | 2018-11-30 | 2018-11-30 | 出没式多芯筆記具 |
Publications (2)
Publication Number | Publication Date |
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JP2020082638A JP2020082638A (ja) | 2020-06-04 |
JP6833794B2 true JP6833794B2 (ja) | 2021-02-24 |
Family
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Family Applications (1)
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JP2018224448A Active JP6833794B2 (ja) | 2018-11-30 | 2018-11-30 | 出没式多芯筆記具 |
Country Status (1)
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JP (1) | JP6833794B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114312104A (zh) * | 2021-12-21 | 2022-04-12 | 得力集团有限公司 | 一种中性笔 |
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2018
- 2018-11-30 JP JP2018224448A patent/JP6833794B2/ja active Active
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JP2020082638A (ja) | 2020-06-04 |
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